Microfabricated therapeutic actuators and release mechanisms the

Details Microfabricated therapeutic actuators and release mechanisms the Microfabricated therapeutic actuators and release mechanisms the

1998-04-28

2000-05-09

Buiz, Michael

Surgery

Instruments

Forceps

A61B 1728

Patent

active

060598158

ABSTRACT:
Microfabricated therapeutic actuators are fabricated using a shape memory polymer (SMP), a polyurethane-based material that undergoes a phase transformation at a specified temperature (Tg). At a temperature above temperature Tg material is soft and can be easily reshaped into another configuration. As the temperature is lowered below temperature Tg the new shape is fixed and locked in as long as the material stays below temperature Tg. Upon reheating the material to a temperature above Tg, the material will return to its original shape. By the use of such SMP material, SMP microtubing can be used as a retaining/release actuator for the delivery of material, such as embolic coils, for example, through catheters into aneurysms, for example. The microtubing can be manufactured in various sizes and the phase change temperature Tg is determinate for an intended temperature target and intended use. The SMP microtubing can be positioned around or within an end of a deposit material. Various heating arrangements can be utilized with the SMP release mechanism, and the SMP microtubing can include a metallic coating for enhanced light absorption.

REFERENCES:
patent: 5762630 (1998-06-01), Bley et al.

Affiliated with

Also associated with

Rating

Microfabricated therapeutic actuators and release mechanisms the does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Microfabricated therapeutic actuators and release mechanisms the, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Microfabricated therapeutic actuators and release mechanisms the will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1060111