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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0022207 (2011-02-07) |
| 등록번호 | US-8353092 (2013-01-15) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 480 |
A surgical fastener comprising a clip movable between an open configuration and a closed configuration and a biasing member contacting the clip and biasing the dip to its open configuration when the biasing member is actuated. The biasing member and clip both tend to assume the closed configuration
A surgical fastener comprising a clip movable between an open configuration and a closed configuration and a biasing member contacting the clip and biasing the dip to its open configuration when the biasing member is actuated. The biasing member and clip both tend to assume the closed configuration when no external forces are applied to them. A needle may be releasably attached to the clip. Methods for making the fasteners are also disclosed, in which both the clip and the biasing member are set in the closed position.
1. A method of making a surgical fastener, comprising: forming a clip element, formed of a shape memory material, into a predetermined closed configuration;positioning a coil over at least a portion of extension of said clip element;setting said clip element and said coil into said predetermined clo
1. A method of making a surgical fastener, comprising: forming a clip element, formed of a shape memory material, into a predetermined closed configuration;positioning a coil over at least a portion of extension of said clip element;setting said clip element and said coil into said predetermined closed configuration to form a fastener comprising said clip element and said coil wherein each has a memory configuration which is said predetermined closed configuration. 2. The method of claim 1, further comprising: after said forming said clip element, setting said clip element by heating said clip element at a predetermined temperature for a predetermined time. 3. The method of claim 2, wherein said heating comprises heating at a temperature ranging from about 450° C. to less than about 500° C., and said predetermined time comprises a range from about one to twenty minutes. 4. The method of claim 3, wherein said heating comprises heating at about 475° C. and said predetermined time comprises about six minutes. 5. The method of claim 1, wherein said setting said clip element and said coil comprises heating said clip element and said coil in a salt bath at a predetermined temperature for a predetermined time. 6. The method of claim 5, wherein said heating comprises heating at about 500° C.-530° C. and said predetermined time comprises about one to six minutes. 7. The method of claim wherein said heating comprises heating at about 15° C. and said predetermined time comprises about two minutes. 8. The method of claim 1, further comprising: integrally attaching said coil to said clip element to form said fastener. 9. The method of claim 1, further comprising: prior to said positioning said coil over said clip element, forming said coil in a straight axial configuration by winding said coil around a mandrel; andsetting said coil in said straight axial configuration by heating said coil and said mandrel at a predetermined temperature for a predetermined time. 10. The method of claim 9, wherein said heating comprises heating at a temperature ranging from about 450° C. to less than about 500° C., and said predetermined time comprises a range from about one to twenty minutes. 11. The method of claim 10, wherein said heating comprises heating at about 475° C. and said predetermined time comprises about six minutes. 12. The method of claim 9, wherein said coil comprises a double coil formed by wrapping two wires side by side around said mandrel. 13. The method of claim 12, comprising using Nitinol wires to form said double coil. 14. The method of claim 9, wherein said coil is formed by wrapping more than two wires side by side around said mandrel. 15. The method of claim 1, wherein said step of setting said clip element and said coil comprises setting said clip element and said coil at the same time. 16. The method of claim 1, wherein said step of setting said clip element and said coil comprises setting said clip element prior to setting said coil. 17. The method of claim 16, wherein said step of setting said coil also comprises secondarily setting said clip element along with said coil.
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