Lancing device for taking blood samples

• US 20140100482A1
• Filed: 10/04/2013
• Published: 04/10/2014
• Est. Priority Date: 10/04/2012
• Status: Active Grant

• Current Assignee: Gerresheimer Regensburg GmbH (Gerresheimer AG)
• Original Assignee: Gerresheimer Regensburg GmbH (Gerresheimer AG)
• Inventors: VOLKMUTH, Julia, EDER, Andreas
• Granted Patent: US 10,010,283 B2
• Time in Patent Office: Days
• US Class Current: 600/583
• CPC Class Codes: A61B 5/150022 for capillary blood or interstitial fluid
• CPC Class Codes: A61B 5/150259 Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
• CPC Class Codes: A61B 5/150412 Pointed piercing elements, e.g. needles, lancets for piercing the skin blade-like piercing elements A61B5/150442
• CPC Class Codes: A61B 5/150503 Single-ended needles hollow piercing element tip design A61B5/150396, needle sets for catheters A61M25/06, needles for bringing media into the body A61M5/32
• CPC Class Codes: A61B 5/150824 by visual feedback
• CPC Class Codes: A61B 5/15113 Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
• CPC Class Codes: A61B 5/15115 Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
• CPC Class Codes: A61B 5/15117 comprising biased elements, resilient elements or a spring, e.g. a helical spring, leaf spring, or elastic strap
• CPC Class Codes: A61B 5/1513 comprising linear sliding guides comprising tooth-shaped elements A61B5/15132
• CPC Class Codes: A61B 5/1519 comprising driving means, e.g. a spring, for propelling the piercing unit

Abstract

The invention relates to a lancing device (1) for taking blood samples, comprising a housing (2), an axially displaceable lancet holder element (32) for holding a lancet (12), and a display apparatus (40) for displaying the respective operating states (41, 42) of the lancing device (1), the display apparatus (40) comprising a release element (13) for initiating a lancing procedure, in which the axially displaceable lancet holder element (32) is accelerated in a lancing direction (18), in which, when the lancing device (1) is in an operating state (41) ready for lancing, the release element (13) is arranged in a disengaged display position (43) projecting further outwards over the outer housing surface (15) than when the lancing device (1) is in a different operating state (42).

Claims

1. A lancing device for taking blood samples, comprising a housing, an axially displaceable lancet holder element for holding a lancet, and a display apparatus for displaying respective operating states of the lancing device, the display apparatus comprising a release element for initiating a lancing procedure, in which the axially displaceable lancet holder element is accelerated in a lancing direction, the release element, when the lancing device is in an operating state ready for lancing, being arranged in a disengaged display position projecting further outwards over an outer housing surface than when the lancing device is in a different operating state;

the release element being arranged in the housing of the lancing device such that it can be disengaged from the housing by an axially slidably mounted tensioning carriage part of a tensioning unit of the lancing device, wherein for this purpose the axially slidably mounted tensioning carriage part is movable in the lancing direction and the release element, in the operating state ready for lancing, automatically remains in the disengaged display position and interacts with the tensioning carriage part only during establishment of the operating state ready for lancing.

2. The lancing device according to claim 1, wherein the release element comprises a disengagement rib part for introducing disengagement forces into the release element.

3. The lancing device according to claim 2, wherein the disengagement rib part extends from a push-piece and display head part of the release element into a longitudinal-extension sliding plane of the axially slidably mounted tensioning carriage part, in which the axially slidably mounted tensioning carriage part is arranged axially slidably at least in part.

4. The lancing device according to claim 3, wherein the longitudinal-extension sliding plane is arranged between a central longitudinal axis and the release element.

5. The lancing device according to claim 2, wherein the disengagement rib part comprises a disengagement bevel which is inclined in relation to the lancing direction.

6. The lancing device according to claim 1, further comprising a tensioning unit comprising at least an axially slidably mounted tensioning carriage part, the axially slidably mounted tensioning carriage part comprising at least one actuation element, for disengaging the release element.

7. The lancing device according to claim 6, wherein the at least one actuation element comprises an arm part aligned with the lancing direction, which arm part comprises an actuation bevel which is inclined in relation to the lancing direction.

8. The lancing device according to claim 1, further comprising a holding apparatus for temporarily holding the release element in the disengaged display position.

9. The lancing device according to claim 8, wherein the holding apparatus comprises snap elements on the release element and corresponding elevation elements on the housing, behind which elevation elements said snap elements can snap.