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US 5,843,098 AGranted
Surgical purse string suturing instrument and method
AssigneeAmerican Cyanamid Company
InventorsWilliam J. Allen, George Jessup, Frederick F. Ahari, Robert A. Rabiner, John E. Burbank, III
Life of this patent
Estimating the term…
Abstract
A surgical needle includes an elongated needle shaft and a needle head having a sharp point. A frangible neck, with a reduced cross-section, joins the needle shaft and the needle head and permits the needle head to be broken away from the needle shaft.
Claims24
A surgical needle, comprising:
- an elongated needle shaft;
- a needle head having a sharp point;
- and
- a frangible neck, having a reduced cross-section, joining said needle shaft and said needle head, said neck permitting said needle head to broken away from said needle shaft, wherein
- a recess is formed in a longitudinal direction in said needle shaft and said needle head for at least partially receiving a suture thread.
2 more elements
A surgical needle, comprising:
- an elongated needle shaft;
- a needle head having a share point;
- a frangible neck, having a reduced cross-section, joining said needle shaft and said needle head, said neck permitting said needle head to broken away from said needle shaft;
- and
- pushing means at one end of said elongated needle shaft for pushing the surgical needle, wherein
- said pushing means comprises a portion of said needle shaft at said one end bent at an angle with respect to a longitudinal direction of said needle shaft.
3 more elements
A medical suturing device, comprising:
- first and second surgical needles, each comprising an elongated needle shaft and a needle head, having a sharp point, connected to said needle shaft;
- each said needle head having means for securing one end of a suture thread thereto;
- and
- a suture thread having first and second ends, said first end being secured to said first needle head and said second end being secured to said second needle head, wherein
- each surgical needle further comprises a frangible neck portion joining said needle shaft and said needle head.
2 more elements
A medical suturing device, comprising:
- first and second surgical needles, each comprising an elongated needle shaft and a needle head, having a sharp point, connected to said needle shaft, with each said needle head having means for securing one end of a suture thread thereto;
- and
- a suture thread having first and second ends, said first end being secured to said first needle head and said second end being secured to said second needle head, wherein
- each surgical needle further comprises a frangible neck portion joining said needle shaft and said needle head, said frangible neck portion having a reduced cross-section thereby permitting said needle head to be broken away from said needle shaft.
1 more element
A medical suturing device, comprising:
- first and second surgical needles, each comprising an elongated needle shaft and a needle head, having a sharp point, connected to said needle shaft, with each said needle head having means for securing one end of a suture thread thereto;
- and
- a suture thread having first and second ends, said first end being secured to said first needle head and said second end being secured to said second needle head, wherein
- a recess is formed in a longitudinal direction of each said needle shaft and needle head for at least partially receiving the thread.
1 more element
A medical suturing device, comprising:
- first and second surgical needles, each comprising an elongated needle shaft and a needle head, having a sharp point, connected to said needle shaft, with each said needle head having means for securing one end of a suture thread thereto;
- a suture thread having first and second ends, said first end being secured to said first needle head and said second end being secured to said second needle head;
- and
- pushing means at one end of each said extended needle shaft for pushing said surgical needles, wherein
- said pushing means comprises a portion of each said needle shaft at said one end bent at an angle with respect to a longitudinal direction of said needle shaft.
2 more elements
A medical suturing cartridge, comprising:
- first and second surgical needles each including an elongated needle shaft and a needle head connected to said needle shaft and having a sharp point, said needle shaft and said needle head of each said needle defining a first cross-sectional shape;
- and
- needle cartridge means for defining a needle guide;
- said cartridge means including an elongated body formed with two substantially parallel guideways, each having a second cross-sectional shape substantially congruent to the first cross-sectional shape, for receiving one said surgical needle for sliding movement therein;
- and an open channel joining said guideways throughout their length, wherein
- each surgical needle further comprises a frangible neck portion joining said needle shaft and said needle head.
3 more elements
A medical suturing cartridge, comprising:
- first and second surgical needles each including an elongated needle shaft and a needle head connected to said needle shaft and having a sharp point, said needle shaft and said needle head of each said needle defining a first cross-sectional shape;
- and
- needle cartridge means for defining a needle guide, said cartridge means including an elongated body formed with two substantially parallel guideways, each having a second cross-sectional shape substantially congruent to the first cross-sectional shape, for receiving one said surgical needle for sliding movement therein, and an open channel joining said guideways throughout their length, wherein
- each needle further comprises a frangible neck portion joining said needle shaft and said needle head, said frangible neck portion having a reduced cross-sectional shape relative to the first cross-sectional shape.
1 more element
A medical suturing cartridge, comprising:
- first and second surgical needles each including an elongated needle shaft and a needle head connected to said needle shaft and having a sharp point, said needle shaft and said needle head of each said needle defining a first cross-sectional shape;
- and
- needle cartridge means for defining a needle guide, said cartridge means including an elongated body formed with two substantially parallel guideways, each having a second cross-sectional shape substantially congruent to the first cross-sectional shape, for receiving one said surgical needle for sliding movement therein, and an open channel joining said guideways throughout their length, wherein
- each said needle head includes securing means for securing a suturing thread thereto;
- and
- a suturing thread having first and second ends, said first end being secured to said securing means in said first needle head and said second end being secured to said securing means in said second needle head, wherein
- a recess is formed in a longitudinal direction in each said needle shaft and needle head for at least partially receiving the thread.
4 more elements
A medical suturing cartridge, comprising:
- first and second surgical needles each including an elongated needle shaft and a needle head connected to said needle shaft and having a sharp point, said needle shaft and said needle head of each said needle defining a first cross-sectional shape;
- needle cartridge means for defining a needle guide, said cartridge means including an elongated body formed with two substantially parallel guideways, each having a second cross-sectional shape substantially congruent to the first cross-sectional shape, for receiving one said surgical needle for sliding movement therein, and an open channel joining said guideways throughout their length;
- and
- pushing means at one end of each said elongated needle shaft for pushing said surgical needles. wherein
- said pushing means comprises a portion of said needle shaft at said one end bent at an angle with respect to a longitudinal direction of said needle shaft.
2 more elements
Dependencies are inferred from the claim text.