Trocar having transparent cannula and method of using
First Claim
1. A trocar cannula having an interior passage therethrough, comprisingan elongate trocar cannula tube;
- and,a trocar cannula handle for mounting said cannula tube,wherein the interior passages of said trocar cannula tube and trocar cannula handle are visible through the tube and handle.
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Abstract
A trocar having a trocar obturator and a trocar cannula. The trocar cannula has a cannula tube mounted in a cannula handle, wherein the cannula has an interior passage therethrough. The interior of the trocar cannula is visible through the trocar cannula. The trocar obturator is housed in the trocar cannula for insertion into a body cavity. When used in an endoscopic surgical procedure on a mammal, such that the trocar cannula is inserted into a body cavity and serves as a passageway to and from the body cavity, the interior of the trocar cannula is visible through the cannula so that the passage of instruments, sutures, staples, surgical tissue samples, etc., into and out of the mammalian body cavity through the cannula can be observed by a surgeon during an endoscopic procedure by observing the interior of the cannula at a point exterior to the cannula by looking through the cannula either directly or by using an endoscope.
349 Citations
48 Claims
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1. A trocar cannula having an interior passage therethrough, comprising
an elongate trocar cannula tube; - and,
a trocar cannula handle for mounting said cannula tube, wherein the interior passages of said trocar cannula tube and trocar cannula handle are visible through the tube and handle. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A trocar, comprising
an elongate trocar obturator having a proximal end and a distal end, said distal end having a tip; -
an elongate trocar cannula having an interior passage therethrough for receiving the trocar obturator, said cannula comprising an elongate trocar cannula tube and a trocar cannula handle for mounting said cannula tube, wherein the interior of the trocar cannula is visible through the trocar cannula. - View Dependent Claims (9, 10, 11, 12)
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13. A method of performing an endoscopic surgical procedure on a mammal using a trocar, comprising
inserting a trocar into a body cavity, said trocar comprising a trocar cannula having a passage therethrough, and, an elongate trocar obturator, wherein said trocar cannula comprises an elongate trocar cannula tube, having a distal end and a proximal end, and a trocar cannula handle for mounting the proximal end of the trocar cannula tube, wherein the interior of the trocar cannula is visible through the cannula; -
removing the trocar obturator from the trocar cannula; using the trocar cannula as a pathway to and from the body cavity in order to perform an endoscopic surgical procedure within the body cavity; and observing the interior of the cannula through the cannula during at least part of the procedure. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method of performing an endoscopic surgical procedure on a mammal using a trocar cannula having a passage therethrough, comprising
inserting a trocar cannula into a body cavity, wherein said trocar cannula comprises an elongate trocar cannula tube, having a distal end and a proximal end, and a trocar cannula handle for mounting the proximal end of the trocar cannula tube, the interior of the cannula being visible through the cannula; -
using the trocar cannula as a pathway to and from the body cavity in order to perform an endoscopic surgical procedure within the body cavity; and observing the interior of the cannula through the cannula during at least part of the procedure. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32)
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33. In a method of using a trocar in an endoscopic surgical procedure, the trocar comprising an elongate trocar obturator and an elongate trocar cannula having a passage therethrough, the method comprising inserting the trocar into a mammalian body cavity, and removing the obturator from the cannula, and using the cannula as a passageway to the body cavity for insertion of an endoscopic surgical instrument within the cannula, the improvement comprising
using a transparent trocar cannula wherein the interior of the trocar cannula is visible through the trocar cannula and observing the instrument within the interior of the cannula during at least part of the procedure.
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42. In a method of using a trocar cannula in an endosurgical procedure, the trocar cannula comprising an elongate trocar cannula tube and a trocar cannula handle for mounting the tube, the method comprising inserting the trocar cannula into a mammalian body cavity, and using the cannula as a passageway to the body cavity, the improvement comprising
using a transparent trocar cannula wherein the interior of the trocar cannula is visible through the trocar cannula and observing the interior of the trocar cannula during at least part of the procedure.
Specification