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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0931528 (2001-08-16) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 506 인용 특허 : 21 |
Methods and apparatus for delivering a medical instrument over the exterior of an endoscope while the endoscope is installed in the patient's body allow the use of instruments which are too large to fit through the lumena of an endoscope. Furthermore, the invention allows the elimination of working
Methods and apparatus for delivering a medical instrument over the exterior of an endoscope while the endoscope is installed in the patient's body allow the use of instruments which are too large to fit through the lumena of an endoscope. Furthermore, the invention allows the elimination of working lumena in an endoscope thereby minimizing the likelihood of contamination.
1. An apparatus for delivering a medical instrument over an endoscope to a procedural site while the endoscope is in a body lumen, said apparatus comprising: a) a collar dimensioned to fit over the endoscope and having a radial opening such that said collar may be fit over the endoscope radially;
1. An apparatus for delivering a medical instrument over an endoscope to a procedural site while the endoscope is in a body lumen, said apparatus comprising: a) a collar dimensioned to fit over the endoscope and having a radial opening such that said collar may be fit over the endoscope radially; b) a medical instrument coupled to said collar; and c) actuation means coupled to said medical instrument for remotely operating said medical instrument, wherein said medical instrument includes a pair of opposed jaws. 2. An apparatus according to claim 1, wherein: said actuation means includes a flexible coil and a pull wire coupled to said jaws and a manually operable actuator coupled to said coil and pull wire. 3. An apparatus according to claim 2, wherein: said jaws have a locking cam such that they can be locked in the closed position, and said jaws are separable from said coil and pull wire. 4. An apparatus according to claim 1, wherein: said collar includes a plurality of spaced apart resilient straps. 5. An apparatus according to claim 1, wherein: said collar is a flexible sheath and said radial opening is a reclosable seam. 6. An apparatus according to claim 5, wherein: said reclosable seam is selected from the group consisting of a zipper, a ZIPLOC�, VELCRO�, an adhesive tape, snaps, and buttons. 7. An apparatus according to claim 1, wherein: said collar is a bifurcated cylinder having a live hinge and a locking clip. 8. An apparatus according to claim 7, wherein: said collar has an interior low friction surface. 9. An apparatus according to claim 8, wherein: said low friction surface is a slippery coating. 10. An apparatus according to claim 8, wherein: said low friction surface includes a plurality of cilia. 11. A method for delivering a medical instrument, the medical instrument including a pair of opposed jaws, over an endoscope to a procedural site while the endoscope is in a body lumen; said method comprising: a) attaching a medical instrument to a collar dimensioned to fit over the endoscope and having a radial opening such that said collar may be fit over the endoscope radially; b) attaching the collar to the endoscope by moving it radially over the endoscope; c) advancing the collar with the medical instrument along the surface of the endoscope to the procedural site; and d) opening and/or closing the jaws at the procedural site. 12. A method according to claim 11, wherein the endoscope has a working lumen, said method further comprising: e) closing the jaws onto a tissue; f) delivering a treating instrument through the working lumen of the endoscope to the tissue; and g) treating the tissue with the treating instrument while the tissue is grasped by the jaws of the medical instrument. 13. A method according to claim 11, further comprising: e) closing the jaws onto a tissue; f) locking the jaws closed; and g) detaching the jaws from the medical instrument. 14. A method according to claim 11, wherein: said collar includes a plurality of spaced apart resilient straps, and said step of attaching the collar to the endoscope includes placing the collar with its straps open adjacent the endoscope and closing the straps over the endoscope. 15. A method according to claim 11, wherein: said collar is a flexible sheath, said radial opening is a reclosable seam, and said step of attaching the collar to the endoscope includes placing the endoscope into the open seam and closing the reclosable seam. 16. A method according to claim 11, wherein: said collar is a bifurcated cylinder having a living hinge and a locking clip, and said step of attaching the collar to the endoscope includes closing the cylinder over the endoscope and locking it with the locking clip.
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