CN112890899B

CN112890899B - High-safety cutting anastomat with blocking mechanism

Info

Publication number: CN112890899B
Application number: CN202110189573.3A
Authority: CN
Inventors: 陈飞; 宋杰
Original assignee: Suzhou Frankenman Medical Equipment Co Ltd
Current assignee: Suzhou Frankenman Medical Equipment Co Ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2022-02-08
Anticipated expiration: 2041-02-19
Also published as: CN112890899A

Abstract

The utility model provides a high-safety cutting anastomat with a blocking mechanism, which comprises a handle main body, a guide pipe and an anastomosis head, wherein the guide pipe is embedded in the side surface of the handle main body, the anastomosis head is embedded in the end part of the guide pipe, a fixed handle is integrally injected at the bottom edge of the handle main body, one end of the fixed handle in the handle main body is connected with a movable handle through a pin shaft, an unlocking component is embedded in an inner cavity of the fixed handle, a safety component is embedded in an inner cavity of the movable handle, a one-way buckle is adopted to press the cambered surface of a tongue piece guide groove so as to drive the whole locking column to move upwards, when the holding action is completed, when the anastomat completes the surgical suture, the whole one-way buckle completely penetrates through the tongue piece guide groove, the locking column is pressed downwards due to the elasticity of a guide spring, the locking column is integrally limited through a guide sliding rail in the process of downwards moving of the locking column, after moving downwards, the one-way hasp is obliquely inserted into the hasp fixing hole of the locking column to realize complete locking.

Description

High-safety cutting anastomat with blocking mechanism

Technical Field

The utility model relates to the technical field of anastomats, in particular to a high-safety cutting anastomat with a blocking mechanism.

Background

Staplers are devices used in medicine to replace manual suturing, the main working principle being the detachment or anastomosis of tissue by titanium staples, similar to staplers. According to different application ranges, the surgical stapler can be mainly divided into a skin stapler, a circular stapler for digestive tracts (esophagus, stomach and intestine and the like), a rectal stapler, a circular hemorrhoid stapler, a circumcision stapler, a blood vessel stapler, a hernia stapler, a lung cutting stapler and the like. Scope of application of the endoscopic cutting stapler and the disposable cartridge, the endoscopic cutting stapler and the disposable cartridge are suitable for excision, transverse and anastomosis of tissues in abdominal, gynecological, pediatric and thoracic surgical operations. It can also be used for cutting and transecting liver parenchyma, liver blood vessel and gallbladder duct.

The safety mechanism of the linear type cutting anastomat with the Chinese patent number of CN205251612U comprises: the blade holder is installed at the rear part of assembly frame, and can remove along the length direction of assembly frame, the switch spare with the blade holder is connected, and hook portion sets up in one side that is close to the locking lever of assembly frame, and the dog sets up in one side that is close to of assembly frame the locking lever, the dog sets up in the place ahead of switch spare, and the spring button is connected with the locking lever through pole elastic component, and the card hook spare sets up on the spring button, and the switch drive subassembly is including installing the switch driving piece and the removal elastic component on the spring button, and the switch driving piece is connected with removing the elastic component, and being close to of switch driving piece the spring button is worn out to the one end of assembly frame. The utility model has simple structure and convenient use, can effectively avoid the unlocking of a locking rod and a component frame caused by misoperation in the process of triggering and resetting, can reduce the operation risk, and the safety mechanism of the execution component of the cutting anastomat with the Chinese patent number of CN104367357B comprises: the casing spare, with the rear end of binding clip is connected, be equipped with the percussion adjusting through-hole on the casing spare, set up in the inside inner core of casing spare, secondary percussion safety mechanism, include by preceding percussion safety block and the reed that sets gradually on the inner core after to, the front end of reed is equipped with secondary percussion and blocks the piece, be equipped with ejecting and block piece jack-up portion on the body of percussion safety block, connecting pin locking safety mechanism, including setting up the locking safety block on the inner core, spring part and locking piece, the bottom of locking safety block is equipped with the spacing groove, the both ends of spring part are connected with locking safety block and inner core respectively, the locking piece is in between locking safety block and the inner core, one of elasticity push pedal is served and is equipped with locking portion. The utility model has simple structure and convenient use, can prevent secondary firing and can prevent the closing of the jaws or the early firing caused by misoperation.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the high-safety cutting anastomat with the blocking mechanism, and the problem that the suture wound surface is damaged due to the phenomenon of rebounding after the anastomat is used is solved.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a high security cutting anastomat with stop mechanism, includes handle main part, stand pipe and coincide head, the side gomphosis of handle main part has the stand pipe, the tip gomphosis of stand pipe has the coincide head, the bottom edge integration of handle main part has moulded plastics fixed handle, fixed handle has movable handle at the inside one end round pin hub connection of handle main part, fixed handle's inner chamber gomphosis has the unblock subassembly, movable handle's inner chamber gomphosis has safe subassembly.

Preferably, the safety assembly comprises an assembly cavity formed in the movable handle, a top guide tongue is connected to the top of the assembly cavity through a pin shaft, a middle locking tongue is connected to the middle of the assembly cavity through a pin shaft, a one-way buckle is arranged at the end of the middle locking tongue, and a disposable sealing sheet is attached to the connecting edge of the assembly cavity and the movable handle 3.

Preferably, the connecting pin shaft of the assembly cavity and the top guide tongue and the connecting pin shaft between the assembly cavity and the middle locking tongue both adopt torsion spring shafts, and the torsion spring shafts are fixedly connected between the surfaces of the pin shafts and the cavity of the assembly cavity.

Preferably, the unblock subassembly includes the locking post of gomphosis in fixed handle cavity, the bottom of locking post is equipped with the tapered end of separating, the bottom of locking post corresponds the position at fixed handle inner chamber and installs the direction slide rail, the tongue piece guide way has been seted up at the middle part of locking post, the hasp fixed orifices has been seted up at the position above the tongue piece guide way in the middle part of locking post, the top of locking post is equipped with guide spring.

Preferably, the corresponding sliding groove of the top guide tongue is arranged at the top of the fixed handle, and the anti-falling block is embedded in the corresponding groove of the fixed handle.

Preferably, when the disposable product, the unblock subassembly includes the locking post of gomphosis in fixed handle cavity, the bottom of locking post is equipped with the guide way, be equipped with spacing spring between the inner chamber of guide way and the bottom of locking post, the tongue piece guide way has been seted up at the middle part of locking post, the hasp fixed orifices has been seted up at the position more than the tongue piece guide way in the middle part of locking post, the top of locking post is equipped with guide spring.

Preferably, the disposable sealing tape is a one-way plastic binding tape, and the middle part of the surface of the disposable sealing tape is surrounded by the easy-to-destroy sticker.

Preferably, the disposable sealing piece adopts a disposable adhesive tape, and the opening mode of the disposable sealing piece is that the middle part is torn down and the unsealing is removed to two sides.

Preferably, the through holes are formed in the connecting positions between the surface of the handle main body and the guide pipe, the edges of the through holes are rounded corners with the radius of 1mm, the holding surface of the movable handle is attached with a rubber sheet, and the rubber sheet on the surface of the movable handle is a bump type rubber sheet.

Advantageous effects

The utility model provides a high-safety cutting anastomat with a blocking mechanism. The method has the following beneficial effects:

1. the utility model adopts the one-way hasp to extrude the cambered surface of the tongue piece guide groove so as to drive the whole locking column to move upwards, when the holding action and the surgical suture of the anastomat are completed, the whole one-way hasp completely penetrates through the tongue piece guide groove, the locking column is extruded downwards due to the elasticity of the guide spring, the locking column is integrally limited by the guide slide rail in the process of moving downwards, and the one-way hasp is obliquely inserted into the hasp fixing hole of the locking column after moving downwards, so that the complete locking is realized.

2. The unlocking head is adopted to drive the locking column to move upwards, so that the one-way hasp and the hasp fixing hole are unlocked, the middle locking tongue is manually pulled back to the original position to be pasted with the disposable sealing sheet, the fixed handle and the movable handle are extruded together, and a new disposable sealing belt is sleeved, so that the recycling is realized.

Drawings

FIG. 1 is an overall isometric view of the present invention;

FIG. 2 is a side view of the package of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention in a packaged state;

FIG. 4 is a schematic view of the internal structure of the present invention in the unfolded state;

FIG. 5 is a schematic view of the internal structure of the present invention in a working state;

FIG. 6 is a view showing the inner structure of the disposable product according to the present invention;

fig. 7 is a partial structural view of the handle position of the present invention.

Wherein, 1, a handle main body; 2. fixing a handle; 3. a movable handle; 4. a guide tube; 5. fitting the heads; 6. sealing the belt for one time; 7. a security component; 701. a top guide tongue; 702. a one-way hasp; 703. a middle locking tongue; 704. a disposable sealing sheet; 705. a torsion spring shaft; 706. an assembly cavity; 8. an unlocking assembly; 801. an unlocking head; 802. a guide slide rail; 803. a tongue guide groove; 804. a hasp fixing hole; 805. a locking post; 806. the block is prevented from falling; 807. a guide spring; 801b, a guide groove; 802b, a limit spring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-5 and 7, a high-safety cutting anastomat with a blocking mechanism comprises a handle main body 1, a guide tube 4 and an anastomosis head 5, wherein the guide tube 4 is embedded in the side surface of the handle main body 1, the anastomosis head 5 is embedded in the end part of the guide tube 4, a fixed handle 2 is integrally injected on the bottom edge of the handle main body 1, one end of the fixed handle 2 in the handle main body 1 is connected with a movable handle 3 through a pin shaft, a disposable sealing tape 6 adopts a one-way plastic binding tape, an easy-to-destroy sticker is wound around the middle part of the surface of the disposable sealing tape 6, an unlocking assembly 8 is embedded in the inner cavity of the fixed handle 2, the unlocking assembly 8 comprises a locking column 805 embedded in the cavity of the fixed handle 2, an unlocking head 801 is arranged at the bottom of the locking column 805, a guide sliding rail 802 is arranged at the corresponding position of the inner cavity of the fixed handle 2 at the bottom of the locking column 805, a tongue piece guide groove 803 is arranged in the middle part of the locking column 805, the middle part of the locking column 805 is provided with a hasp fixing hole 804 above the tongue piece guide groove 803, the top of the locking column 805 is provided with a guide spring 807, the inner cavity of the movable handle 3 is embedded with a safety component 7, the safety component 7 comprises a component cavity 706 arranged in the movable handle 3, the top of the component cavity 706 is connected with a top guide tongue 701 through a pin shaft, a corresponding sliding groove of the top guide tongue 701 is arranged at the top of the fixed handle 2, a corresponding groove of the fixed handle 2 is embedded with an anti-dropping block 806, the middle pin shaft of the component cavity 706 is connected with a middle locking tongue 703, the end part of the middle locking tongue 703 is provided with a one-way hasp 702, the connecting edges of the component cavity 706 and the movable handle 3 are attached with a disposable sealing sheet 704, the disposable sealing sheet 704 adopts disposable adhesive tape, the opening mode of the disposable sealing sheet 704 is that the middle part is torn to remove the seal towards two sides, the connecting pin shafts of the component cavity 706 and the top guide tongue 701 and the connecting pin shaft between the component cavity 706 and the middle locking tongue 703 are respectively A torsion spring shaft 705 is used, and a torsion spring is fixedly connected between the surface of a pin shaft and the cavity of the assembly cavity 706 through the torsion spring shaft 705.

Example two:

referring to fig. 1, 2, 6 and 7, a high-safety cutting anastomat with a blocking mechanism comprises a handle body 1, a guide tube 4 and an anastomosis head 5, wherein the guide tube 4 is embedded in the side surface of the handle body 1, the anastomosis head 5 is embedded in the end part of the guide tube 4, a fixed handle 2 is integrally injected on the bottom edge of the handle body 1, one end of the fixed handle 2 in the handle body 1 is connected with a movable handle 3 through a pin shaft, a disposable sealing tape 6 adopts a one-way plastic binding tape, an easy-to-destroy sticker is wound around the middle part of the surface of the disposable sealing tape 6, an unlocking assembly 8 is embedded in the inner cavity of the fixed handle 2, when the high-safety cutting anastomat is used as a disposable product, the unlocking assembly 8 comprises a locking column 805 embedded in the cavity of the fixed handle 2, a guide groove 801b is formed in the bottom of the locking column 805, a limiting spring 802b is arranged between the inner cavity of the guide groove 801b and the bottom of the locking column 805, a tongue piece 803 is formed in the middle part of the locking column 805, the middle part of the locking column 805 is provided with a hasp fixing hole 804 above the tongue piece guide groove 803, the top of the locking column 805 is provided with a guide spring 807, the inner cavity of the movable handle 3 is embedded with a safety component 7, the safety component 7 comprises a component cavity 706 arranged in the movable handle 3, the top of the component cavity 706 is connected with a top guide tongue 701 through a pin shaft, a corresponding sliding groove of the top guide tongue 701 is arranged at the top of the fixed handle 2, a corresponding groove of the fixed handle 2 is embedded with an anti-dropping block 806, the middle pin shaft of the component cavity 706 is connected with a middle locking tongue 703, the end part of the middle locking tongue 703 is provided with a one-way hasp 702, the connecting edges of the component cavity 706 and the movable handle 3 are attached with a disposable sealing sheet 704, the disposable sealing sheet 704 adopts disposable adhesive tape, the opening mode of the disposable sealing sheet 704 is that the middle part is torn to remove the seal towards two sides, the connecting pin shafts of the component cavity 706 and the top guide tongue 701 and the connecting pin shaft between the component cavity 706 and the middle locking tongue 703 are respectively A torsion spring shaft 705 is used, and a torsion spring is fixedly connected between the surface of a pin shaft and the cavity of the assembly cavity 706 through the torsion spring shaft 705.

Example three:

referring to fig. 5, when the high safety cutting stapler with a blocking mechanism is used as a circulation instrument, when working, firstly tearing off the disposable sealing tape 6 and the disposable sealing sheet 704, then ejecting the middle locking tongue 703 due to the driving force of the torsion spring shaft 705, and lapping on the edge of the assembly cavity 706, then the user presses the movable handle 3, the middle locking tongue 703 enters through the tongue guiding groove 803, the whole locking column 805 moves upwards due to the pressing of the one-way buckle 702 on the cambered surface of the tongue guiding groove 803, when finishing the holding action, the whole one-way buckle 702 completely penetrates through the tongue guiding groove 803, the locking column 805 is pressed downwards due to the elastic force of the guiding spring 807, the locking column 805 is integrally limited by the guiding slide rail 802 during the downward movement of the locking column, the one-way buckle 702 is obliquely inserted into the buckle fixing hole 804 of the locking column 805 after the downward movement, therefore, complete locking is realized, when recycling is needed, the unlocking head 801 is pressed, the locking column 805 is driven to move upwards, the one-way hasp 702 and the hasp fixing hole 804 are unlocked, the middle locking tongue 703 is manually pulled back to the original position to be pasted with the disposable sealing sheet 704, then the fixed handle 2 and the movable handle 3 are extruded together, and a new disposable sealing tape 6 is sleeved, so that recycling is realized.

Example four:

referring to fig. 6, a high safety cutting stapler with a blocking mechanism, when used as a disposable assembly, when working, firstly tears and destroys a disposable sealing tape 6 and a disposable sealing sheet 704, then ejects a middle locking tongue 703 due to the driving force of a torsion spring shaft 705, and laps on the edge of an assembly cavity 706, then a user presses a movable handle 3, the middle locking tongue 703 enters through a tongue guiding groove 803, and drives the whole locking column 805 to move upwards due to the pressing of an arc surface of the tongue guiding groove 803 by a one-way buckle 702, when finishing the holding action, the stapler finishes the surgical suture, since the whole one-way buckle 702 completely penetrates the tongue guiding groove 803, due to the elastic force of a guiding spring 807, the locking column 805 is pressed downwards, and the locking column 805 is integrally limited by a limiting spring 802b during the downward movement of the locking column 805, after moving downwards, the one-way buckle 702 is obliquely inserted into a buckle fixing hole 804 of the locking column 805, so that complete locking and unlocking cannot be realized, in the processing process, the middle locking tongue 703 and the top guiding tongue 701 can be made of medical grade stainless steel, preferably 316 stainless steel, meanwhile, when the middle locking tongue 703 and the top guiding tongue 701 are used as a disposable cutting anastomat, the middle locking tongue 703 and the top guiding tongue 701 can be made of high-strength plastics instead, the surfaces of the middle locking tongue 703 and the top guiding tongue 701 cannot be coated with lubrication, the locking column 805 is made of high polymer brittle materials when the locking column 805 is used as the disposable anastomat, when the locking column 805 is used as a reusable cutting anastomat, the 316 stainless steel is used, and the surface processing roughness of the locking column 805 is not more than 0.6.

Example five: according to figures 1-7, when the anastomat is used, through holes are formed in the connecting positions between the surface of a handle main body 1 and a guide pipe 4, round corners with the radius of 1mm are all chamfered at the edges of the through holes, a rubber sheet is attached to the holding surface of a movable handle 3, the rubber sheet on the surface of the movable handle 3 is a convex point type rubber sheet, when the movable handle 3 is used, the conventional single plastic injection molding handle is adopted, when the anastomat is used, the surface is smooth, the holding is not tight, in addition, the conventional antiskid mode is adopted, when high-end equipment is processed, double-layer plastic injection molding is adopted, plastic injection molding with different surface characteristics is adopted, the integral cost is higher, meanwhile, a part of the conventional single plastic injection molding mode is also adopted to wrap the rubber sleeve with better elasticity, when the rubber sleeve is adopted, the whole equipment can realize better anti-skid performance, when the equipment is used as disposable medical equipment, the whole practicability of the whole equipment is not influenced, when the equipment is used as a reusable medical instrument, because the equipment grab handle position is the position of the movable handle 3 in the utility model, the rubber sleeve and the movable handle 3 can be loosened due to long-time pressure holding, and simultaneously because the chemical property of rubber can lead the surface of the rubber sleeve to generate an oil phenomenon to cause serious slip ratio, the rubber sleeve mode can also generate poor results when being used as a reusable component, the utility model adopts the embedded and jointed fixed rubber sheet, the rubber sheet and the movable handle 3 are limited by adopting the tongue-and-groove, and the surface is glued and fixed, thereby the complete fixation for long-time use can be realized, and simultaneously, because the rubber sheet is a single-sided paster, guarantee that whole equipment is better in the cost control of processing, avoid whole manufacturing cost to increase, the single face rubberizing of adoption avoids the phenomenon that the rubber sleeve loosens in the long-time oil that uses simultaneously, guarantees the economic nature of long-time use and the stability of using.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high security cutting anastomat with barrier mechanism, includes handle main part (1), stand pipe (4) and coincide head (5), the side gomphosis of handle main part (1) has stand pipe (4), the tip gomphosis of stand pipe (4) has coincide head (5), its characterized in that: the bottom edge of the handle body (1) is integrally molded with a fixed handle (2), the fixed handle (2) is connected with a movable handle (3) through a pin shaft at one end in the handle body (1), a disposable sealing tape (6) is sleeved between the fixed handle (2) and the movable handle (3), an unlocking assembly (8) is embedded in an inner cavity of the fixed handle (2), a safety assembly (7) is embedded in an inner cavity of the movable handle (3), the safety assembly (7) comprises an assembly cavity (706) formed in the movable handle (3), a top guide tongue (701) is connected with a cavity top pin shaft of the assembly cavity (706), a middle locking tongue (703) is connected with a middle pin shaft of the assembly cavity (706), a one-way buckle (702) is arranged at the end part of the middle locking tongue (703), and a disposable sealing sheet (704) is attached to the connecting edge of the assembly cavity (706) and the movable handle (3), the unlocking assembly (8) comprises a locking column (805) embedded in a cavity of the fixed handle (2), an unlocking head (801) is arranged at the bottom of the locking column (805), a guide sliding rail (802) is arranged at the bottom of the locking column (805) at a position corresponding to the inner cavity of the fixed handle (2), a tongue piece guide groove (803) is formed in the middle of the locking column (805), a hasp fixing hole (804) is formed in the position, above the tongue piece guide groove (803), of the middle of the locking column (805), and a guide spring (807) is arranged at the top of the locking column (805).

2. The high safety cutting stapler with blocking mechanism according to claim 1, wherein: the connecting pin shaft of the assembly cavity (706) and the top guide tongue (701) and the connecting pin shaft between the assembly cavity (706) and the middle locking tongue (703) are all torsion spring shafts (705), and the torsion spring shafts (705) are torsion springs fixedly connected between the surfaces of the pin shafts and the cavity of the assembly cavity (706).

3. The high-safety cutting stapler with the blocking mechanism according to claim 2, wherein: the corresponding sliding groove of the top guide tongue (701) is arranged at the top of the fixed handle (2), and the anti-falling block (806) is embedded in the corresponding groove of the fixed handle (2).

4. The high safety cutting stapler with blocking mechanism according to claim 3, wherein: when the unlocking assembly (8) is used as a disposable product, the unlocking assembly comprises a locking column (805) embedded in a cavity of a fixed handle (2), a guide groove (801b) is formed in the bottom of the locking column (805), a limiting spring (802b) is arranged between an inner cavity of the guide groove (801b) and the bottom of the locking column (805), a tongue piece guide groove (803) is formed in the middle of the locking column (805), a hasp fixing hole (804) is formed in the middle of the locking column (805) at a position above the tongue piece guide groove (803), and a guide spring (807) is arranged at the top of the locking column (805).

5. The high-safety cutting stapler with the blocking mechanism according to claim 4, wherein: the disposable sealing tape (6) is made of a one-way plastic binding tape, and the middle part of the surface of the disposable sealing tape (6) is surrounded with an easy-to-destroy sticker.

6. The high safety cutting stapler with blocking mechanism according to claim 5, wherein: the disposable sealing sheet (704) adopts a disposable adhesive tape, and the opening mode of the disposable sealing sheet (704) is that the middle part is torn down and the unsealing is removed to the two sides.

7. The high safety cutting stapler with blocking mechanism according to claim 6, wherein: the handle is characterized in that a through hole is formed in the connecting position between the surface of the handle body (1) and the guide pipe (4), the edge of the through hole is provided with a fillet with the radius of 1mm, the holding surface of the movable handle (3) is attached with a rubber sheet, and the rubber sheet on the surface of the movable handle (3) is a bump type rubber sheet.