The present invention generally provides methods and devices for removing fluid from a surgical instrument. Surgical access devices and seal systems are generally provided having one or more valves or seal assemblies to create a closed system between the outside environment and the environment in wh
The present invention generally provides methods and devices for removing fluid from a surgical instrument. Surgical access devices and seal systems are generally provided having one or more valves or seal assemblies to create a closed system between the outside environment and the environment in which the surgical access device is being inserted. In one embodiment, a seal assembly is provided and can include a seal having an opening configured to receive a surgical instrument therethrough and a fluid remover in the form of an absorbent element, a scraper element, a wicking element, or any combination thereof can be associated with the seal and configured to remove fluid from the opening and/or a surgical instrument.
대표청구항▼
1. A surgical access device, comprising: a housing having an insufflation port;a seal disposed within the housing proximal to the insufflation port, the seal having an opening configured to receive a surgical instrument therethrough; anda sorbent element spaced a distance apart from and not in conta
1. A surgical access device, comprising: a housing having an insufflation port;a seal disposed within the housing proximal to the insufflation port, the seal having an opening configured to receive a surgical instrument therethrough; anda sorbent element spaced a distance apart from and not in contact with the seal, the sorbent element being disposed radially outward of the opening in the seal such that the sorbent element will not contact an instrument disposed through the opening, the sorbent element being configured to sorb fluid. 2. The surgical access device of claim 1, further comprising a scraper disposed within the housing and configured to scrape fluid off of a surgical instrument passed through the opening, the sorbent element being configured to sorb fluid scraped off of the surgical instrument by the scraper. 3. The surgical access device of claim 2, wherein the scraper includes proximal and distal surfaces, and the sorbent element is positioned adjacent to one of the proximal and distal surfaces. 4. The surgical access device of claim 1, wherein the seal comprises at least one of an instrument seal configured to form a seal around a surgical instrument disposed therethrough and a zero-closure seal configured to form a seal when no surgical instrument is disposed therethrough. 5. The surgical access device of claim 1, wherein the sorbent element is formed from a material selected from the group consisting of polyester, rayon, cellulose acetate, nylon polyester, polyolefin, spunbond polyethylene terephthalate, polyurethane foam, and combinations thereof. 6. The surgical access device of claim 1, wherein the sorbent element comprises a sorbent ring-shaped member. 7. The surgical access device of claim 1, wherein the seal comprises a flexible member and a multi-layer protective member. 8. The surgical access device of claim 1, wherein the sorbent element comprises a plurality of sorbent elements and the surgical access device further comprises a plurality of scrapers in communication with the plurality of sorbent elements, the plurality of scrapers being configured to scrape fluid from a surgical instrument passed through the opening in the seal. 9. A surgical access device, comprising: a housing defining a working channel sized and configured to receive a surgical instrument, the housing having a proximal portion and a distal cannula extending distally from the proximal portion and configured to be inserted into a body cavity;a seal disposed within the proximal portion of the housing and having an opening positioned to receive a surgical instrument passed through the working channel therethrough; anda sorbent element disposed within the proximal portion of the housing and spaced radially outward of the working channel such that the sorbent element will not contact an instrument disposed through the working channel, the sorbent element being spaced a distance apart from and not in contact with the seal, and configured to sorb fluid to prevent fluid from being re-deposited on surgical instruments passed through the working channel. 10. The surgical access device of claim 9, wherein the sorbent element is formed from a material selected from the group consisting of polyester, rayon, cellulose acetate, nylon polyester, polyolefin, spunbond polyethylene terephthalate, polyurethane foam, and combinations thereof. 11. The surgical access device of claim 9, further comprising a scraper disposed in the housing and configured to scrape fluid off of a surgical instrument passed through working channel. 12. The surgical access device of claim 11, wherein the sorbent element is configured to sorb fluid scraped by the scraper. 13. The surgical access device of claim 11, wherein the scraper comprises a disc having an opening for receiving and scraping a surgical instrument and the sorbent element is positioned adjacent to the opening in the disc. 14. The surgical access device of claim 9, wherein the sorbent element comprises a plurality of sorbent elements, and the surgical access device further comprises a plurality of scrapers in communication with the plurality of sorbent elements and configured to scrape fluid from a surgical instrument passed through the working channel. 15. The surgical access device of claim 9, wherein the seal includes a multi-layer flexible member. 16. A method for removing fluid from a seal opening, comprising: inserting a distal cannula of an access device through tissue to form a working channel extending into a body cavity;passing a surgical instrument through an opening in a seal disposed in a proximal housing of the access device, wherein the access device includes a sorbent element in the proximal housing that does not contact the seal and that is configured to sorb fluid from the instrument, and wherein the sorbent element does not come into contact with the instrument. 17. The method of claim 16, wherein a scraper element disposed in the access device scrapes fluid from the surgical instrument as it is passed through the access device. 18. The method of claim 17, wherein the sorbent element sorbs fluid scraped by the scraper.
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