| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a medical device capable of performing a minimally invasive surgical operation without increasing a burden on a patient, freely changing the direction of a medical instrument fixedly installed within a body to a desired direction, and also stably maintaining a fixed state such that the medical instrument does not wobble and shake throughout an operation. <P>SOLUTION: The medical device 1 includes: a medical instrument 4 introduced into a body cavity and having a contact portion 42 that is fixed in contact with a wall within a body, and a wire 45; an extracorporeal device 3 installed on a body surface and having a hole portion through which the wire can be inserted and removed, fixing mechanisms 25 and 26 for fixing the wire inserted through the hole portion, and a housing 21 that is fixed in contact with the body surface; and a pressure adjusting portion 62 provided in one of the medical instrument and the extracorporeal device for the purpose of maintaining a predetermined tensile force or more that is applied to the wire when the wire is fixed by the fixing mechanism with a body wall being sandwiched between the contact portion and the housing. <P>COPYRIGHT: (C)2009,JPO&INPIT |
