Surgical staple inserter
First Claim
1. A surgical staple inserter assembly for joining two ducts including a vessel and a tubular vessel prosthesis, said assembly having a longitudinal axis, a proximal end portion and a distal end portion and comprising:
- an internal part to be received inside the ducts and an external part to remain outside the ducts;
one of said internal and external parts including a staple holder containing a series of staples, each said staple having two points joined together by a crosspiece, said staples being disposed in at least one ring arranged concentrically of said axis with said points oriented radially of said axis, said staple holder including members to eject said staples;
the other of said internal and external parts including an anvil;
means for effecting a relative movement radially of said axis between said anvil and said staple holder between a radially expanded position and a radially contracted position;
a tubular vessel prosthesis placed over a portion of said internal part; and
point members projecting from said internal part and penetrating into a wall of said prosthesis.
5 Assignments
0 Petitions
Accused Products
Abstract
A surgical staple inserter for joining two ducts such as a blood vessel and a blood prosthesis. The staple inserter ejects staples in a radial direction relative to the axis of the ducts. In one embodiment, it includes a staple holder surrounded by the prosthesis and containing a series of staples arranged in at least one ring. All the staples are ejected simultaneously. The staple inserter also includes an anvil outside the organic duct, and a device for spacing apart the anvil and the staple holder in relation to their relative working positions. Projections hold the prosthesis in place during the insertion of the staple holder into the ducts.
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Citations
19 Claims
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1. A surgical staple inserter assembly for joining two ducts including a vessel and a tubular vessel prosthesis, said assembly having a longitudinal axis, a proximal end portion and a distal end portion and comprising:
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an internal part to be received inside the ducts and an external part to remain outside the ducts; one of said internal and external parts including a staple holder containing a series of staples, each said staple having two points joined together by a crosspiece, said staples being disposed in at least one ring arranged concentrically of said axis with said points oriented radially of said axis, said staple holder including members to eject said staples; the other of said internal and external parts including an anvil; means for effecting a relative movement radially of said axis between said anvil and said staple holder between a radially expanded position and a radially contracted position; a tubular vessel prosthesis placed over a portion of said internal part; and point members projecting from said internal part and penetrating into a wall of said prosthesis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A surgical staple inserter assembly for joining two ducts including a vessel and a tubular vessel prosthesis, said assembly having a longitudinal axis and comprising:
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an internal part to be received inside the ducts and an external part to remain outside the ducts; one of said internal and external parts including a staple holder containing a series of staples, each said staple having two points joined together by a crosspiece, said staples being disposed in at least one ring arranged concentrically of said axis with said points oriented radially of said axis, said staple holder including members to eject said staples; the other of said internal and external parts including an anvil; means for effecting a relative movement radially of said axis between said anvil and said staple holder between a radially expanded position and a radially contracted position; and means for effecting a relative movement between said staple holder and said anvil along said axis in said radially expanded position.
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17. A surgical staple inserter assembly for joining two ducts including a vessel and a tubular vessel prosthesis, said assembly having a longitudinal axis, a distal end portion and a proximal end portion and comprising:
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an internal part to be received inside the ducts and an external part to remain outside the ducts; one of said internal and external parts including a staple holder containing a series of staples, each said staple having two points joined together by a crosspiece, said staples being disposed in at least one ring arranged concentrically of said axis with said points oriented radially of said axis, said staple holder including members to eject said staples; the other of said internal and external parts including an anvil; means for effecting a relative movement radially of said axis between said anvil and said staple holder between a radially expanded position and a radially contracted position; a tubular vessel prosthesis placed over a distal end portion of said internal part; a nose member at said distal end portion and including a proximal part having a tapered member to easily pass a vessel end over a distal part of said prosthesis; and means for radially varying a diameter of said tapered member between a first diameter which is greater than the diameter of said prosthesis in a ready position of said nose member and a second diameter which is less than said diameter of said prosthesis when said staples are to be ejected.
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18. A surgical staple inserter assembly for joining two ducts including a vessel and a tubular vessel prosthesis, said assembly having a longitudinal axis and comprising:
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an internal part to be received inside the ducts and an external part to remain outside the ducts; one of said internal and external parts including a staple holder containing a series of staples, each said staple having two points joined together by a crosspiece, said staples being disposed in at least one ring arranged concentrically of said axis with said points oriented radially of said axis and with said crosspiece of each said staple having a dimension axially of said axis greater than a peripheral dimension thereof, said staple holder including members to eject said staples; the other said internal and external parts including an anvil; means for effecting a relative movement radially of said axis between said anvil and said staple holder between a radially expanded position and a radially contracted position; and a tubular vessel prosthesis placed over a distal portion of said internal part. - View Dependent Claims (19)
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Specification