CN111012424A - Endoscope linear cutting anastomat - Google Patents
Endoscope linear cutting anastomat Download PDFInfo
- Publication number
- CN111012424A CN111012424A CN201911372130.7A CN201911372130A CN111012424A CN 111012424 A CN111012424 A CN 111012424A CN 201911372130 A CN201911372130 A CN 201911372130A CN 111012424 A CN111012424 A CN 111012424A
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- CN
- China
- Prior art keywords
- assembly
- nail
- barrel
- shell
- outer cylinder
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- Pending
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
Abstract
The invention relates to an endoscope linear cutting anastomat which comprises a shell assembly, a firing assembly, a propelling assembly, a nail box assembly and a rotary positioning sleeve, wherein the firing assembly is arranged at the rear part of the shell assembly; the housing assembly includes a rear housing and a front barrel; the rotary positioning sleeve is arranged on the gun barrel at the front part and comprises an inner cylinder and an outer cylinder arranged on the inner cylinder, and the outer cylinder can rotate around the inner cylinder; the inner barrel is fixed with the front barrel. According to the endoscope linear cutting anastomat, the traditional rotary head structure is improved into the rotary positioning sleeve type, the angle of the anastomat after adjustment can be maintained by utilizing the rotary positioning sleeve, and advantages and convenience in operation are provided for improving operation precision.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an endoscope linear cutting anastomat.
Background
With the development of medical technology, medical anastomats are more and more widely applied. Anorectal staplers, a category of medical staplers, have been developed into various models, such as "an anorectal stapler" disclosed in chinese patent application CN201320215333.7, a "double push rod anorectal stapler" disclosed in chinese patent application cn201420761577.x, and a "disposable linear cutting stapler" disclosed in chinese patent application CN201720045978, and so on.
Above-mentioned anastomat has solved practicality and security problem to a certain extent, but still is not enough in the aspect of its convenient to use nature, especially the concrete expression is for can't convenient carrying on angle conversion on the straight line cutting anastomat, and can not fix a position the angle, as described in CN201720045978 open "disposable straight line cutting anastomat", when the doctor need adjust the relative and focus angle of straight line cutting anastomat in the operation, need adjust rotating head 4 earlier to make barrel shell 3 rotate certain angle, if loosen casing 6 (rotating head 4 has the hand to hold always), can lead to above-mentioned angle to change this moment, influence the operation precision.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an endoscope linear cutting anastomat, wherein the traditional rotary head structure is improved into a rotary positioning sleeve type, the adjusted angle of the anastomat can be maintained by utilizing the rotary positioning sleeve, and favorable conditions are provided for improving the operation precision.
In order to achieve the purpose, the invention adopts the technical scheme that: an endoscope linear cutting anastomat comprises a shell assembly, a firing assembly, a propelling assembly, a nail box assembly and a rotary positioning sleeve, wherein the firing assembly is installed at the rear part of the shell assembly, the propelling assembly is installed in the shell assembly, the nail box assembly is installed at the front end of the shell assembly, and the nail box assembly is respectively connected with the propelling assembly and the firing assembly; the housing assembly includes a rear housing and a front barrel; the rotary positioning sleeve is arranged on the gun barrel at the front part and comprises an inner cylinder and an outer cylinder arranged on the inner cylinder, and the outer cylinder can rotate around the inner cylinder; the inner barrel is fixed with the front barrel.
The inner cylinder comprises an inner cylinder body, a sliding groove arranged on the inner cylinder body and a positioning hole arranged in the sliding groove.
The outer cylinder comprises an outer cylinder body and a positioning mechanism; the positioning mechanism is arranged in the outer barrel and comprises a lower pressing rod, a return spring, a connecting rod and a positioning rod; the outer cylinder body is of a hollow structure, a slip ring is arranged on the inner side surface of the outer cylinder body, and a holding groove matched with a hand is arranged on the outer side surface of the outer cylinder body; the holding groove is provided with a pressure rod hole, and the lower pressure rod can move up and down in the pressure rod hole; the connecting rod is hinged with the lower pressing rod and the positioning rod respectively; the middle part of the connecting rod is hinged on the outer cylinder body; the reset spring is arranged in the pressure rod hole, and the bottom of the pressure rod hole is provided with a baffle A; and the lower pressing rod is provided with a baffle B, and the baffle B is connected with a return spring.
The inside trigger and the propulsion subassembly of being provided with of rear portion casing, the inside of anterior barrel is provided with barrel inner core assembly, the inside of barrel inner core assembly is provided with the firing pole subassembly, the one end and the propulsion subassembly of anterior barrel are connected, rear portion housing face is opened there is the propulsion groove that corresponds with the propulsion subassembly, be provided with the cap that resets in the propulsion groove, the cap one end that resets is connected with the propulsion subassembly, the one end that rear portion housing face is close to the rotational positioning cover is provided with the safety button, the front end of anterior barrel is provided with nail casket shell, the bottom of nail casket shell is the nail casket base, the bottom card of nail casket base is held there is the protective sheath, nail casket shell one end is provided with supports nail seat and nail storehouse.
One end of the nail abutting seat is rotatably connected with the nail box shell.
One surface of the nail bin close to the nail abutting seat is provided with a plurality of through holes, and a plurality of titanium nails are arranged inside the nail bin.
The nail box is characterized in that a plurality of clamping blocks are arranged on the side wall of one end, connected with the front barrel, of the nail box shell, and a rotating rod is arranged inside the nail box shell.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the traditional rotary head structure is improved into a rotary positioning sleeve type, and the adjusted angle of the anastomat can be maintained by utilizing the rotary positioning sleeve, so that favorable conditions are provided for improving the operation precision.
2. The operation is convenient, when a person holds the outer barrel, the pressing rod is pressed by hands, the positioning rod is pulled out from the positioning hole through the connecting rod, the outer barrel is separated from the inner barrel, and the front barrel can rotate relative to the outer barrel to adjust the angle; when the staff leaves depression bar, depression bar automatic re-setting under reset spring's effect, during the locating lever inserted the vacancy hole, made urceolus and inner tube fixed connection, at this moment, as long as urceolus position and angle do not change, the angle and the position of anterior barrel just can not change, make the doctor can follow leisurely under other auxiliary personnel's help perform the operation, improve the accuracy nature of operation.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1 is a schematic diagram of the novel external structure of the present invention;
FIG. 2 is a schematic view of the present invention in partial cross-section;
FIG. 3 is a schematic view of a rotary positioning sleeve connection structure according to the present invention;
FIG. 4 is a schematic view of a push rod structure according to the present invention;
FIG. 5 is a partial cross-sectional structural view of the outer barrel of the present invention;
FIG. 6 is a schematic view of the outer shape of the inner cylinder of the present invention;
FIG. 7 is a schematic view of the magazine structure of the present invention;
FIG. 8 is a schematic view of a bendable staple cartridge in accordance with the present invention;
FIG. 9 is a schematic view of the staple cartridge of the present invention.
In the figure: 1. a firing rod assembly, 2, a gun barrel inner core assembly, 3, a front gun barrel, 4, a rotary positioning sleeve, 4-1, an outer barrel, 4-1-1, a rod pressing hole, 4-1-2, a baffle A, 4-1-3, a sliding ring, 4-2, an inner barrel, 4-2-1, a positioning hole, 4-2-2, a sliding groove, 5, a safety button, 6, a shell assembly, 7, a propelling assembly, 8, the nail magazine comprises a firing assembly, 9, a reset cap, 10, a nail magazine shell, 11, a nail magazine base, 12, a nail abutting seat, 13, a nail magazine, 14, a protective sleeve, 15, a clamping block, 16, a rotating rod, 17, a positioning mechanism, 17-1, a pressing rod, 17-1-1, baffle plates B, 17-2, a reset spring, 17-3, a connecting rod, 17-4 and a positioning rod.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
1-9, the housing assembly 6 comprises a rear housing and a front barrel 3, the rear housing is provided with a trigger for providing a firing force, and the rear housing comprises a firing assembly 8, a propelling assembly 7, a magazine assembly and a rotary positioning sleeve 4.
The firing assembly 8 is arranged at the rear part of the shell assembly 6, the propelling assembly 7 is arranged in the shell assembly 6, the staple box assembly is arranged at the front end of the shell assembly 6, and the staple box assembly is respectively connected with the propelling assembly 7 and the firing assembly 8; the rotary positioning sleeve 4 is arranged on the front barrel 3 and comprises an inner cylinder and an outer cylinder arranged on the inner cylinder, and the outer cylinder can rotate around the inner cylinder; the inner cylinder is fixed with the front barrel 3 and rotates together with the front barrel 3.
The inner cylinder comprises an inner cylinder body 4-2, a sliding groove 4-2-2 arranged on the inner cylinder body 4-2 and a positioning hole 4-2-1 arranged in the sliding groove 4-2-2. The number of the positioning holes 4-2-1 is 64-72, and the positioning holes are uniformly distributed so as to meet the requirements of different use angles of the anastomat.
The outer cylinder comprises an outer cylinder body 4-1 and a positioning mechanism 17; the positioning mechanism 17 is arranged in the outer cylinder 4-1 and comprises a lower pressing rod 17-1, a return spring 17-2, a connecting rod 17-3 and a positioning rod 17-4; the outer cylinder body 4-1 is a hollow structure, the inner side surface of the outer cylinder body is provided with a slip ring 4-1-3, and the outer side surface of the outer cylinder body is provided with a holding groove matched with a hand.
The holding groove is provided with a pressure rod hole 4-1-1, and the lower pressure rod 17-1 can move up and down in the pressure rod hole 4-1-1; the upper end of the lower pressure lever 17-1 is provided with a convex cap, so that when a person uses the hand to exert force, the positioning lever 17-4 can be pulled out from the positioning hole 4-2-1 by directly pressing the convex cap with a thumb through the hinged structure, and at the moment, the outer cylinder and the inner cylinder are separated from each other and can rotate mutually.
To achieve the above object, the positioning mechanism 17 is integrally installed at the outer cylinder 4-1.
When the hand force is removed from the convex cap of the lower pressing rod 17-1, the lower pressing rod 17-1 is pushed back under the action of the return spring 17-2, the positioning rod 17-4 is inserted into the positioning hole 4-2-1 under the action of the lever force, the outer cylinder and the inner cylinder are locked mutually, and the operation is simple and convenient.
The connecting rod 17-3 is hinged with the lower pressing rod 17-1 and the positioning rod 17-4 respectively; the middle part of the connecting rod 17-3 is hinged on the outer cylinder 4-1; the return spring 17-2 is arranged in the pressure rod hole 4-1-1, and the bottom of the pressure rod hole 4-1-1 is provided with a baffle A4-1-2; the lower pressure lever 17-1 is provided with a baffle B17-1-1, and the baffle B17-1-1 is connected with a return spring 17-2. That is, the return spring 17-2 is installed between the barrier B17-1-1 and the barrier A4-1-2.
The inside trigger and the propulsion subassembly 7 of being provided with of rear portion casing, the inside of anterior barrel 3 is provided with barrel inner core assembly 2, the inside of barrel inner core assembly 2 is provided with firing pole subassembly 8, the one end and the propulsion subassembly 7 of anterior barrel 3 are connected, rear portion housing face is opened has the propulsion groove that corresponds with propulsion subassembly 7, be provided with the cap 9 that resets in the propulsion groove, the cap 9 one end that resets is connected with propulsion subassembly 7, the one end that rear portion housing face is close to rotary positioning cover 4 is provided with safety button 5, the front end of anterior barrel 3 is provided with nail casket shell 10, the bottom of nail casket shell 10 is nail casket base 11, the bottom card of nail casket base 11 is held there is protective sheath 14, nail casket shell 11 one end is provided with and supports nail seat 12 and nail storehouse.
One end of the nail abutting seat 12 is rotatably connected with the nail box shell 10.
One surface of the nail bin 13 close to the nail abutting seat 12 is provided with a plurality of through holes, and a plurality of titanium nails are arranged inside the nail bin 13.
The side wall of the magazine housing 10 at one end connected to the front barrel 3 is provided with a plurality of locking blocks 15, and the inside of the magazine housing 10 is provided with a rotating rod 16.
Further, the straight cutting anastomat is used for inserting the anastomat into a proper puncture outfit or inserting the anastomat into a puncture outfit with a larger size through a converter, before a jaw is opened in a body cavity, the nail abutting seat 12 is ensured to be completely exposed out of a puncture outfit sleeve, after the nail box shell 10 is completely inserted into the cavity, the reset cap 9 is pulled to the bottom backwards, the jaw opening steering knob is in an initial position, and the trigger cannot be pulled after the reset cap 9 is reset.
The magazine, which is provided with a turning lever 16, can be bent and the turning knob can be selectively turned to turn the magazine head to a desired angular position depending on the position of the tissue to be stapled. If not, the tissue to be cut is placed into the jaw of the instrument without rotating a steering knob, so that no other obstacles, such as placed staples or titanium clips, exist in the jaw; which otherwise may result in incomplete cutting or poor staple formation, the instrument does not cut tissue in areas other than the "cut end," and if the tissue to be cut exceeds the length of the staple cartridge, more than 1 staple cartridge is required, and the trigger is pulled once to close the jaws containing the tissue to be cut. The instrument has built-in safety means, and the instrument will not be fired and cut tissue until the safety button 5 is not pressed, and after the instrument is fully fired, the reset cap 9 is pulled back to the bottom to open the jaws and remove the instrument carefully. The invention has the advantages of reliable quality, convenient use, tightness and proper tightness, particularly quick suture, simple and convenient operation, few side effects and operation complications, simple and convenient operation, operation time saving, one-time use and avoidance of cross infection.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (7)
1. A cavity mirror linear cutting anastomat comprises a shell assembly, a firing assembly, a propelling assembly and a nail box assembly, wherein the firing assembly is installed at the rear part of the shell assembly, the propelling assembly is installed in the shell assembly, the nail box assembly is installed at the front end of the shell assembly, and the nail box assembly is respectively connected with the propelling assembly and the firing assembly; the housing assembly includes a rear housing and a front barrel, characterized in that: the device also comprises a rotary positioning sleeve; the rotary positioning sleeve is arranged on the gun barrel at the front part and comprises an inner cylinder and an outer cylinder arranged on the inner cylinder, and the outer cylinder can rotate around the inner cylinder; the inner barrel is fixed with the front barrel.
2. The endoscopic linear cutting stapler according to claim 1, characterized in that: the inner cylinder comprises an inner cylinder body, a sliding groove arranged on the inner cylinder body and a positioning hole arranged in the sliding groove.
3. The endoscopic linear cutting stapler according to claim 1, characterized in that: the outer cylinder comprises an outer cylinder body and a positioning mechanism; the positioning mechanism is arranged in the outer barrel and comprises a lower pressing rod, a return spring, a connecting rod and a positioning rod; the outer cylinder body is of a hollow structure, a slip ring is arranged on the inner side surface of the outer cylinder body, and a holding groove matched with a hand is arranged on the outer side surface of the outer cylinder body; the holding groove is provided with a pressure rod hole, and the lower pressure rod can move up and down in the pressure rod hole; the connecting rod is hinged with the lower pressing rod and the positioning rod respectively; the middle part of the connecting rod is hinged on the outer cylinder body; the reset spring is arranged in the pressure rod hole, and the bottom of the pressure rod hole is provided with a baffle A; and the lower pressing rod is provided with a baffle B, and the baffle B is connected with a return spring.
4. The endoscopic linear cutting stapler according to claim 1, characterized in that: the inside trigger and the propulsion subassembly of being provided with of rear portion casing, the inside of anterior barrel is provided with barrel inner core assembly, the inside of barrel inner core assembly is provided with the firing pole subassembly, the one end and the propulsion subassembly of anterior barrel are connected, rear portion housing face is opened there is the propulsion groove that corresponds with the propulsion subassembly, be provided with the cap that resets in the propulsion groove, the cap one end that resets is connected with the propulsion subassembly, the one end that rear portion housing face is close to the rotational positioning cover is provided with the safety button, the front end of anterior barrel is provided with nail casket shell, the bottom of nail casket shell is the nail casket base, the bottom card of nail casket base is held there is the protective sheath, nail casket shell one end is provided with supports nail seat and nail storehouse.
5. The endoscopic linear cutting stapler according to claim 4, characterized in that: one end of the nail abutting seat is rotatably connected with the nail box shell.
6. The endoscopic linear cutting stapler according to claim 4, characterized in that: one surface of the nail bin close to the nail abutting seat is provided with a plurality of through holes, and a plurality of titanium nails are arranged inside the nail bin.
7. The endoscopic linear cutting stapler according to claim 4, characterized in that: the nail box is characterized in that a plurality of clamping blocks are arranged on the side wall of one end, connected with the front barrel, of the nail box shell, and a rotating rod is arranged inside the nail box shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911372130.7A CN111012424A (en) | 2019-12-27 | 2019-12-27 | Endoscope linear cutting anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911372130.7A CN111012424A (en) | 2019-12-27 | 2019-12-27 | Endoscope linear cutting anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111012424A true CN111012424A (en) | 2020-04-17 |
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ID=70214970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911372130.7A Pending CN111012424A (en) | 2019-12-27 | 2019-12-27 | Endoscope linear cutting anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111012424A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112971894A (en) * | 2021-02-24 | 2021-06-18 | 苏州伟康医疗器械有限公司 | Endoscope anastomat assembly swinging mechanism capable of rotating at multiple angles |
| CN113367754A (en) * | 2021-07-10 | 2021-09-10 | 江苏康赛医疗器械科技有限公司 | Linear cutting anastomat with safety assembly |
| CN114795347A (en) * | 2022-04-27 | 2022-07-29 | 湖南省拓影数字医疗有限公司 | Automatic returning mechanism for electric anastomat and electric anastomat |
-
2019
- 2019-12-27 CN CN201911372130.7A patent/CN111012424A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112971894A (en) * | 2021-02-24 | 2021-06-18 | 苏州伟康医疗器械有限公司 | Endoscope anastomat assembly swinging mechanism capable of rotating at multiple angles |
| CN113367754A (en) * | 2021-07-10 | 2021-09-10 | 江苏康赛医疗器械科技有限公司 | Linear cutting anastomat with safety assembly |
| CN113367754B (en) * | 2021-07-10 | 2024-01-16 | 江苏康赛医疗器械科技有限公司 | Linear cutting anastomat with safety component |
| CN114795347A (en) * | 2022-04-27 | 2022-07-29 | 湖南省拓影数字医疗有限公司 | Automatic returning mechanism for electric anastomat and electric anastomat |
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