CN209422036U - A kind of medical tissue pincers - Google Patents

Abstract

The utility model is clamped about a kind of medical tissue, and medical tissue pincers include outer tube, and distal end is connected with pedestal, the junction with pedestal is provided with binding clip arm, can form opening between binding clip arm and pedestal, proximal end is connected with the distal end of rail portion；Transmission Part, distal end are connected with binding clip arm proximal end, and proximal end is connected after passing through outer tube with sliding part；Sliding part can be slided independently in rail portion, the opening size by sliding control binding clip arm relative to pedestal, so that opening opens and closes independently of one another；Rail portion is equipped with guide rail sticking department, and sliding part is equipped with slide lock portion, and slide lock portion and guide rail sticking department can realize disengaging and locking, so that the fixation and positioning that control binding clip arm without maintaining its state manually.Medical tissue pincers are easily operated, and the difficulty of wound suture can be effectively reduced, and improve success rate of operation.

Description

A kind of medical tissue pincers

Technical field

The utility model relates to a kind of medical instrument, especially a kind of alimentary canal surgical instrument.

Background technique

In recent years, with the rapid development of endoscope diagnosis and treatment, digestive system such as intestines, stomach perforation can also be with the help of scope It is directly closed, exempts the wound that patient is performed the operation.For scope perforation diagnosis and treatment, currently used hemostatic fashion is hemostasis pinching Blood, but since existing hemostatic clamp opening size is relatively small, be difficult when being closed for the biggish surface of a wound or Alimentary Tract Perforation Accomplish that quick-acting haemostatic powder or folder close, in emergency circumstances even relies only on abdominal, created with the help of surgeon Face hemostasis or suture operation；Not only the surface of a wound big recovery time is long for abdominal, and time and economic cost are also relatively high.

Apparatus for ligating currently on the market, if pocket ring needs multiple hemostasis clip means of complementary annular to clamp surface of a wound edge, from And the surface of a wound is tightened, ratio that is big because of the surface of a wound when tightening the surface of a wound, causing hemostatic clamp to fall into the surface of a wound hemostatic clamp increases more. This mode not only wastes certain medical resource, also increases the pain and financial burden of patient.

Therefore it is badly in need of wanting a kind of instrument of big opening come such issues that assist, and solve.

Utility model content

In view of aforementioned the shortcomings of the prior art, the utility model provides a kind of medical tissue pincers, have opening big and The big surface of a wound of alimentary canal fast and effeciently can be reduced into the lesser surface of a wound by the lasting advantage of chucking power, so that the larger surface of a wound Suturing difficulty reduces.In addition to this, the utility model is also able to achieve single armed control, and the self-locking function of utilization sliding part can incite somebody to action Binding clip arm is locked in clamp position, without clamping manually, achievees the purpose that simplify operation.

In order to reach above-mentioned purpose of utility model, technological means used by the utility model is to design a kind of medical group Pincers are knitted, include

A kind of medical tissue pincers, which is characterized in that the medical tissue pincers include: outer tube, are had proximally and distally, close End is connected with the distal end of rail portion, and distal end is connected with pedestal, and binding clip arm, including first are equipped at the two sides of the pedestal Binding clip arm and the second binding clip arm, the first binding clip arm and the second binding clip arm can form opening between pedestal respectively；It passes Defeated part, including the first Transmission Part and the second Transmission Part, first Transmission Part and the second Transmission Part distal end can be respectively with described the One binding clip arm is connected with the proximal end of the second binding clip arm, passes through the outer tube, and proximal end is sliding with the first of sliding part respectively Dynamic portion is connected with the second sliding part, wherein first sliding part and the second sliding part can be independently sliding in the rail portion It is dynamic, the opening size of the first binding clip arm and the second binding clip arm relative to pedestal is independently controlled by sliding, so that the opening It opens and closes independently of one another, the picked up tissue that is open can be clamped and be tightened respectively；The rail portion is equipped with and leads Rail sticking department, the sliding part are equipped with slide lock portion, and the guide rail sticking department and the slide lock portion can be achieved to be detached from With locking, to control the positioning and fixation of the first binding clip arm and the second binding clip arm respectively.

The utility model has the advantage of using arm structure, be able to achieve dual openings, quickly reduce the big surface of a wound of alimentary canal For the lesser surface of a wound；Two binding clip arm configurations of the utility model are symmetrical, do not interfere with each other, are able to achieve single armed control；This is practical new Type also uses a kind of distinctive self-locking structure, and when sliding part is without external force, guide rail sticking department and slide lock portion are in locking State, the first sliding part and the second sliding part and its corresponding first binding clip arm and the second binding clip arm will be locked；Work as binding clip When arm needs to open, the first sliding part and/or the second sliding part are pushed, slide lock portion and guide rail sticking department will be in de- at this time The angle of each binding clip arm opening and opening for each binding clip arm are controlled by movement of the sliding part in rail portion from state It closes.In addition it can use the self-locking function and binding clip arm be locked in the folding condition of needs without maintaining manually.

Preferably, the medical tissue pincers, the guide rail sticking department are guide rail engaging section, and the slide lock portion is pressing Engaging section, the guide rail engaging section and pressing engaging section can realize disengaging and engagement, to control the first binding clip arm respectively With the positioning and fixation of the second binding clip arm.

Preferably, the medical tissue pincers, the pressing engaging section include pressing piece and spring element, are pushed when by external force The pressing engaging section and the guide rail engaging section, which are realized, when pressing piece is detached from；It is described when no external force pushes the pressing piece Pressing engaging section and guide rail engaging section are in meshing state always.

Preferably, the medical tissue clamps, and two sides corresponding with the first binding clip arm and the second binding clip arm are each on the pedestal Equipped at least one boss.The quantity of boss be both sides at least one, quantity is not limited at this.The shape of boss can be with For triangle, the shapes such as rectangle are not limited herein.The purpose of boss is to enable middle base to play better anchoring Effect auxiliarily clamps the tissue of gastrointestinal tract large perforation respective side, improves and clamps to gastrointestinal tract large perforation respective side tissue Reliability, avoid the tissue accidental release of gastrointestinal tract large perforation side.

Preferably, in boss corresponding position on the inside of the medical tissue pincers, the first binding clip arm and the second binding clip arm The concave station of corresponding number is set, and the shapes and sizes of the concave station recess are consistent with the shapes and sizes that boss protrudes.

Preferably, medical tissue pincers, in order to avoid the endoscope of cooperation operation is impaired, the pedestal is equipped with anchor Outer profile is in approximate circle after fixed end, the anchored end and binding clip arm distal end are closed.

Preferably, medical tissue pincers, the outer tube are double lumen tube, and the first transmission assembly can pass through the one of double lumen tube A channel, the second transmission assembly can pass through another channel of double lumen tube.

Preferably, medical tissue pincers, also include internal plastic tube between the outer tube and Transmission Part, and the internal plastic tube is Single lumen catheter or double lumen tube, first Transmission Part and the second Transmission Part pass through the internal plastic tube, and the outer tube accommodates the interior modeling Pipe.

Preferably, medical tissue pincers, the opening is multiple openings that quantity is greater than two, and is had corresponding The rail portion and the sliding part and the transmission assembly, realize the opening and closing of the opening.

The utility model provides a kind of medical tissue pincers, which can be quickly and efficiently by the big surface of a wound of alimentary canal It is reduced into the lesser surface of a wound, cooperation commonly uses hemostatic clamp product to suture the small surface of a wound；The dual openings characteristic of product and continue Chucking power can adapt to all kinds of gastrointestinal tract acute bleedings, fistula, crack, perforation so that the larger surface of a wound rapid suture become can Energy.

Detailed description of the invention

Fig. 1 is the overall schematic of one alternative embodiment binding clip both arms opening state of the utility model；

Fig. 2 is one alternative embodiment binding clip single armed opening state schematic diagram of the utility model；

Fig. 3 is the overall structure of the explosion figure of one alternative embodiment of the utility model；

Fig. 4 a is the binding clip cross-sectional view of the utility model closed state；

Fig. 4 b is the binding clip top view of the utility model closed state；

Fig. 5 a, Fig. 6 a are the utility model alternative embodiment operating part structure explosive views；

Fig. 5 b, Fig. 6 b are the utility model alternative embodiment operation portion overall structure figures；

Fig. 7 a is that one alternative embodiment slide lock portion of the utility model and guide rail sticking department are detached from schematic diagram；

Fig. 7 b is one alternative embodiment slide lock portion of the utility model and guide rail sticking department locking schematic diagram.

Symbol description

11 pedestal, 111 anchored end

112 boss, 12 binding clip arm

12a the first binding clip arm 12b the second binding clip arm

121 13 transmission assemblies of binding clip arm distal end

13a the first transmission assembly the second transmission assembly of 13b

21 internal plastic tube, 22 outer tube

23 connector, 231 sheath

232 attachment cap, 31 rail portion

311 guide rail engaging section the first guide rails of 31a

32 pressing piece of the second guide rail of 31b

321 pressing 33 spring elements of engaging section

34 the first sliding parts of sliding part 34a

34b the second sliding part 34c first handle

The female slider of 34d second handle 341

Slot on 342 sub- 3411 sliders of slider

35 locating piece, 36 propelling piece

37 proximal handle parts

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this Utility model is not used to limit the utility model.Scope of the present application is not limited by these embodiments, is to apply Subject to the range of patent.And be that clearer description is provided and enables to be familiar with the application content that this those skilled in the art understands the application, Each section might not draw according to its opposite size in illustrating, and the ratio regular meeting of certain sizes and other scale dependents is convex It shows and the exaggeration that seems, and uncorrelated or unessential detail section is not also drawn completely, in the hope of the succinct of diagram.

The medical tissue that Fig. 1 to Fig. 3 gives the utility model clamps a kind of structural schematic diagram of embodiment and beating for binding clip Open state schematic diagram, Fig. 4 a and Fig. 4 b are the cross-sectional view and top view of the binding clip closed state of the utility model.The utility model Medical tissue pincers include outer tube 22, have proximally and distally, have elasticity and crushing resistance, the distal end of outer tube 22 can be with pedestal 11 are connected, and two binding clip arms 12a, 12b are rotatably connect with pedestal 11, have the Transmission Part 13a stretched with compression strength, The distal end 13b is connected with the binding clip arm proximal end 12a, 12b respectively, and Transmission Part 13a, 13b may pass through outer tube 22, Transmission Part 13a, 13b's Proximal end is connected with the sliding part 34 of operation portion, and operation portion includes rail portion 31 and sliding part 34, can also be equipped on sliding part 34 Grasping part, grasping part can open binding clip arm 12a, 12b to a direction movement, and movement can close binding clip arm in the opposite direction 12a, 12b, i.e. sliding part 34 move openable binding clip arm 12a, 12b towards the proximal end of outer tube 22.

Two binding clip arms 12a, 12b can be hinged and connected with pedestal 11 to be connect, and is arranged symmetrically in 11 two sides of pedestal, two A binding clip arm 12a, 12b can be rotated in radial directions relative to the axis of the medical tissue clamp device of the utility model.Transmission The distal end part 13a, 13b is each passed through the binding clip arm proximal end 12a, 12b to realize the rotation connection with binding clip arm, Transmission Part 13a, The proximal end of 13b penetrates in outer tube 22.In order to enable pedestal 11 and two binding clip arms 12a, 12b can be played more in the course of work Good anchoring effect, preferably clamping gastrointestinal tract large perforation tissue, improve the reliability clamped to gastrointestinal tract large perforation tissue, keep away Exempt from the tissue accidental release of gastrointestinal tract large perforation, pedestal 11 and binding clip arm 12a, 12b are upper settable corresponding a certain number of Convex-concave structure.In diagram 4a, pedestal 11 is equipped with 4 boss 112, and boss 112 is rectangle, and the quantity of boss 112 is a left side Each two of right two sides, the shape and quantity of boss 112 are not limited with above-mentioned, and boss 112 is only wanted can be convex relative to middle base pedestal Out, play the role of anchoring.In order to agree with pedestal 11 and binding clip arm 12a, 12b can, correspondingly with pedestal boss 112 Set the groove of the settable corresponding number in the position corresponding binding clip arm 12a, 12b.In addition such as Fig. 4 b, anchoring can be equipped on pedestal 11 End 111, the shape of anchored end 111 can according to need design, so that energy after 121 closure of anchored end 111 and binding clip arm distal end An approximate circle outer profile is formed, so that the endoscope of protection cooperation operation is not damaged, and in the process for entering enteron aisle In do not damage enteron aisle.

Transmission Part 13a, 13b is inserted into outer tube 22, in order to not interfered between internal Transmission Part 13a, 13b, outer tube 22 can be designed as double cavity structure.Transmission Part 13a in order to prevent, 13b are wound in outer tube 22, outer tube 22 and Transmission Part It also may include internal plastic tube 21 between 13a, 13b, outer tube 22 is single cavity structure at this time, and internal plastic tube 21 can be single lumen catheter or two-chamber Pipe, Transmission Part 13a, 13b penetrate internal plastic tube 21, are loaded into outer tube 22.Then outer tube 22 is packed into connector 23, connection Part includes attachment cap 232 and sheath 231, and attachment cap 232 is connected with sheath 231, is then packed into outer tube 22 wherein, connector 23 proximal ends are connected with operation portion distal end, so that Transmission Part 13a, 13b enter operation portion, and then and operation portion by connector 23 It is connected, operation portion is by carrying out operation to Transmission Part 13a, 13b to control the opening and closing of binding clip arm 12a, 12b.

Operation portion includes rail portion 31 and sliding part 34, two distal ends guide rail 31a, 31b of rail portion 31 and connector 23 It is connected, two proximal ends guide rail 31a, 31b link together, and can be equipped with grasping part, such as handle thereon.On two guide rails 31a, 31b It is respectively equipped with sliding part 34, i.e. the first sliding part 34a and the second sliding part 34b, the first sliding part 34a and the second sliding part 34b It can be respectively relative to guide rail 31a, 31b sliding, sliding part 34 includes propelling piece 36, locating piece 35, female slider 341, son cunning Movable plate 342, pressing piece 32 and spring element 33, Transmission Part 13a, 13b are connect with 36 one end of propelling piece, the other end of propelling piece 36 with Locating piece 35 connects, then locating piece 35 is packed into slot 3411 on the slider on female slider 341, then by pressing piece 32 and bullet Power part 33 is packed on female slider 341, and finally sub- slider 342 is buckled on female slider 341.May be used also on sliding part 34 Equipped with grasping part, such as handle, grasping part can open binding clip arm 12a, 12b to a direction movement, and movement can in the opposite direction To close binding clip arm 12a, 12b, i.e. sliding part 34 moves openable binding clip arm 12a, 12b towards outer tube 22.First sliding part 34a It can be slided respectively relative to guide rail 31a, 31b with the second sliding part 34b, and manipulate transmission assembly 13a, 13b respectively, thus point Not Kong Zhi binding clip arm 12a, 12b, i.e. the first sliding part 34a can slide along the first guide rail 31a, thus control its ipsilateral first Transmission assembly 13a individually controls the first binding clip arm 12a open or close in turn；Second sliding part 34b can be along the second guide rail 31b Sliding, to control its second ipsilateral transmission assembly 13b and then individually control the second binding clip arm 12b open or close.

The utility model operation portion is also able to achieve positioning and self-locking function.It, which is realized, positions with the process of self-locking function such as Under: slide lock portion is set on sliding part 34, guide rail sticking department is set in rail portion 31.In the reality that the utility model is given It applies in example, slide lock portion is pressing engaging section, and guide rail sticking department is guide rail engaging section, and slide lock portion and guide rail sticking department are also Other forms can be used, it can be with as long as being able to achieve locking and detachment function.Slide lock portion is pressing engaging section comprising Spring element 33 and pressing piece 32, it is guide rail engaging section that guide rail, which locks position, and pressing engaging section can be engaged with guide rail engaging section 311 And disengaging.In implementation process, when apply active force in pressing piece 32 when, pressing piece 32 is pushed, at this time press engaging section with Guide rail engaging section 311 is mutually disengaged, and sliding part 34 can be slided freely in rail portion 31, can be mobile by sliding part 34 The far and near size to control medical calm opening of distance.When no longer applying pressure to pressing piece 32, spring element 33 is because of bullet Power effect will push pressing piece 32 that pressing engaging section is engaged with the realization of guide rail engaging section 311, and sliding part 34 at this time is just fixed Position here, to realize the positioning of binding clip arm 12.The medical tissue pincers of the utility model use distinctive mechanical self-latching structure, Can control distal end side binding clip arm, and when tissue forceps is in the state without external force, sliding part 34 stand at this time and It presses engaging section and guide rail engaging section 311 is in engagement locking state；When binding clip arm 12 needs to open, single armed or both arms are pushed Pressing piece 32 to press engaging section and guide rail engaging section 311 is in discrete state, pushes sliding part, thus by binding clip arm It opens.The medical tissue pincers of the utility model can according to need the folding of individually control side binding clip arm, and can be determined Position does not need to manually control its positioning in fixed position.

Fig. 1-Fig. 3 is the first embodiment of the utility model, and the guide rail 31a, 31b of rail portion are equipped with guide rail engaging section 311, pressing engaging section includes the pressing piece 32 and spring element 33 on female slider 341, presses engaging section and guide rail engagement Portion 311 can engage or be detached from, to realize positioning and the self-locking function of sliding part.The present embodiment is able to achieve singlehanded manipulation, Implementation process is as follows: the grasping part of operation portion is designed as handle arrangement, and three thumb, index finger and middle finger fingers respectively penetrate operation In three holes of the handle in portion, wherein thumb penetrates in proximal handle part 37, and index finger penetrates in diagram second handle 34d, middle finger It penetrates in diagram first handle 34c.Sliding part 34a and second where the first handle 34c of the utility model medical tissue pincers Sliding part 34b where handle 34d can be separated and individually be slided, control respectively medical tissue pincers two sides binding clip arm 12a and By the motion control binding clip arm 12b folding of driving Transmission Part 13b, first handle 34c, which passes through to drive, to be passed by 12b, second handle 34d The motion control binding clip arm 12a of defeated part 13a is opened and closed.If individually pushing middle finger, only binding clip arm 12a is opened, and opening state is such as Shown in Fig. 2, if pushing index finger and middle finger simultaneously, left side binding clip arm 12b and right side binding clip arm 12a can be opened simultaneously, open shape State is as shown in Figure 1.The medical tissue pincers of the utility model use distinctive mechanical self-latching structure, can control distal end side binding clip Arm, and when tissue forceps is in the state without external force, sliding part 34 stands at this time and presses engaging section and guide rail engagement Portion 311 is in engagement locking state；When binding clip arm 12 needs to open, push single armed or both arms pressing piece 32 that pressing is engaged Portion and guide rail engaging section 311 are in discrete state.By guide rail engaging section 311, spring element 33 is specific single between pressing piece 32 It designs to self-locking structure, so that medical tissue pincers can be positioned at suitable position when in use, while being controlled by positioning The size of binding clip arm 12a, 12b opening size, realization enduringly clamp.

Fig. 5 a, 5b, 6a, 6b is other two embodiment of the utility model, and working principle is identical with the first embodiment. Its implementation process is as follows: the grasping part of operation portion is set as handle arrangement, and a hand holds proximal handle part 37, and another hand is pressed The pressing piece 32 in the first sliding part 34a or the second sliding part 34b is pressed, engaging section is pressed at this time and guide rail engaging section 311 is detached from, Sliding part 34 can be moved relative to rail portion 31.The first sliding part 34a and second of the utility model medical tissue pincers is sliding Dynamic portion 34b can separate individually activity, control the folding of medical tissue pincers the first binding clip arm 12a and the second binding clip arm 12b respectively. If pressing the pressing piece 32 of the first sliding part 34a, and the first sliding part 34a is pushed simultaneously, the first binding clip arm 12a is opened at this time； If pressing the pressing piece 32 of the second sliding part 34b, and the second sliding part 34b is pushed simultaneously, the second binding clip arm 12b is opened at this time. When stopping pressing, spring element 33 will push pressing piece 32 to press engaging section and guide rail engaging section 311 because elastic force acts on Realize engagement, sliding part 34 will be positioned in this at this time, and then realize the positioning function to binding clip arm 12.

Fig. 7 a is that the pressing engaging section of the utility model first embodiment and guide rail engaging section 311 are detached from schematic diagram, Fig. 7 b For the pressing engaging section and 311 mesh schematic representation of guide rail engaging section of the utility model first embodiment.Make when applying to pressing piece When firmly, pressing engaging section will be disengaged from guide rail engaging section 311, as shown in Figure 7a, can push sliding part 34, sliding part at this time 34 can be free to slide in rail portion 31, to control the opening angle of binding clip arm 12；When there is no external force, pressing engagement Portion and guide rail engaging section 311 will be in meshing state, and as shown in Figure 7b, sliding part 34 will be fixed relative to rail portion 31 at this time, Binding clip arm 12 is also fixed, and realizes fixation and positioning function to binding clip arm 12.

The medical tissue pincers of the utility model, which are more than described in embodiment, to be had there are two opening, can also be had Open amount is greater than two multiple openings.In order to realize three or four or more openings, it is only necessary to which matching design is corresponding Rail portion and sliding part and Transmission Part can be realized.

Major function of the utility model in the normal ESD gastric operation of progress is as follows: needing to carry out the larger surface of a wound When the operation of closure, surface of a wound folder is closed in place, the big surface of a wound is made to become two small surface of a wound.Specific steps are as follows: Routine is carried out first to prepare into mirror, the tissue forceps of the utility model is passed through to a channel of endoscope, then by 11 anchor of pedestal Due to surface of a wound proper site, wherein one side binding clip arm 12a is flared to suitable openings of sizes for promotion, clamps the surface of a wound on wherein one side And tighten, when stop push when, press engaging section 321 and guide rail engaging section 311 engagement and it is self-locking, so that binding clip arm 12a is locked Tightly.Mobile scope insertion end clamps binding clip arm 12b and tightens the another side surface of a wound to surface of a wound another side, It completes the original larger surface of a wound becoming two small surface of a wound.Conventional hemostatic clamp is entered by another channel of endoscope at this time, successively The lesser surface of a wound is sutured, until all suture this medical tissue of backed off after random clamps the surface of a wound.It, can be in order to perform the operation more smoothly First respectively add a hemostatic clamp on the both sides of tissue forceps, carries out conventional surface of a wound closure operation after the pincers that withdraw from an organization again.

The utility model only needs to cooperate conventional hemostatic clamp, can complete the closure of the big surface of a wound, can be improved alimentary canal The quality of endoscopic surgery shortens operating time, has the advantages of simple to operate, stabilized structure.

The above is only the preferred embodiment of the utility model, is not done in any form to the utility model Limitation, although the utility model is disclosed above with preferred embodiment, is not intended to limit the utility model, any to be familiar with Professional and technical personnel, in the range of not departing from technical solutions of the utility model, when in the technology using the disclosure above Hold the equivalent embodiment made a little change or be modified to equivalent variations, but all without departing from technical solutions of the utility model Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still It is within the scope of the technical solutions of the present invention.

Claims (9)

1. a kind of medical tissue pincers, which is characterized in that the medical tissue pincers include: outer tube, are had proximally and distally, proximal end It is connected with the distal end of rail portion, distal end is connected with pedestal, and binding clip arm, including the first pincers are equipped at the two sides of the pedestal Head arm and the second binding clip arm, the first binding clip arm and the second binding clip arm can form opening between pedestal respectively；Transmission Part, including the first Transmission Part and the second Transmission Part, first Transmission Part and the second Transmission Part distal end can be respectively with described first Binding clip arm is connected with the proximal end of the second binding clip arm, passes through the outer tube, and proximal end is slided with the first of sliding part respectively Portion is connected with the second sliding part, wherein first sliding part and the second sliding part can be independently sliding in the rail portion It is dynamic, the opening size of the first binding clip arm and the second binding clip arm relative to pedestal is independently controlled by sliding, so that the opening It opens and closes independently of one another, the picked up tissue that is open can be clamped and be tightened respectively；The rail portion is equipped with and leads Rail sticking department, the sliding part are equipped with slide lock portion, and the guide rail sticking department and the slide lock portion can be achieved to be detached from With locking, to control the positioning and fixation of the first binding clip arm and the second binding clip arm respectively.

2. medical tissue pincers according to claim 1, which is characterized in that the guide rail sticking department is guide rail engaging section, institute Slide lock portion is stated as pressing engaging section, the guide rail engaging section and pressing engaging section can realize disengaging and engagement, thus respectively Control the positioning and fixation of the first binding clip arm and the second binding clip arm.

3. medical tissue pincers according to claim 2, which is characterized in that the pressing engaging section includes pressing piece and elastic force Part, when pushing pressing piece by external force, the pressing engaging section and the guide rail engaging section, which are realized, is detached from；When no external force pushes When the pressing piece, the pressing engaging section and guide rail engaging section are in meshing state always.

4. medical tissue pincers according to claim 1, which is characterized in that clamped on the pedestal with the first binding clip arm and second The corresponding two sides of head arm are respectively provided at least one boss.

5. medical tissue pincers according to claim 4, which is characterized in that on the inside of the first binding clip arm and the second binding clip arm In the concave station of boss corresponding position setting corresponding number, the shapes and sizes of concave station recess and the shape of boss protrusion and It is in the same size.

6. medical tissue pincers according to claim 1, which is characterized in that the pedestal is equipped with anchored end, the anchoring Outer profile is in approximate circle after end and binding clip arm distal end are closed.

7. medical tissue pincers according to claim 1, which is characterized in that the outer tube is double lumen tube, the first transmission assembly It can pass through another channel of double lumen tube by a channel of double lumen tube, the second transmission assembly.

8. medical tissue pincers according to claim 1, which is characterized in that also include interior modeling between the outer tube and Transmission Part Pipe, the internal plastic tube are single lumen catheter or double lumen tube, and first Transmission Part and the second Transmission Part pass through the internal plastic tube, described outer Tube capacity receives the internal plastic tube.

9. medical tissue according to claim 1 pincers, which is characterized in that the opening is that multiple greater than two of quantity open Mouthful, and the opening and closing that there is the corresponding rail portion and the sliding part and the Transmission Part to realize the opening.