Devices and Methods for Obtaining Analyte Sample
First Claim
Patent Images
1. A method of transcutaneously positioning a sensor, the method comprising:
- abrading a target site on a skin surface to a selected depth; and
positioning an implantable portion of a sensor into the skin through the abraded target site.
1 Assignment
0 Petitions
Accused Products
Abstract
Devices, systems and methods for accessing bodily fluid beneath the skin surface by abrading the skin, whereby such bodily fluid may be extracted for ex vivo analysis or whereby an in vivo analyte sensor is implanted at the abrasion site.
-
Citations
52 Claims
-
1. A method of transcutaneously positioning a sensor, the method comprising:
-
abrading a target site on a skin surface to a selected depth; and positioning an implantable portion of a sensor into the skin through the abraded target site. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
-
-
19. A method of transcutaneously accessing bodily fluid, the method comprising:
-
identifying one or more bodily fluid access sites on a skin surface; affixing at least one skin attachment platform to the skin surface adjacent at least one bodily fluid access site; mounting an abrasion device comprising an abrasion head having a blunted skin-contacting surface to the at least one skin attachment member wherein the abrasion head is aligned above the bodily fluid access site; and abrading the skin surface to a selected depth at the bodily fluid access site. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
-
-
30. A transcutaneously implantable sensor comprising:
-
a proximal portion configured for positioning above a skin surface and for connecting with a sensor control unit; and a distal portion having a blunted distal end configured for penetrating through an opening within the stratum corneum layer of the skin. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39)
-
-
40. A method of fabricating a transcutaneously implantable sensor, comprising:
-
providing at least one conductor; forming a sensor housing made of non-conductive material about the at least one conductor, wherein the housing comprises a proximal portion and a distal portion, the proximal portion configured for positioning above a skin surface and for electrically connecting with a sensor control unit, and the distal portion having a blunted distal end configured for penetrating through an opening within the stratum corneum layer of the skin; and forming at least one aperture within an implantable portion of the distal portion of the housing, the aperture configured for exposing the at least one conductor therethrough. - View Dependent Claims (41, 42)
-
-
43. A method of fabricating a transcutaneously implantable sensor, comprising:
-
providing a sensor housing made of non-conductive material, wherein the housing comprises a proximal portion and a distal portion, the proximal portion configured for positioning above a skin surface and for electrically connecting with a sensor control unit, and the distal portion having a blunted distal end configured for penetrating through an opening within the stratum corneum layer of the skin; forming at least one channel within the sensor housing wherein the at least one channel extends from within the distal end of the distal portion to within the proximal portion; providing at least one conductor within the at least one channel; and forming at least one aperture within the distal end of the distal portion of the housing, the aperture configured for exposing the at least one conductor therethrough.
-
-
44. A system for abrading a skin surface, the system comprising:
-
an abrasion device comprising a base unit and a rotatable shaft having an abrasion head provided at a distal end thereof; and a skin attachment platform comprising a bottom surface configured for placement on a skin surface and a top surface configured for releasably mounting the abrasion device thereto, the skin attachment platform further comprising a component for adjusting the depth to which the abrasion head is extendable below the bottom surface of the skin attachment platform when the abrasion device is mounted thereto. - View Dependent Claims (45, 46, 47, 48, 49, 50, 51, 52)
-
Specification