CN102657544A - Stitching instrument and jaw assembly thereof - Google Patents
Stitching instrument and jaw assembly thereof Download PDFInfo
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- CN102657544A CN102657544A CN201210135897XA CN201210135897A CN102657544A CN 102657544 A CN102657544 A CN 102657544A CN 201210135897X A CN201210135897X A CN 201210135897XA CN 201210135897 A CN201210135897 A CN 201210135897A CN 102657544 A CN102657544 A CN 102657544A
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- supporting base
- nail supporting
- guide plate
- nail
- jaw
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Abstract
The invention relates to a stitching instrument and a jaw assembly thereof. The jaw assembly is characterized by comprising a jaw support, a nail pushing seat, a guide plate and a plug; the jaw support is provided with a nail pushing seat mounting cavity, a guide plate mounting hole and a hook-like structure; the nail pushing seat is provided with a poisoning needle hole and a limiting hole; the right part of the guide plate penetrates through the limiting hole of the nail pushing seat, the left part of the guide plate is positioned in the guide plate mounting hole of the jaw support, and the middle part of the guide plate is provided with a clamping groove which is as wide as the upper edge of the limiting hole of the nail pushing seat; and the nail pushing seat is arranged in the nail pushing seat mounting cavity of the jaw support, and the guide plate limits the left and right positions of the nail pushing seat through the clamping groove and is fixed in the guide plate mounting hole of the jaw support through the plug. The stitching instrument comprises a nail bin, a propelling mechanism and the jaw assembly. The jaw of the stitching instrument is light and high in strength, a stitching nail is well formed, and the stitching instrument is good in sense of wholeness, so that the stitching instrument is suitable to be widely popularized and used.
Description
Technical field
The present invention relates to a kind of medical suturing instrument, particularly relate to a kind of stiching instrument and jaw assembly thereof.
Background technology
Medical suturing instrument is to be used for the digestive tract tissue to carry out the medical apparatus and instruments that the broken ends of fractured bone connects, its have simple to operate, can effectively shorten operating time, and significantly be superior to characteristics such as manual suture effect, thereby more and more obtain doctor and patient's approval.
At present, the nail supporting base of medical suturing instrument all is fixed on the jaw, interfixes through two panel beatings in front and back and middle working of plastics, and utilizes rivet to rivet.Yet find that in practice there are following defective in above-mentioned existing this structure and fixing means:
1, the dimension precision requirement to mating parts such as nail supporting base, clamping plate is very high, and the molding of the excessive then seam of error nail is unstable;
2, riveting process also can produce certain influence to the installation site of nail supporting base, and this also is to cause one of unsettled reason of seam nail molding;
3, use clamping plate fixedly the method for nail supporting base also can make the head (jaw) of apparatus overweight, the apparatus of model is especially serious greatly, causes doctor's inconvenient operation.
This shows that above-mentioned existing stiching instrument obviously still has inconvenience and defective, and demands urgently further improving in structure and use.It is light and handy and intensity is high how to found a kind of jaw, and the molding of seam nail is good, and the apparatus associative perception is new stiching instrument and jaw assembly thereof better, one of real research direction that belongs to current this area.
Summary of the invention
The technical problem that the present invention will solve provides a kind of stiching instrument and jaw assembly thereof, makes its jaw light and handy and intensity is high, and the molding of seam nail is good, and the apparatus associative perception is better, thereby overcomes the deficiency of existing stiching instrument.
For solving the problems of the technologies described above; The jaw assembly of a kind of stiching instrument of the present invention comprises jaw support, nail supporting base, guide plate and plug, and wherein: inboard, a jaw support left side is provided with the nail supporting base installation cavity; The lower left is provided with the guide plate installing hole, and is provided with hook formation on nail supporting base installation cavity top; Nail supporting base one end is provided with the location pin hole, and the other end is provided with spacing hole; The guide plate right part passes the spacing hole of nail supporting base, and left part is positioned at the guide plate installing hole of jaw support, and the middle part is provided with and the suitable draw-in groove of nail supporting base spacing hole upper edge width; Nail supporting base is installed in the nail supporting base installation cavity of jaw support, and guide plate passes through the position, the left and right sides of draw-in groove restriction nail supporting base, and is fixed in the guide plate installing hole of jaw support through plug.
As a kind of improvement of the present invention, the nail supporting base installation cavity of described jaw support is slightly larger than nail supporting base.
Described nail supporting base cross section takes the shape of the letter U, and in the U-lag of nail supporting base, backing plate is installed.
Described backing plate is provided with the hole corresponding with location pin hole, the spacing hole of nail supporting base, and connects and fixes through protruding, groove structure and nail supporting base.
Described jaw support is an integral structure.
Described plug is L shaped for closely, and it is protruding to be provided with card at upper and lower end, is provided with fin in the side, and the guide plate installing hole inwall of jaw support is provided with, fin corresponding groove protruding with said card.
Described jaw support adopts aluminum alloy material.
Described guide plate is a plastic material, and described plug adopts elastic material.
In addition, the present invention also provides a kind of stiching instrument, comprises nail bin, propulsive mechanism and above-mentioned jaw assembly, and wherein: propulsive mechanism slidably is installed on the jaw support, and nail bin is fixedly connected with pushing mechanism; The nail bin upper end is provided with and the corresponding needle outlet of nail supporting base location pin hole, and the lower end is provided with the reference column that can insert the nail supporting base spacing hole, and above reference column, is provided with the jack corresponding with the guide plate right-hand member.
As further improvement, described nail bin also is provided with spacing preiection above needle outlet.
After adopting such design, the jaw of stiching instrument of the present invention is light and handy, and stiching instrument jaw intensity is high, the forming of seam nail, and the apparatus associative perception is better, thereby is more suitable for extensively promoting the use of.
Description of drawings
Above-mentioned only is the general introduction of technical scheme of the present invention, understands technological means of the present invention in order can more to know, below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed description.
Fig. 1 is the structural representation of the jaw assembly of stiching instrument of the present invention.
Fig. 2 is the jaw supporting structure sketch map of the jaw assembly of stiching instrument of the present invention.
Fig. 3 is the nail supporting base structural representation of the jaw assembly of stiching instrument of the present invention.
Fig. 4 is the guide board structure sketch map of the jaw assembly of stiching instrument of the present invention.
Fig. 5 is the plug structural representation of the jaw assembly of stiching instrument of the present invention.
Fig. 6 is the backing structure sketch map of the jaw assembly of stiching instrument of the present invention.
Fig. 7 is the structural representation of stiching instrument of the present invention.
Fig. 8 is the nail bin structural representation of stiching instrument of the present invention.
The specific embodiment
See also shown in Figure 1ly, the jaw assembly of stiching instrument of the present invention comprises jaw support 1, nail supporting base 2, guide plate 3 and plug 4.
Wherein, please cooperate consult shown in Figure 2, jaw support 1 preferred integral type aluminium alloy structure of the present invention, its left inboard is provided with nail supporting base installation cavity 11, the lower left is provided with guide plate installing hole 12, and is provided with hook formation 13 on nail supporting base installation cavity top.Preferable, nail supporting base installation cavity 11 is slightly larger than nail supporting base 2.
Please cooperate consult shown in Figure 3, the surface of nail supporting base 2 of the present invention be provided with to the nail groove 23, and at one end be provided with the location pin hole 21, the other end is provided with spacing hole 22.When nail supporting base 2 is thicker, for example thickness can directly be assembled in it on jaw support when 0.8mm～10mm.
When nail supporting base 2 is thinner, when for example thickness is between 0.1mm～0.8mm, consider the intensity of apparatus, can in assembly, increase nail supporting base backing plate 5 and support.Please cooperate to cooperate and consult Fig. 3, shown in Figure 4, at this moment, the cross section of nail supporting base 2 can take the shape of the letter U, and backing plate 5 promptly is installed in the U-lag of nail supporting base 2.Specifically; Nail supporting base 2 is provided with at least two pairs of small embossments 24 on its U-lag inwall; Backing plate 5 is provided with the hole 51,52 corresponding with the location pin hole 21 of nail supporting base, spacing hole 22; And be provided with the groove 54 corresponding with small embossment 24, through realizing being fixedly connected of backing plate 5 and nail supporting base 2 cooperating of small embossment 24 and groove 54.
Please cooperate and consult shown in Figure 5ly, guide plate 3 can adopt plastic material, and its right part can pass the spacing hole 22 of nail supporting base, and left part is positioned at the guide plate installing hole 12 of jaw support, and the middle part is provided with and the suitable draw-in groove 31 of nail supporting base spacing hole 22 upper edge width.
Please cooperate and consult shown in Figure 6ly, preferred nearly L shaped elastomers of plug 4, and it is protruding 41 to be provided with card at upper and lower end, is provided with fin 42 in the side, guide plate installing hole 12 inwalls of jaw support are provided with, fin 42 corresponding groove protruding 41 with said card.
During installation; Earlier nail supporting base 2 and backing plate 5 are installed together, nail supporting base installation cavity 11 upper ends with jaw support 1 is inserted in mounted nail supporting base 2 upper ends push the lower end again; Nail supporting base 2 left sides and jaw support 1 are fitted fully; At this moment, nail supporting base 2 floating grounds are installed on the jaw support 1, but nail supporting base 2 all has free gap automatic fine tuning with jaw support 1 up and down.Afterwards, the guide plate installing hole 12 of guide plate 3 from jaw support 1 inserted, upwards push away after insertion puts in place, the draw-in groove 31 of guide plate 3 and the spacing hole 22 upper edges grafting of nail supporting base 2 are fitted.At last plug 4 is inserted guide plate installing hole 12, guide plate 3 is fixed in the jaw support 1.After the installation, the present invention utilizes the position, the left and right sides of guide plate 3 draw-in grooves 31 restriction nail supporting bases 2, and through plug 4 fixed guide plates 3, cooperates the hook formation 113 of jaw support can guarantee that nail supporting base 21 can't break away from jaw support 1.
Please cooperate and consult shown in Figure 7ly, stiching instrument of the present invention comprises the jaw assembly that nail bin 6, propulsive mechanism 7 and the present invention are above-mentioned.Approximate with existing design, propulsive mechanism 7 slidably is installed on the jaw support 1, and nail bin 6 is fixedly connected with pushing mechanism 7.
Please cooperate consult shown in Figure 8; Nail bin of the present invention 6 upper ends are provided with the needle outlet 61 corresponding with nail supporting base location pin hole 21; The lower end is provided with the reference column 62 that can insert nail supporting base spacing hole 22; And above reference column 62, be provided with the jack 63 corresponding with guide plate 3 right-hand members, above needle outlet 61, be provided with spacing preiection 64.
During percussion; Propulsive mechanism 7 advances nail bin 6 to nail supporting base 2 directions, before nail bin 6 arrived nail supporting base 2, the right-hand member of guide plate 3 inserted in the jack 63 of nail bin; The reference column 62 of nail bin inserts in the spacing hole 22 and the hole between guide plate 3 middle parts of nail supporting base; Nail bin 6 continues to advance to nail supporting base 2 directions, can realize the accurate location of nail bin 6 and nail supporting base 2, and spacing preiection 64 has guaranteed rational stitching gap simultaneously.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (10)
1. the jaw assembly of a stiching instrument is characterized in that comprising jaw support, nail supporting base, guide plate and plug, wherein:
Inboard, a jaw support left side is provided with the nail supporting base installation cavity, and the lower left is provided with the guide plate installing hole, and is provided with hook formation on nail supporting base installation cavity top;
Nail supporting base one end is provided with the location pin hole, and the other end is provided with spacing hole;
The guide plate right part passes the spacing hole of nail supporting base, and left part is positioned at the guide plate installing hole of jaw support, and the middle part is provided with and the suitable draw-in groove of nail supporting base spacing hole upper edge width;
Nail supporting base is installed in the nail supporting base installation cavity of jaw support, and guide plate passes through the position, the left and right sides of draw-in groove restriction nail supporting base, and is fixed in the guide plate installing hole of jaw support through plug.
2. the jaw assembly of stiching instrument according to claim 1 is characterized in that the nail supporting base installation cavity of described jaw support is slightly larger than nail supporting base.
3. the jaw assembly of stiching instrument according to claim 1 is characterized in that described nail supporting base cross section takes the shape of the letter U, and in the U-lag of nail supporting base, backing plate is installed.
4. the jaw assembly of stiching instrument according to claim 3 is characterized in that described backing plate is provided with the hole corresponding with location pin hole, the spacing hole of nail supporting base, and connects and fixes through protruding, groove structure and nail supporting base.
5. the jaw assembly of stiching instrument according to claim 1 is characterized in that described jaw support is an integral structure.
6. the jaw assembly of stiching instrument according to claim 1; It is characterized in that described plug is L shaped for closely; And it is protruding to be provided with card at upper and lower end, is provided with fin in the side, and the guide plate installing hole inwall of jaw support is provided with, fin corresponding groove protruding with said card.
7. the jaw assembly of stiching instrument according to claim 1 is characterized in that described jaw support adopts aluminum alloy material.
8. the jaw assembly of stiching instrument according to claim 1 is characterized in that described guide plate is a plastic material, and described plug adopts elastic material.
9. a stiching instrument is characterized in that comprising each described jaw assembly among nail bin, propulsive mechanism and the claim 1-8, wherein:
Propulsive mechanism slidably is installed on the jaw support, and nail bin is fixedly connected with pushing mechanism;
The nail bin upper end is provided with and the corresponding needle outlet of nail supporting base location pin hole, and the lower end is provided with the reference column that can insert the nail supporting base spacing hole, and above reference column, is provided with the jack corresponding with the guide plate right-hand member.
10. stiching instrument according to claim 9 is characterized in that described nail bin also is provided with spacing preiection above needle outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210135897.XA CN102657544B (en) | 2012-05-04 | 2012-05-04 | Stitching instrument and jaw assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210135897.XA CN102657544B (en) | 2012-05-04 | 2012-05-04 | Stitching instrument and jaw assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102657544A true CN102657544A (en) | 2012-09-12 |
| CN102657544B CN102657544B (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210135897.XA Active CN102657544B (en) | 2012-05-04 | 2012-05-04 | Stitching instrument and jaw assembly thereof |
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| Country | Link |
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| CN (1) | CN102657544B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105434003A (en) * | 2015-12-22 | 2016-03-30 | 北京派尔特医疗科技股份有限公司 | Nail bin assembly of straight line suturing device and straight line suturing device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3213304A1 (en) * | 1982-04-08 | 1983-10-13 | Günter 6380 Bad Homburg Okun | Clip suturing apparatus |
| EP0489436A1 (en) * | 1990-12-06 | 1992-06-10 | United States Surgical Corporation | Surgical fastening apparatus with locking mechanism |
| EP1550412A2 (en) * | 2003-12-30 | 2005-07-06 | Ethicon Endo-Surgery, Inc. | Knife retraction arm for a curved cutter stapler |
| CN1951333A (en) * | 2005-09-26 | 2007-04-25 | 伊西康内外科公司 | Surgical stapling instrument having end effector gripping surfaces |
| CN101507628A (en) * | 2008-02-14 | 2009-08-19 | 伊西康内外科公司 | Surgical cutting and fastening instrument having RF electrodes |
| CN101543417A (en) * | 2008-02-13 | 2009-09-30 | 伊西康内外科公司 | Surgical stapling instrument with improved firing trigger arrangement |
| CN201806743U (en) * | 2009-10-26 | 2011-04-27 | 北京中法派尔特医疗设备有限公司 | Linear stapler |
| US20110155780A1 (en) * | 2009-12-30 | 2011-06-30 | Ethicon Endo-Surgery, Inc. | Dampening device for endoscopic surgical stapler |
| CN102368957A (en) * | 2009-02-06 | 2012-03-07 | 伊西康内外科公司 | Driven surgical stapler improvements |
| CN202619745U (en) * | 2012-05-04 | 2012-12-26 | 北京中法派尔特医疗设备有限公司 | Suture instrument and jaw assembly thereof |
-
2012
- 2012-05-04 CN CN201210135897.XA patent/CN102657544B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3213304A1 (en) * | 1982-04-08 | 1983-10-13 | Günter 6380 Bad Homburg Okun | Clip suturing apparatus |
| EP0489436A1 (en) * | 1990-12-06 | 1992-06-10 | United States Surgical Corporation | Surgical fastening apparatus with locking mechanism |
| EP1550412A2 (en) * | 2003-12-30 | 2005-07-06 | Ethicon Endo-Surgery, Inc. | Knife retraction arm for a curved cutter stapler |
| CN1951333A (en) * | 2005-09-26 | 2007-04-25 | 伊西康内外科公司 | Surgical stapling instrument having end effector gripping surfaces |
| CN101543417A (en) * | 2008-02-13 | 2009-09-30 | 伊西康内外科公司 | Surgical stapling instrument with improved firing trigger arrangement |
| CN101507628A (en) * | 2008-02-14 | 2009-08-19 | 伊西康内外科公司 | Surgical cutting and fastening instrument having RF electrodes |
| CN102368957A (en) * | 2009-02-06 | 2012-03-07 | 伊西康内外科公司 | Driven surgical stapler improvements |
| CN201806743U (en) * | 2009-10-26 | 2011-04-27 | 北京中法派尔特医疗设备有限公司 | Linear stapler |
| US20110155780A1 (en) * | 2009-12-30 | 2011-06-30 | Ethicon Endo-Surgery, Inc. | Dampening device for endoscopic surgical stapler |
| CN202619745U (en) * | 2012-05-04 | 2012-12-26 | 北京中法派尔特医疗设备有限公司 | Suture instrument and jaw assembly thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105434003A (en) * | 2015-12-22 | 2016-03-30 | 北京派尔特医疗科技股份有限公司 | Nail bin assembly of straight line suturing device and straight line suturing device |
| CN105434003B (en) * | 2015-12-22 | 2018-01-30 | 北京派尔特医疗科技股份有限公司 | A kind of Linear stapler nail bin groupware and Linear stapler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102657544B (en) | 2014-06-25 |
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