CN109875628A - The staple cartridge structure of medical suturing instrument - Google Patents
The staple cartridge structure of medical suturing instrument Download PDFInfo
- Publication number
- CN109875628A CN109875628A CN201910142193.7A CN201910142193A CN109875628A CN 109875628 A CN109875628 A CN 109875628A CN 201910142193 A CN201910142193 A CN 201910142193A CN 109875628 A CN109875628 A CN 109875628A
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- China
- Prior art keywords
- nail
- staple cartridge
- connecting rod
- pressing plate
- slot
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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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- 238000005452 bending Methods 0.000 claims abstract description 29
- 238000009432 framing Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010417 needlework Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
Landscapes
- Portable Nailing Machines And Staplers (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to the staple cartridge structures of medical instruments field, especially medical suturing instrument.The staple cartridge structure of medical suturing instrument, including upper staple cartridge and lower staple cartridge, upper staple cartridge and lower staple cartridge are equipped with upper pin structure and out pin structure, staple cartridge, upper pin structure includes retaining groove peace sliding slot, lower staple cartridge front is equipped with retaining groove, retaining groove rear portion is smooth slot, curved surface is equipped between smooth slot and retaining groove, pin structure includes retaining screw frame out, bending is followed closely out, hook nail piece and nail pressing plate, it is equipped with retaining screw frame before retaining groove and goes out nail bending, retaining screw frame front end raises upward into rib, nail bending front part sides set lattice framing out, positioned at rib two sides, after nail pressing plate is located at suturing nail, nail pressing plate is equipped with hook nail piece, smooth slot places suturing nail, ejector pin seat is equipped with behind suturing nail, nail pressing plate is connect with connecting rod, connecting rod is mounted on staple cartridge rear end, ejector pin seat is contacted by pushing structure with connecting rod.Usefulness of the present invention: structure novel, design is rationally ingenious, convenient and practical.
Description
Technical field
The present invention relates to the staple cartridge structures of medical instruments field, especially medical suturing instrument.
Background technique
Skin closure is all made of needlework suture in traditional surgical operation, and suturing skill requires height, time long, tissue reaction
Greatly, Yi Fayan, and wound not easy fitted, scar after the operation is obvious, and patient has obvious feeling of pain when taking out stitches.But current skin closure
Device is limited to shape, and for sphere of action than shallower, applicability receives certain influence, there is also an issue, staple cartridge is than relatively thin, seam
Dowel is that laterally, negligible amounts need to redesign reasonable staple cartridge structure.
Summary of the invention
In order to solve above-mentioned suturing nail laterally setting negligible amounts and staple cartridge technical problem reasonable in design, the present invention
The staple cartridge structure of medical suturing instrument is provided.
Technical scheme is as follows:
The staple cartridge structure of medical suturing instrument, including upper staple cartridge and lower staple cartridge, upper staple cartridge and lower staple cartridge are equipped with upper pin structure and go out to follow closely
Structure, staple cartridge, upper pin structure include retaining groove peace sliding slot, and lower staple cartridge front is equipped with retaining groove, and retaining groove rear portion is smooth slot, smooth slot
Lower than retaining groove, curved surface is equipped between smooth slot and retaining groove, retaining groove peace sliding slot is equipped with groove, and pin structure includes retaining screw out
Frame goes out nail bending, hook nail piece and nail pressing plate, and retaining screw frame is equipped with before retaining groove and goes out nail bending, retaining screw frame front end raises upward into gear
Side follows closely bending front part sides out and sets lattice framing, is located at rib two sides, and after nail pressing plate is located at suturing nail, nail pressing plate is equipped with hook nail piece,
It raises upward to form block body a among hook nail piece, smooth slot places suturing nail, is equipped with ejector pin seat, nail pressing plate and company behind suturing nail
Extension bar connection, connecting rod are mounted on staple cartridge rear end, and ejector pin seat is contacted by pushing structure with connecting rod.
It is equipped with baffle among the lower staple cartridge front end, is provided with jack behind baffle, baffle surface is obliquely installed, after preceding height
It is low, it is equipped with retaining screw frame in jack and goes out nail bending, retaining screw frame is contacted with baffle, follows closely bending out and retaining screw bridge joint touches, outside retaining screw frame
Side is equipped with retaining groove, and smooth slot is equipped among lower staple cartridge, and lower staple cartridge two sides are equipped with buckle.
The notch that block body b is accommodated is equipped among the upper staple cartridge front end, notch rear is equipped with the installing port of installation nail pressing plate,
Upper staple cartridge rear portion two sides are equipped with card slot, and surface is equipped with hollow out, and wall body is equipped among upper staple cartridge inner wall, is formed and is used between wall body inner wall
To accommodate connecting rod socket.
It is described to go out to follow closely bending and be equipped with to follow closely slot, height of the groove height greater than suturing nail is followed closely out.
The block body a is inverted u-shaped, and block body a outer lower end is connect with block body b, contacts, keeps off among block body b and nail bending out
Body b leading portion is equipped with upward turn of bilge.
Ejector pin seat two sides are equipped with pushing slice of nail, and pushing slice of nail is located in sliding slot ditch, and sliding slot presulcus part is inclined-plane, before ejector pin seat
Suturing nail is placed, lower staple cartridge is equipped with connecting rod, and connecting rod front connects nail pressing plate, and nail pressing prelaminar part is between inner wall, position
After suturing nail.
The pushing structure includes ejector pin spring, internal plug, return spring and connecting rod, and ejector pin spring one end is set in ejector pin
On the body of rod of seat rear portion, the ejector pin spring other end is contacted with internal plug front surface, is arranged with the one of return spring on the body of rod of internal plug rear portion
End, the other end of return spring are contacted with the bent plate of connecting rod, and bent plate is vertically located among lower staple cartridge rear end.
Using technical solution of the present invention, structure novel is binary channels by design single channel, and lower channel is deposited for suturing nail
It puts, vertical to place, arrangement is close and quantity is more, and by the teamwork with upper channel, suturing nail to be worked is turned level side
To release, cleverly curved surface bend is designed, and turns horizontality vertically and completes out to follow closely, and using effect is good, staple cartridge length compared with
It is long and prominent, it is primarily useful for suturing the deep skin surface of needs that general stitching unstrument can not touch, and two groups of lower channel
For movement structure by one movement linkage of connecting rod, design is rationally ingenious, convenient and practical.
Detailed description of the invention
Fig. 4,5 are structural schematic diagrams of the invention；
Fig. 6,7 be staple cartridge in the present invention structural schematic diagram；
Fig. 9 is the structural schematic diagram of staple cartridge and lower staple cartridge in the present invention；
Figure 10,11 be staple cartridge under the present invention structural schematic diagram；
Fig. 1,2,3,8,12,13 are the structural schematic diagrams of the embodiment of the present invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment
The staple cartridge structure of the medical suturing instrument as shown in Fig. 1,2,3,4,5,6,7,8,9,10,11,12,13, staple cartridge length
It is longer and prominent, it is primarily useful for suturing the deep skin surface of needs that general stitching unstrument can not touch, including 6 He of upper staple cartridge
Lower staple cartridge 14, the lower staple cartridge 14 are equipped with upper pin structure and out pin structure, and upper pin structure includes the peaceful sliding slot 24 of retaining groove 23, on
Pin structure includes the peaceful sliding slot 24 of retaining groove 23, and lower 14 front of staple cartridge is equipped with retaining groove 23, and 23 rear portion of retaining groove is smooth slot 24, smooth slot
24 are lower than retaining groove 23, and curved surface is equipped between smooth slot 24 and retaining groove 23, by this design so that suturing nail vertical state
It can switch to horizontality, the peaceful sliding slot 24 of retaining groove 23 is equipped with groove 25, and pin structure includes retaining screw frame 17, goes out nail bending 9, hook out
Piece 8 and nail pressing plate 7 are followed closely, retaining screw frame 17 is equipped with before retaining groove 23 and goes out nail bending 9,17 front end of retaining screw frame raises upward into rib, out
Nail 9 front part sides of bending set lattice framing, are located at rib two sides, and after nail pressing plate 7 is located at suturing nail 16, nail pressing plate 7 is equipped with hook nail piece
8, it raises upward to form block body a27 among hook nail piece 8, smooth slot 24 places suturing nail 16, is equipped with ejector pin seat behind suturing nail 16
15, nail pressing plate 7 is connect with connecting rod 4, and connecting rod 4 is mounted on staple cartridge rear end, and ejector pin seat 15 is connect by pushing structure with connecting rod 4
When touching, actually suturing nail 16 are that stitching unstrument is pushed ahead between block body b28 and out nail slot 29, block body b28 is up
It sticks up, can be one of baffle that suturing nail 16 moves forward in order to prevent as this hook nail piece 8, its is latter half of for hook nail piece 8
It is fixed between staple cartridge 6 and coping 7, first half is pressed in out in nail bending 9 for stopping that piece of suturing nail topmost
16 move forward, and in actual mechanical process, nail pressing plate 7 pushes suturing nail 16 forward, and suturing nail 16 pushes 8 first half of hook nail piece upward
Tilting makes suturing nail 16 by 8 first half of hook nail piece and follows closely the crack between bending 9, finally completes to squeeze at the position block body a27
Pressure goes out through going out nail bending 9.
It is equipped with baffle 21 among 14 front end of lower staple cartridge, jack 22 is provided with behind baffle 21, the inclination of 21 surface of baffle is set
Set, the front is high and the back is low, and retaining screw frame 17 is equipped in jack 22 and goes out nail bending 9, and retaining screw frame 17 contacts with baffle 21, follow closely out bending 9 and
Retaining screw frame 17 contacts, and retaining groove 23 is equipped on the outside of retaining screw frame 17, is equipped with smooth slot 24 among lower staple cartridge 14, lower 14 two sides of staple cartridge are equipped with
Buckle 26.
The notch 34 that block body b28 is accommodated is equipped among 6 front end of upper staple cartridge, 34 rear of notch is equipped with installation
The installing port 35 of nail pressing plate 7, upper 6 rear portion two sides of staple cartridge are equipped with card slot 32, and surface is equipped with hollow out, in upper 6 inner wall of staple cartridge
Between be equipped with wall body 33, formed to accommodate 4 socket of connecting rod between 33 inner wall of wall body.
It is described to go out to follow closely bending 9 and be equipped with to follow closely slot 29, height of 29 height of slot greater than suturing nail 16 is followed closely out.
The block body a27 is in the type of falling U, and block body a27 outer lower end connect with block body b28, block body b28 and out
It is contacted among nail bending 9, block body b28 leading portion is equipped with upward turn of bilge.
15 two sides of ejector pin seat are equipped with pushing slice of nail, and pushing slice of nail is located in sliding slot ditch 25, and 25 front of sliding slot ditch is inclined-plane, tiltedly
Face guarantees to be pressed into place, and suturing nail can be equipped with connecting rod using suturing nail, lower staple cartridge 14 completely, is placed before ejector pin seat 15
4,4 front of connecting rod connects nail pressing plate 7, and 7 front of nail pressing plate is located at after suturing nail 16 between inner wall.
The pushing structure includes ejector pin spring 5, internal plug 13, return spring 3 and connecting rod 4, and 5 one end of ejector pin spring is arranged
On the 15 rear portion body of rod of ejector pin seat, 5 other end of ejector pin spring is contacted with 13 front surface of internal plug, is arranged on the 13 rear portion body of rod of internal plug
The other end of one end of return spring 3, return spring 3 is contacted with the bent plate of connecting rod 4, and bent plate is vertically located at lower 14 rear end of staple cartridge
It is intermediate.
The connecting rod 4 is connect with dynamic structure, and dynamic structure includes handle 10, push rod 2, check spring 1 and fixed plate
12,10 front base of handle is equipped with fixed plate 12, is equipped with upper staple cartridge 6 and lower staple cartridge 14 between 10 inner wall of fixed plate 12 and handle,
The 2 front body of rod of push rod connects connecting rod 4,2 middle part bottom notch of push rod, and recess card sets spanner 11, and 2 middle part top of push rod is equipped with
Socket, spigot are inserted into 1 one end of check spring, and 1 other end of check spring is fastened on 10 inner wall of handle, and inner wall is equipped with limiting tooth
With movable mouth.
In use, 10 activity of handle, pushes push rod 2, connecting rod 4 travels forward, and nail pressing plate 7 pushes suturing nail 16 forward,
Suturing nail 16, which pushes 8 first half of hook nail piece to be upturned, passes through suturing nail 16 between 8 first half of hook nail piece and nail bending 9
Crack, finally complete to squeeze at the position block body a27, go out through going out nail bending 9, while making ejector pin seat 15 movable forward, make
Obtaining suturing nail 16, activity to follow closely position out upwards, and check spring 1 has certain elasticity, and tail portion horizontal position is in limiting tooth
Mechanism level center, the activity of spanner 11, pushes push rod 2 forward, the check spring 1 being fixed on push rod 2 while forward, non-return bullet
1 tail portion of spring slides on the limiting tooth on 10 inner wall of handle, and when 11 activity midway of spanner is suspended, 1 trailer card of check spring is being limited
Push rod 2 and connecting rod 4 is prevented to spring back under the action of return spring 3 on the tooth of position.When spanner 11 is pressed into bottom, check spring 1
Tail portion skids off limiting tooth, enters decline slot by own resilient, and then spanner 11 loosens, and push rod 2 and connecting rod 4 are in return spring 3
Under the action of spring back, check spring 1 moves backward simultaneously, and 1 tail portion of check spring slides into below limiting tooth along decline slot, limiting tooth
Lower section is smooth, and the rebound of entire movable device is without hindrance until original position, at this time 1 tail portion of check spring again because own resilient into
Enter ascending groove.
It should be understood that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not sufficient to limit of the invention
Technical solution within the spirit and principles in the present invention, can add according to the above description for those of ordinary skills
With increase and decrease, replacement, transformation or improvement, and all these increases and decreases, replacement, transformation or improved technical solution, it all should belong to this
The protection scope of invention appended claims.
Claims (7)
1. the staple cartridge structure of medical suturing instrument, it is characterised in that: including upper staple cartridge (6) and lower staple cartridge (14), upper staple cartridge (6) and under
Staple cartridge (14) is equipped with upper pin structure and pin structure out, and upper pin structure includes retaining groove (23) peace sliding slot (24), before lower staple cartridge (14)
Portion is equipped with retaining groove (23), and retaining groove (23) rear portion is smooth slot (24), and smooth slot (24) is lower than retaining groove (23), smooth slot (24) and gear
Curved surface is equipped between slot (23), retaining groove (23) peace sliding slot (24) is equipped with groove (25), and pin structure includes retaining screw frame out
(17), go out nail bending (9), hook nail piece (8) and nail pressing plate (7), retaining screw frame (17) are equipped with before retaining groove (23) and go out nail bending (9),
Retaining screw frame (17) front end raises upward into rib, follows closely bending (9) front part sides out and sets lattice framing, is located at rib two sides, nail pressing plate (7)
After suturing nail (16), nail pressing plate (7) is equipped with hook nail piece (8), raises upward to form block body a(27 among hook nail piece (8)),
Smooth slot (24) places suturing nail (16), and suturing nail (16) is equipped with ejector pin seat (15) below, and nail pressing plate (7) and connecting rod (4) are even
It connects, connecting rod (4) is mounted on staple cartridge rear end, and ejector pin seat (15) is contacted by pushing structure with connecting rod (4).
2. the staple cartridge structure of medical suturing instrument according to claim 1, it is characterised in that: in lower staple cartridge (14) front end
Between be equipped with baffle (21), baffle (21) below be provided with jack (22), baffle (21) surface is obliquely installed, and the front is high and the back is low, jack
(22) it is equipped with retaining screw frame (17) in and goes out nail bending (9), retaining screw frame (17) is contacted with baffle (21), follows closely bending (9) and retaining screw out
Frame (17) contact, retaining screw frame (17) outside are equipped with retaining groove (23), are equipped with smooth slot (24) among lower staple cartridge (14), lower staple cartridge (14)
Two sides are equipped with buckle (26).
3. the staple cartridge structure of medical suturing instrument according to claim 1, it is characterised in that: in upper staple cartridge (6) front end
Between be equipped with block body b(28) accommodate notch (34), notch (34) rear be equipped with installation nail pressing plate (7) installing port (35), upper nail
Box (6) rear portion two sides are equipped with card slot (32), and surface is equipped with hollow out, are equipped with wall body (33) among upper staple cartridge (6) inner wall, wall body (33)
It is formed between inner wall to accommodate connecting rod (4) socket.
4. the staple cartridge structure of medical suturing instrument according to claim 1, it is characterised in that: nail bending (9) out is equipped with
Slot (29) are followed closely out, follow closely the height that slot (29) are highly greater than suturing nail (16) out.
5. the staple cartridge structure of medical suturing instrument according to claim 1, it is characterised in that: the block body a(27) in U
Type, block body a(27) outer lower end connect with block body b(28), block body b(28) with go out among nail bending (9) to contact, block body b(28)
Leading portion is equipped with upward turn of bilge.
6. the staple cartridge structure of medical suturing instrument according to claim 1, it is characterised in that: ejector pin seat (15) two sides are set
There is pushing slice of nail, pushing slice of nail is located in sliding slot ditch (25), and sliding slot ditch (25) front is inclined-plane, suturing nail is placed before ejector pin seat (15),
Lower staple cartridge (14) be equipped with connecting rod (4), connecting rod (4) front connect nail pressing plate (7), nail pressing plate (7) front be located at inner wall it
Between, it is located at after suturing nail (16).
7. the staple cartridge structure of medical suturing instrument according to claim 1, it is characterised in that: the pushing structure includes ejector pin
Spring (5), internal plug (13), return spring (3) and connecting rod (4), ejector pin spring (5) one end are set in ejector pin seat (15) rear link
On body, ejector pin spring (5) other end is contacted with internal plug (13) front surface, is arranged with return spring on the body of rod of internal plug (13) rear portion
(3) other end of one end, return spring (3) is contacted with the bent plate of connecting rod (4), and bent plate is vertically located at lower staple cartridge (14) rear end
It is intermediate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142193.7A CN109875628B (en) | 2019-02-26 | 2019-02-26 | Nail box structure of medical stitching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142193.7A CN109875628B (en) | 2019-02-26 | 2019-02-26 | Nail box structure of medical stitching instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109875628A true CN109875628A (en) | 2019-06-14 |
| CN109875628B CN109875628B (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910142193.7A Active CN109875628B (en) | 2019-02-26 | 2019-02-26 | Nail box structure of medical stitching instrument |
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| Country | Link |
|---|---|
| CN (1) | CN109875628B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648542A (en) * | 1985-11-01 | 1987-03-10 | Senmed, Inc. | Disposable stapler |
| US7530484B1 (en) * | 2003-10-30 | 2009-05-12 | Ayaz Mahmud Durrani | Single cartridge surgical stapler |
| WO2011105543A1 (en) * | 2010-02-26 | 2011-09-01 | マニー株式会社 | Medical stapler and magazine |
| CN103431884A (en) * | 2013-08-14 | 2013-12-11 | 杨润学 | Open type flatly-paved skin stitching instrument |
| CN104248458A (en) * | 2014-09-26 | 2014-12-31 | 重庆康美唯外科器械有限公司 | Suturing nail bin structure of linear anastomat |
| CN205163144U (en) * | 2015-11-02 | 2016-04-20 | 苏州澳力欣精密技术有限公司 | Quick reliable disposable skin anastomat of type |
| CN105832371A (en) * | 2016-05-05 | 2016-08-10 | 常州洛克曼医疗器械有限公司 | Skin stitching instrument with front-arranged nail bin plate |
| CN107802307A (en) * | 2017-11-02 | 2018-03-16 | 广州科荟泽生物科技有限公司 | A kind of Skin sewing needle nail bin attachment structure |
| CN108420482A (en) * | 2018-03-20 | 2018-08-21 | 东莞市超硕电子五金有限公司 | Medical treatment suture nail gun |
| CN210124807U (en) * | 2019-02-26 | 2020-03-06 | 宁波市爱达维电器有限公司 | Nail box structure of medical stitching instrument |
-
2019
- 2019-02-26 CN CN201910142193.7A patent/CN109875628B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648542A (en) * | 1985-11-01 | 1987-03-10 | Senmed, Inc. | Disposable stapler |
| US7530484B1 (en) * | 2003-10-30 | 2009-05-12 | Ayaz Mahmud Durrani | Single cartridge surgical stapler |
| WO2011105543A1 (en) * | 2010-02-26 | 2011-09-01 | マニー株式会社 | Medical stapler and magazine |
| CN103431884A (en) * | 2013-08-14 | 2013-12-11 | 杨润学 | Open type flatly-paved skin stitching instrument |
| CN104248458A (en) * | 2014-09-26 | 2014-12-31 | 重庆康美唯外科器械有限公司 | Suturing nail bin structure of linear anastomat |
| CN205163144U (en) * | 2015-11-02 | 2016-04-20 | 苏州澳力欣精密技术有限公司 | Quick reliable disposable skin anastomat of type |
| CN105832371A (en) * | 2016-05-05 | 2016-08-10 | 常州洛克曼医疗器械有限公司 | Skin stitching instrument with front-arranged nail bin plate |
| CN107802307A (en) * | 2017-11-02 | 2018-03-16 | 广州科荟泽生物科技有限公司 | A kind of Skin sewing needle nail bin attachment structure |
| CN108420482A (en) * | 2018-03-20 | 2018-08-21 | 东莞市超硕电子五金有限公司 | Medical treatment suture nail gun |
| CN210124807U (en) * | 2019-02-26 | 2020-03-06 | 宁波市爱达维电器有限公司 | Nail box structure of medical stitching instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109875628B (en) | 2024-03-08 |
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