Eliyahou Harari, Sanjay Mehrotra: Segmented column memory array. SunDisk Corporation, Majestic Parsons Siebert & Hsue, May 24, 1994: US05315541 (732 worldwide citation)

In an array of solid-state memory cells organized into rows and segmented columns and addressable by wordlines and bit lines, a memory cell within a segmented column is addressable by segment-select transistors which selectively connect the memory cell's pair of bit lines via conductive lines runnin ...

Thierry Marnay: Prosthesis for intervertebral discs and instruments for implanting it. J B S Company, Pearne Gordon McCoy & Granger, May 24, 1994: US05314477 (614 worldwide citation)

The invention concerns a prosthesis for intervertebral discs designed to be substituted for fibrocartilaginous discs ensuring connection between the vertebrae of the spinal column and its instruments for implantation.

Barry M Yomtov, Paul E Kreyenhagen: Implantable cardiac patient monitor. InControl, Foley & Lardner, May 24, 1994: US05313953 (580 worldwide citation)

An implantable cardiac monitor is arranged for detecting both arrhythmias and ischemia of the human heart. The monitor includes subcutaneous electrodes for establishing electrical contact with the heart and a sense amplifier coupled to each electrode for generating an electrocardiogram of a heart be ...

Roger A Stern, Stuart D Edwards, Jerome Jackson, Arye Rosen: Articulated unidirectional microwave antenna systems for cardiac ablation. EP Technologies, Ryan Kees & Hohenfeldt, May 24, 1994: US05314466 (449 worldwide citation)

An improved assembly for steering and orienting a functional element at the distal end of a catheter tube holds the functional element with its major axis aligned with the axis of the catheter tube for convenient steering to a tissue site. The mechanism can also pivot the functional element in respo ...

Russell A Houser, Stuart D Edwards, Thomas F Kordis: Catheters and methods for performing cardiac diagnosis and treatment. EP Technologies, Ryan Kees & Hohenfeldt, May 24, 1994: US05313943 (444 worldwide citation)

A system and method for cardiac diagnosis and treatment inserts the distal end of a catheter into a heart chamber. The distal end of the catheter supports at least one electrode. The catheter has a fluid flow conduit extending through it. The conduit has a valve that prevents fluid flow from the hea ...

Arthur B Fontaine: Vascular stent. Cook Incorporated, Richard J Godlewski, May 24, 1994: US05314472 (439 worldwide citation)

A vascular stent includes at least one filament formed into a wave-like pattern, the filament being wound into a substantially spiral shape; and a device for connecting at least one end of the filament to slide on a another portion of the filament so as to form a hoop at each end of the spiral shape ...

James H Brauker, Ronald S Hill, Laura A Martinson, Daniel R Boggs, Robert C Johnson: Tissue inplant systems and methods for sustaining viable high cell densities within a host. Baxter International, Sarah E Bates, Daniel D Ryan, Paul C Flattery, May 24, 1994: US05314471 (383 worldwide citation)

Implant assemblies and methodologies provide immuno-protection for implanted allografts, xenografts, and isografts. The assemblies and methodologies establish a boundary between the host and the implanted cells. The boundary has a pore size, an ultimate strength, and a metabolic transit value that a ...

David A Nicholas: Surgical instrument locking mechanism. United States Surgical Corporation, May 24, 1994: US05314424 (357 worldwide citation)

An endoscopic or laparoscopic surgical instrument having an internally disposed locking mechanism located within a barrel portion of a handle assembly. The instrument includes a handle assembly having a pivoting handle and a stationary handle, a barrel portion to which an elongated body assembly is ...

Elke Heidmueller nee Degwitz, Harald Heidmueller: Surgical instrument. Diller Ramik & Wight, May 24, 1994: US05314445 (331 worldwide citation)

A surgical instrument for performing cutting or gripping movements comprises a tube body (2) connected at its rear end with an end portion (1). The end portion is provided with a handle (4) including an actuating lever (5). At the front end of the tube body (2), are pivotable relative to each other ...

Rajendra Patel: Personal telecommunications system. Network Access Corporation, Harold E Meier, May 24, 1994: US05315636 (301 worldwide citation)

The location independent personal telecommunications system of the present invention enables a subscriber to have a single personal telephone directory number. When that personal telephone number is dialed, the system uses the existing public and cellular communication systems and a service node all ...

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