CN210170101U

CN210170101U - Endoscopic cutting anastomat body capable of maintaining pneumoperitoneum pressure

Info

Publication number: CN210170101U
Application number: CN201920345468.2U
Authority: CN
Inventors: Minfeng Shen; 沈敏峰; Junhong Pi; 皮君红; Ming Wu; 吴铭
Original assignee: CHANGZHOU ANKER MEDICAL TECHNOLOGY Co Ltd
Current assignee: CHANGZHOU ANKER MEDICAL TECHNOLOGY Co Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-03-24
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses a can maintain cutting anastomat body under chamber mirror of pneumoperitoneum pressure, including casing and movable handle, the inside drive mechanism that is equipped with of casing, casing front end rotatable coupling has the twist grip, the twist grip front end is connected with the sleeve pipe, the sleeve pipe includes outer tube and interior sleeve pipe, and the inside mobile connecting rod of wearing to be equipped with of interior sleeve pipe, the intraductal portion of cover still is equipped with seal assembly. The utility model discloses a set up seal assembly between sleeve pipe and twist grip to and at sleeve pipe and the subassembly junction of keeping silent, outer tube and interior sleeve connection department set up the elastic sealing lasso respectively, make the intraductal portion of cover of this cutting anastomat form airtight structure, reduce the gas leakage phenomenon that the intracavity gas of performing the operation took place through the clearance between each parts on the traditional cutting anastomat, effectively avoid leading to the morning and evening tides phenomenon that the operation field of vision produced because of atmospheric pressure is unstable, further improve doctor's operation stability, reliability and operation efficiency.

Description

Endoscopic cutting anastomat body capable of maintaining pneumoperitoneum pressure

Technical Field

The utility model relates to a medical treatment surgical supplies especially relates to a can maintain cutting anastomat body under chamber mirror of pneumoperitoneum pressure for be connected with the subassembly of keeping silent, can be applied to excision, the transection and the coincide of tissue in the minimal access surgery.

Background

The endoscope cutting anastomat is an instrument which can linearly nail a plurality of anastomotic nails which are arranged in a staggered mode on human tissues and cut off the tissues between the anastomotic nail lines by a cutting knife, the instrument is provided with 6 rows of staples which are arranged in a staggered mode, the tissues can be effectively sutured, a good hemostatic effect is provided, and the endoscope cutting anastomat is suitable for excision, transverse cutting and anastomosis of the tissues in open type or endoscopic surgery of abdominal surgery, gynecology, pediatrics and thoracic surgery.

When the cutting anastomat is used for surgery, firstly, the jaw assembly at the front end of the cutting anastomat enters the inner cavity of a human body through the instrument channel on the puncture outfit, and a surgeon operates the movable handle, the rotating assembly and other devices under the monitoring and guiding of the high-tech display screen to control the axial rotation and the joint rotation of the jaw assembly so as to align to the anastomotic tissue to be cut and perform anastomotic cutting and other operations on the tissue. During the surgical procedure, a clear surgical field is critical to ensure the safety and success of the procedure. In order to ensure a clear surgical field, constant pneumoperitoneum pressure is generally required to be maintained in the surgical cavity, and if the pneumoperitoneum pressure is unstable, the surgical field in the surgical cavity is large and small, a tide-like phenomenon is generated, and the stability and the safety of the surgery are affected. However, in the existing cutting stapler, due to gaps existing at the joints of the various components, the gas in the surgical cavity is often leaked, which is not favorable for maintaining the stability of the pneumoperitoneum pressure in the surgical cavity. Therefore, in order to further improve the stability and safety of the operation, it is necessary to improve the structure of the existing cutting stapler body.

SUMMERY OF THE UTILITY MODEL

To the technical problem that above-mentioned exists, the utility model provides a can maintain the stapler body of cutting under chamber mirror of pneumoperitoneum pressure for connect the subassembly of keeping silent, at the in-process of carrying out the osculating operation to the tissue, can effectively maintain pneumoperitoneum pressure, avoid the morning and evening tides phenomenon that leads to the operation field of vision to produce because of the operation intracavity atmospheric pressure is unstable, further improve doctor's operation stability, reliability and operation efficiency.

The utility model discloses the technical scheme who adopts as follows: the utility model provides a can maintain cutting anastomat body under chamber mirror of pneumoperitoneum pressure, includes casing and activity handle, activity handle and casing movably articulated, the casing is inside to be equipped with drive mechanism, activity handle and drive mechanism drive are connected, casing front end swivelling joint has the twist grip, the twist grip front end is connected with the sleeve pipe, the sleeve pipe includes outer tube and interior sleeve pipe, the outer tube rear end is connected with twist grip front end surface, the outer tube periphery is located interior sleeve pipe to the sleeve pipe periphery, interior sleeve pipe rear end extends to the twist grip inside, the interior sleeve pipe inside movably wears to be equipped with the connecting rod, the connecting rod can carry out axial activity in interior sleeve pipe inside, connecting rod one end is connected with drive mechanism, the sleeve pipe inside still is equipped with seal assembly, seal assembly includes the sealing washer, the sealing washer is located the twist grip front end, and the sealing washer is, the sealing assembly further comprises a fifth elastic sealing ferrule, the fifth elastic sealing ferrule is arranged between the inner sleeve and the connecting rod, the fifth elastic sealing ferrule and the first elastic sealing ferrule are located in the same vertical plane, and a fourth elastic sealing ferrule is further arranged between the sealing ring and the outer sleeve.

Further, the rotary handle is further provided with a knob assembly, the knob assembly is connected with a movable push plate, the other end of the movable push plate movably penetrates through a second through hole formed in the sealing ring, the movable push plate can reciprocate in the second through hole, and a second elastic sealing ferrule is arranged on the wall of the second through hole.

Furthermore, the front end of the inner sleeve is also provided with a connecting sleeve, the outer diameter of the connecting sleeve is equal to that of the outer sleeve, the rear end of the connecting sleeve is connected with the front end of the outer sleeve in a sealing mode through a sixth elastic sealing ferrule, and the front end face of the connecting sleeve is also provided with a seventh elastic sealing ferrule.

Further, the twist grip surface still is equipped with slidable uninstallation button, uninstallation button one end extends to interior sleeve pipe one side, and this end is connected with the uninstallation gleitbretter, the third through hole that is equipped with on the sealing washer is worn to establish by the uninstallation gleitbretter other end, and this end supports with the adapter sleeve rear end, is equipped with the bayonet socket between uninstallation gleitbretter and the adapter sleeve, still is equipped with the uninstallation reset spring between uninstallation gleitbretter and the interior sleeve pipe surface, and the uninstallation gleitbretter can carry out reciprocating motion in the third through hole, still be equipped with the third elastic sealing lasso on the.

The utility model has the advantages that: through set up seal assembly between sleeve pipe and twist grip, and at sleeve pipe and the subassembly junction of keeping silent, outer tube and interior sleeve connection department set up the elastic sealing lasso respectively, make the intraductal airtight structure that forms of the cover of this cutting anastomat body, reduce the gas leakage phenomenon that the intracavity gas of performing the operation took place through the clearance between each part on the traditional cutting anastomat, therefore can maintain a invariable pneumoperitoneum pressure betterly, effectively avoid leading to the morning and evening tides phenomenon that the operation field of vision produced because of inside atmospheric pressure of operation chamber is unstable, further improve doctor's operation stability, reliability and operation efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of the inside of the housing in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a sleeve according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a sleeve in an embodiment of the present invention;

FIG. 5 is a partial enlarged view of portion A of FIG. 4;

fig. 6 is a schematic structural diagram of a seal ring in an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a knob assembly according to an embodiment of the present invention;

in the figure: 1-shell, 2-movable handle, 21-propelling block, 3-transmission mechanism, 31-transmission rack, 32-limiting device, 33-backstop device, 34-reset device, 4-rotating handle, 41-upper rotating handle, 411-steering seat, 412-gear adjusting piece, 413-gear positioning piece, 414-rotating handle cover, 415-gear adjusting rod, 4151-limiting piece, 416-gear positioning pin, 417-rotating head, 418-connecting plate, 419-ripple spring, 42-lower rotating handle, 421-unloading button, 422-unloading sliding piece, 423-unloading reset spring, 5-sleeve, 51-outer sleeve, 52-inner sleeve, 521-connecting sleeve, 522-sixth elastic sealing ferrule, 523-seventh elastic sealing collar, 53-connecting rod, 54-movable push plate, 6-sealing component, 61-sealing ring, 611-first through hole, 612-first elastic sealing collar, 613-second through hole, 614-second elastic sealing collar, 615-third through hole, 616-third elastic sealing collar, 617-fourth elastic sealing collar, 62-fifth elastic sealing collar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in the description of the technical solutions of the present invention, some directional words, such as "front", "rear", "upper", "lower", etc., used for clearly describing the technical features of the present invention are all according to the orientation of the drawings of the present invention.

Referring to fig. 1 to 6, an endoscopic cutting stapler body capable of maintaining pneumoperitoneum pressure and used for being connected with a jaw assembly and driving the jaw assembly to perform osculating operation on tissues comprises a housing 1 and a movable handle 2, wherein the movable handle 2 is movably hinged with the housing 1, a transmission mechanism 3 is arranged in the housing 1, the movable handle 2 is in driving connection with the transmission mechanism 3, a rotating handle 4 is rotatably connected to the front end of the housing 1, a sleeve 5 is connected to the front end of the rotating handle 4, the sleeve 5 is used for being butted with the jaw assembly, the sleeve 5 comprises an outer sleeve 51 and an inner sleeve 52, the rear end of the outer sleeve 51 is connected with the front end surface of the rotating handle 4, the outer sleeve 51 is sleeved on the periphery of the inner sleeve 52, the rear end of the inner sleeve 52 extends into the rotating handle 4, a connecting rod 53 is movably inserted in the inner sleeve 52, the connecting rod 53 can move axially inside the inner sleeve 52, one end of the connecting rod 53 is connected with the transmission mechanism 3, the other end of the connecting rod 53 is used for being connected with the jaw assembly, and drives the jaw assembly to complete the operations of closing, osculating and the like, a sealing assembly 6 is also arranged in the sleeve 5, the sealing assembly 6 comprises a sealing ring 61, the sealing ring 61 is arranged at the front end of the rotating handle 4, the sealing ring 61 is positioned between the outer sleeve 51 and the inner sleeve 52, the inner sleeve 52 passes through a first through hole 611 arranged on the sealing ring 61, a first elastic sealing ferrule 612 is arranged on the hole wall of the first through hole 611, the sealing assembly 6 further comprises a fifth elastomeric sealing ferrule 62, said fifth elastomeric sealing ferrule 62 being provided between the inner sleeve 52 and the connecting rod 53, and the fifth elastomeric sealing collar 62 is located in the same vertical plane as the first elastomeric sealing collar 612, a fourth elastic sealing ring 617 is arranged between the sealing ring 61 and the outer sleeve 51.

It will be appreciated that the sealing connection between the inner sleeve 52 and the sealing ring 61 is formed by a first elastic sealing ring 612, the sealing connection between the outer sleeve 51 and the sealing ring 61 is formed by a fourth elastic sealing ring 617, the sealing connection between the inner sleeve 52 and the connecting rod 53 is formed by a fifth elastic sealing ring 62, and the friction between the fifth elastic sealing ring 62 and the connecting rod 53 is not sufficient to hinder the axial movement of the connecting rod 53 inside the inner sleeve 52.

Specifically, refer to fig. 2, in this embodiment, the transmission mechanism 3 includes a transmission rack 31, the top end of the movable handle 2 is movably hinged to the pushing block 21, the movable handle 2 advances through the top end of the pushing block 21 to drive the transmission rack 31, a first return spring is connected between the pushing block 21 and the housing 1, the first return spring provides resilience for the rotation of the movable handle 2, a second return spring is further provided between the pushing block 21 and the transmission rack 31, the second return spring provides resilience for the rotation of the pushing block 21, the movable handle 2 is buckled, the pushing block 21 can drive the transmission rack 31 to advance, the transmission rack 31 drives the connecting rod 53 to advance, the jaw assembly is closed, and the tissues are anastomosed and cut and the like.

The transmission mechanism 3 also comprises a limiting device 32, the limiting device 32 comprises a limiting block and a starting rod which are respectively arranged inside the shell 1, the front part of the transmission rack is provided with a limiting groove, one end of the limiting block is arranged in the limiting groove, the other end of the limiting block is rotatably connected with the shell 1 through a limiting block torsional spring, the starting rod is arranged at the front end of the limiting block, a starting rod reset spring is arranged between the starting rod and the shell 1, the front end of the starting rod is sequentially connected with a push cylinder, an inner push pipe and an inner push plate, the push cylinder is arranged at the, and is positioned inside the rotating handle 4, the inner push pipe is sleeved inside the rear end of the inner sleeve 52, the connecting rod 53 can sequentially and movably penetrate through the inner push pipe and the push cylinder, the inner push plate is arranged inside the inner sleeve 52, and the surface of the inner push plate is provided with a guide block, the inner sleeve 52 is provided with a guide groove for the guide block to move, and the front end of the inner push plate is used for being butted with the jaw assembly. When the jaw assembly and the sleeve 5 are in an undocked state, the transmission rack 31 cannot be driven because the transmission rack 31 is limited by the limiting block; when the assembly of keeping silent docks with 5 front ends of sleeve pipes, the assembly of keeping silent promotes push pedal, push-in pipe, push cylinder and actuating lever rearward in proper order, and actuating lever promotes the stopper and rotates and breaks away from the spacing groove on the drive rack 31, and the stopper no longer restricts the activity of drive rack 31, can drive rack 31 through movable handle 2 this moment, utilizes the assembly of keeping silent to carry out osculating operation.

In addition, the transmission mechanism 3 further comprises a retaining device 33 for preventing the transmission rack 31 from retreating and a reset device 34 for controlling the jaw assembly to reset, and the structures of the devices are the prior art.

Further, referring to fig. 2, 4, 5 and 6, the rotating handle 4 is further provided with a knob assembly, the knob assembly is connected with a movable push plate 54, the other end of the movable push plate 54 movably penetrates through a second through hole 613 formed in the sealing ring 61, the movable push plate 54 can reciprocate in the second through hole 613, the movable push plate 54 is located between the inner sleeve 52 and the outer sleeve 51, a sliding groove for reciprocating the movable push plate 54 is formed in the surface of the inner sleeve 52, the movable push plate 54 is used for connecting a steering rod arranged in the jaw assembly, the movable push plate 54 can be controlled to reciprocate through the rotation of the knob assembly, so that the jaw assembly can swing left and right, and a second elastic sealing ring 614 is arranged on the wall of the second through hole 613.

It will be appreciated that the movable push plate 54 and the sealing ring 61 are sealingly connected by a second resilient sealing collar 614, and that the friction between the second resilient sealing collar 614 and the movable push plate 54 is not sufficient to prevent the movable push plate 54 from reciprocating within the second through-hole 613.

Specifically, referring to fig. 7, the rotating handle 4 includes an upper rotating handle 41 and a lower rotating handle 42 that are engaged with each other, a turning seat 411 is disposed on the upper rotating handle 41, the knob assembly includes a gear adjusting piece 412 and a gear positioning piece 413 disposed above the gear adjusting piece 412, an upper surface of the gear adjusting piece 412 is toothed, a positioning protrusion matched with the toothed upper surface of the gear adjusting piece 412 is disposed on a lower surface of the gear positioning piece 413, the gear adjusting piece 412 and the gear positioning piece 413 are both disposed in the turning seat 411, the gear adjusting piece 412 is circumferentially fixed with respect to the turning seat 411, a rotating handle cover 414 is engaged with a top end of the turning seat 411, the knob assembly further includes a rotatable gear adjusting rod 415, the gear adjusting rod 415 sequentially penetrates through the rotating handle cover 414, the gear positioning piece 413 and the gear adjusting piece 412, wherein the gear adjusting rod 415 and the gear positioning piece 413 are relatively fixed by engaging with each other, the gear adjusting rod 415 is rotatable and movable relative to the gear adjusting piece 412 and the rotating handle cover 414, the bottom end of the gear adjusting rod 415 is provided with a limiting piece 4151, the limiting piece 4151 is arranged below the gear adjusting piece 412, the lower surface of the limiting piece 4151 is clamped with the upper surface of the steering seat 411, a gear positioning pin 416 is fixed at the eccentric position of the limiting piece 4151, the other end of the gear positioning pin 416 is movably connected with a connecting plate 418, a strip-shaped movable groove is formed in the connecting plate 418, the gear positioning pin 416 can reciprocate along the strip-shaped movable groove, the connecting plate 418 is arranged at the rear end of the movable push plate 54, the front end of the connecting plate 418 is provided with a draw hook, the draw hook is clamped into a square hole with a corresponding size formed in the movable push plate 54, the top. Through the rotation of the rotating head 417, the gear adjusting rod 415 and the gear positioning piece 413 can be driven to rotate, and at the moment, the gear positioning pin 416 simultaneously drives the connecting plate 418 and the movable push plate 54 to move back and forth, so that the jaw assembly can swing left and right; when the gear positioning piece 413 rotates, the positioning protrusion on the lower surface slides on the toothed upper surface of the gear adjusting piece 412, and is positioned by mutual clamping and matching.

In order to further keep the jaw assembly stable after swinging for a certain extent, a corrugated spring 419 is further arranged between the rotary handle cover 414 and the gear positioning piece 413, a spring gasket is arranged between the corrugated spring 419 and the gear positioning piece 413, and the corrugated spring 419 provides certain pretightening force for the clamping fit between the gear positioning piece 413 and the gear adjusting piece 412 so as to prevent the gear positioning piece 412 from returning relative to the gear adjusting piece 412 after the rotary head 417 drives the gear adjusting rod 415 and the gear positioning piece 413 to rotate.

In order to further limit the swing range of the jaw assembly, the upper surface of the rotary handle cover 414 is further provided with an arc-shaped limiting groove, and the lower surface of one end of the rotary head 417 is provided with a limiting projection (not shown in the figure) matched with the arc-shaped limiting groove, the limiting projection is movably clamped into the arc-shaped limiting groove, when the rotary head 417 rotates, the limiting projection moves along the limiting groove, and the angle of the limiting groove is the swing range of the jaw assembly.

Further, referring to fig. 3 and 4, the front end of the inner sleeve 52 is further provided with a connecting sleeve 521, the outer diameter of the connecting sleeve 521 is equal to the outer diameter of the outer sleeve 51, the rear end of the connecting sleeve 521 is connected with the front end of the outer sleeve 51 in a sealing manner through a sixth elastic sealing ferrule 522, the front end surface of the connecting sleeve 521 is further provided with a seventh elastic sealing ferrule 523, and the connecting sleeve 521 is connected with the jaw assembly in a sealing manner through the seventh elastic sealing ferrule 523.

It is understood that in the present embodiment, the inner sleeve 52 and the connecting sleeve 521 are integrally formed, and in other embodiments, the connection between the inner sleeve 52 and the connecting sleeve 521 can also be realized by a fixing manner such as welding or screwing.

Further, referring to fig. 3, 4 and 7, the surface of the rotating handle 4 is further provided with a slidable unloading button 421, which, in this embodiment, an unloading button 421 is arranged on the surface of the lower rotating handle 42, one end of the unloading button 421 extends to one side of the inner sleeve 52, and the other end is connected with an unloading sliding sheet 422, the other end of the unloading sliding sheet 422 passes through a third through hole 615 arranged on the sealing ring 61, the end of the connecting sleeve 521 abuts against the rear end of the connecting sleeve 521, a bayonet is arranged between the unloading sliding piece 422 and the rear end of the connecting sleeve 521 and used for clamping the jaw assembly, the size of the bayonet is matched with a clamping block arranged at the connecting end of the jaw assembly, an unloading return spring 423 is further arranged between the unloading sliding piece 422 and the surface of the inner sleeve 52, the unloading sliding piece 422 can reciprocate in a third through hole 615, a sliding groove for the unloading sliding piece 422 to move back and forth is formed in the surface of the inner sleeve 52, and a third elastic sealing ferrule 616 is further arranged on the wall of the third through hole 615. When the jaw assembly is installed, one end of the jaw assembly is butted with one end of the opening of the connecting sleeve 521, the jaw assembly is rotated, one end of the jaw assembly is clamped into the bayonet, and the jaw assembly is clamped and fixed through resilience force provided by the unloading reset spring 423; when the jaw assembly is disassembled, the unloading button 421 is slid backwards to drive the unloading slide 422 to move backwards, so that the jaw is disassembled, and the jaw assembly is rotated to disassemble the jaw assembly.

It will be appreciated that the seal connection between the discharge slide 422 and the sealing ring 61 is formed by a third elastic sealing collar 616, and the friction between the third elastic sealing collar 616 and the discharge slide 422 is not sufficient to prevent the discharge slide 422 from reciprocating in the third through hole 615.

It is understood that in this embodiment, the first elastic sealing collar 612, the second elastic sealing collar 614, the third elastic sealing collar 616, the fourth elastic sealing collar 617, the fifth elastic sealing collar 62, the sixth elastic sealing collar 522, and the seventh elastic sealing collar 523 are made of medical silicone, and in other embodiments, other elastic materials may be used.

The utility model discloses in, through set up seal assembly between sleeve pipe and twist grip, and at sleeve pipe and the subassembly junction of keeping silent, outer tube and interior sleeve pipe junction set up the elastic sealing lasso respectively, make the intraductal portion of cover of this cutting anastomat form airtight structure, reduce the gas leakage phenomenon that the gaseous process of operation intracavity was gone up the clearance between each part and was taken place on the traditional cutting anastomat, therefore can maintain a invariable pneumoperitoneum pressure betterly, effectively avoid leading to the morning and evening tides phenomenon that the operation field of vision produced because of the inside atmospheric pressure of operation intracavity is unstable, ensure doctor's operation stability, reliability and operation efficiency, and further improved operation efficiency.

The above embodiments are merely illustrative of the scope of the present invention, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a can maintain laparoscopic cutting anastomat body of pneumoperitoneum pressure which characterized in that: the movable handle is movably hinged with the shell, a transmission mechanism is arranged in the shell, the movable handle is in driving connection with the transmission mechanism, a rotating handle is rotatably connected to the front end of the shell, a sleeve is connected to the front end of the rotating handle, the sleeve comprises an outer sleeve and an inner sleeve, the rear end of the outer sleeve is connected with the surface of the front end of the rotating handle, the outer sleeve is sleeved on the periphery of the inner sleeve, the rear end of the inner sleeve extends into the rotating handle, a connecting rod is movably arranged in the inner sleeve in a penetrating manner, the connecting rod can axially move in the inner sleeve, one end of the connecting rod is connected with the transmission mechanism, a sealing component is further arranged in the sleeve and comprises a sealing ring, the sealing ring is arranged at the front end of the rotating handle, the sealing ring is positioned between the outer sleeve and the inner sleeve, and, the sealing assembly further comprises a fifth elastic sealing ferrule, the fifth elastic sealing ferrule is arranged between the inner sleeve and the connecting rod, the fifth elastic sealing ferrule and the first elastic sealing ferrule are located in the same vertical plane, and a fourth elastic sealing ferrule is further arranged between the sealing ring and the outer sleeve.

2. The laparoscopic cutting stapler body capable of maintaining pneumoperitoneum pressure according to claim 1, wherein: the rotary handle is further provided with a knob assembly, the knob assembly is connected with a movable push plate, the other end of the movable push plate movably penetrates through a second through hole formed in the sealing ring, the movable push plate can reciprocate in the second through hole, and a second elastic sealing ferrule is arranged on the wall of the second through hole.

3. An endoscopic cutting stapler body capable of maintaining pneumoperitoneum pressure according to claim 1 or 2, wherein: the front end of the inner sleeve is also provided with a connecting sleeve, the outer diameter of the connecting sleeve is equal to that of the outer sleeve, the rear end of the connecting sleeve is connected with the front end of the outer sleeve in a sealing mode through a sixth elastic sealing ferrule, and the front end face of the connecting sleeve is also provided with a seventh elastic sealing ferrule.

4. The laparoscopic cutting stapler body capable of maintaining pneumoperitoneum pressure according to claim 3, wherein: the rotary handle surface still is equipped with slidable uninstallation button, uninstallation button one end extends to interior sleeve pipe one side, and this end is connected with the uninstallation gleitbretter, the third through hole that is equipped with on the sealing washer is worn to establish by the uninstallation gleitbretter other end, and this end supports with the adapter sleeve rear end, is equipped with the bayonet socket between uninstallation gleitbretter and the adapter sleeve, still is equipped with the uninstallation reset spring between uninstallation gleitbretter and the interior sleeve pipe surface, and the uninstallation gleitbretter can carry out reciprocating motion in the third through hole, still be equipped with the third elastic sealing lasso.