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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0254625 (2008-10-20) |
| 등록번호 | US-8123767 (2012-02-28) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 493 인용 특허 : 26 |
A buttress for use with circular surgical staplers that does not require adhesive to securely fasten the buttress to the stapler. Following cutting and stapling by the circular stapler, the buttress has an adaptive opening through its central region with a diameter smaller than the outer diameter of
A buttress for use with circular surgical staplers that does not require adhesive to securely fasten the buttress to the stapler. Following cutting and stapling by the circular stapler, the buttress has an adaptive opening through its central region with a diameter smaller than the outer diameter of the stapler anvil. Because of relief features built into the buttress, the stapler anvil may be pulled through the buttress material without causing permanent alteration to the buttress. These relief features may be provided regardless of whether the buttress is made of inelastic or elastic materials. The buttress is generally circular in shape with an outer diameter sized to coincide with the outer diameter of the stapler body staple compression surface and the outer diameter of the anvil compression surface of a circular stapler with which it is used. Prior to surgical use, the buttress is attached to the stapler with disruptable portions extending from outer perimetal areas of the buttress.
1. A implantable medical device for use with a circular stapler adapted to create a substantially circular hole in a patient, said circular stapler having a stapler anvil portion with a first compression surface and a stapler body portion with a second compression surface, said implantable medical d
1. A implantable medical device for use with a circular stapler adapted to create a substantially circular hole in a patient, said circular stapler having a stapler anvil portion with a first compression surface and a stapler body portion with a second compression surface, said implantable medical device comprising: a first buttress made of a bioabsorbable web material having a first contact surface adapted to attach to said stapler anvil without use of an adhesive on said first compression surface and said first contact surface;a second buttress made of a bioabsorbable web material having a second contact surface adapted to attach to said stapler body without use of an adhesive on said second compression surface and said second contact surface;at least one protrusion disruptably connected to said second buttress, said protrusion having an adhesive on at least a portion thereof to attach said second buttress to said stapler body portion; andwherein the first and second buttresses reinforce said hole created by said stapler in said patient when staples are applied and both have an adaptive opening therethrough formed from a series of slits positioned between inner and outer edges of the first and second buttresses. 2. The implantable medical device of claim 1 further comprising a removable covering placed over said adhesive on said protrusion. 3. The implantable medical device of claim 1 further comprising at least one protrusion disruptably connected to said first buttress, said protrusion having an adhesive on at least a portion thereof to attach said first buttress to said stapler anvil portion. 4. The implantable medical device of claim 3 further comprising a removable covering placed over said adhesive on said protrusion. 5. The implantable medical device of claim 1 wherein the stapler includes an anvil that is larger in diameter than the circular hole that is created by the stapler. 6. The implantable medical device of claim 1 wherein said bioabsorbable web material comprises non-woven self-cohered filaments. 7. The implantable medical device of claim 6, wherein said self-cohered filament comprise a block copolymer of poly(glycolide:trimethylene carbonate). 8. The implantable medical device of claim 1 wherein said buttress material includes a filler. 9. The implantable medical device of claim 8 wherein the filler includes a therapeutic agent. 10. The implantable medical device of claim 8 wherein the filler includes a bioactive agent.
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