Patent US6368274B1 successfully refreshed from Google Patents.
US6368274B1
Expired / Lapsed
US
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Reusable analyte sensor site and method of using the same
Assignee: Medtronic Minimed Inc
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Filing: 2000-05-08
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Granted: 2002-04-09
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Expires: 2020-05-08
Abstract
Abstract A reusable analyte sensor site for use with a replaceable analyte sensor for determining a level of an analyte includes a site housing. Preferably, the site housing material is formed to have an interior cavity with an opening and a conduit that is connected to the opening of the interior tissue ingrowth and vasuclarization, and yet be free of tissue ingress. Also, the site housing material permits the analyte to pass through the site housing material to the interior cavity to permit measurement by the replaceable analyte sensor. In addition, the conduit has a predetermined length to inhibit trauma and encapsulation of tissue occurring at the conduit, which is associated with placing the replaceable analyte sensor in the interior cavity of the site housing, from interfering with the tissue ingrowth and vascularization surrounding the interior cavity of the site housing material.
Inventors
- 👤 William P. Van Antwerp
- 👤 John J. Mastrototaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:47
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/145; A61B5/14532; A61M; A61M39/00; A61M39/02; A61M39/0208
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
152 words
A reusable analyte sensor site for use with a replaceable analyte sensor for determining a level of an analyte, the site comprising: a site housing material formed to have an interior cavity with an opening and a conduit that is connected to the opening of the interior cavity to provide access to the interior cavity, wherein the site housing material is selected to promote tissue ingrowth and vasuclarization and be free of tissue ingress, wherein the site housing material permits the analyte to pass through the site housing material to the interior cavity to permit measurement by the replaceable analyte sensor, and wherein the conduit has a predetermined length to inhibit trauma and encapsulation of tissue occurring at the conduit, associated with placing the replaceable analyte sensor in the interior cavity of the site housing, from interfering with the tissue ingrowth and vascularization surrounding the interior cavity of the site housing material.
Claim 2
Dependent Claim
152 words
A reusable analyte sensor site for use with a replaceable analyte sensor for determining a level of an analyte, the site comprising: a site housing material formed to have an interior cavity with an opening and a conduit that is connected to the opening of the interior cavity to provide access to the interior cavity, wherein the site housing material is selected to promote tissue ingrowth and vasuclarization and be free of tissue ingress, wherein the site housing material permits the analyte to pass through the site housing material to the interior cavity to permit measurement by the replaceable analyte sensor, and wherein the conduit has a predetermined length to inhibit trauma and encapsulation of tissue occurring at the conduit, associated with placing the replaceable analyte sensor in the interior cavity of the site housing, from interfering with the tissue ingrowth and vascularization surrounding the interior cavity of the site housing material.
Claim 3
Dependent Claim
18 words
A site according to claim 1 , wherein the conduit has a length of at least 5 millimeters.
Claim 4
Dependent Claim
23 words
A site according to claim 1 , wherein the site housing material has a porosity in a range from 2 to 25 microns.
Claim 5
Dependent Claim
17 words
A site according to claim 1 , wherein the site housing is for implantation into sub-dermal tissue.
Claim 6
Dependent Claim
17 words
A site according to claim 1 , wherein the site housing is for implantation into inter-peritoneal tissue.
Claim 7
Dependent Claim
25 words
A site according to claim 1 , wherein the site housing material is selected from a group of materials consisting essentially of Teflon and Dacron.
Claim 8
Dependent Claim
32 words
A site according to claim 1 , wherein the site housing will last for a period of time such that it can be used with two or more consecutive replaceable analyte sensors.
Claim 9
Dependent Claim
24 words
A site according to claim 1 , wherein the site housing material passes glucose, and wherein the replaceable analyte sensor is a glucose sensor.
Claim 10
Independent Claim
164 words
A system for measuring analyte in a body of a user, the system comprising: a replaceable analyte sensor for determining a level of an analyte; and a reusable analyte sensor site made from a site housing material formed to have an interior cavity with an opening and a conduit that is connected to the opening of the interior cavity to provide access to the interior cavity, wherein the site housing material is selected to promote tissue ingrowth and vasuclarization and be free of tissue ingress, wherein the site housing material permits the analyte to pass through the site housing material to the interior cavity to permit measurement by the replaceable analyte sensor, and wherein the conduit has a predetermined length to inhibit trauma and encapsulation of tissue occurring at the conduit, and associated with placing the replaceable analyte sensor in the interior cavity of the site housing, from interfering with the tissue ingrowth and vascularization surrounding the interior cavity of the site housing material.
Claim 11
Independent Claim
164 words
A system for measuring analyte in a body of a user, the system comprising: a replaceable analyte sensor for determining a level of an analyte; and a reusable analyte sensor site made from a site housing material formed to have an interior cavity with an opening and a conduit that is connected to the opening of the interior cavity to provide access to the interior cavity, wherein the site housing material is selected to promote tissue ingrowth and vasuclarization and be free of tissue ingress, wherein the site housing material permits the analyte to pass through the site housing material to the interior cavity to permit measurement by the replaceable analyte sensor, and wherein the conduit has a predetermined length to inhibit trauma and encapsulation of tissue occurring at the conduit, and associated with placing the replaceable analyte sensor in the interior cavity of the site housing, from interfering with the tissue ingrowth and vascularization surrounding the interior cavity of the site housing material.
Claim 12
Dependent Claim
18 words
A system according to claim 9 , wherein the conduit has a length of at least 5 millimeters.
Claim 13
Dependent Claim
23 words
A system according to claim 9 , wherein the site housing material has a porosity in a range from 2 to 25 microns.
Claim 14
Dependent Claim
19 words
A system according to claim 9 , wherein the reusable analyte sensor site is for implantation into sub-dermal tissue.
Claim 15
Dependent Claim
19 words
A system according to claim 9 , wherein the reusable analyte sensor site is for implantation into inter-peritoneal tissue.
Claim 16
Dependent Claim
28 words
A system according to claim 9 , wherein the reusable analyte sensor site housing material is selected from a group of materials consisting essentially of Teflon and Dacron.
Claim 17
Dependent Claim
34 words
A system according to claim 9 , wherein the reusable analyte sensor site will last for a period of time such that it can be used with two or more consecutive replaceable analyte sensors.
Claim 18
Dependent Claim
24 words
A system according to claim 9 , wherein the site housing material passes glucose, and wherein the replaceable analyte sensor is a glucose sensor.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-04-08 | 2005-10-08 | 2006-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-04-08 | 2009-10-08 | 2010-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-04-08 | 2013-10-08 | 2014-04-09 | $7700.00 | Window Closed / Lapsed |