Sensors, cannulas, collars and coated surgical mesh, and corresponding systems and methods
First Claim
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1. An analyte sensor having a sensing element and a support element, at least one of the sensing element and support element having a dehydrated modified basement membrane preparation formed thereon, wherein the modified basement membrane preparation is free from glucose, amino acids, salts and vitamins having a molecular weight of 2000 daltons or less.
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Accused Products
Abstract
Disclosed herein are medical products with a layer of dehydrated modified basement membrane preparation formed thereon. The basement membrane has been modified before dehydration of remove low molecular weight components. Methods of making and using the products also are disclosed.
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Citations
32 Claims
- 1. An analyte sensor having a sensing element and a support element, at least one of the sensing element and support element having a dehydrated modified basement membrane preparation formed thereon, wherein the modified basement membrane preparation is free from glucose, amino acids, salts and vitamins having a molecular weight of 2000 daltons or less.
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11. A method comprising:
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obtaining a basement membrane preparation containing basement membrane and at least one member selected from the group consisting of salts, glucose, individual amino acids, and vitamins, removing at least a portion of at least one of the salts, glucose, individual amino acids and vitamins from the basement membrane to form a modified basement membrane preparation, obtaining a sensor, placing the modified basement membrane preparation in the form of a liquid or gel on the sensor, and dehydrating the modified basement membrane preparation on the sensor. - View Dependent Claims (12, 13, 14, 15, 16, 27, 28)
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- 17. An implantable device comprising a layer of dehydrated modified basement membrane preparation formed thereon, wherein the modified basement membrane preparation is free from glucose, amino acids, salts and vitamins having a molecular weight of 2000 daltons or less, the layer comprising at least one member selected from the group consisting of sleeve-shaped coatings for cannulas, collars for cannulas, sleeve-shaped coatings for sensors, and collars for sensors.
- 20. An implantable device having a collar configured to be disposed at an interface between tissue and the implantable device, the collar being formed from a dehydrated modified extracellular matrix preparation, wherein the modified basement membrane preparation is free from glucose, amino acids, salts and vitamins having a molecular weight of 2000 daltons or less.
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23. A method comprising:
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obtaining a basement membrane preparation containing basement membrane and at least one member selected from the group consisting of salts, glucose, individual amino acids, and vitamins, removing at least a portion of at least one of the salts, glucose, individual amino acids and vitamins from the basement membrane to form a modified basement membrane preparation, obtaining an implantable device comprising at least one member selected from the group consisting of cannulas and sensors, placing the modified basement membrane preparation in the form of a liquid or gel on the implantable device to form at least one of a sleeve and a collar on the device, and dehydrating the modified basement membrane preparation on the implantable device. - View Dependent Claims (24, 31, 32)
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Specification