CN113349851B - Duodenum intracavity spreader - Google Patents
Duodenum intracavity spreader Download PDFInfo
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- CN113349851B CN113349851B CN202110805032.9A CN202110805032A CN113349851B CN 113349851 B CN113349851 B CN 113349851B CN 202110805032 A CN202110805032 A CN 202110805032A CN 113349851 B CN113349851 B CN 113349851B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00818—Treatment of the gastro-intestinal system
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a duodenum intracavity distractor, which comprises: the surface of the block body is provided with an operation opening, and the upper surface of the block body is provided with a mounting groove communicated with the operation opening; the supporting assemblies are divided into two groups, and each supporting assembly comprises a bracket and an inner core of the pusher, wherein the inner core of the pusher is fixedly arranged in the bracket; drive assembly, drive assembly is used for providing two sets ofly the supporting component is in carry out the ascending relative movement of horizontal direction in the operation mouth, drive assembly cup joints including the threaded rod and two threads that both sides screw thread opposite direction about the threaded rod the slider on both sides about the threaded rod, the threaded rod horizontal rotation is installed in the mounting groove, two the slider is respectively through two connecting rods and two pusher inner core fixed connection. The spreader can realize natural support in a soft cavity, can also realize full exposure of an area needing an operation in an intestinal cavity, and is very favorable for operation in the operation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a duodenum cavity dilator.
Background
The lesion of the papilla of the duodenum often requires the operation on the papilla area of the duodenum, and the duodenum is positioned behind the abdomen in our abdominal cavity, the anatomical structure is very complex, and the operation of the duodenum becomes one of the most dangerous and difficult operations of abdominal surgery; also, the space available for the operator to operate becomes very small, and the operation time becomes extremely long, greatly increasing the chance of postoperative complications.
When the operation is performed in the area, the intestinal lumen needs to be cut frequently, and the duodenal papilla needs to be finely operated, the duodenum is pulled by using surgical instruments such as vascular forceps under the help of an assistant in the traditional method, but the duodenum is in a collapse state, the space in the abdominal cavity is extremely narrow, the dissection of the duodenal papilla cannot be completely exposed at all, and the operation of a main surgeon is extremely difficult.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, when a duodenum operation is carried out, the duodenum is in a collapse state, the space in an abdominal cavity is extremely narrow, and the duodenum nipple cannot be completely exposed for dissection, so that a doctor knife is extremely difficult to operate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a duodenal endoluminal distractor comprising:
the block body is used for bearing the installation of each component and part, an operation opening is formed in the surface of the block body, and an installation groove communicated with the operation opening is formed in the upper surface of the block body;
the support assemblies are divided into two groups, and each support assembly comprises a support and a pusher inner core fixedly arranged in the support;
drive assembly, drive assembly is used for providing two sets ofly support assembly is in carry out the ascending relative movement of horizontal direction in the operation mouth, drive assembly cup joints including the threaded rod and two threads that both sides screw thread opposite direction about the threaded rod the slider on both sides about the threaded rod, the threaded rod horizontal rotation is installed in the mounting groove, two the slider is respectively through two connecting rods and two pusher inner core fixed connection.
Preferably, drive assembly still including the worm with fix the cup joint the worm wheel of department in the middle of the threaded rod, the worm rotates perpendicularly and installs in the mounting groove, and with the worm wheel meshing is connected, the one end of worm stretches out the mounting groove is fixed to be cup jointed the regulating wheel.
Preferably, a sliding groove is horizontally formed in the groove wall of the mounting groove, a limiting rod is vertically and fixedly mounted on one surface, close to the sliding groove, of the sliding block, and one end, far away from the sliding block, of the limiting rod is slidably mounted in the sliding groove.
Preferably, the support is clamped with the inner core of the pusher through a connecting assembly, and the connecting assembly comprises a clamping component fixedly connected with the inner core of the pusher, a locking component fixedly connected with the support and a resetting component for releasing the clamping state.
Preferably, the locking part includes two locking blocks, two locking block symmetry fixed mounting be in the inner wall of support, and the surface level is equipped with the socket, the locking mouth that is linked together with the socket is seted up perpendicularly to the locking block lower surface.
Preferably, the joint part includes two symmetry perpendicular fixed mounting and is in L type pole, two springs and two joint pieces on pusher inner core surface, two L type pole is kept away from the one end fixed mounting of pusher inner core has the dead lever, two the spring perpendicular fixed mounting is two respectively the lower surface of dead lever, and the other end respectively with two joint piece fixed connection.
Preferably, the reset part comprises a slide rod and a slide plate sleeved on the slide rod in a sliding manner, one surface, close to each other, of the two locking blocks is vertically provided with a slide opening communicated with the locking opening, the slide rod is vertically and fixedly installed in the slide opening, and the bottom end of the slide rod is fixedly provided with a limiting block.
Preferably, the caliber of the socket is gradually reduced, and the clamping block is fan-shaped.
Preferably, the upper surface of the block body is provided with scales.
Compared with the prior art, the invention has the beneficial effects that:
1. when the duodenum operation is carried out, the block body is only required to be placed into an incision on the intestinal wall, namely the intestinal cavity, then the driving assembly is used for controlling the two brackets in the two groups of supporting assemblies to be propped open towards the two ends of the intestinal cavity, and after the duodenum operation is released, a worker can carry out the operation through the operation opening formed in the surface of the block body, and the propping device can realize the natural support in a soft cavity channel and can also realize the full exposure of an area needing the operation in the intestinal cavity, so that the duodenum operation is very favorable for the operation in the operation;
2. the bracket in the supporting assembly is required to be detached for replacement or cleaning after each operation, and the bracket and the pusher inner core in the invention can be rapidly installed and detached through the mutual matching of the clamping component, the locking component and the resetting component, so that the operation is convenient and rapid, and the working efficiency of replacing the bracket is improved.
Drawings
Fig. 1 is a schematic front perspective view of a duodenal lumen dilator provided by the present invention;
fig. 2 is a schematic top perspective view of the spreader in the duodenal cavity according to the present invention;
fig. 3 is a schematic side perspective view of the spreader in the duodenal cavity according to the present invention;
FIG. 4 is a schematic view of a partial cross-sectional perspective structure of a locking block of the spreader in the duodenal lumen according to the present invention;
FIG. 5 is a schematic cross-sectional view of a locking block of the duodenal lumen dilator;
FIG. 6 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 7 is an enlarged view of the structure at B in FIG. 2;
fig. 8 is an enlarged schematic view of the structure at C in fig. 3.
In the figure: the device comprises a block body 1, an operation opening 2, a support assembly 3, a support 31, a pusher inner core 32, a drive assembly 4, a threaded rod 41, a slider 42, a worm 43, a worm wheel 44, a connecting rod 5, a mounting groove 6, an adjusting wheel 7, a sliding groove 8, a limiting rod 9, a locking block 10, a socket 11, a locking opening 12, a L-shaped rod 13, a spring 14, a clamping block 15, a sliding rod 16, a sliding plate 17, a sliding opening 18, a limiting block 19, a fixing rod 20 and a scale 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 8, a duodenal lumen dilator comprises:
the block body 1 is used for bearing the installation of each component and part, the surface of the block body 1 is provided with an operation opening 2, and the upper surface of the block body 1 is provided with an installation groove 6 communicated with the operation opening 2;
the supporting assemblies 3 are divided into two groups, and each supporting assembly 3 comprises a bracket 31 and a pusher inner core 32 fixedly arranged in the bracket 31;
the driving assembly 4 is used for providing the two groups of supporting assemblies 3 for relative movement in the horizontal direction in the operation opening 2, the driving assembly 4 comprises a threaded rod 41 with opposite thread directions on the left side and the right side and two sliding blocks 42 with threads sleeved on the left side and the right side of the threaded rod 41, the threaded rod 41 is horizontally and rotatably installed in the installation groove 6, and the two sliding blocks 42 are respectively fixedly connected with the two pusher inner cores 32 through two connecting rods 5.
In the embodiment of the technical scheme, when the duodenal surgery is performed, as long as the block body 1 is placed in a cut on the intestinal wall, namely, in the intestinal cavity, then the two supports 31 in the two groups of supporting assemblies 3 are controlled to be propped open towards the two ends of the intestinal cavity through the driving assembly 4, and after the duodenal surgery is released, a worker can perform the surgery through the operation opening 2 formed in the surface of the block body 1, the propping device can realize natural support in a soft cavity channel, and meanwhile, the region which needs to be operated in the intestinal cavity can be fully exposed, so that the duodenal surgery is very favorable for the operation in the surgery.
In the preferred technical solution of this embodiment, the driving assembly 4 further includes a worm 43 and a worm wheel 44 fixedly sleeved in the middle of the threaded rod 41, the worm 43 is vertically and rotatably installed in the installation groove 6 and is engaged with the worm wheel 44, and one end of the worm 43 extends out of the installation groove 6 and is fixedly sleeved with the adjusting wheel 7. The adjusting wheel 7 is rotated, at the same time, the worm 43 rotates, so that the worm wheel 44 which is meshed with the worm 43 and fixedly sleeved on the threaded rod 41 drives the threaded rod 41 to rotate together, at the same time, the two sliding blocks 42 which are in threaded sleeve connection on the left side and the right side of the threaded rod 41 drive the two pusher inner cores 32 which are fixedly connected with the pusher inner cores 32 through the connecting rod 5 to move together, and the pusher inner cores 32 are fixedly arranged inside the bracket 31, so that the bracket 31 can also move in the horizontal direction in the operation opening 2 at the same time.
In the preferred technical scheme of this embodiment, the chute 8 has been seted up to 6 cell walls levels of mounting groove, and the perpendicular fixed mounting of the one side that slider 42 is close to chute 8 has gag lever post 9, and the one end slidable mounting that gag lever post 9 kept away from slider 42 is in chute 8. The limit rod 9 can only move in the horizontal direction in the sliding groove 8, so that the sliding block 42 fixedly connected with the limit rod 9 can only move in the horizontal direction when the threaded rod 41 rotates, and cannot rotate along with the threaded rod 41.
In a preferred technical solution in this embodiment, the bracket 31 is clamped with the pusher inner core 32 through a connecting assembly, and the connecting assembly includes a clamping component fixedly connected with the pusher inner core 32, a locking component fixedly connected with the bracket 31, and a reset component for releasing the clamping state. Every time after operation, the support 31 in the supporting component 3 needs to be detached for replacement or cleaning, the support 31 and the pusher inner core 32 in the invention can be rapidly installed and detached through the mutual matching of the clamping component, the locking component and the resetting component, the operation is convenient and rapid, and the work efficiency of replacing the support 31 is improved.
In the preferred technical scheme in this embodiment, the locking part includes two locking blocks 10, two locking blocks 10 are symmetrically and fixedly installed on the inner wall of the support 31, the surface of the locking block is horizontally provided with a socket 11, and the lower surface of the locking block 10 is vertically provided with a locking opening 12 communicated with the socket 11. The two locking blocks 10 are used for matching with a clamping part fixedly connected with the pusher inner core 32, so that the work of installing and disassembling the support 31 can be quickly realized.
According to the preferable technical scheme in the embodiment, the clamping parts comprise two L-shaped rods 13, two springs 14 and two clamping blocks 15, the two L-shaped rods 13 are symmetrically, vertically and fixedly installed on the surface of the pusher inner core 32, fixing rods 20 are fixedly installed at one ends, far away from the pusher inner core 32, of the two L-shaped rods 13, the two springs 14 are respectively and vertically and fixedly installed on the lower surfaces of the two fixing rods 20, and the other ends of the two springs are respectively and fixedly connected with the two clamping blocks 15. As long as will with two locking blocks 10 of support 31 inner wall symmetry fixed mounting move towards the tip of two L type poles 13, two L type poles 13 can get into gradually in the socket 11 that two locking block 10 surfaces were seted up, thereby the surface of two joint pieces 15 also can with the mouth wall sliding contact of socket 11, spring 14 also can be in the state of compression this moment, when joint piece 15 removed to locking mouth 12 department, 11 mouth walls of socket no longer offset with joint piece 15 this moment, thereby to 14 acting force disappearing of supporting pressing of spring, spring 14 just can take joint piece 15 to remove to locking mouth 12 formation joint fast under self elastic potential energy.
In the preferred technical scheme in this embodiment, the reset component includes a slide bar 16 and a slide plate 17 slidably sleeved on the slide bar 16, one side of each of the two locking blocks 10, which is close to each other, is vertically provided with a slide opening 18 communicated with the locking opening 12, the slide bar 16 is vertically and fixedly installed in the slide opening 18, and the bottom end of the slide bar is fixedly provided with a limit block 19. Stopper 19 can prevent slide 17 that the slip cap was established on slide bar 16 from landing from slide bar 16 under the effect of self gravity, when the joint state between joint piece 15 and locking opening 12 needs to be relieved, as long as upwards promote slide 17, slide 17 is at the in-process that shifts up, the upper surface can offset with the lower surface that is located the joint piece 15 of locking opening 12, continue to push up, spring 14 with joint piece 15 fixed connection can contract this moment, and then joint piece 15 also can shift up, when joint piece 15 shifts out locking opening 12, the joint between joint piece 15 and the locking opening 12 has just been relieved, take out support 31 this moment can, convenient and fast.
In the preferred technical scheme of this embodiment, the caliber of the socket 11 is gradually reduced, and the shape of the clamping block 15 is a sector. When joint piece 15 got into from socket 11, joint piece 15's surface can be with the mouth wall sliding contact of socket 11 this moment, because the aperture of socket 11 reduces gradually, thereby spring 14 can take place the shrink gradually along with joint piece 15 removal in socket 11 this moment, when joint piece 15 removed to locking mouth 12 department, 11 mouthful walls of socket 11 no longer offset with joint piece 15 this moment, thereby to spring 14 support the pressure effort disappearance, spring 14 just can be under the elastic potential energy of self fast take joint piece 15 to remove and form the joint in locking mouth 12.
In the preferred technical scheme of this embodiment, the upper surface of the block body 1 is provided with a scale 21. The staff can be audio-visual according to the specific position of two sets of supporting component 3 of scale 21 quick adjustment on 1 upper surface of block when carrying out horizontal migration in operation mouth 2, convenient and fast.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A duodenal endoluminal distractor, comprising:
the block body (1) is used for bearing the installation of each component and part, an operation opening (2) is formed in the surface of the block body (1), and an installation groove (6) communicated with the operation opening (2) is formed in the upper surface of the block body (1);
the supporting assemblies (3) are divided into two groups, and each supporting assembly (3) comprises a support (31) and an inner core (32) of the pusher, wherein the inner cores of the pusher are fixedly arranged in the supports (31);
the driving assembly (4) is used for providing relative movement of the two groups of supporting assemblies (3) in the horizontal direction in the operation opening (2), the driving assembly (4) comprises a threaded rod (41) with opposite thread directions on the left side and the right side and two sliding blocks (42) sleeved on the left side and the right side of the threaded rod (41) in a threaded manner, the threaded rod (41) is horizontally and rotatably installed in the installation groove (6), and the two sliding blocks (42) are fixedly connected with the two pusher inner cores (32) through two connecting rods (5) respectively;
the bracket (31) is clamped with the pusher inner core (32) through a connecting assembly, and the connecting assembly comprises a clamping component fixedly connected with the pusher inner core (32), a locking component fixedly connected with the bracket (31) and a resetting component used for releasing the clamping state;
the locking part comprises two locking blocks (10), the two locking blocks (10) are symmetrically and fixedly installed on the inner wall of the support (31), a socket (11) is horizontally arranged on the surface of the locking blocks, and a locking opening (12) communicated with the socket (11) is vertically formed in the lower surface of each locking block (10);
the clamping component comprises two L-shaped rods (13), two springs (14) and two clamping blocks (15), the two L-shaped rods (13) are symmetrically and vertically fixedly installed on the surface of the pusher inner core (32), one ends, far away from the pusher inner core (32), of the two L-shaped rods (20) are fixedly installed with fixing rods (20), the two springs (14) are respectively and vertically fixedly installed on the lower surfaces of the two fixing rods (20), and the other ends of the two springs are respectively and fixedly connected with the two clamping blocks (15);
the reset component comprises a slide rod (16) and a slide plate (17) sleeved on the slide rod (16) in a sliding manner, one surface, close to each other, of the two locking blocks (10) is vertically provided with a slide opening (18) communicated with the locking opening (12), the slide rod (16) is vertically and fixedly installed in the slide opening (18), and a limiting block (19) is fixedly installed at the bottom end of the slide rod.
2. The duodenal lumen dilator according to claim 1, wherein the driving assembly (4) further comprises a worm (43) and a worm wheel (44) fixedly sleeved at the middle of the threaded rod (41), the worm (43) is vertically and rotatably installed in the installation groove (6) and is in meshed connection with the worm wheel (44), and one end of the worm (43) extends out of the installation groove (6) and is fixedly sleeved with an adjusting wheel (7).
3. The duodenal luminal spreader as claimed in claim 1, wherein a chute (8) is horizontally formed in the groove wall of the mounting groove (6), a limiting rod (9) is vertically and fixedly mounted on one surface of the sliding block (42) close to the chute (8), and one end of the limiting rod (9) far away from the sliding block (42) is slidably mounted in the chute (8).
4. The duodenal endoluminal distractor according to claim 1, wherein the caliber of the socket (11) is gradually reduced, and the shape of the clamping block (15) is a sector.
5. The duodenal endoluminal distractor according to claim 1, characterized in that the block (1) has a scale (21) on its upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110805032.9A CN113349851B (en) | 2021-07-16 | 2021-07-16 | Duodenum intracavity spreader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110805032.9A CN113349851B (en) | 2021-07-16 | 2021-07-16 | Duodenum intracavity spreader |
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| Publication Number | Publication Date |
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| CN113349851A CN113349851A (en) | 2021-09-07 |
| CN113349851B true CN113349851B (en) | 2023-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110805032.9A Active CN113349851B (en) | 2021-07-16 | 2021-07-16 | Duodenum intracavity spreader |
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| Publication number | Publication date |
|---|---|
| CN113349851A (en) | 2021-09-07 |
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