Surgical clip
First Claim
1. A surgical clip which comprises:
- a) a bail portion having first and second linear back portions joined to each other at an apex, wherein each of the first and second back portions has an exterior surface and an interior surface;
b) first and second rectilinear legs, each leg having a distal free end and fan interior tissue contacting surface and an exterior-surface for receiving a compressive force, each leg being joined to a respective one of the first and second back portions and moveable in response to an externally applied compressive force from an initial spaced apart open configuration to a closed configuration,wherein the first and second legs are initially substantially parallel to each other and remain substantially parallel to each other during the process of moving from the open configuration to the closed configuration.
1 Assignment
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Accused Products
Abstract
A surgical clip with advantageous closure characteristics is disclosed which includes a bail portion having first and second back portions joined at an apex, and rectilinear leg portions extending from the back portions. The apex is preferably characterized by an angle of no more than about 100°. Preferably the outer surface of at least one back portion includes a compression ridge to concentrate the compression force applied by the jaws of the applying instrument to a preselected region of the clip. The legs retain their parallelism while the clip is being closed. Additional features include interlocking ridges and/or projections on one of the legs which engage corresponding recesses on the other leg to enhance clip retention on tissue and to help minimize twisting and/or scissoring of the clip legs during closure.
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Citations
20 Claims
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1. A surgical clip which comprises:
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a) a bail portion having first and second linear back portions joined to each other at an apex, wherein each of the first and second back portions has an exterior surface and an interior surface; b) first and second rectilinear legs, each leg having a distal free end and fan interior tissue contacting surface and an exterior-surface for receiving a compressive force, each leg being joined to a respective one of the first and second back portions and moveable in response to an externally applied compressive force from an initial spaced apart open configuration to a closed configuration, wherein the first and second legs are initially substantially parallel to each other and remain substantially parallel to each other during the process of moving from the open configuration to the closed configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A surgical clip which comprises:
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a) a bail portion having first and second arcuate back portions joined to each other at an apex, each of the first and second back portions having an exterior surface and an interior surface, wherein the exterior surface of the second back portion includes an elongated ridge extending along the orientation thereof, and wherein the apex is characterized by an angle of no greater than about 100°
, the arcuate back portions having no curve with a radius of curvature less than six times that of the apex; andb) first and second rectilinear legs, each leg having a distal free end and an interior tissue contacting surface and an exterior surface for receiving a compressive force, each leg being joined to a respective one of the first and second back portions and moveable in response to an externally applied compressive force from an initial spaced apart, open configuration to a closed configuration, wherein the first and second legs are initially substantially parallel to each other and remain substantially parallel to each other during the process of moving from the open configuration to the closed configuration. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. In combination with a surgical clip applying apparatus having a pair of opposing jaws for compressing the legs of a surgical clip from an open position to a closed position, at least one surgical clap which comprises:
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a) a bail portion having first and second curved back portions joined to each other at an apex, each of the first and second back portions having an exterior surface and an interior surface, wherein the exterior surface of the second back portion includes an elongated ridge extending along the arcuate orientation thereof, and wherein the apex is characterized by an angle of no greater than about 100°
; andb) first and second rectilinear legs, each leg having a distal free end and an interior tissue contacting surface and an exterior surface for receiving a compressive force, each leg being joined to a respective one of the first and second back portions and moveable in response to an externally applied compressive force from said opposing jaws from an initial spaced apart open configuration to a closed configuration, wherein the first and second legs are initially substantially parallel to each other and remain substantially parallel to each other during the process of moving from the open configuration to the closed configuration. - View Dependent Claims (19, 20)
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Specification