CN207708005U - A kind of tumor of bladder cutting device - Google Patents

Abstract

The utility model discloses a kind of tumor of bladder cutting devices comprising connecting tube, wire and handle, the wire are threaded through in the connecting tube, and the handle is connected to the connecting tube rear end；The connecting tube front end is connected with storage pocket, and the front end of wire is connected to the storage pocket sack week edge, and the wire is located at the partial denudation in sack forward position as cutting silk；The handle includes columnar handle main body, and the handle main body is equipped with drawing piece, and the drawing piece is equipped with power cord；Two ends of the wire rear end are pierced by from the side wall of handle main body and are connect with the power cord.The tumour of different location in bladder and volume integrally can be cut off and collected by the tumor of bladder cutting device of the utility model by the wire and the storage pocket, intraoperative blood loss is effectively reduced, tumour floating is avoided, ensures the clear of surgical field of view and shorten operating time, the risk of the difficulty and tumor recurrence of taking out tumour can be substantially reduced.

Description

A kind of tumor of bladder cutting device

Technical field

The utility model belongs to the field of medical instrument technology, and in particular to a kind of tumor of bladder cutting device.

Background technology

Tumor of bladder is current relatively conventional urological cancer, occurs and recurrence rate rises year by year, and age of onset Also it is in rejuvenation trend, hence it is evident that influence quality of life and the prognosis of patient.The therapeutic scheme of tumor of bladder has TURBT, wing Guang ablation and radial cystectomy art.In most of TURBT surgical procedures, operative doctor can face gross tumor volume compared with Greatly, situations such as substrate is wider, needing patient, by tumour, multiple, piecemeal is cut off with traditional resectoscope, however during excision, tumour Interior abundant vascular tissue will cause the bleeding of large area, hence it is evident that influence the visual field of patient.In addition, swimming in intravesical dissipate The blind area in the visual field has also been aggravated in tumor tissues, has allowed patient that can not clearly distinguish the basal part of tumour, the above situation is obviously prolonged The time of operation has been grown, and has been easy to cause the generation of the intraoperative compliactions such as vesical perforation.

Application No. is the utility model of " 201310084975.2 " entitled " a kind of looping and binding device for tumor of bladder " is special Profit discloses a kind of tool cutting off tumor of bladder from root, including looping and binding device ontology, set prick metallic coil, and looping and binding device ontology is Cavity-like, one are terminated with handle；It is connected with binding post on one end of the handle；The binding post is located at looping and binding device ontology In cavity；It is connected with flexible insulating sleeve on the binding post；The set is pricked metallic coil and is accessed from the access point of binding post, and It a little picks out, while is sheathed in flexible insulating sleeve and lower flexible insulating sleeve from picking out for binding post；The binding post connects Access point and picking out a little is connected with electrode respectively；The electrode is connected with external power supply.The utility model is simple in structure, can be compared with The larger tumour of complete resection volume, but cannot solve the problems, such as that tumor tissues float the taking-up problem after scattered and tumor resection.

To sum up, being badly in need of one kind at present it is swollen can to do disposable globality in the case of control tumor of bladder knurl completely Tumor is cut off, and the knurl cut is made to be taken out in vitro by complete, to more safely and efficiently complete tumor of bladder intracavity resecting Art, expand operation the scope of application, and be expected to for the transfer of tumor of bladder and Mechanisms of recurrence research provide optimization pathology support.

Utility model content

The tumour of different location in bladder and volume can integrally be cut off the purpose of this utility model is to provide a kind of And it takes out, the tumor of bladder that is clear and shortening operating time for reducing intraoperative blood loss, avoiding tumour floating, ensureing surgical field of view Cutting device.

The tumor of bladder cutting device of the utility model includes connecting tube, wire and handle, and the wire doubling is in pairs Line is threaded through in the connecting tube, and the fold back portion of the front end of wire is pierced by from the connecting tube front end and opens in ring Shape, the handle are connected to the connecting tube rear end；

The connecting tube front end is connected with storage pocket, and wire front end annular in shape is connected to the storage pocket sack All edges, the wire are located at the partial denudation in sack forward position as cutting silk, both ends and the storage pocket of the cutting silk Affixed, the outside of part of the wire in addition to the cutting silk has insulating layer；

The handle includes columnar handle main body, and the connecting tube back-end sealing is plugged in the handle main body front end, The handle main body is internally provided with the first cavity, and the handle main body is equipped with pipe fitting, the connecting tube tube chamber, the first cavity Composition aquaporin is communicated with pipe fitting；

The handle main body is equipped with the drawing piece that can be moved forward and backward in an axial direction, and the drawing piece is equipped with power cord；

The wire passes through the connecting tube tube chamber and the first cavity, and two ends of the wire rear end are from handle The side wall of main body is pierced by and is connect with the power cord by the drawing piece.

In the tumor of bladder cutting device of the utility model, memory metal material, the wire can be used in the wire External insulating layer can be insulating coating, plastic sheet or rubber thin-bed；The front end of wire is connected to the storage pocket Sack week edge, wherein removing the part of the cutting silk along the storage pocket sack week along movably shuttling, and then can receive It is retracted into the connecting tube or opens annularly, during shrinking or opening, the storage pocket sack is tightened or opened therewith It opens.

The connecting tube enters patient's bladder for stretching into mirror sheath or patient's urethra with the storage pocket；It is described Storage pocket is for extracting tumor of bladder；The handle is the manipulation position of tumor of bladder crawl, excision, can by the drawing piece The wire is tensed or loosened, and then the front end of wire can be made to retract into the connecting tube or stretch out flare up Ring, the storage pocket sack consequently also shrink or open.In use, stretching into before patient's body, the wire is tensed, it is described Storage pocket folds；Into after patient's bladder, loosen the wire, the front end of wire is with the storage pocket sack It opens, tumor of bladder is grabbed in the storage pocket；Tensing the wire again makes the sack of the storage pocket tighten, at this time wing The root of Guang tumour is located at necking.Then, operation makes the wire power on, by the cutting silk by tumor of bladder It is cut off from root.The storage pocket is tightened again after tumor of bladder excision, is finally utilized external vacuum suction, is passed through the aquaporin Water in the storage pocket is sucked out, so that the storage pocket is reduced, can smoothly be taken out when narrowing down to suitable size.As it can be seen that making It can be completed at the same time cutting and removing for tumor of bladder with the tumor of bladder cutting device of the utility model.

Preferably, the handle main body second half section is internally provided with the second cavity communicated with first cavity, and described Two cavity diameters are less than the first cavity diameter, second cavity, first cavity and connecting tube tube chamber composition Endoscope path way is passed in and out for endoscope, and the second cavity rear end open is passed in and out for endoscope and is equipped in being connected and fixed The endoscope interface of sight glass.

Integrated in the tumor of bladder cutting device of the utility model there are three channel, respectively wire passage, aquaporin and Endoscope path way, wire passage are made of connecting tube tube chamber, the first cavity and perforation, and aquaporin is by connecting tube tube chamber, first Cavity and pipe fitting composition, endoscope path way are made of connecting tube tube chamber, the first cavity and the second cavity, and three channels, which share, to be connected Take over tube chamber and the first cavity make full use of the connecting tube and the handle main body with this, without additional setting aquaporin and Endoscope path way, whole device is compact-sized, easy to operate.

Setting for the drawing piece：

In some preferred embodiments, the handle main body side wall is equipped with axial guide groove, and the guide groove front end face is set It is sliding block of the slide fit in the guide groove to have the perforation connected with first cavity, the drawing piece, and the power cord is set Behind the sliding block, connecting pole is equipped with before the sliding block, the connecting pole extends across forward the perforation and stretches into institute State the first cavity；The wire rear end penetrates the connecting pole and two ends pass through the sliding block to connect with the power cord It connects.

The guide groove can be set on the outside of second cavity, rear end face of the perforation positioned at first cavity.

The guide groove can be also set on the outside of first cavity, and the guiding trench bottom is formed in first cavity Protrusion, the perforation is positioned at the front end of the protrusion.

To avoid the sliding block from being detached from the guide groove, the sliding block can be set in the handle main body, can also By clip mode slide fit in the guide groove.

When the sliding block is slided along the guide groove, the connecting pole is moved forward and backward along the perforation, and then with The wire is moved forward and backward, and the connecting pole wraps up the wire, on the one hand can play the role of protecting wire, separately On the one hand, the interspersed cooperation (perforation can be circular hole or elliptical aperture) of the connecting pole and the perforation, compared to two gold It is relatively higher to belong to leakproofness when silk directly interts.

In other preferred embodiments, the handle main body side wall is equipped with ear body, and guide hole, institute are equipped in the ear body It states the bending of guide hole front half section to communicate with first cavity, the guide hole second half section is parallel with the handle main body, the drawing Part includes that the guide rod that activity was interspersed in the guide hole second half section and the draw ring for being connected to the guide rod rear end, the power cord are set In the guide rod rear end；The wire rear end is connect across the guide rod with the power cord after penetrating the guide hole.

Setting for the storage pocket：

Preferably, the sack week of the storage pocket moves close to somebody's ear along equipped with several, and wire front end annular in shape is sequentially worn Cross described several move close to somebody's ear.The storage pocket sack moves close to somebody's ear to connect with the front end of wire by described, the front end of wire When shrinking or opening, it can shrink or open with the storage pocket sack.

Preferably, the connecting tube front end is equipped with several osculums that can be lived by the storage pocket sealing cover.The osculum Shape can be set as but be not limited to rectangular, round, oval etc., the osculum will lead to inside the storage pocket with the water Road is connected.In actual use, under vacuum suction, water can enter the aquaporin by the osculum in the storage pocket, It is then discharged out.

The sack of the storage pocket and the connecting tube angulation can within the scope of -30 °~+90 °, wherein -30 °~ The storage pocket sack is upwarped relative to the connecting tube at 0 °, and the storage pocket sack is parallel with the connecting tube at 0 °, 0 ° The storage pocket sack is tilted down relative to the connecting tube at~90 °.The opening direction of the storage pocket is in reasonable operation It can be adjusted flexibly in the case of handle, conducive to more multipoint tumour is extracted, especially extract the swollen of side wall, roof and rear wall Tumor.

In some preferred embodiments, the storage pocket sack is with the connecting tube at -30 °~+30 ° angles, preferably 0 ° i.e. institute State that storage pocket sack is parallel with the connecting tube, the front end of the connecting tube is stretched into from the seamless unoccupied place of storage pocket side wall, institute The front end for stating wire is pierced by from connecting tube front end upper side walls, and the osculum is located at the receipts set on the connecting tube The end received in bag；The front end of the connecting tube can be wrapped up by pulling the wire when storage pocket sack being made to tighten.The reality It applies in example, the storage pocket can more easily extract the tumour of roof and side wall.

In other preferred embodiments, the storage pocket sack is with the connecting tube at+30 °~+90 ° angles, and preferably 90 ° i.e. The storage pocket sack is vertical with the connecting tube, and the front end of the wire is pierced by from connecting tube front end both sides, described The front end of connecting tube with the side wall of the storage pocket is seamless is connected, the osculum be set to the connecting tube front end be located at it is described Below in storage pocket on side wall.In the embodiment, the storage pocket can more easily extract the tumour of rear wall.

Additionally, it is preferred that, the handle further includes mounting base and hand-held ring, and the mounting base is fixedly arranged on the handle main body Rear end is simultaneously vertical with the handle main body, and the hand-held ring is vertically rotationally connected with the mounting base end.

Preferably, mirror sheath connector is arranged in the connecting tube.The internal diameter of the mirror sheath connector and the connecting tube Outer diameter matching.For the mirror sheath connector for being connect with mirror sheath, mirror sheath is existing common medical instrument, can play protection and suffer from The effect of person's urethra and the fixed connecting tube.The internal diameter of the mirror sheath connector is matched with the outer diameter of the connecting tube can guarantee The connecting tube it is opposite with mirror sheath sliding when leakproofness.

Preferably, the material of the storage pocket is the material with certain flexibility and toughness, including but not limited to macromolecule The maximum gauge of film, fabric and composite material film etc., the storage pocket expansion after-opening is the preferred 4cm of 2cm~8cm, Depth is the preferred 5cm of 2cm~8cm.A diameter of 2mm~8mm, preferably 4mm after the storage pocket folds.

Preferably, the optional high molecular material of the connection tube material, metal material and composite material etc., such as PP, PE, PU, PET, PVC, Pbax, Peek, ceramics, one kind in stainless steel, steel alloy and aluminium alloy, can also be two kinds or two kinds Above mixing or connection etc., optional range include but not limited to the example above；The connecting tube is hollow and thin-walled pipe fitting, interior Diameter is in the preferred 4mm of 2mm~8mm, and pipe thickness is in the preferred 0.2mm of 0.1mm~2mm, and length is in the preferred 25cm of 20cm~30cm.

Preferably, seal washer can be used to improve leakproofness in the connecting pole and the interspersed cooperation of the perforation.It is described Connecting tube and the handle main body, which can seal, to be spirally connected or is clamped, sealing can be used usual means or the connecting tube and The handle main body is integrated through injection molding structure.

The endoscope interface set is spirally connected or is connected to the handle main body rear end on endoscope is long-armed, plays The fixed endoscope and the effect for sealing second cavity.

The beneficial effects of the utility model：

In the tumor of bladder cutting device of the utility model, the handle is the manipulation position of tumor of bladder crawl, excision, is led to The wire can be tensed or loosen by crossing the drawing piece, and then the front end of wire can be made to shrink or open, the storage Bag consequently also shrinks or opens.And the storage pocket can wrap up crawl tumor of bladder, pass through the institute in storage pocket sack forward position Cutting silk is stated to cut off tumor of bladder from root, and the storage pocket is inhaled after collecting the tumor of bladder cut off using external negative pressure Draw, the water in the storage pocket is sucked out by the aquaporin, the storage pocket is made to reduce, it can when narrowing down to suitable size It is smoothly taken out from patient's body.

Compared with prior art, the tumor of bladder cutting device of the utility model can be by different location in bladder and volume Tumour integrally cuts off and takes out, and solves the problems such as tissue in tumor resection drifts, and effectively reduces intraoperative blood loss, avoids swelling Tumor floating ensures the clear of surgical field of view and shortens operating time, can substantially reduce the difficulty and tumor recurrence for taking out tumour Risk.

Description of the drawings

Fig. 1 is the schematic diagram of the tumor of bladder cutting device of the utility model embodiment 1；

Fig. 2 is the stereoscopic schematic diagram of handle in the utility model embodiment 1；

Fig. 3 is the diagrammatic cross-section of handle in the utility model embodiment 1；

Fig. 4 is the side view of storage pocket in the utility model embodiment 1；

Fig. 5 is the front view of storage pocket in the utility model embodiment 1；

Fig. 6 is the schematic diagram of the storage pocket of the utility model embodiment 2；

Fig. 7 is the diagrammatic cross-section of the handle of the utility model embodiment 3；

Fig. 8 is the diagrammatic cross-section of the handle of the utility model embodiment 4.

Reference numeral：

Handle 100, pipe fitting 101, sliding block 102, guide groove 103, endoscope interface 104, connecting pole 105, power cord 106, mounting base 107 holds ring 108, the first cavity 109, the second cavity 110, ear body 111, handle main body 112, guide hole 113, guide rod 114, draw ring 115；

Mirror sheath connector 200；

Connecting tube 300, osculum 301/302；

Storage pocket 400, moves close to somebody's ear 401；

Wire 500, cutting silk 501；

Mirror sheath 600.

Specific implementation mode

Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail.It should be understood that following embodiment is only For illustrating the utility model not for restriction the scope of the utility model.

Embodiment 1

Fig. 1 show the tumor of bladder cutting device of one preferred embodiment of the utility model comprising handle 100, mirror sheath connect Connector 200, connecting tube 300, storage pocket 400 and wire 500 (see Fig. 3).Wherein, handle 100 is connected to 300 rear end of connecting tube The manipulation position extracted as tumor of bladder, cut off.Mirror sheath connector 200 is set in connecting tube 300, in use, connecting tube 300 stretch into mirror sheath 600, and for mirror sheath connector 200 for being connect with mirror sheath 600, conventional cystoscope sheath can be used in mirror sheath 600, Existing common connection type can be used with mirror sheath connector 200 in it.Storage pocket 400 is connected to 300 front end of connecting tube.Wire 500 are folded in half into two-wire and are threaded through in an axial direction in connecting tube 300.

As shown in Figures 2 and 3, handle 100 includes handle main body 112, sliding block 102, hand-held ring 108 and endoscope interface 104 Deng.Handle main body 112 is in a tubular form and diameter is more than 300 diameter of connecting tube, and 300 back-end sealing of connecting tube is plugged in handle main body 112 front ends.Handle main body 112 is internally provided with front and back the first cavity 109 and the second cavity 110 communicated, 109 diameter of the first cavity More than 110 diameter of the second cavity.112 front half section of handle main body is equipped with pipe fitting 101.In actual use, pipe fitting 101, One cavity 109 and 300 cavity of connecting tube form aquaporin, and pipe fitting 101 connects negative pressure can will be in 300 front end storage pocket of connecting tube Water be sucked out；Second cavity 110, the first cavity and 109 and connecting tube 300 form endoscope path way, and endoscope can be from handle master 112 rear end of body is stretched into, and the second cavity 110, the first cavity and 109 and connecting tube 300 are then sequentially passed through, into patient's body into Row camera shooting, the rear end that endoscope interface 104 screwed or be connected to handle main body 112 are used for fixed endoscope.112 side of handle main body It is located at 110 outside of the second cavity on wall and is equipped with axial guide groove 103,103 front end of guide groove is equipped with and 109 rear end of the first cavity The perforation of connection.Sliding block 102 be set in handle main body 112 as drawing piece and with 103 slide fit of guide groove, it is solid on sliding block 102 Equipped with connecting pole 105 and power cord 106, the first chamber is stretched into the perforation that connecting pole 105 extends across forward 103 front end of guide groove Road 109, the length of connecting pole 105 make connecting pole 105 with not departing from perforation when sliding block 102 is moved forward and backward enough.Hand-held ring 108 by mounting base 107 be mounted on handle main body 112 on, mounting base 107 be fixedly arranged on 112 rear end of handle main body and with handle master Body 112 is vertical, and hand-held ring 108 is vertically rotationally connected with 107 end of mounting base, and ring 108 energy, 360 degree of rotations are held with this, with The person of being conveniently operated is hand-held.

As shown in figure 3,500 rear end of wire is wrapped in connecting pole 105, two ends of 500 rear end of wire pass through Sliding block 102 is connect with power cord 106.111 front end of wire is pierced by from 300 front end both sides of connecting tube and opens annular in shape.Work as cunning When block 102 reciprocatingly slides, connecting pole 105 and wire 500 is driven to be moved forward and backward, the interspersed cooperation phase of connecting pole 105 and perforation Than there is more preferably leakproofness relatively in wire is directly interspersed.When wire 500 is moved forward and backward, front end is collapsible into connection therewith In pipe 300 or stretches out and open.

As shown in Figures 4 and 5, storage pocket 400 is there are one the thin-walled pressure vessel being open and to have certain flexibility and toughness, Opening diameter is 4cm, depth 5cm when opening.(i.e. sack hangs down 400 sack of storage pocket with connecting tube at an angle of 90 with connecting tube 300 Directly, certain wire is also bent makes sack lean forward), the front end of connecting tube 300 with the side wall of storage pocket 400 is seamless is connected, 300 front end of connecting tube be located in storage pocket 400 below side wall be equipped with several osculums 301, make the inside of storage pocket 400 with even Take over 300 communicates.400 sack of storage pocket is circumferentially distributed several to move close to somebody's ear 401；Storage pocket 400 is attached to metal by 401 extensions of moving close to somebody's ear On the front end of silk 500 (front end of wire 500 sequentially pass through move close to somebody's ear 401), the front end of wire 500 is moved with sliding block 102 And when shrinking or opening, 400 sack of storage pocket consequently also shrinks or opens.401 are moved close to somebody's ear positioned at two in the front end forward position of wire 500 Between partial denudation as cutting silk 501, the both ends of cutting silk 501 and storage pocket 400 are affixed, wire 500 remove cutting silk The outside of part other than 501 has insulating layer.In actual use, storage pocket 400 extracts tumor of bladder, and wire 500 is logical After electricity, cutting silk 501 being capable of cutting tumor tissues.And after wire 500 is shunk with 400 sack of storage pocket, on handle 100 Pipe fitting 101 on connect vacuum suction, the water in storage pocket 400 can be discharged by aquaporin.

Preferably, the material of storage pocket 400 is the material with certain flexibility and toughness, and including but not limited to macromolecule is thin Film, fabric and composite material film etc., the maximum gauge that storage pocket 400 expands after-opening are the preferred 4cm of 2cm~8cm, depth For the preferred 5cm of 2cm~8cm.A diameter of 2mm~8mm, preferably 4mm after storage pocket 400 folds.

Preferably, 300 material of connecting tube is high molecular material, metal material or composite material etc., for example, PP, PE, PU, PET, PVC, Pbax, Peek, ceramics, one kind in stainless steel, steel alloy and aluminium alloy, can also be two or more Mixing or connection etc., optional range includes but not limited to the example above.Preferably, connecting tube 300 is hollow and thin-walled pipe fitting, interior Diameter is in the preferred 4mm of 2mm~8mm, and pipe thickness is in the preferred 0.2mm of 0.1mm~2mm, and length is in the preferred 25cm of 20cm~30cm.

In addition, in actual use, connecting tube, which needs to be inserted into mirror sheath, to be used, and mirror sheath connector 200, which plays, to be connected and fixed Effect, mirror sheath connector 200 is connect with mirror sheath, due to the specification more than one of mirror sheath, so mirror sheath connector 200 does not limit to Form in this present embodiment.It should be pointed out that the internal diameter of mirror sheath connector 200 will be with the outer diameter of the connecting tube 300 Match, connecting tube 300 can be made to be slided relative to mirror sheath connector 200, ensure leakproofness between the two again.

There are three channels, respectively wire passage in the tumor of bladder cutting device of the utility model, aquaporin and interior Sight glass channel.Wherein, wire passage is moved forward and backward for wire 500, by 300 tube chamber of connecting tube, the first cavity 109 and perforation Composition；The water that aquaporin is used to be discharged in storage pocket, is made of 300 tube chamber of connecting tube, the first cavity 109 and pipe fitting 101；It is interior Sight glass channel is passed in and out for endoscope, is made of 300 tube chamber of connecting tube, the first cavity 109 and the second cavity 110；Three channels are whole It closes in connecting tube 300 and handle main body 112, whole device is compact-sized, easy to operate.

Preferably, seal washer can be used to improve leakproofness in connecting pole 106 and the interspersed cooperation of perforation.Connecting tube 300 It can be sealed with handle main body 112 and be spirally connected or be clamped, usual means or connecting tube 300 and handle main body can be used in sealing 112 be integrated through injection molding structure.

Endoscope interface 104 is sleeved in the long-armed (not shown) of endoscope, while being spirally connected or being connected to handle main body 112 Rear end plays the role of fixed endoscope and seals the second cavity 110.

Concrete operations flow：

The tumor of bladder cutting device of the utility model before use, storage pocket 400 is folded positioned at 300 front end of connecting tube, and Its diameter after folding is not more than the working diameter of mirror sheath.Power cord 106 is connected into cutting instrument, endoscope is after handle 100 End is inserted into through endoscope path way, and endoscope interface 104 is used in combination to fix, and pipe fitting 101 connects external negative pressure.

In use, storage pocket 400 and connecting tube 300 are inserted into mirror sheath, mirror sheath connector 200 is connect with mirror sheath.Then The video guiding lower-pilot handle 100 that operator feeds back in endoscope, pushes forward sliding block 102,500 front end of wire to stretch out simultaneously Opening opens storage pocket 400, and under the guiding of video, tumor of bladder is grabbed in storage pocket 400；Then cunning is slided backward Block 102 makes the sack of storage pocket 400 tighten, and the root of tumor of bladder is located at necking at this time.Then, operator manipulates cutting Instrument cuts off tumor of bladder from root by cutting silk 501.It finally, will be in storage pocket 400 using external vacuum suction Water is discharged, and storage pocket 400 is made to reduce, and when narrowing down to suitable size, the connection of mirror sheath connector 200 and mirror sheath is opened, receipts It receives bag 400 and connecting tube 300 is taken out from mirror sheath.

Embodiment 2

Embodiment 2 and 1 difference of embodiment are the setting of storage pocket 400, as shown in fig. 6,400 sack of storage pocket with connect (i.e. sack is parallel with connecting tube, and certainly, wire is bent according to actual needs makes sack upwarp or downwards at 0 ° of angle for pipe 300 Tilt), the front end of connecting tube 300 is stretched into from the seamless unoccupied place of 400 side wall of storage pocket, and the front end of wire 111 is from before connecting tube 300 End upper side walls are pierced by, and connecting tube 300 is located at the end in storage pocket 400 and is equipped with osculum 302；Tensing wire 500 makes receipts 400 sack of bag of receiving can wrap up the front end of connecting tube 300 when tightening.In this embodiment, the water in storage pocket 400 can pass through The front end discharge outlet 302 of connecting tube 300 enters, and is then discharged by connecting tube 300, can prevent the completely plugged company of tumor tissues The front end of take over 300.

Embodiment 3

Embodiment 3 is the setting of drawing piece with 1 difference of embodiment, includes the setting of sliding block 102 and guide groove 103, leads It is located on 112 side wall of handle main body to slot 103 and is located at 109 outside of the first cavity, 103 bottom of guide groove is in the first cavity 109 Protrusion is formed, the perforation that connecting pole 105 passes through altogether is positioned at the front end of protrusion, and sliding block 102 is by clip mode slide fit in guide groove In 103.

Embodiment 4

Embodiment 4 is the setting of drawing piece with 1 difference of embodiment, specially：112 side wall of handle main body is equipped with ear body 111, ear body 111 is equipped with guide hole 113, and the bending of 113 front half section of guide hole is communicated with the first cavity 109,113 second half section of guide hole and hand Handle main body 112 is parallel, and drawing piece includes the guide rod 114 and be connected to 114 rear end of guide rod that activity was interspersed in 113 second half section of guide hole Draw ring 115, power cord 106 be set to 114 rear end of guide rod；500 rear end of wire passes through guide rod 114 and electricity after penetrating guide hole 113 Source line 106 connects.

In embodiment 3 and 4, by post-tensioning or it is pushed forward sliding block 102 and draw ring 115, can equally tighten or loosen wire 500, and then 400 sack of storage pocket of front end can be made to tighten or open.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of tumor of bladder cutting device comprising connecting tube, wire and handle, the wire are folded in half into two-wire and are threaded through In the connecting tube, the fold back portion of the front end of wire is pierced by from the connecting tube front end and opens annular in shape, the hand Handle is connected to the connecting tube rear end；It is characterized in that：

The connecting tube front end is connected with storage pocket, and wire front end annular in shape is connected to the storage pocket sack week Edge, the wire are located at the partial denudation in sack forward position as cutting silk, and the both ends of the cutting silk and the storage pocket are solid It connects, the outside of part of the wire in addition to the cutting silk has insulating layer；

The handle includes columnar handle main body, and the connecting tube back-end sealing is plugged in the handle main body front end, described Handle main body is internally provided with the first cavity, and the handle main body is equipped with pipe fitting, the connecting tube tube chamber, the first cavity and pipe Connector communicates composition aquaporin；

The handle main body is equipped with the drawing piece that can be moved forward and backward in an axial direction, and the drawing piece is equipped with power cord；

The wire passes through the connecting tube tube chamber and the first cavity, and two ends of the wire rear end are from handle main body Side wall be pierced by and connect with the power cord by the drawing piece.

2. tumor of bladder cutting device as described in claim 1, which is characterized in that the handle main body second half section be internally provided with The second cavity that first cavity communicates, the second cavity diameter be less than the first cavity diameter, second cavity, First cavity and connecting tube tube chamber composition endoscope path way are passed in and out for endoscope, and the second cavity rear end open supplies Endoscope passes in and out and is equipped with the endoscope interface for being connected and fixed endoscope.

3. tumor of bladder cutting device as claimed in claim 2, which is characterized in that the handle main body side wall is equipped with axial lead To slot, the guide groove front end face is equipped with the perforation connected with first cavity, and the drawing piece is slide fit in the guiding Sliding block in slot, the power cord are set to behind the sliding block, and connecting pole is equipped with before the sliding block, and the connecting pole prolongs forward It stretches and the perforation is passed through to stretch into first cavity；The wire rear end penetrates the connecting pole and two ends pass through institute Sliding block is stated to connect with the power cord.

4. tumor of bladder cutting device as claimed in claim 2, which is characterized in that the handle main body side wall is equipped with ear body, Guide hole is equipped in the ear body, the guide hole front half section bending is communicated with first cavity, the guide hole second half section and institute State that handle main body is parallel, the drawing piece includes the guide rod and be connected to the guide rod that activity was interspersed in the guide hole second half section The draw ring of rear end, the power cord are set to the guide rod rear end；The wire rear end passes through described lead after penetrating the guide hole Bar is connect with the power cord.

5. tumor of bladder cutting device as described in claim 1, which is characterized in that the sack week of the storage pocket is several along being equipped with It moves close to somebody's ear, wire front end annular in shape sequentially passes through described several move close to somebody's ear.

6. tumor of bladder cutting device as described in claim 1, which is characterized in that the connecting tube front end be equipped with it is several can be by institute State the osculum that storage pocket sealing cover is lived.

7. tumor of bladder cutting device as claimed in claim 6, which is characterized in that the storage pocket sack and the connecting tube At -30 °~+30 ° angles, the front end of the connecting tube is stretched into from the seamless unoccupied place of storage pocket side wall, the front end of the wire From the connecting tube front end, upper side walls are pierced by, and the osculum is located at the end in the storage pocket set on the connecting tube； The front end of the connecting tube can be wrapped up by pulling the wire when storage pocket sack being made to tighten.

8. tumor of bladder cutting device as claimed in claim 6, which is characterized in that the storage pocket sack and the connecting tube at The front end at+30 °~+90 ° angles, the wire is pierced by from connecting tube front end both sides, the front end of the connecting tube with it is described The side wall of storage pocket is seamless to be connected, the osculum set on the connecting tube front end be located in the storage pocket below side wall On.

9. such as claim 1~8 any one of them tumor of bladder cutting device, which is characterized in that the handle further includes installation Seat and hand-held ring, the mounting base are fixedly arranged on the handle main body rear end and vertical with the handle main body, and the hand-held ring hangs down Directly it is rotationally connected with the mounting base end.

10. such as claim 1~8 any one of them tumor of bladder cutting device, which is characterized in that be arranged in the connecting tube Mirror sheath connector.