CN117814861A - Endoscope adapter and anastomat - Google Patents

Abstract

The invention discloses a cavity mirror adapter which is connected with a handle host and is characterized by comprising an adapter joint assembly (1), an upper rotating head assembly (2), a lower rotating head assembly (3), a screw rod assembly (4), a screw rod support assembly (5) and a gun barrel assembly (6), wherein the upper rotating head assembly (2) and the lower rotating head assembly (3) are buckled together to form a cavity, and the adapter joint assembly (1), the screw rod support assembly (5), the screw rod assembly (4) and the gun barrel assembly (6) are sequentially connected and penetrate through the cavity. The endoscope adapter designed by the invention is convenient for installation and replacement, and the adapter can complete cutting and stitching of the nail box assembly after installation, thereby improving the operation efficiency and reducing the operation time.

Description

Endoscope adapter and anastomat

Technical Field

The invention relates to the field of medical instruments, in particular to an adapter and an anastomat.

Background

In surgical operations, medical endoscopic cutting staplers have become an indispensable auxiliary medical instrument in the suturing of human tissue. Along with the development of medicine and the research and development of products, more and more functional stitching nail products are applied to clinic, and the application range of the stitching nail products relates to various fields of gastrointestinal surgery, hepatobiliary surgery, thoracic surgery, urinary surgery, gynecology and the like, and become one of the indispensable tools of doctors. The endoscopic incision anastomat has the advantages of less bleeding in operation, shorter operation time, reduced manual operation error, avoiding infection, quick postoperative function recovery and the like.

The electric endoscope is a common medical suture device, and the electric endoscope anastomat is matched with a disposable nail box and is suitable for excision, transection and anastomosis of tissues in abdominal, gynecological, pediatric and thoracic surgical operations. Can also be used for excision and transection of liver parenchyma, liver blood vessels and gall bladder ducts.

The intelligent anastomat comprises a handle host, an adapter and a nail box assembly, wherein the handle host is connected with the adapter, the nail box assembly is arranged on the adapter, and the adapter can identify whether the nail box assembly is arranged in place or not and can identify whether the nail box assembly can be bent or not.

At present, most of the existing electric endoscope is wholly disposable, the whole instrument is treated as medical waste after use, the cost of the whole product is high, the electric endoscope brings great economic burden to patients after use, and more medical waste is brought to hospitals, and the electric endoscope causes high environmental pollution after abandoned because the battery is disposable.

The prior art is not intelligent enough, and can not accurately identify the tissue thickness, so that certain inconvenience is brought to operators.

The intelligent degree of the product is improved, the intelligent degree is safer, the use of operators is convenient, and the working intensity of medical staff is effectively reduced; the adapter is matched with the handle host and the nail box component for common use, and after the adapter is used, the adapter and the nail box component are used as medical waste for classification treatment, the host part can be reused, unnecessary waste is reduced, and the medical burden of patients is reduced.

Disclosure of Invention

The invention aims to solve the technical problem that an adapter matched with a handle host and a nail box assembly cannot be used together in the prior art.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

the utility model provides a chamber mirror adapter, is connected with the handle host computer, including adapter joint assembly (1), go up swivel head subassembly (2), lower swivel head subassembly (3), lead screw subassembly (4), lead screw support subassembly (5), barrel subassembly (6), go up swivel head subassembly (2) with lower swivel head subassembly (3) lock forms a cavity together, adapter joint assembly (1) lead screw support subassembly (5) lead screw subassembly (4) with barrel subassembly (6) connect gradually and pass the cavity.

Further, the adapter joint assembly (1) comprises an adapter joint (1-1), a screw rotary joint fixing block (1-2), a screw rotary joint (1-3), a screw rotary joint spring (1-4), an adapter main board assembly (1-5), a screw fixing seat (1-6), a screw fixing pin (1-7), an assembly identification contact switch (1-8) and a rotary joint fixing block pin (1-9);

after the screw rod rotary joint (1-3) and the screw rod rotary joint spring (1-4) are sleeved in the screw rod rotary joint fixing block (1-2) in sequence, the screw rod rotary joint fixing block (1-2) is sleeved in the adapter joint (1-1) and is fixed by the rotary joint fixing block pin (1-9);

the adapter main board component (1-5) is sleeved on the adapter joint (1-1), and the screw rod fixing seat (1-6) is fixed on the adapter joint (1-1) through the screw rod fixing pin (1-7);

the component identification contact switch (1-8) is arranged on the screw rod fixing seat (1-6) and is communicated with the adapter main board component (1-5).

Further, the upper rotating head assembly (2) comprises an upper rotating head (2-1), a steering spring (2-2), a steering driving block (2-3), a rotating head cover plate (2-4), a steering knob fixing pin (2-5), a steering knob (2-6), a swing angle rotary blade (2-7) and a steering bracket (2-8);

the steering spring (2-2), the steering driving block (2-3), the rotating head cover plate (2-4), the swing angle rotary sheet (2-7) and the steering bracket (2-8) are mutually combined and then are arranged in the cavity of the upper rotating head (2-1);

the steering knob (2-6) is fixed on the steering driving block (2-3) through the steering knob fixing pin (2-5);

the steering driving block (2-3) is driven to synchronously rotate the swing angle rotary blade (2-7) during rotation, a pin shaft (2-701) is arranged at the bottom end of the swing angle rotary blade (2-7), a kidney-shaped hole (2-802) is correspondingly arranged on the steering support (2-8), and the pin shaft (2-701) is arranged in the kidney-shaped hole (2-802) so that the swing angle rotary blade (2-7) drives the steering support (2-8) to move forwards and backwards during rotation.

Further, the lower rotating head assembly (3) comprises a lower rotating head (3-1) and a binding safety locking plate push button (3-2);

the lower swivel (3-1) comprises a protrusion (3-101) and a groove (3-102), the protrusion (3-101) fixes the barrel part and the swivel part together, and the groove (3-102) fixes the adapter joint assembly (1) in the swivel.

Further, the screw rod assembly comprises a screw rod (4-1), a screw rod shaft sleeve (4-2), an end face bearing (4-3) and a gasket (4-4);

the screw rod (4-1), the screw rod shaft sleeve (4-2), the end face bearing (4-3) and the gasket (4-4) are assembled together and fixedly arranged in the adapter joint assembly (1).

Further, the screw rod bracket component comprises a screw rod bracket (5-1), a binding bumper (5-2), a steering lock return spring (5-3) and a steering lock (5-4),

one end of the screw rod support (5-1) is connected with the adapter joint assembly (1), and the other end of the screw rod support (5-1) is connected with the gun barrel assembly (6);

a central hole (5-103) is formed in the screw rod support (5-1), and the screw rod (4-1) penetrates through the central hole (5-103);

the surface of the screw rod bracket (5-1) is symmetrically provided with a groove guide rail (5-102), and the binding bumper (5-2) is arranged in the groove guide rail (5-102);

the steering lock return spring (5-3) and the steering lock (5-4) are arranged between the screw rod bracket (5-1) and the adapter joint assembly (1).

Further, the gun barrel assembly comprises a gun barrel inner core (6-1), a locking button spring (6-4) and a nail box locking piece 6-5;

the locking button spring (6-4) is arranged at the position of a groove (6-104) of the gun barrel inner core (6-1);

a bulge (6-503) at one end of the nail box locking piece (6-5) is matched with a bulge 3-201 of the nail box safety locking piece push button (3-2), and when the nail box safety locking piece push button (3-2) is pushed backwards, the nail box locking piece (6-5) is driven to move backwards, so that the disassembling action of the nail box assembly is completed; when the staple safety locking piece push button (3-2) is loosened, the staple cartridge locking piece (6-5) moves forwards under the elasticity of the locking button spring (6-4) to complete the locking action of the staple cartridge assembly.

Further, the gun barrel assembly also comprises a binding pushing piece (6-7), a pushing piece positioning block (6-8), a binding front sliding block (6-9), a binding sliding block connecting rod (6-13) and a binding rear sliding block (6-14);

when the assembly is installed, the assembly can enable the binding pushing piece (6-7) to move backwards, so that the binding front sliding block (6-9), the binding sliding block connecting rod (6-13), the binding rear sliding block (6-14), the binding bumper (5-2) and the steering lock (5-4) are driven to move backwards, and whether the assembly can be bent or not is judged according to the moving distance.

Further, whether the assembly can be bent or not is judged according to the moving distance, specifically: the steering lock (5-4) is a non-bendable component when only 1 identification contact switch can be triggered; the steering lock (5-4) is a bendable component when it triggers 2 identification contact switches.

A stapler comprising a lumen adapter as defined in any one of the preceding claims.

The invention also includes a stapler comprising an adapter as described in any one of the above.

With such a design, the invention has at least the following advantages:

(1) The endoscope adapter designed by the invention is convenient for installation and replacement, and the adapter can complete cutting and stitching of the nail box assembly after installation, thereby improving the operation efficiency and reducing the operation time.

(2) The adapter is matched with the handle, is connected with the handle host through the special quick interface, is convenient and quick to install, is stable and firm after being installed, and is smooth and free of clamping stagnation.

(3) The adapter can identify whether the nail box assembly has a bending function or not, has the bending function when the adapter is provided with the bendable nail box assembly, and can adjust the bending angle of the nail box assembly according to the use requirement.

(4) The invention has simple structure, good effect, low cost and easy process realization.

Drawings

The foregoing is merely an overview of the present invention, and the present invention is further described in detail below with reference to the accompanying drawings and detailed description.

FIG. 1 is a schematic diagram of an adapter according to an embodiment of the present invention;

FIG. 2 is a schematic view of an adapter sub assembly according to an embodiment of the present invention;

FIG. 3 is an exploded schematic view of an adapter connector assembly according to an embodiment of the present invention;

FIG. 4 is a schematic view of a lower rotating head assembly according to an embodiment of the present invention;

FIG. 5 is an exploded view of a rotary head assembly according to one embodiment of the present invention;

FIG. 6 is a schematic view of a swing angle blade according to an embodiment of the present invention;

FIG. 7 is a schematic view of a steering bracket according to an embodiment of the present invention;

FIG. 8 is a schematic view of a lower rotating head assembly according to an embodiment of the present invention;

FIG. 9 is a schematic view showing details of the construction of a spin head assembly according to an embodiment of the present invention;

FIG. 10 is a schematic view of a lead screw assembly and barrel assembly installation in accordance with one embodiment of the present invention;

FIG. 11 is a schematic view of a screw assembly according to an embodiment of the present invention;

FIG. 12 is a cross-sectional view of a lead screw bracket assembly according to one embodiment of the invention;

FIG. 13 is a schematic view of a screw support assembly according to an embodiment of the present invention;

FIG. 14 is a schematic view of a lead screw support according to an embodiment of the invention;

FIG. 15 is a schematic view of an embodiment of the invention identifying the contact switch and steering lock positions;

FIG. 16 is a schematic view of a barrel assembly according to an embodiment of the present invention;

FIG. 17 is a schematic view of a barrel core according to an embodiment of the present invention;

FIG. 18 is yet another schematic view of a barrel core according to an embodiment of the present invention;

FIG. 19 is yet another schematic view of a barrel core according to an embodiment of the present invention;

FIG. 20 is a schematic view of a barrel core link according to an embodiment of the present invention;

FIG. 21 is a schematic view of a staple slider link according to an embodiment of the present invention;

FIG. 22 is a schematic view of a steering linkage assembly according to an embodiment of the present invention;

in the reference numerals, an adapter joint assembly 1, an upper swivel head assembly 2, a lower swivel head assembly 3, a screw rod assembly 4, a screw rod bracket assembly 5, a barrel assembly 6, an adapter joint 1-1, a screw rod swivel joint fixing block 1-2, a screw rod swivel joint 1-3, a screw rod swivel joint spring 1-4, an adapter main plate assembly 1-5, a screw rod fixing seat 1-6, a screw rod fixing pin 1-7, an identification contact switch 1-8, a swivel joint fixing block pin 1-9, an upper swivel head 2-1, an upper swivel head positioning pin 2-101, a steering spring 2-2, a steering driving block 2-3, a swivel head cover plate 2-4, a steering knob fixing pin 2-5, a steering knob 2-6, a swing angle rotary blade 2-7, a swing angle pin 2-701 and a steering bracket 2-8, the steering bracket is characterized by comprising a steering bracket pull hook 2-801, a steering bracket kidney-shaped hole 2-802, a lower rotating head 3-1, a binding safety locking plate push button 3-2, a screw rod 4-1, a screw rod shaft sleeve 4-2, an end face bearing 4-3, a gasket 4-4, a push nut bracket 4-5, a push nut 4-6, a push nut gasket 4-7, a firing rod assembly 4-8, a screw rod bracket 5-1, a groove 5-101, a groove guide rail 5-102, a groove 5-103, a screw rod bracket side wall 5-104, a binding safety rod 5-2, a steering lock return spring 5-3, a steering lock 5-4, a barrel inner core 6-1, a barrel shell 6-2, a steering pull rod assembly 6-3, the locking button spring 6-4, the nail box locking piece 6-5, the nail box locking piece component 6-6, the nail loading pushing piece 6-7, the pushing piece positioning piece 6-8, the pre-binding sliding block 6-9, the gun barrel inner core supporting piece 6-10, the gun barrel inner core connecting rod 6-11, the nut sleeve 6-12, the binding sliding block connecting rod 6-13 and the post-binding sliding block 6-14.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In this context, "up", "down", "pitch", "yaw" and the like are used only to indicate relative positional relationships between the relevant portions, and do not define absolute positions of the relevant portions.

Unless otherwise indicated, numerical ranges herein include not only the entire range within both of its endpoints, but also the several sub-ranges contained therein.

The end of each component that is closer to the operator is defined as the proximal end and the end that is farther from the operator is defined as the distal end. The proximal and distal expressions are used for simplicity and clarity of description only and should not be construed as limiting the invention in any way.

As shown in fig. 1-22, an embodiment of the present invention provides an adapter, which includes an adapter connector assembly 1, an upper rotating head assembly 2, a lower rotating head assembly 3, a screw rod assembly 4, a screw rod support assembly 5, and a barrel assembly 6, wherein the upper rotating head assembly 2 and the lower rotating head assembly 3 are buckled together to form a cavity, and the adapter connector assembly 1, the screw rod support assembly 5, the screw rod assembly 4, and the barrel assembly 6 are sequentially connected and pass through the cavity.

Specifically, the adapter joint assembly 1 comprises an adapter joint 1-1, a screw rotary joint fixing block 1-2, a screw rotary joint 1-3, a screw rotary joint spring 1-4, an adapter main board assembly 1-5, a screw fixing seat 1-6, a screw fixing pin 1-7, an identification contact switch 1-8 and a rotary joint fixing block pin 1-9.

The adapter connector 1-1 is connected with the handle host, so that the adapter connector 1-1 is fixed with the handle host, and the adapter connector 1-1 is inserted into the handle host interface to be automatically locked, so that the adapter cannot move back and forth and cannot rotate with the handle host.

After the screw rod rotary joint 1-3 and the screw rod rotary joint spring 1-4 are sleeved into the screw rod rotary joint fixing block 1-2 in sequence, the screw rod rotary joint fixing block 1-2 is sleeved into the adapter joint 1-1, and the screw rod rotary joint fixing block 1-2 and the adapter joint 1-1 are fixed by the rotary joint fixing block pin 1-9.

Here, the diameters of the screw rotary joint 1-3 and the screw rotary joint spring 1-4 are the same and are smaller than the inner diameter of the screw rotary joint fixing block 1-2.

The adapter main board component 1-5 is sleeved on the adapter connector 1-1, the adapter main board component 1-5 is provided with a frequency needle contact, and when the adapter connector 1-1 is connected with the handle host, the frequency needle contact on the adapter main board component 1-5 is communicated with the contact on the handle host.

Here, the handle host receives a signal that the adapter installation is completed, and the handle host performs self-inspection.

The screw rod fixing seat 1-6 is fixed on the adapter joint 1-1 through the screw rod fixing pin 1-7, and the screw rod can only rotate and can not move back and forth between the adapter joint 1-1 and the screw rod fixing seat 1-6.

The identification contact switch 1-8 is arranged on the screw rod fixing seat 1-6 and communicated with the adapter main board component 1-5.

When the adapter is matched with the handle host, the screw rod rotary joint 1-3 can transmit the motion state of the handle host, and can be matched with any state of the joint on the handle host, the direction is not required to be confirmed, specifically, when the direction is not right, the transmission shaft on the handle host can downwards press the screw rod rotary joint 1-3, so that the screw rod rotary joint spring 1-4 is compressed, a certain gap is provided for the movement of the screw rod rotary joint 1-3, and when the handle host rotates to the right direction, the screw rod rotary joint spring 1-4 releases elasticity, so that the screw rod rotary joint 1-3 and the handle host transmission shaft are automatically connected right.

Here, the contact switches 1-8 are identified as a group of switches, and different switch combinations can represent whether the component is a bendable component according to requirements, for example, the component can be bent by touching 1 switch to be non-bendable, both the two switches are touched to be bendable components, a display screen is arranged on the handle host, and the judgment result can be prompted.

The upper rotating head assembly 2 comprises an upper rotating head 2-1, a steering spring 2-2, a steering driving block 2-3, a rotating head cover plate 2-4, a steering knob fixing pin 2-5, a steering knob 2-6, a swing angle rotary blade 2-7 and a steering bracket 2-8; specifically, the steering spring 2-2, the steering driving block 2-3, the rotating head cover plate 2-4, the swing angle rotary vane 2-7 and the steering bracket 2-8 are mutually combined and then are arranged in the cavity of the upper rotating head 2-1.

The steering knob 2-6 is fixed on the steering driving block 2-3 through a steering knob fixing pin 2-5;

the steering knob 2-6 drives the steering driving block 2-3 to rotate when rotating, the steering driving block 2-3 drives the swinging angle rotary blade 2-7 to synchronously rotate, a pin shaft 2-701 is arranged at the bottom end of the swinging angle rotary blade 2-7, a kidney-shaped hole 2-802 is correspondingly arranged on the steering bracket 2-8, the pin shaft 2-701 is fixedly arranged in the kidney-shaped hole 2-802, the steering bracket 2-8 is driven to move forwards and backwards when the swinging angle rotary blade 2-7 rotates, and particularly, the steering bracket 2-8 moves forwards when the swinging angle rotary blade 2-7 rotates leftwards; when the swing angle rotary blade 2-7 makes a right turn, the steering bracket 2-8 moves backward.

The lower swivel head assembly 3 includes a lower swivel head 3-1 and a staple safety locking tab push button 3-2.

The lower swivel 3-1 includes a protrusion 3-101 and a recess 3-102, the protrusion 3-101 securing the barrel portion and the swivel portion together, the recess 3-102 securing the adapter sub assembly 1 within the swivel.

The screw rod assembly 4 comprises a screw rod 4-1, a screw rod shaft sleeve 4-2, an end face bearing 4-3, a gasket 4-4, a pushing nut bracket 4-5, a pushing nut 4-6, a pushing nut gasket 4-7 and a firing rod assembly 4-8.

The screw rod shaft sleeve 4-2 is sleeved on the screw rod 4-1, the end face bearing 4-3 is sleeved on the screw rod shaft sleeve 4-2 through the gasket 4-4, and the screw rod 4-1, the screw rod shaft sleeve 4-2, the end face bearing 4-3 and the gasket 4-4 which are assembled together are arranged in the adapter joint assembly 1 and are fixed with the adapter joint 1-1; specifically, a screw rod 4-1, a screw rod shaft sleeve 4-2, an end face bearing 4-3 and a gasket 4-4 are arranged in 1-601 of the adapter joint assembly 1;

the screw rod 4-1 is fixedly connected with the screw rod rotary joint 1-3 and can do synchronous rotary motion;

the friction force of the screw rod 4-1 is reduced by adding the end face bearing 4-3, so that the firing and resetting force is reduced;

the gasket 4-4 is a curved elastic gasket for compensating for the gap between the screw shaft sleeve 4-2, the end face bearing 4-3 and the adapter joint assembly 1.

The pushing nut bracket 4-5 fixes the pushing nut 4-6, the pushing nut gasket 4-7 and the firing bar assembly 4-8 together, and then is assembled with the screw rod, when the screw rod rotates, the pushing nut is driven to move back and forth, so that the firing bar and the pushing nut synchronously move, and the firing and resetting of the assembly are completed.

The screw rod bracket assembly 5 comprises a screw rod bracket 5-1, a binding bumper 5-2, a steering lock return spring 5-3 and a steering lock 5-4.

The binding bumper 5-2 is arranged in the groove guide rail 5-102, the steering lock 5-4 is sleeved on the side wall 5-104 of the screw rod bracket, the steering lock return spring 5-3 is also sleeved on the side wall 5-104 of the screw rod bracket through the steering lock 5-4, and when the binding bumper 5-2 pushes the steering lock 5-4 backwards after the assembly is arranged, the steering lock return spring 5-3 is compressed; when the assembly is removed, the steering lock 5-4 and the staple safety lever 5-2 are reset under the elasticity of the lock reset spring 5-3.

One end of the screw rod support 5-1 is fixedly connected with the adapter joint assembly 1, the screw rod support 5-1 and the adapter joint assembly cannot rotate, and the other end of the screw rod support 5-1 is connected with the gun barrel assembly 6.

The screw rod bracket 5-1 is provided with a central hole 5-103, and the screw rod 4-1 passes through the hollow hole 5-103.

The surface of the screw rod bracket 5-1 is symmetrically provided with a groove guide rail 5-102, and the binding bumper 5-2 is arranged in the groove guide rail 5-102; one surface of the end of the screw holder 5-1 is provided with a planar structure 5-101 for preventing the end from rotating in the screw fixing base 1-6.

The steering lock reset spring 5-3 and the steering lock 5-4 are arranged between the screw rod bracket 5-1 and the adapter joint assembly 1;

when the adapter installs the nail box assembly, the part in the gun barrel assembly 6 drives the nail safety lever 5-2 to move backwards in the groove guide rail 5-102, the steering lock 5-4 moves backwards at the same time when the nail safety lever 5-2 moves backwards, the steering lock reset spring 5-3 is compressed, the steering lock 5-4 triggers the assembly identification contact switch 1-8 on the adapter joint assembly 1, the assembly identification contact switch 1-8 is communicated with the adapter main board assembly 1-5, and the handle host can judge whether the nail box assembly is a bendable assembly according to the position of the trigger switch and prompt on the display screen of the handle host.

According to the embodiment of the invention, through different internal diameters, the inclined plane compression contact at the reducing position is arranged; defining pressing one contact switch as a non-bendable component, and pressing two contact switches as bendable components;

specifically, the component identification contact switch 1-8 is arranged in tandem, and in an initial state, when no component is installed, the component identification contact switch 1-8 cannot be touched; when the steering lock 5-4 moves backwards, the component is firstly touched to identify the switch in front of the contact switch 1-8, and then the component is non-rotatable; when the steering lock 5-4 continues to move backwards, the steering lock 5-4 will trigger the assembly recognition contact switch 1-8 to switch behind, while the front switch is still triggered, which is the rotatable assembly.

Here, when the assembly is disassembled, the steering lock 5-4 drives the stapling bumper 5-2 and the parts in the barrel assembly 6 to return to the original positions under the elastic force of the steering lock return spring 5-3.

The gun barrel assembly 6 comprises a gun barrel inner core 6-1, a gun barrel outer shell 6-2, a steering pull rod assembly 6-3, a locking button spring 6-4, a nail box locking piece 6-5, a nail box locking piece assembly 6-6, a binding pushing piece 6-7, a pushing piece positioning piece 6-8, a pre-binding sliding block 6-9, a gun barrel inner core supporting piece 6-10, a gun barrel inner core connecting rod 6-11, a nut sleeve 6-12, a binding sliding block connecting rod 6-13 and a post-binding sliding block 6-14.

The nail box locking piece 6-5 and the nail box locking piece assembly 6-6 are arranged on the gun barrel inner core 6-1, and the locking button spring 6-4 is arranged at the hollow groove 6-501;

the slide block 6-9 before binding and the gun barrel inner core supporting piece 6-10 are arranged on the gun barrel inner core 6-1,

the two ends of the slider 6-9 are provided with bulges 6-901, the two ends of the barrel inner core supporting piece 6-10 are provided with limit steps 6-1001, and the bulges 6-901 and the limit steps 6-1001 are arranged in the open grooves 6-102 of the barrel inner core 6-1. The limiting step 6-1001 of the barrel inner core supporting piece 6-10 is matched with the limiting groove 6-10201 of the barrel inner core 6-1 in position and is used for fixing the barrel inner core supporting piece 6-10.

The nut sleeve 6-12 is mounted at a sleeve mounting location 6-103 of the barrel core 6-1, and the nut sleeve 6-12 is rotatable on the barrel core 6-1 after mounting.

One end of a connecting rod 6-11 of the gun barrel inner core 6-1 is arranged at a bulge 6-101 of the gun barrel inner core 6-1, the other end of the connecting rod is arranged at a groove 2-101 of the upper rotating head 2-1, and the lower rotating head 6-301 is used for fixing the gun barrel inner core 6-1, and specifically, the connecting rod is matched and fixed through a shaft hole.

The nail box locking piece 6-5 is arranged at the side edge of the gun barrel inner core 6-1,

the nail box locking piece 6-5 is provided with a hollow groove 6-501, the gun barrel inner core 6-1 is correspondingly provided with a groove 6-104, and the hollow groove 6-501 and the groove 6-104 are matched and installed together.

The locking button spring 6-4 is installed at the position of the groove 6-104 of the gun barrel inner core 6-1, so that the nail box locking piece 6-5 has an automatic resetting function after being compressed.

The bulge 6-503 at one end of the nail box locking piece 6-5 is matched with the bulge 3-201 of the nail box safety locking piece push button 3-2, so that the locking after the installation of the nail box assembly or the disassembly of the nail box assembly can be realized, the nail box locking piece 6-5 can be driven to move backwards by pushing the nail box safety locking piece push button 3-2 backwards, at the moment, the nail box assembly can be disassembled, the nail box locking piece 6-5 moves forwards under the elasticity of the locking button spring 6-4, and the locking of the nail box assembly is completed.

The steering pull rod assembly 6-3 is arranged at the groove 6-105 of the gun barrel inner core 6-1, the bulge 2-801 of the steering support 2-8 is clamped into the hollow groove 6-302 at the other end of the steering pull rod assembly 6-3, the steering pull hook 6-303 is matched with the nail box assembly to realize the bending of the nail box assembly, and specifically, the steering pull hook 6-303 is connected with the nail box assembly bending mechanism, and when the steering pull hook 6-3 moves forwards and backwards, the deflection structure of the assembly is driven to complete the left and right bending of the assembly.

The positions of the binding pushing piece grooves 6-106 are provided with binding pushing pieces 6-7 and pushing piece positioning blocks 6-8, and the installation and identification of the nail box assembly are realized by matching with the front binding sliding block 6-9, the binding sliding block connecting rod 6-13, the rear binding sliding block 6-14 and the binding bumper 5-2 and the steering lock 5-4; specifically, when the assembly is installed, the assembly can enable the binding pushing piece 6-7 to move backwards, so that the binding front sliding block 6-9, the binding sliding block connecting rod 6-13, the binding rear sliding block 6-14, the binding bumper 5-2 and the steering lock 5-4 are driven to move backwards, whether the assembly can be bent or not is judged according to the moving distance, the steering lock 5-4 can only trigger 1 identification contact switch to be bent, and the steering lock 5-4 can simultaneously start two identification contact switches.

The binding slide block connecting rod 6-13 is respectively arranged at the position of the abdication groove 6-301 of the steering pull rod assembly 6-3 and the position of the abdication groove 6-502 of the nail box locking piece 6-5, and the binding front slide block 6-9 and the binding rear slide block 6-14 are connected together through the front slide block positioning groove 6-1301 and the rear slide block positioning groove 6-1302.

Through holes 6-201 are correspondingly formed in two sides of the tail end of the gun barrel shell 6-2, the through holes are fixedly connected with the upper rotary head locating pin 2-101 and the protrusions 3-101 of the lower rotary head 3-1 respectively, the nail box locking piece assembly 6-6 is used for locking the nail box assembly, and when the firing rod assembly 4-8 is not in the initial position, the assembly cannot be disassembled.

A stapler comprising any one of the above endoscope adapters.

With such a design, the invention has at least the following advantages:

(1) The endoscope adapter designed by the invention is convenient for installation and replacement, and the adapter can complete cutting and stitching of the nail box assembly after installation, thereby improving the operation efficiency and reducing the operation time.

(2) The adapter is matched with the handle, is connected with the handle host through the special quick interface, is convenient and quick to install, is stable and firm after being installed, and is smooth and free of clamping stagnation.

(3) The adapter can identify whether the nail box assembly has a bending function or not, has the bending function when the adapter is provided with the bendable nail box assembly, and can adjust the bending angle of the nail box assembly according to the use requirement.

(4) The invention has simple structure, good effect, low cost and easy process realization.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (10)

1. The utility model provides a chamber mirror adapter, is connected with the handle host computer, its characterized in that, including adapter joint subassembly (1), go up swivel head subassembly (2), lower swivel head subassembly (3), lead screw subassembly (4), lead screw support subassembly (5), barrel subassembly (6), go up swivel head subassembly (2) with lower swivel head subassembly (3) lock forms a cavity together, adapter joint subassembly (1) lead screw support subassembly (5) lead screw subassembly (4) with barrel subassembly (6) connect gradually and pass the cavity.

2. The endoscope adapter according to claim 1, wherein the adapter joint assembly (1) comprises an adapter joint (1-1), a screw rotary joint fixing block (1-2), a screw rotary joint (1-3), a screw rotary joint spring (1-4), an adapter main plate assembly (1-5), a screw fixing seat (1-6), a screw fixing pin (1-7), an assembly identification contact switch (1-8) and a rotary joint fixing block pin (1-9);

after the screw rod rotary joint (1-3) and the screw rod rotary joint spring (1-4) are sleeved in the screw rod rotary joint fixing block (1-2) in sequence, the screw rod rotary joint fixing block (1-2) is sleeved in the adapter joint (1-1) and is fixed by the rotary joint fixing block pin (1-9);

the adapter main board component (1-5) is sleeved on the adapter joint (1-1), and the screw rod fixing seat (1-6) is fixed on the adapter joint (1-1) through the screw rod fixing pin (1-7);

the component identification contact switch (1-8) is arranged on the screw rod fixing seat (1-6) and is communicated with the adapter main board component (1-5).

3. A endoscope adapter according to claim 2, characterized in that the upper swivel head assembly (2) comprises an upper swivel head (2-1), a steering spring (2-2), a steering drive block (2-3), a swivel head cover plate (2-4), a steering knob fixing pin (2-5), a steering knob (2-6), a swing angle rotary blade (2-7), a steering bracket (2-8);

the steering spring (2-2), the steering driving block (2-3), the rotating head cover plate (2-4), the swing angle rotary sheet (2-7) and the steering bracket (2-8) are mutually combined and then are arranged in the cavity of the upper rotating head (2-1);

the steering knob (2-6) is fixed on the steering driving block (2-3) through the steering knob fixing pin (2-5);

the steering driving block (2-3) is driven to synchronously rotate the swing angle rotary blade (2-7) during rotation, a pin shaft (2-701) is arranged at the bottom end of the swing angle rotary blade (2-7), a kidney-shaped hole (2-802) is correspondingly arranged on the steering support (2-8), and the pin shaft (2-701) is arranged in the kidney-shaped hole (2-802) so that the swing angle rotary blade (2-7) drives the steering support (2-8) to move forwards and backwards during rotation.

4. A endoscope adapter according to claim 3, characterized in that the lower swivel head assembly (3) comprises a lower swivel head (3-1), a staple safety locking plate push button (3-2);

the lower swivel (3-1) comprises a protrusion (3-101) and a groove (3-102), the protrusion (3-101) fixes the barrel part and the swivel part together, and the groove (3-102) fixes the adapter joint assembly (1) in the swivel.

5. A scope adapter according to claim 4, wherein the screw assembly comprises a screw (4-1), a screw shaft sleeve (4-2), an end face bearing (4-3), a spacer (4-4);

the screw rod (4-1), the screw rod shaft sleeve (4-2), the end face bearing (4-3) and the gasket (4-4) are assembled together and fixedly arranged in the adapter joint assembly (1).

6. An endoscope adapter according to claim 5, characterized in that the screw support assembly comprises a screw support (5-1), a staple bumper (5-2), a steering lock return spring (5-3), a steering lock (5-4),

one end of the screw rod support (5-1) is connected with the adapter joint assembly (1), and the other end of the screw rod support (5-1) is connected with the gun barrel assembly (6);

a central hole (5-103) is formed in the screw rod support (5-1), and the screw rod (4-1) penetrates through the central hole (5-103);

the surface of the screw rod bracket (5-1) is symmetrically provided with a groove guide rail (5-102), and the binding bumper (5-2) is arranged in the groove guide rail (5-102);

the steering lock return spring (5-3) and the steering lock (5-4) are arranged between the screw rod bracket (5-1) and the adapter joint assembly (1).

7. A endoscope adapter according to claim 6, characterized in that the barrel assembly comprises a barrel core (6-1), a locking button spring (6-4), a magazine locking tab (6-5);

the locking button spring (6-4) is arranged at the position of a groove (6-104) of the gun barrel inner core (6-1);

a bulge (6-503) at one end of the nail box locking piece (6-5) is matched with a bulge (3-201) of the nail box safety locking piece push button (3-2), and when the nail box safety locking piece push button (3-2) is pushed backwards, the nail box locking piece (6-5) is driven to move backwards, so that the disassembling action of the nail box assembly is completed; when the staple safety locking piece push button (3-2) is loosened, the staple cartridge locking piece (6-5) moves forwards under the elasticity of the locking button spring (6-4) to complete the locking action of the staple cartridge assembly.

8. The endoscope adapter of claim 7 wherein said barrel assembly further comprises a staple pusher (6-7), a pusher block (6-8), a pre-staple slide (6-9), a staple slide link (6-13), a post-staple slide (6-14);

when the assembly is installed, the assembly can enable the binding pushing piece (6-7) to move backwards, so that the binding front sliding block (6-9), the binding sliding block connecting rod (6-13), the binding rear sliding block (6-14), the binding bumper (5-2) and the steering lock (5-4) are driven to move backwards, and whether the assembly can be bent or not is judged according to the moving distance.

9. An endoscope adapter according to claim 8 and wherein said means for determining whether said assembly is deflectable is based upon said distance of movement, in particular: the steering lock (5-4) is a non-bendable component when only 1 identification contact switch can be triggered; the steering lock (5-4) is a bendable component when it triggers 2 identification contact switches.

10. A stapler comprising a laparoscopic adaptor according to any one of claims 1 to 9.