1
William J O Neill: Removable hemostasis valve. Argon Medical, Lawrence S Levinson, Sanford J Asman, March 13, 1984: US04436519 (253 worldwide citation)

A hemostasis valve comprising a body having a central passage, a seal having a central aperature therein, the seal being mounted in the central passage, and a diaphragm having a wall member with a slit therein, the diaphragm being mounted in the central passage, the diaphragm wall member having an i ...


2
Miguel Angel Ondetti, David W Cushman: Proline derivatives and related compounds. E R Squibb & Sons, Lawrence S Levinson, Merle J Smith, August 8, 1978: US04105776 (234 worldwide citation)

New proline derivatives and related compounds which have the general formula ##STR1## are useful as angiotensin converting enzyme inhibitors.


3
David C Auth: Transluminal thrombectomy apparatus. E R Squibb & Sons, Lawrence S Levinson, Sanford J Asman, March 3, 1987: US04646736 (214 worldwide citation)

The invention is an apparatus for breaking up a thrombus by introducing a rotating drive shaft into the thrombus whereby the fibrin of the thrombus will be withdrawn from the thrombus onto the rotating drive shaft, thereby breaking up the network of the thrombus which prevents blood flow. The appara ...


4
Curtis W Thornton: Surgical stapler. Edward Weck & Company, Lawrence S Levinson, John J Archer, May 5, 1987: US04662555 (194 worldwide citation)

A surgical stapler, preferably in a single use disposable form, comprises a combination of a staple feeding mechanism and a staple forming mechanism secured in a frame and an actuating trigger functionally connected to both the staple feeding mechanism and the staple forming mechanism, wherein the s ...


5
Robert L Guest: Spiral multi-lumen catheter. Edward Weck Incorporated, Lawrence S Levinson, Robert E Lee Jr, January 3, 1989: US04795439 (193 worldwide citation)

An improved multi-lumen catheter having lumens which do not extend in a straight line down the length of the catheter is disclosed. The twisting of the catheter provides that side holes which extend into the lumens of the catheter are not aligned in a straight line. Accordingly, when the catheter is ...


6
John M Pawelchak, Yu Chang J Wang, Anthony L LaVia: Lyophilized hydrocolloio foam. E R Squibb & Sons, Lawrence S Levinson, Stephen B Davis, October 6, 1981: US04292972 (175 worldwide citation)

A lyophilized foam sponge product having medically useful hemostatic and adhesive properties formed from the hydrocolloids, gelatin, pectin, and sodium carboxymethylcellulose and having a density of from about 0.01 to about 0.10 grams/cc. The gelatin is present at from about 20% to about 80% by weig ...


7
Miguel Angel Ondetti, David W Cushman: Azetidine-2-carboxylic acid derivatives. E R Squibb & Sons, Lawrence S Levinson, Merle J Smith, September 6, 1977: US04046889 (161 worldwide citation)

New proline derivatives and related compounds which have the general formula ##STR1## are useful as angiotensin converting enzyme inhibitors.


8
Edward W Petrillo Jr: Phosphinylalkanoyl substituted prolines. E R Squibb & Sons, Lawrence S Levinson, Donald J Barrack, June 29, 1982: US04337201 (149 worldwide citation)

Esters of phosphinylalkanoyl prolines and phosphinylalkanoyl substituted prolines are inhibitors of angiotensin converting enzyme and are useful in the treatment of hypertension.


9
James Ling Chen: Surgical bandage. E R Squibb & Sons, Lawrence S Levinson, Merle J Smith, Stephen B Davis, August 3, 1976: US03972328 (146 worldwide citation)

Bandage which can be applied to the skin in place of the normal surgical dressings comprising an adhesive layer, a layer of flexible semi-open cell polymeric foam, and an outer water impervious flexible polymeric film coating.


10
Richard L Mueller: Catheter having slit tip. Edward Weck Incorporated, Lawrence S Levinson, Robert E Lee Jr, January 31, 1989: US04801297 (143 worldwide citation)

The present catheter employee a series of axial slits adjacent to its tip. The slits act to increase the flexibility of the catheter adjacent the tip thereby providing pressure relief in the event of blockage of the lumen at the tip. In addition, by forming the slits as slots, i.e. by removing mater ...



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