Home | Links | Contact Us | More About Intellectual Property | Bookmark

Search patents:

Home

Heart Surgery

Piezoelectric-pumps

Prosthetic heart valve with increased valve lumen

A heart valve prosthesis for implantation in the heart of a patient includes a valve housing or ...

Method of making hollow elastomeric bodies

In accordance with the invention, an annular hollow body having an integral, sharp-cornered flange ...

Artificial heart valve made by vacuum forming technique

OF THE PREFERRED EMBODIMENTS Reference is now made to the accompanying drawings wherein like parts ...

Method of making a blood pumping membrance for artificial ventricles

OF THE INVENTION FIG. 1 shows an artificial ventricle 10 which may be used as a ventricle assist ...

Device and method for an IAB assist with multiple balloons

The present invention involves the use of two or more intra-aortic balloons which may be of ...

Apparatus and method for the percutaneous insertion of a pediatric intra-aortic balloon catheter

Accordingly, it is an object of the invention to produce a pediatric intra-aortic balloon catheter ...

Cardiac assist system and method thereof

Briefly, and in general terms, the present invention is directed to a system and method for ...

Automated system for the radiation treatment of a desired area within the body of a patient

The present invention comprises an automated catheter based radiation delivery system and its ...

Carton bottom forming method and apparatus

OF THE INVENTION Referring initially to FIG. 1, the present invention can be best understood by ...

Device for diagnosing body cavity interiors with ultrasonic waves

An object of the present invention is to provide a device for diagnosing body cavity interiors with ...

Piezoelectric pumps

Details

Inventors: Sager, Frank Everett; Matice, Christopher J.;
Assignee: Oceaneering International, Inc. (Houston, TX); Stress Engineering Services, Inc. (Houston, TX)
Primary Examiner: Dougherty; Thomas M.
Assistant Examiner:
Attorney, Agent or Firm: Myers; Kurt S.

The present invention is directed to an electro-motional device, specifically piezoelectric pumps. More specifically, the present invention is directed to various piezoelectric pumps such as diaphragm pumps, double acting piston pumps, peristaltic pumps or centrifugal pumps.

DETAILED DESCRIPTION The present invention is directed to an electro-motional device, specifically piezoelectric pumps.
More specifically, the present invention is directed to various piezoelectric pumps such as diaphragm pumps, double acting piston pumps, peristaltic pumps or centrifugal pumps.
In each pump, the piezoelectric unit cells of the present invention provide the motive force to move the fluids.

Related patents

	Magnetically driven axial-flow pump According to the present invention, there is provided a magnetically driven axial-flow pump comprising (i) an electromagnet unit arranged about the periphery of a pipe, (...
	Electric motor driven blower assembly with integral motor cooling duct The subject invention provides an alternative structure for providing an integral motor cooling air passage, with better sealing and higher tolerance at the joint. In ...
	Tongue-airway appliance The present invention provides an intra-oral appliance in the form of a tongue-airway functional appliance which restores/encourages training of the tongue, which ...
	Method and apparatus for preventing air embolisms One aspect of the present invention involves providing a method of preventing air embolisms. The method comprises the steps of: (a) providing a fluid source in ...
	Isolation chamber The present invention provides an isolation chamber that provides containment for a contaminated patient. Advantageously, embodiments of the present invention are usable ...
	Flextensional output actuators for surgically implantable hearing aids This invention relates to devices and methods relating to implantable hearing aids for placement within a middle ear or the inner ear. In particular, the invention ...
	Self-expanding defect closure device and method of making and using The present invention provides a self-expanding defect closure device that overcomes the many drawbacks and disadvantages of prior devices. The devices of the present ...
	Method and apparatus for treating pain with therapeutic magnets What is claimed is: 1. A method of arranging a plurality of therapeutic electromagnetic treatment devices in a fitment, comprising the following steps: a) providing a ...
	Minimally invasive direct cardiac massage device and method The cardiac pumping device and method presented below allows for direct cardiac massage in a procedure that can easily be accomplished by emergency medical personnel, ...
	Heater door mechanism for infant warming apparatus Accordingly, the present invention relates to an infant care apparatus that combines the functions of an infant care warmer and an incubator but in addition, has a door ...

0.024
Archive: All patents - Links Copyright (c)2006 Eipa-patents.org - All rights reserved