CN114209391A - Thrombus removing device with telescopic function - Google Patents

Abstract

The invention provides a thrombus removing device with a telescopic function, which comprises a coil pipe, wherein one end of the coil pipe is provided with a first guide pipe, the other end of the coil pipe is provided with a second guide pipe, the surface of the outer wall of the second guide pipe is annularly provided with a through hole, the top end of the second guide pipe is rotatably connected with a top cap, a pressure plate is arranged in the inner cavity of the second guide pipe close to the top end, four groups of telescopic assemblies are annularly arranged at the bottom of the pressure plate, the middle part of the inner cavity of the second guide pipe is provided with an air bag, the bottom end of the air bag is fixedly provided with a top plate, and the bottom surface of the top plate is provided with a threaded ejector rod through a bearing. But also is convenient for the postoperative rehabilitation of the patient.

Description

Thrombus removing device with telescopic function

Technical Field

The invention relates to the technical field of medical equipment, in particular to a thrombus removal device with a telescopic function.

Background

Thrombi are small patches of blood flow that form on the surface of a denuded or repaired site within a blood vessel of the cardiovascular system. In the variable fluid-dependent type, thrombi are composed of insoluble fibrin, deposited platelets, accumulated leukocytes and entrapped erythrocytes.

When the existing thrombus removing device is used, the blood vessel is mostly cut by adopting an operation, and then the thrombus is removed, so that the operation difficulty of medical personnel is increased, the patient is not favorable for rehabilitation, and the use of the patient is inconvenient.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a thrombus removal device with a telescopic function, which comprises a coil pipe, wherein a first guide pipe is arranged at one end of the coil pipe, a second guide pipe is arranged at the other end of the coil pipe, a through hole is annularly arranged on the surface of the outer wall of the second guide pipe, the top end of the second guide pipe is rotatably connected with a top cap, a pressing plate is arranged in the inner cavity of the second guide pipe close to the top end, four groups of telescopic assemblies are annularly arranged at the bottom of the pressing plate, an air bag is arranged in the middle of the inner cavity of the second guide pipe, a top plate is fixedly arranged at the bottom end of the air bag, a threaded ejector rod is arranged on the surface of the bottom of the top plate through a bearing, an internal threaded pipe is rotatably connected in the middle of the threaded ejector rod, the internal threaded pipe is connected with the inner wall of the second guide pipe through a first support, and a stainless steel wire is arranged at the bottom end of the threaded ejector rod through a connecting pipe.

Preferably, the through holes are provided with a plurality of groups, and the plurality of groups of through holes are distributed in an annular array.

Preferably, the top surface of the pressing plate is connected with the bottom end of the top cap.

As optimization, the telescopic assembly comprises a limiting strip and convex knives, and a plurality of groups of convex knives are installed on one side wall of the limiting strip.

As optimization, the multiple groups of through holes correspond to the multiple groups of convex cutters one by one, and the convex cutters are connected with the through holes in an inserting mode.

And optimally, one side wall surface of the limiting strips on the four groups of telescopic assemblies is bonded and connected with the outer wall surface of the air bag.

As optimization, the knob is installed to nonrust steel wire one end, the knob is used for medical personnel to carry out nimble rotation to nonrust steel wire.

Preferably, the bottom end of the inner cavity of the first conduit is inserted with a check ring, and the check ring is connected with the stainless steel wire in an inserting manner.

Preferably, the surface of the outer wall of the first catheter is provided with an anti-slip sleeve, and the anti-slip sleeve is used for the stability of medical staff when holding the first catheter.

Preferably, the middle part of the stainless steel wire is provided with a guide pipe, and the guide pipe is fixedly connected with the inner cavity of the coil pipe through a second bracket.

Compared with the prior art, the invention has the following beneficial effects:

(1) this thrombus clearing device with flexible function, through the coil, can be fixed first pipe and second pipe installation, thereby can form a whole, and then can make things convenient for medical personnel to insert thrombus clearing device to the patient blood vessel, through the hood, the mountable is on second pipe top, thereby can make the nimble removal in the blood vessel of thrombus clearing device, and then can remove thrombus clearing device to the assigned position, the hood simultaneously can be to the spacing installation of clamp plate again.

(2) This thrombus clearing device with flexible function, through the connecting pipe, can link into a whole with screw thread ejector pin and stainless steel wire, then through rotatory stainless steel wire, thereby can make the screw thread ejector pin of installing on the internal thread pipe rotatory following stainless steel wire, and then can make screw thread ejector pin jack-up operation that makes progress, through the bearing, again can drive the roof in step and move upwards, so that can make roof extrusion gasbag, when the gasbag received the extrusion, gasbag both sides can outwards prop up this moment, and then can be with the ejecting through-hole of the convex sword on the subassembly that stretches out and draws back, at last through the first pipe of integral rotation, then it is rotatory to drive snake pipe and second pipe, so that can make the convex sword clear up the thrombus, reached and need not to open the sword and do the effect that the operation just can clear away the thrombus.

(3) This thrombus clearing device with flexible function, when needs take out thrombus clearing device, the stainless steel wire of reverse rotation this moment, then stainless steel wire drives screw ejector pin reverse rotation in step, make the screw ejector pin return the primary importance, screw ejector pin top can be pulled down roof and gasbag to reply the normal position again at the bearing simultaneously, the gasbag shrink at last, can make again protruding sword on the flexible subassembly get back to in the through-hole, make things convenient for medical personnel to take out thrombus clearing device, through the knob, can make things convenient for medical personnel to carry out nimble rotation to stainless steel wire.

(4) The thrombus removing device with the telescopic function can perform limited installation on a plurality of groups of convex knives and can also enable the limiting strips to synchronously drive the convex knives to move through the limiting strips on the telescopic assemblies, and the positions of the telescopic assemblies can be synchronously adjusted when the air bags are compressed or relaxed due to the fact that the surfaces of the side walls of the limiting strips on the four groups of telescopic assemblies are connected with the surfaces of the outer walls of the air bags in an adhering manner; through guiding tube and second support, can be spacing to the stainless steel wire to can prevent the stainless steel wire winding, guarantee the rotatory stability of stainless steel wire.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is an enlarged schematic view of the invention at A of FIG. 3;

FIG. 5 is an enlarged view of the structure of FIG. 3 at B according to the present invention;

FIG. 6 is a schematic structural view of a telescoping assembly provided in accordance with the present invention;

FIG. 7 is a schematic structural view of a second catheter provided in accordance with the present invention;

fig. 8 is an enlarged view of the structure of fig. 3 at C according to the present invention.

Reference numerals:

1-coil pipe; 2-a first conduit; 3-a second conduit; 4-a through hole; 5-top cap; 6-pressing a plate;

7-a telescoping assembly; 701-a limiting strip; 702-a convex cutter;

8-air bag; 9-a top plate; 10-a threaded mandril; 11-an internally threaded tube; 12-a first scaffold; 13-a connecting tube; 14-stainless steel wire; 15-a knob; 16-a retainer ring; 17-an anti-slip sleeve; 18-a guide tube; 19-second support.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Example (b): as shown in fig. 1 to 8, a thrombus removing device with a telescopic function comprises acoil 1, wherein afirst catheter 2 is arranged at one end of thecoil 1, and asecond catheter 3 is arranged at the other end of thecoil 1, and thefirst catheter 2 and thesecond catheter 3 can be fixedly arranged through thecoil 1, so that a whole body can be formed, and a medical worker can conveniently insert the thrombus removing device into a blood vessel of a patient; thethrough hole 4 is annularly arranged on the outer wall surface of thesecond conduit 3, and theconvex knife 702 on thetelescopic component 7 can conveniently perform reciprocating telescopic operation through the throughhole 4; the top end of thesecond catheter 3 is rotatably connected with atop cap 5, apressing plate 6 is arranged in the inner cavity of thesecond catheter 3 close to the top end, and thepressing plate 6 can be mounted at the top end of thesecond catheter 3 through thetop cap 5, so that the thrombus clearing device can flexibly move in a blood vessel and can be moved to a specified position, and meanwhile, thetop cap 5 can limit thepressing plate 6; four groups oftelescopic assemblies 7 are annularly arranged at the bottom of thepressing plate 6, anair bag 8 is arranged in the middle of an inner cavity of thesecond conduit 3, atop plate 9 is fixedly arranged at the bottom end of theair bag 8, a threadedejector rod 10 is arranged on the surface of the bottom of thetop plate 9 through a bearing, an internal threadedpipe 11 is rotatably connected in the middle of the threadedejector rod 10, the internal threadedpipe 11 is connected with the inner wall of thesecond conduit 3 through afirst support 12, astainless steel wire 14 is arranged at the bottom end of the threadedejector rod 10 through a connectingpipe 13, the threadedejector rod 10 and thestainless steel wire 14 can be connected into a whole through the connectingpipe 13, then thestainless steel wire 14 is rotated, so that the threadedejector rod 10 arranged on the internal threadedpipe 11 can rotate along with thestainless steel wire 14, the threadedejector rod 10 can be jacked upwards to run, then thetop plate 9 can be synchronously driven to run upwards through the bearing, so that thetop plate 9 can extrude theair bag 8, when theair bag 8 is extruded, the two sides of theair bag 8 are outwards supported at the moment, so that theconvex knives 702 on thetelescopic assembly 7 can be pushed out of the throughholes 4, and finally, thefirst catheter 2 is integrally rotated, and then thecoil pipe 1 and thesecond catheter 3 are driven to rotate, so that theconvex knives 702 can clean thrombus, and the effect of cleaning the thrombus without operating a knife is achieved; when the thrombus removing device needs to be taken out, thestainless steel wire 14 is rotated in the opposite direction at the moment, then thestainless steel wire 14 synchronously drives thethread ejector rod 10 to rotate in the opposite direction, so that thethread ejector rod 10 returns to the original position, meanwhile, the top end of thethread ejector rod 10 can return thetop plate 9 and theair bag 8 to the original position under the pulling of the bearing pair, finally, theair bag 8 contracts, and theconvex knife 702 on thetelescopic assembly 7 can return to the throughhole 4, so that the thrombus removing device is convenient for medical personnel to take out.

Specifically, thethrough holes 4 are specifically provided with a plurality of groups, and the plurality of groups of throughholes 4 are distributed in an annular array. Like this, be annular array through multiunit through-hole 4 and distribute to can the easy to assemble multiunitconvex sword 702, and then can make multiunit convexsword 702 clear away the thrombus.

Specifically, the top surface of thepressing plate 6 is connected to the bottom end of thetop cap 5. Thus, the top surface of thepressing plate 6 is connected with the bottom end of thetop cap 5, so that thetop cap 5 can limit and support thepressing plate 6.

Specifically, thetelescopic assembly 7 comprises alimiting strip 701 and convexknives 702, and a plurality of groups ofconvex knives 702 are installed on one side wall of thelimiting strip 701. Like this, throughspacing strip 701 on thesubassembly 7 that stretches out and draws back, can be to the spacing installation of multiunitconvex sword 702, can make again spacingstrip 701 synchronous drive convexsword 702 remove.

Specifically, a plurality of sets of the throughholes 4 correspond to a plurality of sets of theconvex knives 702 one by one, and theconvex knives 702 are connected with the throughholes 4 in an inserting manner. In this way, the plurality of sets of throughholes 4 correspond to the plurality of sets ofconvex knives 702 one-to-one, so that theconvex knives 702 can be conveniently and flexibly moved in the throughholes 4.

Specifically, one side wall surface of thelimit strips 701 on the four sets oftelescopic assemblies 7 is connected with the outer wall surface of theair bag 8 in an adhering mode. In this way, because the surface of one side wall of thelimiting strips 701 on the four groups oftelescopic assemblies 7 is connected with the surface of the outer wall of theair bag 8 in an adhering way, the position of thetelescopic assemblies 7 can be synchronously adjusted when theair bag 8 is compressed or relaxed.

Specifically, a rotatingbutton 15 is installed at one end of thestainless steel wire 14, and the rotatingbutton 15 is used for the medical staff to flexibly rotate thestainless steel wire 14. Thus, thestainless steel wire 14 can be rotated flexibly by the medical staff through the rotatingbutton 15.

Specifically, aretainer ring 16 is inserted into the bottom end of the inner cavity of thefirst conduit 2, and theretainer ring 16 is connected with thestainless steel wire 14 in an inserting manner. Thus, theretaining ring 16 can prevent foreign matters from entering the inner cavity of thefirst conduit 2, and the rotation of thestainless steel wire 14 is not affected.

Specifically, the outer wall surface of thefirst catheter 2 is provided with ananti-slip sleeve 17, and theanti-slip sleeve 17 is used for stability when the medical staff holds thefirst catheter 2. Thus, the stability of the medical care professional holding thefirst catheter 2 is improved by theanti-slip cover 17.

Specifically, the middle part of thestainless steel wire 14 is provided with aguide pipe 18, and theguide pipe 18 is fixedly connected with the inner cavity of thecoil 1 through asecond bracket 19. Thus, thestainless steel wire 14 can be limited by theguide tube 18 and thesecond bracket 19, so that thestainless steel wire 14 can be prevented from being wound, and the rotation stability of thestainless steel wire 14 is ensured.

When the thrombus clearing device is used, thefirst catheter 2 and thesecond catheter 3 can be installed and fixed through thecoil 1, so that a whole can be formed, medical workers can conveniently insert the thrombus clearing device into a blood vessel of a patient, theconvex knife 702 on thetelescopic assembly 7 can conveniently perform reciprocating telescopic operation through the throughhole 4, and the top end of thesecond catheter 3 can be installed through thetop cap 5, so that the thrombus clearing device can flexibly move in the blood vessel, the thrombus clearing device can be moved to a specified position, and meanwhile, thetop cap 5 can limit and install thepressing plate 6; the threadedejector rod 10 and thestainless steel wire 14 can be connected into a whole through the connectingpipe 13, then thestainless steel wire 14 is rotated, so that the threadedejector rod 10 arranged on the internal threadedpipe 11 can rotate along with thestainless steel wire 14, the threadedejector rod 10 can be jacked upwards to operate, then thetop plate 9 can be driven to operate upwards synchronously through the bearing, so that thetop plate 9 can extrude theair bag 8, when theair bag 8 is extruded, two sides of theair bag 8 can be propped outwards, theconvex knife 702 on thetelescopic component 7 can be jacked out of the throughhole 4, finally thefirst catheter 2 is rotated integrally, and then thecoil pipe 1 and thesecond catheter 3 are driven to rotate, so that theconvex knife 702 can clean thrombus, and the effect of cleaning the thrombus without operating a knife is achieved; when the thrombus removal device needs to be taken out, thestainless steel wire 14 is rotated in the opposite direction at the moment, then thestainless steel wire 14 synchronously drives the threadedejector rod 10 to rotate in the opposite direction, so that the threadedejector rod 10 returns to the original position, meanwhile, the top end of the threadedejector rod 10 can pull down thetop plate 9 and theair bag 8 to return to the original position under the action of the bearing pair, and finally, theair bag 8 contracts, and theconvex knife 702 on thetelescopic assembly 7 can return to the throughhole 4, so that medical personnel can take out the thrombus removal device conveniently; the multiple groups of throughholes 4 are distributed in an annular array manner, so that the multiple groups ofconvex cutters 702 can be conveniently installed, thrombus can be removed by the multiple groups ofconvex cutters 702, and the top surface of thepressing plate 6 is connected with the bottom end of thetop cap 5, so that thepressing plate 6 can be limited and supported by thetop cap 5; through thelimit strips 701 on thetelescopic assemblies 7, not only can the multiple groups ofconvex knives 702 be limited and installed, but also thelimit strips 701 can synchronously drive theconvex knives 702 to move, as the multiple groups of throughholes 4 correspond to the multiple groups ofconvex knives 702 one by one, theconvex knives 702 can be conveniently and flexibly moved in the throughholes 4, and as the surfaces of one side walls of thelimit strips 701 on the four groups oftelescopic assemblies 7 are connected with the surface of the outer wall of theair bag 8 in an adhesion manner, the positions of thetelescopic assemblies 7 can be synchronously adjusted when theair bag 8 is compressed or relaxed; through theknob 15, can make things convenient for medical personnel to carry out nimble rotation tostainless steel wire 14, through retainingring 16, can prevent that external foreign matter from entering into tofirst pipe 2 inner chamber, do not influencestainless steel wire 14's rotation again, throughantiskid cover 17, can improve the stability when medical personnel gripfirst pipe 2, through guidingtube 18 andsecond support 19, can be spacing tostainless steel wire 14 to can prevent thatstainless steel wire 14 from twining, guaranteed the rotatory stability ofstainless steel wire 14.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (10)

1. The utility model provides a thrombus clearing device with flexible function which characterized in that: including the coil, first pipe is installed to coil one end to the second pipe is installed to the coil other end, second pipe outer wall surface encircles and is equipped with the through-hole, second pipe top is rotated and is connected with the hood, second pipe inner chamber is close to the top position and is equipped with the clamp plate, the clamp plate bottom encircles and is equipped with four group's telescopic component, second pipe inner chamber middle part is equipped with the gasbag to gasbag bottom fixed mounting has the roof, and the screw thread ejector pin is installed through the bearing in roof bottom surface simultaneously, screw thread ejector pin middle part rotates and is connected with the internal thread pipe to the internal thread pipe links to each other with second pipe inner wall through first support, the nonrust steel wire is installed through the connecting pipe in screw thread ejector pin bottom.

2. A thrombus removal device having a retracting function according to claim 1, wherein: the through holes are specifically provided with a plurality of groups, and the plurality of groups of through holes are distributed in an annular array manner.

3. A thrombus removal device having a retracting function according to claim 1, wherein: the top surface of the pressing plate is connected with the bottom end of the top cap.

4. A thrombus removal device having a retracting function according to claim 1, wherein: the telescopic assembly comprises a limiting strip and a convex cutter, and a plurality of groups of convex cutters are installed on one side wall of the limiting strip.

5. A thrombus removal device with a retracting function according to claim 4, wherein: the multiple groups of through holes correspond to the multiple groups of convex cutters one by one, and the convex cutters are connected with the through holes in an inserting mode.

6. A thrombus removal device having a retracting function according to claim 1 or 4, wherein: and the surface of one side wall of the limiting strips on the four groups of telescopic assemblies is bonded and connected with the surface of the outer wall of the air bag.

7. A thrombus removal device having a retracting function according to claim 1, wherein: the knob is installed to nonrust steel wire one end, the knob is used for medical personnel to carry out nimble rotation to nonrust steel wire.

8. A thrombus removal device having a retracting function according to claim 1, wherein: the bottom end of the inner cavity of the first conduit is inserted with a check ring, and the check ring is connected with the stainless steel wire in an inserting way.

9. A thrombus removal device having a retracting function according to claim 1, wherein: first pipe outer wall surface mounting has anti-skidding cover, stability when anti-skidding cover is used for medical personnel to grip first pipe.

10. A thrombus removal device having a retracting function according to claim 1, wherein: the middle part of the stainless steel wire is provided with a guide pipe, and the guide pipe is fixedly connected with the inner cavity of the coil pipe through a second bracket.

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