Visually directed trocar and method
First Claim
Patent Images
1. A surgical penetration device comprising:
- a) an inflexible elongated member having a first end,b) a light transmission and imaging member formed essentially of transparent material, provided at the first end of said elongated member to form an extension of said elongated member and project light and receive light images,c) cutting means including a cutting member at said first end cooperable with said light transmission and imaging member to provide said light transmission and imaging member with a cutting edge for piercing human flesh to permit surgical insertion of said light transmission and imaging member through human flesh into a body cavity, andd) said elongated member having means for containing a conventional lighting means and a conventional light image receiving means in the form of a conventional telescope to cooperate with said light transmission and imaging member, said containing means being sized to permit detachable slidable insertion of the conventional telescope in the elongated member and slidable removal of the conventional telescope from the elongated member.
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Abstract
A new and improved laparoscopic trocar and sleeve assembly in which the trocar is provided with a transparent tip and accommodates a light telescope for supplying a video console, so that while the trocar is being surgically inserted through the abdominal wall and into the abdominal cavity, visualization on the video console will be possible to avoid injury to blood vessels in the abdominal cavity wall or injury to any of the internal organs located in the abdominal cavity. Once clear visualization is established, conventional laparoscopic procedures can be carried out safely.
215 Citations
29 Claims
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1. A surgical penetration device comprising:
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a) an inflexible elongated member having a first end, b) a light transmission and imaging member formed essentially of transparent material, provided at the first end of said elongated member to form an extension of said elongated member and project light and receive light images, c) cutting means including a cutting member at said first end cooperable with said light transmission and imaging member to provide said light transmission and imaging member with a cutting edge for piercing human flesh to permit surgical insertion of said light transmission and imaging member through human flesh into a body cavity, and d) said elongated member having means for containing a conventional lighting means and a conventional light image receiving means in the form of a conventional telescope to cooperate with said light transmission and imaging member, said containing means being sized to permit detachable slidable insertion of the conventional telescope in the elongated member and slidable removal of the conventional telescope from the elongated member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method of visualizing insertion of a surgical device through flesh into a body cavity comprising the steps of:
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a) providing a hollow trocar with a tubular body and a light transmission and imaging member with a cutting member for piercing human flesh for surgical insertion of the light transmission and imaging member through human flesh, b) joining said light transmission and imaging member to one end of said tubular body formed of a biocompatible material, c) slideably locating a conventional lighting means and a conventional light image receiving means in the form of a conventional light telescope in said hollow trocar proximate said light transmission and imaging member to enable light from the lighting means to project outwardly away from said light transmission and imaging member and to permit the light image receiving means to receive light images that pass from outside said light transmission and imaging member through said light transmission and imaging member while said light transmission and imaging member is being inserted through the flesh into a body cavity, whereby said light transmission and imaging member provides a receivable image of the flesh and body cavity being entered, and d) keeping the conventional light telescope in the hollow trocar in a manner that permits slideable removal of the conventional light telescope from the hollow trocar when the hollow trocar is removed from the flesh. - View Dependent Claims (25, 26, 27, 28, 29)
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Specification