CN101966093B - Cavity mirror surgical incision anastomat with replaceable nail bin - Google Patents
Cavity mirror surgical incision anastomat with replaceable nail bin Download PDFInfo
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- CN101966093B CN101966093B CN2010102936709A CN201010293670A CN101966093B CN 101966093 B CN101966093 B CN 101966093B CN 2010102936709 A CN2010102936709 A CN 2010102936709A CN 201010293670 A CN201010293670 A CN 201010293670A CN 101966093 B CN101966093 B CN 101966093B
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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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
- A61B2017/07214—Stapler heads
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
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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
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
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- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a cavity mirror surgical incision anastomat with a replaceable nail bin. The cavity mirror surgical incision anastomat comprises an anastomat body, an executing head, an extension pipe connecting the anastomat body and the executing head, and an actuating mechanism for controlling the movement of the executing head, wherein the executing head is composed of an executing frame, a slide bar, a nail bin and an anvil, and the nail bin comprises a nail bin shell, a nail pushing block, a nail pushing sliding plate and anastomosis nails. The nail bin shell is internally provided with a nail slot, a nail pushing hole, a sliding plate groove and a push broach groove, wherein the end surface of the anvil is provided with an anastomosis nail forming slot corresponding to the anastomosis nail position in the nail bin and a cutting slot corresponding to the push broach groove inside the nail bin shell, a cutter is installed in the push broach groove of the nail bin shell, and an arc-shaped chute is arranged on the near end of the nail bin shell. When the nail bin is in use, the slide bar moves from the near end of the nail bin to the far end, and the nail pushing sliding plate can push the anastomosis nail out of the nail slot while pushing the nail pushing block to move in the nail pushing hole by means of the inclined surface of the nail pushing sliding plate. The cavity mirror surgical incision anastomat can be used more conveniently and safely, is more convenient to install and detach the nail bin, and reduces the surgery cost.
Description
Technical field
The present invention relates to the chamber mirror surgical cutting anastomat that in the thoracoscope surgical operation, uses, specifically, relate to a kind of chamber mirror surgical cutting anastomat that has replaceable nail bin, belong to medical instruments field.
Background technology
In the mirror surgical operation of chamber; Chamber mirror surgical cutting anastomat is normally used for cutting anastomosis operations such as esophagus in the digestive tract, stomach, duodenum, small intestinal, colon, rectum, vermiform appendix, gallbladder, pancreas and spleen; Also be used to cutting such as lung and trachea anastomosis operation in the respiratory tract; Also be used to cutting such as bladder and uterus anastomosis operation in the genitourinary system, can reduce operating time, improve the operation quality.
The various chambeies mirror surgical cutting anastomat of introducing in the existing chamber relevant state of the mirror surgical cutting anastomat patent 20080308602,20090206124 and 20090206123.When using chamber mirror surgical cutting anastomat; Through internal diameter the puncture needle entering human intracavity of 12mm to 13mm with Executive Head earlier; Control axial rotation of Executive Head and/or joint rotation again so that aim at identical tissue to be cut; Can operate clamping device, promote slide bar, identical tissue holder to be cut is held between the nail anvil and nail bin of Executive Head.Operate firing lock then, promote slide bar again: the two ends of the nail anvil and the nail bin of Executive Head are inserted at the two ends of slide bar respectively, make to reach required grip thickness between nail anvil and the nail bin; Slide bar promotes the ejector pin piece through the ejector pin slide plate, anastomosis staple is released in the nail bin penetrate clamped to be cut identical tissue and direct reach the anastomosis staple grooving on the nail anvil, makes the U-shaped anastomosis staple bend to B shape, reaches the operation purpose that tissue is coincide; The clamped to be cut identical tissue of cutter cutting on the slide bar reaches the operation purpose with the tissue cutting.After accomplishing the identical operation of cutting, the operation clamping device unclamps and cuts the tissue that coincide, so that withdraw from chamber mirror surgical cutting anastomat.The clamping device and the firing lock of chamber mirror surgical cutting anastomat also can adopt other operating mechanism.Operating mechanism can also have indicating mechanism.Various operating mechanisms such as the clamping device of chamber mirror surgical cutting anastomat and firing lock can be the manual chamber mirror surgical cutting anastomats like United States Patent (USP) 20080308602 and 20090206123; Also can be the electronic chamber mirror surgical cutting anastomat like United States Patent (USP) 20090090763 and 20090095790, can also be the fluid-operated chamber mirror surgical cutting anastomat like United States Patent (USP) 20070125826 and 20080029577.
Existing chamber mirror surgical cutting anastomat, its ingredient comprises: the operating mechanism of the extension of anastomat body, Executive Head, the said anastomat body of connection and Executive Head, the action of control Executive Head.Executive Head is formed by carrying out frame, balladeur train, nail bin and nail anvil.On the execution frame, slide bar, nail bin and nail anvil are installed.Nail bin is made up of cartridge housing, ejector pin piece, ejector pin slide plate and anastomosis staple.Nail groove, ejector pin hole and push broach groove are arranged in the cartridge housing.Anastomosis staple is installed in the nail groove.The ejector pin piece is installed in the ejector pin hole.The ejector pin piece can move in the ejector pin hole so that anastomosis staple is released in the nail groove.When the ejector pin slide plate relies on pushed ejector pin piece in the ejector pin hole, to move anastomosis staple is released in the nail groove.Anastomosis staple takes the shape of the letter U, and is made up of two nail lower limbs, a nail beam and two nail points.One end of nail lower limb is connected with the nail beam respectively, the other end is respectively the nail point.Anastomosis staple can adopt stainless steel silk, tantalum wire, titanium silk or other to have the tinsel manufacturing of similar performance.Two nail lower limbs of anastomosis staple are inserted in the nail groove.The nail beam of anastomosis staple is sitting on the top of ejector pin piece.Have on the end face of nail anvil with nail bin in the corresponding anastomosis staple grooving in anastomosis staple position and with nail bin in push broach groove position corresponding cutting groove.The nail groove of cartridge housing and ejector pin hole are arranged in the both sides of push broach groove.The anastomosis staple grooving respective row of nail anvil is listed in the both sides of the cutting groove of nail anvil.The anastomosis staple grooving of nail anvil and the nail groove of nail bin and ejector pin hole can be arranged in two rows, three rows, four rows, five rows, six rows, seven row or eight rows altogether according to surgical operation to cutting identical needs.Cutter are arranged on the slide bar, can in the cutting groove of the push broach groove of nail bin and nail anvil, move.
After the operation that coincide was once cut in the chamber every completion of mirror surgical cutting anastomat, anastomosis staple was pushed out in nail bin, and the nail bin that anastomosis staple is housed that need more renew is so that carry out the identical operation of cutting next time.Like the chamber mirror surgical cutting anastomat of being introduced in the United States Patent (USP) 20090206123, after the completion cutting coincide and operates, change disposable loading units so that reuse.Disposable loading units comprises the Executive Head and the terminal adapter of the new nail bin that anastomosis staple is housed.The dissatisfied place of making us of the chamber mirror surgical cutting anastomat of this style is, in same patient's same once operation, needs to change several disposable loading units, because disposable loading units comprises Executive Head and terminal adapter, so its total cost is quite high.Another of the chamber mirror surgical cutting anastomat of this style makes us dissatisfied place; Described in United States Patent (USP) 20090206123; The terminal adapter of disposable loading units maybe the elongate body of mirror surgical cutting anastomat breaks away from from the chamber unintentionally; Causing chamber mirror surgical cutting anastomat to break down maybe can not operate; Therefore United States Patent (USP) 20090206123 propose again disposable loading units can along the elongate body axle neither conllinear, also uneven direction is installed on the elongate body; Also propose in the terminal adapter of disposable loading units, to increase screw thread or detent mechanism or buckling device, to guarantee that disposable loading units can be connected on the elongate body of chamber mirror surgical cutting anastomat reliably.Because in the mirror surgical operation of chamber; The diameter of the elongate body of chamber mirror surgical cutting anastomat is 12mm to 13mm; Therefore; High, the difficult quality guarantee of the processing of the terminal adapter of the disposable loading units of complicacy like this and the difficulty of assembling, mounting or dismounting are also pretty troublesome repeatedly in the operation, and its total cost is also quite high.Therefore the disposable loading units of chamber mirror surgical cutting anastomat also need improve.
Obviously can find out by above-mentioned; Designed now not chamber mirror surgical cutting anastomat in specie; And the development work of new chamber mirror surgical cutting anastomat is still continuing; So that the chamber mirror surgical cutting anastomat work to using in a large number in the world every year further improves, more convenient during feasible the use, more convenient when installing and removing, surgery cost is lower.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of easy to use, mounting or dismounting nail bin to have the chamber mirror surgical cutting anastomat of replaceable nail bin easily.
The technical scheme that realizes above-mentioned purpose is: a kind of chamber mirror surgical cutting anastomat that has replaceable nail bin; Comprise the extension of anastomat body, Executive Head, connection anastomat body and Executive Head, the operating mechanism of control Executive Head action, Executive Head is formed by carrying out frame, slide bar, nail bin and nail anvil, and nail bin is made up of cartridge housing, ejector pin piece, ejector pin slide plate and anastomosis staple; Nail groove, ejector pin hole, skateboards slot and push broach groove are arranged in the cartridge housing; Anastomosis staple is installed in the nail groove, and the ejector pin piece is installed in the ejector pin hole, and the ejector pin slide plate is installed in the skateboards slot; The nail groove of cartridge housing and ejector pin hole are arranged in the both sides of push broach groove; Have on the end face of nail anvil with nail bin in the corresponding anastomosis staple grooving in anastomosis staple position and with cartridge housing in push broach groove position corresponding cutting groove, in the push broach groove of cartridge housing cutter are installed, there is arc chute the proximal end of cartridge housing; And has arc bump on the cutter; Nail bin before use, the arc bump of cutter is inserted in the arc chute of said cartridge housing, makes the blade of cutter be positioned at the push broach groove of cartridge housing; Nail bin in use; Slide bar moves to far-end from the proximal end of nail bin; At first slide bar promotes cutter, and the arc bump of cutter is released in the arc chute of cartridge housing, and the blade of cutter is stretched out in the push broach groove of cartridge housing; Slide bar promotion cutter move in the push broach groove of cartridge housing then, when the ejector pin slide plate relies on its pushed ejector pin piece in the ejector pin hole, to move anastomosis staple are released in the nail groove.
The arc chute of said cartridge housing proximal end is positioned at the both sides of cartridge housing proximal end, and the arc bump of said cutter is positioned at the both sides of cutter.
Flexible block in the arc chute of said cartridge housing; Flexible block is constrained in the arc chute of cartridge housing the arc bump of cutter.
The far-end of said cutter is fluted, and there is first projection proximal end of said ejector pin slide plate, and first projection that the groove of said cutter embeds said ejector pin slide plate forms local pivotal connection.
The proximal end of said cartridge housing is embedded with inserts, and arc chute is positioned to be inserted.
The far-end of said slide bar has second projection, when slide bar from the far-end of said cartridge housing when move the proximal end, second projection is taken back said cutter the proximal end of cartridge housing.
Flexible baffle plate in the arc chute, said elastic baffle is separated into near-end arc chute and far-end arc chute with arc chute; Said nail bin before use; The arc bump of said cutter is inserted in respectively in the near-end arc chute of inserting; Make the blade of cutter be positioned at the push broach groove of said cartridge housing, in the near-end arc chute that the elastic baffle in the arc chute of inserting is constrained on the arc bump of cutter to insert; Nail bin in use; Said slide bar moves to far-end from the proximal end of nail bin, at first promotes cutter, the elastic baffle generation strain in the squeezing action arc lower chute of the arc bump of cutter; So that the arc bump of cutter is pushed out in the near-end arc chute of inserting; The blade of cutter is stretched out in the push broach groove of cartridge housing, and slide bar promotion cutter move in the push broach groove of cartridge housing then, and the near-end arc chute of inserting is sealed in elastic baffle resilience simultaneously; When slide bar from the far-end of nail bin when move the proximal end; The proximal end of nail bin taken back cutter earlier by slide bar; Elastic baffle generation strain in the squeezing action arc lower chute of the arc bump of cutter then; So that the arc bump of cutter gets in the far-end arc chute insert, make the blade of cutter be positioned at the push broach groove of cartridge housing, the elastic baffle resilience in the arc chute simultaneously constrains in the arc bump of cutter in the far-end arc chute of inserting.
When the arc bump of said cutter was constrained in the far-end arc chute of said cartridge housing, the inclination angle of cutter was less than 45 °.
Flexible grab of the far-end of said cartridge housing and side projection, the far-end of said execution frame has lateral grooves, and detachable buckle structure is formed in the bottom of the elastic fastening hook of said cartridge housing far-end and said execution frame far-end; In the time of on nail bin being installed to the execution frame; The side projection of cartridge housing far-end inserts in the lateral grooves of carrying out the frame far-end; The constraint nail bin is along carrying out moving of frame fore-and-aft direction; Be connected to the bottom of carrying out the frame far-end after the elastic fastening hook strain of cartridge housing far-end, the constraint nail bin is along carrying out moving of frame above-below direction; When nail bin was dismantled from carrying out frame, the side projection of cartridge housing far-end was drawn out of in the lateral grooves of carrying out the frame far-end, breaks away from the bottom of carrying out the frame far-end after the elastic fastening hook strain of cartridge housing far-end, nail bin is broken away from carry out frame.
The bottom of said cartridge housing is equipped with end cover, and the both sides of cover, the said end are connected to respectively on the both sides of cartridge housing.
After adopting technique scheme, the cutter that have projection are installed in the push broach groove of cartridge housing, there is arc chute the proximal end of cartridge housing, and the elastic fastening hook of cartridge housing far-end is formed detachable buckle structure with the bottom of carrying out the frame far-end.In the time of on cartridge housing being installed to the execution frame, be connected to the bottom of carrying out the frame far-end after the elastic fastening hook strain of cartridge housing far-end, the constraint cartridge housing is along carrying out moving of frame above-below direction.When cartridge housing is dismantled from carrying out frame, break away from the bottom of carrying out the frame far-end after the elastic fastening hook strain of cartridge housing far-end, cartridge housing is broken away from carry out frame.Nail bin before use, the projection of cutter is constrained in the arc chute of cartridge housing, and the blade of cutter is positioned at the push broach groove of cartridge housing.Nail bin in use, slide bar promotes cutter, and the blade of cutter is stretched out in the push broach groove of cartridge housing.Nail bin is after use; Slide bar is taken back the projection that makes cutter with cutter and is constrained on again in the arc chute of cartridge housing; And the blade that makes cutter is positioned at the push broach groove of cartridge housing again, and at this moment, the inclination angle of cutter is less than 45 °; Can't under the promotion of slide bar, move to far-end the proximal end from nail bin, can prevent that used nail bin is used again.Thereby can on the Executive Head of same chamber mirror surgical cutting anastomat, only change the nail bin that has cutter; Can use same carry out chamber mirror surgical cutting anastomat repeatedly to cut the chamber mirror surgical operation that coincide; More convenient safe, more convenient when installing and removing nail bin when making use, surgery cost is lower.
Description of drawings
Fig. 1 is the stereoscopic figure of the joint of the chamber mirror surgical cutting anastomat that has replaceable nail bin of the expression embodiment of the invention when opening between nail bin and the nail anvil when not rotating;
Stereoscopic figure when opening between nail bin and the nail anvil when Fig. 2 is the joint rotation of chamber mirror surgical cutting anastomat of presentation graphs 1;
Fig. 3 is that anastomat body, extension, joint and the operating mechanism of the chamber mirror surgical cutting anastomat of presentation graphs 1 is removed the amplification stereoscopic figure that opens the place between nail bin and the nail anvil of back Executive Head;
Fig. 4 is that anastomat body, extension, joint and the operating mechanism of the chamber mirror surgical cutting anastomat of presentation graphs 1 is removed the amplification stereoscopic figure when opening between nail bin and the nail anvil of back Executive Head;
Fig. 5 is that the neck ring of the Executive Head of presentation graphs 4 is removed the amplification stereoscopic figure when opening between back nail bin and the nail anvil;
Fig. 6 is that anastomat body, extension, joint and the operating mechanism of the chamber mirror surgical cutting anastomat of presentation graphs 1 is removed the amplification stereoscopic figure when closed between nail bin and the nail anvil of back Executive Head;
Fig. 7 is that the neck ring of the Executive Head of presentation graphs 6 is removed the amplification stereoscopic figure when closed between back nail bin and the nail anvil;
Fig. 8 is the amplification stereoscopic figure at the back side of Executive Head of the chamber mirror surgical cutting anastomat of presentation graphs 1;
Fig. 9 is the amplification stereoscopic figure after the nail bin of the chamber mirror surgical cutting anastomat of presentation graphs 1 is removed;
Figure 10 is the amplification stereoscopic figure after the end cover of nail bin of the chamber mirror surgical cutting anastomat of presentation graphs 1 is removed;
Figure 11 is the amplification stereoscopic figure of the cartridge housing of expression Figure 10;
Figure 12 is the interior amplification stereoscopic figure of slide bar before promoting cutter, ejector pin piece, ejector pin slide plate and anastomosis staple of the Executive Head of presentation graphs 1;
Figure 13 is the amplification stereoscopic figure of slide bar when promoting cutter, ejector pin piece, ejector pin slide plate and anastomosis staple in the Executive Head of presentation graphs 1;
Figure 14 is the amplification stereoscopic figure of the nail anvil of presentation graphs 1;
Figure 15 is the amplification stereoscopic figure of the execution frame of presentation graphs 1;
Figure 16 is the blade of the cutter in the nail bin of presentation graphs 1 cutter and have the explosive view of the insert block groupware of arc chute when being positioned at the push broach groove of cartridge housing;
Figure 17 is the blade of the cutter in the nail bin of presentation graphs 1 cutter and the explosive view that has the insert block groupware of arc chute when in the push broach groove of cartridge housing, stretching out;
Figure 18 be presentation graphs 1 nail bin before use, cutter and have the amplification stereoscopic figure of insert block groupware of the another kind of arc chute of elastic baffle when the blade of the cutter in the nail bin is positioned at the push broach groove of cartridge housing;
Figure 19 be presentation graphs 1 nail bin in use, the amplification stereoscopic figure of cutter and the insert block groupware of the another kind of arc chute that has elastic baffle when the blade of the cutter in the nail bin stretches out in the push broach groove of cartridge housing;
Figure 20 is that the nail bin of presentation graphs 1 coincide after the operation accomplishing cutting, cutter and have the amplification stereoscopic figure of insert block groupware of the another kind of arc chute of elastic baffle when the blade of the cutter in the nail bin is positioned at the push broach groove of cartridge housing.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
As depicted in figs. 1 and 2, chamber mirror surgical cutting anastomat is made up of Executive Head 2, joint 3, extension 4, anastomat body 5 and operating mechanism 6.Operating mechanism 6 is positioned at anastomat body 5 places, through extension 4 inner chambers control Executive Head 2 actions (do not show with part operation mechanism 6 in the extension 4 at anastomat body 5, can with reference to the United States Patent (USP) of quoting in this description).Executive Head 2, joint 3, extension 4, anastomat body 5 order successively link to each other.To shown in Figure 13, Executive Head 2 is formed by carrying out frame 7, slide bar 8, nail bin 9 and nail anvil 10 like Fig. 4.Carrying out installation slide bar 8, nail bin 9 and nail anvil 10 on the frame 7.Nail bin 9 is made up of cartridge housing 11, ejector pin piece 12, ejector pin slide plate 13 and anastomosis staple 14.Nail groove 15, ejector pin hole 16, skateboards slot 17 and push broach groove 18 are arranged in the cartridge housing 11.Anastomosis staple 14 is installed in the nail groove 15.Ejector pin piece 12 is installed in the ejector pin hole 16.Ejector pin slide plate 13 is installed in the skateboards slot 17.The nail groove 15 and the ejector pin hole 16 of cartridge housing 11 is arranged in the both sides of push broach groove 18 and respectively arranges three rows.Have on the end face of nail anvil 10 with nail bin 9 in the corresponding anastomosis staple grooving 19 in anastomosis staple 14 positions and with the interior push broach groove 18 position corresponding cutting grooves 20 of cartridge housing 11.Three rows are respectively arranged in the both sides of the corresponding cutting groove 20 at nail anvil 10 of the anastomosis staple grooving 19 of nail anvil 10.Nail anvil 10 is used pivotal connection with execution frame 7.
To shown in Figure 13, in the push broach groove 18 of cartridge housing 11 cutter 21 are installed like Fig. 4.When slide bar 8 from the proximal end of cartridge housing 11 when far-end moves, it is mobile the push broach groove 18 of cartridge housing 11 in ejector pin slide plate 13 that slide bar 8 promotes cutter 21.When ejector pin slide plate 13 relies on pushed ejector pin piece 12 in ejector pin hole 16, to move anastomosis staple 14 is released in nail groove 15.
To shown in Figure 17, the proximal end of cartridge housing 11 is embedded with inserts 22 like Fig. 4.Inserting has arc chute 23 in 22.Block 24 is arranged in the arc chute 23.Cutter 21 have arc bump 25, the far-end of cutter 21 fluted 26.There is first projection 27 proximal end of ejector pin slide plate 13.In the skateboards slot 17 of cartridge housing 11 block 28 is arranged.Nail bin 9 before use; In the arc bump 25 of cutter 21 is inserted in 22 the arc chute 23 inserted of cartridge housing 11, when the groove 26 of cutter 21 first projection 27 that embeds ejector pin slide plates 13 forms local pivotal connection; Blocks 24 in the arc chute 23 are constrained in 22 the arc chute 23 inserted of cartridge housing 11 arc bump 25 of cutter 21, and the blocks 28 in the skateboards slot 17 of cartridge housing 11 are constrained in the skateboards slot 17 of cartridge housing 11 ejector pin slide plate 13, thereby cutter 21 and ejector pin slide plate 13 are constrained in the cartridge housing 11; At this moment; The inclination angle of cutter 21 is greater than 45 °, and makes push broach groove 18 nail bins 9 that the blade 29 of cutter 21 is positioned at cartridge housing 11 in use, when slide bar 8 from the proximal end of cartridge housing 11 when far-end moves; Slide bar 8 at first promotes cutter 21; Block 24 in the squeezing action arc lower chute 23 of the arc bump 25 of cutter 21 takes place to break away from constraint after the strains, so that the arc bump 25 of cutter 21 is pushed out in the arc chute 23 of cartridge housing 11, simultaneously; Make first projection 27 pivoted of the groove 26 of cutter 21 around ejector pin slide plate 13; The blade 29 of cutter 21 is stretched out in the push broach groove 18 of cartridge housing 11, and then, slide bar 8 promotes cutter 21 to promote ejector pin slide plate 13; Make ejector pin slide plate 13 that the constraint of the block 28 in the skateboards slot 17 take place to break away from after the strains, move to far-end from the proximal end of cartridge housing 11 with ejector pin slide plate 13 so that slide bar 8 promotes cutter 21.
To shown in Figure 17, the far-end of slide bar 8 has second projection 30 like Figure 10.When slide bar 8 from the far-end of cartridge housing 11 when move the proximal end; The projection 30 of slide bar 8 far-ends is taken back cutter 21 proximal end of cartridge housing 11 earlier; Strains take place in the block in the squeezing action arc lower chute 23 of the arc bump 25 of cutter 21 24 then; So that the arc bump of cutter 21 25 gets into the depths of 22 the arc chute 23 inserted of cartridge housings 11, make the blade 29 of cutter 21 be positioned at the push broach groove 18 of cartridge housing 11.
Like Fig. 3 to Fig. 8, Figure 11 and shown in Figure 15, flexible grab 31 of the far-end of cartridge housing 11 and side projection 32.The far-end of carrying out frame 7 has lateral grooves 33.The elastic fastening hook 31 of cartridge housing 11 far-ends is formed detachable buckle structure with the bottom of carrying out frame 7 far-ends 34.When being installed to, nail bin 9 carries out 7 last times of frame; The side projection 32 of cartridge housing 11 far-ends inserts in the lateral grooves 33 of carrying out frame 7 far-ends; Constraint nail bin 9 is along carrying out moving of frame 7 fore-and-aft directions; Simultaneously, be connected to the bottom 34 of carrying out frame 7 far-ends after elastic fastening hook 31 strains of cartridge housing 11 far-ends, constraint nail bin 9 is along carrying out moving of frame 7 above-below directions.When nail bin 9 is dismantled from carrying out frame 7; The side projection 32 of cartridge housing 11 far-ends is drawn out of in the lateral grooves 33 of carrying out frame 7 far-ends; Simultaneously, break away from the bottom 34 of carrying out frame 7 far-ends after elastic fastening hook 31 strains of cartridge housing 11 far-ends, nail bin 9 is broken away from carry out frame 7.As shown in Figure 9, the bottom of cartridge housing 11 is equipped with end cover 35.The both sides of end cover 35 are connected to respectively on the both sides of cartridge housing 11.
Extremely shown in Figure 20 like Figure 18; The another kind that the proximal end of the cartridge housing 11 of chamber of the present invention mirror surgical cutting anastomat is embedded with inserts 22; Inserting has arc chute 23 in 22; To insert 22 arc chute 23 of the flexible baffle plate 36 in 22 the arc chute 23 of inserting, elastic baffle 36 is separated into near-end arc chute 23-1 and far-end arc chute 23-2.Nail bin 9 before use; The arc bump 25 of cutter 21 is inserted in 22 the near-end arc chute 23-1 of inserting; Make the blade 29 of cutter 21 be positioned at the push broach groove 18 of cartridge housing 11; The elastic baffles 36 in 22 the arc chute 23 inserted are constrained on the arc bump 25 of cutter 21 to insert in 22 the near-end arc chute 23-1, and at this moment, the inclination angle of cutter 21 is greater than 45 °.Nail bin 9 in use; Slide bar 8 moves to far-end from the proximal end of nail bin 9; At first promote cutter 21; Strains take place in the elastic baffle 36 in the squeezing action arc lower chute 23 of the arc bump 25 of cutter 21, so that the arc bump 25 of cutter 21 is pushed out in 22 the near-end arc chute 23-1 of inserting, the blade 29 of cutter 21 are stretched out in the push broach groove 18 of cartridge housing 11; Promote cutter 21 then and in the push broach groove 18 of cartridge housing 11, move, will insert 22 near-end arc chute 23-1 of elastic baffle 36 resiliences simultaneously seals.After accomplishing the identical operation of cutting; Slide bar 8 moves to the proximal end from the far-end of nail bin 9; Second projection 30 of slide bar 8 far-ends is taken back cutter 21 proximal end of nail bin 9 earlier; Strains take place in the elastic baffle in the squeezing action arc lower chute 23 of the arc bump 25 of cutter 21 36 then; So that the arc bump of cutter 21 25 gets in 22 the far-end arc chute 23-2 of inserting, make the blade 29 of cutter 21 be positioned at the push broach groove 18 of cartridge housing 11, elastic baffle 36 resiliences in the arc chute 23 simultaneously constrain in the arc bump 25 of cutter 21 in 22 the far-end arc chute 23-2 of inserting.In the time of in the arc bump 25 of cutter 21 is constrained on 22 the far-end arc chute 23-2 of inserting, the inclination angle of cutter 21 is less than 45 °.
Do not had anastomosis staple 14 in the used nail bin 9, carried out the identical chamber mirror surgical operation of cutting once more and will cause operative failure, must be replaced with the new nail bin that has cutter and just can reuse.Because when the arc bump 25 of cutter 21 is constrained in 22 the far-end arc chute 23-2 of inserting of cartridge housing 11; The inclination angle of cutter 21 is less than 45 °; Therefore when used nail bin 9 still in 7 last times of execution frame; Carry out the chamber mirror surgical operation that cutting coincide once more like fruit caving mirror surgical cutting anastomat 1; Slide bar 8 is moved to far-end from the proximal end of nail bin 9, and then slide bar 8 promotes cutter 21 arc bump 25 of cutter 21 is pressed on 22 the far-end arc chute 23-2 of inserting of cartridge housing 11, prevents that slide bar 8 from further moving to far-end from the proximal end of nail bin 9; The operative failure that both can prevent used nail bin 9 to be used again and cause can in time remind the user of chamber mirror surgical cutting anastomat should be replaced with new nail bin again.
Compare with existing various chambeies mirror surgical cutting anastomat; The chamber mirror surgical cutting anastomat that has replaceable nail bin of the present invention can only be changed on the Executive Head of same chamber mirror surgical cutting anastomat and have the new anastomosis staple and the nail bin of cutter; Can use same carry out chamber mirror surgical cutting anastomat repeatedly to cut the chamber mirror surgical operation that coincide; More convenient safe, more convenient when installing and removing nail bin when making use, surgery cost is lower.
Described here only is the typical best form of implementation of application of the present invention, can do some to said structure and change also without prejudice to the spirit and scope of the present invention.The present invention does not limit to or is placed restrictions on the detail of being stated in here, is conspicuous any improvement or remodeling and should keep affiliated field secondary technology personnel.
What need supplementary notes is: the term among this paper " near-end " is meant the end of chamber mirror surgical cutting anastomat near the operator, and term " far-end " is meant the end of chamber mirror surgical cutting anastomat away from the operator.
Claims (10)
1. chamber mirror surgical cutting anastomat that has replaceable nail bin; Comprise the extension (4) of anastomat body (5), Executive Head (2), connection anastomat body (5) and Executive Head (2), the operating mechanism (6) of control Executive Head (2) action; Executive Head (2) is formed by carrying out frame (7), slide bar (8), nail bin (9) and nail anvil (10); Nail bin (9) is made up of cartridge housing (11), ejector pin piece (12), ejector pin slide plate (13) and anastomosis staple (14); Nail groove (15), ejector pin hole (16), skateboards slot (17) and push broach groove (18) are arranged in the cartridge housing (11); Anastomosis staple (14) is installed in the said nail groove (15), and said ejector pin piece (12) is installed in the said ejector pin hole (16), and said ejector pin slide plate (13) is installed in the said skateboards slot (17); The nail groove (15) of cartridge housing (11) and ejector pin hole (16) are arranged in the both sides of push broach groove (18); Have on the end face of said nail anvil (10) with nail bin (9) in the corresponding anastomosis staple grooving (19) in anastomosis staple (14) position and with interior push broach groove (18) the position corresponding cutting groove (20) of cartridge housing (11), it is characterized in that: in the push broach groove (18) of cartridge housing (11) cutter (21) are installed, there is arc chute (23) proximal end of cartridge housing (11); And has arc bump (25) on the cutter (21); Said nail bin (9) before use, the arc bump (25) of cutter (21) is inserted in the arc chute (23) of said cartridge housing (11), makes the blade (29) of cutter (21) be positioned at the push broach groove (18) of said cartridge housing (11); Nail bin (9) in use; Said slide bar (8) moves to far-end from the proximal end of nail bin (9); At first slide bar (8) promotes cutter (21); And the arc bump (25) of cutter (21) released in the arc chute (23) of cartridge housing (11); The blade (29) of cutter (21) is stretched out in the push broach groove (18) of cartridge housing (11), and slide bar (8) promotion cutter (21) move in the push broach groove (18) of cartridge housing (11) then, when ejector pin slide plate (13) relies on its pushed ejector pin piece (12) in ejector pin hole (16), to move anastomosis staple (14) are released in nail groove (15).
2. the chamber mirror surgical cutting anastomat that has replaceable nail bin according to claim 1; It is characterized in that: the arc chute (23) of said cartridge housing (11) proximal end is positioned at the both sides of cartridge housing (11) proximal end, and the arc bump (25) of said cutter (21) is positioned at the both sides of cutter (21).
3. the chamber mirror surgical cutting anastomat that has replaceable nail bin according to claim 2 is characterized in that: flexible block (24) in the arc chute (23) of said cartridge housing (11); Flexible block (24) is constrained in the arc chute (23) of cartridge housing (11) arc bump (25) of cutter (21).
4. the chamber mirror surgical cutting anastomat that has replaceable nail bin according to claim 1; It is characterized in that: the far-end of said cutter (21) fluted (26); There is first projection (27) proximal end of said ejector pin slide plate (13), and first projection (27) that the groove (26) of said cutter (21) embeds said ejector pin slide plate (13) forms local pivotal connection.
5. the chamber mirror surgical cutting anastomat that has replaceable nail bin according to claim 1, it is characterized in that: the proximal end of said cartridge housing (11) is embedded with insert (22), and arc chute (23) is positioned at insert (22).
6. according to claim 1 or the 3 or 4 described chamber mirror surgical cutting anastomats that have replaceable nail bin; It is characterized in that: the far-end of said slide bar (8) has second projection (30); When slide bar (8) from the far-end of said cartridge housing (11) when move the proximal end, second projection (30) is taken back said cutter (21) proximal end of cartridge housing (11).
7. the chamber mirror surgical cutting anastomat that has replaceable nail bin according to claim 5; It is characterized in that: (23) flexible baffle plate (36) in the arc chute, said elastic baffle (36) is separated into near-end arc chute (23-1) and far-end arc chute (23-2) with arc chute (23); Said nail bin before use; The arc bump (25) of said cutter (21) is inserted in respectively in the near-end arc chute (23-1) of insert (22); Make the blade (29) of cutter (21) be positioned at the push broach groove (18) of said cartridge housing (11), the elastic baffle (36) in the arc chute (23) of insert (22) is constrained in the near-end arc chute (23-1) of insert (22) arc bump (25) of cutter (21); Nail bin (9) in use; Said slide bar (8) moves to far-end from the proximal end of nail bin (9); At first promote cutter (21); Strain takes place in the elastic baffle (36) in the squeezing action arc lower chute (23) of the arc bump (25) of cutter (21), so that the arc bump (25) of cutter (21) is pushed out in the near-end arc chute (23-1) of insert (22), the blade (29) of cutter (21) is stretched out in the push broach groove (18) of cartridge housing (11); Slide bar (8) promotes cutter (21) and the push broach groove (18) of cartridge housing (11) in, moves then, and will the insert near-end arc chute (23-1) of (22) of while elastic baffle (36) resilience is sealed; When slide bar (8) from the far-end of nail bin (9) when move the proximal end; The proximal end of nail bin (9) taken back cutter (21) earlier by slide bar (8); Strain takes place in the elastic baffle (36) in the squeezing action arc lower chute (23) of the arc bump (25) of cutter (21) then; So that the arc bump (25) of cutter (21) gets in the far-end arc chute of inserting (23-2); Make the blade (29) of cutter (21) be positioned at the push broach groove (18) of cartridge housing (11), elastic baffle (36) resilience in the arc chute (23) simultaneously constrains in the arc bump (25) of cutter (21) in the far-end arc chute (23-2) of insert (22).
8. the chamber mirror surgical cutting anastomat that has replaceable nail bin according to claim 7; It is characterized in that: when the arc bump (25) of said cutter (21) was constrained in the far-end arc chute (23-2) of said cartridge housing (11), the inclination angle of cutter was less than 45 °.
9. the chamber mirror surgical cutting anastomat that has replaceable nail bin according to claim 1; It is characterized in that: the flexible grab of far-end (31) of said cartridge housing (11) and side projection (32); The far-end of said execution frame (7) has lateral grooves (33), and the elastic fastening hook (31) of said cartridge housing (11) far-end is formed detachable buckle structure with the bottom of said execution frame (7) far-end; When being installed to, nail bin (9) carries out frame (7) last time; The side projection (32) of cartridge housing (11) far-end inserts in the lateral grooves (33) of carrying out frame (7) far-end; The constraint nail bin is along carrying out moving of frame (7) fore-and-aft direction; Be connected to the bottom of carrying out frame (7) far-end after elastic fastening hook (31) strain of cartridge housing (11) far-end, the constraint nail bin is along carrying out moving of frame (7) above-below direction; When nail bin (9) is dismantled from carrying out frame (7); The side projection (32) of cartridge housing (11) far-end is drawn out of in the lateral grooves (33) of carrying out frame (7) far-end; Break away from the bottom of carrying out frame (7) far-end after elastic fastening hook (31) strain of cartridge housing (11) far-end, nail bin (8) is broken away from carry out frame (7).
10. the chamber mirror surgical cutting anastomat that has replaceable nail bin according to claim 1 is characterized in that: the bottom of said cartridge housing (11) is equipped with end cover (35), and the both sides of said end cover (35) are connected to respectively on the both sides of cartridge housing (11).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102936709A CN101966093B (en) | 2010-09-28 | 2010-09-28 | Cavity mirror surgical incision anastomat with replaceable nail bin |
| PCT/CN2010/079796 WO2012040984A1 (en) | 2010-09-28 | 2010-12-15 | Endoscopic surgical cutting stapler with replaceable staple cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102936709A CN101966093B (en) | 2010-09-28 | 2010-09-28 | Cavity mirror surgical incision anastomat with replaceable nail bin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101966093A CN101966093A (en) | 2011-02-09 |
| CN101966093B true CN101966093B (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102936709A Active CN101966093B (en) | 2010-09-28 | 2010-09-28 | Cavity mirror surgical incision anastomat with replaceable nail bin |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101966093B (en) |
| WO (1) | WO2012040984A1 (en) |
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Also Published As
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| WO2012040984A1 (en) | 2012-04-05 |
| CN101966093A (en) | 2011-02-09 |
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