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Obesity Surgery

Composite-bioabsorbable-materials-and-surgical-articles-made-therefrom

Atherectomy catheter having flexible nose cone

According to the present invention, a vascular atherectomy catheter which comprises a flexible tube ...

Breast prosthesis

Referring now in more detail to the drawing, in which like numerals refer to like parts throughout ...

Method of producing a breast prosthesis

OF THE PREFERRED EMBODIMENT In accordance with the invention FIG. 1 shows a breast prosthesis 10 ...

Soft tissue implant

FIG. 1 depicts a soft tissue implant 10 according to the present invention having been implanted ...

Generator for a pulse train of shockwaves

What we claim is: 1. In an apparatus for generating pulse trains of shockwaves for the contactless ...

Device consisting of a heterologous collagen tube for use in hollow organ sutures

This invention relates to a tubular device of heterologous collagen having considerable advantages ...

Instrument for closing trocar puncture wounds

The present invention provides a novel surgical instrument for applying sutures through body tissue ...

***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE***

Description:...

Double truncoconical spring of wire with circular cross section

What is claimed is: 1. A double truncoconical spring made of wire having a circular cross section, ...

Spiral permanent rods

It is one of the primary objects of the present invention to provide an instrument to perform ...

Composite bioabsorbable materials and surgical articles made therefrom

Details

Inventors: Liu, Cheng-Kung; Jiang, Ying; Roby, Mark S.; Bennett, Steven L.; Stevenson, Richard P.; Pietrangeli, Jeffrey P.;
Assignee: United States Surgical Corporation (Norwalk, CT)
Primary Examiner: Schmidt; Jeffrey A.
Assistant Examiner:
Attorney, Agent or Firm:

The present invention relates to composite materials having a core portion formed from a first bioabsorbable material and at least one shell portion of a second bioabsorbable material joined to the core portion. The first and second bioabsorbable materials have different rates of bioabsorption. In a preferred embodiment, the core portion is coextruded with the shell portion to form a composite filament or sheet. The materials of the present invention may be used as sutures or formed into medical devices or surgical articles for implantation within a living organism.

DETAILED DESCRIPTION The present invention relates to composite materials having a core portion formed from a first bioabsorbable material and at least one shell portion formed from a second bioabsorbable material joined to the core portion.
The first and second bioabsorbable materials have different rates of bioabsorption.
In a preferred embodiment, the core portion is coextruded with the shell portion to form a composite filament or sheet.
The materials of the present invention may be used as sutures or formed into medical devices or surgical articles for implantation within a living organism.

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