CN114869423A - Painful branch of academic or vocational study puncture injection needle pipe support with dismouting and locking function - Google Patents

Abstract

The invention relates to the technical field of medical instruments, in particular to a puncture injection needle tube rack with dismounting and locking functions for a pain department. Including disposable needle tubing, injection needle frame and locking Assembly, disposable needle tubing is including the syringe needle, the pencil, fixed spacing dish, rubber piston and rubber seal, the injection needle frame is including the sleeve, press the cover, depression bar and screw thread socket joint, still including quick detach subassembly, quick detach subassembly is including first spacing shelves dish, first supplementary separation is broken off with the fingers and thumb and is buckled, the supplementary separation of second is broken off with the fingers and thumb and is buckled, the screw thread socket joint is overhead to be offered and supplies first supplementary separation to break off with the fingers and thumb and detain vertical first vertical slip fluting of buckling, vertical being equipped with on the sleeve supplies the supplementary separation of second to break off with the fingers and thumb and detain sliding connection's the vertical slip fluting of third, the bottom of depression bar is equipped with the touch down that is used for contradicting rubber piston and presses the seat. This application has improved and has executed needle operation comfort level, can realize the quick dismantlement function of disposable needle tubing, improves work efficiency, reduces the safety risk.

Description

Painful branch of academic or vocational study puncture injection needle pipe support with dismouting and locking function

Technical Field

The invention relates to the technical field of medical instruments, in particular to a puncture injection needle tube rack with dismounting and locking functions for a pain department.

Background

Minimally invasive techniques used in the pain department are mainly used for treating herniated disc, and include collagenase, incision suction, discoscope (PED), PLDD, ozone, IDET, radiofrequency, ion knife, and the like. In order to better cooperate with the treatment of the patient and the doctor, the patient needs to be anesthetized during the minimally invasive surgery, so that the patient can relieve the pain and a good surgical condition is created for the doctor.

Generally, the anesthesia is performed by matching a disposable needle head and a needle tube, most of the prior art adopts a mode that the needle head is fast inserted and connected with the needle tube through a clamping groove in a clamping manner, however, the needle head is easy to shake in the process of being inserted into the skin of a patient in the mode, so that bubbles enter the interior of the needle tube through the joint of the needle head and the needle tube, and serious consequences can be caused, as shown in figures 1 and 4, the prior art also comprises thedisposable needle tube 1 arranged on aninjection needle frame 2, thedisposable needle tube 1 comprises theneedle head 1a, amedicine tube 1b, a fixed limitingdisc 1c, arubber piston 1d and arubber seal 1e, the fixed limitingdisc 1c is fixedly arranged on one side of theneedle head 1a close to themedicine tube 1b, the fixed limitingdisc 1c and theneedle head 1a are coaxially arranged, therubber piston 1d is arranged at the top end in themedicine tube 1b, therubber seal 1e is arranged at the bottom end in themedicine tube 1b,injection needle frame 2 is includingsleeve 2a,press cover 2b,depression bar 2c andthread bush joint 2d, the vertical setting ofsleeve 2a,press cover 2b to set up onsleeve 2 a's top,depression bar 2c slides and sets up on pressingcover 2b,thread bush joint 2d fixed mounting is insleeve 2a bottom,pencil 1b sets up insleeve 2a, fixedspacing dish 1c sets up betweenthread bush joint 2d andsleeve 2a,locking Assembly 3 is including installing thecompaction thread bush 3a inthread bush joint 2d department.

Although theneedle head 1a is inserted into themedicine tube 1b in the same inserting manner, the stability of theneedle head 1a is greatly improved through the matching of the limitingdisc 1c and the compacted threadedsleeve 3a, theneedle head 1a can be conveniently applied by a doctor by theinjection needle frame 2, the working efficiency and the injection accuracy are improved, but theneedle head 1a is not easily pulled out of themedicine tube 1b after thedisposable needle tube 1 is used, when an anaesthetist removes the connection between theneedle head 1a and themedicine tube 1b, thehandheld needle head 1a needs to be pulled out or the fixed limitingdisc 1c needs to be manually held and pulled out, the operation manner is easy to cause hand release due to sliding, and if the end part of theneedle head 1a which is used by injection is carelessly inserted into the hand of the anaesthetist, a great potential safety hazard can be caused.

Therefore, there is a need for a puncture needle holder with detachable and locking functions for pain department, which solves the above problems.

Disclosure of Invention

In view of the above, there is a need to provide a puncture needle holder for a pain department with a detachable and locking function.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

the invention provides a painful department puncture injection needle tube frame with dismounting and locking functions, which comprises a disposable needle tube, an injection needle frame and a locking assembly, wherein the disposable needle tube comprises a needle head, a medicine tube, a fixed limit disc, a rubber piston and a rubber seal, the injection needle frame comprises a sleeve, a pressing rod and a threaded sleeve joint, the locking assembly comprises a compaction threaded sleeve, the outer side wall of the threaded sleeve joint is provided with external threads, the inner side wall of the compaction threaded sleeve is provided with internal threads matched with the external threads in a threaded manner, the bottom of the inner side of the compaction threaded sleeve is also provided with a limit mounting groove for mounting and fixing the limit disc, the injection needle frame also comprises a quick-release assembly, the quick-release assembly comprises a first limit baffle disc, a first auxiliary separation break buckle, a second limit baffle disc and a second auxiliary separation break buckle, the outer diameter of the first limit baffle disc is larger than the inner diameter of the threaded sleeve joint, the first auxiliary separation break buckle is horizontally arranged on the threaded sleeve joint, the first auxiliary separating snapping buckle is fixedly connected with a first limiting baffle disc, the first auxiliary separating snapping buckle and the threaded sleeve joint are arranged in a sliding manner along the axis direction of the threaded sleeve joint, the first auxiliary separating snapping buckle is in transmission connection with the first limiting baffle disc, one end of the first auxiliary separating snapping buckle is arranged in the threaded sleeve joint, the other end of the first auxiliary separating snapping buckle horizontally extends to the outer side of the threaded sleeve joint, a first vertical sliding slot for the first auxiliary separating snapping buckle to vertically slide is formed in the threaded sleeve joint, the first vertical sliding slot is vertically arranged on the threaded sleeve joint from bottom to top, the thickness of the first vertical sliding slot is consistent with that of the threaded sleeve joint, the second limiting baffle disc is horizontally arranged at the bottom end in the sleeve, the outer diameter of the second limiting baffle disc is consistent with that of the sleeve, the second auxiliary separating snapping buckle is vertically arranged on the sleeve in a sliding manner, and the second auxiliary separating snapping buckle is in transmission connection with the second limiting baffle disc, the sleeve is vertically provided with a third vertical sliding groove for the second auxiliary separation buckling sliding connection, and the bottom end of the pressing rod is provided with a contact pressing seat for abutting against the rubber piston.

Preferably, the quick detach subassembly is still including first connecting plate, the vertical setting of first connecting plate, the top of first connecting plate is broken off with the first supplementary separation and is detained the one end fixed connection who is close to the screw thread socket joint, the bottom and the first spacing shelves dish top lateral wall fixed connection of first connecting plate, the inside wall of first connecting plate is the arc setting, the radian of the inside wall of first connecting plate is unanimous with the radian of telescopic inside wall, first spacing shelves dish center department is equipped with the first through hole of dodging that supplies the syringe needle top to pass.

Preferably, the quick release assembly further comprises a second connecting plate, the second connecting plate is vertically arranged between a second limiting stop disc and a second auxiliary separation buckle, the top end of the second connecting plate and the second auxiliary separation buckle are close to one end of the sleeve, the bottom end of the second connecting plate is fixedly connected with the outer side wall of the second limiting stop disc, a second vertical sliding groove for vertical sliding of the second connecting plate is vertically formed in the inner side wall of the threaded sleeve joint, the second vertical sliding groove is communicated from top to bottom, the thickness of the second vertical sliding groove is smaller than that of the threaded sleeve joint, the thickness of the second connecting plate is consistent with that of the second vertical sliding groove, the inside of the second connecting plate is arc-shaped, the radian of the inner wall of the second connecting plate is consistent with that of the inner diameter of the sleeve, and a second through avoiding hole for the top end of the needle to penetrate is formed in the center of the second limiting stop disc.

Preferably, the locking assembly further comprises a first hinge means mounted on the sleeve and the compacted threaded sleeve, the sleeve and the compacted threaded sleeve being removably connected by the first hinge means.

Preferably, first articulated mounting is including first articulated seat, the articulated seat of second, the go-between, first articulated rod and first slip spacing groove, the go-between cover is established on compaction threaded sleeve's lateral wall, be equipped with on compaction threaded sleeve's the lateral wall and supply the go-between to rotate the outer wall annular mounting groove that the cover was established, first articulated seat fixed mounting is on the lateral wall of sleeve lower half, the articulated seat fixed mounting of second is on the lateral wall of outer wall annular mounting groove, the top of first articulated rod is articulated with the articulated end of first articulated seat, the lower half of first articulated rod is equipped with first slip spacing groove along the length direction of first articulated rod, the lower half of first articulated rod is articulated with the articulated seat of second through first slip spacing groove.

Preferably, the locking assembly further comprises a second hinge device and a clamping device, the second hinge device is arranged on the sleeve and the pressing sleeve, and the clamping device is arranged on one side, away from the second hinge device, of the sleeve and the pressing sleeve.

Preferably, the second hinge device comprises a third hinge seat, a fourth hinge seat, a second hinge rod and a second sliding limiting groove, the third hinge seat is fixedly mounted on the outer side wall of the pressing sleeve, the fourth hinge seat is fixedly mounted on the outer side wall of the top end of the sleeve, the top end of the second hinge rod is hinged to the hinge end of the third hinge seat, the lower half portion of the second hinge rod is provided with the second sliding limiting groove along the length direction of the second hinge rod, and the lower half portion of the second hinge rod is hinged to the fourth hinge seat through the second sliding limiting groove.

Preferably, the clamping device comprises a clamping hook and a clamping seat, the clamping hook is hinged to the outer side wall of the pressing sleeve, the clamping seat is located below the clamping hook, the clamping seat is fixedly installed on the outer side wall of the top end of the sleeve, and the sleeve and the pressing sleeve are clamped through the clamping hook and the clamping seat.

Preferably, be equipped with the first fixed finger ring of two vertical settings on the telescopic lateral wall, first fixed finger ring and telescopic lateral wall fixed connection, first fixed finger ring is located telescopic middle part, and two first fixed finger ring set up along telescopic vertical central plane symmetry, and the top fixed mounting of depression bar has the fixed finger ring of the second of vertical setting.

Preferably, the inner diameter of the pressing sleeve is consistent with the outer diameter of the pressing rod, a vertical limiting strip is vertically arranged on the inner wall of the pressing sleeve, and a vertical limiting groove in sliding fit with the vertical limiting strip is further arranged on the outer side wall of the pressing rod.

Compared with the prior art, the beneficial effect of this application is:

1. in rotatory process, the inside fixed spacing dish of constantly contradicting of compaction thread sleeve pipe, make it constantly rise, and then drive and fixed spacing dish fixed connection's syringe needle synchronous rising, after compaction thread sleeve pipe installation targets in place, the top of syringe needle just inserts in the rubber closure that is located the pencil bottom, thereby realize the installation of disposable needle tubing, in the use, fixed spacing dish is fixed at the inside position of compaction thread sleeve pipe and screw thread socket joint, thereby guarantee that the syringe needle can not take place to rock, prevent that the bubble from getting into the pencil through the junction that syringe needle and rubber sealed when pricking from inside causing danger.

2. By arranging the quick-release assembly, an anaesthetist can quickly pull out the needle head from the medicine tube without contacting the needle head or fixing the limit disc when separating, after the connection between the compacted threaded sleeve and the threaded sleeve joint is released, an operator can manually buckle the first auxiliary separation buckle to move downwards, the first auxiliary separation buckle extrudes the fixed limit disc and drives the fixed limit disc to synchronously move downwards, the fixed limit disc drives the needle head to be separated from the medicine tube when moving because the medicine tube is arranged in the sleeve, namely the top end of the needle head is pulled out from the rubber seal, meanwhile, the operator can also buckle the second auxiliary separation buckle to move upwards, so as to drive the second limit baffle disc which is in transmission connection with the second auxiliary separation buckle to synchronously move upwards, and move the second limit baffle disc upwards in the sleeve, so that the medicine tube separated from the needle head is upwards pushed out to separate the medicine tube from the sleeve, the disposable needle tube can be stably installed in the injection needle frame to realize the injection function, the quick disassembly function of the disposable needle tube can be realized, the working efficiency is improved, and the safety risk is reduced.

3. The arrangement directions of the first auxiliary separation breaking buckle and the second auxiliary separation breaking buckle are mutually vertical in the horizontal direction, and the first auxiliary separation breaking buckle and the second auxiliary separation breaking buckle are convenient for an operator to simultaneously buckle the first auxiliary separation breaking buckle and the second auxiliary separation breaking buckle, so that the needle head and the medicine tube can be quickly separated and can be quickly separated from the injection needle frame.

4. Realize breaking off the fixed connection who detains with the fingers and thumb to first spacing shelves dish and first supplementary separation through the first connecting plate of vertical setting for first supplementary separation is broken off with the fingers and thumb and is detained and can drive first spacing shelves dish and go up and down in screw thread socket joint inside in step through first connecting plate when the motion, simultaneously, because the inside wall radian of first connecting plate is unanimous with telescopic inner wall radian, thereby guaranteed that the spacing shelves of second dish can locate vertical slip at first connecting plate, thereby guarantee that the spacing shelves of second dish can move to the position of laminating with first spacing shelves dish top.

5. Through the articulated seat of third, articulated seat of fourth and second hinge bar can realize sleeve and press between the cover articulated, when sleeve and pressure cover tight laminating, the articulated position of the articulated seat of fourth and second hinge bar is located the top of the slip spacing groove of second, carry out the joint with the sleeve and the other end of pressing the cover through latch fitting this moment, thereby lock sleeve and pressure cover, extract the sleeve downwards, will press the cover again to rotate certain angle around the articulated position of the articulated seat of second hinge bar and fourth hinge bar this moment, open telescopic upper end, thereby realized sleeve and pressure cover between locking function and the quick detach function.

6. Can realize compaction threaded sleeve's free rotation function through outer wall annular mounting groove and the cooperation of first articulated arm, because compaction threaded sleeve can descend gradually when dismantling the rotation from threaded sleeve, interference can be avoided to first slip spacing groove, when compaction threaded sleeve pull down the back completely, need break away from syringe needle and fixed spacing dish with the inside pencil of sleeve completely, consequently compaction threaded sleeve continues to descend the certain distance, make the top of syringe needle break away from threaded sleeve completely, take out the syringe needle from compaction threaded sleeve intraductally after the articulated certain angle of department of round second articulated seat and first articulated arm with compaction threaded sleeve this moment again, realized keeping compaction threaded sleeve and telescopic relation of being connected throughout.

Drawings

FIG. 1 is a schematic perspective view of the embodiment;

FIG. 2 is a front view of the embodiment;

FIG. 3 is a half sectional view of the embodiment;

FIG. 4 is a perspective view of a disposable needle cannula according to an embodiment;

FIG. 5 is a half-sectional view of a disposable needle cannula of an embodiment;

FIG. 6 is a partial perspective view of the first embodiment;

FIG. 7 is a schematic perspective view of a quick release assembly according to an exemplary embodiment;

FIG. 8 is a perspective view of the locking assembly of the embodiment;

FIG. 9 is a perspective view of a compacted threaded sleeve and a threaded socket of an embodiment;

FIG. 10 is a second perspective view of the embodiment;

fig. 11 is a schematic perspective view of the press sleeve and the press rod according to the embodiment.

The reference numbers in the figures are:

1-disposable needle tube; 2-syringe rack; 3-a locking assembly; 4-a quick release assembly; 1 a-a needle head; 1 b-a medicine tube; 1 c-fixing a limiting disc; 1 d-rubber piston; 1 e-sealing with rubber; 2 a-a sleeve; 2a 1-a third vertical sliding slot; 2a2 — first fixed fingerring; 2 b-pressing sleeve; 2b 1-vertical stop bar; 2 c-a compression bar; 2c 1-abutting the lower press seat; 2c 2-second fixed fingerring; 2c 3-vertical restraint slot; 2 d-a threaded socket joint; 2d 1-external thread; 2d2 — first vertical sliding slot; 2d3 — second vertical sliding slot; 3 a-compacting the threaded bushing; 3a 1-internal thread; 3a 2-limit mounting groove; 3a 3-outer wall annular mounting groove; 3 b-a first hinge means; 3b 1-first articulated seat; 3b 2-second hinge mount; 3b 3-connecting ring; 3b 4-first hinge lever; 3b 5-first sliding limiting groove; 3 c-a snap-fit device; 3c 1-snap hook; 3c 2-snap seat; 3 d-a second hinge; 3d 1-third hinge mount; 3d 2-fourth articulated seat; 3d3 — second hinge lever; 3d 4-second sliding limiting groove; 4 a-a first limit stop disc; 4a 1-first through relief hole; 4 b-first auxiliary separation snapping; 4 c-a second limit gear disc; 4c 1-second through-going avoidance hole; 4 d-second auxiliary separation snapping; 4 e-a first connection plate; 4 f-second connecting plate.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1-11:

a pain department puncture injection needle tube rack with dismounting and locking functions comprises adisposable needle tube 1, aninjection needle frame 2 and alocking component 3, wherein thedisposable needle tube 1 comprises aneedle head 1a, amedicine tube 1b, a fixed limitingdisc 1c, arubber piston 1d and arubber seal 1e, theinjection needle frame 2 comprises asleeve 2a, apressing sleeve 2b, apressing rod 2c and a threadedsleeve joint 2d, thelocking component 3 comprises a compaction threadedsleeve 3a, an external thread 2d1 is arranged on the outer side wall of the threadedsleeve joint 2d, an internal thread 3a1 in threaded fit with the external thread 2d1 is arranged on the inner side wall of the compaction threadedsleeve 3a, a limiting mounting groove 3a2 for mounting and fixing the limitingdisc 1c is further arranged at the bottom of the inner side of the compaction threadedsleeve 3a, the quick-dismounting component 4 also comprises a quickdismounting component 4, thequick dismounting component 4 comprises a first limitingdisc 4a, a firstauxiliary separation buckle 4b, a second auxiliary separation buckle and a second auxiliary separation buckle, A secondlimit baffle disc 4c and a secondauxiliary separation buckle 4d, wherein the outer diameter of the firstlimit baffle disc 4a is larger than the inner diameter of the threadedsleeve joint 2d, the firstauxiliary separation buckle 4b is horizontally arranged on the threadedsleeve joint 2d, the firstauxiliary separation buckle 4b is fixedly connected with the firstlimit baffle disc 4a, the firstauxiliary separation buckle 4b and the threadedsleeve joint 2d are arranged in a sliding manner along the axial direction of the threadedsleeve joint 2d, the firstauxiliary separation buckle 4b is in transmission connection with the firstlimit baffle disc 4a, one end of the firstauxiliary separation buckle 4b is arranged in the threadedsleeve joint 2d, the other end of the firstauxiliary separation buckle 4b extends horizontally to the outer side of the threadedsleeve joint 2d, the threadedsleeve joint 2d is provided with a first vertical sliding slot 2d2 for the firstauxiliary separation buckle 4b to vertically slide, and the first vertical sliding slot 2d2 is vertically arranged on the threadedsleeve joint 2d from bottom to top, the grooving thickness of first vertical slip fluting 2d2 is unanimous with the thickness of screwthread socket joint 2d, the inside bottom ofsleeve 2a is set up to the level of secondspacing shelves dish 4c, the external diameter of secondspacing shelves dish 4c is unanimous with the external diameter ofsleeve 2a, the vertical slip setting of detaining 4d is broken off with the fingers and thumb to the supplementary separation of second onsleeve 2a, the supplementary separation of second is broken off with the fingers and thumb and is detained 4d and the transmission of thespacing shelves dish 4c of second and is connected, the vertical third vertical slip fluting 2a1 that supplies the supplementary separation of second to break off with the fingers and detain 4d sliding connection onsleeve 2a, the bottom ofdepression bar 2c is equipped with the conflict lower pressure seat 2c1 that is used forconflict rubber piston 1 d.

Based on the above embodiment, the problem of how to realize the quick installation of thedisposable needle tube 1 inside theinjection needle frame 2 and the stable insertion of the end of theneedle head 1a into themedicine tube 1b is solved, when the present application is used, themedicine tube 1b is installed inside thesleeve 2a, theneedle head 1a is placed inside the compacted threadedsleeve 3a, the fixed limitingdisc 1c is stably installed inside the compacted threadedsleeve 3a, so that theneedle head 1a, the compacted threadedsleeve 3a and the fixed limitingdisc 1c are coaxially arranged, the compacted threadedsleeve 3a is rotatably installed on the threadedsocket head 2d, during the rotation process, the interior of the compacted threadedsleeve 3a continuously abuts against the fixed limitingdisc 1c to enable the fixed limiting disc to continuously ascend, and further theneedle head 1a fixedly connected with the fixed limitingdisc 1c is driven to ascend synchronously, after the compacted threadedsleeve 3a is installed in place, the top end of theneedle head 1a is just inserted into therubber 1e at the bottom end of themedicine tube 1b, thereby realizedisposable needle tubing 1's installation, in the use, fixedspacing dish 1c is fixed at compaction threadedsleeve 3a and the inside position of screwthread socket joint 2d to guarantee that the syringe needle can not take place to rock, prevent that the bubble from getting into the inside danger that causes of medicine pipe 1b throughsyringe needle 1a and the junction that rubber sealed 1e when pricking.

In the prior art, when an anaesthetist removes the connection between theneedle head 1a and themedicine tube 1b, the hand-heldneedle head 1a needs to be pulled out outwards or the fixed limitingdisc 1c needs to be manually held and pulled outwards, the operation mode is very easy to cause the hand drop because of sliding, if the end part of theneedle head 1a used for injection is carelessly inserted into the hand of the anaesthetist, a great potential safety hazard is caused, the application solves the problem that how to realize the quick disassembly of thedisposable needle tube 1 from theinjection needle frame 2 after the injection is finished and avoid the dangerous operation that the anaesthetist pulls theneedle head 1a out of themedicine tube 1b through the hand-heldneedle head 1a, the anaesthetist can quickly pull theneedle head 1a out of themedicine tube 1b without contacting theneedle head 1a or the fixed limitingdisc 1c when the anaesthetist separates by arranging thequick disassembly component 4, after the connection between the compaction threadedsleeve 3a and the threadedsleeve 2d is removed, an operator can manually buckle the firstauxiliary separation buckle 4b to move downwards, the firstauxiliary separation buckle 4b extrudes the fixed limitingdisc 1c and drives the fixed limiting disc to move downwards synchronously, the fixed limitingdisc 1c drives theneedle head 1a to be separated from themedicine tube 1b when moving due to the fact that themedicine tube 1b is installed in thesleeve 2a, namely, the top end of theneedle head 1a is pulled out of therubber seal 1e, meanwhile, the operator can also buckle the secondauxiliary separation buckle 4d to move upwards, so that the second limitingbaffle disc 4c in transmission connection with the secondauxiliary separation buckle 4d is driven to move upwards synchronously, the second limitingbaffle disc 4c moves upwards in thesleeve 2a, and themedicine tube 1b separated from theneedle head 1a is pushed upwards, so that themedicine tube 1b is separated from thesleeve 2a, and that thedisposable needle tube 1 can be stably installed in theinjection needle frame 2 to realize the injection function, and the quick disassembly function of thedisposable needle tube 1 can be realized, the working efficiency is improved, and the safety risk is reduced.

It is worth mentioning that the first vertical sliding slot 2d2 can ensure that the first auxiliary separating and snappingpiece 4b can freely lift on the threadedsleeve joint 2d, the outer diameter of the first auxiliary separating and snappingpiece 4b in the present application is smaller than the inner diameter of the external thread 2d1, so as to ensure that the first auxiliary separating and snappingpiece 4b does not affect the threaded connection relationship between the compacted threadedsleeve 3a and the threadedsleeve joint 2d, the third vertical sliding slot 2a1 can ensure that the second auxiliary separating and snappingpiece 4d can realize the lifting function on thesleeve 2a, the third vertical sliding slot 2a1 in the present application limits the maximum upper and lower displacement of the second auxiliary separating and snappingpiece 4d, and ensures that the second auxiliary separating and snappingpiece 4d is always located in thesleeve 2a, and when guaranteeing that second spacing shelves dish 4c displacement to the lower extreme, the bottom of secondspacing shelves dish 4c and the top of firstspacing shelves dish 4a can closely laminate the setting.

It should be mentioned that, the setting directions of the first auxiliary separation snap-off 4b and the second auxiliary separation snap-off 4d in the application are mutually perpendicular in the horizontal direction, and this design is convenient for an operator to simultaneously snap the first auxiliary separation snap-off 4b and the second auxiliary separation snap-off 4d, so that theneedle head 1a and themedicine tube 1b can be quickly separated and can be quickly separated from theinjection needle frame 2.

Further:

quick detach subassembly 4 is still including first connectingplate 4e, the vertical setting of first connectingplate 4e, the top of first connectingplate 4e is broken off with the first supplementary separation and is detained 4b and be close to the one end fixed connection of screw socketjoint head 2d, the bottom and the firstspacing shelves dish 4a top lateral wall fixed connection of first connectingplate 4e, the inside wall of first connectingplate 4e is the arc setting, the radian of the inside wall of first connectingplate 4e is unanimous with the radian of the inside wall ofsleeve 2a, firstspacing shelves dish 4a center department is equipped with the first through thatsupplies syringe needle 1a top to pass and dodgeshole 4a 1.

Based on the above embodiment, the problem of how to realize fixed connection under the gliding prerequisite of secondspacing shelves dish 4c with first supplementary separation is broken with fingers and thumb to firstspacing shelves dish 4a and first supplementary separation and is broken 4b off with fingers and thumb is solved, first connectingplate 4e through vertical setting realizes breaking with fingers and thumb the fixed connection of buckling 4b to firstspacing shelves dish 4a and first supplementary separation, make first supplementary separation break with fingers and thumb to buckle 4b and can drive firstspacing shelves dish 4a and go up and down inside the screwthread socket joint 2d in step when the motion through first connectingplate 4e, and simultaneously, because the inside wall radian of first connectingplate 4e is unanimous with the inner wall radian ofsleeve 2a, thereby guaranteed that secondspacing shelves dish 4c can locate vertical slip at first connectingplate 4e, thereby guarantee that secondspacing shelves dish 4c can move to the position with the laminating of firstspacing shelves dish 4a top.

Further:

thequick release component 4 further comprises a second connectingplate 4f, the second connectingplate 4f is vertically arranged between a second limitingbaffle disc 4c and a second auxiliary separating and snapping 4d, the top end of the second connectingplate 4f is fixedly connected with one end, close to thesleeve 2a, of the second auxiliary separating and snapping 4d, the bottom end of the second connectingplate 4f is fixedly connected with the outer side wall of the second limitingbaffle disc 4c, a second vertical sliding slot 2d3 for the second connectingplate 4f to vertically slide is also vertically formed in the inner side wall of the threadedsleeve joint 2d, the second vertical sliding slot 2d3 penetrates from top to bottom, the thickness of the second vertical sliding slot 2d3 is smaller than that of the threadedsleeve joint 2d, the thickness of the second connectingplate 4f is consistent with that of the second vertical sliding slot 2d3, the inside of the second connectingplate 4f is arranged in an arc shape, and the radian of the inner wall of the second connectingplate 4f is consistent with the inner diameter of thesleeve 2a, a second through avoiding hole 4c1 for the top end of theneedle 1a to pass through is opened at the center of the second limitingblock disc 4 c.

Based on the above embodiment, the connection problem between the secondlimit baffle disc 4c and the secondauxiliary separation snapping 4d is solved, the secondlimit baffle disc 4c and the second auxiliary separating and snapping 4d are fixedly connected through a second connectingplate 4f which is vertically arranged, so that the second auxiliary separatingsnap 4d can drive the second limitingbaffle disc 4c to synchronously lift up and down inside thesleeve 2a and the threadedsocket joint 2d through the second connectingplate 4f during movement, the second vertical sliding slot 2d3 can ensure that the second connectingplate 4f extends into the threadedsocket joint 2d and connects the second limitingbaffle disc 4c displaced below the threadedsocket joint 2d, the second vertical sliding slot 2d3 has guiding and limiting functions for the displacement of the second connectingplate 4f, meanwhile, the secondlimit stop disc 4c can be ensured not to interfere with the firstlimit stop disc 4a in the movement process.

It is worth mentioning that the first through avoiding hole 4a1 that runs through that sets up on the firstspacing shelves dish 4a and the second through avoiding hole 4c1 that sets up on the secondspacing shelves dish 4c can supply thesyringe needle 1a top to pass, makesyringe needle 1a can be smooth pass first spacingshelves dish 4a and thespacing shelves dish 4c of second until inserting in therubber seals 1e, first through avoiding hole 4a1 and the second runs through avoiding hole 4c1 simultaneously and can also guarantee thatsyringe needle 1a can not take place to rock in the use, the stability ofdisposable needle tubing 1 after installing ininjection needle frame 2 has further been improved, the inside possibility of pouring into the bubble ofmedicine pipe 1b has further been reduced.

Further:

the lockingassembly 3 further comprises a first articulation means 3b, the first articulation means 3b being mounted on thesleeve 2a and on the compacted threadedsleeve 3a, thesleeve 2a and the compacted threadedsleeve 3a being removably connected by the first articulation means 3 b.

Thefirst hinge device 3b comprises a first hinge seat 3b1 and a second hinge seat 3b2, the connecting ring 3b3, the first hinge rod 3b4 and the first sliding limiting groove 3b5, the connecting ring 3b3 is sleeved on the outer side wall of the compaction threadedsleeve 3a, the outer side wall of the compaction threadedsleeve 3a is provided with an outer wall annular mounting groove 3a3 for the connecting ring 3b3 to rotatably sleeve, the first hinge seat 3b1 is fixedly mounted on the outer side wall of the lower half part of thesleeve 2a, the second hinge seat 3b2 is fixedly mounted on the outer side wall of the outer wall annular mounting groove 3a3, the top end of the first hinge rod 3b4 is hinged to the hinge end of the first hinge seat 3b1, the lower half part of the first hinge rod 3b4 is provided with the first sliding limiting groove 3b5 along the length direction of the first hinge rod 3b4, and the lower half part of the first hinge rod 3b4 is hinged to the second hinge seat 3b2 through the first sliding limitinggroove 3b 5.

Based on the above embodiment, the problem of how to lower the connection between the compaction threadedsleeve 3a and thesleeve 2a without affecting the rotation function of the compaction threadedsleeve 3a is solved, the free rotation function of the compaction threadedsleeve 3a can be realized by the cooperation of the outer wall annular installation groove 3a3 and the first hinge rod 3b4, because the compaction threadedsleeve 3a gradually descends when being disassembled from and rotated on the threadedsocket 2d, the first sliding limiting groove 3b5 can avoid interference, after the compaction threadedsleeve 3a is completely disassembled, theneedle 1a and the fixed limitingdisc 1c need to be completely separated from themedicine tube 1b inside thesleeve 2a, so the compaction threadedsleeve 3a continues descending for a certain distance, so that the top end of theneedle 1a is completely separated from the threadedsocket 2d, at this time, the compaction threadedsleeve 3a is rotated for a certain angle around the hinge joint of the second hinge seat 3b2 and the first hinge rod 3b4, and then theneedle 1a is taken out from the compaction threadedsleeve 3a, it is achieved that the connection of the compacted threadedsleeve 3a to thesleeve 2a is always maintained.

Further:

the lockingassembly 3 further comprises asecond hinge device 3d and aclamping device 3c, thesecond hinge device 3d is installed on thesleeve 2a and thepressing sleeve 2b, and theclamping device 3c is installed on one side, far away from thesecond hinge device 3d, of thesleeve 2a and thepressing sleeve 2 b.

Thesecond hinge device 3d comprises a third hinge seat 3d1, a fourth hinge seat 3d2, a second hinge rod 3d3 and a second sliding limiting groove 3d4, the third hinge seat 3d1 is fixedly mounted on the outer side wall of thepressing sleeve 2b, the fourth hinge seat 3d2 is fixedly mounted on the outer side wall of the top end of thesleeve 2a, the top end of the second hinge rod 3d3 is hinged to the hinge end of the third hinge seat 3d1, the lower half portion of the second hinge rod 3d3 is provided with a second sliding limiting groove 3d4 along the length direction of the second hinge rod 3d3, and the lower half portion of the second hinge rod 3d3 is hinged to the fourth hinge seat 3d2 through a second sliding limitinggroove 3d 4.

Clampingdevice 3c is including joint hook 3c1 and joint seat 3c2, and joint hook 3c1 articulates to be installed on pressing the lateral wall ofcover 2b, and joint seat 3c2 is located the below of joint hook 3c1, and joint seat 3c2 fixed mounting is on the top lateral wall ofsleeve 2a, andsleeve 2a andpressure cover 2b pass through joint hook 3c1 and joint seat 3c2 joint.

Based on the above embodiment, the problem of how to realize connection and quick release between the sleeve 2a and the pressing sleeve 2b is solved, the sleeve 2a and the pressing sleeve 2b can be hinged through the third hinge seat 3d1, the fourth hinge seat 3d2 and the second hinge rod 3d3, when the sleeve 2a and the pressing sleeve 2b are tightly attached, the hinge position of the fourth hinge seat 3d2 and the second hinge rod 3d3 is located at the uppermost position of the second sliding limiting groove 3d4, at this time, the other ends of the sleeve 2a and the pressing sleeve 2b are clamped through the clamping device 3c, so that the sleeve 2a and the pressing sleeve 2b are locked, a locking function is realized, when the medicine tube 1b installed in the sleeve 2a needs to be taken out, the clamping device 3c is firstly unlocked, the clamping seat 3c2 is rotated, so that the clamping device is separated from the clamping state of the clamping hook 3c1, the sleeve 2a can be further taken out downwards, and at this time, the pressing sleeve 2b is rotated around the first hinge seat 3d2 5 of the second hinge rod 3d 2d 38736 and the fourth hinge seat 3d 38736 to rotate the sleeve 2b And (3) fixing an angle, and opening the upper end of the sleeve 2a, so that the quick-release function between the sleeve 2a and the pressing sleeve 2b is realized.

Further:

be equipped with the first fixed dactylotheca ring 2a2 of two vertical settings on the lateral wall ofsleeve 2a, first fixed dactylotheca ring 2a2 andsleeve 2 a's lateral wall fixed connection, first fixed dactylotheca ring 2a2 is locatedsleeve 2 a's middle part, and two first fixed dactylotheca rings 2a2 set up alongsleeve 2 a's vertical central plane symmetry, and the top fixed mounting ofdepression bar 2c has the fixed dactylotheca ring 2c2 of vertical setting.

Based on the above embodiment, when the anesthesiologist uses the syringe, the index finger and the middle finger can be inserted into the two first fixed finger rings 2a2 arranged on the outer side wall of thesleeve 2a, the first fixed finger ring 2a2 can assist the anesthesiologist to grasp thesyringe needle holder 2, and then the second fixed finger ring 2c2 is inserted through the thumb, so as to press thepressure lever 2c conveniently.

Further:

the inner diameter of thepressing sleeve 2b is consistent with the outer diameter of thepressing rod 2c, a vertical limiting strip 2b1 is vertically arranged on the inner wall of thepressing sleeve 2b, and a vertical limiting groove 2c3 in sliding fit with the vertical limiting strip 2b1 is further arranged on the outer side wall of thepressing rod 2 c.

Based on above-mentioned embodiment, through vertical spacing strip 2b1 and vertical spacing groove 2c3 cooperation, guaranteed thedepression bar 2c stable lift onpressing cover 2b, guarantee thatdepression bar 2c can not take place to rock and skew in the lift in-process to comfort level when improving doctor's injection operation.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A puncture injection needle tube rack with dismounting and locking functions for a pain department comprises a disposable needle tube (1), an injection needle frame (2) and a locking assembly (3), wherein the disposable needle tube (1) comprises a needle head (1 a), a medicine tube (1 b), a fixed limiting disc (1 c), a rubber piston (1 d) and a rubber seal (1 e), the injection needle frame (2) comprises a sleeve (2 a), a pressing sleeve (2 b), a pressing rod (2 c) and a threaded sleeve joint (2 d), the locking assembly (3) comprises a compaction threaded sleeve (3 a), an external thread (2 d 1) is arranged on the outer side wall of the threaded sleeve joint (2 d), an internal thread (3 a 1) in threaded fit with the external thread (2 d 1) is arranged on the inner side wall of the compaction threaded sleeve (3 a), a limiting installation groove (3 a 2) for installing and fixing the limiting disc (1 c) is further arranged at the bottom of the inner side of the compaction threaded sleeve (3 a), the quick release component (4) comprises a first limiting baffle disc (4 a), a first auxiliary separating and snapping buckle (4 b), a second limiting baffle disc (4 c) and a second auxiliary separating and snapping buckle (4 d), wherein the outer diameter of the first limiting baffle disc (4 a) is larger than the inner diameter of the threaded sleeve joint (2 d), the first auxiliary separating and snapping buckle (4 b) is horizontally arranged on the threaded sleeve joint (2 d), the first auxiliary separating and snapping buckle (4 b) is fixedly connected with the first limiting baffle disc (4 a), the first auxiliary separating and snapping buckle (4 b) and the threaded sleeve joint (2 d) are arranged in a sliding manner along the axial direction of the threaded sleeve joint (2 d), the first auxiliary separating and snapping buckle (4 b) is in transmission connection with the first limiting baffle disc (4 a), one end of the first auxiliary separating and snapping buckle (4 b) is arranged in the threaded sleeve joint (2 d), the other end of the first auxiliary separating and snapping buckle (4 b) horizontally extends to the outer side of the thread sleeve joint (2 d), a first vertical sliding groove (2 d 2) for the first auxiliary separating and snapping buckle (4 b) to vertically slide is formed in the thread sleeve joint (2 d), the first vertical sliding groove (2 d 2) is vertically formed in the thread sleeve joint (2 d) from bottom to top, the groove thickness of the first vertical sliding groove (2 d 2) is consistent with the thickness of the thread sleeve joint (2 d), the second limiting blocking disc (4 c) is horizontally arranged at the bottom end inside the sleeve (2 a), the outer diameter of the second limiting blocking disc (4 c) is consistent with the outer diameter of the sleeve (2 a), the second auxiliary separating and snapping buckle (4 d) is vertically slidably arranged on the sleeve (2 a), the second auxiliary separating and snapping buckle (4 d) is in transmission connection with the second limiting blocking disc (4 c), and a third sliding groove (24 a) 1a for the second auxiliary separating and snapping buckle (4 b) to vertically slide is vertically arranged on the sleeve (2 a) to be connected with the thread sleeve (2 a) in a sliding manner, and the sliding connection ) The bottom end of the pressure lever (2 c) is provided with a contact lower pressure seat (2 c 1) which is used for abutting against the rubber piston (1 d).

2. The puncture needle tube rack with the functions of disassembly, assembly and locking for the pain department according to claim 1, characterized in that the quick-release assembly (4) further comprises a first connecting plate (4 e), the first connecting plate (4 e) is vertically arranged, the top end of the first connecting plate (4 e) is fixedly connected with one end of the first auxiliary separation snapping buckle (4 b) close to the threaded sleeve joint (2 d), the bottom end of the first connecting plate (4 e) is fixedly connected with the outer side wall of the top end of the first limiting baffle disc (4 a), the inner side wall of the first connecting plate (4 e) is arranged in an arc shape, the radian of the inner side wall of the first connecting plate (4 e) is consistent with that of the inner side wall of the sleeve (2 a), and the center of the first limiting baffle disc (4 a) is provided with a first through avoiding hole (4 a 1) for the top end of the needle head (1 a) to pass through.

3. The puncture needle tube rack with the functions of disassembly, assembly and locking for the pain department according to claim 2, characterized in that the quick-release component (4) further comprises a second connecting plate (4 f), the second connecting plate (4 f) is vertically arranged between the second limiting blocking disk (4 c) and the second auxiliary separating blocking buckle (4 d), the top end of the second connecting plate (4 f) is fixedly connected with one end of the second auxiliary separating buckle (4 d) close to the sleeve (2 a), the bottom end of the second connecting plate (4 f) is fixedly connected with the outer side wall of the second limiting blocking disk (4 c), the inner side wall of the thread coupling head (2 d) is also vertically provided with a second vertical sliding slot (2 d 3) for the second connecting plate (4 f) to vertically slide, the second vertical sliding slot (2 d 3) is through from top to bottom, the thickness of the second vertical sliding slot (2 d 3) is smaller than the thickness of the thread coupling head (2 d), the thickness of second connecting plate (4 f) is unanimous with the thickness of the vertical slip fluting of second (2 d 3), and the inside of second connecting plate (4 f) is the arc setting, and the inner wall radian of second connecting plate (4 f) is unanimous with the internal diameter radian of sleeve (2 a), and the center department of second spacing shelves dish (4 c) is seted up and is supplied second that syringe needle (1 a) top passed to run through dodge hole (4 c 1).

4. A painful department's puncture needle holder with functions of disassembling and locking according to claim 1, characterized in that the locking assembly (3) further comprises a first hinge means (3 b), the first hinge means (3 b) is installed on the sleeve (2 a) and the compacted threaded sleeve (3 a), and the sleeve (2 a) and the compacted threaded sleeve (3 a) are detachably connected through the first hinge means (3 b).

5. The puncture needle holder for the nociceptive department with the functions of detachment and locking as claimed in claim 4, wherein the first hinge device (3 b) comprises a first hinge seat (3 b 1), a second hinge seat (3 b 2), a connecting ring (3 b 3), a first hinge rod (3 b 4) and a first sliding limiting groove (3 b 5), the connecting ring (3 b 3) is sleeved on the outer side wall of the compacted threaded sleeve (3 a), an outer wall annular mounting groove (3 a 3) for the connecting ring (3 b 3) to rotatably sleeve is arranged on the outer side wall of the compacted threaded sleeve (3 a), the first hinge seat (3 b 1) is fixedly mounted on the outer side wall of the lower half part of the sleeve (2 a), the second hinge seat (3 b 2) is fixedly mounted on the outer side wall annular mounting groove (3 a 3), the top end of the first hinge rod (3 b 4) is hinged with the hinge end of the first hinge seat (3 b 1), the lower half part of the first hinge rod (3 b 4) is provided with a first sliding limiting groove (3 b 5) along the length direction of the first hinge rod (3 b 4), and the lower half part of the first hinge rod (3 b 4) is hinged with the second hinge seat (3 b 2) through the first sliding limiting groove (3 b 5).

6. The puncture needle holder for the pain department with the functions of disassembly and assembly and locking as claimed in claim 1, wherein the locking assembly (3) further comprises a second hinge device (3 d) and a clamping device (3 c), the second hinge device (3 d) is installed on the sleeve (2 a) and the pressing sleeve (2 b), and the clamping device (3 c) is installed on one side of the sleeve (2 a) and the pressing sleeve (2 b) far away from the second hinge device (3 d).

7. The puncture needle holder with the functions of disassembly, assembly and locking for the pain department according to claim 6, the hinge device is characterized in that the second hinge device (3 d) comprises a third hinge seat (3 d 1), a fourth hinge seat (3 d 2), a second hinge rod (3 d 3) and a second sliding limiting groove (3 d 4), the third hinge seat (3 d 1) is fixedly mounted on the outer side wall of the pressing sleeve (2 b), the fourth hinge seat (3 d 2) is fixedly mounted on the outer side wall of the top end of the sleeve (2 a), the top end of the second hinge rod (3 d 3) is hinged to the hinge end of the third hinge seat (3 d 1), a second sliding limiting groove (3 d 4) is arranged on the lower hinge half portion of the second hinge rod (3 d 3) along the length direction of the second hinge rod (3 d 3), and the lower half portion of the second hinge rod (3 d 3) is hinged to the fourth hinge seat (3 d 2) through the second sliding limiting groove (3 d 4).

8. The puncture needle holder for the pain department with the functions of disassembly, assembly and locking as claimed in claim 7, wherein the clamping device (3 c) comprises a clamping hook (3 c 1) and a clamping seat (3 c 2), the clamping hook (3 c 1) is hinged to the outer side wall of the pressing sleeve (2 b), the clamping seat (3 c 2) is located below the clamping hook (3 c 1), the clamping seat (3 c 2) is fixedly installed on the outer side wall of the top end of the sleeve (2 a), and the sleeve (2 a) and the pressing sleeve (2 b) are clamped through the clamping hook (3 c 1) and the clamping seat (3 c 2).

9. The nociceptive puncture needle holder with the functions of detachment and locking of claim 1, which is characterized in that two vertically arranged first fixed finger rings (2 a 2) are arranged on the outer side wall of the sleeve (2 a), the first fixed finger rings (2 a 2) are fixedly connected with the outer side wall of the sleeve (2 a), the first fixed finger rings (2 a 2) are arranged in the middle of the sleeve (2 a), the two first fixed finger rings (2 a 2) are symmetrically arranged along the vertical central plane of the sleeve (2 a), and the top end of the pressure lever (2 c) is fixedly provided with a vertically arranged second fixed finger ring (2 c 2).

10. The puncture needle rack with the functions of disassembly, assembly and locking for the department of pain department of claim 1, characterized in that, the internal diameter of the pressing sleeve (2 b) is consistent with the external diameter of the pressure lever (2 c), the inner wall of the pressing sleeve (2 b) is vertically provided with a vertical limit strip (2 b 1), the outer side wall of the pressure lever (2 c) is further provided with a vertical limit groove (2 c 3) which is in sliding fit with the vertical limit strip (2 b 1).

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