CN103190938B - The nail bin groupware of surgical linear Endo-GIA - Google Patents
The nail bin groupware of surgical linear Endo-GIA Download PDFInfo
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- CN103190938B CN103190938B CN201210002355.5A CN201210002355A CN103190938B CN 103190938 B CN103190938 B CN 103190938B CN 201210002355 A CN201210002355 A CN 201210002355A CN 103190938 B CN103190938 B CN 103190938B
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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
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Abstract
A kind of nail bin groupware of surgical linear Endo-GIA, the far-end of realizing the push rod in nail bin groupware has U-shaped fork, ejector pin has tiltedly been carved U-lag, the longitudinal length of the U-lag that ejector pin is tiltedly carved is greater than the longitudinal length of the distal rod of the U-shaped fork of push rod, the flexible projection in side of nail bin cover, on nail bin frame, there is the locating hole that is kidney-shaped, the flexible hook in bottom, while reaching in nail bin is not arranged on nail bin frame, or in the time of nail bin groupware and the not clamped hook clamping of nail-anvil assembly, or the technique effect of prevention firing lock action after firing lock moves, make surgical linear Endo-GIA by more secure when used, also realize the middle part that the ejector pin in nail bin groupware tiltedly carves and have the projection that is keyhole, the surface of the projection of the keyhole of tiltedly carving at ejector pin has the bottom of cover plate, cover plate to have inclined-plane, on cutter, there is the hole that is keyhole, reach that cutter shape is little and simple technique effect makes can use the harder sharper cutter of material manufacture on surgical linear Endo-GIA.
Description
Technical field
The present invention relates to the nail bin groupware in various surgical linear Endo-GIAs.
Background technology
Various surgical linear Endo-GIAs are used to replace and in operation, adopt the free-hand identical operation of needlework, byBe widely used for human body alimentary canal organ, respiratory tract organ and the end end of apparatus urogenitalis official rank Organ and tissue, distolateral and sideThe operations such as side-to-side anastomosis, form the operation of organ passage and the operation of close incisions, are specially adapted to appear the device with operating difficultiesThe anastomosis operation of official and tissue, can reduce operating time, improves operation quality.
As introduced in United States Patent (USP) publicity 20080116244 and 20090308909: known various surgical linears are cutCut stapler, formed by nail bin groupware, nail-anvil assembly and clamp hook. In nail bin groupware, have nail bin, install nail bin nail bin frame andBe arranged on the firing lock in nail bin frame. It is linear that nail bin is, can be both rectilinear, also can be curved. At nail binEjector pin piece and anastomosis staple are inside installed. More than being staggered to two rows in nail bin, multiple anastomosis staples (comprise two rows). Nail bin frameOn have briquetting. Firing lock is tiltedly carved with cutter and is formed by push button, slide block, push rod, ejector pin, and wherein cutter can be according to using needInstall. In nail-anvil assembly, there are nail anvil and nail anvil frame. Nail anvil can be made one with nail anvil frame. It is linear that nail anvil is, and can be bothRectilinear, also can be curved. On the surface of nail anvil, be arranged with coincide corresponding with anastomosis staple position in nail binNail grooving. More than being staggered to two rows on the surface of nail anvil, multiple anastomosis staple groovings (comprise two rows). On nail anvil frameThere are middle part projection and nearside projection. Clamp hook and nail bin frame are pivotally connected. After nail bin groupware and nail-anvil assembly close up mutually, willClamp hook rotates around nail bin frame pivot, makes clamp hook hook the middle part projection on nail anvil frame, drives the briquetting on nail bin frame to pressOn the nearside projection of nail anvil frame, the clamped hook of nail bin groupware and nail-anvil assembly is clamped, the clamp tissue of waiting to coincide is at nailBetween anvil and nail bin. In the time that the push button promotion slide block of firing lock moves forward in nail bin frame, slipper push push rod is at nail binIn frame, move forward, push rod promotes ejector pin again and tiltedly carves with cutter and move forward in nail bin frame, and ejector pin is tiltedly carved and promoted successivelyEach ejector pin piece is released anastomosis staple in nail bin. Anastomosis staple in nail bin takes the shape of the letter U. When ejector pin piece by anastomosis staple in nail binRelease, the nail tip of the anastomosis staple of U-shaped is pressed on the grooving of nail anvil, make two of anastomosis staple nail legs of U-shaped along shapingGroove bends to the anastomosis staple of B shape, reaches and will organize identical operation object. Meanwhile, cutter are by the tissue being coincide or kissedThe anastomosis staple that the tissue place of closing is bent to B shape cuts.
In order to ensure safe handling surgical linear Endo-GIA, in nail bin is not arranged on nail bin frame time or work as nail binWhen the not clamped hook of assembly and nail-anvil assembly clamps or when firing lock moves after or work as anastomosis staple and release in nail binBut when the nail bin not yet more renewing, the nail bin groupware of surgical linear Endo-GIA should possess the technology that stops firing lock actionEffect. As the push rod in the nail bin groupware of the surgical linear Endo-GIA of being introduced in United States Patent (USP) publicity 20090308909Make one with cutter, extend to nail bin place from push button and slide block, be elongated thin slice, when nail bin is not arranged on nailIn the frame of storehouse time or in the time of nail bin groupware and the not clamped hook clamping of nail-anvil assembly, the spring leaf on nail bin frame will all-in-one-piece processedAfter push rod and cutter are raised, all-in-one-piece push rod processed and cutter are stuck on the block of nail bin frame, to stop firing lockAction. The unsatisfactory place of the firing lock of the surgical linear Endo-GIA of this style is: be elongated laminarCutter on push rod need punch process, cannot adopt hard material to manufacture sharp cutter, and, do not possess when percussionAfter mechanism has moved or anastomosis staple from release in nail bin but not yet more renew nail bin time stop firing lock again to moveTechnique effect. As in the nail bin groupware of the surgical linear Endo-GIA of being introduced in United States Patent (USP) publicity 20080116244Cutter are installed in the cutter cover at nail bin end face place; In nail bin is not arranged on nail bin frame time or when nail bin groupware withWhen the not clamped hook of nail-anvil assembly clamps, after the spring leaf on nail bin frame is raised push rod, make push rod be stuck in the block of nail bin frameUpper, to stop firing lock action; When anastomosis staple from release in nail bin but not yet more renew nail bin time, cutter cover is holded upTo stop the clamped hook of nail bin groupware and nail-anvil assembly to clamp. The firing lock of the surgical linear Endo-GIA of this styleUnsatisfactory place is: it is more complicated that cutter are installed in structure in the cutter cover at nail bin end face place, and, also do not possessThe technique effect that prevention firing lock moves again after firing lock moves. Therefore the nail bin of surgical linear Endo-GIAAssembly also needs to improve.
Obviously can be found out by above-mentioned, design now a large amount of not surgical linear Endo-GIAs in specie, andAnd the development work of the nail bin groupware of new surgical linear Endo-GIA is still continuing, to using in a large number in the world every yearSurgical linear Endo-GIA be improved further, reach more secure when used, labour-saving surgical effect more.
Summary of the invention
The object of the invention is to propose a kind of nail bin groupware of surgical linear Endo-GIA, realize in nail bin groupwareThe far-end of push rod has U-shaped fork, and ejector pin has tiltedly been carved U-lag, and the longitudinal length of the U-lag that ejector pin is tiltedly carved is greater than the U-shaped of push rodThe longitudinal length of the distal rod of fork, the flexible projection in side of nail bin cover, has the locating hole, the bottom that are kidney-shaped to have bullet on nail bin frameProperty hook; Thereby in nail bin is arranged on nail bin frame time, the elastic projection on nail bin cover springs in the locating hole on nail bin frame, constraintLengthwise position between nail bin and nail bin frame, the ejector pin that the elastic hook of nail bin frame bottom withstands in nail bin is tiltedly carved, and makes nail bin coverOn elastic projection spring into the top of the kidney-shaped locating hole on nail bin frame, the bottom of nail bin is separated with nail bin frame, at the bottom of nail bin frameThe elastic hook of portion blocks the U-shaped fork of push rod, stops that push rod moves forward in nail bin frame; When nail bin groupware and nail-anvil assembly are pressed from both sidesWhen tight hook clamps, the elastic projection on nail bin cover moves into the bottom of the kidney-shaped locating hole on nail bin frame, and the bottom of nail bin is crushed onOn nail bin frame, the ejector pin in nail bin is tiltedly carved the elastic hook of nail bin frame bottom is depressed, and makes push rod can promote ejector pin and tiltedly carvesIn nail bin frame, move forward; While movement backward again after push rod moves forward in nail bin frame, the U-lag of tiltedly carving due to ejector pinLongitudinal length be greater than the longitudinal length of the distal rod of the U-shaped fork of push rod, the U-lag of tiltedly carving at ejector pin is pitched with the U-shaped of push rodDistal rod between there is gap, make the elastic hook of the bottom of nail bin frame to spring into ejector pin by the groove of the bottom of nail bin coverIn gap between the distal rod of the U-lag of tiltedly carving and the U-shaped of push rod fork, stop that push rod moves forward in nail bin frame; ReachWhen be not arranged in nail bin frame when nail bin or in the time that nail bin groupware and the not clamped hook of nail-anvil assembly clamp or work as percussion lockStructure has moved the technique effect of rear prevention firing lock action, and surgical linear Endo-GIA is used in operationTime safer.
Another object of the present invention is to propose a kind of nail bin groupware of surgical linear Endo-GIA, realize nail bin groupwareThere is the projection that is keyhole at the middle part that interior ejector pin is tiltedly carved, and the surface of the projection of the keyhole at the middle part of tiltedly carving at ejector pin hasInclined-plane is arranged at the bottom of cover plate, cover plate, has the hole that is keyhole on cutter; Thereby reach when the keyhole on cutterThe inclined-plane that aperture strain is crossed the surperficial cover plate of the projection of the keyhole at the middle part that ejector pin tiltedly carves springs into ejector pin and tiltedly carvesThe projection of keyhole at middle part on after, cutter are fixed on the technique effect that ejector pin is tiltedly carved. Due to cutter shapeLittle and simple, make can use the harder sharper cutter of material manufacture on surgical linear Endo-GIA, at surgery handMore laborsaving while use in art.
At present, known surgical linear Endo-GIA is made up of nail bin groupware, nail-anvil assembly and clamp hook.
In nail bin groupware, there is nail bin, the nail bin frame of nail bin is installed and is arranged on the firing lock in nail bin frame. Nail bin is lineShape, can be both rectilinear, also can be curved. Ejector pin piece and anastomosis staple are installed in nail bin. Multiple anastomosis staplesBe staggered to two rows in nail bin more than, (comprise two rows). On nail bin frame, there is briquetting. Firing lock by push button, slide block, push rod,Ejector pin is tiltedly carved with cutter and is formed.
In nail-anvil assembly, there are nail anvil and nail anvil frame. Nail anvil can be made one with nail anvil frame. It is linear that nail anvil is, and can be bothRectilinear, also can be curved. On the surface of nail anvil, be arranged with coincide corresponding with anastomosis staple position in nail binNail grooving. More than being staggered to two rows on the surface of nail anvil, multiple anastomosis staple groovings (comprise two rows). On nail anvil frameThere are middle part projection and nearside projection.
On clamp hook, there are pivot hole and hook. The pivot hole of clamp hook and nail bin frame are pivotally connected.
After nail bin groupware and nail-anvil assembly close up mutually, clamp hook rotates, hooks on nail anvil frame around nail bin frame pivotMiddle part projection, drives the briquetting on nail bin frame to be pressed on the nearside projection of nail anvil frame, and nail bin groupware and nail-anvil assembly are pressed from both sidesTight hook clamps. In the time that push button promotion slide block moves forward in nail bin frame, slipper push push rod moves forward in nail bin frame, pushes awayBar promotes ejector pin again and tiltedly carves with cutter and move forward in nail bin frame, and ejector pin is tiltedly carved and promoted successively each ejector pin piece again and will coincideNail is released in nail bin.
Task of the present invention is achieved through the following technical solutions:
The far-end of the push rod in the nail bin groupware of surgical linear Endo-GIA of the present invention has U-shaped fork, and ejector pin is tiltedly carvedThere is U-lag. The longitudinal length of the U-lag that ejector pin is tiltedly carved is greater than the longitudinal length of the distal rod of the U-shaped fork of push rod. Nail bin frameThe flexible hook in bottom. In nail bin is not arranged on nail bin frame time, the elastic hook of nail bin frame bottom blocks the U-shaped fork of push rod, stopsPush rod moves forward in nail bin frame. In nail bin is arranged on nail bin frame time, the U-shaped fork of push rod inserts the U-shaped that ejector pin is tiltedly carvedIn groove. Tiltedly carve when the elastic hook of nail bin frame bottom is depressed when the ejector pin in nail bin, push rod can promote ejector pin and tiltedly carve at nail binIn frame, move forward. After mobile backward again after push rod moves forward in nail bin frame, the U-lag of tiltedly carving due to ejector pin verticalThe longitudinal length that is greater than the distal rod of the U-shaped fork of push rod to length, it is far away that the U-lag of tiltedly carving at ejector pin and the U-shaped of push rod are pitchedThere is gap between bar in end, makes the elastic hook of the bottom of nail bin frame can spring into U-lag that ejector pin tiltedly carves and the U-shaped of push rodIn gap between the distal rod of fork, stop that push rod moves forward in nail bin frame.
The bottom of the nail bin in the nail bin groupware of surgical linear Endo-GIA of the present invention can be provided with nail bin cover. NailGroove is arranged at the bottom of storehouse cover. While movement backward again after push rod moves forward in nail bin frame, the U-lag of tiltedly carving due to ejector pinLongitudinal length is greater than the longitudinal length of the distal rod of the U-shaped fork of push rod, the U-lag of tiltedly carving at ejector pin and the U-shaped of push rod forkBetween distal rod, there is gap, make the elastic hook of the bottom of nail bin frame to spring into ejector pin by the groove of the bottom of nail bin cover obliqueIn gap between the distal rod of the U-lag of carving and the U-shaped of push rod fork, stop that push rod moves forward in nail bin frame.
The side of nail bin cover can flexible projection. On nail bin frame, can there is locating hole. In nail bin is arranged on nail bin frameTime, the elastic projection on nail bin cover springs in the locating hole on nail bin frame, the lengthwise position between constraint nail bin and nail bin frame.
Locating hole on nail bin frame can be kidney-shaped. In nail bin is arranged on nail bin frame time, the elastic hook of nail bin frame bottomThe ejector pin withstanding in nail bin is tiltedly carved, and makes elastic projection on nail bin cover spring into the top of the kidney-shaped locating hole on nail bin frame, nailThe bottom in storehouse and nail bin frame separate, and the elastic hook of nail bin frame bottom blocks the U-shaped of push rod and pitches, stop push rod in nail bin frame toFront movement. In the time of nail bin groupware and the clamped hook clamping of nail-anvil assembly, the elastic projection on nail bin cover moves into the waist on nail bin frameThe bottom of shape locating hole, the bottom of nail bin is crushed on nail bin frame, thus the ejector pin in nail bin is tiltedly carved the bullet of nail bin frame bottomProperty hook is depressed, and makes push rod can promote ejector pin and tiltedly carves in nail bin frame and move forward.
The both sides of the facial nearly portion of nail bin can have the distal part of elongated slot, two sides can be fluted, the far-end of bottomCan there is hook groove. The top of the both sides of the nearly portion of nail bin cover can have the distal part of crimp, two sides can have flange, bottomFar-end can have hook. In the time that nail bin cover is arranged on the bottom of nail bin, the crimp at the top of the both sides of the nearly portion of nail bin cover inserts nailIn the elongated slot of the both sides of the facial nearly portion in storehouse, two sides of the flange insertion nail bin of the distal part of two sides of nail bin coverIn the groove of distal part, the hook of the far-end of the bottom of nail bin cover hooks in the hook groove of far-end of the bottom of nail bin, and nail bin cover is fixedOn the bottom of nail bin.
The centre of the facial nearly portion of the nail bin in the nail bin groupware of surgical linear Endo-GIA of the present invention can haveElastic hook, can there be nearly groove and groove far away in the top of the nearly portion that ejector pin is tiltedly carved. When ejector pin is tiltedly carved while being arranged in nail bin, the bullet of nail binProperty hook springs in the groove far away that ejector pin tiltedly carves, and ejector pin is tiltedly carved to the initial position constraining in nail bin. When push rod is in nail bin frameAfter mobile backward again after moving forward, the elastic hook of nail bin springs in the nearly groove that ejector pin tiltedly carves, and constrains in the U-shaped that ejector pin is tiltedly carvedThe gap existing between the distal rod of the U-shaped fork of groove and push rod, makes the elastic hook of the bottom of nail bin frame to spring into ejector pin obliqueIn gap between the distal rod of the U-lag of carving and the U-shaped of push rod fork, stop that push rod moves forward in nail bin frame.
Can there be projection at the middle part that ejector pin in the nail bin groupware of surgical linear Endo-GIA of the present invention is tiltedly carved, is pushing awayCan there be cover plate on the surface of the projection at the middle part that nail is tiltedly carved, can be porose on cutter. When the aperture strain on cutterAfter the surperficial cover plate of crossing the projection at the middle part that ejector pin tiltedly carves springs on the projection at the middle part that ejector pin tiltedly carves, cutter are fixedTiltedly carve at ejector pin.
The projection at the middle part that ejector pin is tiltedly carved can be keyhole, the projection of the keyhole at the middle part of tiltedly carving at ejector pinCan there be cover plate on surface, and the hole on cutter can be keyhole. When the aperture strain of the keyhole on cutterAfter the surperficial cover plate of crossing the projection of the keyhole at the middle part that ejector pin tiltedly carves springs on the projection of keyhole, cutter quiltBeing fixed on ejector pin tiltedly carves.
Inclined-plane can be arranged at the bottom of the surperficial cover plate of the projection at the middle part that ejector pin is tiltedly carved. When the aperture elasticity on cutterThe inclined-plane that the surperficial cover plate of the projection at the middle part that ejector pin tiltedly carves is crossed in distortion is cut after springing on the projection at the middle part that ejector pin tiltedly carvesCutter is fixed on ejector pin and tiltedly carves.
Brief description of the drawings
Fig. 1 represents that surgical linear Endo-GIA of the present invention is at nail bin groupware and nail-anvil assembly during in open configurationOutside drawing;
Fig. 2 is that the surgical linear Endo-GIA of presentation graphs 1 is at nail bin groupware and nail-anvil assembly during in clamped conditionOutside drawing;
Fig. 3 is that the surgical linear Endo-GIA of presentation graphs 1 is removed the outside drawing after shell;
Fig. 4 is that the surgical linear Endo-GIA of presentation graphs 2 is removed the outside drawing after shell;
Fig. 5 is the outside drawing that represents the nail bin groupware of surgical linear Endo-GIA of the present invention;
Fig. 6 is the outside drawing of the nail bin frame of presentation graphs 5;
Fig. 7 is the outside drawing that the bottom of presentation graphs 5 is provided with the nail bin of nail bin cover;
Fig. 8 is the interior ejector pin piece of installing of the nail bin of presentation graphs 7 and the outside drawing of anastomosis staple;
Fig. 9 is the outside drawing of the nail bin cover of presentation graphs 7;
Figure 10 is the outside drawing of the nail bin of presentation graphs 7;
Figure 11 is the outside drawing that represents the another side of the nail bin of Figure 10;
Figure 12 is the front view (subsidiary most proximal end ejector pin piece and anastomosis staple) of the firing lock of presentation graphs 5;
Figure 13 is the front view that represents the push rod of Figure 12;
Figure 14 is that the ejector pin that represents Figure 12 is tiltedly carved and the amplification outside drawing of cutter;
Figure 15 is the amplification outside drawing that represents that the ejector pin of Figure 14 is tiltedly carved;
Figure 16 is the amplification outside drawing that represents the cutter of Figure 14;
Figure 17 is nail bin groupware the facing in the time of clamped state not of the surgical linear Endo-GIA of presentation graphs 1Figure;
Figure 18 is the cutaway view that represents the surgical linear Endo-GIA of Figure 17;
Figure 19 is nail bin groupware the facing in the time of clamped state of the surgical linear Endo-GIA of presentation graphs 2Figure;
Figure 20 is the cutaway view that represents the surgical linear Endo-GIA of Figure 19;
Figure 21 is that the nail bin groupware firing lock after completing percussion that represents the surgical linear Endo-GIA of Figure 18 returnsCutaway view while returning original state.
Detailed description of the invention
Use way of example below, state by reference to the accompanying drawings the best of the nail bin groupware of surgical linear Endo-GIA of the present inventionEmbodiment. Scope of the present invention will be pointed out in the claims. Will be appreciated that some or all accompanying drawing is all for this is describedThe explanation sketch of the most preferred embodiment of invention, and the full-size(d) of part shown in not depicting. With reference to most preferred embodiment in detailThin narration, understand with will be more readily apparent from reach the present invention above-mentioned with the practical ways of other objects and advantages.
As shown in Figure 1, direction 1 represents near, and direction 2 represents far away, and direction 3 represents left, and direction 4 represents right, and direction 5 representsUpper, under direction 6 represents. It is longitudinal that direction 1 and direction 2 form surgical linear Endo-GIA 7, and direction 3 and direction 4 form surgical threadShape Endo-GIA 7 is horizontal, and direction 5 and direction 6 form surgical linear Endo-GIA 7 arrowheads.
Shape and the structure of the nail bin groupware 8 below in conjunction with Fig. 1 to Figure 21 to surgical linear Endo-GIA 7 of the present inventionBe described, the effect of nail bin groupware 8 is described.
Surgical linear Endo-GIA 7 is made up of nail bin groupware 8, nail-anvil assembly 9 and clamp hook 10. As Fig. 1 and Fig. 3 instituteShow, surgical linear Endo-GIA 7 is in open configuration. As shown in Figure 2 and Figure 4, surgical linear Endo-GIA 7 is in clampingState.
As shown in Fig. 5 to Figure 16, in nail bin groupware 8, there is nail bin 11, the nail bin frame 12 of nail bin 11 is installed and is arranged on nail binFiring lock 13 in frame 12. Ejector pin piece 14 and anastomosis staple 15 are installed in nail bin 11. Multiple anastomosis staples 15 are at nail bin cutter groove16 both sides are respectively staggered to two rows. On nail bin frame 12, there is briquetting 17. Firing lock 13 by push button 18, slide block 19, push rod 20,Ejector pin tiltedly carve 21 and cutter 22 form.
As shown in Figure 3 and Figure 4, in nail-anvil assembly 9, there are nail anvil 23 and nail anvil frame 24. On the surface of nail anvil 23, be arranged withAnastomosis staple grooving 25 corresponding to anastomosis staple 15 positions in nail bin 11. Multiple anastomosis staple groovings 25 are two of nail anvil cutter groove 26On side surface, be respectively staggered to two rows. On nail anvil frame 24, there are middle part projection 27 and nearside projection 28.
As shown in Figures 3 to 16, on clamp hook 10, there are pivot hole 29 and hook 30. Pivot hole 28 and the nail bin frame of clamp hook 1012 pivots 31 connect. After nail bin groupware 8 and nail-anvil assembly 9 close up mutually, clamp hook 10 rotates, presss from both sides around nail bin frame 12 pivots 31The hook 30 of tight hook 10 hooks the middle part projection 27 on nail anvil frame 24, drives the briquetting 17 on nail bin frame 12 to be pressed in the near of nail anvil frame 24On side projection 28, nail bin groupware 8 and the clamped hook 10 of nail-anvil assembly 9 are clamped. When push button 18 promotes slide block 19 at nail bin frameWhile moving forward in 12, slide block 19 promotes push rod 20 and moves forward in nail bin frame 12, and push rod 20 promotes ejector pin again and tiltedly carves 21 HesCutter 22 move forward in nail bin frame 12, ejector pin tiltedly carve 21 promote successively again each ejector pin piece 14 by anastomosis staple 15 from nail bin11 interior releases.
As shown in Figure 17 to Figure 21, the far-end of the push rod 20 in nail bin groupware 8 has U-shaped fork 32, and ejector pin is tiltedly carved U-shaped on 21Groove 33. The longitudinal length that ejector pin is tiltedly carved the U-lag 33 on 21 is greater than the longitudinal length of the distal rod 34 of the U-shaped fork 32 of push rod 20.The flexible hook 35 in bottom of nail bin frame 12. When nail bin 11 is not arranged on nail bin frame 12 when interior, the elastic hook 35 of nail bin frame 12 bottomsThe U-shaped fork 32 that blocks push rod 20, stops that push rod 20 moves forward in nail bin frame 12. In nail bin 11 is arranged on nail bin frame 12Time, the U-shaped fork 32 of push rod 20 inserts ejector pin and tiltedly carves in the U-lag 33 on 21. When the ejector pin in nail bin 11 tiltedly carves 21 by nail bin frameWhen the elastic hook 35 of 12 bottoms is depressed, push rod 20 can promote ejector pin and tiltedly carve 21 and move forward in nail bin frame 12. When push rod 20After mobile backward again after moving forward in nail bin frame 12, the longitudinal length of tiltedly carving the U-lag 33 on 21 due to ejector pin is greater than and pushes awayThe longitudinal length of the distal rod 34 of the U-shaped fork 32 of bar 20, tiltedly carves the U-shaped fork 32 of U-lag 33 on 21 and push rod 20 at ejector pinBetween distal rod 34, there is gap 36, make the elastic hook 35 of the bottom of nail bin frame 12 can spring into ejector pin and tiltedly carve the U-shaped on 21In gap 36 between the distal rod 34 of the U-shaped fork 32 of groove 33 and push rod 20, stop that push rod 20 moves forward in nail bin frame 12.
The bottom of the nail bin 11 in nail bin groupware 8 is provided with nail bin cover 37. Groove 38 is arranged at the bottom of nail bin cover 37. When push rod 20While movement backward after moving forward in nail bin frame 12, the longitudinal length of tiltedly carving the U-lag 33 on 21 due to ejector pin is greater than and pushes away againThe longitudinal length of the distal rod 34 of the U-shaped fork 32 of bar 20, tiltedly carves the U-shaped fork 32 of U-lag 33 on 21 and push rod 20 at ejector pinBetween distal rod 34, there is gap 36, make the elastic hook 35 of the bottom of nail bin frame 12 can be by the groove of the bottom of nail bin cover 3738 spring into ejector pin tiltedly carves in the gap 36 between the distal rod 34 of U-shaped fork 32 of U-lag 33 on 21 and push rod 20, stops push rod20 move forward in nail bin frame 12.
The flexible projection 39 in side of nail bin cover 37. On nail bin frame 12, there is kidney-shaped locating hole 40. When nail bin 11 is arranged on nailWhen storehouse frame 12 is interior, the ejector pin that the elastic hook 35 of nail bin frame 12 bottoms withstands in nail bin 11 tiltedly carves 21, makes the bullet on nail bin cover 37Property projection 39 spring into the top 41 of the kidney-shaped locating hole 40 on nail bin frame 12, the bottom of nail bin 11 separate with nail bin frame 12, follows closelyThe elastic hook 35 of storehouse frame 12 bottoms blocks the U-shaped fork 32 of push rod 20, stops that push rod 20 moves forward in nail bin frame 12, approximately simultaneouslyLengthwise position between bundle nail bin 11 and nail bin frame 12. In the time that nail bin groupware 8 and the clamped hook 10 of nail-anvil assembly 9 clamp, nail binElastic projection 39 on cover 37 moves into the bottom 42 of the kidney-shaped locating hole 40 on nail bin frame 12, and the bottom of nail bin 11 is crushed on nail binOn frame 12, thus the ejector pin in nail bin 11 tiltedly carve 21 the elastic hook 35 of nail bin frame 12 bottoms depressed, push rod 20 can be pushed awayMoving ejector pin is tiltedly carved 21 and is moved forward in nail bin frame 12.
As shown in Fig. 7 to Figure 11, the both sides of the facial nearly portion of nail bin 11 have the distal part of elongated slot 43, two sides fluted44, the far-end of bottom has hook groove 45. The top of the both sides of the nearly portion of nail bin cover 37 has the distal part of crimp 46, two sides to have flange47, the far-end of bottom has hook 48. In the time that nail bin cover 37 is arranged on nail bin 11, the top of the both sides of the nearly portion of nail bin cover 37 curvedInsert in the elongated slot 43 of both sides of the facial nearly portion of nail bin 11 on limit 46, and the flange 47 of the distal part of two sides of nail bin cover 37 is insertedEnter in the groove 44 of distal part of two sides of nail bin 11, the hook 48 of the far-end of the bottom of nail bin cover 37 hooks the bottom of nail bin 11The hook groove 45 of far-end in, nail bin cover 37 is fixed on the bottom of nail bin 11.
As shown in FIG. 10 to 21, the flexible hook 49 in the centre of the facial nearly portion of the nail bin 11 in nail bin groupware 8, ejector pinThere are nearly groove 50 and groove 51 far away in the top of tiltedly carving 21 nearly portion. Tiltedly carve 21 when ejector pin and be arranged on nail bin 11 when interior, the elasticity of nail bin 11Hook 49 springs into ejector pin and tiltedly carves in 21 groove far away 51, and ejector pin is tiltedly carved to 21 initial position that constrain in nail bin 11. When push rod 20After mobile backward again after moving forward in nail bin frame 12, the elastic hook 49 of nail bin 11 springs into ejector pin and tiltedly carves in 21 nearly groove 50,Constrain in ejector pin and tiltedly carve the gap 36 existing between the distal rod 34 of U-shaped fork 32 of U-lag 33 on 21 and push rod 20, make nailThe distal rod that the elastic hook 35 of the bottom of storehouse frame 12 can spring into ejector pin tiltedly carves U-lag on 21 33 and the U-shaped fork 32 of push rod 20In gap 36 between 34, stop that push rod 20 moves forward in nail bin frame 12.
As shown in Figure 14 to Figure 16, the ejector pin in nail bin groupware 8 is tiltedly carved 21 middle part the projection 52 that is keyhole,There is cover plate 53 on the surface that ejector pin is tiltedly carved the projection 52 of the keyhole at 21 middle part, and ejector pin is tiltedly carved the keyhole at 21 middle partInclined-plane 54 is arranged at the bottom of the surperficial cover plate 53 of projection 52. On cutter 22, there is the hole 55 that is keyhole. When on cutter 22The hole 54 of keyhole cross ejector pin and tiltedly carve the surperficial cover plate of the projection 52 of the keyhole at 21 middle part through strain53 inclined-plane 54 springs into ejector pin tiltedly carve on the projection 52 of keyhole at 21 middle part after, cutter 22 are fixed on ejector pin and tiltedly carveOn 21.
Introduce in detail knownly according to above-mentioned, compare with existing various surgical linear Endo-GIAs, of the present invention outsideThe nail bin groupware of the linear Endo-GIA of section has following technique effect:
In order to ensure safe handling surgical linear Endo-GIA, in nail bin is not arranged on nail bin frame time or work as nail binWhen the not clamped hook of assembly and nail-anvil assembly clamps or when firing lock moves after or work as anastomosis staple and release in nail binBut while not yet more renewing nail bin, the nail bin groupware of surgical linear Endo-GIA should possess the technology effect that stops firing lock actionReally.
The nail bin groupware of existing surgical linear Endo-GIA: as introduced in United States Patent (USP) publicity 20090308909The nail bin groupware of surgical linear Endo-GIA in push rod and cutter make one, extend from push button and slide block alwaysTo nail bin place, be elongated thin slice, in nail bin is not arranged on nail bin frame time or when nail bin groupware and nail-anvil assembly not clampedWhen hook clamps, the spring leaf on nail bin frame makes all-in-one-piece push rod processed and cuts after all-in-one-piece push rod processed and cutter are raisedCutter is stuck on the block of nail bin frame, to stop firing lock action. The percussion of the surgical linear Endo-GIA of this styleThe unsatisfactory place of mechanism is: the cutter that are on elongated laminar push rod need punch process, cannot adopt hardMaterial is manufactured sharp cutter, and, do not possess after firing lock moves or anastomosis staple from releasing in nail bin but stillMore do not renew nail bin time stop firing lock again to move technique effect. As institute in United States Patent (USP) publicity 20080116244Cutter in the nail bin groupware of the surgical linear Endo-GIA of introducing are installed in the cutter cover at nail bin end face place; WhenWhen nail bin is not arranged in nail bin frame or in the time of nail bin groupware and the not clamped hook clamping of nail-anvil assembly, the spring on nail bin frameAfter sheet is raised push rod, push rod is stuck on the block of nail bin frame, to stop firing lock action; When anastomosis staple is in nail binRelease but not yet more renew nail bin time, cutter cover holds up to stop the clamped hook clamping of nail bin groupware and nail-anvil assembly. ThisThe unsatisfactory place of planting the firing lock of the surgical linear Endo-GIA of style is: cutter are installed in nail bin end face placeCutter cover in structure more complicated, and, do not possess prevention firing lock after firing lock moves yet and again moveTechnique effect. Therefore the nail bin groupware of existing surgical linear Endo-GIA also needs to improve.
The far-end of the push rod in the nail bin groupware of surgical linear Endo-GIA of the present invention has U-shaped fork, and ejector pin is tiltedly carvedHave U-lag, the longitudinal length of the U-lag that ejector pin is tiltedly carved is greater than the longitudinal length of the distal rod of the U-shaped fork of push rod, nail bin coverThe flexible projection in side, has the flexible hook in locating hole, bottom that is kidney-shaped on nail bin frame; Thereby when nail bin is arranged in nail bin frameTime, the elastic projection on nail bin cover springs in the locating hole on nail bin frame, the lengthwise position between constraint nail bin and nail bin frame, nailThe ejector pin that the elastic hook of frame bottom, storehouse withstands in nail bin is tiltedly carved, and makes the elastic projection on nail bin cover spring into the kidney-shaped on nail bin frameThe top of locating hole, the bottom of nail bin is separated with nail bin frame, and the elastic hook of nail bin frame bottom blocks the U-shaped fork of push rod, stopsPush rod moves forward in nail bin frame; In the time of nail bin groupware and the clamped hook clamping of nail-anvil assembly, the elastic projection on nail bin coverThe bottom that moves into the kidney-shaped locating hole on nail bin frame, the bottom of nail bin is crushed on nail bin frame, and the ejector pin in nail bin is tiltedly carved nailThe elastic hook of storehouse frame bottom is depressed, and makes push rod can promote ejector pin and tiltedly carves in nail bin frame and move forward; When push rod is at nail binWhile movement backward after moving forward in frame, the longitudinal length of the U-lag of tiltedly carving due to ejector pin is greater than U-shaped fork far away of push rod again, there is gap between the U-lag of tiltedly carving and the distal rod of the U-shaped of push rod fork at ejector pin in the longitudinal length of end bar, makes nail binThe elastic hook of the bottom of frame can spring into by the groove of the bottom of nail bin cover the U-shaped fork of U-lag that ejector pin tiltedly carves and push rodIn gap between distal rod, stop that push rod moves forward in nail bin frame; While reaching in nail bin is not arranged on nail bin frame orIn the time that nail bin groupware and the not clamped hook of nail-anvil assembly clamp or the skill that prevention firing lock moves when firing lock moves afterArt effect, make surgical linear Endo-GIA in operation by more secure when used.
Middle part that ejector pin in the nail bin groupware of surgical linear Endo-GIA of the present invention is tiltedly carved has and is keyholeProjection, the surface of the projection of the keyhole at the middle part of tiltedly carving at ejector pin has the bottom of cover plate, cover plate to have inclined-plane, on cutter, hasBe the hole of keyhole; Cross middle part that ejector pin tiltedly carves thereby reach when the aperture strain of the keyhole on cutterAfter the inclined-plane of the surperficial cover plate of the projection of keyhole springs on the projection of keyhole at the middle part that ejector pin tiltedly carves, cutterBe fixed on the technique effect that ejector pin is tiltedly carved. Because cutter shape is little and simple, make on surgical linear Endo-GIACan use the harder sharper cutter of material manufacture, more laborsaving while use in operation.
So can find out that above-mentioned stated target comprises by illustrating that those shown targets are by effectively aboveReach. Described here is only the typical best form of implementation of the present patent application, can do some change to said structureChange also without prejudice to the spirit and scope of the present invention. The present invention is not limited to the detail stated here, and answersIt is apparent any as stated in the restriction of claim, retaining affiliated field secondary technology personnelImprove or remodeling.
Claims (9)
1. a nail bin groupware for surgical linear Endo-GIA, described surgical linear Endo-GIA is by nail bin groupware, nail anvilAssembly and clamp hook composition;
In described nail bin groupware, there is nail bin, the nail bin frame of described nail bin is installed and is arranged on the firing lock in described nail bin frame,It is linear that nail bin is, and ejector pin piece and anastomosis staple are installed in nail bin, and multiple described anastomosis staples are staggered to two rows in nail binAbove, on nail bin frame, there is briquetting; Described firing lock is tiltedly carved with cutter and is formed by push button, slide block, push rod, ejector pin;
In described nail-anvil assembly, have nail anvil and nail anvil frame, described nail anvil is linear, on the surface of nail anvil, be arranged with nail bin inAnastomosis staple grooving corresponding to anastomosis staple position, multiple described anastomosis staple groovings are staggered to two on the surface of nail anvilMore than row, on nail anvil frame, there are middle part projection and nearside projection;
On described clamp hook, have pivot hole and hook, the pivot hole of described clamp hook and described nail bin frame are pivotally connected;
After nail bin groupware and nail-anvil assembly close up mutually, described clamp hook rotates, hooks described nail anvil frame around nail bin frame pivotOn middle part projection, drive the briquetting on described nail bin frame to be pressed on the nearside projection of described nail anvil frame, make nail bin groupware withThe clamped hook of nail-anvil assembly clamps; When push button promotes slide block while moving forward in nail bin frame, push rod is at nail described in slipper pushIn the frame of storehouse, move forward, push rod promotes described ejector pin again and tiltedly carves with cutter and move forward in nail bin frame, and ejector pin is tiltedly carved and complied withInferior promotion described in each ejector pin piece anastomosis staple is released in nail bin;
It is characterized in that: the far-end of described push rod has U-shaped fork, and described ejector pin has tiltedly been carved U-lag, the U that described ejector pin is tiltedly carvedThe longitudinal length of shape groove is greater than the longitudinal length of the distal rod of the U-shaped fork of described push rod, the flexible hook in bottom of described nail bin frame;In described nail bin is not arranged on nail bin frame time, the elastic hook of described nail bin frame bottom blocks the U-shaped fork of push rod, stops that push rod existsIn nail bin frame, move forward; In nail bin is arranged on nail bin frame time, in the U-lag that the U-shaped fork insertion ejector pin of push rod is tiltedly carved; WhenEjector pin in nail bin is tiltedly carved when the elastic hook of nail bin frame bottom is depressed, and push rod can promote ejector pin and tiltedly carve in nail bin frame forwardMobile; After mobile backward again after push rod moves forward in nail bin frame, the longitudinal length of the U-lag of tiltedly carving due to ejector pin is largeThe longitudinal length of the distal rod of pitching in the U-shaped of push rod, between the U-lag of tiltedly carving at ejector pin and the distal rod of the U-shaped of push rod forkThere is gap, make the elastic hook of the bottom of nail bin frame can spring into the far-end of the U-shaped fork of U-lag that ejector pin tiltedly carves and push rodIn gap between bar, stop that push rod moves forward in nail bin frame.
2. the nail bin groupware of surgical linear Endo-GIA according to claim 1, is characterized in that, the bottom of described nail binNail bin cover is installed, and groove is arranged at the bottom of described nail bin cover; While movement backward again after push rod moves forward in nail bin frame, due toThe longitudinal length of the U-lag that ejector pin is tiltedly carved is greater than the longitudinal length of the distal rod of the U-shaped fork of push rod, the U tiltedly carving at ejector pinBetween the distal rod of the U-shaped fork of shape groove and push rod, there is gap, make the elastic hook of the bottom of nail bin frame can pass through described nailThe groove of the bottom of storehouse cover springs in the gap between the distal rod that U-lag that ejector pin tiltedly carves and the U-shaped of push rod pitch, and stops push rodIn nail bin frame, move forward.
3. the nail bin groupware of surgical linear Endo-GIA according to claim 2, is characterized in that, the side of described nail bin coverThe flexible projection of face, has locating hole on described nail bin frame; In described nail bin is arranged on nail bin frame time, the bullet on described nail bin coverProperty projection spring in the locating hole on described nail bin frame, the lengthwise position between constraint nail bin and nail bin frame.
4. the nail bin groupware of surgical linear Endo-GIA according to claim 3, is characterized in that, on described nail bin frameLocating hole is kidney-shaped; In described nail bin is arranged on described nail bin frame time, the elastic hook of described nail bin frame bottom withstands described nailEjector pin in storehouse is tiltedly carved, and makes elastic projection on described nail bin cover spring into the top of the kidney-shaped locating hole on described nail bin frame,The bottom of nail bin is separated with nail bin frame, and the elastic hook of nail bin frame bottom blocks the U-shaped fork of described push rod, stops that described push rod existsIn nail bin frame, move forward; In the time that described nail bin groupware and described nail-anvil assembly are clamped by described clamp hook, the bullet on nail bin coverProperty projection move into the bottom of the kidney-shaped locating hole on nail bin frame, the bottom of nail bin is crushed on nail bin frame, thus pushing away in nail binNail is tiltedly carved the elastic hook of nail bin frame bottom is depressed, and makes push rod can promote ejector pin and tiltedly carves in nail bin frame and move forward.
5. the nail bin groupware of surgical linear Endo-GIA according to claim 2, is characterized in that, the face of described nail binThe both sides of nearly portion have the distal part of elongated slot, two sides fluted, far-end bottom has hook groove, two of the nearly portion of described nail bin coverThe top of side has the distal part of crimp, two sides to have the far-end of flange, bottom to have hook; When nail bin cover is arranged on the bottom of nail binTime, the crimp at the top of the both sides of the nearly portion of described nail bin cover inserts in the elongated slot of both sides of the facial nearly portion of described nail bin,The flange of the distal part of two sides of described nail bin cover inserts in the groove of distal part of two sides of described nail bin, described nail binThe hook of the far-end of the bottom of cover hooks in the hook groove of far-end of the bottom of described nail bin, nail bin cover is fixed on to the bottom of nail binOn.
6. the nail bin groupware of surgical linear Endo-GIA according to claim 1, is characterized in that, the face of described nail binThe flexible hook in centre of nearly portion, there are nearly groove and groove far away in the top of the nearly portion that described ejector pin is tiltedly carved; Tiltedly carve and be arranged on nail when ejector pinIn storehouse time, the elastic hook of described nail bin springs in the groove far away that described ejector pin tiltedly carves, and ejector pin is tiltedly carved and constrained in initial in nail binPosition; After moving backward after described push rod moves forward in described nail bin frame, the elastic hook of described nail bin springs into institute againState in the nearly groove that ejector pin tiltedly carves, constrain between the distal rod of U-shaped fork of U-lag that described ejector pin tiltedly carves and described push rod and depositGap, make the elastic hook of the bottom of described nail bin frame can spring into the U-shaped fork of U-lag that ejector pin tiltedly carves and push rodIn gap between distal rod, stop that push rod moves forward in nail bin frame.
7. the nail bin groupware of surgical linear Endo-GIA according to claim 1, is characterized in that, described ejector pin is tiltedly carvedThere is projection at middle part, and there is cover plate on the surface of the projection at the middle part of tiltedly carving at described ejector pin, porose on described cutter; When described cuttingThe surperficial cover plate that aperture strain on cutter is crossed the projection at the middle part that ejector pin tiltedly carves springs into the protruding of middle part that ejector pin tiltedly carvesAfter on piece, cutter are fixed on ejector pin and tiltedly carve.
8. the nail bin groupware of surgical linear Endo-GIA according to claim 7, is characterized in that, described ejector pin is tiltedly carvedMiddle part projection be keyhole, there is cover plate on the surface of the projection of the keyhole at the middle part of tiltedly carving at described ejector pin, described in cutHole on cutter is keyhole; When the aperture strain of the keyhole on described cutter is crossed, described ejector pin tiltedly carvesAfter the surperficial cover plate of projection of the keyhole at middle part springs on the projection of keyhole, cutter are fixed on ejector pin and tiltedly carveOn.
9. the nail bin groupware of surgical linear Endo-GIA according to claim 7, is characterized in that, described ejector pin is tiltedly carvedInclined-plane is arranged at the bottom of the surperficial cover plate of the projection at middle part; When the aperture strain on described cutter, to cross described ejector pin obliqueAfter the inclined-plane of the surperficial cover plate of the projection at the middle part of carving springs on the projection at the middle part that ejector pin tiltedly carves, cutter are fixed on and push awayNail is tiltedly carved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002355.5A CN103190938B (en) | 2012-01-05 | 2012-01-05 | The nail bin groupware of surgical linear Endo-GIA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002355.5A CN103190938B (en) | 2012-01-05 | 2012-01-05 | The nail bin groupware of surgical linear Endo-GIA |
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| CN103190938A CN103190938A (en) | 2013-07-10 |
| CN103190938B true CN103190938B (en) | 2016-05-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10874398B2 (en) * | 2018-02-06 | 2020-12-29 | Ethicon Llc | Firing lever assembly for linear surgical stapler |
| CN108720880A (en) * | 2018-06-29 | 2018-11-02 | 杭州圣石科技有限公司 | Disposable applicator |
| CN109998616B (en) * | 2019-04-29 | 2021-03-30 | 上海博洽医疗器械有限公司 | Cutter of endoscope cutting anastomat |
| EP4221601A1 (en) * | 2020-09-30 | 2023-08-09 | Covidien LP | Surgical stapling device with safety member |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101779977A (en) * | 2010-02-25 | 2010-07-21 | 上海创亿医疗器械技术有限公司 | Nail bin for surgical linear cut stapler |
| CN101991453A (en) * | 2010-12-10 | 2011-03-30 | 苏州天臣国际医疗科技有限公司 | Linear type cutting seaming device |
| CN202568355U (en) * | 2012-01-05 | 2012-12-05 | 常州市康迪医用吻合器有限公司 | Nail-bin component of surgical linear cutting anastomat |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8540133B2 (en) * | 2008-09-19 | 2013-09-24 | Ethicon Endo-Surgery, Inc. | Staple cartridge |
| US8365972B2 (en) * | 2009-03-31 | 2013-02-05 | Covidien Lp | Surgical stapling apparatus |
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2012
- 2012-01-05 CN CN201210002355.5A patent/CN103190938B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101779977A (en) * | 2010-02-25 | 2010-07-21 | 上海创亿医疗器械技术有限公司 | Nail bin for surgical linear cut stapler |
| CN101991453A (en) * | 2010-12-10 | 2011-03-30 | 苏州天臣国际医疗科技有限公司 | Linear type cutting seaming device |
| CN202568355U (en) * | 2012-01-05 | 2012-12-05 | 常州市康迪医用吻合器有限公司 | Nail-bin component of surgical linear cutting anastomat |
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