Invention Grant
- Patent Title: Method of making a polyhydroxyalkanoate filament
- Patent Title (中): 制备聚羟基链烷酸酯长丝的方法
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Application No.: US11193580Application Date: 2005-07-29
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Publication No.: US07641825B2Publication Date: 2010-01-05
- Inventor: Said Rizk
- Applicant: Said Rizk
- Applicant Address: US MA Cambridge
- Assignee: Tepha, Inc.
- Current Assignee: Tepha, Inc.
- Current Assignee Address: US MA Cambridge
- Agency: Pabst Patent Group LLP
- Main IPC: D01D5/084
- IPC: D01D5/084 ; D01D5/16 ; D01F6/62 ; D02J1/22

Abstract:
Absorbable polyester fibers, braids, and surgical meshes with improved handling properties have been developed. These devices are preferably derived from biocompatible copolymers or homopolymers of 4-hydroxybutyrate. These devices provide a wider range of in vivo strength retention properties than are currently available and have a decreased tendency to curl, in the preferred embodiment, due to the inclusion of relaxation and annealing steps following methods are characterized by the following physical properties: (i) elongation to break from about 17% to about 85% (ii) Young's modulus of less than 350,000 psi, (iii) knot to straight ratio (knot strength/tensile strength) of 55-80% or (iv) load at break from 1100 to 4200 grams.
Public/Granted literature
- US20060058470A1 Non-curling polyhydroxyalkanoate sutures Public/Granted day:2006-03-16
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