Static pressure type non-contact gas seal

• Publisher: Elsevier Science
• Year: 2006
• Tongue: English
• Weight: 189 KB
• Volume: 2006
• Category: Article
• ISSN: 1350-4789
• DOI: 10.1016/s1350-4789(06)71320-4

✦ Synopsis

This invention relates to a seal to be used with a trocar for introducing surgical instruments, guidewires, dilators, catheters or similar instruments into a patient. The seal is in a closed, or sealed, position when no instrument is inserted in the seal, when the seal is in an unstressed condition. It is opened when an instrument is inserted in the seal.