Carl T Becht: Intralumenal anastomosis surgical stapling instrument. Senco Products, Frost & Jacobs, June 17, 1980: US04207898 (407 worldwide citation)

A surgical stapling instrument for the joining together of tubular body organs. The instrument comprises an elongated cylindrical body supporting at its distal end a staple carrier containing at least one annular array of staples, a staple driver for each array and a cylindrical scalpel. A conical a ...

John W Lloyd, David E Wild, Humphry R Evatt: Cryosurgical probe. Spembly, John W Lloyd, Shapiro and Shapiro, June 17, 1980: US04207897 (312 worldwide citation)

A cryosurgical probe is adapted for the freezing of a nerve and is fitted with an electrode at its tip for electrical stimulation of the nerve, to enable the surgeon to know when the probe tip has been correctly placed in proximity to a particular nerve which it is desired to freeze.

William N Eldridge: Blood sampling assembly having porous vent means vein entry indicator. Becton Dickinson and Company, Kane Dalsimer Kane Sullivan and Kurucz, June 17, 1980: US04207870 (283 worldwide citation)

A blood sampling assembly is provided which has a cannula designed for intravenous penetration, a mechanism for applying negative pressure to the cannula, a chamber located between the cannula and the source of negative pressure, a one-way valve positioned within the chamber, and a venting member wi ...

Theodore A Kruy: Endoscope deflection control. American Cystoscope Makers, St Onge Steward Johnston Reens & Noe, June 17, 1980: US04207873 (204 worldwide citation)

An endoscope deflection control is described whereby enhanced one-hand control of the tip of a polydirectionally deflectable endoscope is obtained. The deflection control is mounted external to the head of the endoscope in such manner that convenient single-hand manipulation of deflection control wh ...

Jean Marie Cloutier: Knee prosthesis. June 17, 1980: US04207627 (191 worldwide citation)

This invention relates to an improved total knee prosthesis of the non-hinged type which advantageously provide normal knee motion and stability during ambulation while substantially obviating loosening or cold flowing of the .ibial component. For this purpose, the total knee prosthesis substantiall ...

Ronald C Mamajek, Ernest S Moyer: Drug-dispensing device and method. McNeilab, Geoffrey G Dellenbaugh, June 17, 1980: US04207890 (189 worldwide citation)

A drug-dispensing device and method for controlled and prolonged internal administration of medicaments to warm-blooded animals comprising an outer polymer envelope containing an expanding agent, drug metering means, and the drug itself. The outer polymer envelope is permeable to both the drug and b ...

Daniel S J Choy: Laser tunnelling device. Wolder Gross & Yavner, June 17, 1980: US04207874 (183 worldwide citation)

A device for use primarily in medical applications to locate, analyze, illuminate and destroy obstructions in a tube. The device includes a fiberoptics bundle for insertion to the tube in a flexible conduit. The conduit includes a connection to a suction source at one of its ends, a valved means of ...

Shalaby W Shalaby, Dennis D Jamiolkowski: Isomorphic copolyoxalates and sutures thereof. Ethicon, Wayne R Eberhardt, June 17, 1980: US04208511 (138 worldwide citation)

Synthetic absorbable sutures are prepared from copolyoxalate polymers having isomorphic sequences. The polymers are derived from mixtures of cyclic and linear diols, each having the same carbon chain length of 6 or 8 atoms. The cyclic diol may be aliphatic or aromatic. The diols are polymerized with ...

Robert F Zuk, Edward T Maggio: Label modified immunoassays. Syva Company, Bertram I Rowland, June 17, 1980: US04208479 (133 worldwide citation)

Methods and reagents are provided for immunoassays employing as reagents a labelled receptor, where the label is capable of providing a detectable signal, and modifying reagents, capable of modifying the signal obtained from the label. When ligand (ligand analog for monoepitopic ligands) is present ...

Alan S Michaels: Device using hydrophilic polymer for delivering drug to biological environment. Alza Corporation, Paul L Sabatine, Thomas E Ciotti, Edward L Mandell, June 17, 1980: US04207893 (115 worldwide citation)

A self-powered device for delivering drug is disclosed. The device comprises (1) a substantially rigid housing, (2) a collapsible container storing a drug and having a passageway for delivering the drug in the housing, and (3) an expandable laminate positioned between the housing and the container. ...