Patient's skin puncturing device

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/145 (2006.01)

Patent

CA 2673023

A patient's skin puncturing device according to the present invention is built of a body (1) and of seated therein a pricking needle assembly (3) and of a push-button (5) arranged in the upper portion of the body (1). Between the push-button (5) and the pricking needle assembly (3) at least two driving springs (9) are arranged. The driving springs (9) are connected by upper ends with the push-button (5) provided with a pushing face (8). Between the body (1) and the pricking needle assembly (3) at least two return springs (30) are disposed, which are connected with the body (1). The pricking needle assembly (3) has a driving face (24) cooperating with the pushing face (8) of the push-button (5), and in the upper portion has wings (12) which upper surfaces cooperate with the driving springs (9) of the push-button (5) and which lower surfaces cooperate with the return springs (30), and has outer projections (17) cooperating with inner projections (18) with which the body (1) is provided.

Cette invention concerne un dispositif permettant de perforer la peau d'un patient, lequel dispositif comprend un corps (1) sur lequel sont placés un ensemble piquoir (3) et un bouton-poussoir (5) dans la partie supérieure du corps (1). Au moins deux ressorts d'entraînement (9) sont placés entre le bouton-poussoir (5) et l'ensemble piquoir (3). Les ressorts d'entraînement (9) sont reliés par des extrémités supérieures avec le bouton-poussoir (5) pourvu d'une face de poussée (8). Au moins deux ressorts de rappel (30) sont disposés entre le corps (1) et l'ensemble piquoir (3), lesquels ressorts sont connectés avec le corps (1). Le piquoir (3) est pourvu d'une face d'entraînement (24) coopérant avec la face de poussée (8) du bouton-poussoir (5) et, dans sa partie supérieure, il est pourvu d'ailettes (12) dont les surfaces supérieures coopèrent avec les ressorts d'entraînement (9) du bouton-poussoir (5) et dont les surfaces inférieures coopèrent avec les ressorts de rappel (30); il présente également des saillies extérieures (17) qui coopèrent avec des saillies intérieures (18) ménagées sur le corps (1).

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