US5507725A | 合法醫療器材資訊網

Asthesteerablecathetertravelsthroughthebody,differentdragforcesarecreatedonthecatheter.Alossintorqueresults,andadditionalpowertomakethe ...

This is a Continuation In Part application of Ser. No. 07/996,090 now U.S. Pat. No. 5,368,564 filed Dec. 23, 1992.

1. Field of the Invention

This invention relates to a steerable catheter which is utilized in laser surgery. In particular, the invention relates to a steering system for a catheter tip which achieves greater control of the catheter tip movement.

2. Background of the Invention

Catheters have been utilized in the medical industry for many years. One of the greatest challenges in using a catheter is controlling the position and placement of the catheter tip from a remote location outside of the patients body. Some catheters have features designed to aid in steering the catheter and overcoming this challenge.

However, several significant problems are still encountered with these catheters. The devices typical...