CN107242889A - A kind of purse string suture cutting closer - Google Patents
A kind of purse string suture cutting closer Download PDFInfo
- Publication number
- CN107242889A CN107242889A CN201710632250.0A CN201710632250A CN107242889A CN 107242889 A CN107242889 A CN 107242889A CN 201710632250 A CN201710632250 A CN 201710632250A CN 107242889 A CN107242889 A CN 107242889A
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- Prior art keywords
- nail
- anvil
- titanium
- group
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
-
- 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
-
- 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
- A61B2017/07214—Stapler heads
- A61B2017/07257—Stapler heads characterised by its anvil
-
- 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
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1132—End-to-end connections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1142—Purse-string sutures
Abstract
The present invention provides a kind of purse string suture cutting closer, belong to operation medical instruments field, it includes housing, caliper, cutter, caliper includes upper clamp and lower clamp, upper clamp and lower clamp along its length on offer push broach groove, lower clamp is towards two groups of nail groups are offered on the side of upper clamp, and every group of nail group includes some spaced nail, it is placed with nail in titanium nail, lower clamp and is provided with the nail pushing device that driving titanium follows closely stitching；In two groups of nail groups on lower clamp, one of which nail group is closure nail group, and another group of nail group is pocket nail in pocket nail group, pocket nail group with push broach groove into angle；Upper clamp is towards also offering one group of pocket nail group on the side of lower clamp.The present invention can be cut oesophagus or small intestine to be anastomosed, and the two sections of ports obtained after cutting are sutured, wherein the suture of one section of port sutures for closed type, the suture of other end port sutures for bundling type.
Description
Technical field
The present invention relates to operation medical instruments field, more particularly to a kind of purse string suture cutting closer.
Background technology
In the stomach cancer resection operation of laparoscope, need oesophagus and small intestine carrying out the processing that coincide after stomach is cut entirely, at this
Reason process has been related to cutting and the identical processing procedure of suture, purse string suture and oesophagus and small intestine of oesophagus/small intestine, wherein,
In existing technology, cutting can be carried out with suture using straight cuts closer or line cutting stitching instrument, purse string suture
Then can manual suture, can also be clamped and carried out using purse string suture, two process be carried out separately in the prior art, and this is certain
The workload and work difficulty of doctor is added in degree, therefore, in order to simplify the identical processing procedure of oesophagus and small intestine, this hair
It is bright to be intended to design a purse string suture cutting closer that cutting is combined with suture, the process of purse string suture two.
The content of the invention
In view of the foregoing, it is necessary to which a kind of purse string suture cutting closer is provided, the purse string suture cutting closer energy
It is enough to be cut oesophagus or small intestine to be anastomosed, and two sections of the port obtained after cutting is sutured, wherein, one section of end
The suture of mouth is that closed type is sutured, and the suture of other end port is that bundling type is sutured.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of purse string suture cutting closer, can be used cooperatively with percussion lock, including：
Housing, is built-in with the impeller being connected with the percussion lock；
Caliper, installed in shell one end, including the upper clamp and lower clamp that mutually can be opened or close, the upper clamp
With lower clamp along its length on offer push broach groove, the lower clamp is towards offering two groups of nail on the side of upper clamp
Group, two groups of nail components are located at the opposite sides of the push broach groove, and every group of nail group includes some spaced nail, institute
State to be placed with nail in titanium nail, the lower clamp and be provided with the nail pushing device that driving titanium follows closely stitching；
Cutter, are slidably mounted in the push broach groove, and be connected with the nail pushing device and impeller；
In two groups of nail groups on the lower clamp, one of which nail group is closure nail group, and another group of nail group is
Pocket nail in pocket nail group, the pocket nail group and push broach groove are into angle；
The upper clamp is towards one group of pocket nail group is also offered on the side of lower clamp, and the pocket nail group is arranged on
The push broach groove side, the opposite side of the push broach groove is provided with the closure nail anvil used with closure Bolt-hole fits；The upper pincers
The nail pushing device is provided with vivo；
Pocket nail anvil part and nail anvil actuator are mounted in the upper clamp and lower clamp；The pocket nail anvil part includes
Parallel and spaced two nail anvil rod, two nail anvil rods are slidably mounted in caliper, and positioned at the pocket nail two ends, two nails
Anvil bar is connected with each other, and the slip that can in opposite directions or mutually deviate from along the length direction of the pocket nail；The pocket nail anvil
Some groups of pocket nail anvils are arranged at intervals with part, every group of pocket nail anvil is used with a pocket Bolt-hole fits, every group of pocket nail anvil bag
Two points of anvils are included, two points of anvils set up separately on the opposite side of two nail anvil rods；
The nail anvil actuator is slidably mounted in caliper, and it is connected with the cutter, and in the work of the cutter
Slided with lower along push broach slot length direction, and promote two nail anvil rod move toward one anothers so that two points of anvils are its corresponding in sliding process
There is overlapping part, while the two nail pin that two points of anvils are also followed closely with titanium respectively are corresponded, or in sliding process in pocket nail
Promote two nail anvil rods mutually away from sliding so that two points of anvils are followed closely in titanium is located at titanium after stitching terminates respectively and follows closely both sides and between the two
Distance is not less than the length that titanium is followed closely.
Further, it is connected with each other between two nail anvil rods by the first spring part, and in the natural shape of first spring part
Under state, the distance between two nail anvil rods and the distance between two points of anvils are not less than the length of pocket nail.
Further, between two nail anvil rods also by rack-and-pinion group structure connect, each nail anvil rod close to housing one
The gear structure being provided with rack structure and the gear structure being meshed with the rack structure, two nail anvil rods is held also mutually to nibble
Close connection.
Further, the nail anvil actuator is located at pocket nail anvil part side, and is connect with the cutter sliding process
Touch and extrude in two nail anvil rods close to one of push broach groove to promote two nail anvil rod slide in opposition, now, the nail anvil actuator
Between pocket nail anvil part and push broach groove；The nail anvil actuator is inclined plane, the inclination away from one end end face of housing
Inclination where facing pocket nail anvil part is oblique.
Further, the nail anvil actuator includes tapered part and extrusion；The tapered part is arranged in caliper, and is set
Put between two nail anvil rods and housing, one end of tapered part towards the nail anvil rod offers horn-like tapered mouth, described tapered
Mouthful be used to house one end of two nail anvil rods, its opening size side where the lateral housing of two nail anvil rod one is tapered, wherein, it is described gradually
The distance of two nail anvil rods when necking maximum open size follows closely de- nail not less than titanium, two follow closely when minimum open dimension follows closely stitching equal to titanium
The distance of anvil bar；The tapered part by extrusion connect cutter, the extrusion be located at push broach groove where side, and with it is described
Tapered part is detachable connection, and one end that the extrusion can open up tapered mouth from tapered part departs from or connects described tapered
Part, when the extrusion departs from tapered part, the one end of the extrusion away from cutter is located between nail anvil rod and push broach groove,
The tapered part entangles two nail anvil rods, and its corresponding pocket nail of two points of anvils partly overlaps.
Further, between being slidably fitted with the upper clamp and lower clamp on titanium nail-plate, the titanium nail-plate one side
The titanium nail being provided with some nail grooves, the pocket nail is separated to be placed in nail groove.
Further, the titanium nail-plate is slidably mounted in corresponding caliper by second spring.
Further, the nail pushing device for driving the titanium nail stitching in the pocket nail is pressing plate part, the pressing plate part direction
The side of titanium nail-plate is that inclination where inclined plane, the inclined plane towards pocket nail is oblique；When cutter band dynamic pressure plate part fortune
When dynamic, the titanium nail-plate drives titanium to follow closely lateral movement and stitching to where pocket nail in the presence of pressing plate part inclined plane.
Further, the closure nail be arranged in parallel with push broach groove, the pocket nail and angle formed by push broach groove
For 90 °, the pocket nail anvil is opened on two nail anvil rods.
Further, the purse string suture cutting closer：Also include purse string suture line；The purse string suture line connects simultaneously
Caliper and lower clamp are connected, and is crossed between each pocket nail, and the nail pin of titanium nail two being located in the pocket nail；It is described
Purse string suture line and upper clamp, lower clamp are detachable connection.
Compared with prior art, the invention has the advantages that：
1st, the present invention is improved on the basis of existing straight cuts closer, and it is improved mainly for caliper part,
Nail group specifically to push broach groove both sides on caliper is improved, wherein, original can be formed is remained in push broach groove side and is closed
The box-like structure type sewed up the incision, i.e., open up closure nail on lower clamp and set corresponding titanium nail, nail pushing device etc., and
The nail anvil being used in combination with the closure nail of lower clamp is set on upper clamp, and push broach groove opposite side be then modified to upper clamp with
Pocket nail is offered on lower clamp, the bundling type seam of the open type of oesophagus/small intestine is realized in the form of by two-way perforate
Close otch.
2nd, the structure division that bundling type is sewed up the incision is being formed, it is of the invention by the way that pocket nail anvil is arranged in caliper, and
Promoted by setting pocket nail anvil part and nail anvil actuator titanium in pocket nail follow closely smoothly hammer into the tube wall of oesophagus/small intestine/
In intestinal wall, and nail can be smoothly taken off again after the completion of its stitching.
3rd, the purse string suture cutting closer designed by the present invention can realize cutting, enclosed suture and open type pocket seam
The integration operation of conjunction, this reduces the workload in doctor's art to a certain extent, and has saved the operating time of doctor, because
This, practicality and convenience of the invention is preferable.
Brief description of the drawings
Fig. 1 is the sectional interior view of purse string suture cutting closer in the first embodiment of the invention.
Fig. 2 is the top view of lower clamp in Fig. 1.
Fig. 3 is the structural representation of partial interior perspective where pocket nail when Fig. 2 pockets nail anvil does not block pocket nail.
Fig. 4 is the structural representation of partial interior perspective where pocket nail when Fig. 2 pockets nail anvil is overlapping with pocket nail.
Fig. 5 is the local internal view of Fig. 1 calipers part.
Fig. 6 is to conceal the structural representation after a wherein nail anvil rod in Fig. 5 pocket nail anvil parts.
When Fig. 7 is upper lower clamp closure in Fig. 2 on A-A directions side where pocket nail cut-away view.
Fig. 8 is the structural representation of Fig. 7 upper clamps part.
Fig. 9 is the partial top view of lower clamp in second of embodiment of the invention, wherein, pocket nail anvil does not block pocket
Nail.
Figure 10 is the partial top view of lower clamp in second of embodiment of the invention, wherein, pocket nail anvil is followed closely with pocket
Bore portion is overlapping.
Main element symbol description
In figure：Housing 1, impeller 11, upper clamp 2, shell 21,31, lower clamp 3, cutter 4, push broach groove 41, pocket seam
Zygonema 5, closure nail 6, pocket nail 7, nail pushing device 8, ejector pin connector 81, pocket nail anvil part 9, nail anvil rod 91, the first spring
Part 92, rack structure 93, gear structure 94, pocket nail anvil 10, point anvil 101, nail anvil actuator 20, tapered part 201, tapered mouth
2011st, extrusion 202, titanium nail-plate 30, nail groove 301, second spring 302, titanium nail 40.
Following embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Embodiment
Fig. 1 to Fig. 6 is referred to, in a kind of better embodiment of the present invention, a kind of purse string suture cutting closer can
Used cooperatively with percussion lock, it includes a housing 1, a caliper, a cutter 4 and a purse string suture line 5.Housing 1 is built-in with
The impeller 11 being connected with percussion lock, its one end is provided with caliper.Caliper include mutually can open or close one on
The lower clamp 3 of caliper 11 and one, upper clamp 11 and lower clamp 3 along its length on offer a push broach groove 41；The direction of lower clamp 3
Two groups of nail groups are offered on the side of upper clamp 11, two groups of nail components are located at the opposite sides of push broach groove 41, every group of nail
Hole group, which includes to be placed with some spaced nail, nail, is provided with driving titanium 40 stitchings of nail in titanium nail 40, lower clamp 3
Nail pushing device 8.Cutter 4 are slidably mounted in push broach groove 41, and are connected with nail pushing device 8 and impeller 11, in percussion lock driving
Impeller 11 move during, jaw closure, cutter 4 by impeller 11 driving slide, and taxiing procedures cut oesophagus/
Small intestine promotes nail pushing device 8 that titanium is followed closely into 40 stitchings on oesophagus/small intestine.
In the present invention, in two groups of nail groups on lower clamp 3, one of which nail group is 6 groups of nail of closure, the closure
Closure nail 6 in 6 groups of nail preferably be arranged in parallel with push broach groove 41, and another group of nail group is 7 groups of pocket nail, pocket nail
Pocket nail 7 and push broach groove 41 in 7 groups of hole are into the pocket nail 7 in angle, i.e. 7 groups of pocket nail with closing 6 groups of nail
Close nail 6 angled, and unconventional be arranged in parallel.In addition, upper clamp 11 is towards also opening up on the side of lower clamp 3
There is one group of 7 groups of pocket nail, 7 groups of the pocket nail is arranged on the side of push broach groove 41, and the opposite side of push broach groove 41 is provided with and closed
The nail anvil that dowel hole 6 is used cooperatively, meanwhile, nail pushing device 8 is also provided with upper clamp 11.
Further, a pocket nail anvil part 9 and a nail anvil actuator are slidably fitted with upper clamp 11 and lower clamp 3
20.Wherein, the pocket nail anvil part 9 includes parallel and spaced two nail anvil rod 91, and two nail anvil rods 91 are slidably mounted on caliper
It is interior, and positioned at the two ends of pocket nail 7, two nail anvil rods 91 are connected with each other, and can along pocket nail 7 length direction it is opposite or
The slip mutually deviated from；Some groups of pocket nail anvils 10, every group of pocket nail of pocket nail anvil 10 and one are arranged at intervals on pocket nail anvil part 9
7 use cooperatively, and every group of pocket nail anvil 10 includes two points of anvils 101, and two points of anvils 101 set up separately on the opposite side of two nail anvil rods 91.
Nail anvil actuator 20 is slidably mounted in caliper, and it is connected with cutter 4, and is grown in the presence of cutter 4 along push broach groove 41
Spend direction to slide, and promote the slide in opposition of two nail anvil rod 91 so that two points of anvils 101 are deposited with corresponding pocket nail 7 in sliding process
In lap, while the two nail pin that two points of anvils 101 also distinguish titanium nail 40 are corresponded, or in sliding process promote two nail anvils
Bar 91 mutually away from slide so that two points of anvils 101 titanium follow closely 40 stitchings terminate after respectively be located at titanium follow closely 40 both sides and between the two away from
From the length that 40 are followed closely not less than titanium.
Purse string suture line 5 connects upper clamp 11 and lower clamp 3 simultaneously, and crosses each pocket nail 7, and positioned at pocket nail
Titanium in hole 7 is followed closely between 40 liang of nail pin, so that purse string suture line 5 can be located at titanium nail 40 and oesophagus/small when titanium nail 40 is sutured
Between intestines；Preferably, purse string suture line 5 and upper clamp 11, lower clamp 3 are detachable connection, in order to cut suture knots
Shu Hou, purse string suture line 5 together departs from caliper with titanium nail 40.
In summary, the present invention is partially improved on the basis of traditional line cutting closer to caliper.Wherein,
Remained in the side of push broach groove 41 it is original can form the structure type that closed type is sewed up the incision, i.e., closure is opened up on lower clamp 3
Nail 6 and the corresponding titanium nail 40 of setting, nail pushing device 8 etc., and the closure nail 6 of setting and lower clamp 3 matches on upper clamp 11
The nail anvil used is closed, and the opposite side of push broach groove 41 is then modified to offer pocket nail 7 on upper clamp 11 and lower clamp 3, with
Realize that the bundling type of the open type of oesophagus/small intestine is sewed up the incision by the form of two-way perforate；In addition, also by setting pocket to stitch
Zygonema 5 causes purse string suture end that pocket shape is presented, and is easy to the identical processing in later stage.
Furthermore, the present invention is in order that the titanium nail 40 at the bundling type place of sewing up the incision smoothly hammers into tube wall/intestinal wall of oesophagus/small intestine
It is interior, and nail can be smoothly taken off again after the completion of stitching, pocket nail anvil 10 is arranged in caliper by it, and can with pocket nail anvil part 9
Two nail anvil rods 91 mutually slided is rely on, then with nail anvil actuator 20 are trigger member, so that titanium nail 40 is needing stitching
When, two points of anvils 101 and the pocket nail 7 of pocket nail anvil 10 partly overlap, and titanium follows closely 40 liang of nail pin in nail pushing device 8 in pocket nail 7
In the presence of abut the tube wall/intestines for be divided to anvil 101 and oesophagus/small intestine between two points of anvils 101 being hammered into the case where being divided to the effect of anvil 101
In wall, and when needing titanium to follow closely 40 disengaging caliper after titanium 40 stitchings of nail terminate, two nail anvil rods 91 are then in the work of nail anvil actuator 20
With lower mutually away from sliding, until two nail anvil rods 91 or even two points of anvils 101 are located at the two ends of pocket nail 7 and do not block lotus respectively
Bag nail 7, now, the titanium after stitching follow closely 40 and are not stopped by pocket nail anvil 10 and can depart from caliper from pocket nail 7, and then
Realize that titanium follows closely the separation of titanium nail 40 and caliper after 40 stitchings.
Further, in the present invention, it is connected with each other between two nail anvil rods 91 by the first spring part 92, and in the first bullet
Under the nature of spring part 92, the distance between two nail anvil rods 91 and the distance between two points of anvils 101 are not less than pocket nail 7
Length, in order to which two nail anvil rods 91 follow closely the elastic deformation slip after 40 stitchings terminate using the first spring part 92 in titanium, so as to promote
Two nail anvil rods 91 are made to be more easy to be reset to position when not blocking pocket nail 7.Preferably, pocket nail anvil 10 is opened in two nail anvil rods 91
On, i.e., pocket nail anvil 10 has a style of one's own with nail anvil rod 91, in addition, in the present invention, the contact titanium of pocket nail anvil 10 nail 40 follows closely pin side
Face planform is not limited, it is preferred to use the curved-surface structure with radian.It is further preferable that the side of the contact titanium of pocket nail anvil 10 nail 40
Limiting groove is offered on face, the limiting groove is set along the glide directions that titanium nail 40 follows closely pin during titanium 40 stitching of nail, to pass through limiting groove
Setting limit titanium nail 40 scope of activities and activity direction, and then ensure titanium nail 40 according to both fixed tracks move, improve titanium nail
The effect of 40 stitchings.
Fig. 3 or Fig. 4 is referred to, in the present embodiment, is also connected between two nail anvil rods 91 by rack-and-pinion group structure,
The gear structure that each nail anvil rod 91 is provided with rack structure 93 close to one end of housing 1 and is meshed with the rack structure 93
94, the gear structure 94 on two nail anvil rods 91 is also intermeshed connection to realize the connection of two nail anvil rods 91；In the present invention, should
The setting of rack-and-pinion group structure mainly uses the gearing between rack-and-pinion group to promote two nail anvil rods 91 to be driven in nail anvil
Mutually slided under the triggering of moving part 20.In addition, the nail anvil actuator 20 in the embodiment is positioned at the side of pocket nail anvil part 9, and
Contacted with the sliding process of cutter 4 and extrude one of close push broach groove 41 in two nail anvil rods 91 to promote two nail anvil rods 91 opposite
Slide, now, nail anvil actuator 20 is located between pocket nail anvil part 9 and push broach groove 41, and two points of anvils 101 are overlapping with pocket nail 7,
Titanium nail 40 can realize stitching, and the first spring part 92 is then in compressive state, and when revocation nail anvil actuator 20 is to nail anvil rod 91
When extruding force, i.e. nail anvil actuator 20 depart from nail anvil rod 91, two nail anvil rods 91 can reset in the presence of the first spring part 92；Tool
For body, nail anvil actuator 20 is inclination where inclined plane, the inclined plane towards pocket nail anvil part 9 away from one end end face of housing 1
Tiltedly, to promote the slide in opposition of two nail anvil rod 91 using inclined plane.
In present embodiment, the initial position of two nail anvil rods 91 is in the two ends of pocket nail 7, and two points of anvils 101 and pocket
Nail 7 is not overlapping also not to block pocket nail 7, when titanium nail 40 needs stitching, is promoted by the extruding force of nail anvil actuator 20
Two points of move toward one anothers of anvil 101, when titanium nail 40 needs de- nail, then make nail anvil actuator 20 depart from nail anvil rod 91, and now two
Nail anvil is resetted by the first spring part 92.
Fig. 9 or Figure 10 is referred to, in second embodiment of the present invention, not by gear between two nail anvil rods 91
Rack group structure is connected, and is connected only by the first spring part 92, and nail anvil actuator 20 now includes a tapered He of part 201
One extrusion 202.Wherein, tapered part 201 is arranged in caliper, and is arranged between two points of nail anvil rods 91 of anvil 101 and housing 1,
One end of tapered part 201 towards point nail anvil rod 91 of anvil 101 offers horn-like tapered mouth 2011, and the tapered mouth 2011 is used to house
One end of two points of bar nail anvil rods 91 of anvil 101, its opening size is tapered by two points of 101 nail anvil rod of anvil, 91 1 lateral place sides of housing 1,
Wherein, the distance of two points of bar nail anvil rods 91 of anvil 101 when the tapered maximum open size of mouth 2011 follows closely 40 de- nail not less than titanium, minimum is opened
Mouth size is equal to the distance of two points of bar nail anvil rods 91 of anvil 101 when titanium follows closely 40 stitching；Tapered part 201 is cut by the connection of extrusion 202
Cutter 4, extrusion 202 is located at the place side of push broach groove 41, and is detachable connection with tapered part 201, and extrusion 202 can be from gradually
One end that contracting part 201 opens up tapered mouth 2011 departs from or connects tapered part 201, when extrusion 202 departs from tapered part 201,
The one end of extrusion 202 away from cutter 4, which is located at, to be divided between the bar nail anvil rod 91 of anvil 101 and push broach groove 41, and tapered part 201 entangles two
Divide the bar nail anvil rod 91 of anvil 101, its corresponding pocket nail 7 of two points of anvils 101 partly overlaps.
In second of embodiment of the present invention, the move toward one another of two nail anvil rods 91 is using tapered on tapered part 201
What mouthfuls 2011 setting was realized, and mutually being resetted away from motion for two nail anvil rods 91 is realized using the first spring part 92.
Further, Fig. 5-8 are referred to, in the first embodiment or second of embodiment or other realities of the present invention
Apply in mode, the present invention is stably mounted in caliper for the ease of titanium nail 40 and promotes titanium to follow closely by nail pushing device 8 beneficial to the later stage
A titanium nail-plate 30 is slidably fitted with 40 stitchings, upper clamp 11 and lower clamp 3, is spaced apart and is provided with the one side of titanium nail-plate 30
Titanium nail 40 in some nail grooves 301, pocket nail 7 is placed in nail groove 301.In the present invention, the titanium in driving pocket nail 7
The nail pushing device 8 for following closely 40 stitchings is pressing plate part, and pressing plate part is inclined plane towards the side of titanium nail-plate 30, and the inclined plane is followed closely towards pocket
Rolled where hole 7 oblique；When cutter 4 are moved with dynamic pressure plate part, titanium nail-plate 30 drives titanium in the presence of pressing plate part inclined plane
Nail 40 causes pressing plate part with cutter 4 to the place lateral movement of pocket nail 7 and stitching by the effect of pressing plate part inclined plane
The process travelled forward, titanium nail-plate 30 can be moved towards the side of pocket nail 7, so as to realize the stitching of titanium nail 40.It is excellent
Selection of land, titanium nail-plate 30 of the invention is slidably mounted in corresponding caliper by second spring 302, to pass through the setting of spring
So that pressing plate part departs from after titanium nail-plate 30, titanium nail-plate 30 can automatically restore to the position that titanium follows closely the place of titanium nail-plate 30 before 40 stitchings
Put, meanwhile, also it is mutually disengaged beneficial to titanium nail-plate 30 with titanium nail 40 so that later stage titanium nail 40 is more easy to separate with caliper.
Fig. 7 or Fig. 8 is referred to, upper clamp 11 of the invention and lower clamp 3 include a shell 21,31, pocket nail anvil
The parts such as part 9, nail pushing device 8, titanium nail-plate 30, nail anvil actuator 20 are contained in shell 21,31.Wherein, pocket nail anvil part 9
Between titanium nail-plate 30 and the place side of pocket nail 7, and the side pressed close to where pocket nail 7；And be connected with titanium nail-plate 30
Second spring 302 be also disposed between titanium nail-plate 30 and the place side of pocket nail 7, and connection titanium nail-plate 30 and pocket simultaneously
Side where nail 7；In addition, the nail pushing device 8 and nail anvil actuator 20 of the present invention can be connected by ejector pin connector 81, and two
Person connects cutter 4 by the ejector pin connector 81.
In the present invention, 7 groups of the pocket nail on upper clamp 11 and lower clamp 3 is relative opens up, and 7 groups of each pocket nail
Constituted by a row along the spaced pocket nail 7 of caliper length direction, and pocket nail 7 and angle formed by push broach groove 41
Preferably 90 °, i.e. pocket nail 7 and push broach groove 41, closure nail 6 are vertically arranged.
In summary, the purse string suture cutting closer designed by the present invention causes cutting to suture by the improvement to caliper
Oesophagus/small intestine afterwards is presented sewing up the incision for one end closed type, and one end bundling type is sewed up the incision, i.e. the suture of open type is cut
Mouthful, sewing up the incision for the bundling type can be easy to the resist-nailed seat of stapler used in later stage identical processing to place at the end, therefore,
The suture of cutting enclosed and bundling type open type are sutured one can be realized using the purse string suture cutting closer designed by the present invention
Bodyization is operated, and this reduces the workload in doctor's art to a certain extent, saves the operating time of doctor, its practicality and convenient
Property is preferable.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
The equal change or modification change completed under bright patent claim, the technical spirit suggested by all present invention, all should belong to
Cover the scope of the claims in the present invention.
Claims (10)
1. a kind of purse string suture cutting closer, can be used cooperatively with percussion lock, including：
Housing, is built-in with the impeller being connected with the percussion lock；
Caliper, installed in shell one end, including the upper clamp and lower clamp that mutually can be opened or close, the upper clamp is with
Caliper along its length on offer push broach groove, the lower clamp towards offering two groups of nail groups on the side of upper clamp,
Two groups of nail components are located at the opposite sides of the push broach groove, and every group of nail group includes some spaced nail, described
It is placed with nail in titanium nail, the lower clamp and is provided with the nail pushing device that driving titanium follows closely stitching；
Cutter, are slidably mounted in the push broach groove, and be connected with the nail pushing device and impeller；
It is characterized in that：
In two groups of nail groups on the lower clamp, one of which nail group is closure nail group, and another group of nail group is pocket
Pocket nail in nail group, the pocket nail group and push broach groove are into angle；
The upper clamp is towards one group of pocket nail group is also offered on the side of lower clamp, and the pocket nail group is arranged on described
Push broach groove side, the opposite side of the push broach groove is provided with the closure nail anvil used with closure Bolt-hole fits；In the upper clamp
It is provided with the nail pushing device；
Pocket nail anvil part and nail anvil actuator are mounted in the upper clamp and lower clamp；The pocket nail anvil part includes parallel
And spaced two nail anvil rod, two nail anvil rods are slidably mounted in caliper, and are located at the pocket nail two ends, two nail anvil rods
It is connected with each other, and the slip that can in opposite directions or mutually deviate from along the length direction of the pocket nail；On the pocket nail anvil part
Some groups of pocket nail anvils are arranged at intervals with, every group of pocket nail anvil is used with a pocket Bolt-hole fits, every group of pocket nail anvil includes two
Divide anvil, two points of anvils set up separately on the opposite side of two nail anvil rods；
The nail anvil actuator is slidably mounted in caliper, and it is connected with the cutter, and in the presence of the cutter
Slided along push broach slot length direction, and promote two nail anvil rod move toward one anothers so that two points of its corresponding pockets of anvil in sliding process
Be present overlapping part, while the two nail pin that two points of anvils are also followed closely with titanium respectively are corresponded in nail, or promote in sliding process
Two nail anvil rods are mutually away from slip so that two points of anvils follow closely the distance after stitching terminates respectively positioned at titanium nail both sides and between the two in titanium
The length followed closely not less than titanium.
2. purse string suture cutting closer as claimed in claim 1, it is characterised in that：Pass through the first spring between two nail anvil rods
Part is connected with each other, and under the first spring part nature, the distance between two nail anvil rods and the distance between two points of anvils
It is not less than the length of pocket nail.
3. purse string suture cutting closer as claimed in claim 2, it is characterised in that：Also pass through gear teeth between two nail anvil rods
Bar group structure is connected, the tooth that each nail anvil rod is provided with rack structure close to one end of housing and is meshed with the rack structure
Gear structure on wheel construction, two nail anvil rods is also intermeshed connection.
4. purse string suture cutting closer as claimed in claim 2, it is characterised in that：The nail anvil actuator is followed closely positioned at pocket
Anvil side, and in being contacted with the cutter sliding process and extruding two nail anvil rods close to one of push broach groove to promote two
Nail anvil rod slide in opposition, now, the nail anvil actuator are located between pocket nail anvil part and push broach groove；The nail anvil actuator back of the body
One end end face of shrinking away from theshell body is that inclination where inclined plane, the inclined plane towards pocket nail anvil part is oblique.
5. purse string suture cutting closer as claimed in claim 2, it is characterised in that：The nail anvil actuator includes tapered part
And extrusion；The tapered part is arranged in caliper, and is arranged between two nail anvil rods and housing, and the tapered part is towards nail anvil
One end of bar offers horn-like tapered mouth, and the tapered mouth is used for the one end for housing two nail anvil rods, and its opening size is by two nails
Side where the lateral housing of anvil bar one is tapered, wherein, two nail anvil rods when the tapered mouth maximum open size takes off nail not less than titanium nail
Distance, minimum open dimension be equal to titanium follow closely stitching when two nail anvil rods distance；The tapered part is connected by extrusion and cut
Knife, the extrusion is located at side where push broach groove, and is detachable connection with the tapered part, and the extrusion can be from tapered
One end that part opens up tapered mouth departs from or connected the tapered part, when the extrusion departs from tapered part, the extrusion
One end away from cutter is located between nail anvil rod and push broach groove, and the tapered part entangles two nail anvil rods, and two points of anvils are corresponding to its
Pocket nail partly overlap.
6. purse string suture cutting closer as claimed in claim 1, it is characterised in that：Slided in the upper clamp and lower clamp
It is dynamic that the titanium nail placement for being spaced apart and being provided with some nail grooves, the pocket nail on titanium nail-plate, the titanium nail-plate one side is installed
In nail groove.
7. purse string suture cutting closer as claimed in claim 6, it is characterised in that：The titanium nail-plate passes through second spring
It is slidably mounted in corresponding caliper.
8. purse string suture cutting closer as claimed in claims 6 or 7, it is characterised in that：Drive in the pocket nail
The nail pushing device of titanium nail stitching is pressing plate part, and the pressing plate part is inclined plane towards the side of titanium nail-plate, and the inclined plane is towards pocket
Rolled where nail oblique；When cutter band dynamic pressure plate part motion, the titanium nail-plate is in the presence of pressing plate part inclined plane
Titanium is driven to follow closely to lateral movement where pocket nail and stitching.
9. purse string suture cutting closer as claimed in claim 1, it is characterised in that：The closure nail is parallel with push broach groove
Set, the pocket nail and angle formed by push broach groove are 90 °, and the pocket nail anvil is opened on two nail anvil rods.
10. purse string suture cutting closer as claimed in claim 1, it is characterised in that：Also include purse string suture line；The lotus
Overseam zygonema connects upper clamp and lower clamp simultaneously, and crosses each pocket nail, and the titanium nail in the pocket nail
Between two nail pin；The purse string suture line and upper clamp, lower clamp are detachable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710632250.0A CN107242889B (en) | 2017-07-28 | 2017-07-28 | Purse-string suture cutting closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710632250.0A CN107242889B (en) | 2017-07-28 | 2017-07-28 | Purse-string suture cutting closer |
Publications (2)
| Publication Number | Publication Date |
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| CN107242889A true CN107242889A (en) | 2017-10-13 |
| CN107242889B CN107242889B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710632250.0A Active CN107242889B (en) | 2017-07-28 | 2017-07-28 | Purse-string suture cutting closer |
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| CN109199500A (en) * | 2018-10-24 | 2019-01-15 | 汕头大学 | The pushing device of purse-string suture device under a kind of hysteroscope |
| CN109893211A (en) * | 2019-01-31 | 2019-06-18 | 汕头大学 | A kind of minimally invasive abdominal operation equipment clamps together device |
| CN111466981A (en) * | 2019-01-24 | 2020-07-31 | 苏州英途康医疗科技有限公司 | Nail bin assembly and surgical operation instrument |
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| CN107242889B (en) | 2023-02-28 |
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