A kind of Venous cancerous embolus suction deviceTechnical field
The present invention relates to field of medical device, more particularly to a kind of Venous cancerous embolus suction device.
Background technique
Cancer embolus is one of tumour common complication, cancer embolus refer to cancer cell in growth, breeding, transfer process, invasion orHeap blood-collecting tube and lymphatic system, or cause the disturbance of blood coagulation of blood, cause vascular function and blood operation obstacle, abnormal blood coagulation,Thrombosis generates a series of tumor complication of pathophysiological changes.This disease can influence life cycle and the existence of tumour patientQuality occurs the life for more seriously endangering tumour patient in the cancer embolus of human body vital tissue and organ, or even makes patient quicklyIt is dead.Since cancer embolus can occur in big arteriolovenular, lymphatic vessel, microcirculation, so caused clinical symptoms and sign are more multipleIt is miscellaneous, also there is certain particularity in diagnosing and treating.So we will fully recognize it, so as in clinical tumor worksRight combination treatment promptly and accurately can be given and corrected, delay disease progression, improve the survival rate and life quality of patient, it is existingHave and need to remove it intravenous hyperplastic tissue by supersonic melting or other cutting equipments in operation, then passes throughSuction tube draws the tissue stripped down, often occurs in existing surgical procedure since some tissue volumes are excessive in suction tubeThe inside blocks, and suction tube is caused to cannot be used continuously in art, attracts blockage to need through other devices in the prior artTool carries out destruction dredging, is easy to cause cross contamination.
Summary of the invention
It, can in view of the deficiencies of the prior art, the present invention intends to provide a kind of Venous cancerous embolus suction deviceTimely and conveniently unclog the pipe prevents from blocking.
To achieve the above object, the present invention provides the following technical scheme that a kind of Venous cancerous embolus suction device, including attractPipe and asepwirator pump, the suction tube is provided with opening away from asepwirator pump one end, cutting assembly is provided in the suction tube, describedThe inner wall of suction tube is provided with sliding slot, and the cutting assembly is slidably connected on the chute, and the material of the cutting assembly is magnetic goldBelong to, the attraction pipe outer wall is provided with magnetic ring, magnetism ring sliding motion on attracting pipe outer wall, the magnetism ringIt drives cutting assembly attracting in-pipe by magnetic force, is provided with the accommodating chamber being mutually communicated with it on the suction tube, it shouldAccommodating chamber is for placing cutting assembly, and the cutting assembly includes drive shaft, and the attraction pipe outer wall is provided in accommodating chamberSlot is turned to, the steering slot is provided with the first mounting hole, and the drive shaft and steering slot rotation connection, the drive shaft include protruding intoConnecting pin inside first mounting hole to suction tube, the connecting pin are detachably connected with cutting assembly, and the drive shaft is away from companyThe other end for connecing end is provided with the handle for stretching out and turning to slot, and swing handle drives drive shaft that cutting assembly is accommodated in accommodating chamberInterior, the connecting pin of the drive shaft is provided with locked component, which controls drive shaft and cutting assembly installation and removal, instituteIt states suction tube and accommodating chamber is provided with reset assembly, which installs for driving cutting assembly and drive shaft to reset.
As a further improvement of the present invention, the magnetic ring includes the first semi-ring being mutually put together and the second halfRing, first semi-ring and second semi-ring one end are hinged, and first semi-ring and the second semi-ring inner wall are provided with mounting groove, shouldMounting groove is provided with sliding panel, which is provided with several balls for contradicting with suction tube towards suction tube side,The mounting groove is connect with sliding panel by spring, and ball and suction tube is kept to contradict.
As a further improvement of the present invention, the locked component includes connecting rod, telescopic block and pushing block 18, the connectionBar is connect with connecting pin, and the connecting rod is provided with the first spring in drive shaft one end setting fluted 19, the groovePart, first spring part keep pushing block one end to be located at groove, and the connecting rod is provided with through slot on groove outer wall, described flexibleBlock is slidably connected in through slot, and the cutting assembly is provided with second mounting hole fixed for connecting rod, and the cutting assembly existsThe limiting slot protruded into for telescopic block is provided on the side wall of second mounting hole, the pushing block is in have a stub end and microcephalyThe wedge shape at end, the stub end are connect with the first spring part, and the telescopic block is contradicted backwards to one end of limiting slot and pushing block, are being pushed awayPositioning telescopic block stretches out through slot when block stretches out groove, and when pushing block is located in groove, telescopic block is to through slot contract, the through slotInner wall is provided with locating slot, and the telescopic block has radially extended locating piece, which slides in locating slot, the telescopic blockIt is socketed with second spring part, second spring part limit mutually contradicts in locating slot with locating piece, and the second spring part existsDo not have to keep telescopic block to be located in through slot when deformation, the pushing block is the magnetic patch opposite with magnetic ring magnetic pole, the reset groupPart is the magnetic patch opposite with pushing block magnetic pole, which is detachably connected with suction tube, and the telescopic block stretches out through slot one endDownside is provided with to inclined first inclined-plane in groove side, and second mounting hole is provided with and first close to drive shaft one endThe second inclined-plane that inclined-plane is parallel to each other.
As a further improvement of the present invention, the cutting assembly includes annular blade and is arranged and in annular blade center is inBar blade arranged vertically and horizontally, the annular blade radially opposite sides are extended with positioning plate 31, which is slidably connected with sliding slot,Described second, which is mounted on hole, is positioned close on the positioning plate of accommodating chamber one end.
As a further improvement of the present invention, the first inner wall of the hole installing is provided with sealing bearing, the first mounting hole and sealingBearing outer ring interference fit, drive shaft and sealing bearing inner race interference fit.
As a further improvement of the present invention, suction tube is removably connected with storage box backwards to the side of inclined-plane shaped opening,It include setting liquid layer and tissue separating layer in the storage box, storage box is formed by setting filter screen and sets liquid layer and tissue separating layer,Storage box is provided with venthole setting liquid layer top, and the venthole and asepwirator pump are interconnected.
The invention has the benefit that by the way that cutting assembly is arranged inside suction tube, and driven and cut by magnetic forceDevice can slide up and down in attraction pipeline, can accurately reach the position of line clogging, the cutting group under vacuum forcePart cuts tissue, is broken down into fragment, with unclog the pipe, and cutting assembly is set as being rotatablely connected, so that cuttingCutting component can turn in accommodating chamber in the state that suction tube works normally, and not hinder the work of suction tube under normal conditionMake, cutting assembly drives cutting assembly rotation in rotate driving axis by one end and driving axis connection, and sets on the driving shaftLocked component is set, to switch the connection status of drive shaft and cutting assembly, when needing to dredge, by cutting assembly from accommodating chamberInside horizontally rotate the position being aligned with suction tube section, cutting assembly and drive shaft are mutually de- under locked component unlocking conditionFrom guiding it to be slid onto line clogging position by magnetic ring and carry out cutting dredging, integrated operation is convenient, health.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is locked component structural schematic diagram；
Fig. 3 is the structural schematic diagram of magnetic ring；
Fig. 4 is the structural schematic diagram of cutting assembly；
Fig. 5 is the structural schematic diagram of storage box；
Fig. 6 is the magnetic pole schematic diagram of pushing block, magnetic ring and reset assembly.
1, suction tube；2, asepwirator pump；3, cutting assembly；4, sliding slot；5, magnetic ring；6, accommodating chamber；7, drive shaft；8, turnTo slot；9, the first mounting hole；10, locked component；11, reset assembly；12, the first semi-ring；13, the second semi-ring；14, sliding panel；15, ball；16, connecting rod；17, telescopic block；18, pushing block；19, groove；20, through slot；21, the second mounting hole；22, limiting slot；23, the first spring part；24, locating slot；25, locating piece；26, second spring part；27, the first inclined-plane；28, the second inclined-plane；29, ringShape blade；30, bar blade；31, positioning plate；32, bearing is sealed；33, storage box；34, liquid layer is set；35, separating layer is organized；36, filter screen；37, venthole；38, mounting groove；39, handle.
Specific embodiment
The present invention is described in further detail below in conjunction with embodiment given by attached drawing.
Referring to Fig.1 shown in -6, a kind of Venous cancerous embolus suction device disclosed in the present embodiment, including suction tube 1 and asepwirator pump2, the suction tube 1 is provided with opening away from 2 one end of asepwirator pump, and cutting assembly 3, the attraction are provided in the suction tube 1The inner wall of pipe 1 is provided with sliding slot 4, and the cutting assembly 3 is slidably connected on sliding slot 4, and the material of the cutting assembly 3 is magnetic goldBelong to, 1 outer wall of suction tube is provided with magnetic ring 5, the magnetism ring 5 sliding motion, magnetism on 1 outer wall of suction tubeRing 5 drives cutting assembly 3 to move in suction tube 1 by magnetic force, is provided with the appearance being mutually communicated with it on the suction tube 1Receive chamber 6, the accommodating chamber 6 is for placing cutting assembly 3, and the cutting assembly 3 includes drive shaft 7, and 1 outer wall of suction tube existsAccommodating chamber 6, which is provided with, turns to slot 8, and the steering slot 8 is provided with the first mounting hole 9, and the drive shaft 7 is rotatablely connected with slot 8 is turned to,The drive shaft 7 includes the connecting pin protruded into inside the first mounting hole 9 to suction tube 1, and the connecting pin and cutting assembly 3 are detachableConnection, the other end of the drive shaft 7 away from connecting pin are provided with the handle 39 for stretching out and turning to slot 8, and swing handle 39, which drives, to be drivenCutting assembly 3 is accommodated in accommodating chamber 6 by moving axis 7, and the connecting pin of the drive shaft 7 is provided with locked component 10, the locked component10 control drive shafts 7 and 3 installation and removal of cutting assembly, the suction tube 1 are provided with reset assembly 11 in accommodating chamber 6, this is multipleHyte part 11 is installed for driving cutting assembly 3 and drive shaft 7 to reset.
Drive cutter device in suction tube 1 by the way that cutting assembly 3 is arranged inside suction tube 1, and by magnetic forceIt can slide up and down, can accurately reach the position of line clogging, 3 pairs of tissues of cutting assembly are cut under vacuum forceIt cuts, is broken down into fragment, with unclog the pipe, and cutting assembly 3 is set as being rotatablely connected, cutting assembly 3 is existedSuction tube 1 turns in accommodating chamber 6 in the state of working normally, and does not hinder the work of suction tube 1 under normal condition, cutting assembly3 are connect by one end with drive shaft 7, drive cutting assembly 3 to rotate in rotate driving axis 7, and locking is arranged in drive shaft 7Component 10, to switch the connection status of drive shaft 7 Yu cutting assembly 3, when needing to dredge, by cutting assembly 3 from accommodating chamber 6Inside horizontally rotate the position being aligned with 1 section of suction tube, cutting assembly 3 and 7 phase of drive shaft under 10 unlocking condition of locked componentIt is mutually detached from, guides it to be slid onto line clogging position by magnetic ring 5 and carry out cutting dredging, integrated operation is convenient, health.
As a kind of improved specific embodiment, the magnetism ring 5 includes the first semi-ring 12 being mutually put togetherWith the second semi-ring 13, first semi-ring 12 and 13 one end of the second semi-ring are hinged, in first semi-ring 12 and the second semi-ring 13Wall is provided with mounting groove 38, which is provided with sliding panel 14, if the sliding panel 14 is provided with towards 1 side of suction tubeThe dry ball 15 for contradicting with suction tube 1, the mounting groove 38 are connect with sliding panel 14 by spring, holding ball 15 andSuction tube 1 contradicts.
By setting folding articulated structure for magnetic ring 5, the opening-closing structure far from hinged end can be to pass through spiral shellThe fixed connection structure of bolt, clamping structure or other, facilitate the installation and removal of magnetic ring 5, by logical in magnetic ring 5It crosses resilient balls 15 to be slidably connected with 1 outer wall of suction tube, guarantees to be fixed on 1 outer wall of suction tube under nobody's power drive,Manpower drives magnetic ring 5 smooth can slide in 1 outer wall of suction tube, and overall structure is simple, facilitates operation.
As a kind of improved specific embodiment, the locked component 10 includes connecting rod 16, telescopic block 17 and pushing block18, the connecting rod 16 is connect with connecting pin, and the connecting rod 16 is away from 7 one end of drive shaft setting fluted 19, the grooveThe first spring part 23 is provided in 19, which keeps 18 one end of pushing block to be located at groove 19, and the connecting rod 16 existsThrough slot 20 is provided on 19 outer wall of groove, the telescopic block 17 is slidably connected in through slot 20, and the cutting assembly 3 is provided with confessionThe second fixed mounting hole 21 of connecting rod 16, the cutting assembly 3 are provided on the side wall of the second mounting hole 21 for stretchingThe limiting slot 22 that block 17 protrudes into, the pushing block 18 are in the wedge shape with a stub end and small head end, the stub end and firstSpring part 23 connects, and the telescopic block 17 is contradicted backwards to one end of limiting slot 22 and pushing block 18, when pushing block 18 stretches out groove 19It positions telescopic block 17 and stretches out through slot 20, telescopic block 17 is to 20 contract of through slot, the through slot when pushing block 18 is located in groove 1920 inner walls are provided with locating slot 24, and the telescopic block 17 has radially extended locating piece 25, and the locating piece 25 is sliding in locating slot 24Move, the telescopic block 17 is socketed with second spring part 26, the second spring part 26 limit in locating slot 24 with 25 phase of locating pieceIt mutually contradicts, the second spring part 26 keeps telescopic block 17 to be located in through slot 20 in no deformation, and the pushing block 18 is and magneticProperty the opposite magnetic patch of 5 magnetic pole of ring, the reset assembly 11 be the magnetic patch opposite with 18 magnetic pole of pushing block, the reset assembly 11 and inhaleSkirt 1 is detachably connected, and the telescopic block 17, which is stretched out on the downside of 20 one end of through slot, to be provided with to 19 side of groove inclined first tiltedlyFace 27, second mounting hole 21 are being provided with the second inclined-plane 28 being parallel to each other with the first inclined-plane 27 close to 7 one end of drive shaft.
When in use, the telescopic block 17 of locked component 10 is in the case where pushing block 18 is by the magneticaction power repelled each other of component is replied,It is stretched out outside retaining groove 19, and then telescopic block 17 is pushed to stretch out outside through slot 20, telescopic block 17 is connected to the limiting slot of cutting assembly 3In 22, so that being able to drive the rotation of cutting assembly 3 in rotate driving axis 7, turned in 1 channel of suction tube in cutting assembly 3When, magnetic ring 5 is mounted on 6 lower position of accommodating chamber, and reset assembly 11 is disassembled, pushing block 18 is by magnetic ringIt is moved after 5 mutual expelling force into groove 19, telescopic block 17 moves under the restoring force of second spring into through slot 20, cutting assembly3 are mutually disengaged with drive shaft 7, and the generally magnetic metal material of cutting assembly 3, cutting assembly 3 is attracted by magnetic ring 5, withMagnetic ring 5 is moved and is moved, and state switching action is simple, and cutting assembly 3 can be driven in the state of not contacting with each otherIt is mobile, to unclog the pipe, guarantees whole operation process safety, not will lead to secondary pollution, it can after unclog the pipe in artSecondary use, after unclog the pipe, it is mobile toward 6 direction of accommodating chamber that magnetic ring 5 drives cutting assembly 3, and in 6 upper end of accommodating chamberReset assembly 11 is installed, reset assembly can be set to magnetic part identical with magnetic 5 structure of ring, disassemble magnetic ring 5Afterwards, reset assembly 11, which drives, attracts cutting assembly 3 to move up, and reset assembly 11 is greater than to pushing away the attraction of cutting assembly 3The repulsive force of block 18, the second mounting hole 21 are aligned with drive shaft 7 always, cutting assembly 3 when moving up telescopic block 17 alongSecond inclined-plane 28 is moved into through slot 20, and when limiting slot 22 is moved to and is mutually aligned with telescopic block 17, telescopic block 17 is in pushing blockIt is connected under 18 thrust in limiting slot 22, drive shaft 7 is kept by locked component 10 and 3 lock state of cutting assembly, passes throughRotate driving axis 7 drives cutting assembly 3 to rotate back into accommodating chamber 6, and integral reset acts advantages of simple.
As a kind of improved specific embodiment, the cutting assembly 3 includes annular blade 29 and is arranged in endless knife29 center of piece is in bar blade 30 arranged vertically and horizontally, and 29 radially opposite sides of annular blade are extended with positioning plate 31, the positioning plate31 are slidably connected with sliding slot 4, and described second, which is mounted on hole 21, is positioned close on the positioning plate 31 of 6 one end of accommodating chamber.
Second mounting hole 21 is opened on positioning plate 31, and annular groove is preferably equipped on 6 wall of accommodating chamber, far from drive shaft 7The positioning plate 31 of one end slides in a ring groove when cutting assembly 3 rotates, and guarantees that cutting assembly 3 keeps the state of balance, leads toCross setting annular blade 29 and bar blade 30 and in grid-like arrangement, enable cutting assembly 3 when cutting tissue moreAccelerate speed and is divided into fritter.
As a kind of improved specific embodiment, 9 inner wall of the first mounting hole is provided with sealing bearing 32, the first mounting hole9 are interference fitted with sealing 32 outer ring of bearing, drive shaft 7 and sealing 32 inner ring of bearing interference fit.
Guarantee that the first mounting hole 9 is able to maintain sealing state by the way that sealing bearing 32 is arranged in the first mounting hole 9, so that1 side wall of suction tube guarantees complete stuffiness, avoids air from entering from the first mounting hole 9 when suction tube 1 works, and to driveMoving axis 7 can be rotated more smoothly.
As a kind of improved specific embodiment, suction tube 1 is removably connected with backwards to the side of inclined-plane shaped opening and setsObject box 33, the storage box 33 is interior including setting liquid layer 34 and tissue separating layer 35, and storage box 33 is set by the way that the formation of filter screen 36 is arrangedLiquid layer 34 and tissue separating layer 35, storage box 33 are provided with venthole 37 setting 34 top of liquid layer, the venthole 37 and 2 phase of asepwirator pumpIt is intercommunicated.
Storage box 33 is separated into two layers, to separate massive texture and body fluid, to prevent asepwirator pump 2 in breathing processMassive texture is drawn onto 2 the inside of asepwirator pump, prevents 2 failure of asepwirator pump.
To sum up, a kind of Venous cancerous embolus suction device disclosed by the invention, reasonable integral structure realize that suction tube is occurringIt relatively sanitary can easily be dredged when blocking.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the artFor those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answeredIt is considered as protection scope of the present invention.