CN103705253A - Lancing device for taking blood samples - Google Patents
Lancing device for taking blood samples Download PDFInfo
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- CN103705253A CN103705253A CN201310465580.7A CN201310465580A CN103705253A CN 103705253 A CN103705253 A CN 103705253A CN 201310465580 A CN201310465580 A CN 201310465580A CN 103705253 A CN103705253 A CN 103705253A
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- axially movable
- blood
- taking device
- holding element
- lancet holding
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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
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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
- A61B5/150206—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)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dermatology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention relates to a lancing device (1) for taking blood samples. The device comprises a housing (2); an axially movable lancet holding element (22) for holding a replaceable lancet (12); a tension button element (14) for tensioning piercing spring (31), wherein the axially movable lancet holding element (22) can be pushed in a piercing direction (18) by the tension button element (14) during a piercing process; a device for preventing accidental axial movement of the axially movable lancet holding element (22) in the piercing direction (18); a release button element (13) for starting a piercing program; and a push button element (16) for pushing the lancet (12) through one axial movement in the piercing direction (18). The prevention device includes a blocking net element (23) permanently disposed onto the axially movable lancet holding element (22). In such a way, the axially movable lancet holding element (22) is axially supported via the blocking net element (23) during a push movement (63) process to abut against a blocking element (24) arranged fixedly inside the housing (2).
Description
Technical field
The present invention relates to a kind of blood-taking device for blood sample collection, this device comprises housing, for keeping the axially movable lancet holding element of lancet (lancet), for the puncture spring element of the described axially movable lancet holding element of boosting in puncture side and for starting the releasing member of puncture program, 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 lancet keeper that will be pushed into, and guarantees the propelling in puncture program of the lancet that supported by lancet keeper.Return spring element, namely at the spring element of the lancet keeper far-end being pushed into, guarantees that the return of lancet keeper moves after puncture program.Such spring element system at least comprises two spring elements, and they interact in above-mentioned mode, has avoided as much as possible after puncture program too much dangerous echoing of lancet keeper on blood-taking device.A shortcoming of this device or known similar blood-taking device is complicated in mechanical structure, and this blood-taking device that also makes to operate this type is more difficult.Particularly, up to the present, the spring element system forming is by this way had to the mode axial restraint of relative complex mechanically, for can be at the place axial advance lancet in puncture direction away from enough from lancet keeper.The risk of another existence is that lancet keeper is pushed out device in puncture in direction and axially carries secretly in piercing process, so lancet can not be moved to apart from the enough place far away of the lancet container of lancet keeper.
Summary of the invention
Problem to be solved by this invention is for the structural design of blood-taking device and the general blood-taking device of simplified control to lancet propelling.
The problem that the present invention proposes solves 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, tensioning button member for tensioning puncture spring element, by lancet holding element axially movable described in this tensioning button member, in puncture program process, can be boosted in puncture side, for stoping the accident axially movable device of described axially movable lancet holding element in described puncture direction, for starting the release-push element of described puncture program, and the release button member of releasing described lancet for passing through an axial release campaign in described puncture direction, described holdout device comprises a mesh element that stops being forever arranged on described axially movable lancet holding element, by a kind of like this mode, described axially movable lancet holding element stops that by described mesh element resisted one by axial support and be arranged on the prevention element in housing with fixed form in the process of releasing motion.
Advantageously, in the release action of releasing lancet from blood-taking device, described axially movable lancet holding element is blocked mesh element axial restraint, there is no 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 by user, the operation of blood-taking device is also especially easily used, particularly aspect the release of lancet.
When tensioning button member, release-push element and release button member are arranged on housing, make to be separated from each other on their spaces, isolation mutually in function, the now operation of blood-taking device is more prone to use.Therefore, each function of blood-taking device can separate accessing, thereby 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 longitudinal side that blood-taking device housing is contrary is favourable.Consequently, each ingredient of frame for movement can advantageously relative to each other arrange, particularly in housing, thereby Machine Design can wholely further be simplified.
Ejecting device comprise when described in while stopping that mesh element is arranged on axially movable lancet holding element under the very simple mode of structure attainable release button member, it is spatially separated and isolate in function with the assembly of ejecting device like this.
In this, it is very favorable releasing the direct formation of button member pushing arm parts itself.These explanation pushing arm parts are connected to rigidly to be released in button member.
In this respect, release button member and pushing arm parts and be fixed to one another, thereby can realize further simplification.
Releasing button member and pushing arm parts becomes one ideally.
In this respect, pushing arm parts advantageously extend to the lancet container of axially movable lancet holding element from releasing button member, to can release the lancet of inserting within it.
These structural measures and release button member and stop that functional interaction selected between mesh element shockingly makes the frame for movement of this blood-taking device very compact.A favourable variant embodiment provides and stops mesh element, in its normal position, that is one its not by the position of described release-push element radial deflection, always with described prevention element, particularly radially overlapping with housing rib element.Consequently, can guarantee, particularly prevent that undesirable moving axially in puncture direction from appearring in axially movable lancet holding element, even thereby in the lancet push in puncture direction, axially movable lancet holding element is axially fixed simultaneously, so 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 during in tensioning not or tensioning state, described in stop that mesh element stops that in 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 significantly be simplified.
When stopping that the elasticity pliable region of mesh element by described axially movable lancet holding element forms, stop that mesh element can be provided in the mode of simple structure.
In this respect, when stopping that mesh element is arranged on described axially movable lancet holding element, with can be radially to intrinsic deflection time, stop that mesh element can be activated well.Puncture program be from blood-taking device, start just belong to this situation, for example, by the manual actuation of release-push element.
In this respect, further favourable variant embodiment also provides, stopping that mesh element is passed through release-push element can be radially to intrinsic deflection, in this way, describedly stop that mesh element can radially depart from described prevention element, thereby described axially movable lancet holding element can be pushed into by the described puncture spring element by a previous tensioning in described puncture direction.In this respect, barrier element is radially inside, thereby temporarily deletes at barrier element and the radially overlapping quilt that stops element to exist all the time between depositing.
If described in stop that mesh element is arranged on described axially movable lancet holding element, with can be radially outward outstanding with respect to puncture direction, it can be for example release flank part by release-push element easily touch.
The driver element that is appreciated that described current blood-taking device also can otherwise build.It preferably includes at least two spring elements, comprises for the puncture spring element at the described axially movable lancet holding element of described puncture direction promotion with for promote the return spring element of described axially movable lancet holding element in the contrary direction of described puncture direction.Therefore especially, due in described puncture program process travel forward and actual puncture program after follow-up return motion by two spring elements that separate, carried out, the toning of described spring element (overshooting) is unwanted.
With described spring element in this case, preferably include helical spring element.
In the present circumstance, in order to carry out puncture program, the therefore translation in described puncture direction of at least described axially movable lancet holding element.For described lancet is moved into described housing, it is with the direction translation with puncture opposite direction.
When the stretching unit that comprises tensioning button member comprises can be fixed on the tension force carrying member of tension position for tensioning puncture spring element time, be also useful, described fixedly tension force carrying member is axially fixed in described tension position by the locker that can be locked on described axially movable lancet holding element temporarily.Because can be fixed on the tension force carrying member of tension position, by a locker that can be locked on described axially movable lancet holding element, be axially fixed in this tension position, the Machine Design of described blood-taking device can further be simplified by further reducing building block temporarily.
Especially, a new option about piercing process can significantly be simplified the operation of this sting device again.
A structural benefit is that described fixedly tension force carrying member can be arranged in described housing, so that it also can move along described mobile axis, thereby 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 particularly described axially movable lancet holding element translation in housing of direction of this mobile axis, when contrary with it, barrier element can radial deflection.
Therefore described axially movable lancet holding element forms a puncture carrying member (lancing carriage part) in a kind of mode simple in structure ideally in the housing of blood-taking device of the present invention.
The present invention a preferred variant embodiment provide a locker, this locker comprises a lock catch arm element, it can interact with respect to the radial deflection of described puncture direction and with described axially movable lancet holding element when the fixing described fixedly tension force carrying member of described tension position, as a result, described locker that can snap close can the simple especially mode of a kind of structure be implemented.
Can a kind of mode simple in structure, that there is perfect elasticity being bent by deflection (deflectable) lock catch arm element of this type.
Described elasticity can deflection lock catch arm element (latching arm element) preferably can be at least two different path elastic bendings.In the case, described two different paths are preferably each other right angle and extend.
In this regard, described elasticity can deflection lock catch arm element can repeated flex.
As another preferred variant embodiment, the described locker that can be locked to described axially movable lancet holding element comprises for the fixing described fixedly device of tension force carrying member.This is particularly advantageous for described locker that can snap close while not directly being assigned to described fixedly tension force carrying member.
In this respect, for locker that can snap close, comprising can be with respect to the lock catch arm element of puncture direction radial deflection, and comprises that fixing fixedly tension force carrying member, to the device of lock catch arm element, is highly profitable.
In this, for the fixing described fixedly device of tension force carrying member, can be various ways.For example, they comprise tongue element or the groove element of a tongue and groove contact portion, and when in tension position, it can interact with the corresponding opposed member on described fixedly tension force carrying member.As a result of, this device can be realized by mode simple in structure fixedly tension force carrying member of axial restraint.
As a preferred variant embodiment, described locker is arranged in described housing, thereby one can be set such that with respect to the lock catch arm element of described puncture direction radial deflection it can be changed and radially be departed from by a position translation in described puncture direction, described axially movable lancet holding element, makes described fixedly tension force carrying member to enter release position from described tension position translation by the help of compression spring element like this.Therefore, in order reliably described blood-taking device being prepared for new puncture program, for example, for the safety of lancet, to change, in a kind of mode simple in structure, described fixedly tension force carrying member to be returned to its original stop position or off-position is possible.
It is also favourable that the described locker of the position to axial of the described axially movable lancet holding element based on respect to described housing and described fixedly tension force carrying member interact, thereby a simple structural design can obtain.
When described locker comprises that one externally radial loop is around the sleeve part of described axially movable lancet holding element at least in part, can obtain further designs simplification.
When described axially movable lancet holding element comprise one can by described can snap close locker from rear portion, coordinate can snap close flank part, it is set on described replaceable lancet holding element, extend axially at least in part.Described can snap close locker and the interaction simple in structure between described axially movable lancet holding element can realize.
When the described axially movable lancet holding element far position not poor in its cutting tip position or from cutting tip position, the described snap close flank part that can coordinate from rear portion be arranged on described axially movable lancet holding element ideally, can deflection lock catch arm element thereby make described flank part not reach described the described of bayonet unit that can buckle.
In this respect, for locker, comprise and being highly profitable for chain axially movable lancet holding element.For example, interlock comprises at least one snap-lock projections element, and it can coordinate from rear portion snap close rib.
Especially, when described tension unit comprises that another is for substituting the described fixedly tension force carrying member of tension force carrying member, this another tension force carrying member comprises that one for the profile member of the axial cooperation of described locker, 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.
Described another tension force carrying member can manually slide along described mobile axis in described puncture direction by approaching the described tension force sliding members of hull outside expediently, thereby described fixedly tension force carrying member can manually be moved into described tension position in a kind of mode simple in structure.
In this respect, tensioning button member is that ideal is arranged on housing, and it can endwisely slip in the longitudinal extension part of blood-taking device like this.
The described profile member that is assigned to described another tension force carrying member also can have various structures form.For a preferred design variable embodiment, for described profile member, comprise that one is that the slide-and-guide face (sliding guide face) tilting is favourable with respect to described puncture direction.Therefore, with the very compact mode of a kind of structure by described another tension force carrying member axially along moving of described mobile axis change into described can snap close locker or described can deflection lock catch arm element radially with respect to the possibility that becomes of moving of described mobile axis.
When the described fixedly tension force carrying member of described axially movable lancet holding element, described tensioner or each in described another tension force carrying member comprise a sleeve part, blood-taking device of the present invention can a kind of compacter mode build conventionally, therefore can a kind of easier mode operate again.
In this, it is very favourable that each sleeve part is arranged in housing, makes like this mode that they for example can a kind of intussusception slide along described mobile axis.
In this regard, for described axially movable lancet holding element, it is very favourable that described fixedly tension force carrying member and/or described another tension force carrying member have common mobile axis.
According in fact by being set to described two tension force carrying members of the described tension unit of estable at least in part and by described described tensioning program that carrying member implements and the puncture program of described reality of piercing through, the dynamic design of described driver element is particularly advantageous.
When described blood-taking device comprises that one while comprising a two parts shell body upper casing portion and a lower casing portion, at least described tension force carrying member directed translation thereon of axially slidably installing, the structure of described blood-taking device is further simplified.
In addition, blood-taking device by lancet holding element or puncture carrying member release or by release-push element radially press distinguish, due to axially movable lancet holding element comprise can be radially to the mesh element that stops of intrinsic deflection, when blood sampling element is during at the state not discharging, it is supported to resist radially inwardly outstanding housing net ideally, prevents lancet holding element moving axially until release-push element is radially pressed into housing in puncture direction.
In this respect, thereby axially movable lancet holding element and the fixedly continuous release of tension force carrying member complete, and user's a manual operation, the i.e. unipolar stimulation to release-push element are only required in this release.This has significantly simplified the operation of current blood-taking device.
In view of current locker and particularly elasticity are flexible or elasticity can deflection lock catch arm its not only comprise that fixing fixedly tension force carrying member also comprises additional favourable interlock, preferably with snap close, give prominence to the form of element, 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 will be described for the embodiment of the blood-taking device of blood sample collection with the present invention description by that show in the drawings and specific embodiments.
Accompanying drawing explanation
Fig. 1 has shown 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 has shown blood-taking device described in Fig. 1 upward view under static state, but nut is removed;
Fig. 3 has shown blood-taking device described in Fig. 1 and Fig. 2 vertical profile side under static state;
Fig. 4 shown blood-taking device described in Fig. 1 to Fig. 3 during lancet is released front end detailed maps;
Fig. 5 shown blood-taking device described in Fig. 1 to Fig. 3 during lancet is released front end detailed side view.
The specific embodiment
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 casing portion 3 and a lower casing portion 4.
The longitudinal axis 6 of described blood-taking device 1 along its end region 7 to its header area 8 extends a longitudinal extension part 5, 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 referring to Fig. 2) puncture needle 11(lancing needle) through hole 10. that passes
In described upper casing portion 3, release-push element 13 and tensioning button member 14 are radially placed in contiguous described longitudinal axis 6 places, wherein, described release-push element 13 and tensioning button member 14 all radially protrude from outside the outer surface 15 of described two parts shell body 2, thereby they are easily manually approached.
In described lower casing portion 4, release button member 16 for one and be radially placed in contiguous described longitudinal axis 6 places.This release button member 16 similarly radially protrudes from outside the outer surface 15 of described two parts shell body 2, thereby makes them easily manually be had no problem and approach.
When described tensioning button member 14 and described release button member 16 can be in axial direction 17, when the described longitudinal axis 6 in the direction that particularly punctures 18 moves axially, described release-push element 13 can move radially with respect to described longitudinal axis 6 in radial direction 19.
Described release button member 16 has formed 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 pushing arm parts 21 of radially giving prominence to into described housing, in this way, described lancet 12 can be pushed out with puncture direction from described blood-taking device 1.
During described lancet is released, for make described blood-taking device 1 can axially movable lancet holding element 22 pushing arm parts 21 by described ejecting device 20 be axially fixed on puncture direction 18, described lancet holding element comprises that one stops that mesh element 23(is particularly during releasing, describedly stop that 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 release campaign, not described can movement in described puncture direction by axially movable lancet holding element 22, or it moves and can be left in the basket, and described release campaign is carrying secretly with regard to effect (an entrainmenteffect) with regard to described pushing arm parts.Described prevention element 24 is advantageously designed to housing rib element 24A, therefore, it can be in a fixed manner or in structure simple mode be provided.
In this, parts of the tension unit 25 that described tensioning button member 14 is described blood-taking devices 1, described tension unit 25 also comprises at least one fixable tension force carrying member 26 for blood-taking device described in tensioning 1, another is for moving axially the tension force carrying member 27 of described fixable tension force carrying member 26 and for described another tension force carrying member 27 being retracted to the tension force delivery spring element 28 that enters enable position 29 after after tensioning program.
Described fixable tension force carrying member 26 and another tension force carrying member 27, not by fixed with each other rigidly, can endwisely slip them but be mounted mutually.Yet, when described another tension force carrying member 27 by described tensioning button member 14 when described puncture direction 18 is moved, described fixable tension force carrying member 26 is taken away (entrained) by described another tension force carrying member 27.
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 it can be endwisely slipped in the inside of described another tension force carrying member 27 at least in part like this, and the sleeve part 27A of described another tension force carrying member 27 is installed like this it can be endwisely slipped in the upper lower casing portion 3,4 of described two parts shell body 2.
Described another tension force carrying member 27 is by actively coordinating (positive fit) to be connected to described tensioning button member 14 (with particular reference to Fig. 3), thereby described tension force carrying member can be by described tensioning button member 14 by manual activation.
In addition, described blood-taking device 1 has a driver element 30, this driver element 30 comprise at least one in puncture direction 18, promote can axially movable lancet holding element 22 puncture spring element 31 and one for the rightabout in puncture direction 18, promote described return spring element 33 that can axially movable lancet holding element 22 after completing puncture program.
Under present case, describedly can also be designed to a sleeve part 22A by axially movable lancet holding element 22, the described sleeve part 27A of described fixable tension force carrying member 27 is when being endwisely slipped at least in part during blood-taking device 1 described in tensioning therein.
In addition, in this, described described sleeve part 22A that can axially movable lancet holding element 22 can axially be slipped into the described sleeve part 27A of described fixable tension force carrying member 27 at least in part, thereby 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 casing portion 3,4, and is therefore axially fixed anti-skidding.
By described locking device 35, the described fixable tension force carrying member 26 sliding 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, described in being locked under such tensioning state of described blood-taking device 1 movably on lancet holding element 22, thereby when described lancet holding element 22 moves axially in described puncture direction 18, described locking device 35 lock-offs, the tension force carrying member 26 that is fixed to described locking device described in therefore becomes unfettered and can towards described end region 7, move backward by the elastic force of described puncture spring element 31.
Advantageously, described locking device 35 simultaneously as one for axially and radially install can axially movable lancet holding element 22 installation and guider, thereby described blood-taking device 1 has reduced again number of components and has therefore obtained compacter design.
Fig. 3 further clearly illustrates that described fixable tension force carrying member 26 comprises an Intranet 40, outer net 41 and a gap between the two 42, when described blood-taking device 1 during in tensioning state (not shown) described sleeve part 22A can be further provided in wherein.
In addition, the described sleeve part 35A of described locking device 35, the sleeve part 26A of described fixable tension force carrying member 26 and the sleeve part 27A of another tension force carrying member 27 form the tension force delivery spring element receiving space 43 of an element 28 of installation tension spring delivery within it.
Similarly, the described sleeve part 35A of described locking device 35 and the described sleeve part 26A of described fixable tension force carrying member 26, in conjunction with described described sleeve part 22A that can axially movable lancet holding element 22, thereby form a return spring element receiving space 44.
A puncture spring element receiving space 45 for the spring element 31 that punctures is provided accordingly in described blood-taking device 1 inside, and expediently by described can axially movable lancet holding element 22 described sleeve part 22A and the Intranet 40 of described fixable tension force carrying member 26 form.
In the process of described blood-taking device 1 tensioning and when described fixable tension force carrying member 26 is during in tension position, describedly can axially movable lancet holding element 22 also can be equally expediently by described, stop that mesh element 23 is axially fixed and stop unexpected jejune motion in puncture direction 18.
This stops that mesh element 23 can radially inwardly be pressed by a release-push element net 49 of described release-push element 13 in triggering direction 50, thereby described in making, stop that mesh element 23 departs from described prevention element 24, therefore the puncture program in described puncture direction 18 can be established.
In the described region of lancet container 51, therein described replaceable lancet 12 be maintained at described can axially movable lancet holding element 22 on.Described can have an external wall 52 by axially movable lancet holding element 22, when described can axially movable lancet holding element 22 be moved on the rightabout of described puncture direction 18 too far away, it can similarly start the prevention element 24 of (strike) described inside guiding.Like this, for example, 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 deflections, described in stop that mesh element 23 is always radially overlapping with described prevention element 24.
That is to say, when from described puncture direction 18, described in stop that mesh element 23 and described prevention element 24 are arranged on approximately identical height 62.
As a result, particularly describedly can axially movable lancet holding element 22 itself be axially fixed and do not need further structure member or the interaction on the parts of user for this purpose.Because described, can not need to be stoped by special measure by axially movable lancet holding element 22, this is (to join Fig. 4 and Fig. 5) especially easily for the release campaign 63 releasing in direction 64.
In this regard, when described puncture spring element 31 is during in non-tensioning or tensioning state, described in stop mesh element 23 in described puncture direction 18, stop described can axially movable lancet holding element 22.
Describedly stop that mesh element 23 can trigger in a kind of simple especially mode by described release-push element 13, because its prolongation main body 23A is arranged on housing 2, thus in described puncture direction 18 along with described longitudinal axis 6 extends and can be radially to intrinsic deflection.
Describedly stop that mesh element 23 also can be triggered in a simple manner, because it forms by described elasticity pliable region 65 that can axially movable lancet holding element 22.
All sleeve part 22A, 26A, 27A and 35A are arranged in housing 2 and axially align with the longitudinal extension part 5 of described blood-taking device 1, thereby obtain on kinesiology, especially simply and especially reliably design, and blood-taking device 1 more easily operates simultaneously.
In this, each is all designed to the compression spring element of helical spring form ideally for described tension force delivery spring element 28, described puncture spring element 31 and described return spring element 33, thereby the structural design of blood-taking device of the present invention 1 can further be simplified.
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 be used
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 characterictics that disclose in present specification are all necessary for the present invention, as long as they have novelty with respect to prior art alone or in combination.
Reference number inventory:
1 blood-taking device
2 two parts shell bodies
3 upper casing portions
4 lower casing portions
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
22 can axially movable lancet holding element
22A can axially movable lancet holding element sleeve part
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
29 rear start positions
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 inflection points not
62 sustained heights
63 release motion
64 release direction
65 pliable region
Claims (11)
1. for the blood-taking device (1) of blood sample collection, comprise
Housing (2),
Be used for keeping replaceable lancet (12) axially movable lancet holding element (22),
For the tensioning button member (14) of tensioning puncture spring element (31), by the described axially movable lancet holding element (22) of this tensioning button member (14) in puncture program process, can above be advanced in puncture direction (18),
For stop the accident axially movable device of described axially movable lancet holding element (22) in described puncture direction (18),
For start described puncture program release-push element (13) and
For the release button member (16) of the axial release campaign described lancet of release (12) in described puncture direction (18) by,
It is characterized in that described holdout device comprises that one is forever arranged on and stops mesh element (23) on described axially movable lancet holding element (22), by a kind of like this mode, described axially movable lancet holding element (22) stops that by described mesh element (23) is arranged on the prevention element (24) in housing (2) by axial support with fixed form against one in the process of 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) upper, thereby they are spatially separated from each other and are mutually isolated in function.
3. blood-taking device according to claim 1 and 2 (1), it is characterized in that described release button member (16) itself directly forms 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), to can release the described lancet (12) of inserting within it in the process of releasing motion (63).
4. according to the blood-taking device (1) described in claim 1-3 any one, described in it is characterized in that, stop that 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 with described prevention element (24), particularly radially overlapping with housing rib element (24A).
5. according to the blood-taking device (1) described in claim 1-4 any one, it is characterized in that when described puncture spring element (31) is during in tensioning not or tensioning state, described in stop that mesh element (23) stops the described axially movable lancet holding element (22) in housing in described puncture direction (31).
6. according to the blood-taking device (1) described in claim 1-5 any one, described in it is characterized in that, stop that mesh element (23) is formed by the elasticity pliable region (62) of described axially movable lancet holding element (22).
7. according to the blood-taking device (1) described in any in claim 1-6, described in it is characterized in that, stop that mesh element (23) is arranged on described axially movable lancet holding element (22) upper, with can be radially to intrinsic deflection.
8. according to the blood-taking device (1) described in any one in claim 1-7, described in it is characterized in that, stop that mesh element (23) is arranged on described axially movable lancet holding element (22) upper, can radially outward giving prominence to respect to described puncture direction (18).
9. according to the blood-taking device (1) described in any one in claim 1-8, described in it is characterized in that, stop that mesh element (23) is arranged on described axially movable lancet holding element (22) upper, thereby make itself and ejecting device (20) spatially be separated from each other and mutually be isolated in function.
10. according to the blood-taking device (1) described in any one in claim 1-9, it is characterized in that described tensioning button member (14) and described release button member (16) are arranged on contrary longitudinal side of housing of described blood-taking device (1).
11. according to the blood-taking device (1) described in any one in claim 1-10, described in it is characterized in that, stop that mesh element (23) can be by described release-push element (13) by radially to intrinsic deflection, in this way, describedly stop that mesh element (23) can radially depart from described prevention element (24), thereby described axially movable lancet holding element (22) can be pushed at the upper described puncture spring element (31) by a previous tensioning of described puncture direction (18).
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 true CN103705253A (en) | 2014-04-09 |
| CN103705253B 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 (5)
| 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 |
| WO2012004355A1 (en) * | 2010-07-08 | 2012-01-12 | Sanofi-Aventis Deutschland Gmbh | Eliciting a blood sample |
| KR20120050527A (en) * | 2009-10-13 | 2012-05-18 | 에프. 호프만-라 로슈 아게 | Device for taking and analyzing a blood sample and lancet coupling mechanism |
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE505134T1 (en) * | 2007-10-19 | 2011-04-15 | Bionime Corp | LIVING DEVICE |
-
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 (5)
| 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 |
| KR20120050527A (en) * | 2009-10-13 | 2012-05-18 | 에프. 호프만-라 로슈 아게 | Device for taking and analyzing a blood sample and lancet coupling mechanism |
| WO2012004355A1 (en) * | 2010-07-08 | 2012-01-12 | Sanofi-Aventis Deutschland Gmbh | Eliciting a blood sample |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012019402B4 (en) | 2016-10-06 |
| CN103705253B (en) | 2015-11-18 |
| DE102012019402A1 (en) | 2014-04-10 |
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