Purse string suture instrument
First Claim
1. A surgical instrument for applying purse string sutures to tissue, comprising:
- a pair of jaws each having a plurality of teeth for clamping the tissue therebetween;
a needle passage formed in each of said jaws and extending through the teeth on each jaw;
a pair of needles mounted on said jaws for movement through said passages;
a purse string suture attached to each of said needles;
means for advancing said needles along said jaws to move said purse string sutures through said needle passages and into said tissue; and
means on each of said jaws for capturing said needles after advancement of said needles through said needle passages.
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Accused Products
Abstract
A surgical instrument for applying purse string sutures to human tissue includes a pair of jaws on which a plurality of teeth are configured to firmly grip the tissue to be sutured and to pinch the tissue into a desirable configuration to receive the purse string sutures. The successive teeth on each jaw are alternately pointed and smooth with the pointed teeth on each jaw being opposed to the smooth teeth on the other jaw. A needle passage extends through the teeth on each jaw for guiding a needle attached to each purse string suture through the tissue which extends into the valleys on opposite sides of the teeth. A needle retainer is provided on each of the jaws for capturing the needles advanced through the needle passages. The needles are advanced by a pair of tubular sleeves which slide through the passages and receive the purse string sutures therein to guard the sutures against damage as the needles are advanced to draw the sutures through the passages. The tubular sleeves are attached to actuators which are operable simultaneously or independently so that one or more purse string sutures can be selectively applied to the tissue.
499 Citations
34 Claims
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1. A surgical instrument for applying purse string sutures to tissue, comprising:
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a pair of jaws each having a plurality of teeth for clamping the tissue therebetween; a needle passage formed in each of said jaws and extending through the teeth on each jaw; a pair of needles mounted on said jaws for movement through said passages; a purse string suture attached to each of said needles; means for advancing said needles along said jaws to move said purse string sutures through said needle passages and into said tissue; and means on each of said jaws for capturing said needles after advancement of said needles through said needle passages. - View Dependent Claims (2, 3)
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4. A surgical instrument for applying purse string sutures to tissue, comprising:
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a pair of jaws each having a plurality of teeth for clamping the tissue therebetween; a needle passage formed in each of said jaws and extending through the teeth on each jaw; a pair of needles mounted on said jaws for movement through said passages; a purse string suture attached to each of said needles; means for advancing said needles along said jaws to move said purse string sutures through said needle passages and into said tissue; and said needle advancing means including a pair of tubular sleeves slidably mounted on said jaws for movement along said passages, said sleeves being engageable with said needles and receiving said purse string sutures therein. - View Dependent Claims (5, 6, 7)
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8. A surgical instrument for applying purse string sutures to tissue, comprising:
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a pair of jaws each having a plurality of teeth for clamping the tissue therebetween; a needle passage formed in each of said jaws and extending through the teeth on each jaw; a pair of needles mounted on said jaws for movement through said passages; a purse string suture attached to each of said needles; means for advancing said needles along said jaws to move said purse string sutures through said needle passages and into said tissue; and
whereinsuccessive teeth on each jaw are alternately pointed and smooth, said pointed teeth on each jaw being opposed to said smooth teeth on the other jaw. - View Dependent Claims (9, 10, 11)
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12. A surgical instrument for applying purse string sutures to tissue, comprising:
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a pair of elongated handles pivotally connected together, said handles supporting a pair of jaws each having a plurality of teeth for clamping the tissue therebetween when said handles are pivoted together; a needle passage formed in each of said jaws and extending through said teeth on each jaw; a pair of needles mounted on said jaws for movement through said passages; a purse string suture attached to each of said needles; a pair of elongated tubular sleeves slidably mounted on said handles and extending into said passages, said sleeves being engageable with said needles and receiving said purse string sutures therein; and a pair of actuators slidably mounted on said handles for moving said sleeves longitudinally along said handles to advance said needles and said purse string sutures through said needle passages when said actuators are advanced and to withdraw said sleeves away from said needles when said actuators are retracted. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A surgical instrument for applying purse string sutures to tissue, comprising:
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a pair of jaws each having a plurality of teeth for clamping the tissue therebetween; a needle passage formed in each of said jaws and extending through the teeth on each jaw for guiding a needle attached to a purse string suture therethrough; and
whereinsuccessive teeth on each jaw are alternately pointed and smooth, said pointed teeth on each jaw being opposed to said smooth teeth on the other jaw. - View Dependent Claims (23, 24, 25, 26)
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27. A surgical instrument for applying purse string sutures to tissue, comprising:
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a pair of jaws each having a plurality of teeth for clamping the tissue therebetween; a needle passage formed in each of said jaws and extending through the teeth on each jaw for guiding a needle attached to a purse string suture therethrough; and knife means mounted for movement relative to said jaws for cutting the tissue adjacent to the purse string sutures threaded into the tissue
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28. A surgical instrument for applying purse string sutures to tissue, comprising
a pair of jaws each having a plurality of teeth for clamping the tissue therebetween; -
a needle passage formed in each of said jaws and extending through the teeth on each jaw; a pair of needles mounted on said jaws for movement through said passages; a purse string suture attached to each of said needles; a knife passage formed in each of said jaws and extending along a path adjacent to said needle passage therein; a knife blade slidably received in said knife passages for movement relative to said jaws; and means for advancing said needles and said knife blade along said jaws to move said purse string sutures through said needle passages and into said tissue and to move said knife blade along said knife passages to cut the tissue adjacent to the purse string sutures threaded therein. - View Dependent Claims (29, 30)
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31. A surgical instrument for applying purse string sutures to tissue, comprising:
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a pair of jaws each having a plurality of teeth for clamping the tissue therebetween; a needle passage formed in each of said jaws and extending through the teeth on each jaw for guiding a needle attached to a purse string suture therethrough; and a tissue clamp releaseably mounted on said jaws and applied to the tissue when the jaws are closed.
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32. A surgical instrument for applying purse string sutures to tissue, comprising:
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a pair of jaws each having a toothed portion including a plurality of teeth for clamping the tissue therebetween; a needle passage formed in each of said jaws and extending through the teeth on each jaw; a pair of needles mounted on said jaws for movement through said passages; a purse string suture attached to each of said needles; means for advancing said needles along said jaws to move said purse string sutures through said needle passages and into said tissue; and a tissue clamp releaseably mounted on said jaws, said tissue clamp including first and second clamping members adapted to interlock when said jaws are closed to clamp the tissue between said clamping members. - View Dependent Claims (33, 34)
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Specification