Surgical mesh with dimensionally stabilized pore
Inventors
Assignees
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Publication Number
US-10188493-B2
Publication Date
2019-01-29
Expiration Date
Abstract
A system, method and fabric having a dimensionally stabilized pore. The system has a mesh fabric having a pore, such pore having a first pore perimeter. The system has a support having a support outer perimeter. The support is received into the pore so that the pore perimeter is in contact with the outer support perimeter. When the fabric is thermoset, the pore permanently assumes the shape of the outer support perimeter.
Core Innovation
The disclosed invention relates to surgical mesh fabric having a dimensionally stabilized pore formed within a mesh knit fabric. The pore is stabilized by temporarily holding the mesh fabric taut and inserting a support into a targeted pore so the pore perimeter contacts an outer perimeter of the support.
A mesh knit fabric made of a plurality of thermoplastic polymer yarns is provided, where the fabric has a first pore with a first perimeter. A frame comprising pins is used, and at least a portion of the fabric surrounding the first pore is placed over the pins so the fabric is temporarily held taut to define a taut fabric portion.
A support having an outer perimeter comprising a shape and a tapered section is inserted into the first pore so that the first pore perimeter is in contact with the outer perimeter. The taut fabric portion and the support are placed in an oven for a predetermined time at a predetermined temperature so that the first pore perimeter assumes the shape of the outer perimeter of the support.
Claims Coverage
The document provides three independent claims. Each claim centers on forming a dimensionally stabilized pore in a mesh knit fabric using taut placement on a pins frame, insertion of a support into the pore with perimeter contact, and heat setting at a predetermined time and temperature so the pore perimeter takes on the support’s outer perimeter shape.
Stabilizing a pore by taut holding, inserting a tapered support, and oven heat setting
Stabilizing a pore within a mesh fabric by providing a mesh knit fabric made of a plurality of thermoplastic polymer yarns having a first pore with a first perimeter; providing a frame comprising pins and placing at least a portion of the fabric surrounding the first pore over the pins so the portion is temporarily held taut; providing a support having an outer perimeter comprising a shape and having a tapered section; inserting the support into the first pore so that the first pore perimeter is in contact with the outer perimeter of the support; and placing the taut fabric portion and the support in an oven for a predetermined time at a predetermined temperature, whereby the first pore perimeter assumes the shape of the outer perimeter of the support.
System for forming a stabilized pore using pins frame, tapered support contact, and heat setting
Providing a system for forming a stabilized pore within a mesh fabric comprising: a mesh fabric having at least one pore with a pore perimeter; a frame having pins for receiving the mesh fabric; and a support having an outer perimeter and a tapered section received into the pore so that the pore perimeter is in contact with the outer perimeter of the support, whereby when the mesh fabric is taut within the pins of the frame and is heat set for a predetermined time at a predetermined temperature, the first pore assumes the dimension of the outer support perimeter.
Stabilizing a pore by inserting a tapered support and oven heat setting so perimeter conforms
Stabilizing a pore within a mesh fabric by providing a mesh knit fabric made of a plurality of thermoplastic polymer yarns having a first pore with a first perimeter; providing a support having an outer perimeter comprising a shape and having a tapered section; inserting the support into the first pore so that the first pore perimeter is in contact with the outer perimeter of the support; and placing the fabric and the support in an oven for a predetermined time at a predetermined temperature, whereby the first pore perimeter assumes the shape of the outer perimeter of the support.
Across the independent claims, pore stabilization is achieved by perimeter-contacting a tapered support inside a pore while the mesh is temporarily held taut on a pins frame, followed by oven heat setting for a predetermined time at a predetermined temperature so the pore perimeter assumes the support outer perimeter shape.
Stated Advantages
Dimensionally stabilized pores show generally higher burst strength compared with cut pores and are nearly comparable to no-pore mesh in the burst strength test.
Documented Applications
The document describes cell in-growth related to pelvic floor and abdominal wall reinforcement.
The document describes using pores or stabilized pore structures for attachment points and suture guidance.
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