Sandeep Bajaj: Intracardiac catheter. Whitham & Marhoefer, October 1, 1991: US05053008 (589 worldwide citation)

A multisheathed catheter (12) includes an umbrella (18) positioned on its exterior sheath (16). In use, the umbrella (18) should be positioned within the pulmonary artery. The umbrella (18) has a meshwork (22) through which blood and plasma pass freely therethrough, but which is capable of catching ...

Josef H Schuermann, Guenter Heinecke, Rudolf Kremer: Transponder arrangement. Texas Instruments Deutschland, James C Kesterson, James T Comfort, Melvin Sharp, October 1, 1991: US05053774 (522 worldwide citation)

A transponder arrangement is described comprising an interrogation unit (10) which sends an RF interrogation pulse to at least one responder unit (12). The responder unit (12) then transmits back data stored therein in the form of a modulated RF carrier to the interrogation unit (10). In the respond ...

InBae Yoon: Suture devices particularly useful in endoscopic surgery and methods of suturing. October 1, 1991: US05053047 (447 worldwide citation)

Suture devices, particularly useful in endoscopic surgery, include a suture device made of bioabsorbable material having an elongate body member with a sharp distal end for penetrating tissue and means for locking the suture device in tissue to prevent forward and rearward movement and a suture devi ...

Woodrow W Janese: Dural sealing needle and method of use. Woodrow W Janese, Vaden Eickenroht Thompson & Boulware, October 1, 1991: US05053046 (444 worldwide citation)

A spinal needle which has the capability of sealing its opening after withdrawal. A first conventional spinal needle or cannula is used for standard diagnostic or therapeudic use. A second cannula is inserted concentrically into the first needle and includes a dural seal having an absorbable suture ...

Steven R Carlson, Paul R Carlson: Point-of-sale device particularly adapted for processing checks. Dorr Carson Sloan & Peterson, October 1, 1991: US05053607 (393 worldwide citation)

A check processing device is particularly adapted for retailer/customer use at the point-of-sale through use of a MICR read head means, printer means and keypad means which feed information into a CPU which communicates, through an existing telecommunication system, with the customer's bank and the ...

Mordechai M Beizer: Method and apparatus for converting documents into electronic data for transaction processing. Empire Blue Cross Blue Shield, Sigma Computer Research Associates, Darby & Darby, October 1, 1991: US05054096 (355 worldwide citation)

A system for electronically transaction processing a large volume of documents utilizes high speed local area networks to distribute images and data related to the documents. Connected to the high speed network are slower speed networks in which the processing takes place at workstations. The workst ...

Gary K Michelson: Spinal retractor. Lewis Anten, October 1, 1991: US05052373 (304 worldwide citation)

An improved spinal retractor frame having detachable pairs of blade sets is disclosed in which the blades are self-engaging, automatically aligning, and rapidly attaching. The spinal retractor has a pair of arms which engage blades along the sides of the arms. The blades have a U shaped opening at t ...

Stephan N Perren, Fritz Straumann, Franz Sutter, Slobodan Tepic: Point contact bone compression plate. Synthes, Davis Hoxie Faithfull & Hapgood, October 1, 1991: US05053036 (290 worldwide citation)

A bone plate for use in osteosynthesis having a plurality of contact elements extending from its lower surface so that contact between plate and bone is reduced to the minimum contact needed during attachment of the plate to a bone.

Richard H Clarke: Inhibition of restenosis by ultraviolet radiation. Boston Advanced Technologies, Thomas J Engellenner, October 1, 1991: US05053033 (283 worldwide citation)

Restenosis following angioplasty can be inhibited by reducing the proliferation of smooth muscle cells in the blood vessel walls at an angioplasty site, and such reduction in cell proliferation can be accomplished by irradiating the angioplasty site with radiation in the ultraviolet (UV) wavelength ...

Joel E Sivula, Robert A Betzold: Method and apparatus for implementing activity sensing in a pulse generator. Medtronic, October 1, 1991: US05052388 (267 worldwide citation)

A cardiac pacemaker system of the type including a sensor responsive to the metabolic demand for oxygen and which varies the pacing rate in response to the output of the sensor. The pacemaker defines a function relating sensor output to pacing rate, based upon independently selectable parameters, in ...