Transcutaneous sensor insertion set

A - Human Necessities – 61 – B

Patent

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Details

IPC codes

A61B 10/00 (2006.01) A61B 5/00 (2006.01) A61B 17/34 (2006.01) A61M 25/06 (2006.01)

Type

Patent

Patent number

CA 2186886

Description

An insertion set (10) is provided for transcutaneous placement of a sensor (12) such as a glucose sensor at a selected site within the body of a patient. The insertion set (10) comprises a slotted insertion needle (14) extending through a mounting base (26) adapted for mounting onto the patient's skin. A flexible thin film sensor (12) includes a proximal segment (20) carried by the mounting base (26) and defining conductive contacts unnumbered, adapted for electrical connection to a suitable monitor (22), and a distal segment (16) protruding from the mounting base (26) with sensor electrodes (18) for transcutaneous placement. The distal segment of the sensor extends within a protective cannula (15), a portion of which is slidably disposed within the insertion needle (14). Placement of the mounting base (26) onto the patient's skin causes the insertion needle (14) to pierce the skin for transcutaneous placement of the cannula (15) with the sensor (12) therein.

On décrit un ensemble (10) d'insertion destiné au placement percutané d'un capteur (12), tel qu'un capteur de glucose, dans un endroit choisi du corps d'un patient. Cet ensemble (10) comprend une aiguille (14) d'insertion pourvue d'une fente et s'étendant à travers un socle (26) conçu pour être appliqué sur la peau d'un patient. Un capteur (12) sous forme d'un film mince flexible comprend un segment (20) proximal porté par le support (26) et qui détermine des contacts conducteurs, non numérotés, conçus pour être raccordés électriquement à un moniteur (22) approprié, ainsi qu'un segment (16) distal, saillant du socle (26) et pourvu d'électrodes (18) de capteur destinées au placement percutané. Le segment distal du capteur s'étend à l'intérieur d'une canule (15) protectrice dont une portion est placée coulissante dans l'aiguille (14) d'insertion. Le positionnement du socle (26) sur la peau du patient provoque l'insertion de l'aiguille (14) par percement de la peau, ce qui assure le placement percutané, dans le corps du patient, de la canule (15) munie du capteur (12).

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