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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0350758 (1989-05-12) |
| 발명자 / 주소 |
|
| 인용정보 | 피인용 횟수 : 521 인용 특허 : 7 |
The stapling processes described herein comprise those suitable for stapling a patient\s mesentery and omentum with three or four rows of staples being substantially parallel to each other and the staples in one row being staggered with staples of the same size in another row, there being at least o
The stapling processes described herein comprise those suitable for stapling a patient\s mesentery and omentum with three or four rows of staples being substantially parallel to each other and the staples in one row being staggered with staples of the same size in another row, there being at least one row in which the staples differ in size from the staples in the other rows. Advantageously the larger staples are 30-50 percent larger, preferably about 33 percent larger than the smaller staples. Also advantageously the smaller staples are similar to those presently used as vascular staples, in the range of 2.5-3.5 mm, preferably about 3 mm, and the larger staples are advantageously in the range of 3.5-4.5 mm, preferably about 4 mm. This arrangement is capable of satisfactorily sealing off the variety of sizes of blood vessels and holding firmly the fatty tissue found in the mesentery and in the omentum. Other arrangements of staples have been designated to effect similar results in the mesentery in which the smaller and larger staples are arranged alternately in the same row so that the gaps between staples are covered by staples staggered therewith in an adjacent row of staples.
A process for preparing a mesentery of the abdomen for subsequent removal of at least a portion of the bowel comprising the step of preventing the flow of blood from blood vessels leading to the section of the bowel to be removed comprising the step of applying staples across at least a portion of t
A process for preparing a mesentery of the abdomen for subsequent removal of at least a portion of the bowel comprising the step of preventing the flow of blood from blood vessels leading to the section of the bowel to be removed comprising the step of applying staples across at least a portion of the web of the mesentery, said staples comprising an arrangement of staples of different sizes selected from the group consisting of: (a) two adjacent parallel rows of staples having the staples in each row alternating in size, with the staples in one row staggered with the staples in the other adjacent row, the smaller sized staples being long enough to bridge the gap between staples and to overlap at least a portion of the two adjacent staples and the larger sized staples having a length in the range of at least 30 percent larger than said smaller staples and up to a length sufficient to overlap the entire length of the smaller staple plus the two adjacent gaps between staples and at least a portion of each of the adjacent longer staples in the adjacent parallel row of staples, and (b) two parallel rows of identically sized staples, the staples in one of said rows being staggered with the staples in the other row, and also a third row of staples parallel to said first two rows of staples and having a dimension in the main portion thereof different from the dimension of the main portion of the staples in said first two rows, there being at least 30 percent difference in said dimension sizes, in which said three rows of staples the middle row of staples is positioned approximately equidistant between the other two rows of staples.
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