Blood collection system
In order to be able to reuse the lancets (5) that are stored in a lancet storage container (6) and used in a blood withdrawal system for taking a blood sample for analytical and diagnostic purposes, and in order to reduce the time period elapsing until the puncturing motion is performed, it is proposed to provide a lancet tip protective element (13) in a parking position of the lancets (5) by means of which the lancet tip is protected mechanically and hygienically.
1 . A blood withdrawal system for collecting blood for analytical or diagnostic purposes, comprising:
a housing with an exit opening for the lancet tip of the lancet needle of a lancet that can be is moved in the housing along a predetermined puncturing path,
a lancet guide which guides the lancet along the predetermined puncturing path,
a lancet drive which drives the lancet along the predetermined puncturing path in the puncturing direction until its tip, is in a puncturing position,
a lancet storage container arranged in the housing and in which a plurality of lancets stored at a removal position for removal from the lancet storage container,
a lancet tip protective element, into which the lancet tip can be inserted before or after a puncturing motion, whereby the protective element mechanically and hygienically protects a lancet tip that is inserted therein, and
the lancet tip protective element being arranged on the lancet tip in a parking position of the lancets, the parking position not coinciding with the removal position or the puncturing position.
2 . The blood withdrawal system of claim 1 , wherein the lancet tip protective element and the parking position are arranged proximate the exit opening.
3 . The blood withdrawal system of claim 1 , wherein the lancet tip protective element is stationary in the housing.
4 . The blood withdrawal system of claim 1 , wherein the lancet tip protective element is adapted to be driven onto the lancet tip.
5 . The blood withdrawal system of claim 1 , wherein the lancet can be driven by the lancet drive into the parking position, in which the lancet tip is situated in the lancet tip protective element.
6 . The blood withdrawal system of claim 1 , further comprising a holding facility for holding the lancet in the parking position.
7 . The blood withdrawal system of claim 1 , wherein the lancet tip protective element is arranged such that the lancet tip can be inserted into the lancet tip protective element by a motion that proceeds parallel to the puncturing motion.
8 . The blood withdrawal system of claim 1 , wherein the lancet tip protective element is arranged in the lancet storage container+.
9 . The blood withdrawal system of claim 1 , wherein the lancet tip protective element comprises an elastic material into which the lancet tip can be inserted.
10 . The Bleed blood withdrawal system of claim 1 , characterized in that the lancet tip protective element comprises a sterilizing, microbicidal, inactivating, disinfecting, bactericidal or fungicidal material for cleaning or protecting the lancet tip.
11 . The blood withdrawal system of claim 9 , wherein the elastic material comprises a sterilizing, microbicidal, inactivating, disinfecting, bactericidal or fungicidal material for cleaning or protecting the lancet tip.
12 . The blood withdrawal system of claim 9 , wherein the elastic material comprises a cover made of an absorbent material.
13 . The blood withdrawal system of claim 1 , wherein the lancet tip protective element is replaceable.
14 . The blood withdrawal system of claim 1 , wherein a lancet can be used repeatedly to collect multiple blood samples and can be driven into the lancet tip protective element between puncturing motions.
15 . The blood withdrawal system of claim 1 , further comprising operating elements the user can use to set whether a new lancet from the lancet storage container or a lancet from the parking position in the lancet tip protective element that was used previously for taking a blood sample is used for the subsequent blood taking process.
16 . The blood withdrawal system of claim 1 , further comprising a test element cartridge.
17 . A blood analysis device, comprising a blood withdrawal system according to claims 1 .
18 . A method for drawing a blood sample with a blood withdrawal system comprising a housing with an exit opening for the lancet tip of the lancet needle of a lancet that is moved in the housing along a predetermined puncturing path and a lancet guide which guides the lancet along the predetermined puncturing path, a lancet drive which drives the lancet in the puncturing direction, and a lancet storage container that is arranged in the housing and in which a plurality of lancets is stored at a removal position for removal from the lancet storage container, the method comprising, inserting the lancet tip into a lancet tip protective element before or after a puncturing motion, whereby the protective element mechanically and hygienically protects a lancet tip that is inserted therein, and arranging the lancet tip protective element on the lancet tip in a parking position of the lancets, whereby the parking position does not coincide with the removal position and the puncturing position.
19 . The method of claim 18 , wherein the lancet tip protective element and the parking position are arranged proximate the exit opening.
20 . The method of claim 18 , wherein the lancet tip protective element is stationary in the housing.
21 . The method of claim 18 further comprising driving the lancet tip protective element onto the lancet tip.
22 . The method of claim 18 further comprising driving the lancet into the parking position, in which the lancet tip is situated in the lancet tip protective element.
23 . The method of claim 18 , further comprising holding the lancet in the parking position by a holding facility.
24 . The method of claim 18 , further comprising arranging the lancet tip protective element such that the lancet tip is inserted into the lancet tip protective element by a motion that proceeds parallel to the puncturing motion.
25 . The method of claim 18 , further comprising transporting a lancet that was used to perform a puncturing motion to the lancet storage container.
26 . The method of claim 25 , further comprising inserting the used lancet into a lancet tip protective element before transporting it back to the lancet storage container and placing it in the parking position.
27 . The method of claim 18 , further comprising replacing the lancet storage container.
28 . The method of claim 18 , wherein a lancet is used to take a multiple blood samples and is driven into the lancet tip protective element between the puncturing motions.