1
John M Levin: Tissue retaining clamp. Caesar Rivise Bernstein Cohen & Pokotilow, September 16, 1997: US05667526 (587 worldwide citation)

A surgical clamp has pivoting jaws with undulating arrays of teeth that are interdigitating and offset with relation to each other. This clamp structure assures a firm, non-slipping grip in the presence of blood and body fluids during surgery. The inner surfaces of the jaws are concave to allow the ...


2
John M Levin: Insulated surgical scissors. Caesar Rivise Bernstein Cohen & Pokotilow, October 27, 1998: US05827281 (357 worldwide citation)

An insulated surgical scissors, having a monopolar or a bipolar scissors construction, that can be used during laparoscopic, endoscopic and open surgery for cutting and coagulating tissue.


3
John M Levin: Tissue hooks and tools for applying same. Caesar Rivise Bernstein Cohen & Pokotilow, November 16, 1999: US05984949 (330 worldwide citation)

A unitary tissue hook for permanently joining tissue segments together includes a base section and at least one pair of spaced apart arms. A first end of each of the arms is joined to the base section and a second end of each of the arms is provided with a tip. The tips of at least one pair of arms ...


4
John M Levin: Biopsy needle with cauterization feature. Caesar Rivise Bernstein Cohen & Pokotilow, November 26, 1996: US05578030 (140 worldwide citation)

A biopsy needle cauterizes the wound caused by the taking of a tissue specimen and the tissues in contact with the biopsy needle prior to withdrawal of the biopsy needle from a person, thereby minimizing bleeding and preventing the proliferation of any existing cancer cells along the path of inserti ...


5
John M Levin: Laparoscopic surgery simulating game. Caesar Rivise Bernstein Cohen & Pokotilow, March 22, 1994: US05295694 (133 worldwide citation)

A game and method of playing it to simulate a minimally invasive surgical procedure. The game comprises, a base member over which a transparent domed cover having a pair of openings is located. The cover defines a work space thereunder. The base member includes a graphic likeness of a being, e.g., a ...


6
John M Levin: Tissue sampling and removal device. Caesar Pivise Bernstein Cohen & Pokotilow, March 22, 1994: US05295990 (101 worldwide citation)

A device for removing a tissue portion and cauterizing surrounding tissue, includes a pair of cutting jaws having a heat-insulated inner surface defining a chamber for retaining tissue cut by the jaws. The device includes actuating means for pivoting the cutting jaws between opened and closed positi ...


7
John M Levin: Universal dissector. Caesar Rivise Bernstein Cohen & Pokotilow, December 14, 1999: US06001120 (81 worldwide citation)

A surgical dissector has two sets of dissecting jaws with serrated inner surfaces to firmly grasp and dissect tissue. The second set of jaws projects transversely from the first set of jaws. Both sets of jaws are curved, and in one alternative, curvature of the second set of jaws is in a direction o ...


8
John M Levin: Insulated surgical scissors including cauterizing tip. Caesar Rivise Bernstein Cohen & Pokotilow, May 13, 2003: US06562035 (81 worldwide citation)

An insulated surgical scissors including a cauterizing tip that permits a surgeon the ability to mechanically cut tissue that is purchased between the cutting blades of the scissors and to apply a cauterization current to a precise portion of the seized tissue, thereby minimizing inadvertent burning ...


9
John M Levin: Electrosurgical instrument with separate cutting and coagulating members. Caesar Rivise Bernstein Cohen & Pokotilow, April 22, 2003: US06551313 (70 worldwide citation)

An electrosurgical instrument having a working end that utilizes a coagulation surface and a cutting surface that can be moved relative to each other and wherein only one of the two surfaces is electrically enabled depending on their relative positions. The user can then depress a switch to activate ...


10
John M Levin: Fluid delivery system. Caesar Rivise Bernstein Cohen & Pokotilow, October 7, 2003: US06629950 (49 worldwide citation)

A fluid delivery system that is implantable in the body for delivering treatment fluids to a person. The delivery system includes a fluid-containing sack positioned in the body which is responsive to internal pressure changes resulting from the breathing pattern of the person. The delivery system al ...