Implantable stimulation and drug infusion techniques

Details Implantable stimulation and drug infusion techniques Implantable stimulation and drug infusion techniques

1996-04-25

1997-12-16

Kamm, William L.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

6048911, A61N 102

Patent

active

056979517

ABSTRACT:
An implantable system for infusing a fluid agent and providing electrical stimulation without requiring an implanted pump or implanted source of electrical energy. An implantable housing is fitted with a percutaneous fill port that communicates with a reservoir to hold a fluid agent, such as a drug. An antenna located inside the housing receives radio frequency power signals from an outside antenna. A pulse generator outside the housing receives power and information from the radio frequency signals to produce stimulation pulses. The pulses and the fluid agent are both transported by a catheter to a site of application in the body. A connector allows the stimulation pulses and fluid agent to be transported from the housing to the catheter while maintaining electrical isolation between the stimulating pulses and the fluid agent.

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patent: 5370672 (1994-12-01), Fowler et al.
patent: 5423877 (1995-06-01), Mackey

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