Anastomotic instrument
First Claim
Patent Images
1. An anastomotic instrument comprising:
- an elongated housing having a first end and a second end;
a closure member fixed at said first end of said housing, said closure member having a plurality of needle guide holes extending therethrough;
a needle driving plunger, slidably disposed in said housing, for moving needles through said needle guide holes;
a plunger rod having a first end connected to a rear side of said plunger, and a second end extending through said second end of said housing;
an actuator member connected to said second end of said plunger rod; and
an end cap detachably connected to said first end of said housing for covering leading ends of needles loaded in said housing and extending through said closure member.
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Abstract
An anastomotic instrument is provided for use in the performance of an anastomosis after a prostate has been removed. The instrument has an elongated housing, and an end plate fixed at an end of the housing. Provided in the end plate are a plurality of needle guide holes. A needle driving plunger is provided in the housing to move needles loaded in the instrument through the needle guide holes. The plunger is advanced by a plunger rod connected to an actuator mechanism upon depression thereof by a surgeon. An end cap is detachably connected to the housing for the purpose of covering exposed tips of the needles loaded in the housing.
181 Citations
15 Claims
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1. An anastomotic instrument comprising:
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an elongated housing having a first end and a second end; a closure member fixed at said first end of said housing, said closure member having a plurality of needle guide holes extending therethrough; a needle driving plunger, slidably disposed in said housing, for moving needles through said needle guide holes; a plunger rod having a first end connected to a rear side of said plunger, and a second end extending through said second end of said housing; an actuator member connected to said second end of said plunger rod; and an end cap detachably connected to said first end of said housing for covering leading ends of needles loaded in said housing and extending through said closure member. - View Dependent Claims (2, 3, 4, 5, 12, 13, 14, 15)
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6. An anastomotic instrument comprising:
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a housing having a hollow elongated body, a front end and a rear end, wherein said front end includes a plurality of guide holes; a plurality of needles positioned in said hollow elongated body and extending into said guide holes, respectively; a needle driving plunger movable disposed in said housing and contacting a trailing end of each of said needles in order to drive said needles through said guide holes formed in said front end; and a plunger advancement device for effecting movement of said needle driving plunger, said plunger advancement device having a first end connected to a rear side of said plunger, and a second end extending through said second end of said housing. - View Dependent Claims (7, 8, 9, 10, 11)
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Specification