CN216652374U

CN216652374U - Anorectal anastomat with anus expanding structure

Info

Publication number: CN216652374U
Application number: CN202122923251.5U
Authority: CN
Inventors: 王昊
Original assignee: Wuxi City Ryps Medical Appliance Co ltd
Current assignee: Wuxi City Ryps Medical Appliance Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-06-03
Anticipated expiration: 2031-11-25

Abstract

The application provides an anorectal anastomat with an anus expanding structure, and belongs to the technical field of medical instruments. This anus intestines anastomat with expand anus structure, include the anastomat subassembly and expand the anus subassembly, the anastomat subassembly includes casing, ejector sleeve, first reset spring, dabber, adjust knob, nail storehouse, support nail seat and percussion handle, expand the anus subassembly including solid fixed ring, clamp, guide, movable branch and expansion plate, adjust the position that supports the nail seat and rather than the interval with the nail storehouse through the cooperation of adjust knob and dabber, make the affected part be located to support between nail seat and the nail storehouse, press down percussion handle and promote ejector sleeve and drive nail storehouse and lean on to supporting the nail seat and remove, make titanium nail seam and close the affected part, push out the pipe and drive solid fixed ring and move forward, rotate and promote the expansion plate along the guide outwards expansion through movable branch to expand anus's inner space, be convenient for observe inside, accurately judge the condition of sewing up of inside affected part.

Description

Anorectal anastomat with anus expanding structure

Technical Field

The application relates to the field of medical equipment, in particular to an anorectal anastomat with an anus expanding structure.

Background

The anastomat is a device used in medicine to replace manual suture, the main working principle is to use titanium nails to separate or anastomose tissues, and the tubular anorectal anastomat is similar to a stapler and is an anastomat taking anorectum as a main treatment part.

The existing anorectal anastomat does not have the function of an expander, and due to the fact that the internal space of an anus is narrow, the visual field is blocked, an operator cannot conveniently observe the inside, the suturing condition of internal tissues cannot be accurately judged, and the operation is influenced.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the present application provides an anorectal stapler with an anal dilation structure, which aims to improve the problems presented in the above background art.

The embodiment of the application provides an anorectal anastomat with an anus expanding structure, which comprises an anastomat assembly and an anus expanding assembly.

The anastomat component comprises a shell, a push-out pipe, a first return spring, a mandrel, an adjusting knob, a nail bin, a nail pushing seat and a firing handle, one end of the push-out pipe penetrates through the shell in a sliding manner and extends into the shell, the mandrel penetrates through the push-out pipe, the first reset spring is sleeved outside the mandrel, and both ends of the first return spring are respectively and fixedly connected with one end of the push-out pipe and the mandrel, the nail bin is fixedly connected with one end of the push-out pipe, which is far away from the first reset spring, the nail abutting seat is fixedly connected with one end of the mandrel, which is close to the nail bin, the adjusting knob is sleeved on one end of the mandrel, which is far away from the nail abutting seat, and the adjusting knob is rotatably connected with the shell, the firing handle is hinged on the outer wall of the shell, and one end of the firing handle penetrating into the shell is clamped on the outer wall of the push-out pipe.

Expand the anus subassembly including solid fixed ring, clamp, guide, activity branch and expansion plate, the fixed cover of clamp connect in the casing is outside, the guide symmetry install in the both sides of clamp, expansion plate symmetry cover is located the casing is close to the both sides of nail storehouse one end, just the one end sliding connection of expansion plate in the guide, the fixed ring interval is fixed cup joint in it is close to release the pipe the one end of nail storehouse, activity branch runs through the casing articulate set up in gu fixed ring both ends with between the expansion plate inner wall.

In above-mentioned realization in-process, insert patient's anus with two expansion plates, adjust the position of supporting the nail seat and rather than the interval with the nail storehouse through the cooperation of adjust knob and dabber, make the affected part be located to support between nail seat and the nail storehouse, press down the percussion handle and promote the ejector sleeve and drive the nail storehouse and lean on to supporting the nail seat and move, make the titanium nail seam affected part, at this in-process, the ejector sleeve drives solid fixed ring antedisplacement, rotate through movable support rod and promote the expansion plate and outwards expand along the guide, thereby expand anal inner space, be convenient for observe inside, the condition of sewing up in inside affected part is judged to the accuracy.

In a specific embodiment, the upper and lower both ends of solid fixed ring periphery wall reach all set firmly articulated seat on the expansion plate inner wall, activity branch both ends all rotate connect in articulated seat.

In the implementation process, the two ends of the movable supporting rod can freely rotate through the hinged seat, and the expansion plate can be conveniently pushed to do telescopic motion.

In a specific embodiment, two through holes are arranged on two sides of one end of the shell close to the nail bin at intervals, and the through holes are in clearance fit with the movable supporting rods.

In the implementation process, the rotation of the movable supporting rod is limited through the clearance fit of the through hole and the movable supporting rod.

In a specific embodiment, the guide includes fixed frame, guide bar and sliding seat, fixed frame set firmly in the clamp periphery wall, the guide bar set firmly in fixed frame, the sliding seat slide cup joint in the guide bar, expansion plate one end with sliding seat fixed connection.

In the implementation process, the expansion plate is guided and limited in telescopic movement through the sliding fit of the sliding seat and the guide rod, and meanwhile, the stability of movement of the expansion plate can be guaranteed.

In a specific embodiment, the adjusting knob is rotatably connected to one end of the shell, which is far away from the nail bin, through a rotating cylinder, and anti-skid protrusions are arranged on the outer peripheral wall of the adjusting knob in an array mode.

In the implementation process, the adjusting knob is stably rotated at the end part of the shell through the rotating cylinder, and the anti-skid protrusions are arranged to facilitate the twisting of the adjusting knob to rotate.

In a specific implementation scheme, an adjusting thread section is arranged at one end, close to the adjusting knob, of the mandrel, the adjusting thread section penetrates through the rotating cylinder and is screwed into the adjusting knob, and a first stop block is fixedly arranged at the joint of the mandrel and the adjusting thread section.

In the implementation process, the mandrel is driven to slide left and right in the push-out pipe through the conduction of the adjusting knob and the threads of the adjusting thread section, so that the position of the nail abutting seat and the distance between the nail abutting seat and the nail bin are adjusted.

In a specific implementation scheme, a second stop block is fixedly arranged at one end, far away from the nail bin, of the push-out pipe, the first return spring is fixedly arranged between the first stop block and the second stop block, and two clamping pins are symmetrically and fixedly arranged on the outer peripheral wall, close to the second stop block, of the push-out pipe.

In the implementation process, the first return spring is fixed between the push-out pipe and the mandrel through the first stop block and the second stop block, and the push-out pipe is reset by the aid of elastic force of the first return spring.

In a specific embodiment, a hook is fixedly arranged at one end of the firing handle extending into the shell, and the hook is clamped with the clamping pin.

In the implementation process, the percussion handle is pressed to rotate, the push-out pipe is pushed to extend out of the end part of the shell by a distance through the clamping fit of the clamping hook and the clamping pin, so that the nail bin is driven to move towards the direction close to the nail abutting seat, and the titanium nails are sewn on the affected part.

In a specific embodiment, the shell peripheral wall is hinged with a limiting ring connected with the firing handle in a clamping manner, and the firing handle is fixedly provided with a second reset spring between the shell peripheral wall.

In the implementation process, the trigger handle is sleeved by the limiting ring, a doctor does not need to continuously press the trigger handle, the aim of saving labor is achieved, and the trigger handle is reset under the elastic action of the second reset spring.

In a specific implementation scheme, a plurality of anti-skid cushion blocks are uniformly arranged on the peripheral wall of the shell, and pull rings are fixedly arranged on the adjusting knob.

In the implementation process, the friction force between the hands of the medical staff and the shell is enhanced, the holding stability of the medical staff is improved, and the anastomat is convenient to pull out through the pull ring.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also derive other related drawings based on these drawings without inventive effort.

FIG. 1 is a schematic structural view of an anorectal anastomat provided with an anal expansion structure according to an embodiment of the application;

FIG. 2 is a schematic structural view of a stapler assembly provided in accordance with an embodiment of the present disclosure;

FIG. 3 is a schematic view of a mandrel structure provided in an embodiment of the present application;

FIG. 4 is a schematic illustration of a push-out tube configuration provided in accordance with an embodiment of the present application;

FIG. 5 is a cross-sectional view of an anal dilation assembly provided in an embodiment of the present application;

FIG. 6 is a schematic structural view of an anal dilation assembly provided in an embodiment of the present application;

fig. 7 is an enlarged schematic structural diagram of a portion a in fig. 5 according to an embodiment of the present application.

In the figure: 10-a stapler assembly; 110-a housing; 111-a through-hole; 112-antiskid cushion blocks; 120-a push-out pipe; 121-bayonet lock; 122-a second stop; 130-a first return spring; 140-a mandrel; 141-adjusting thread section; 142-a first stop; 150-adjusting knob; 151-rotating cylinder; 152-anti-slip projections; 160-a nail bin; 170-nail abutting seat; 180-a firing handle; 181-trip; 182-a limit ring; 183-second return spring; 190-pull ring; 20-an anal dilatation assembly; 210-a fixed ring; 220-clamping a hoop; 230-a guide; 231-a fixed frame; 232-a guide bar; 233-sliding seat; 240-a movable strut; 250-an expansion board; 260-hinged seat.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

Referring to fig. 1-7, the present application provides an anorectal stapler with an anal dilation structure, which comprises a stapler assembly 10 and an anal dilation assembly 20.

Referring to fig. 2, 3 and 4, the stapler assembly 10 includes a housing 110, a push-out tube 120, a first return spring 130, a mandrel 140, an adjusting knob 150, a staple cartridge 160, a staple holder 170 and a firing handle 180, wherein one end of the push-out tube 120 slidably penetrates through the housing 110 and extends to the inside, the mandrel 140 is disposed in the push-out tube 120 in a penetrating manner, the first return spring 130 is sleeved outside the mandrel 140, two ends of the first return spring 130 are respectively and fixedly connected to one end of the push-out tube 120 and the mandrel 140, the nail bin 160 is fixedly connected to one end of the push-out tube 120 far away from the first return spring 130, the nail abutting seat 170 is fixedly connected to one end of the mandrel 140 near the nail bin 160, the adjusting knob 150 is in threaded sleeve connection with one end of the mandrel 140 far away from the nail abutting seat 170, and the adjusting knob 150 is rotatably connected with the housing 110, the firing handle 180 is hinged on the outer wall of the housing 110, and one end of the trigger handle 180 penetrating into the housing 110 is clamped to the outer wall of the push-out tube 120.

When the adjusting device is specifically arranged, the adjusting knob 150 is rotatably connected to one end, far away from the nail bin 160, of the shell 110 through the rotating cylinder 151, the adjusting knob 150 is stably rotated at the end of the shell 110 through the rotating cylinder 151, the anti-skidding protrusions 152 are arranged on the outer peripheral wall of the adjusting knob 150 in an array mode, the adjusting knob 150 is convenient to twist through the arrangement of the anti-skidding protrusions 152, an adjusting thread section 141 is arranged at one end, close to the adjusting knob 150, of the mandrel 140, the adjusting thread section 141 penetrates through the rotating cylinder 151 and is screwed into the adjusting knob 150, the mandrel 140 is driven to slide left and right in the push-out tube 120 through thread conduction of the adjusting knob 150 and the adjusting thread section 141, and therefore the position of the nail abutting seat 170 and the distance between the nail abutting seat and the nail bin 160 are adjusted.

Optionally, a first stop block 142 is fixedly disposed at a connection portion of the mandrel 140 and the adjusting thread section 141, a second stop block 122 is fixedly disposed at one end of the push-out tube 120, which is away from the nail bin 160, the first return spring 130 is fixedly disposed between the first stop block 142 and the second stop block 122, two clamping pins 121 are symmetrically and fixedly disposed on an outer peripheral wall of the push-out tube 120, which is close to the second stop block 122, the first return spring 130 is fixed between the push-out tube 120 and the mandrel 140 through the first stop block 142 and the second stop block 122, and the push-out tube 120 is reset by an elastic force of the first return spring 130.

In this application, the one end that percussion handle 180 stretched into in casing 110 has set firmly trip 181, trip 181 joint in bayonet lock 121, it is rotatory to press percussion handle 180, promote one section distance of push-out tube 120 stretching out casing 110 tip through the joint cooperation of trip 181 and bayonet lock 121, thereby drive the direction removal of nail storehouse 160 toward being close to nail seat 170, make the titanium nail seam affected part, it has spacing ring 182 with percussion handle 180 joint to articulate on the casing 110 periphery wall, entangle percussion handle 180 through spacing ring 182, need not the doctor continuously press percussion handle 180, reach laborsaving purpose, second reset spring 183 has set firmly between percussion handle 180 and the casing 110 periphery wall, the elastic force effect through second reset spring 183 resets percussion handle 180.

In some specific embodiments, a plurality of anti-slip pads 112 are uniformly disposed on the outer circumferential wall of the housing 110 to enhance the friction between the hands of the medical staff and the housing 110, so as to improve the holding stability, and a pull ring 190 is further fixedly disposed on the adjusting knob 150, so that the stapler can be conveniently pulled out through the pull ring 190.

Referring to fig. 5, 6 and 7, the anal dilation assembly 20 includes a fixing ring 210, a clip 220, a guide 230, a movable strut 240 and an expansion plate 250, wherein the clip 220 is fixedly sleeved outside the housing 110, the guide 230 is symmetrically installed on two sides of the clip 220, the expansion plate 250 is symmetrically covered on two sides of one end of the housing 110 close to the nail bin 160, one end of the expansion plate 250 is slidably connected to the guide 230, the fixing ring 210 is fixedly sleeved on one end of the push-out tube 120 close to the nail bin 160 at intervals, and the movable strut 240 penetrates through the housing 110 and is hinged between two ends of the fixing ring 210 and an inner wall of the expansion plate 250.

In this application, guide 230 includes fixed frame 231, guide bar 232 and sliding seat 233, and fixed frame 231 sets firmly in the clamp 220 periphery wall, and guide bar 232 sets firmly in fixed frame 231, and sliding seat 233 slides and cup joints in guide bar 232, and expansion plate 250 one end and sliding seat 233 fixed connection, through sliding fit of sliding seat 233 with guide bar 232, it is spacing to lead to expansion plate 250's flexible removal, can guarantee the stability that expansion plate 250 removed simultaneously.

Specifically, two through holes 111 have been seted up at the equal interval in both sides that casing 110 is close to nail storehouse 160 one end, through hole 111 and movable branch 240 clearance fit, through hole 111 and movable branch 240's clearance fit, the rotation to movable branch 240 limits, all set firmly articulated seat 260 on the upper and lower both ends of solid fixed ring 210 periphery wall and the expansion board 250 inner wall, movable branch 240 both ends are all rotated and are connected in articulated seat 260, make movable branch 240 both ends all can the free rotation through articulated seat 260, be convenient for promote expansion board 250 concertina movement.

The working principle of the anorectal anastomat with the anus expanding structure is as follows: when in use, firstly, the two expansion plates 250 are closed, medical staff holds the shell 110 by hand and inserts the two expansion plates 250 into the anus of a patient, twists the adjusting knob 150 by the anti-skid protrusions 152, drives the mandrel 140 and the nail abutting seat 170 to move in the direction far away from the nail bin 160 by the thread conduction of the adjusting knob 150 and the adjusting thread section 141 so as to adjust the position of the nail abutting seat 170 and the distance between the nail abutting seat 170 and the nail bin 160, so that an affected part is positioned between the nail abutting seat 170 and the nail bin 160, presses the trigger handle 180 to push the push-out tube 120 to stretch out of the end part of the shell 110 for a certain distance, thereby driving the nail bin 160 to move in the direction close to the nail abutting seat 170 so as to enable titanium nails to be sewed on the affected part, drives the fixing ring 210 to move forwards in the process of pushing out of the push-out tube 120, pushes the expansion plate 250 to expand outwards along the guide piece 230 by the rotation of the movable support rod 240, thereby expanding the internal space of the anus and facilitating the observation of the interior, the suturing condition of the internal affected part is accurately judged, the push-out tube 120 is reset by the elastic force of the first reset spring 130, so that the nail pushing bin 160 is separated from the nail pushing seat 170, and finally the affected part is pulled out.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An anorectal anastomat with an anus expanding structure is characterized by comprising

The anastomat assembly (10) comprises a shell (110), an ejector tube (120), a first return spring (130), a mandrel (140), an adjusting knob (150), a nail bin (160), a nail abutting seat (170) and a firing handle (180), one end of the ejector tube (120) penetrates through the shell (110) in a sliding mode and extends to the inside, the mandrel (140) penetrates through the ejector tube (120), the first return spring (130) is sleeved outside the mandrel (140), two ends of the first return spring (130) are fixedly connected to one end of the ejector tube (120) and the mandrel (140) respectively, the nail bin (160) is fixedly connected to one end, far away from the first return spring (130), of the ejector tube (120), and the nail abutting seat (170) is fixedly connected to one end, close to the nail bin (160), of the mandrel (140), the adjusting knob (150) is sleeved at one end, far away from the nail abutting seat (170), of the mandrel (140) in a threaded manner, the adjusting knob (150) is rotatably connected with the shell (110), the firing handle (180) is hinged to the outer wall of the shell (110), and one end, penetrating into the shell (110), of the firing handle (180) is clamped to the outer wall of the push-out pipe (120);

anal dilatation subassembly (20), anal dilatation subassembly (20) is including solid fixed ring (210), clamp (220), guide (230), activity branch (240) and expansion board (250), clamp (220) fixed cup joint in casing (110) is outside, guide (230) symmetry install in the both sides of clamp (220), expansion board (250) symmetry cover is located casing (110) is close to the both sides of nail storehouse (160) one end, just the one end sliding connection of expansion board (250) in guide (230), gu fixed ring (210) interval fixed cup joint in ejector tube (120) is close to the one end of nail storehouse (160), activity branch (240) run through casing (110) articulated set up in gu fixed ring (210) both ends with between expansion board (250) the inner wall.

2. The anorectal anastomat provided with the anus expanding structure according to claim 1, wherein the upper end and the lower end of the outer peripheral wall of the fixing ring (210) and the inner wall of the expansion plate (250) are respectively and fixedly provided with a hinge seat (260), and the two ends of the movable support rod (240) are respectively and rotatably connected to the hinge seats (260).

3. The anorectal anastomat provided with the anus expanding structure according to claim 1, wherein two through holes (111) are formed in two sides of one end, close to the nail bin (160), of the shell (110) at intervals, and the through holes (111) are in clearance fit with the movable supporting rod (240).

4. The anorectal anastomat provided with the anus expanding structure according to claim 1, wherein the guide piece (230) comprises a fixing frame (231), a guide rod (232) and a sliding seat (233), the fixing frame (231) is fixedly arranged on the outer peripheral wall of the clamp (220), the guide rod (232) is fixedly arranged in the fixing frame (231), the sliding seat (233) is slidably sleeved on the guide rod (232), and one end of the expansion plate (250) is fixedly connected with the sliding seat (233).

5. The anorectal stapler with the anus expanding structure according to claim 1, wherein the adjusting knob (150) is rotatably connected to one end, far away from the nail bin (160), of the shell (110) through a rotating cylinder (151), and anti-skidding protrusions (152) are arranged on the outer peripheral wall of the adjusting knob (150) in an array mode.

6. The anorectal anastomat provided with the anus expanding structure according to claim 5, wherein one end of the mandrel (140) close to the adjusting knob (150) is provided with an adjusting thread section (141), the adjusting thread section (141) penetrates through the rotating cylinder (151) and is screwed into the adjusting knob (150), and a first stopper (142) is fixedly arranged at the joint of the mandrel (140) and the adjusting thread section (141).

7. The anorectal anastomat provided with the anus expanding structure according to claim 6, wherein a second stop block (122) is fixedly arranged at one end, away from the nail bin (160), of the push-out pipe (120), the first return spring (130) is fixedly arranged between the first stop block (142) and the second stop block (122), and two clamping pins (121) are symmetrically and fixedly arranged on the outer peripheral wall, close to the second stop block (122), of the push-out pipe (120).

8. The anorectal anastomat with the anus expanding structure as claimed in claim 7, wherein a hook (181) is fixedly arranged at one end of the firing handle (180) extending into the shell (110), and the hook (181) is clamped with the clamping pin (121).

9. The anorectal anastomat provided with the anus expanding structure according to claim 8, wherein a limiting ring (182) clamped with the triggering handle (180) is hinged to the outer peripheral wall of the shell (110), and a second return spring (183) is fixedly arranged between the triggering handle (180) and the outer peripheral wall of the shell (110).

10. The anorectal anastomat with the anus expanding structure is characterized in that a plurality of anti-slip cushion blocks (112) are uniformly arranged on the outer circumferential wall of the shell (110), and a pull ring (190) is fixedly arranged on the adjusting knob (150).