CN103169514B - The clamp hook of surgical linear Endo-GIA - Google Patents
The clamp hook of surgical linear Endo-GIA Download PDFInfo
- Publication number
- CN103169514B CN103169514B CN201110433471.8A CN201110433471A CN103169514B CN 103169514 B CN103169514 B CN 103169514B CN 201110433471 A CN201110433471 A CN 201110433471A CN 103169514 B CN103169514 B CN 103169514B
- Authority
- CN
- China
- Prior art keywords
- nail
- nail bin
- frame
- hook
- clamp hook
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Abstract
A kind of clamp hook of surgical linear Endo-GIA, realize when nail bin groupware and nail-anvil assembly are clamped hook clamping, relevant portion between nail bin groupware, nail-anvil assembly and clamp hook is curved face contact, produced elastic deformation will not cause the excesssive gap of distal site, can guarantee that the correct bending forming of anastomosis staple；Clamp hook can control nail bin groupware and nail-anvil assembly produces three actions unclamping, clamp and clamping tissue to be anastomosed so that operation technique is more convenient；Baffle plate on nail bin frame blocks the door v notch v of the shell far-end on clamp hook, and the door v notch v of the shell of clamp hook will not crush tissue to be anastomosed so that operation technique is safer.
Description
Technical field
The present invention relates to the clamp hook of various surgical linear Endo-GIA.
Background technology
Various surgical linear Endo-GIAs are used for replacing using in surgical operation the free-hand anastomosis procedure of needlework, by widely
For human body alimentary canal organ, respiratory tract organ and apparatus urogenitalis official rank organ and end end, side and the side to side anastomosis of tissue
Deng operation, form the operation of passage and the operation of close incisions, be particularly well-suited to appear organ and tissue with operating difficulties
Anastomosis operation, it is possible to reduce operating time, improves surgical quality.
As described in United States Patent (USP) publicity 20050222616,20080116244,20090308909 and 20110068145
Various surgical linear Endo-GIAs, be made up of nail bin groupware, nail-anvil assembly and clamp hook.Nail bin groupware has nail bin,
The nail bin frame installing nail bin and the firing lock being arranged in nail bin frame.Firing lock is oblique by push button, slide block, push rod, ejector pin
Carve and form with cutter.Nail bin is linear, both can be rectilinear, can also be curved.It is provided with in nail bin
Ejector pin block and anastomosis staple.More than two rows (including two rows) it are staggered in multiple anastomosis staples online staple storehouse.Nail-anvil assembly
In have nail anvil and nail anvil frame.Nail anvil can be formed integrally with nail anvil frame.Nail anvil is linear, both can be rectilinear, also may be used
Being curved.The surface of nail anvil is arranged with the anastomosis staple grooving corresponding with the anastomosis staple position in nail bin.Multiple
The surface alternate of anastomosis staple grooving online staple anvil becomes more than two rows (including two rows).At nail bin groupware and nail anvil
After assembly mutually closes up, clamp hook is pivoted around nail bin frame so that the plane on the hook of clamp hook is hooked in the middle part of nail anvil frame
Round bump, drive the plane briquetting on nail bin frame to be pressed on the round bump of nail anvil frame near-end so that nail bin groupware and nail
Anvil assembly is clamped hook clamping.Anastomosis staple is released in nail bin by ejector pin block, and the nail tip of anastomosis staple is pressed on the shaping of nail anvil
On groove, make two nail lower limbs of anastomosis staple along grooving bending forming, reach the operation purpose of engaging tissue.This style
The unsatisfactory place of clamp hook of surgical linear Endo-GIA be: first, when nail bin groupware is clamped with nail-anvil assembly
During hook clamping, the hook of clamp hook hooks the round bump in the middle part of nail anvil frame with plane, and the plane briquetting on nail bin frame is pressed in nail anvil
On the round bump of frame near-end, it is both linear contact lay, is easy to during stress produce elastic deformation, due to nail bin groupware and nail
It is long cantilever girder construction that anvil assembly clamps the position of tissue to be anastomosed, therefore when clamping force is bigger, and produced elastic deformation
The gap that can cause the distal site that nail bin groupware and nail-anvil assembly clamp tissue to be anastomosed is strengthened, thus causes the anastomosis staple can not
Correct bending forming, it is impossible to reach correct for the tissue operation purpose coincideing；Second, operation technique often needs interim folder
Hold the action of tissue to be anastomosed, in order to it is the most suitable or the completeest that operative doctor can observe the tissue site to be anastomosed pressed from both sides
Some auxiliary operations are become to perform to cut the operation of anastomosed tissue, but the clamp hook of the surgical linear Endo-GIA of this style again
It is only capable of controlling nail bin groupware and nail-anvil assembly produces the two action unclamping and clamping tissue to be anastomosed, thus give operation technique
Bring inconvenience；3rd, when opening and clamp nail bin groupware and nail-anvil assembly, clamp hook pivots around nail bin frame,
Housing end at clamp hook needs across the door v notch v on nail bin frame, owing to the door v notch v of the shell of clamp hook is tight
By tissue to be anastomosed, therefore it is easy to crush tissue to be anastomosed, is also easy to affect clamp hook and pivots around nail bin frame.Cause
The clamp hook of this surgical linear Endo-GIA also needs to improve.
By above-mentioned it will be clear that devised now a large amount of surgical stapling the most in specie, and new surgery kiss
The development work of the clamp hook of clutch is still continuing, in order to make annual a large amount of surgical staplings used in the world further
Improve, reach the operation purpose being easy to use, organization security reliably being coincide.
Summary of the invention
It is an object of the invention to propose the clamp hook of a kind of surgical linear Endo-GIA, it is achieved when nail bin groupware and nail anvil group
When part is clamped hook clamping, contact for face between the hook of clamp hook with the round bump in the middle part of nail anvil frame, the briquetting on nail bin frame
Curved surface also contact for face with the curved surface of nail anvil frame nearside projection, be not easy to produce elastic deformation during stress, and curved surface be with bent
Contact with each other between face and also there is positioning action.Therefore, when clamping force is bigger, produced elastic deformation will not cause nail
Storehouse assembly and nail-anvil assembly clamp the excesssive gap of the distal site of tissue to be anastomosed, it is thus possible to ensure that anastomosis staple correctly bends to
Shape, reaches correct for the tissue operation purpose coincideing.
Another object of the present invention is to propose the clamp hook of a kind of surgical linear Endo-GIA, it is achieved clamp hook can control nail
Storehouse assembly and nail-anvil assembly produce three actions unclamping, clamp and clamping tissue to be anastomosed, and, unclamp in switching, press from both sides
When holding and clamp three actions of tissue to be anastomosed, constantly change the resistance of clamp hook rotation and send sound, reaching by sense
The using effect of the change of feel and sound double-reminding operator's clamp hook position, consequently facilitating implement to face in operation technique
Time clamp the action of tissue to be anastomosed, in order to operative doctor can observe the tissue site to be anastomosed pressed from both sides and whether thickness closes
Suitable, or first complete some auxiliary operations and perform to cut the operation of anastomosed tissue again so that operation technique is more convenient.
A further object of the present invention is to propose the clamp hook of a kind of surgical linear Endo-GIA, it is achieved the baffle plate on nail bin frame
In the door v notch v of the shell far-end being inserted on clamp hook, so, pivot to open and clamp around nail bin frame when clamp hook
When nail bin groupware and nail-anvil assembly, owing to the baffle plate on nail bin frame blocks the door v notch v of the shell far-end on clamp hook so that
The door v notch v of the shell of clamp hook will not crush tissue to be anastomosed, does not also interfere with clamp hook and pivots around nail bin frame, from
And make operation technique safer.
At present, known surgical linear Endo-GIA is made up of nail bin groupware, nail-anvil assembly and clamp hook.
Nail bin groupware has nail bin, the nail bin frame installing nail bin and the firing lock being arranged in nail bin frame.Firing lock is by pushing away
Button, slide block, push rod, ejector pin are tiltedly carved and are formed with cutter.Nail bin is linear, both can be rectilinear, can also be bent
Linear.Ejector pin block and anastomosis staple are installed in nail bin.Multiple anastomosis staples online staple is staggered to more than two rows in storehouse
(including two rows).Pivot and briquetting is had on nail bin frame.
Nail-anvil assembly has nail anvil and nail anvil frame.Nail anvil can be formed integrally with nail anvil frame.Nail anvil is linear, both can be straight
Linear, can also be curved.The surface of nail anvil is arranged with the anastomosis staple corresponding with the anastomosis staple position in nail bin
Grooving.The surface alternate of multiple anastomosis staple groovings online staple anvil becomes more than two rows (including two rows).Nail anvil
Nearside projection and middle part projection is had on frame.
Having pivot hole and hook on clamp hook, the pivot hole of clamp hook is pivotally connected with nail bin frame.
After nail bin groupware and nail-anvil assembly mutually close up, clamp hook is pivoted around nail bin frame so that the hook on clamp hook
Hook the middle part projection on nail anvil frame, drive the briquetting on nail bin frame to be pressed on the nearside projection on nail anvil frame so that nail bin group
Part and nail-anvil assembly are clamped hook clamping.
The task of the present invention is achieved through the following technical solutions:
With curved surface on the clamp hook of the surgical linear Endo-GIA of the present invention, on the middle part projection on nail anvil frame with folder
The curved surface that curved surface on tight hook matches.After nail bin groupware and nail-anvil assembly mutually close up, by clamp hook around nail bin frame pivot
Rotate so that the curved surface on the hook of clamp hook hooks the curved surface on the middle part projection on nail anvil frame, drive the briquetting on nail bin frame
It is pressed on the nearside projection on nail anvil frame so that nail bin groupware and nail-anvil assembly are clamped hook clamping.
The curved surface on the projection of middle part on nail anvil frame can be the face of cylinder, the curved surface on the hook of clamp hook can be with on nail anvil frame
Middle part projection on the face of cylinder matched, the face of cylinder.
Can have curved surface on briquetting on nail bin frame, the nearside projection on nail anvil frame can have with on the briquetting on nail bin frame
The curved surface that curved surface matches.When nail bin groupware and nail-anvil assembly are clamped hook clamping, the curved surface pressure on the briquetting on nail bin frame
On the curved surface on nearside projection on nail anvil frame so that nail bin groupware and nail-anvil assembly are clamped hook clamping.On nail bin frame
Curved surface on briquetting can be the face of cylinder, and the curved surface on nearside projection on nail anvil frame can be the face of cylinder.
So, when nail bin groupware and nail-anvil assembly are clamped hook clamping, the round bump in the middle part of the hook of clamp hook and nail anvil frame
Between for face contact, the curved surface of the briquetting on nail bin frame also contacts for face with the curved surface of nail anvil frame nearside projection, does not allows during stress
Being easily generated between elastic deformation, and curved surface and curved surface contacts with each other also has positioning action.Therefore, when clamping force is bigger,
Produced elastic deformation will not cause the excesssive gap of the distal site of nail bin groupware and nail-anvil assembly clamping tissue to be anastomosed,
It is thus possible to ensure the correct bending forming of anastomosis staple, reach correct for the tissue operation purpose coincideing.
There is the pivot hole being distributed in on clamp hook concentric on the side of the clamp hook of the surgical linear Endo-GIA of the present invention
Circumference on hole.The elastic projection being positioned on the circumference concentric with the pivot on nail bin frame is had on the side of nail bin frame.
Three holes being distributed on the circumference concentric with the pivot hole on clamp hook can be had on the side of clamp hook.When nail bin groupware with
When nail-anvil assembly is in open configuration, the elastic projection on the side of nail bin frame springs into and is positioned at relatively lower end on the side of clamp hook
In hole.When nail bin groupware is in clamp position with nail-anvil assembly, the elastic projection on the side of nail bin frame springs into clamp hook
The hole at middle part it is positioned on side.When nail bin groupware is in clamped condition with nail-anvil assembly, the elasticity on the side of nail bin frame
Projection springs into the hole being positioned at relatively upper end on the side of clamp hook.
The far-end of the hook of clamp hook can have the lip of inclination.When the elastic projection on the side of nail bin frame springs into the side of clamp hook
When being positioned at the hole at middle part on face, the lip of the inclination of the far-end of the hook of clamp hook leans against on the middle part projection on nail anvil frame,
Nail bin groupware and nail-anvil assembly is kept to be in clamp position.
The near-end of nail anvil frame can have fan groove.Being provided with kidney-shaped key in the fan groove of nail anvil frame, kidney-shaped key can be at fan groove
Interior swing.The near-end of nail bin frame has fork.When nail bin groupware mutually closes up with nail-anvil assembly, the fork of nail bin frame is inserted in nail anvil frame
Kidney-shaped key on.When nail bin groupware and nail-anvil assembly change between open configuration, clamp position and clamped condition, it is inserted in
The fork of the nail bin frame on the kidney-shaped key of nail anvil frame drives kidney-shaped key to swing in fan groove, contributes to nail bin groupware and nail anvil group
Part constrains in open configuration or clamp position.
So, clamp hook can control nail bin groupware and nail-anvil assembly and produces and unclamp, clamp and clamp three of tissue to be anastomosed and move
Make, and, when three actions of tissue to be anastomosed are unclamped, clamp and clamped in switching, constantly change the resistance that clamp hook rotates
Power also sends sound, reaches the using effect of change by feel and sound double-reminding operator's clamp hook position, from
And it is easy in operation technique implement the interim action clamping tissue to be anastomosed, in order to operative doctor can be observed waiting of being pressed from both sides and kiss
Close tissue site and thickness the most suitable, or first complete some auxiliary operations and perform to cut the operation of anastomosed tissue again so that
Operation technique is more convenient.
There is baffle plate on the nail bin frame of the surgical linear Endo-GIA of the present invention, clamp hook has shell, the baffle plate on nail bin frame
In the door v notch v of the shell far-end being inserted on clamp hook.
So, in the door v notch v of the shell far-end that the baffle plate on nail bin frame is inserted on clamp hook, when clamp hook is around nail bin frame pivot
When axle rotates to open and to clamp nail bin groupware and nail-anvil assembly, the shell blocked on clamp hook due to the baffle plate on nail bin frame is remote
End door v notch v so that the door v notch v of the shell of clamp hook will not crush tissue to be anastomosed, do not interfere with yet clamp hook around
Nail bin frame pivots, so that operation technique is safer.
Accompanying drawing explanation
Outside Fig. 1 is the surgical linear Endo-GIA representing the present invention when nail bin groupware is in open configuration with nail-anvil assembly
See figure；
Fig. 2 is the surgical linear Endo-GIA the representing Fig. 1 outward appearance when nail bin groupware is in clamp position with nail-anvil assembly
Figure；
Fig. 3 is that the surgical linear Endo-GIA representing Fig. 1 is when nail bin groupware is in thicker clamped condition with nail-anvil assembly
Outside drawing；
Fig. 4 be represent the surgical linear Endo-GIA of Fig. 1 be removed shell after outside drawing；
Fig. 5 be represent the surgical linear Endo-GIA of Fig. 2 be removed shell after outside drawing；
Fig. 6 be represent the surgical linear Endo-GIA of Fig. 3 be removed shell after outside drawing；
Fig. 7 is the outside drawing of the nail bin groupware of the surgical linear Endo-GIA representing the present invention；
Fig. 8 is the outside drawing of the clamp hook of the surgical linear Endo-GIA representing the present invention；
Fig. 9 be represent the clamp hook of Fig. 8 be removed shell after outside drawing；
Figure 10 is the partial enlargement outside drawing of the clamp hook representing Fig. 9；
Figure 11 is the front view after the nail anvil frame of the surgical linear Endo-GIA representing the present invention is removed adnexa；
Figure 12 is the amplification outside drawing representing the kidney-shaped key being arranged on nail anvil frame；
Figure 13 is the outside drawing of the nail-anvil assembly of the surgical linear Endo-GIA representing the present invention；
Figure 14 be represent the nail-anvil assembly of Figure 13 be removed shell after outside drawing.
Detailed description of the invention
Below by way of example, the optimal of clamp hook in conjunction with the surgical linear Endo-GIA of the accompanying drawing statement present invention is implemented
Example.The scope of the present invention will be indicated in the claims.Will be appreciated that some or all accompanying drawing is provided to the present invention is described
The explanation sketch of most preferred embodiment, and do not depict the full-size(d) of shown part.With reference to chatting in detail of most preferred embodiment
State, it will be more clearly understood from reaching above-mentioned and other objects and advantages the practical ways of the present invention.
As it is shown in figure 1, direction 1 represents near, direction 2 represents remote, and direction 3 represents left, and direction 4 represents right, direction 5
In expression, under direction 6 represents.Direction 1 and direction 2 form the longitudinal direction of surgical linear Endo-GIA, direction 3 and direction
4 form the horizontal of surgical linear Endo-GIAs, and direction 5 and direction 6 form the arrowhead of surgical linear Endo-GIA.
Below in conjunction with Fig. 1 to Figure 14, shape and the structure of the clamp hook of the surgical linear Endo-GIA of the present invention are retouched
State, the effect of clamp hook is described.
Surgical linear Endo-GIA 7 is made up of nail bin groupware 8, nail-anvil assembly 9 and clamp hook 10.Such as Fig. 1 to Fig. 6
Shown in, surgical linear Endo-GIA 7 is respectively at open configuration, clamp position and clamped condition.
As it is shown in fig. 7, nail bin groupware 8 has nail bin 11, installs the nail bin frame 12 of nail bin 11 and be arranged on nail bin frame 12
Interior firing lock 13.Ejector pin block (not shown) and anastomosis staple (not shown) are installed in nail bin 11.Multiple identical
Nail is respectively staggered to two rows in the both sides of nail bin cutter groove 14.Pivot 15 and briquetting 16 is had on nail bin frame 12.
As shown in Figure 11 to 14, nail-anvil assembly 9 has nail anvil 17 and nail anvil frame 18.The surface of nail anvil 17 is arranged
Show the anastomosis staple grooving 19 corresponding with the anastomosis staple position in nail bin 11.Multiple anastomosis staple groovings 19 are at nail anvil cutter
Two rows respectively it are staggered in the both side surface of groove 20.Nearside projection 21 and middle part projection 22 is had on nail anvil frame 18.
As shown in Fig. 8 to Figure 10, clamp hook 10 has pivot hole 23 and hook 24.As shown in Figures 4 to 6, clamp hook
The pivot hole 23 of 10 is connected with the pivot 15 of nail bin frame 12.
As shown in Figures 1 to 6, with curved surface 25 on the hook 24 of clamp hook 10.Have on briquetting 16 on nail bin frame 12
Curved surface 26.With the curved surface 27 matched with the curved surface 25 on clamp hook 10 on middle part projection 22 on nail anvil frame 18,
The curved surface 28 matched with the curved surface 26 on the briquetting 16 on nail bin frame 12 is had on nearside projection 21 on nail anvil frame 18.
After nail bin groupware 8 and nail-anvil assembly 9 mutually close up, clamp hook 10 is rotated around nail bin frame 12 pivot 15 so that folder
Curved surface 25 on the hook 24 of tight hook 10 hooks the curved surface 27 on the middle part projection 22 on nail anvil frame 18, drives nail bin frame 12
On briquetting 16 on curved surface 26 be pressed on the curved surface 28 on the nearside projection 21 on nail anvil frame 18 so that nail bin groupware
8 are clamped hook 10 with nail-anvil assembly 9 clamps.
As shown in Figures 4 to 6, the side of clamp hook 10 there are three to be distributed in same with the pivot hole 23 on clamp hook 10
Hole 29,30 and 31 on the circumference of the heart.There is the pivot 15 being positioned at on nail bin frame 12 concentric on the side of nail bin frame 12
Circumference on elastic projection 32.When nail bin groupware 8 is in open configuration with nail-anvil assembly 9, the side of nail bin frame 12
On elastic projection 32 spring into the hole 31 being positioned at relatively lower end on the side of clamp hook 10.When nail bin groupware 8 and nail anvil group
When part 9 is in clamp position, the elastic projection 32 on the side of nail bin frame 12 springs in being positioned on the side of clamp hook 10
In the hole 30 in portion.When nail bin groupware 8 is in clamped condition with nail-anvil assembly 9, the elasticity on the side of nail bin frame 12 is convex
Block 32 springs into the hole 29 being positioned at relatively upper end on the side of clamp hook 10.
The far-end of the hook 24 of clamp hook 10 has the lip 33 of inclination.When elastic projection 32 bullet on the side of nail bin frame 12
When entering the hole 30 being positioned at middle part on the side of clamp hook 10, the lip 33 of the inclination of the far-end of the hook 24 of clamp hook 10
Lean against on the middle part projection 22 on nail anvil frame 18, keep nail bin groupware 8 and nail-anvil assembly 9 to be in clamp position.
The near-end of nail anvil frame 18 has fan groove 34 (see Figure 11).Kidney-shaped key is installed in the fan groove 34 of nail anvil frame 18
35 (see Figure 12).Kidney-shaped key 35 can swing (see Figure 14) in fan groove 34.The near-end of nail bin frame 12 has fork 36.
When nail bin groupware 8 mutually closes up with nail-anvil assembly 9, the fork 36 of nail bin frame 12 is inserted on the kidney-shaped key 35 of nail anvil frame 18.
When nail bin groupware 8 and nail-anvil assembly 9 change between open configuration, clamp position and clamped condition, it is inserted in nail anvil frame
The fork 36 of the nail bin frame 12 on the kidney-shaped key 35 of 18 drives kidney-shaped key 35 to swing in fan groove 34, contributes to nail bin
Assembly 8 and nail-anvil assembly 9 constrain in open configuration or clamp position.
As shown in Fig. 1 to Fig. 3, Fig. 7 and Fig. 8, nail bin frame 12 has baffle plate 37.Shell 38 is had on clamp hook 10.
In the door v notch v 39 of shell 38 far-end that the baffle plate 37 on nail bin frame 12 is inserted on clamp hook 10.
Understand according to above-mentioned being discussed in detail, compared with existing various surgical linear Endo-GIAs, the surgical thread of the present invention
The clamp hook of shape Endo-GIA has the following technical effect that
The unsatisfactory place of existing surgical linear Endo-GIA is: first, when nail bin groupware is clamped with nail-anvil assembly
During hook clamping, the hook of clamp hook hooks the round bump in the middle part of nail anvil frame with plane, and the plane briquetting on nail bin frame is pressed in nail anvil
On the round bump of frame near-end, it is both linear contact lay, is easy to during stress produce elastic deformation, due to nail bin groupware and nail
It is long cantilever girder construction that anvil assembly clamps the position of tissue to be anastomosed, therefore when clamping force is bigger, and produced elastic deformation
The gap that can cause the distal site that nail bin groupware and nail-anvil assembly clamp tissue to be anastomosed is strengthened, thus causes the anastomosis staple can not
Correct bending forming, it is impossible to reach correct for the tissue operation purpose coincideing；Second, operation technique often needs interim folder
Hold the action of tissue to be anastomosed, in order to it is the most suitable or the completeest that operative doctor can observe the tissue site to be anastomosed pressed from both sides
Some auxiliary operations are become to perform to cut the operation of anastomosed tissue, but the clamp hook of the surgical linear Endo-GIA of this style again
It is only capable of controlling nail bin groupware and nail-anvil assembly produces the two action unclamping and clamping tissue to be anastomosed, thus give operation technique
Bring inconvenience；3rd, when opening and clamp nail bin groupware and nail-anvil assembly, clamp hook pivots around nail bin frame,
Housing end at clamp hook needs across the door v notch v on nail bin frame, owing to the door v notch v of the shell of clamp hook is tight
By tissue to be anastomosed, therefore it is easy to crush tissue to be anastomosed, is also easy to affect clamp hook and pivots around nail bin frame.
The surgical linear Endo-GIA of the present invention realizes, when nail bin groupware and nail-anvil assembly are clamped hook clamping, and clamp hook
Hook contact for face between the round bump in the middle part of nail anvil frame, the curved surface of the briquetting on nail bin frame and nail anvil frame nearside projection
Curved surface also contacts for face, is not easy to produce contacts with each other between elastic deformation, and curved surface and curved surface and also have location during stress
Effect.Therefore, when clamping force is bigger, produced elastic deformation will not cause nail bin groupware and nail-anvil assembly to clamp to wait to kiss
The excesssive gap of the charge-coupled distal site knitted, it is thus possible to ensure the correct bending forming of anastomosis staple, reaches to coincide correct for tissue
Operation purpose.
The clamp hook of the surgical linear Endo-GIA of the present invention can control nail bin groupware and nail-anvil assembly produce unclamp, clamp and
Clamp three actions of tissue to be anastomosed, and, when three actions of tissue to be anastomosed are unclamped, clamp and are clamped in switching,
Constantly change the resistance of clamp hook rotation and send sound, reaching by feel and sound double-reminding operator's clamp hook position
The using effect of the change put, consequently facilitating implement the interim action clamping tissue to be anastomosed, in order to operation in operation technique
It is the most suitable that doctor can observe the tissue site to be anastomosed pressed from both sides and thickness, or first complete some auxiliary operations and perform to cut again
Cut the operation of anastomosed tissue so that operation technique is more convenient.
The surgical linear Endo-GIA of the present invention realizes the door shape of the shell far-end that the baffle plate on nail bin frame is inserted on clamp hook
In breach, when clamp hook pivots to open and clamp nail bin groupware and nail-anvil assembly around nail bin frame, due on nail bin frame
Baffle plate block the door v notch v of the shell far-end on clamp hook so that the door v notch v of the shell of clamp hook will not crush to be waited to kiss
Charge-coupled knit, also do not interfere with clamp hook and pivot around nail bin frame, so that operation technique is safer.
Nail bin groupware, when using the surgical linear Endo-GIA of the present invention, is mutually closed up by surgeon with nail-anvil assembly
After, operation clamp hook just can control nail bin groupware and nail-anvil assembly and produce that to unclamp, clamp and clamp three of tissue to be anastomosed dynamic
Make.Further, when three actions of tissue to be anastomosed are unclamped, clamp and are clamped in switching, the surgical linear cutting kiss of the present invention
Clutch constantly changes the resistance of clamp hook rotation and sends sound, reaches to be clamped by feel and sound double-reminding operator
The using effect of the change of hook position, consequently facilitating implement the interim action clamping tissue to be anastomosed in operation technique, in order to
It is the most suitable that operative doctor can observe the tissue site to be anastomosed pressed from both sides and thickness, or first complete some auxiliary operations and hold
The operation of row cutting anastomosed tissue so that operation technique is more convenient.When clamp hook pivots to open and clamp around nail bin frame
When nail bin groupware and nail-anvil assembly, owing to the baffle plate on nail bin frame blocks the door v notch v of the shell far-end on clamp hook so that
The door v notch v of the shell of clamp hook will not crush tissue to be anastomosed, does not also interfere with clamp hook and pivots around nail bin frame, from
And make operation technique safer.When nail bin groupware and nail-anvil assembly are clamped hook clamping, in the hook of clamp hook and nail anvil frame
Contacting for face between the round bump in portion, the curved surface of the briquetting on nail bin frame also connects for face with the curved surface of nail anvil frame nearside projection
Touch, be not easy during stress to produce and contact with each other between elastic deformation, and curved surface and curved surface also there is positioning action.Therefore,
When clamping force is bigger, produced elastic deformation will not cause nail bin groupware and nail-anvil assembly to clamp the far-end of tissue to be anastomosed
The excesssive gap at position, it is thus possible to ensure the correct bending forming of anastomosis staple, reaches correct for the tissue operation purpose coincideing.This
Time, by firing lock, anastomosis staple can be released in nail bin, make the nail tip of anastomosis staple penetrate clamped to be anastomosed group
Knit the grooving directing reach on nail anvil, reach the operation purpose of engaging tissue.When surgical operation uses, outside existing
The linear Endo-GIA of section is compared, the surgical linear Endo-GIA of the present invention reaches to be more convenient for use, will organize safer can
By the surgical effect coincideing.
It will thus be seen that above-mentioned stated target, it is effectively achieved including by those shown targets described above
?.Described here is only the typical optimal form of implementation of the present patent application, said structure can be made some change also
Without prejudice to the spirit and scope of the present invention.The present invention is not limited to detail set forth herein, and should be as
The restriction of claim retains as statement for art secondary technology personnel, is apparent from any improvement
Or remodeling.
Claims (10)
1. a clamp hook for surgical linear Endo-GIA, described surgical linear Endo-GIA is made up of nail bin groupware, nail-anvil assembly and clamp hook；
Described nail bin groupware has nail bin, the nail bin frame installing described nail bin and the firing lock being arranged in described nail bin frame, nail bin is linear, being provided with ejector pin block and anastomosis staple in nail bin, multiple described anastomosis staples are staggered to more than two rows in nail bin, and described nail bin frame has pivot and briquetting；
Described nail-anvil assembly has nail anvil and the nail anvil frame with described nail anvil, nail anvil is linear, the end face of nail anvil is arranged with the anastomosis staple grooving corresponding with the anastomosis staple position in nail bin, multiple anastomosis staple groovings become more than two rows at the surface alternate of nail anvil, and described nail anvil frame has nearside projection and middle part projection；
Having pivot hole and hook on described clamp hook, the pivot hole of described clamp hook is pivotally connected with described nail bin frame；
After nail bin groupware and nail-anvil assembly mutually close up, clamp hook is pivoted around nail bin frame, the hook making described clamp hook hooks the middle part projection on described nail anvil frame, the briquetting on described nail bin frame is driven to be pressed on the nearside projection on nail anvil frame so that nail bin groupware and nail-anvil assembly are clamped hook clamping；
It is characterized in that: on the side of described clamp hook, have three holes being distributed on the circumference concentric with the pivot hole on described clamp hook, the side of described nail bin frame has the elastic projection being positioned on the circumference concentric with the pivot on described nail bin frame；When described nail bin groupware is in open configuration with nail-anvil assembly, the elastic projection on the side of described nail bin frame springs into the hole being positioned at relatively lower end on the side of described clamp hook；When nail bin groupware is in clamp position with nail-anvil assembly, the elastic projection on the side of described nail bin frame springs into the hole being positioned at middle part on the side of described clamp hook；When nail bin groupware is in clamped condition with nail-anvil assembly, the elastic projection on the side of described nail bin frame springs into the hole being positioned at relatively upper end on the side of described clamp hook.
The clamp hook of surgical linear Endo-GIA the most according to claim 1, is characterized in that, the far-end of the hook of described clamp hook has the lip of inclination；When the elastic projection on the side of described nail bin frame springs into the hole being positioned at middle part on the side of described clamp hook, the lip of the inclination of the far-end of the hook of described clamp hook leans against on the middle part projection on described nail anvil frame, keeps described nail bin groupware and nail-anvil assembly to be in clamp position.
The clamp hook of surgical linear Endo-GIA the most according to claim 2, is characterized in that, the lip of the inclination of the far-end of the hook of described clamp hook is plane.
The clamp hook of surgical linear Endo-GIA the most according to claim 2, is characterized in that, the lip of the inclination of the far-end of the hook of described clamp hook is in curved surface.
The clamp hook of surgical linear Endo-GIA the most according to claim 1, it is characterized in that, the near-end of described nail anvil frame has fan groove, is provided with kidney-shaped key in the fan groove of described nail anvil frame, described kidney-shaped key can swing in fan groove, and the near-end of described nail bin frame has fork；When nail bin groupware mutually closes up with nail-anvil assembly, the fork of described nail bin frame is inserted on the kidney-shaped key of nail anvil frame；When nail bin groupware and nail-anvil assembly change between open configuration, clamp position and clamped condition, the fork of the nail bin frame being inserted on the kidney-shaped key of nail anvil frame drives kidney-shaped key to swing in fan groove.
The clamp hook of surgical linear Endo-GIA the most according to claim 1, is characterized in that, with curved surface on described clamp hook, with the curved surface matched with the curved surface on described clamp hook on the middle part projection on described nail anvil frame；After nail bin groupware and nail-anvil assembly mutually close up, clamp hook is pivoted around nail bin frame, the curved surface on the hook of described clamp hook is made to hook the curved surface on the middle part projection on described nail anvil frame, the briquetting on described nail bin frame is driven to be pressed on the nearside projection on nail anvil frame so that nail bin groupware and nail-anvil assembly are clamped hook clamping.
The clamp hook of surgical linear Endo-GIA the most according to claim 6, it is characterized in that, the curved surface on the projection of middle part on described nail anvil frame is the face of cylinder, and the curved surface on the hook of described clamp hook is the face of cylinder matched with the face of cylinder on the middle part projection on described nail anvil frame.
The clamp hook of surgical linear Endo-GIA the most according to claim 6, is characterized in that, the briquetting on described nail bin frame has curved surface, the nearside projection on described nail anvil frame has the curved surface matched with the curved surface on the briquetting on described nail bin frame；When nail bin groupware is clamped by described clamp hook with nail-anvil assembly, the curved surface on briquetting on described nail bin frame is pressed on the curved surface on the nearside projection on described nail anvil frame.
The clamp hook of surgical linear Endo-GIA the most according to claim 8, is characterized in that, the curved surface on briquetting on described nail bin frame is the face of cylinder, and the curved surface on nearside projection on described nail anvil frame is the face of cylinder.
The clamp hook of surgical linear Endo-GIA the most according to claim 1, is characterized in that, described nail bin frame has baffle plate, described clamp hook has shell, in the door v notch v of the shell far-end that the baffle plate on described nail bin frame is inserted on described clamp hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433471.8A CN103169514B (en) | 2011-12-21 | 2011-12-21 | The clamp hook of surgical linear Endo-GIA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433471.8A CN103169514B (en) | 2011-12-21 | 2011-12-21 | The clamp hook of surgical linear Endo-GIA |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103169514A CN103169514A (en) | 2013-06-26 |
| CN103169514B true CN103169514B (en) | 2016-08-17 |
Family
ID=48630021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110433471.8A Active CN103169514B (en) | 2011-12-21 | 2011-12-21 | The clamp hook of surgical linear Endo-GIA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103169514B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494090B (en) * | 2020-11-26 | 2022-02-08 | 苏州法兰克曼医疗器械有限公司 | Cutting anastomat suitable for minimally invasive surgery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065929A (en) * | 1991-04-01 | 1991-11-19 | Ethicon, Inc. | Surgical stapler with locking means |
| CN2751749Y (en) * | 2004-12-03 | 2006-01-18 | 翁志强 | Adjustable linear cutting anastomat |
| CN101675898A (en) * | 2008-09-19 | 2010-03-24 | 伊西康内外科公司 | Surgical stapling instrument with cutting member arrangement |
| CN102125150A (en) * | 2010-10-31 | 2011-07-20 | 沈新荣 | Smallanthus sonchifolius preserved fruit and preparation method thereof |
| CN202537568U (en) * | 2011-12-21 | 2012-11-21 | 常州市康迪医用吻合器有限公司 | Clamping hook of surgical linear cutting stapler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8028884B2 (en) * | 2008-04-22 | 2011-10-04 | Tyco Healthcare Group Lp | Cartridge for applying varying amounts of tissue compression |
-
2011
- 2011-12-21 CN CN201110433471.8A patent/CN103169514B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065929A (en) * | 1991-04-01 | 1991-11-19 | Ethicon, Inc. | Surgical stapler with locking means |
| CN2751749Y (en) * | 2004-12-03 | 2006-01-18 | 翁志强 | Adjustable linear cutting anastomat |
| CN101675898A (en) * | 2008-09-19 | 2010-03-24 | 伊西康内外科公司 | Surgical stapling instrument with cutting member arrangement |
| CN102125150A (en) * | 2010-10-31 | 2011-07-20 | 沈新荣 | Smallanthus sonchifolius preserved fruit and preparation method thereof |
| CN202537568U (en) * | 2011-12-21 | 2012-11-21 | 常州市康迪医用吻合器有限公司 | Clamping hook of surgical linear cutting stapler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103169514A (en) | 2013-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6389007B2 (en) | Staple cartridge unit and medical stapler using the staple cartridge unit | |
| CN101999916B (en) | Endoscopic surgery cutting stapler with elastic neck ring | |
| KR100646762B1 (en) | A staple for operation and a stapler for operation provided with the same | |
| JP3213926U (en) | Medical stapler | |
| HK1103002A1 (en) | Surgical stapler with an end effector support | |
| CN104688288B (en) | Medical stapler | |
| JP3201368U (en) | Head assembly and straight suture cutting apparatus using the head assembly | |
| CN103169513A (en) | Clamping thickness adjusting mechanism of surgery linear cutting anastomat | |
| CN103142274A (en) | Circular tube-type anastomat | |
| CN202537568U (en) | Clamping hook of surgical linear cutting stapler | |
| CN103169514B (en) | The clamp hook of surgical linear Endo-GIA | |
| CN202568351U (en) | Percussion mechanism for surgical linear cutting anastomat | |
| CN109662744A (en) | Stapler | |
| CN103190938B (en) | The nail bin groupware of surgical linear Endo-GIA | |
| CN108125697A (en) | Surgical operating instrument | |
| CN209347124U (en) | Medical stapler | |
| CN103142272A (en) | Knob assembly and circular tube type anastomat with same | |
| CN109091183B (en) | Surgical anastomat device | |
| CN208598460U (en) | Surgical operating instrument | |
| CN202568352U (en) | Clamping hook for surgical linear incision anastomat | |
| CN204562262U (en) | Medical stapler | |
| CN204147075U (en) | Medical stapler | |
| CN208910357U (en) | Surgical operating instrument | |
| CN103169515B (en) | The firing lock of surgical linear Endo-GIA | |
| CN210249962U (en) | Split type binding clip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: SHANGHAI MEDICAL INSTRUMENTS CO., LTD. Effective date: 20141204 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20141204 Address after: 213022 No. 16, Kunlun Road, Xinbei District, Jiangsu, Changzhou Applicant after: Changzhou Kangdi Medical Anastomat Co., Ltd Address before: 213022 No. 16, Kunlun Road, Xinbei District, Jiangsu, Changzhou Applicant before: Changzhou Kangdi Medical Anastomat Co., Ltd Applicant before: Shanghai Medical Instruments Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |