Ying Qi Jiang

US Patent:

6494898, Dec 17, 2002

Filed:

Sep 26, 1998

Appl. No.:

09/161606

Inventors:

Mark S. Roby - Killingworth CT
Ying Jiang - Raleigh NC
Lyudmila K. Kokish - Orange CT

Assignee:

United States Surgical Corporation - Norwalk CT

International Classification:

A61B 1704

US Classification:

606230, 606231, 525411, 525413, 528354

Abstract:

A synthetic absorbable monofilament comprising glycolide and epsilon caprolactone is provided. The monofilament exhibits physical characteristics equivalent to or superior than gut sutures. The monofilaments can be fabricated into a wide variety of surgical devices such as sutures, meshes, and the like.

US Patent:

59028742, May 11, 1999

Filed:

Jan 28, 1998

Appl. No.:

8/999643

Inventors:

Mark S. Roby - Killingworth CT
Ying Jiang - North Haven CT

Assignee:

United States Surgical Corporation - Norwalk CT

International Classification:

C08G69/44

US Classification:

528310

Abstract:

Cyclic monomers prepared by novel methods are useful in making polyesteramides which can be made into shaped articles, particularly, shaped articles suitable for use as surgical devices.

US Patent:

55059520, Apr 9, 1996

Filed:

Apr 19, 1994

Appl. No.:

8/229970

Inventors:

Ying Jiang - North Haven CT
Elliott A. Gruskin - Killingworth CT

Assignee:

United States Surgical Corporation - Norwalk CT

International Classification:

A61L 1500
A61L 3100

US Classification:

424423

Abstract:

Synthetic, cross-linked amino-acid containing polymers are useful in forming medical devices. The hydrogels of the invention are particularly useful in wound healing and anti-adhesion applications.

US Patent:

62077678, Mar 27, 2001

Filed:

Nov 26, 1997

Appl. No.:

8/979009

Inventors:

Steven L. Bennett - New Haven CT
Ying Jiang - North Haven CT
Elliott A. Gruskin - Killingsworth CT
Kevin M. Connolly - Hamden CT

Assignee:

United States Surgical Corporation - Norwalk CT

International Classification:

C08G64/02;63/06
7
A61L24/04
31/06

US Classification:

525415

Abstract:

Star polymers of soft segment forming monomers are useful in forming surgical devices. The star polymers can be encapped with isocyanate, mixed with a filler and/or cross-linked. The polymer compositions are useful, for example, as fiber coatings, surgical adhesives or bone putty, or tissue growth substrate.

US Patent:

54809630, Jan 2, 1996

Filed:

Jul 22, 1994

Appl. No.:

8/279126

Inventors:

Ying Jiang - North Haven CT
John S. Bobo - Guilford CT
Elliott A. Gruskin - Killingworth CT

Assignee:

United States Surgical Corporation - Norwalk CT

International Classification:

C08G 6312

US Classification:

528350

Abstract:

Bioabsorbable copolymers are derived from tricarboxylic acids and triols. The copolymers are useful in forming surgical articles including, sutures, suture coatings, and gels for promoting tissue repair.

US Patent:

59391910, Aug 17, 1999

Filed:

Jun 23, 1997

Appl. No.:

8/880303

Inventors:

Steven L. Bennett - Southington CT
Ying Jiang - North Haven CT
Mark S. Roby - Killingworth CT
Nagabhushanam Totakura - North Haven CT

Assignee:

United States Surgical Corporation - Norwalk CT

International Classification:

B05D 136
A61B 1704

US Classification:

428375

Abstract:

A gut suture is coated with a bioabsorbable copolymer obtained by polymerizing a major amount of. epsilon. -caprolactone and a minor amount of at least one other copolymerizable monomer in the presence of polyhydric alcohol as initiator. The coated gut suture can be packaged in the absence of conventional tubing fluid, i. e. , in the dry state, while at the same time retaining flexibility, pliability and resistance to fray. In an alternative embodiment, a gut suture is coated with a pre-coating composition prior to being coated with the bioabsorbable copolymer.

US Patent:

60075651, Dec 28, 1999

Filed:

Sep 5, 1997

Appl. No.:

8/924359

Inventors:

Mark Roby - Killingworth CT
Ying Jiang - North Haven CT

Assignee:

United States Surgical - Norwalk CT

International Classification:

A61B 1700

US Classification:

606228

Abstract:

Block copolymers wherein the first block contains from about 40 to about 65 mole percent of repeating units derived from glycolide randomly combined with from about 60 to 35 mole percent of repeating units derived from lactide and the second block contains repeating units derived from glycolide and repeating units derived from lactide, the second block containing a higher proportion of repeating units derived from glycolide than the first block, with units derived from glycolide constituting from about 75 to about 95 mole percent of the entire block copolymer are useful in forming surgical articles, including sutures.

US Patent:

53917073, Feb 21, 1995

Filed:

Dec 10, 1993

Appl. No.:

8/165434

Inventors:

Ying Jiang - North Haven CT

Assignee:

United States Surgical Corporation - Norwalk CT

International Classification:

C08G 6308
A61B 1700

US Classification:

528354

Abstract:

Processes of producing 1,4-dioxan-2-one (p-dioxanone) are improved by the addition of a blocking agent to a crude reaction product containing p-dioxanone. The blocking agent reacts with unreacted starting materials in the crude reaction product to protect the active sites thereon with groups that do not initiate polymerization of p-dioxanone. The polymerization of p-dioxanone before its recovery from the process is thereby inhibited.