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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0947864 (1992-09-21) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 619 인용 특허 : 0 |
A linear surgical stapling instrument includes a magazine for holding a plurality of undeformed surgical staples, and an upper jaw carrying the magazine and having opposed distal and proximal ends. An anvil is formed with staple-deforming pockets, and a lower jaw carries the anvil and has opposing d
A linear surgical stapling instrument includes a magazine for holding a plurality of undeformed surgical staples, and an upper jaw carrying the magazine and having opposed distal and proximal ends. An anvil is formed with staple-deforming pockets, and a lower jaw carries the anvil and has opposing distal and proximal ends respectively configured to mate with the distal and proximal ends of the upper jaw thereby to place the magazine and the anvil in confronting relation. A staple driver is carried in the upper jaw for driving staples held therein toward the anvil. Further, the upper and lower jaws are configured such that, when their respective distal and proximal ends are mated, a gap exists between the jaws in an intermediate region between their respective distal and proximal ends. Finally, a pivotably mounted clamp bar joins the upper and lower jaws and when actuated compresses them together in the intermediate region thereby to narrow the gap and to increase the clamping pressure between the magazine and the anvil. The instrument also includes a blocking system that prevents the jaws from being remated, once having been mated and having had staples in the magazine driven toward the anvil. Still further, the instrument includes a coupling device for coupling the jaws and clamp bar together when the staple driver is actuated.
A linear surgical stapling instrument, comprising: (a) a magazine for holding a plurality of undeformed surgical staples in a linear row; (b) an upper jaw carrying said magazine; (c) an anvil formed with staple-deforming pockets therein; (d) a lower jaw carrying said anvil, said upper and lower jaws
A linear surgical stapling instrument, comprising: (a) a magazine for holding a plurality of undeformed surgical staples in a linear row; (b) an upper jaw carrying said magazine; (c) an anvil formed with staple-deforming pockets therein; (d) a lower jaw carrying said anvil, said upper and lower jaws each other to position said magazine and said anvil in confronting relation; (e) a clamp bar mounted with one of said upper jaw and said lower jaw for movement between a clamping position in which it clamps said upper and lower jaws together when mated with each other and a release position in which it releases said upper and lower jaws from each other; (f) drive means mounted in said upper jaw for movement from one end thereof toward said magazine for driving said staples from said magazine toward said anvil, said drive means including coupling means for coupling both said upper and lower jaws together and for coupling said clamp bar in the clamping position when said drive means is moved from the one end toward the magazine; and (g) antifriction means cooperating with said upper jaw and said drive means for reducing friction during said movement of said drive means, wherein said upper jaw comprises an elongate slot, a portion of said drive means being received in said slot for reciprocal sliding movement from said one end toward said magazine; wherein said clamp bar comprises an elongate channel complementary to said slot; and wherein said coupling means comprises a channel follower mounted with said drive means to be received in and slide in said channel when said clamp means is moved to the clamping position and said drive means is moved from the one end toward the magazine; and further wherein, said drive means comprises a manually manipulable actuator button, wherein said portion of said drive means comprises a driving finger mounted on said actuator button and received for said sliding movement in said slot and wherein said channel follower comprises a coupling finger mounted on said actuator button to be received in said channel when said upper and lower jaws are clamped together. The linear surgical stapling instrument according to claim 11, wherein said driving means comprises a manually manipulatable actuator including means providing a surface facing the distal ends of said upper and lower jaws engageable by a portion of a surgeon\s thumb and having ridge means for properly locating said portion.
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