CN103705253B - For the blood-taking device of blood sample collection - Google Patents
For the blood-taking device of blood sample collection Download PDFInfo
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- CN103705253B CN103705253B CN201310465580.7A CN201310465580A CN103705253B CN 103705253 B CN103705253 B CN 103705253B CN 201310465580 A CN201310465580 A CN 201310465580A CN 103705253 B CN103705253 B CN 103705253B
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- blood
- axially movable
- taking device
- holding element
- puncture
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
- A61B5/15188—Constructional features of reusable driving devices
- A61B5/15192—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing
- A61B5/15194—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing fully automatically retracted, i.e. the retraction does not require a deliberate action by the user, e.g. by terminating the contact with the patient's skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150412—Pointed piercing elements, e.g. needles, lancets for piercing the skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150503—Single-ended needles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15107—Piercing being assisted by a triggering mechanism
- A61B5/15113—Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15115—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
- A61B5/15117—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 comprising biased elements, resilient elements or a spring, e.g. a helical spring, leaf spring, or elastic strap
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
- A61B5/15188—Constructional features of reusable driving devices
- A61B5/1519—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for propelling the piercing unit
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150259—Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The present invention relates to a kind of blood-taking device for blood sample collection (1), comprise housing (2), for keeping the axially movable lancet holding element (22) of replaceable lancet (12), for the tensioning button member (14) of tensioning puncture spring element (31), above can be advanced by puncture direction (18) in puncture program process by the described axially movable lancet holding element (22) of this tensioning button member (14), for the device stoping the accident of described axially movable lancet holding element (22) on described puncture direction (18) to move axially, for starting the release-push element (13) of described puncture program, and release for passing through an axis on described puncture direction (18) the release button member (16) that described lancet (12) is released in motion, described holdout device comprises a stop mesh element (23) be forever arranged on described axially movable lancet holding element (22), by so a kind of mode, described axially movable lancet holding element (22) is axially supported by described stop mesh element (23) and is arranged on the prevention element (24) in housing (2) against one in a position-stable manner in the process releasing motion (63).
Description
Technical field
The present invention relates to a kind of blood-taking device for blood sample collection, this device comprise housing, for keep lancet (lancet) axially movable lancet holding element, for the described puncture spring element of axially movable lancet holding element and the releasing member for starting puncture program of boosting in puncture side, the described puncture spring element of (tensioned) that wherein said axially movable lancet holding element can be tensioned is boosted in puncture side.
Background technology
General existing blood-taking device is well-known.In some blood-taking devices, front end puncture spring element, namely faces the spring element of the laiicet holder that will be pushed into, guarantees the propelling of lancet in puncture program supported by laiicet holder.Return spring element, namely at the spring element of the laiicet holder far-end be pushed into, after guaranteeing puncture program, the return of laiicet holder moves.Such spring element system at least comprises two spring elements, and they interact in above-mentioned mode, too much dangerous the echoing of laiicet holder on blood-taking device after avoiding puncture program as much as possible.A shortcoming of this device or known similar blood-taking device is complicated in mechanical structure, and this also makes the blood-taking device operating this type more difficult.Particularly, up to the present, the spring element system formed by this way is had to the mode axial restraint of mechanically relative complex, in order to can from laiicet holder enough away from place axial advance lancet on puncture direction.Another risk existed is that laiicet holder is pushed out device and axially carries secretly on puncture direction in piercing process, and therefore lancet can not be moved to the lancet container of distance laiicet holder place enough far away.
Summary of the invention
Problem to be solved by this invention is for the structural design of blood-taking device and the blood-taking device to the operation simplified universal that lancet advances.
The problem that the present invention proposes is solved by a kind of blood-taking device for blood sample collection, this blood-taking device comprises housing, for keeping the axially movable lancet holding element of replaceable lancet, for the tensioning button member of tensioning puncture spring element, can be boosted by puncture side in puncture program process by lancet holding element axially movable described in this tensioning button member, for the device stoping the accident of described axially movable lancet holding element on described puncture direction to move axially, for starting the release-push element of described puncture program, and release for passing through an axis on described puncture direction the release button member that described lancet is released in motion, described holdout device comprises a stop mesh element be forever arranged on described axially movable lancet holding element, by so a kind of mode, described axially movable lancet holding element is axially supported by described stop mesh element and resists a prevention element be arranged in a position-stable manner in housing in the process releasing motion.
Advantageously, releasing in the projecting motion of lancet from blood-taking device, described axially movable lancet holding element is stopped mesh element axial restraint, does not have the necessary pro-active intervention of order for this reason in the mechanism of blood-taking device, except releasing the triggering of button member.
Consequently, the structural design of blood-taking device is very simple, and is also especially easily used the operation of blood-taking device by user, particularly in the release of lancet.
When tensioning button member, release-push element and release button member are arranged on housing, they are spatially separated from each other, functionally mutually isolated, the now operation of blood-taking device is more prone to use.Therefore, each function of blood-taking device can separate accessing, thus operating structure is clear, even if inexperienced user also can fast understanding.
In this respect, described tensioning button member and described ejector button element being arranged on, the contrary longitudinal side of blood-taking device housing is favourable.Consequently, each ingredient of frame for movement can advantageously relative to each other be arranged, particularly in housing, thus Machine Design can overallly simplify further.
Ejecting device to comprise when described stop mesh element is arranged on axially movable lancet holding element attainable release button member under the very simple mode of structure, like this it and the assembly of ejecting device be spatially be separated and be functionally isolate.
In this, it is very favorable for releasing button member direct formation pushing arm parts itself.This illustrates that pushing arm parts are connected to rigidly and releases in button member.
In this respect, release button member and pushing arm parts are fixed to one another, thus can realize further simplification.
Release button member to become to be integrated ideally with pushing arm parts.
In this respect, pushing arm parts advantageously extend to the lancet container of axially movable lancet holding element from release button member, can release the lancet inserted within it.
These structural measures and the functional interaction selected between release button member and stop mesh element shockingly make the frame for movement of this blood-taking device closely.A favourable variant embodiments provides stop mesh element, and in its normal position, that is it is not by the position of described release-push element radial deflection at one, always with described prevention element, particularly radial overlapping with housing rib element.Consequently, can ensure, particularly prevent axially movable lancet holding element from occurring undesirable moving axially on puncture direction, even thus puncture direction on lancet push in, axially movable lancet holding element is axially fixed simultaneously, and therefore in requirement in this respect, blood-taking device does not have further 26S Proteasome Structure and Function intervention.In addition, injured risk also significantly reduces.
In addition, when described puncture spring element is in non-tensioning or tensioning state, described stop mesh element stops that on described puncture direction the described axially movable lancet holding element in housing is favourable, at least about not discharging ground blood-taking device.Therefore, the Machine Design of described blood-taking device can be simplified.
When stopping that mesh element is formed by the elastic bendable region of described axially movable lancet holding element, stop that mesh element can be provided in the mode of simple structure.
In this respect, when stop mesh element is arranged on described axially movable lancet holding element, during can radially-inwardly deflect, stop that mesh element can be activated well.Puncture program be start from blood-taking device just belong to this situation, such as, by the manual actuation of release-push element.
In this respect, further Advantageous variants embodiment still provides, stop that mesh element can radially-inwardly be deflected by release-push element, in this way, described stop mesh element radially can depart from described prevention element, thus described axially movable lancet holding element can be pushed into by the described puncture spring element by a previous tensioning on described puncture direction.In this respect, barrier element radially-inwardly, thus barrier element and stop element deposit between exist all the time radial direction overlap temporarily deleted.
If described stop mesh element is arranged on described axially movable lancet holding element, radially outward can give prominence to relative to puncture direction, it can such as easily be touched by the release rib part of release-push element.
Be appreciated that the driver element of described current blood-taking device also can otherwise build.It preferably includes at least two spring elements, comprises the puncture spring element for promoting described axially movable lancet holding element in described puncture direction and the return spring element for promoting described axially movable lancet holding element in the contrary direction in described puncture direction.Therefore especially, due in described puncture program process travel forward and follow-up return motion after actual puncture program is performed by two spring elements separated, the toning (overshooting) of described spring element is unwanted.
Helical spring element is preferably included with described spring element in this case.
In the present circumstance, in order to carry out puncture program, the therefore translation on described puncture direction of at least described axially movable lancet holding element.In order to described lancet is moved into described housing, its with the translation in the opposite direction of puncture side.
When the stretching unit comprising tensioning button member comprises to also be useful when tensioning puncture spring element can be fixed on the tension force carrying member of tension position, described tension force carrying member of fixing is axially fixed in described tension position by the locker that can be locked on described axially movable lancet holding element temporarily.Because the tension force carrying member that can be fixed on tension position is axially fixed in this tension position by the locker that can be locked on described axially movable lancet holding element temporarily, the Machine Design of described blood-taking device can simplify further by reducing building block further.
Especially, new option about piercing process significantly can simplify the operation of this sting device again.
A structural benefit is that described tension force carrying member of fixing can be arranged in described housing, so that it also can move along described mobile axis, thus can be moved into or shift out described tension position.
In this regard, this puncture direction also forms described mobile axis, along this mobile axis or with the particularly described axially movable lancet holding element translation in housing of the direction of this mobile axis, time contrary with it, barrier element can radial deflection.
Therefore described axially movable lancet holding element forms puncture carrying member (lancingcarriagepart) in the simple mode of a kind of structure ideally in the housing of blood-taking device of the present invention.
The present invention's preferred variant embodiments provides a locker, this locker comprises a lock catch arm element, it also can interact with described axially movable lancet holding element relative to described puncture direction radial deflection when fixing tension force carrying member described in described tension position is fixing, as a result, describedly can the simple especially mode of a kind of structure to implement the locker of snap close.
(deflectable) lock catch arm element that deflects of this type can a kind of structure mode that is simple, that have perfect elasticity be bent.
Described elasticity can deflect lock catch arm element (latchingarmelement) preferably can at least two different path elastic bendings.In the case, the mutual preferred extension at a right angle in described two different paths.
In this regard, described elasticity can deflect lock catch arm element can repeated flex.
As another preferred variant embodiments, the described locker that can be locked to described axially movable lancet holding element comprises for the fixing described device can fixing tension force carrying member.This for described can the locker of snap close be not directly assigned to described can fix tension force carrying member time be particularly advantageous.
In this respect, for can the locker of snap close comprise can relative to the lock catch arm element of puncture direction radial deflection, and comprise and fixingly can fix the device of tension force carrying member to lock catch arm element, be highly profitable.
In this, can be various ways for the fixing described device can fixing tension force carrying member.Such as, they comprise tongue element or the groove element in a tongue and groove contact portion, and when being in tension position, it can interact with the opposed member in described correspondence of fixing on tension force carrying member.As a result, this device can realize axial restraint by the simple mode of structure and can fix tension force carrying member.
As a preferred variant embodiments, described locker is arranged in described housing, thus one can be set such that the change of its position translation by described puncture direction, a described axially movable lancet holding element relative to the lock catch arm element of described puncture direction radial deflection and be departed from by radial direction, described tension force carrying member of can fixing is made to enter release position by the help of compression spring element from described tension position translation like this.Therefore, in order to reliably described blood-taking device be prepared to be used for new puncture program, such as, safety for lancet is changed, and in the simple mode of a kind of structure, described tension force carrying member of fixing is returned its original stop position or off-position is possible.
Based on the position to axial of the described axially movable lancet holding element relative to described housing described locker and described to fix that tension force carrying member interacts also be favourable, thus a simple structural design can obtain.
When described locker comprise one at least in part in outside radial loop when the sleeve part of described axially movable lancet holding element, can obtain further structure simplify.
When described axially movable lancet holding element comprise one by described can the locker of snap close coordinate from rear portion can snap close rib part, it is set to axially extend on described replaceable lancet holding element at least in part.Structure between the locker of snap close and described axially movable lancet holding element simply can interact and can realize described.
When described axially movable lancet holding element is in its cutting tip position or from cutting tip position during not poor far position, the described snap close rib part that can coordinate from rear portion be arranged on described axially movable lancet holding element ideally, thus described rib part is not reached described the described of bayonet unit of buckle can deflect lock catch arm element.
In this respect, locker is comprised in order to chain axially movable lancet holding element is highly profitable.Such as, interlock comprises at least one snap-lock projections element, and it can coordinate snap close rib from rear portion.
Especially, when described tension unit comprises another for substituting the described tension force carrying member can fixing tension force carrying member, this another tension force carrying member comprises the profile member that an axis for described locker coordinates, can be locked on described axially movable lancet holding element, the operation of described like this blood-taking device also can become and be more prone to.
Another tension force carrying member described can conveniently by manually sliding along described mobile axis on described puncture direction close to the described tension force sliding members of hull outside, thus described tension force carrying member of fixing can manually be moved into described tension position in the simple mode of a kind of structure.
In this respect, tensioning button member is that ideal is arranged on housing, and it can slide axially in the longitudinal extension part of blood-taking device like this.
The described profile member being assigned to another tension force carrying member described also can have various structures form.For a preferred design variable embodiment, for described profile member, it is favourable for comprising the slide-and-guide face (slidingguideface) that is inclination relative to described puncture direction.Therefore, with a kind of structure mode closely by another tension force carrying member described axially along the movement transition of described mobile axis be described can snap close locker or described deflect lock catch arm element become possibility radially with respect to moving of described mobile axis.
When can to fix in tension force carrying member or another tension force carrying member described described in described axially movable lancet holding element, described tensioner each comprise a sleeve part time, blood-taking device of the present invention can a kind of compacter mode build usually, therefore can a kind of easier mode operate again.
In this, it is very favourable for being arranged in housing by each sleeve part, makes them such as can a kind of mode of intussusception slide along described mobile axis like this.
In this regard, for described axially movable lancet holding element, describedly fix tension force carrying member and/or another tension force carrying member described to have common mobile axis be very favourable.
According to essentially by be set to estable at least in part described tension unit described two tension force carrying members and pierce through the puncture program of described tensioning program that carrying member implements and described reality described in passing through, the dynamic design of described driver element is particularly advantageous.
When described blood-taking device comprises two parts shell body of that comprise a upper housing part and a lower housing part, that at least described axis is slidably installed a tension force carrying member directed translation thereon, the structure of described blood-taking device is simplified further.
In addition, blood-taking device is by the release of lancet holding element or puncture carrying member or distinguished by the pressing of the radial direction of release-push element, because axially movable lancet holding element comprises the stop mesh element that can radially-inwardly deflect, when element of taking a blood sample is in the state do not discharged, it is supported to resist radially-inwardly outstanding housing net ideally, prevents lancet holding element moving axially until release-push element is pressed into housing by radial direction on puncture direction.
In this respect, axially movable lancet holding element and can fix the continuous release of tension force carrying member thus complete, a manual operation of user is only required in this release, namely to the unipolar stimulation of release-push element.Which considerably simplifies the operation of current blood-taking device.
In view of current locker with particularly elastic bendable or elasticity can deflect lock catch arm it not only comprises and fixing can fix tension force carrying member and also comprise additional favourable interlock, the form of element is preferably given prominence to snap close, together with axially movable lancet holding element, current blood-taking device can have very simple form.
More benefits of the present invention, object and performance are described in the drawings and specific embodiments by the embodiment being used for the blood-taking device of blood sample collection with the present invention described of showing.
Accompanying drawing explanation
Fig. 1 illustrates the blood-taking device for blood sample collection of the present invention synoptic chart under static state, and described blood-taking device comprises a lancet ejecting device;
Fig. 2 illustrates the blood-taking device upward view under static state described in Fig. 1, but nut is removed;
Fig. 3 illustrates the blood-taking device vertical profile side under static state described in Fig. 1 and Fig. 2;
Fig. 4 illustrate blood-taking device described in Fig. 1 to Fig. 3 during lancet is released front end detailed maps;
Fig. 5 illustrate blood-taking device described in Fig. 1 to Fig. 3 during lancet is released front end detailed side view.
Detailed description of the invention
The object of the blood-taking device shown in Fig. 1-5 is blood sample collection.Described blood-taking device 1 comprises two parts shell body 2, and it comprises a upper housing part 3 and a lower housing part 4.
Described blood-taking device 1 extends a longitudinal extension part 5 along its end region 7 to the longitudinal axis 6 of its header area 8, nut 9 is screwed into two parts shell body 2 in the described header area 8 of described blood-taking device 1, and wherein said nut 9 has a replaceable lancet 12(for described blood-taking device 1 for example, see Fig. 2) puncture needle 11(lancingneedle) through hole 10. that passes
In described upper housing part 3, release-push element 13 and tensioning button member 14 are located substantially radially contiguous described longitudinal axis 6 place, wherein, described release-push element 13 and tensioning button member 14 all radial direction protrude from outside the outer surface 15 of described two parts shell body 2, thus make them easily by manually close.
In described lower housing part 4, release button member 16 for one and be located substantially radially contiguous described longitudinal axis 6 place.This release button member 16 similarly radial direction protrudes from outside the outer surface 15 of described two parts shell body 2, thus it is close that they are easily manually had no problem.
When described tensioning button member 14 and described release button member 16 can in axial direction 17, when particularly the described longitudinal axis 6 punctured on direction 18 moves axially, described release-push element 13 can move radially in radial direction 19 relative to described longitudinal axis 6.
Described release button member 16 defines the structurally very simple ejecting device 20 of described blood-taking device 1, except director element (not being described in detail at this), described release button member 16 only comprises a radial direction and gives prominence to pushing arm parts 21 into described housing, in this way, described lancet 12 can be pushed out with direction of puncturing from described blood-taking device 1.
During described lancet is released, puncture direction 18 is axially fixed on by the pushing arm parts 21 of described ejecting device 20 in order to make the lancet holding element 22 moved axially of described blood-taking device 1, described lancet holding element comprises one and stops that mesh element 23(is particularly during releasing, described stop mesh element 23 is axially stoped element 24 to support by one, and described prevention element 24 is placed in described housing 2 in a fixed manner), thus, by releasing motion, the described lancet holding element 22 moved axially can not move on described puncture direction, or it moves and can be left in the basket, and described to release motion be carrying secretly with regard to effect (anentrainmenteffect) with regard to described pushing arm parts.Described prevention element 24 is advantageously designed to be housing rib element 24A, and therefore, it simple mode can be provided in a fixed manner or in structure.
In this, described tensioning button member 14 is parts for the tension unit 25 of described blood-taking device 1, described tension unit 25 also comprise at least one fixable tension force carrying member 26 for blood-taking device described in tensioning 1, another for move axially described fixable tension force carrying member 26 tension force carrying member 27 and for after tensioning program, another tension force carrying member 27 described is retracted enter enable position 29 after tension force delivery spring element 28.
Described fixable tension force carrying member 26 and another tension force carrying member 27 not by fixed with each other rigidly, but mountedly make them mutually to slide axially.But when another tension force carrying member 27 described is moved in described puncture direction 18 by described tensioning button member 14, described fixable tension force carrying member 26 is taken away (entrained) by another tension force carrying member 27 described.
In this, described fixable tension force carrying member 26 and another tension force carrying member 27 are all designed to sleeve part 26A and 27A, the sleeve part 26A of described fixable tension force carrying member 26 is installed such that and it can be slid axially in the inside of another tension force carrying member 27 described at least in part, and the sleeve part 27A of another tension force carrying member 27 described is installed such that it can be slid axially in the upper lower housing part 3,4 of described two parts shell body 2.
Described another tension force carrying member 27 is connected to described tensioning button member 14 (with particular reference to Fig. 3) by actively coordinating (positivefit), thus described tension force carrying member by described tensioning button member 14 by manual activation.
In addition, described blood-taking device 1 has a driver element 30, and this driver element 30 comprises at least one for the puncture spring element 31 of lancet holding element 22 that promotes to move axially on puncture direction 18 and one the return spring element 33 of lancet holding element 22 for moving axially described in promoting at the rightabout in puncture direction 18 after completing puncture program.
In the current situation, the described lancet holding element 22 moved axially also is designed to a sleeve part 22A, and the described sleeve part 27A of described fixable tension force carrying member 27 is when being slid axially at least in part during blood-taking device 1 described in tensioning wherein.
In addition, in this, the described sleeve part 22A of the described lancet holding element 22 moved axially can axially be slipped into the described sleeve part 27A of described fixable tension force carrying member 27 at least in part, thus a compact and maneuverable blood-taking device 1 is formed.
Described blood-taking device 1 also comprises a locking device 35, and it is as the sleeve part 35A in two parts shell body 2, is rigidly fixed to described upper lower housing part 3,4, and is therefore axially fixed anti-sliding stop.
By described locking device 35, the described fixable tension force carrying member 26 slided in described puncture direction 18 can be fixed on a tension position 36 (not shown), is described in further detail below.Described locking device 35, be locked under such tensioning state of described blood-taking device 1 on described moveable lancet holding element 22, thus when described lancet holding element 22 moves axially on described puncture direction 18, described locking device 35 lock-off, the tension force carrying member 26 being fixed to described locking device therefore becomes unfettered and elastic force by described puncture spring element 31 moves backward towards described end region 7.
Advantageously, described locking device 35 is simultaneously as installation and the guider of a lancet holding element 22 that can move axially for axial and radial installation, thus described blood-taking device 1 decreases again number of components and therefore obtains compacter design.
Fig. 3 clearly illustrates that described fixable tension force carrying member 26 comprises an Intranet 40, outer net 41 and gap between the two 42 further, and when described blood-taking device 1 is in tensioning state, (not shown) described sleeve part 22A can be further provided in wherein.
In addition, described sleeve part 35A, the described sleeve part 26A of fixable tension force the carrying member 26 and sleeve part 27A of another tension force carrying member 27 of described locking device 35 form the tension force delivery spring element receiving space 43 of a within it installation tension spring carrier elements 28.
Similarly, the described sleeve part 35A of described the locking device 35 and described sleeve part 26A of described fixable tension force carrying member 26, in conjunction with the described sleeve part 22A of the described lancet holding element 22 that can move axially, thus form a return spring element receiving space 44.
A puncture spring element receiving space 45 for the spring element 31 that punctures is provided in described blood-taking device 1 inside accordingly, and is formed conveniently by the described sleeve part 22A of the described lancet holding element 22 moved axially and the Intranet 40 of described fixable tension force carrying member 26.
In the process of described blood-taking device 1 tensioning and when described fixable tension force carrying member 26 is in tension position, the described lancet holding element 22 moved axially also can stop unexpected jejune motion on puncture direction 18 equally conveniently by described stop mesh element 23 is axially fixed.
This stop mesh element 23 is radially-inwardly pressed on triggering direction 50 by a release-push element net 49 of described release-push element 13, thus making described stop mesh element 23 depart from described prevention element 24, the puncture program therefore on described puncture direction 18 can be established.
In the described region of lancet container 51, described replaceable lancet 12 is maintained on the described lancet holding element 22 that can move axially wherein.The described lancet holding element 22 moved axially has an external wall 52, when the described lancet holding element 22 moved axially be moved on the rightabout in described puncture direction 18 too far away time, it similarly can start the prevention element 24 of (strike) described inside guiding.Like this, such as, when described blood-taking device 1 is by load again, a new lancet 12 is inserted into described lancet container 51 accordingly.
In its normal position 60 (ginseng institute drawings attached), that is it is not by the position 61 of described release-push element 13 radial deflection, and described stop mesh element 23 is always radial overlapping with described prevention element 24.
That is, when from described puncture direction 18, described stop mesh element 23 is arranged on approximately identical height 62 with described prevention element 24.
As a result, particularly the described lancet holding element 22 that can move axially itself is axially fixed and does not need further structure member for this purpose or the interaction on the parts of user.The lancet holding element 22 moved axially because described does not need to be stoped by special measure, and this is special (ginseng Fig. 4 and Fig. 5) easily for the release campaign 63 on launch direction 64.
In this regard, when described puncture spring element 31 is in non-tensioned or tensioning state, described stop mesh element 23 stops the described lancet holding element 22 that can move axially on described puncture direction 18.
Described stop mesh element 23 triggers in the simple especially mode of one by described release-push element 13, because its prolongation main body 23A is arranged on housing 2, thus extends along with described longitudinal axis 6 on described puncture direction 18 and can radially-inwardly deflect.
Described stop mesh element 23 also can be triggered in a simple manner, is formed because of its elastic bendable region 65 by the described lancet holding element 22 moved axially.
All sleeve part 22A, 26A, 27A and 35A to be arranged in housing 2 and to axially align with the longitudinal extension part 5 of described blood-taking device 1, thus obtain kinematically especially simply and design especially reliably, and blood-taking device 1 more easily operates simultaneously.
In this, described tension force delivery spring element 28, described puncture spring element 31 and described return spring element 33 each compression spring element being all designed to helical spring form ideally, thus the structural design of blood-taking device of the present invention 1 can simplify further.
When tensioning button member 14 is optionally arranged on end region 7 as a promotion button (not shown) or analog, above-described mechanism also can by with
Be appreciated that embodiment described above is the first structure of blood-taking device of the present invention.In this regard, structure of the present invention is not limited to this embodiment.
The all technical characteristics disclosed in present specification are all necessary for the present invention, as long as they have novelty relative to prior art alone or in combination.
Reference number inventory:
1 blood-taking device
2 two parts shell bodies
3 upper housing part
4 lower housing part
5 longitudinal extension parts
6 longitudinal axis
7 end region
8 header area
9 nuts
10 through holes
11 puncture needles
12 lancets
13 compression release member
14 tensioning button member
15 outer surfaces
16 release button member
17 axial directions
18 puncture directions
19 radial direction
20 ejecting devices
21 pushing arm parts
The 22 lancet holding elements that can move axially
The sleeve part of the lancet holding element that 22A can move axially
23 stop mesh element
23A extends main body
24 stop element
24A housing rib element
25 tension unit
26 fixable tension force carrying members
The sleeve part of the fixable tension force carrying member of 26A
27 another tension force carrying members
The sleeve part of another tension force carrying member of 27A
28 tension force delivery spring elements
Start position after 29
30 driver elements
31 puncture spring elements
33 return spring elements
35 lockers
The sleeve part of 35A locker
40 in-house networks
41 extranets
42 breach
43 tension force delivery spring elements receive space
44 return spring elements receive space
45 puncture spring elements receive space
49 button releasing member nets
50 driving directions
51 lancet holders
52 outer walls
60 normal positions
61 non-inflection points
62 sustained heights
63 release motion
64 launch directions
65 pliable region
Claims (12)
1., for the blood-taking device (1) of blood sample collection, comprise
Housing (2),
For keep replaceable lancet (12) axially movable lancet holding element (22),
For the tensioning button member (14) of tensioning puncture spring element (31), above can be advanced in puncture direction (18) in puncture program process by the described axially movable lancet holding element (22) of this tensioning button member (14),
For stop the accident of described axially movable lancet holding element (22) on described puncture direction (18) to move axially device,
For start described puncture program release-push element (13) and
The release button member (16) that described lancet (12) is released in motion is released for passing through an axis on described puncture direction (18),
It is characterized in that described holdout device comprises a stop mesh element (23) be forever arranged on described axially movable lancet holding element (22), by so a kind of mode, described axially movable lancet holding element (22) is axially supported by described stop mesh element (23) and is arranged on the prevention element (24) in housing (2) against one in a position-stable manner in the process releasing motion (63).
2. blood-taking device according to claim 1 (1), it is characterized in that described tensioning button member (14), described release-push element (13) and described release button member (16) are arranged on housing (2), thus they are spatially separated from each other and functionally mutually isolated.
3. blood-taking device according to claim 1 and 2 (1), it is characterized in that described release button member (16) itself directly forms a pushing arm parts (21), these pushing arm parts (21) extend into the lancet container (51) of described axially movable lancet holding element (22) from described release button member (16), can release the described lancet (12) inserted within it in the process releasing motion (63).
4. blood-taking device according to claim 1 (1), it is characterized in that described stop mesh element (23) is in its normal position, that is it is not by the position of described release-push element (13) radial deflection at one, always radial overlapping with described prevention element (24).
5. blood-taking device according to claim 4 (1), is characterized in that described prevention element (24) is for housing rib element (24A).
6. blood-taking device according to claim 1 (1), it is characterized in that when described puncture spring element (31) is in non-tensioning or tensioning state, described stop mesh element (23) is at the upper described axially movable lancet holding element (22) stopped in housing of described puncture direction (18).
7. blood-taking device according to claim 1 (1), is characterized in that described stop mesh element (23) is formed by the elastic bendable region (62) of described axially movable lancet holding element (22).
8. blood-taking device according to claim 1 (1), is characterized in that described stop mesh element (23) is arranged on described axially movable lancet holding element (22), can radially-inwardly deflect.
9. blood-taking device according to claim 1 (1), it is characterized in that described stop mesh element (23) is arranged on described axially movable lancet holding element (22), radially outward can give prominence to relative to described puncture direction (18).
10. blood-taking device according to claim 1 (1), it is characterized in that described stop mesh element (23) is arranged on described axially movable lancet holding element (22), thus itself and ejecting device (20) are spatially separated from each other and functionally mutually isolated.
11. blood-taking devices according to claim 1 (1), is characterized in that described tensioning button member (14) and described release button member (16) are arranged on contrary longitudinal side of the housing of described blood-taking device (1).
12. blood-taking devices according to claim 1 (1), it is characterized in that described stop mesh element (23) is radially-inwardly deflected by described release-push element (13), in this way, described stop mesh element (23) radially can depart from described prevention element (24), thus described axially movable lancet holding element (22) can the described puncture spring element (31) by a previous tensioning on described puncture direction (18) be pushed into.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012019402.1A DE102012019402B4 (en) | 2012-10-04 | 2012-10-04 | Lancing device for blood sampling |
| DE102012019402.1 | 2012-10-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103705253A CN103705253A (en) | 2014-04-09 |
| CN103705253B true CN103705253B (en) | 2015-11-18 |
Family
ID=50336701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310465580.7A Active CN103705253B (en) | 2012-10-04 | 2013-10-08 | For the blood-taking device of blood sample collection |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103705253B (en) |
| DE (1) | DE102012019402B4 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102083369A (en) * | 2008-07-03 | 2011-06-01 | (株)普星 | One body lancet and no pain type blood collecting device |
| CN102481125A (en) * | 2009-09-10 | 2012-05-30 | 尼普洛株式会社 | Disposable Blood Collecting Instrument |
| CN102497814A (en) * | 2009-07-30 | 2012-06-13 | 贝克顿·迪金森公司 | Lancing device having saddle-shaped tip |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE505134T1 (en) * | 2007-10-19 | 2011-04-15 | Bionime Corp | LIVING DEVICE |
| EP2311374A1 (en) * | 2009-10-13 | 2011-04-20 | Roche Diagnostics GmbH | Apparatus for retrieving and analysing blood; coupling mechanism for lancets |
| TW201212887A (en) * | 2010-07-08 | 2012-04-01 | Sanofi Aventis Deutschland | Eliciting a blood sample |
-
2012
- 2012-10-04 DE DE102012019402.1A patent/DE102012019402B4/en active Active
-
2013
- 2013-10-08 CN CN201310465580.7A patent/CN103705253B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102083369A (en) * | 2008-07-03 | 2011-06-01 | (株)普星 | One body lancet and no pain type blood collecting device |
| CN102497814A (en) * | 2009-07-30 | 2012-06-13 | 贝克顿·迪金森公司 | Lancing device having saddle-shaped tip |
| CN102481125A (en) * | 2009-09-10 | 2012-05-30 | 尼普洛株式会社 | Disposable Blood Collecting Instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103705253A (en) | 2014-04-09 |
| DE102012019402B4 (en) | 2016-10-06 |
| DE102012019402A1 (en) | 2014-04-10 |
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