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US 2026/0306134 A1Published application
Trocar for cleaning medical devices therein
AssigneeCovidien LP
InventorsWeijiang Ding, Syed Sarfraz Ahamed, Kai Huang, Kaizhi Zhang
Life of this patent
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Abstract
A trocar is provided which permits cleaning of a medical device therein. In aspects, the trocar has a seal at a distal portion of the trocar. In use, a medical device, such as a laparoscope, passes through the seal at the distal portion of the trocar. To clean a lens at the end of the laparoscope, a vacuum is applied to the interior of the trocar, the laparoscope is partially withdrawn so that it is proximal to the seal, and liquids and/or gases are introduced into the trocar to clean the lens while the laparoscope remains within the trocar.
Claims20
-15. (canceled)
A trocar system, comprising:
- a cannula having an outer surface and an inner surface, the inner surface defining a first lumen;
- and
- a trocar configured for reception into the first lumen of the cannula, the trocar comprising:
- an elongate body having a longitudinal axis extending between a proximal portion and a distal portion, the elongate body comprising an outer surface and an inner surface, the outer surface of the elongate body having at least a first channel and a second channel, the inner surface of the elongate body defining a second lumen configured to receive a laparoscope;
- an inlet port at the proximal portion of the elongate body, the inlet port being in communication with a fluid source;
- a vacuum port at the proximal portion of the elongate body, the vacuum port being in communication with a vacuum;
- an inlet tube being in fluid communication with the inlet port, the inlet tube formed by the first channel of the elongate body and the inner surface of the cannula, the inlet tube terminating at an entry opening at the distal portion of the elongate body, the inlet tube configured to deliver a fluid into the second lumen via the entry opening;
- an outlet tube being in fluid communication with the vacuum port, the outlet tube formed by the second channel and the inner surface of the cannula, the outlet tube terminating at an exit opening at the distal portion of the elongate body, the outlet tube being configured to remove the fluid from the second lumen via the exit opening;
- and
- a vacuum seal configured to seal the second lumen at the distal portion of the elongate body.
7 more elements
A trocar system, comprising:
- a cannula having an outer surface and an inner surface, the inner surface defining a first lumen;
- and
- a trocar configured for reception into the first lumen of the cannula, the trocar comprising:
- an elongate body having a longitudinal axis extending between a proximal portion and a distal portion, the elongate body comprising an outer surface and an inner surface, the outer surface of the elongate body having at least a first channel and a second channel, the inner surface of the elongate body defining a second lumen configured to receive a laparoscope;
- a seal assembly in communication with the second lumen at the proximal portion of the elongate body;
- an inlet port at the proximal portion of the elongate body, the inlet port being in communication with a fluid source;
- a vacuum port at the proximal portion of the elongate body, the vacuum port being in communication with a vacuum;
- an inlet tube being in fluid communication with the inlet port, the inlet tube formed by the first channel of the elongate body and the inner surface of the cannula, the inlet tube terminating at an entry opening at the distal portion of the elongate body, the inlet tube configured to deliver a first fluid and a second fluid into the second lumen, wherein the first fluid is different from the second fluid;
- an outlet tube being in fluid communication with the vacuum port, the outlet tube formed by the second channel and the inner surface of the cannula, the outlet tube terminating at an exit opening configured to remove the first fluid and the second fluid from the second lumen;
- and
- a vacuum seal being configured to seal the second lumen at the distal portion of the elongate body.
8 more elements
Dependencies are inferred from the claim text.