CN101912287B - Linear type anastomat - Google Patents

Linear type anastomat Download PDF

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Publication number
CN101912287B
CN101912287B CN 201010253352 CN201010253352A CN101912287B CN 101912287 B CN101912287 B CN 101912287B CN 201010253352 CN201010253352 CN 201010253352 CN 201010253352 A CN201010253352 A CN 201010253352A CN 101912287 B CN101912287 B CN 101912287B
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China
Prior art keywords
nail
handle
lower plate
hole
forward block
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CN101912287A (en
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李东瑞
李翔
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Jiangsu jianruibao Medical Technology Co., Ltd
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李东瑞
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Priority to CN 201010253352 priority Critical patent/CN101912287B/en
Publication of CN101912287A publication Critical patent/CN101912287A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical 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
    • A61B17/07207Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially

Abstract

The invention discloses a linear type anastomat of a medical instrument. The linear type anastomat comprises a lower splint, a nail butting base, an upper handle, a lower handle, a percussion mechanism, an opening-closing mechanism and a cutting knife, wherein the upper handle is fixedly connected with the nail butting base; the lower handle is hinged with the nail butting base; the percussion mechanism is arranged on the lower splint and is matched with the lower splint in a slippage way; the opening-closing mechanism is arranged on the lower handle; the opening-closing mechanism can make the lower splint and the nail butting base mutually separated and closed; the head of the lower splint is provided with a nail bin; a nail pushing slice and a suture nail are arranged in the nail bin; the cutting knife is fixedly connected with the percussion mechanism and is matched with the lower splint in a slippage way; the nail pushing slice is fixedly connected with the percussion mechanism and is matched with the lower splint in a slippage way; the nail pushing slice can push out the suture nail in the nail bin; the percussion mechanism comprises a propelling block, a propelling handle, a propelling rod and a safety device; the lower splint is provided with two protruding shoulders; and a sliding groove is arranged between the two protruding shoulders. The linear type anastomat saves labor in the process of percussion, prevents the propelling handle from moving leftwards and rightwards and ensures smooth operations.

Description

Linear anastomat
Technical field
The present invention relates to a kind of anastomat of medical apparatus and instruments, particularly a kind of linear anastomat.
Background technology
Linear anastomat is a kind of medical apparatus and instruments that is widely used in reconstruction of digestive tract and the internal organs resection operation, it is easy to use, good operation effect, obtaining the consistent of vast surgeon approves, but in use there are some problems in linear anastomat now, in operating grip percussion process, promote to advance handle to move forward, apply very big thrust,, influence normally carrying out of operation so often make the propelling handle produce move left and right, and forward block is in the sliding tray of lower plate in the moving process, frictional force is big, thereby makes when the action advances handle is pulled the trigger, very effort.
Summary of the invention
The object of the present invention is to provide a kind of process of pulling the trigger laborsaving and prevent to advance the handle move left and right to guarantee the linear anastomat that operation is carried out smoothly.
In order to achieve the above object, the technical solution used in the present invention is: a kind of linear anastomat, comprise lower plate, nail supporting base, upper handle, lower handle, firing lock, switching mechanism and cutter, upper handle is fixedlyed connected with nail supporting base, lower handle and nail supporting base are hinged, firing lock is contained on the lower plate, and cooperate with the lower plate slippage, switching mechanism is contained on the lower handle, switching mechanism can make and be separated from each other between lower plate and the nail supporting base and closure, the head of lower plate has nail bin, have pushing slice of nail and suturing nail in the nail bin, cutter are fixedlyed connected with firing lock, and cooperate with the lower plate slippage, pushing slice of nail is fixedlyed connected with firing lock, and cooperate with the lower plate slippage, and pushing slice of nail can be released the suturing nail in the nail bin, firing lock comprises forward block, advance handle, pushing ram and safety, lower plate has two convex shoulders, be sliding tray between two convex shoulders, the sliding tray of forward block and lower plate is slidingly matched, and has handle hole on the forward block, advance handle to be contained on the handle hole, one end of pushing ram is fixedlyed connected with forward block, the other end and cutter and the load of percussion push jack, all have pilot hole on two convex shoulders of described lower plate, all have the contacted spacing preiection of hole wall on the pilot hole with lower plate on the left and right sides face on forward block top, the left and right sides face of forward block bottom and the connecting portion of bottom surface all have slide protrusion, and slide protrusion contacts with the bottom of the sliding tray of lower plate; Have some the first vertical stopper slots on one side of propelling handle, advance on the handle lower surface adjacent and have second stopper slot and many horizontal slots that communicate with second stopper slot longitudinally with this side, has the accommodation hole that intersects and communicate with forward block left-hand seat delthyrium on the forward block, projectile is housed in the accommodation hole, one end of projectile has the propelling hole, the other end is against in the first vertical stopper slot that advances handle, advance in the hole and have spring, one end of spring is tight against the bottom surface that advances the hole, the other end is tight against the pressing plate of fixedlying connected with forward block, the upper surface of forward block has the through hole that intersects and communicate with accommodation hole, the insurance briquetting is housed to loose fit in the through hole, stretch out outside the through hole of forward block at the top of insurance briquetting, and can be tight against with nail supporting base, the bottom of insurance briquetting and projectile are the inclined-plane and are slidingly matched, has the projection that can be slidingly matched on the lower plate with second stopper slot longitudinally of propelling handle, when advancing handle to promote, this projection can be slidingly matched with advancing the horizontal slot of handle, and breaks away from horizontal slot.
The both sides, middle part of described projectile all have the inclined-plane, the other end of projectile is for supporting piece, the bottom of insurance briquetting is stuck on piece with having assembling slot and the loose fit of assembling slot, the bottom of two pressing plates that are positioned at assembling slot both sides of insurance briquetting all has two inclined-planes, these two inclined-planes are slidingly matched with the inclined-plane of projectile both sides respectively, and the end of supporting piece is against in the first vertical stopper slot that advances handle.
Described lower plate comprises nail bin, several pushing slice of nail, suturing nail and cover plate, several pushing slice of nail are positioned at nail bin, the cover plate lid is put on nail bin, suturing nail is contained on the pushing slice of nail, have several ejector pin film perforations on the nail bin, the pushing slice of nail end can be stretched out outside the ejector pin film perforation of nail bin, pushing slice of nail has first spigot surface, second spigot surface, first contact surface and second contact surface, first contact surface and second contact surface are outer convex globoidal, the first spigot surface two ends all are connected with second contact surface with first contact surface respectively by the first indent arc joint face, the second spigot surface two ends all are connected with second contact surface with first contact surface respectively by the second indent arc joint face, and first contact surface and second contact surface all contact with the inwall of the ejector pin film perforation of nail bin.
Have the cutter groove on the described nail bin, cutter and cutter groove are slidingly matched.
Have pin on the described nail supporting base, have arcuate groove on the lower handle, arcuate groove is hinged on the pin, and pin is contained in the holddown groove of lower plate simultaneously.
Described switching mechanism comprises button, back-moving spring and hinge bar, be contained in to button activity in the button hole on the lower handle, and offset with an end of back-moving spring, one end of the other end of back-moving spring and hinge bar offsets, the other end and the lower plate of hinge bar are hinged, have trip on the lower plate, trip is stuck on the block tongue of button.
Slide protrusion on the described forward block is a convex.
Be provided with in the described nail supporting base and protect cutter spare, cutter before propelling with protect cutter spare and offset.
After adopting said structure, owing to all have the contacted spacing preiection of hole wall on the pilot hole with lower plate on the left and right sides face on forward block top, therefore spacing preiection can better limit forward block and swings up and down, and the connecting portion of the left and right sides face of forward block bottom and bottom surface all has slide protrusion, the friction fit area of forward block and lower plate reduces, more laborsaving when feasible operation is contained in the propelling handle that promotes on the forward block, thus pull the trigger laborsaving; Again because before the anastomat percussion, nail supporting base compressing insurance briquetting, make the insurance briquetting oppress projectile, the piece that supports of projectile breaks away from first stopper slot that advances handle, advances handle move left and right to arrive the relevant position, at this moment, the projection of lower plate moves in second stopper slot, because the effect of the projection of lower plate advances handle not move forward, must move to projection can in the horizontal slot that advances handle, break away from the time, advance handle just can move forward; In the percussion process, the projection of lower plate breaks away from from the horizontal slot that advances handle, nail supporting base is not oppressed the insurance briquetting, thereby projectile moves forward, make the piece that supports of projectile be tight against in first stopper slot that advances handle, limited and advanced the move left and right of handle, thereby guaranteed carrying out smoothly of operation.
Description of drawings
The embodiment that provides below in conjunction with accompanying drawing does explanation in further detail to the present invention.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the opening figure of Fig. 1;
Fig. 3 is the preceding full sectional view of percussion of Fig. 1;
Fig. 4 is the full sectional view after the percussion of Fig. 1;
Fig. 5 is lower plate and a firing lock assembled view among Fig. 1;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the structural representation of forward block among Fig. 1;
Fig. 8 is the right view of Fig. 7;
Fig. 9 is the assembling sketch map of lower plate among Fig. 1, nail supporting base and percussion lock;
Figure 10 is the vertical view of Fig. 9;
Figure 11 is the A-A cutaway view of Figure 10;
Figure 12 is the I portion enlarged drawing of Figure 11;
Figure 13 is a projectile and the assembled view of insuring briquetting among Figure 12;
Figure 14 is the right view of Figure 13;
Figure 15 is the axonometric chart that advances handle among Fig. 1;
Figure 16 is the structural representation of nail bin among Fig. 1;
Figure 17 is the vertical view of Figure 16;
Figure 18 is the H portion enlarged drawing of Figure 17.
The specific embodiment
Shown in Fig. 1~18, a kind of linear anastomat, comprise lower plate 1, nail supporting base 2, upper handle 3, lower handle 4, firing lock 5, switching mechanism 6 and cutter 7, upper handle 3 is fixedlyed connected with nail supporting base 2, lower handle 4 is hinged with nail supporting base 2, firing lock 5 is contained on the lower plate 1, and cooperate with lower plate 1 slippage, switching mechanism 6 is contained on the lower handle 4, switching mechanism 6 can make and be separated from each other between lower plate 1 and the nail supporting base 2 and closure, the head of lower plate 1 has nail bin 1-1, have pushing slice of nail 14 and suturing nail 9 in the nail bin 1-1, cutter 7 are fixedlyed connected with firing lock 5, and cooperate with lower plate 1 slippage, pushing slice of nail 14 is fixedlyed connected with firing lock 5, and cooperate with lower plate 1 slippage, and pushing slice of nail 14 can be released the suturing nail 9 in the nail bin 1-1, firing lock 5 comprises forward block 5-1, advance handle 5-2, pushing ram 5-3 and safety 5-4, lower plate 1 has two convex shoulder 1-2, be sliding tray 1-3 between two convex shoulder 1-2, the sliding tray 1-3 of forward block 5-1 and lower plate 1 is slidingly matched, and has handle hole 5-1-1 on the forward block 5-1, advance handle 5-2 to be contained on the handle hole 5-1-1, the end of pushing ram 5-3 is fixedlyed connected with forward block 5-1, the other end and cutter 7 and 8 loads of percussion push jack, all have pilot hole 1-2-1 on two convex shoulder 1-2 of described lower plate 1, all has the last contacted spacing preiection 5-1-2 of hole wall on the left and right sides face on forward block 5-1 top with the pilot hole 1-2-1 of lower plate 1, the left and right sides face of forward block 5-1 bottom and the connecting portion of bottom surface 5-1-3 all have slide protrusion 5-1-4, and slide protrusion 5-1-4 contacts with the bottom of the sliding tray 1-3 of lower plate 1; Have some the first vertical stopper slot 5-2-2 on the side 5-2-1 of propelling handle 5-2, advance on the handle 5-2 lower surface 5-2-3 adjacent and have the second stopper slot 5-2-4 and many horizontal slot 5-2-5 that communicate with the second stopper slot 5-2-4 longitudinally with this side 5-2-1, has the accommodation hole 5-2-6 that intersects and communicate with forward block 5-1 left-hand seat delthyrium 5-1-1 on the forward block 5-1, projectile 10 is housed in the accommodation hole 5-2-6, one end of projectile 10 has the hole 10-1 of propelling, the other end is against in the first vertical stopper slot 5-2-2 that advances handle 5-2, advance in the 10-1 of hole and have spring 11, one end of spring 11 is tight against the bottom surface that advances hole 10-1, the other end is tight against the pressing plate 12 of fixedlying connected with forward block 5-1, the upper surface of forward block 5-1 has the through hole 5-1-5 that intersects and communicate with accommodation hole 5-2-6, insurance briquetting 13 is housed to loose fit among the through hole 5-1-5, stretch out outside the through hole 5-1-5 of forward block 5-1 at the top of insurance briquetting 13, and can be tight against with nail supporting base 2, the bottom of insurance briquetting 13 and projectile 10 are the inclined-plane and are slidingly matched, has the protruding 1-4 that can be slidingly matched on the lower plate 1 with the second stopper slot 5-2-4 longitudinally of propelling handle 5-2, when advancing handle 5-2 to promote, this projection 1-4 can be slidingly matched with advancing the horizontal slot 5-2-5 of handle 5-2, and breaks away from horizontal slot 5-2-5.
As Figure 11,12,13, shown in 14, for insurance briquetting 13 and projectile 10 inclined-planes are cooperated, the both sides, middle part of described projectile 10 all have inclined-plane 10-3, the other end of projectile 10 is for supporting piece 10-2, the bottom of insurance briquetting 13 is stuck on piece 10-2 with having assembling slot 13-1 and assembling slot 13-1 loose fit, the bottom of two pressing plate 1-6-3 that are positioned at assembling slot 13-1 both sides of insurance briquetting 13 all has two inclined-plane 13-2, these two inclined-plane 13-2 are slidingly matched with the inclined-plane 10-3 of projectile 10 both sides respectively, and the end of supporting piece 10-2 is against in the first vertical stopper slot 5-2-2 that advances handle 5-2.
As Figure 17, shown in 18, in order better to make pushing slice of nail 14 reduce friction when push jack 8 is released by pulling the trigger, feasible percussion is more laborsaving, described lower plate 1 comprises nail bin 1-1, several pushing slice of nail 14, suturing nail 9 and cover plate 15, several pushing slice of nail 14 are positioned at nail bin 1-1, cover plate 15 lids are put on nail bin 1-1, suturing nail 9 is contained on the pushing slice of nail 14, has several ejector pin film perforations 1-1-1 on the nail bin 1-1, pushing slice of nail 14 ends can be stretched out outside the ejector pin film perforation 1-1-1 of nail bin 1-1, pushing slice of nail 14 has the first spigot surface 14-1, the second spigot surface 14-2, the first contact surface 14-3 and the second contact surface 14-4, the first contact surface 14-3 and the second contact surface 14-4 are outer convex globoidal, the first spigot surface 14-1 two ends all are connected with the second contact surface 14-4 with the first contact surface 14-3 respectively by the first indent arc joint face 14-5, the second spigot surface 14-1 two ends all are connected with the second contact surface 14-4 with the first contact surface 14-3 respectively by the first indent arc joint face 14-5 ', and the first contact surface 14-3 and the second contact surface 14-4 all contact with the inwall of the ejector pin film perforation 1-1-1 of nail bin 1-1.
As shown in figure 17, be slidingly matched in order to make cutter 7 and nail bin 1-1, have cutter groove 1-1-2 on the described nail bin 1-1, cutter 7 are slidingly matched with cutter groove 1-1-2.
As shown in Figure 1, 2, 3, in order to make nail supporting base 2 and lower plate 1 hinged, have pin 2-4 on the described nail supporting base 2, have arcuate groove 4-1 on the lower handle 4, arcuate groove 4-1 is hinged on the pin 2-4, and pin 2-4 is contained in the holddown groove 1-5 of lower plate 1 simultaneously.
Shown in Fig. 3,4, in order to open closed the present invention, described switching mechanism 6 comprises button 6-1, back-moving spring 6-2 and hinge bar 6-3, button 6-1 is contained in the button hole on the lower handle 4 versatilely, and offset with the end of back-moving spring 6-2, the end of the other end of back-moving spring 6-2 and hinge bar 6-3 offsets, and the other end of hinge bar 6-3 and lower plate 1 are hinged, have trip 1-6 on the lower plate 1, trip 1-6 is stuck on the block tongue 6-1-1 of button 6-1.
Shown in Fig. 6,7,8, in order to make forward block 5-1 better in the sliding tray 1-3 of lower plate 1, reduce contact area, rub thereby reduce, the slide protrusion 5-1-4 on the described forward block 5-1 is a convex.
Shown in Fig. 7,8, in order to protect cutter 7, be provided with in the described nail supporting base 2 and protect cutter spare 16, cutter 7 before propelling with protect cutter spare 16 and offset.
When the present invention uses, as shown in Figure 2, at first press the button 6-1 of switching mechanism 6, make the trip 1-6 of lower plate and the block tongue 6-1-1 of button 6-1 throw off, open lower plate 1 and nail supporting base 2 then, the head of lower plate 1 and nail supporting base 2 stretched into needs operative site, clamping jaws 1 and nail supporting base 2 as shown in Figure 1 then, promote the propelling handle 5-2 of firing lock 5 then, advancing handle 5-2 to drive forward block 5-1 slides in the sliding tray 1-3 of lower plate 1, forward block 5-1 promotes pushing ram 5-3 and moves, and pushing ram 5-3 promotes cutter 7 and percussion push jack 8 moves, and cutter 7 slide along the cutter groove 1-1-2 of nail bin 1-1, percussion push jack 8 moves in nail bin 1-1, and release the interior pushing slice of nail 14 of nail bin 1-1, pushing slice of nail 14 is released the suturing nail 9 that is contained on the pushing slice of nail 8, therefore cuts and sews up and carry out synchronously, after operation finishes, press the button 6-1 of switching mechanism 6, open lower plate 1 and nail supporting base 2, get final product from the operative site release.

Claims (8)

1. linear anastomat, comprise lower plate (1), nail supporting base (2), upper handle (3), lower handle (4), firing lock (5), switching mechanism (6) and cutter (7), upper handle (3) is fixedlyed connected with nail supporting base (2), lower handle (4) is hinged with nail supporting base (2), firing lock (5) is contained on the lower plate (1), and cooperate with lower plate (1) slippage, switching mechanism (6) is contained on the lower handle (4), switching mechanism (6) can make and be separated from each other between lower plate (1) and the nail supporting base (2) and closure, the head of lower plate (1) has nail bin (1-1), have pushing slice of nail (14) and suturing nail (9) in the nail bin (1-1), cutter (7) are fixedlyed connected with firing lock (5), and cooperate with lower plate (1) slippage, pushing slice of nail (14) is fixedlyed connected with firing lock (5), and cooperate with lower plate (1) slippage, and pushing slice of nail (14) can release the suturing nail (9) in the nail bin (1-1), it is characterized in that:
Described firing lock (5) comprises forward block (5-1), advance handle (5-2), pushing ram (5-3) and safety (5-4), lower plate (1) has two convex shoulders (1-2), between two convex shoulders (1-2) sliding tray (1-3), forward block (5-1) is slidingly matched with the sliding tray (1-3) of lower plate (1), and has handle hole (5-1-1) on the forward block (5-1), advance handle (5-2) to be contained on the handle hole (5-1-1), one end of pushing ram (5-3) is fixedlyed connected with forward block (5-1), the other end and cutter (7) and the load of percussion push jack (8), all have pilot hole (1-2-1) on two convex shoulders (1-2) of described lower plate (1), all have on the left and right sides face on forward block (5-1) top with the pilot hole (1-2-1) of lower plate (1) and go up the contacted spacing preiection of hole wall (5-1-2), the left and right sides face of forward block (5-1) bottom and the connecting portion of bottom surface (5-1-3) all have slide protrusion (5-1-4), and slide protrusion (5-1-4) contacts with the bottom of the sliding tray (1-3) of lower plate (1);
Have some vertical first stopper slots (5-2-2) on one side (5-2-1) of described propelling handle (5-2), advance on handle (5-2) lower surface (5-2-3) adjacent and have second stopper slot (5-2-4) and many horizontal slots (5-2-5) that communicate with second stopper slot (5-2-4) longitudinally with this side (5-2-1), has the accommodation hole (5-2-6) that intersects and communicate with forward block (5-1) left-hand seat delthyrium (5-1-1) on the forward block (5-1), projectile (10) is housed in the accommodation hole (5-2-6), one end of projectile (10) has propelling hole (10-1), the other end is against in vertical first stopper slot (5-2-2) that advances handle (5-2), advance in the hole (10-1) and have spring (11), one end of spring (11) is tight against the bottom surface that advances hole (10-1), the other end is tight against the pressing plate (12) of fixedlying connected with forward block (5-1), the upper surface of forward block (5-1) has the through hole (5-1-5) that intersects and communicate with accommodation hole (5-2-6), insurance briquetting (13) is housed to loose fit in the through hole (5-1-5), stretch out outside the through hole (5-1-5) of forward block (5-1) at the top of insurance briquetting (13), and can be tight against with nail supporting base (2), the bottom of insurance briquetting (13) and projectile (10) are the inclined-plane and are slidingly matched, has the 3rd projection (1-4) that can be slidingly matched on the lower plate (1) with second stopper slot longitudinally (5-2-4) of propelling handle (5-2), when advancing handle (5-2) to promote, the 3rd projection (1-4) can be slidingly matched with advancing the horizontal slot (5-2-5) of handle (5-2), and breaks away from horizontal slot (5-2-5).
2. linear anastomat according to claim 1, it is characterized in that: the both sides, middle part of described projectile (10) all have inclined-plane (10-3), the other end of projectile (10) is for supporting piece (10-2), the bottom of insurance briquetting (13) is stuck on piece (10-2) with having assembling slot (13-1) and the loose fit of assembling slot (13-1), the bottom of two pressing plates (1-6-3) that are positioned at assembling slot (13-1) both sides of insurance briquetting (13) all has two inclined-planes (13-2), these two inclined-planes (13-2) are slidingly matched with the inclined-plane (10-3) of projectile (10) both sides respectively, and the end of supporting piece (10-2) is against in vertical first stopper slot (5-2-2) that advances handle (5-2).
3. linear anastomat according to claim 1, it is characterized in that: described lower plate (1) comprises nail bin (1-1), several pushing slice of nail (14), suturing nail (9) and cover plate (15), several pushing slice of nail (14) are positioned at nail bin (1-1), cover plate (15) lid is put on nail bin (1-1), suturing nail (9) is contained on the pushing slice of nail (14), have several ejector pin film perforations (1-1-1) on the nail bin (1-1), pushing slice of nail (14) end can be stretched out outside the ejector pin film perforation (1-1-1) of nail bin (1-1), pushing slice of nail (14) has first spigot surface (14-1), second spigot surface (14-2), first contact surface (14-3) and second contact surface (14-4), first contact surface (14-3) and second contact surface (14-4) are outer convex globoidal, first spigot surface (14-1) two ends all are connected with second contact surface (14-4) with first contact surface (14-3) respectively by the first indent arc joint face (14-5), second spigot surface (14-1) two ends all are connected with second contact surface (14-4) with first contact surface (14-3) respectively by the second indent arc joint face (14-5 '), and first contact surface (14-3) and second contact surface (14-4) all contact with the inwall of the ejector pin film perforation (1-1-1) of nail bin (1-1).
4. linear anastomat according to claim 1 is characterized in that: have cutter groove (1-1-2) on the described nail bin (1-1), cutter (7) are slidingly matched with cutter groove (1-1-2).
5. linear anastomat according to claim 1, it is characterized in that: have pin (2-4) on the described nail supporting base (2), has arcuate groove (4-1) on the lower handle (4), arcuate groove (4-1) is hinged on the pin (2-4), and pin (2-4) is contained in the holddown groove (1-5) of lower plate (1) simultaneously.
6. linear anastomat according to claim 1, it is characterized in that: described switching mechanism (6) comprises button (6-1), back-moving spring (6-2) and hinge bar (6-3), button (6-1) is contained in the button hole on the lower handle (4) versatilely, and offset with an end of back-moving spring (6-2), one end of the other end of back-moving spring (6-2) and hinge bar (6-3) offsets, the other end of hinge bar (6-3) and lower plate (1) are hinged, have trip (1-6) on the lower plate (1), trip (1-6) is stuck on the block tongue (6-1-1) of button (6-1).
7. linear anastomat according to claim 1 is characterized in that: the slide protrusion (5-1-4) on the described forward block (5-1) is a convex.
8. linear anastomat according to claim 1 is characterized in that: be provided with in the described nail supporting base (2) and protect cutter spare (16), cutter (7) before propelling with protect cutter spare (16) and offset.
CN 201010253352 2010-08-13 2010-08-13 Linear type anastomat Active CN101912287B (en)

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Publication number Priority date Publication date Assignee Title
US9289209B2 (en) * 2011-06-09 2016-03-22 Covidien Lp Surgical fastener applying apparatus
CN113532504A (en) * 2020-04-16 2021-10-22 上海极义网络科技有限公司 Portable campus environment monitoring device
CN111671499A (en) * 2020-04-30 2020-09-18 武汉致众科技股份有限公司 Forceps type hemorrhoid cutting and suturing device

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US5180092A (en) * 1992-02-05 1993-01-19 Lawrence Crainich Linear surgical stapling instrument
CN2796654Y (en) * 2005-03-21 2006-07-19 强生(上海)医疗器材有限公司 Linear cutting and suturing instrument
US7740159B2 (en) * 2006-08-02 2010-06-22 Ethicon Endo-Surgery, Inc. Pneumatically powered surgical cutting and fastening instrument with a variable control of the actuating rate of firing with mechanical power assist
US7766209B2 (en) * 2008-02-13 2010-08-03 Ethicon Endo-Surgery, Inc. Surgical stapling instrument with improved firing trigger arrangement
CN201216622Y (en) * 2008-05-12 2009-04-08 蔡蜀德 Line cutting stitching instrument
US7954686B2 (en) * 2008-09-19 2011-06-07 Ethicon Endo-Surgery, Inc. Surgical stapler with apparatus for adjusting staple height

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