1
Piran Sioshansi, Raymond J Bricault Jr: Arthroplasty process for securely anchoring prostheses to bone, and arthroplasty products therefor. Spire Corporation, Thomas J Engellenner, Nutter McClennen & Fish, April 17, 2001: US06217615 (178 worldwide citation)

A synovial prosthetic member includes a body having an articulating surface and an anchor surface, the articulating surface being configured for articulation with another articulating surface of a synovial joint, the anchor surface being configured for cementing to bone, the body being composed of u ...


2
Piran Sioshansi, Raymond J Bricault: Implantable radiotherapy device. RadioMed Corporation, McDermott Will & Emery, February 29, 2000: US06030333 (125 worldwide citation)

A general purpose implantable radiotherapy device for delivering a predetermined dose of radiation in a predetermined radiation pattern. The device includes a biocompatible template adapted for implantation at a treatment site in a patient, and one or more radiation sources which are incorporated di ...


3
Piran Sioshansi, Eric J Tobin, John E Barry, Robert S Farivar: Bactericidal coatings for implants. Spire Corporation, Thomas J Engellenner, John V Lahive & Cockfield Bianco, December 12, 1995: US05474797 (101 worldwide citation)

Polymeric implants provided with coatings of bactericidal compounds in the form of ionized atoms by a vapor process. The polymeric implants include products designed to penetrate or enter the body, such as catheters, shunts connectors and the like. Coatings of bactericidal compounds on the polymeric ...


4
Piran Sioshansi, Richard W Oliver: Ion implantation of plastics. Spire Corporation, Morse Altman Dacey and Benson, May 10, 1988: US04743493 (100 worldwide citation)

An ion implantation process for plastics is disclosed which materially enhances their surface hardness and their resistance to chemical attack. The plastics include the polycarbonates, the acrylics and their combinations, and ultra high molecular weight polyethylenes. The plastics are ion implanted ...


5
Raymond J Bricault Jr, John E Barry, Piran Sioshansi: Catheter having a long-lasting antimicrobial surface treatment. Spire Corporation, Thomas J Engellenner, John V Lahive & Cockfield Bianco, May 28, 1996: US05520664 (98 worldwide citation)

Catheters including at least one component having a tissue interfacing surface characterized by a substantially nonleaching surface treatment of antimicrobial metal. The component can be a subcutaneous cuff, and the antimicrobial metal can be silver. The process for implanting the silver atoms can i ...


6
Piran Sioshansi, Raymond J Bricault Jr: Arthroplasty process for securely anchoring prostheses to bone, and arthroplasty products therefor. Spire Corporation, Thomas J Engellenner, Scott D Nutter McClennen & Fish Rothenberger, April 18, 2000: US06051751 (89 worldwide citation)

A synovial prosthetic member includes a body having an articulating surface and an anchor surface, the articulating surface being configured for articulation with another articulating surface of a synovial joint, the anchor surface being configured for cementing to bone, the body being composed of u ...


7
Piran Sioshansi, Richard W Oliver: Ion implantation of plastic orthopaedic implants. Spire Corporation, Morse Altman Dacey & Benson, July 28, 1992: US05133757 (80 worldwide citation)

A load-bearing plastic orthopaedic joint implant, formed aat least partially of UHMWPE or HDPE material, and a process of subjecting at least the load-bearing surface thereof to ion implantation so as to improve its surface characteristics are disclosed. Such improved surface characteristics result, ...


8
Piran Sioshansi, Raymond J Bricault: Coiled brachytherapy device. RadioMed Corporation, McDermott Will & Emery, July 16, 2002: US06419621 (72 worldwide citation)

A brachytherapy device in the form of a radioactive coiled wire. The wire used to form the coil is typically between about 10 and 200 micrometers in diameter, and the coil formed from the wire has an outer diameter of between about 25 micrometers and about 1000 micrometers. The coil can be formed fi ...


9
Mohammad Farivar, Piran Sioshansi: Metallized polymeric implant with ion embedded coating. Spire Corporation, Thomas J Engellenner, John V Lahive & Cockfield Bianco, November 21, 1995: US05468562 (55 worldwide citation)

Surface metallized polymeric implants, such as cannula, needles, catheters, connectors and the like, a dry coating method therefor and apparatus to accomplish the same are disclosed. The metallization of the implants is intended to improve their biocompatibility and to reduce infusion-associated phl ...


10
Piran Sioshansi: Ion implanation of titanium workpieces without surface discoloration. Spire Corporation, Morse Altman & Dacey, September 15, 1987: US04693760 (55 worldwide citation)

A process for preventing surface discoloration in orthopedic implants made of titanium and its alloys is disclosed. Such surface discoloration is apt to occur when the orthopedic implants are ion implanted to improve their wear characteristics. The process essentially includes exposing all fixtures ...