CN104173088B - A kind of stapler - Google Patents
A kind of stapler Download PDFInfo
- Publication number
- CN104173088B CN104173088B CN201310198481.7A CN201310198481A CN104173088B CN 104173088 B CN104173088 B CN 104173088B CN 201310198481 A CN201310198481 A CN 201310198481A CN 104173088 B CN104173088 B CN 104173088B
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- China
- Prior art keywords
- ejector pin
- nail kit
- pin frame
- stapler
- frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00646—Type of implements
- A61B2017/00663—Type of implements the implement being a suture
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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
Abstract
The present invention relates to technical field of medical instruments, disclose a kind of stapler, to improve the safety factor of stapler, reduce because mistakenly hit issues the misery that surgical patient brings. Stapler includes: nail anvil arm and the nail kit arm equipped with nail kit; Percussion lock, including the ejector pin frame of staple in percussion nail kit, ejector pin frame has the chute offered along the direction of motion and the screens hole intersected with chute; Safety, safety include insurance body and elastic component, insurance body by elastic component can between high-order and low level movement be assemblied in nail kit arm, insurance body have for ejector pin frame traverse pass through groove, insurance body has the screens interferenceed when insuring body and being in a high position with the screens hole of ejector pin frame, and insurance body has the chute being positioned at ejector pin frame when insuring body and being in low level to allow the ejector pin frame cervical region relative to insurance body motion.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of stapler.
Background technology
Stapler is a kind of medical apparatus and instruments being widely used in surgical operation, has two functions of stitching and cutting, while carrying out wound suture, and can by unnecessary cutting tissue. This instrumentation is easy, and good operation effect can greatly reduce the misery brought to surgical patient, therefore, it is thus achieved that the consistent approval of vast surgeon.
As it is shown in figure 1, stapler generally includes handle 50 and the nail anvil arm 11 and nail kit arm 13, nail anvil arm 11 and nail kit arm 13 of submitting jaw mouth shape are being respectively arranged with nail anvil 52 and nail kit 12 towards the side of jaw, handle 50 is provided with percussion push button 51. Its working mechanism is: the tissue of stitching to be cut is placed in nail anvil arm 11 and in jaw that nail kit arm 13 is formed, operation handle 50 makes jaw be held in place by tissue, promote percussion push button 51, percussion push button 51 is made to promote the pushing device (not shown) of connected wedge shape, multiple row staple in nail kit 12 is released through tissue one by one by pushing device in pushing course, and become " B " shape at nail anvil 52 flex under action, to realize tissue apposition; Meanwhile, being positioned at the cutter (not shown) at multiple row staple center line position, also promoted tissue is cut by percussion push button 51 in the lump, staple formation and cutting synchronously complete. Fracture both sides form two row stitching thread of symmetry, it is achieved tissue turns off.
In surgical procedures, it usually needs repeatedly sew up, cutting is organized, and therefore, stapler is when Clinical practice, it is necessary to repeatedly change nail kit, if stapler is driven by mistake, it is most likely that can cause the serious consequence that staple mistakenly hit is sent out.Existing stapler customary risks coefficient is relatively low, often sends out due to mistakenly hit and brings unnecessary misery to surgical patient.
Summary of the invention
It is an object of the invention to provide a kind of stapler, to improve the safety factor of stapler, reduce because mistakenly hit issues the misery that surgical patient brings.
Stapler of the present invention, including:
Nail anvil arm and the nail kit arm equipped with nail kit;
Percussion lock, including the ejector pin frame of the staple fired in described nail kit, described ejector pin frame has the chute offered along the direction of motion and the screens hole intersected with described chute;
Safety, described safety include insurance body and elastic component, described insurance body by described elastic component can between high-order and low level movement be assemblied in described nail kit arm, described insurance body have for described ejector pin frame traverse pass through groove, described insurance body has the screens interferenceed when described insurance body is in a high position with the described screens hole of described ejector pin frame, and described insurance body has the cervical region that the described chute being positioned at described ejector pin frame when described insurance body is in low level moves relative to described insurance body to allow described ejector pin frame.
Preferably, described nail kit arm includes bottom and is positioned at two sidepieces of described two bottom sides, and each described sidepiece offers at least one chute hole along short transverse, and described insurance body has slidable fit at least two slide post in described chute hole respectively;
Described elastic component is the stage clip between the described bottom of described insurance body and described nail kit arm.
More excellent, each described slide post has along installing the installation guiding surface that glide direction is arranged and the dismounting guiding surface arranged along dismounting glide direction.
It is also preferred that the left the quantity of described stage clip is multiple and is uniformly distributed, described insurance body has the hole seat set by stage clip each described.
Preferably, described sickle stiching instrument also includes cutter, and described percussion lock also includes the push broach frame promoting described cutter;
Described nail kit has the cutting groove holding the motion of described cutter, and the cutting top of described cutting groove is provided with bolt, and described bolt can be pushed into release position by described push broach frame from make position and can not automatically reset in release position to make position;
Described insurance body has the high-order support portion abutted against with described bolt in the close position, when described nail kit loads described nail kit arm and described nail kit arm with described nail anvil arm Guan Bi, described insurance body is pressed to low level by described high-order support portion by described bolt; When described bolt is pushed into release position by described push broach frame, described bolt loses with described high-order support portion and abuts.
It is also preferred that the left described bolt includes L-shaped pin body and breechblock, described pin body and described nail kit pivot dress.
It is also preferred that the left described push broach frame has the bayonet socket that the described breechblock matching form with described bolt closes.
Preferably, described insurance body also has vacancy of hiding and hides sky portion in the low level of the described bolt of release position, and described high-order support portion and described low level sky portion of hiding has the spigot surface matched with the described ejector pin frame direction of motion.
It is also preferred that the left described cutter have the first snap fit of recess shape, described push broach frame has the second snap fit connect with described first snap fit kissing.
Optionally, described percussion lock also includes percussion push button, locks the locking card column of described percussion push button and be connected described push broach frame and the percussion block of described ejector pin frame, and described percussion push button, described locking card column and described percussion block are Tong Bu with described push broach frame and described ejector pin frame to be driven.
In technical solution of the present invention, when insuring body and being in a high position, the screens of insurance body is interferenceed with the screens hole of ejector pin frame, and now percussion lock cannot be advanced by percussion;And when insuring body and being in low level, the screens hole of ejector pin frame is avoided in the screens of insurance body, the cervical region of insurance body is positioned at the chute of ejector pin frame, and with ejector pin frame without interference, now percussion lock can be advanced by percussion. Therefore, it can the position of the insurance body by controlling safety and control the lock-out state of percussion lock, substantially increase the safety factor of stapler, decrease because mistakenly hit issues the misery that surgical patient brings.
Accompanying drawing explanation
Fig. 1 is the front view of existing stapler;
Fig. 2 is the front view (broken section) of embodiment of the present invention stapler;
Fig. 3 is the perspective view of safety;
Fig. 4 is the perspective view of insurance body;
Fig. 5 is the perspective view of nail kit arm;
Fig. 6 is ejector pin frame and safety assemble schematic diagram (be in can not cock);
Fig. 7 is the A place close-up schematic view of Fig. 5;
Fig. 8 is ejector pin frame and safety assemble schematic diagram (be in can cock);
Fig. 9 is the B place close-up schematic view of Fig. 7;
Figure 10 is the partial sectional view that nail kit loads front guard frame place;
Figure 11 is that nail kit loads the partial sectional view at bolt place when nail kit arm but nail anvil arm do not close with nail kit arm;
Figure 12 is that bolt is not open view;
Figure 13 is that bolt is open view.
Accompanying drawing labelling:
11-nail anvil arm 12-nail kit 13-nail kit arm
15-cutter 16-push broach frame 17-ejector pin frame
18-chute 19-screens hole 20-insures body
21-elastic component 22-passes through groove 23-screens
24-cervical region 27-chute hole 28-slide post
29-installs guiding surface 30-and dismantles guiding surface 31-hole seat
32-cutting groove 33-bolt 34-high position support portion
35-low level is hided sky portion 36-pin body 37-breechblock
38-bayonet socket 39-the first snap fit 40-the second snap fit
50-handle 51-fires push button 52 nail anvil
Detailed description of the invention
In order to improve the safety factor of stapler, reduce because mistakenly hit issues the misery that surgical patient brings, embodiments provide a kind of stapler. In technical solution of the present invention, ejector pin frame has the chute offered along the direction of motion and the screens hole intersected with chute, the insurance body of safety by elastic component can between high-order and low level movement be assemblied in nail kit arm, there is the screens interferenceed with the screens hole of ejector pin frame when insuring body and being in a high position and be positioned at the cervical region of chute of ejector pin frame when insurance body is in low level. The lock-out state of percussion lock can be controlled by controlling the position of the insurance body of safety, substantially increase the safety factor of stapler, decrease because mistakenly hit issues the misery that surgical patient brings. For making the object, technical solutions and advantages of the present invention clearly, by the following examples the present invention is described in further detail.
As shown in Fig. 2, Fig. 6 and Fig. 8, wherein, Fig. 2 is the front view (broken section) of embodiment of the present invention stapler; Fig. 6 is ejector pin frame and safety assemble schematic diagram (be in can not cock); Fig. 8 is ejector pin frame and safety assemble schematic diagram (be in can cock).
The stapler of the embodiment of the present invention, including:
Nail anvil arm 11 and the nail kit arm 13 equipped with nail kit 12, nail anvil arm 11 and nail kit arm 13 form jaw to clamp the tissue of stitching to be cut;
Percussion lock, including the ejector pin frame 17 of staple in percussion nail kit, ejector pin frame 17 has the chute 18 offered along the direction of motion and the screens hole 19 intersected with chute 18;
Safety, including insurance body 20 and elastic component 21, insurance body 20 by elastic component 21 can between high-order and low level movement be assemblied in nail kit arm 13, insurance body 20 have for ejector pin frame 17 traverse by groove 22, also there is the screens 23 interferenceed with the screens hole 19 of ejector pin frame 17 when insuring body 20 and being in a high position, also have and be positioned at, when insuring body 20 and being in low level, the cervical region 24 that the chute 18 of ejector pin frame 17 moves relative to described insurance body 20 to allow described ejector pin frame 17, chute 18 can slide to allow ejector pin frame 17 to move relative to insurance body 20 along cervical region 24 in this case.
Stapler normally also includes nail anvil arm 11 and nail kit arm 13 and cuts the cutter 15 of tissue when closing, and usual cutter 15 are arranged between nail kit 12 adjacent two row's staples along its length, and can move along the length direction of nail kit 12. Percussion lock also includes the push broach frame 16 promoting cutter 15. Push broach frame 16 can synchronize be driven with ejector pin frame 17, it is also possible to is driven respectively, and usual push broach frame 16 is synchronize with ejector pin frame 17 to be driven, to realize being synchronously performed of cutting and stitching.
During use, the jaw clamping tissue that nail anvil arm 11 and nail kit arm 13 are formed, after jaw Guan Bi puts in place, drive ejector pin frame 17 and push broach frame 16, ejector pin frame 17 fires the staple in nail kit 12, staple is released from nail kit 12 so that it is traverse tissue the effect compacted under at nail anvil are B shape, to realize sewing up, push broach frame 16 promotes cutter 15 to realize tissue cutting.
In each embodiment of the present invention, nail anvil arm 11 and nail kit arm 13 are two tong arms of submission jaw mouth shape, and stapler can be respectively at five states: one, nail kit does not load nail kit arm; Two, nail kit loads nail kit arm, but nail anvil arm does not close (that is, the jaw that nail anvil arm and nail kit arm are formed is in open mode) with nail kit arm; Three, nail kit loads nail kit arm, and nail anvil arm closes (that is, jaw is in closure state) with nail kit arm; Four, percussion lock resets after firing; Five, the nail kit fired loads nail kit arm, and nail anvil arm closes (being equivalent to the 4th kind of state) with nail kit arm.
The concrete shape in the screens hole 19 intersected with chute 18 on ejector pin frame 17 is not limit, for instance, it is possible to for polygon, square etc., as long as itself and chute 18 intersect, namely it is sized larger than chute 18 along ejector pin frame 17 width. When the insurance body 20 of safety is in a high position, the screens 23 of insurance body 20 is interferenceed with the screens hole 19 of ejector pin frame 17, as it is shown in fig. 7, now, the screens 23 of insurance body 20 is positioned at the screens hole 19 of ejector pin frame 17. Cervical region 24 shape of insurance body 20 is not limit, as long as being smaller in size than chute 18 along ejector pin frame 17 width, when insuring body 20 and being in low level, the screens 23 of insurance body 20 is avoided and the interference in ejector pin frame screens hole 19, as it is shown in figure 9, ejector pin frame 17 may move through the cervical region 24 of insurance body 20. Preferably, insure the cervical region 24 of body 20 and chute 18 matched in clearance of ejector pin frame 17, so can provide guiding for the motion of ejector pin frame 17 so that it is the direction of motion is more accurate.
In technical solution of the present invention, when insuring body 20 and being in a high position, the screens 23 of insurance body 20 is interferenceed with the screens hole 19 of ejector pin frame 17, and now ejector pin frame 17 cannot be advanced by percussion; And when insuring body 20 and being in low level, the screens hole 19 of ejector pin frame 17 is avoided in the screens 23 of insurance body 20, the cervical region 24 of insurance body 20 is positioned at the chute 18 of ejector pin frame 17, and with ejector pin frame 17 without interference, now ejector pin frame 17 can be advanced by percussion.
In certain embodiments, percussion lock include interrelated and by synchronously driven ejector pin frame and push broach frame, stop ejector pin frame also to prevent push broach frame and cutter to be sent out by mistakenly hit while being sent out by mistakenly hit.
Therefore, it can the position of the insurance body 20 by controlling safety and control the lock-out state of percussion lock, substantially increase the safety factor of stapler, decrease because mistakenly hit issues the misery that surgical patient brings.
Safety can be designed as various version, as shown in Figure 3 and Figure 5, in the preferred embodiment, nail kit arm 13 includes bottom and is positioned at two sidepieces of two bottom sides, each sidepiece offers at least one chute hole 27 along short transverse, and insurance body 20 has slidable fit at least two slide post 28 in chute hole 27 respectively; Elastic component 21 is the stage clip between insurance body 20 and the bottom of nail kit arm 13. By the compression of stage clip and reset and nail kit arm 13 sidepiece chute hole 27, slide post 28 spacing realized insurance body 20 and in the assembling of movement between high-order and low level, can have version simple, process, advantage easy to assembly. The quantity of chute hole 27 and slide post 28 can change according to specific design, and being symmetrical arranged of both sides can the stability run of maintaining body.
Additionally, as shown in Figure 4, for ease of dismounting, each slide post 28 has along installing the installation guiding surface 29 that glide direction is arranged and the dismounting guiding surface 30 arranged along dismounting glide direction. Easily by safety dismounting, and nail kit arm 13 can be not result in produce deformation by installing guiding surface 29 and dismounting guiding surface 30.
The quantity of stage clip is not limit, preferably several and be uniformly distributed, so can so that insuring body 20 stress balance, when moving between high-order and low level comparatively steady, in addition, insurance body 20 has the hole seat 31 set by each stage clip, and hole seat 31 for the compression of stage clip and the offer guiding that resets, can be more beneficial for the stress balance of insurance body 20.
In the technical scheme of various embodiments of the present invention, as long as insurance body 20 is in a high position, the screens 23 of insurance body 20 is just interferenceed with the screens hole 19 of ejector pin frame 17, and now ejector pin frame 17 just cannot be carried out percussion. Shake-up insurance body 20 is pressed to the structure of low level and does not limit, it might even be possible to manually touch down to low level.
As shown in Figure 12 and Figure 13, in this embodiment, stapler also includes cutter 15, and percussion lock also includes the push broach frame 16 promoting cutter 15;
Nail kit 12 has the cutting groove 32 holding cutter 15 motion, and the cutting top of cutting groove 32 is provided with bolt 33, and bolt 33 can be pushed into release position by push broach frame 16 from make position, and it can not automatically reset in release position to make position;
Insurance body 20 has the high-order support portion 34 abutted against with bolt in the close position 33, when nail kit fill 12 enter nail kit arm 13 and nail anvil arm 11 close with nail kit arm 13 time, insurance body 20 is pressed to low level by high-order support portion 34 by bolt 33; When bolt 33 is pushed open to release position by push broach frame 16, bolt 33 loses with high-order support portion 34 and abuts, now insurance body 20 mobile paramount position under the effect of elastic component.
Cutting groove 32 can provide guiding for the motion of push broach frame 16 and cutter 15. In this embodiment, when nail kit 12 loads nail kit arm 13 and nail anvil arm 11 closes with nail kit arm 13, by the bolt 33 of make position, insurance body 20 is pressed to low level, now ejector pin frame 17 can be fired, when the bolt 33 of make position is pushed into release position by push broach frame 16, lose with high-order support portion 34 and abut, owing to bolt 33 can not automatically reset in release position, therefore, even if ejector pin frame 17 re-starts percussion after resetting, insurance body 20 also cannot be applied pressure and move it to low level by bolt 33 again, thus preventing ejector pin frame 17 from being fired.
Additionally, incorporated by reference to shown in Fig. 4, insurance body 20 further has vacancy of hiding and hides sky portion 35 in the low level of the bolt 33 of release position, and high-order support portion 34 and low level sky portion 35 of hiding has the spigot surface matched with ejector pin frame 17 direction of motion. The motion that spigot surface is ejector pin frame 17 provides guiding so that it is motion is more accurately, steadily.
The specific constructive form of bolt 33 is not limit, and as shown in figure 12, in this embodiment, bolt 33 includes L-shaped pin body 36 and breechblock 37, pin body 36 and nail kit 12 pivot dress. When breechblock 37 just can not automatically reset after being pushed into release position by push broach frame 16 again, the bolt structure of this embodiment is relatively simple, and easy to assembly.
As shown in figure 11, push broach frame 16 has the bayonet socket 38 that breechblock 37 matching form with bolt 33 closes, and this makes push broach frame 16 and bolt 33 have comparatively compact structure. Additionally, with reference to shown in Figure 12, cutter 15 have the first snap fit 39 of recess shape, and push broach frame 16 has the second snap fit 40 connect with the first snap fit 39 kissing, this makes to contact between push broach frame 16 with cutter 15 comparatively tight, and cutting movement is more steadily, reliably.
For ejector pin frame 17 and the synchronously driven embodiment of push broach frame 16:
When nail kit 12 does not load nail kit arm 13, the stage clip of safety is in free state, insurance body 20 is in a high position, the screens 23 of insurance body 20 is interferenceed with the screens hole 19 of ejector pin frame 17, ejector pin frame 17 and push broach frame 16 cannot fire, and nail kit 12 loads the partial sectional view at front guard frame place and can refer to shown in Figure 10;
When nail kit 12 loads nail kit arm 13, but when nail anvil arm 11 does not close with nail kit arm 13, the stage clip of safety is still in free state, insurance body 20 is in a high position, the screens 23 of insurance body 20 is interferenceed with the screens hole 19 of ejector pin frame 17, ejector pin frame 17 and push broach frame 16 cannot fire, and nail kit 12 loads but the partial sectional view at bolt 33 place can refer to shown in Figure 11 when nail anvil arm 11 does not close with nail kit arm 13;
When nail kit 12 loads nail kit arm 13, and when nail anvil arm 11 and nail kit arm 13 close, the bolt 33 of nail kit 12 compresses the high-order support portion 34 of insurance body 20, thus insurance body 20 is pressed to low level, the stage clip of safety is in energy accumulating state, the screens 23 of insurance body 20 releases with the screens hole 19 of ejector pin frame 17 to be interfered, and ejector pin frame 17 and push broach frame 16 can fire;
When ejector pin frame 17 and push broach frame 16 fire complete reset, push broach frame 16 and ejector pin frame 17 retreat, when the screens hole 19 of ejector pin frame 17 is when the screens 23 of insurance body 20, owing to insurance body 20 is no longer by the pressure of bolt 33, stage clip will be released can, insurance body 20 rebounds a high position, and the screens 23 of insurance body 20 is interferenceed with the screens hole 19 of ejector pin frame 17 again. Therefore, for same nail kit 12, ejector pin frame 17 and push broach frame 16 after percussion resets, it is impossible to again fire.
In like manner, when the nail kit 12 fired loads nail kit arm 13 by mistake, owing to bolt 33 cannot reset, insurance body 20 is not by the pressure of bolt 33, can be only in a high position, the screens 23 of insurance body 20 is interferenceed with the screens hole 19 of ejector pin frame 17, and ejector pin frame 17 and push broach frame 16 still cannot fire.
Visible, the ejector pin frame 17 of this embodiment and push broach frame 16 only load nail kit arm 13 in the nail kit 12 not fired, and nail anvil arm 11 just can fire when closing with nail kit arm 13, substantially increase the safety factor of stapler, decrease because mistakenly hit issues the misery that surgical patient brings.
In various embodiments of the present invention, the specific constructive form of percussion lock is not limit.Such as, wherein in an embodiment, percussion lock also can farther include percussion push button, locking fires the locking card column of push button and the percussion block of linking push broach frame and ejector pin frame, and percussion push button, locking card column and percussion block are Tong Bu with push broach frame and ejector pin frame to be driven.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art. So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a stapler, including:
Nail anvil arm (11) and the nail kit arm (13) equipped with nail kit (12);
Percussion lock, including the ejector pin frame (17) of the staple fired in described nail kit (12), described ejector pin frame (17) has the chute (18) offered along the direction of motion and the screens hole (19) intersected with described chute (18);
It is characterized in that, also include safety, described safety include insurance body (20) and elastic component (21), described insurance body (20) by described elastic component (21) can between high-order and low level movement be assemblied in described nail kit arm (13), described insurance body (20) have for the traverse of described ejector pin frame (17) by groove (22), described insurance body (20) has the screens (23) interferenceed when described insurance body (20) is in a high position with the described screens hole (19) of described ejector pin frame (17), described insurance body (20) has the cervical region (24) that the described chute (18) being positioned at described ejector pin frame (17) when described insurance body (20) is in low level moves relative to described insurance body (20) to allow described ejector pin frame (17),
Described sickle stiching instrument also includes cutter (15), and described percussion lock also includes the push broach frame (16) promoting described cutter (15);
Described nail kit (12) has holds the cutting groove (32) that described cutter (15) move, the cutting top of described cutting groove (32) is provided with bolt (33), and described bolt (33) can be pushed into release position by described push broach frame (16) from make position and can not automatically reset in release position to make position;
Described insurance body (20) has the high-order support portion (34) abutted against with described bolt (33) in the close position, when described nail kit (12) loads described nail kit arm (13) and described nail kit arm (13) with described nail anvil arm (11) Guan Bi, described insurance body (20) is pressed to low level by described high-order support portion (34) by described bolt (33); When described bolt (33) is pushed into release position by described push broach frame (16), described bolt (33) loses with described high-order support portion (34) and abuts.
2. stapler as claimed in claim 1, it is characterized in that, described nail kit arm (13) includes bottom and is positioned at two sidepieces of described two bottom sides, each described sidepiece offers at least one chute hole (27) along short transverse, and described insurance body (20) has slidable fit at least two slide post (28) in described chute hole (27) respectively;
Described elastic component (21) is the stage clip being positioned between described insurance body (20) and the described bottom of described nail kit arm (13).
3. stapler as claimed in claim 2, it is characterized in that, each described slide post (28) has along installing the installation guiding surface (29) that glide direction is arranged and the dismounting guiding surface (30) arranged along dismounting glide direction.
4. stapler as claimed in claim 2, it is characterised in that the quantity of described stage clip is multiple and is uniformly distributed, and described insurance body (20) has the hole seat (31) set by stage clip each described.
5. stapler as claimed in claim 1, it is characterized in that, described bolt (33) includes L-shaped pin body (36) and breechblock (37), described pin body (36) and described nail kit (12) pivot dress.
6. stapler as claimed in claim 5, it is characterised in that described push broach frame (16) has the bayonet socket (38) that described breechblock (37) matching form with described bolt (33) closes.
7. stapler as claimed in claim 1, it is characterized in that, described insurance body (20) also has vacancy of hiding and hides sky portion (35) in the low level of the described bolt (33) of release position, and described high-order support portion (34) and described low level sky portion (35) of hiding has the spigot surface matched with described ejector pin frame (17) direction of motion.
8. stapler as claimed in claim 1, it is characterized in that, described cutter (15) have first snap fit (39) of recess shape, and described push broach frame (16) has the second snap fit (40) connect with described first snap fit (39) kissing.
9. the stapler as described in any one of claim 1,5～8, it is characterized in that, described percussion lock also includes percussion push button, locks the locking card column of described percussion push button and be connected the percussion block of described push broach frame (16) and described ejector pin frame (17), and described percussion push button, described locking card column and described percussion block are Tong Bu with described push broach frame (16) and described ejector pin frame (17) to be driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198481.7A CN104173088B (en) | 2013-05-24 | 2013-05-24 | A kind of stapler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198481.7A CN104173088B (en) | 2013-05-24 | 2013-05-24 | A kind of stapler |
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| CN104173088A CN104173088A (en) | 2014-12-03 |
| CN104173088B true CN104173088B (en) | 2016-06-15 |
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| CN201310198481.7A Active CN104173088B (en) | 2013-05-24 | 2013-05-24 | A kind of stapler |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334504B (en) * | 2016-12-29 | 2019-01-25 | 江苏风和医疗器材股份有限公司 | Shaft member and surgical instruments for surgical instruments |
| US10799312B2 (en) * | 2017-04-28 | 2020-10-13 | Edwards Lifesciences Corporation | Medical device stabilizing apparatus and method of use |
| CN109199500B (en) * | 2018-10-24 | 2023-09-26 | 汕头大学 | Nail pushing device of endoscopic purse-string suture device |
| CN111466981B (en) * | 2019-01-24 | 2021-05-28 | 苏州英途康医疗科技有限公司 | Nail bin assembly and surgical operation instrument |
| CN110664449B (en) * | 2019-11-05 | 2023-08-11 | 江苏省肿瘤医院 | Cutting stitching instrument suitable for minimally invasive surgery |
| CN112914644B (en) * | 2021-01-25 | 2022-05-17 | 重庆迈科唯医疗科技有限公司 | Endoscope anastomat |
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|---|---|---|---|---|
| US5988479A (en) * | 1994-12-13 | 1999-11-23 | United States Surgical Corporation | Apparatus for applying surgical fasteners |
| CN101797174A (en) * | 2010-03-02 | 2010-08-11 | 瑞奇外科器械(北京)有限公司 | Safety device of linear cutting anastomat for surgery |
| 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 |
| CN202122595U (en) * | 2010-12-16 | 2012-01-25 | 苏州天臣国际医疗科技有限公司 | Linear cutting stitching instrument |
| CN203328749U (en) * | 2013-05-24 | 2013-12-11 | 瑞奇外科器械(中国)有限公司 | Cutting and stitching device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7055730B2 (en) * | 2000-10-13 | 2006-06-06 | Tyco Healthcare Group Lp | Surgical fastener applying apparatus |
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2013
- 2013-05-24 CN CN201310198481.7A patent/CN104173088B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5988479A (en) * | 1994-12-13 | 1999-11-23 | United States Surgical Corporation | Apparatus for applying surgical fasteners |
| CN101797174A (en) * | 2010-03-02 | 2010-08-11 | 瑞奇外科器械(北京)有限公司 | Safety device of linear cutting anastomat for surgery |
| 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 |
| CN202122595U (en) * | 2010-12-16 | 2012-01-25 | 苏州天臣国际医疗科技有限公司 | Linear cutting stitching instrument |
| CN203328749U (en) * | 2013-05-24 | 2013-12-11 | 瑞奇外科器械(中国)有限公司 | Cutting and stitching device |
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| Publication number | Publication date |
|---|---|
| CN104173088A (en) | 2014-12-03 |
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Address after: 300457 Tianjin Binhai New Area Economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Patentee after: Tianjin Ricky surgical instruments Limited by Share Ltd Address before: 300457 Tianjin Binhai New Area Economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Patentee before: Reach Surgical Instrument (China) Co.,Ltd. |
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