CN101716088B - Ejector pin sheet with knife for tubular anastomat - Google Patents
Ejector pin sheet with knife for tubular anastomat Download PDFInfo
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- CN101716088B CN101716088B CN2009102623612A CN200910262361A CN101716088B CN 101716088 B CN101716088 B CN 101716088B CN 2009102623612 A CN2009102623612 A CN 2009102623612A CN 200910262361 A CN200910262361 A CN 200910262361A CN 101716088 B CN101716088 B CN 101716088B
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- Prior art keywords
- ejector pin
- nail
- pushing slice
- pin gear
- gear piece
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- 230000002787 reinforcement Effects 0.000 claims description 25
- 230000003872 anastomosis Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009527 percussion Methods 0.000 abstract description 4
- 238000001356 surgical procedure Methods 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000025 haemostatic effect Effects 0.000 description 1
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Abstract
The invention discloses an ejector pin sheet with a knife for a tubular anastomat, comprising an ejector pin sheet and an annular knife. An ejector pin tooth sheet is arranged at the upper part of the ejector pin sheet, and a stay wire slot and a push rod connection hole are arranged at the middle part; the periphery of the ejector pin sheet is provided with a positioning groove which is located at the lower part of the ejector pin tooth sheet; a radial reinforcing rib is arranged at the inner side of the ejector pin tooth sheet at the upper part of the ejector pin sheet; and the annular knife is provided with flange sides that are connected as a whole and inlayed in the inner pore wall of the ejector pin sheet. The ejector pin sheet with the knife of the tubular anastomat has good effects of percussion and anastomosis shaping as well as high safety; the annular knife and the ejector pin sheet can be assembled firmly, and the concentricity of the annular knife and the ejector pin sheet is ensured, thereby ensuring even anastomosis after surgery and favorable surgery effect.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to a kind of band cutter formula pushing slice of nail of tube type anastomat.
Background technology
Operation is gastral main means of treatment and prefered method, and existing various types of Digective canal tubular anastomats just are being widely used in the human body alimentary canal tissue that coincide on the market in surgical operation, can reduce operating time, improve the operation quality, anastomotic stoma is solid and reliable, and haemostatic effect is good.And there is following shortcoming in the band cutter formula pushing slice of nail of existing tube type anastomat: on the one hand, the doctor is in operating process, pushing slice of nail is promoting the resistance that the anastomosis staple puncture is produced when organizing, may cause the fracture of the ejector pin gear piece on pushing slice of nail top, be difficult to guarantee ejector pin gear piece intensity in the practice, often cause the effect of the identical molding of percussion bad, greatly reduce the safety of operation.On the other hand, when the endless knife of tube type anastomat was welded on the boss of pushing slice of nail, it was solid to tend to occur not prison welding, the phenomenon that causes endless knife to occur coming off when serious; Simultaneously, also exist the welding depth degree of pad to differ, the welding spot welding that has gets deeply, the welding spot welding that has gets shallow, the bad grasp of the degree of depth of feasible welding, cause the endless knife out-of-flatness, the phenomenon of inclination appears, thereby make that the concentricity of endless knife and pushing slice of nail is poor, the doctor is when cutting and organizing, and tissue is run at the high position of the endless knife of inclination earlier, and tissue is not also run at the low position of endless knife, might cause tissue not cut off, also may cause the uneven phenomenon in the anastomosis of organizing after the surgical cut, again because the extending area of the boss of pushing slice of nail, has reduced the volume that holds cut tissue in the endless knife in the inboard of endless knife, influence surgical effect, cause operative failure when serious.
Summary of the invention
The objective of the invention is: the effective, safe of the identical molding of a kind of not only anastomat percussion is provided, and the fastness of endless knife and pushing slice of nail assembling is good, can also guarantee the concentricity of endless knife and pushing slice of nail, make that anastomosis, operation back is even, the pushing slice of nail of the band cutter formula of the tube type anastomat that surgical effect is good.
In order to achieve the above object, technical scheme of the present invention is: a kind of band cutter formula pushing slice of nail of tube type anastomat, comprise pushing slice of nail and endless knife, described pushing slice of nail top is provided with the ejector pin gear piece, the middle part is provided with backguy groove and push rod connecting hole, the periphery of described pushing slice of nail is provided with locating slot, and locating slot is positioned at the bottom of ejector pin gear piece, the inboard of the ejector pin gear piece on described pushing slice of nail top is provided with radial reinforcement, described endless knife has the flange that is connected as a single entity, and the flange of described endless knife is inlaid in the inner hole wall of pushing slice of nail.
The radial reinforcement of described pushing slice of nail comprises several radial long reinforcements and radial short reinforcement, the outer ring on described pushing slice of nail top has several ejector pin gear pieces, the inner ring on top has several ejector pin gear pieces, and each long reinforcement lays respectively at the inboard of each ejector pin gear piece of outer ring, and each short reinforcement lays respectively at the inboard of each ejector pin gear piece of inner ring.
Described long reinforcement and short reinforcement are along the alternate layout of circumferencial direction of pushing slice of nail, and the ejector pin gear piece number of the ejector pin gear piece of the outer ring of pushing slice of nail and inner ring equates.
The number of the ejector pin gear piece of the outer ring of described pushing slice of nail and the ejector pin gear piece of inner ring is controlled at respectively in 5～90 scopes.
The number of the ejector pin gear piece of the outer ring of described pushing slice of nail and the ejector pin gear piece of inner ring is respectively 16.
The flange of described endless knife has several gap of evenly arranging.
The number of the gap of the flange of described endless knife is controlled in 2～50 scopes.
The beneficial effect that the present invention had is: owing to be provided with radial reinforcement week in the top of the pushing slice of nail of tube type anastomat of the present invention, the doctor is in operating process, pushing slice of nail is promoting the resistance that the anastomosis staple puncture is produced when organizing, the ejector pin gear piece on pushing slice of nail top is difficult for occurring the phenomenon of fracture again, thereby guaranteed the intensity of ejector pin gear piece, improved the percussion match result, improved the safety of operation greatly, again because the endless knife periphery has the flange that is connected as a single entity, the flange of endless knife is inlaid in the inner hole wall of pushing slice of nail, the phenomenon that endless knife can not occur coming off, make fastness good, the reliability height, also can guarantee the flatness after endless knife and pushing slice of nail assemble, make endless knife and pushing slice of nail concentricity height, avoid surgical cut to close the uneven phenomenon in anastomosis of back tissue, increased the volume of accommodating tissue in the pushing slice of nail simultaneously, promptly can hold the doctor at the bigger tissue of removal volume, improve the surgical stapling effect.
Description of drawings
Fig. 1 is the structural representation of the band cutter formula pushing slice of nail of tube type anastomat of the present invention;
Fig. 2 is the structural representation of pushing slice of nail among Fig. 1;
Fig. 3 be among Fig. 1 A to view;
Fig. 4 is the structural representation of endless knife among Fig. 1,
Fig. 5 is along the cutaway view of B-B direction among Fig. 4;
Fig. 6 is the I portion enlarged drawing among Fig. 1;
Fig. 7 is along the cutaway view of C-C direction among Fig. 3.
The specific embodiment
Below in conjunction with the embodiment that accompanying drawing provides, the present invention is described in further detail.
Shown in Fig. 1,2,3,4,5,6,7, a kind of band cutter formula pushing slice of nail of tube type anastomat, comprise pushing slice of nail 1 and endless knife 2, described pushing slice of nail 1 top is provided with ejector pin gear piece 1-1, the middle part is provided with backguy groove 1-2 and push rod connecting hole 1-5, the periphery of described pushing slice of nail 1 is provided with locating slot 1-3, and locating slot 1-3 is positioned at the bottom of ejector pin gear piece 1-1, the inboard of the ejector pin gear piece on described pushing slice of nail top is provided with radial reinforcement 1-4, described endless knife 2 has the flange 2-1 that is connected as a single entity, and the flange 2-1 of described endless knife 2 is inlaid in the inner hole wall of pushing slice of nail 1.
As Fig. 1; 3; 6; shown in 7; in order to strengthen each the intensity of ejector pin gear piece 1-1 of pushing slice of nail 1 top; make good operation effect; the radial reinforcement 1-4 of described pushing slice of nail 1 comprises several radial long reinforcement 1-4-1 and radial short reinforcement 1-4-2; the outer ring on described pushing slice of nail 1 top has several ejector pin gear pieces 1-1-1; the inner ring on top has several ejector pin gear pieces 1-1-2; and each long reinforcement 1-4-1 lays respectively at the inboard of each ejector pin gear piece 1-1-1 of outer ring; each short reinforcement 1-1-2 lays respectively at the inboard of each ejector pin gear piece 1-1-2 of inner ring; its objective is at the doctor in the process of operation; the pushing slice of nail of tube type anastomat is promoting the resistance that the anastomosis staple puncture is produced when organizing; the phenomenon that ejector pin gear piece 1-1 fracture usually can occur, and the measure of taking.
As shown in Figure 3, for the outer ring that further guarantees pushing slice of nail 1 top and several ejector pin gear piece 1-1-1 that inner ring has respectively and the intensity of ejector pin gear piece 1-1-2, described long reinforcement 1-4-1 and short reinforcement 1-4-2 are along the alternate layout of circumferencial direction of pushing slice of nail 1, and the ejector pin gear piece 1-1-2 number of the ejector pin gear piece 1-1-1 of the outer ring of pushing slice of nail 1 and inner ring equates, has improved the effect of operation back anastomosis molding greatly.
As shown in Figure 3, in order to be suitable for the tube type anastomat of dissimilar and specification, the number of the ejector pin gear piece 1-1-2 of the ejector pin gear piece 1-1-1 of the outer ring of described pushing slice of nail 1 and inner ring is controlled at respectively in 5～90 scopes, and the number of the ejector pin gear piece 1-1-2 of the ejector pin gear piece 1-1-1 of the outer ring of pushing slice of nail of the present invention 1 and inner ring is respectively 16.
Shown in Fig. 1,4,5, in order further to improve the fastness between endless knife 2 and the pushing slice of nail 1, the flange 2-1 of described endless knife 2 has several gap 2-1-1 that evenly arranges, the number of the gap 2-1-1 of the flange 2-1 of described endless knife 2 is controlled in 2～50 scopes.
When the present invention assembles, earlier anastomosis staple is contained in the nail bin, again nail bin is contained in the head of nail bin cover, backguy groove on the excircle of nail bin cover middle part matches with the backguy groove 1-2 that pushing slice of nail 1 periphery is provided with, the locating slot 1-3 of pushing slice of nail 1 periphery is sleeved in the nail bin cover, the flange 2-1 of described endless knife 2 is inlaid in the inner hole wall of pushing slice of nail 1, anastomosis cut component (comprising nail bin, nail bin cover, pushing slice of nail and endless knife) is contained on one's body the tube type anastomat device at last, promptly can be used in the operation process, shorten operating time, improve operation efficient, alleviate the patient suffering.
Claims (5)
1. the band cutter formula pushing slice of nail of a tube type anastomat, comprise pushing slice of nail (1) and endless knife (2), described pushing slice of nail (1) top is provided with ejector pin gear piece (1-1), the middle part is provided with backguy groove (1-2) and push rod connecting hole (1-5), the periphery of described pushing slice of nail (1) is provided with locating slot (1-3), and locating slot (1-3) is positioned at the bottom of ejector pin gear piece (1-1), it is characterized in that:
The inboard of the ejector pin gear piece (1-1) on a, described pushing slice of nail (1) top is provided with radial reinforcement (1-4),
B, described endless knife (2) have the flange (2-1) that is connected as a single entity, and the flange (2-1) of described endless knife (2) is inlaid in the inner hole wall of pushing slice of nail (1),
The reinforcement radially (1-4) of c, described pushing slice of nail (1) comprises several long reinforcements (1-4-1) radially and short reinforcement (1-4-2) radially; The outer ring on described pushing slice of nail (1) top has several ejector pin gear pieces (1-1-1); The inner ring on top has several ejector pin gear pieces (1-1-2); And each long reinforcement (1-4-1) lays respectively at the inboard of each ejector pin gear piece (1-1-1) of outer ring; Each short reinforcement (1-1-2) lays respectively at the inboard of each ejector pin gear piece (1-1-2) of inner ring
D, described long reinforcement (1-4-1) and short reinforcement (1-4-2) are along the alternate layout of circumferencial direction of pushing slice of nail (1), and ejector pin gear piece (1-1-2) number of the number of the ejector pin gear piece (1-1-1) of the outer ring of pushing slice of nail (1) and inner ring equates.
2. the band cutter formula pushing slice of nail of tube type anastomat according to claim 1, it is characterized in that: the number of the ejector pin gear piece (1-1-1) of the outer ring of described pushing slice of nail (1) and the ejector pin gear piece (1-1-2) of inner ring is controlled at respectively in 5～90 scopes.
3. the band cutter formula pushing slice of nail of tube type anastomat according to claim 2, it is characterized in that: the number of the ejector pin gear piece (1-1-1) of the outer ring of described pushing slice of nail (1) and the ejector pin gear piece (1-1-2) of inner ring is respectively 16.
4. the band cutter formula pushing slice of nail of tube type anastomat according to claim 1 is characterized in that: the flange (2-1) of described endless knife (2) has several gap of evenly arranging (2-1-1).
5. the band cutter formula pushing slice of nail of tube type anastomat according to claim 4, it is characterized in that: the number of the gap (2-1-1) of the flange (2-1) of described endless knife (2) is controlled in 2～50 scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102623612A CN101716088B (en) | 2009-12-15 | 2009-12-15 | Ejector pin sheet with knife for tubular anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102623612A CN101716088B (en) | 2009-12-15 | 2009-12-15 | Ejector pin sheet with knife for tubular anastomat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716088A CN101716088A (en) | 2010-06-02 |
| CN101716088B true CN101716088B (en) | 2011-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102623612A Active CN101716088B (en) | 2009-12-15 | 2009-12-15 | Ejector pin sheet with knife for tubular anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101716088B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429694B (en) * | 2011-12-31 | 2013-10-02 | 北京中法派尔特医疗设备有限公司 | Linear cutting stitching instrument adopting pulling-back way |
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- 2009-12-15 CN CN2009102623612A patent/CN101716088B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101716088A (en) | 2010-06-02 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHANGZHOU JIANRUIBAO MEDICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: LI DONGRUI Effective date: 20130603 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130603 Address after: Hutang town Wujin District Jiangsu city of Changzhou Province, 213116 New Road No. 128 Hutang Branch Park building 7A Patentee after: Changzhou Healthypower Medical Instrument Co., Ltd. Address before: 213116 Jiangsu province Changzhou Jiaoxi town Wujin District Xingou bridge village of bast Bridge No. 56 Patentee before: Li Dongrui |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213000 block B, 26 Huashan Middle Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Jiangsu jianruibao Medical Technology Co., Ltd Address before: Hutang town Wujin District Jiangsu city of Changzhou Province, 213116 New Road No. 128 Hutang Branch Park building 7A Patentee before: CHANGZHOU HEALTHYPOWER MEDICAL INSTRUMENT Co.,Ltd. |