CN103622705A - Blood collection needle case used in a puncture auxiliary device - Google Patents
Blood collection needle case used in a puncture auxiliary device Download PDFInfo
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- CN103622705A CN103622705A CN201310353654.8A CN201310353654A CN103622705A CN 103622705 A CN103622705 A CN 103622705A CN 201310353654 A CN201310353654 A CN 201310353654A CN 103622705 A CN103622705 A CN 103622705A
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- needle
- pin
- blood sampling
- sampling box
- box
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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
- A61B5/15146—Devices loaded with multiple lancets simultaneously, e.g. for serial firing without reloading, for example by use of stocking means.
- A61B5/15148—Constructional features of stocking means, e.g. strip, roll, disc, cartridge, belt or tube
- A61B5/15157—Geometry of stocking means or arrangement of piercing elements therein
- A61B5/15165—Piercing elements stocked in or on a strip
- A61B5/15171—Characterized by propelling the piercing element perpendicular to the direction of movement of the strip
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- A61B5/15146—Devices loaded with multiple lancets simultaneously, e.g. for serial firing without reloading, for example by use of stocking means.
- A61B5/15148—Constructional features of stocking means, e.g. strip, roll, disc, cartridge, belt or tube
- A61B5/15149—Arrangement of piercing elements relative to each other
- A61B5/15155—Piercing elements which are specially shaped or are provided with fittings or attachments to facilitate nesting, stacking or joining together end-to-end or side-by-side
-
- 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
- A61B5/15146—Devices loaded with multiple lancets simultaneously, e.g. for serial firing without reloading, for example by use of stocking means.
- A61B5/15148—Constructional features of stocking means, e.g. strip, roll, disc, cartridge, belt or tube
- A61B5/15157—Geometry of stocking means or arrangement of piercing elements therein
- A61B5/15165—Piercing elements stocked in or on a strip
- A61B5/15169—Characterized by a rolled strip
Abstract
The present invention relates to a blood collection needle case (4) used in a puncture auxiliary device (1), comprising a) a receiver (11) used in at least one blood collection needle (5) accommodated in the blood collection needle (22); b) a needle box shell (13) of an opening (7'), when the blood taking needle is moved back and forth, the pinpoint of the blood taking needle is exited from the opening (7'); c) a trigger plunger (17), the trigger plunger (17)is used for effectively connecting with the blood collection needle (5); the blood collection needle (5)is positioning existed from the opening (7') inside of the needle box shell (13), blood collection needle (5)moved back and forth along the axial direction; a safety member (30) is provided inside of the needle box shell (13), wherein the the trigger plunger (17) is allowed to move back and forth when the safety member (30) in the first position; the movement of the trigger plunger (17) is prevented when the safety member (30) is in the second position.
Description
Technical field
The present invention relates to according to the blood sampling box for needle or pin of the puncture auxiliary facilities for collection of body fluids sample of claim 1 preamble.Further, the present invention relates to have the puncture auxiliary facilities (puncturing aid) of this kind of blood sampling box for needle or pin (lancet magazine).
Background technology
The known puncture auxiliary facilities with this kind of blood sampling box for needle or pin in WO2006/027255A1.This puncture auxiliary facilities has the blood sampling box for needle or pin of bullet cydariform (magazine drum), and wherein, blood taking needle is inserted in this blood sampling box for needle or pin, the rotating shaft setting of symmetrically rousing around bullet, and can move along circulating path.Blood sampling box for needle or pin is placed on after this puncture auxiliary facilities, this puncture auxiliary facilities can be used by triggering piercing process, therefore blood taking needle shifts out from blood sampling box for needle or pin by the opening of puncture auxiliary facilities front side, if user is put puncture auxiliary facilities organizationally, he or she can puncture to this tissue.
Reason due to health, blood taking needle is only disposable use, to reduce from the tissue residue thing and/or the possible risk of body fluid residue to blood taking needle infection that stick on the blood taking needle of using, the possible risk especially from the blood residuals adhering to, blood taking needle being infected.Yet, likely blood sampling box for needle or pin is reinserted in puncture auxiliary facilities, wherein, this blood sampling box for needle or pin was once inserted into puncture auxiliary facilities and again removed; And reusing the blood taking needle being contained in blood sampling box for needle or pin, these blood taking needles were used at piercing process in some cases.
Yet, EP2218399A1 known blood collection box for needle or pin its from puncture auxiliary facilities remove process will extend, thus, blood sampling box for needle or pin geometry change by this method and can not again be inserted into puncture auxiliary facilities in.For this reason, external shell and the inner shell of blood sampling box for needle or pin are oppositely arranged, until the snap close of inner shell recoils in the corresponding opening of external shell, have stoped thus the external shell and the inner shell that are oppositely arranged again to move on to original original position.
EP1459683B1 also discloses a kind of blood sampling box for needle or pin, by thereby the geometry that outer shroud changes blood sampling box for needle or pin is set on the housing at blood sampling box for needle or pin, by this kind of mode, it is impossible that the blood sampling box for needle or pin with this kind of geometry variation reinserts in the auxiliary facilities that punctures.The engaged pawl of the resilience of outer shroud arrives the corresponding groove of blood sampling box for needle or pin housing herein, and has stoped the outer shroud on blood sampling box for needle or pin housing again to move on to original original position.
Yet verified, these schemes of again inserting for the blood sampling box for needle or pin of avoiding being once inserted in puncture auxiliary facilities are problematic, the change of blood sampling box for needle or pin geometry is easy to be reversed by user.For this reason, user only needs the effect by corresponding power, and the ratchet of the snap close of the blood sampling box for needle or pin in EP2218399A1 or the blood sampling box for needle or pin in EP1459683B1 is departed from respectively from its corresponding opening or groove.Because being easy to accomplish, these users relatively have no problem, and respectively can by the external shell of the blood sampling box for needle or pin in EP2218339A1 and inner shell be oppositely arranged or the outer shroud of the blood sampling box for needle or pin in EP1459683B1 is arranged on its blood sampling box for needle or pin housing, can come back to its original position thus.Blood sampling box for needle or pin known in these files can reinsert in relevant puncture auxiliary facilities now, and the blood taking needle being contained in this blood sampling box for needle or pin can reuse.
Summary of the invention
Therefore, the object of the invention is to further develop blood sampling box for needle or pin according to the preamble of claim 1, in this way, the reusing of blood sampling box for needle or pin once removing from puncture auxiliary facilities got rid of.
By thering is the blood sampling box for needle or pin of the feature of claim 1, realize this object.The preferred embodiments of the present invention are present in dependent claims.
Blood sampling box for needle or pin for the auxiliary facilities that punctures according to the present invention comprises substantially with lower component:
A) receptor, described receptor is for being contained at least one blood taking needle in blood sampling needle body;
B) box for needle or pin housing, described box for needle or pin housing comprises opening, when described blood taking needle moves forward and backward, the needle point of described blood taking needle exits from described opening;
C) trigger plunger, described triggering plunger is for being effectively connected with described blood taking needle; Described blood taking needle is located and is exited described opening in described outside box for needle or pin housing, to move forward and backward described blood taking needle along axial direction;
In described box for needle or pin housing, be provided with safety member, wherein when described safety member allows described triggering plunger to move forward and backward during in primary importance; When described safety member stops moving forward and backward of described triggering plunger during in the second position.
It should be noted in the discussion above that those term pin and blood taking needles below further explaining in this stage.Term pin and blood taking needle be not only for the cylindrical elements that represents to be made by metal, plastics and ceramic material or the element of this type, also for the element of the flat that represents to be made by metal, plastics and ceramic material, the element extending longitudinally or this type.Selectively, these pins or blood taking needle not only have needle point, also have at least one blade, and are applicable to, through tissue sampling body fluid sample, be particularly useful for sample of blood, drawn.
According to blood sampling box for needle or pin of the present invention, in described blood sampling box for needle or pin, be integrated with safety member.When described blood sampling box for needle or pin removes from described puncture auxiliary facilities, described safety member is sent to the second position from its primary importance.Wherein said triggering plunger can move forward and backward in described primary importance, thereby can carry out piercing process when described blood sampling box for needle or pin is inserted into described puncture auxiliary facilities; In the described second position, moving forward and backward of described triggering plunger stoped.In this case, when delivery status in described blood sampling box for needle or pin, described safety member is arranged in described primary importance.
When described blood sampling box for needle or pin removes from described puncture auxiliary facilities, described triggering plunger now blood sampling box for needle or pin in for being effectively connected with the actuation plunger of described puncture auxiliary facilities, described safety member is still in its primary importance.Only when discharging it when described blood sampling box for needle or pin removes, the actuation plunger of described puncture auxiliary facilities is connected with the effective of described triggering plunger, described safety member also moves to its second position, described triggering plunger can not move forward and backward in described blood sampling box for needle or pin again thus, and it moves forward and backward now and is stoped by safety member.Therefore, blood taking needle can not remove blood sampling box for needle or pin by triggering plunger actuation again.
Because safety member is arranged on blood sampling box for needle or pin inside, for the user of blood sampling box for needle or pin, described safety member cannot touch, and can not send back its primary importance.It is irreversible that described safety member moves to the second position in the blood sampling box for needle or pin of described sealing, therefore also can not recall.Therefore, can guarantee, after the blood sampling box for needle or pin in being once inserted into puncture auxiliary facilities removes, because safety member has stoped, trigger moving forward and backward of plunger, so this blood sampling box for needle or pin can not be carried out piercing process again.Even if the blood sampling box for needle or pin once removing from puncture auxiliary facilities according to the present invention can reinsert in puncture auxiliary facilities, yet, because described safety member has stoped moving forward and backward of actuation plunger in the second position, described blood sampling box for needle or pin again can not be carried out piercing process.
Although can open the blood sampling box for needle or pin removing and manually described safety member is sent to described primary importance again from the described second position, this needs many costs.In order to avoid the generation of this behavior completely, blood sampling box for needle or pin self can be arranged to seal on the one hand, and when the external shell of blood sampling box for needle or pin is opened, being re-engaged of external treatment, for example, by the breakdown point of expecting on external shell, is impossible.On the other hand, safety member self can be encapsulated in blood sampling box for needle or pin, selectively, be encapsulated in together with triggering plunger in blood sampling box for needle or pin, thus, once blood sampling box for needle or pin is opened, described safety member still can not freely touch, to prevent that it is turned back to primary importance from the second position.The breakdown point of expectation also can be arranged in this encapsulating structure, thereby once after described expectation breakdown point destruction, described triggering plunger can not move forward and backward again.In this sense, these measures have effectively been avoided reusing and have once been inserted in puncture auxiliary facilities and the blood sampling box for needle or pin shifting out from puncture auxiliary facilities.Although this blood sampling box for needle or pin can be inserted into again in puncture auxiliary facilities, but after once shifting out from puncture auxiliary facilities, described blood sampling box for needle or pin can avoid it to reuse by these measures effectively, this be due to otherwise to trigger the displacement path that plunger moves forward and backward blocked, blood sampling box for needle or pin or its triggering plunger can not work respectively again, use thus this blood sampling box for needle or pin being inserted in puncture auxiliary facilities can not carry out another piercing process again.For reduce during normal use do not have, to blood sampling deliberately opening of box for needle or pin and produce the risk of infection, in the blood sampling needle body of each blood taking needle, the needle point of blood taking needle is contained in the primary importance and the second position of described safety member.In this sense, will can not cause any puncture injury because of unsuitable opening.
Therefore, can get rid of due to reusing that peripheral operation causes.
According to concrete preferred idea of the present invention, described safety member is configured to spring element, when described safety member rests on locking flange during in described primary importance, to be pressed in advance on described locking flange.This measure means, can discharge in simple mode, because the production of this spring element is easy to and very cheap according to the safety member for the box for needle or pin of taking a blood sample of the present invention.
In another preferred embodiment of the present invention, described triggering plunger has member, when the described blood sampling box for needle or pin of described member in inserting described puncture auxiliary facilities removes, mobile described locking flange is as the support of described spring element, thereby when reducing at least part of precompressed of described spring element, described spring element is sent to the described second position from described primary importance.
These members here can be configured to expandable element (spreading element).When described blood sampling box for needle or pin removes from described puncture auxiliary facilities, described member slides on the acclivity of blood sampling box for needle or pin, and pass through at least one connecting band in blood sampling box for needle or pin, along pulling back in the opposite direction described triggering plunger with described blood taking needle exporter, until at described blood sampling box for needle or pin from the last dispose procedure of described puncture auxiliary facilities, described locking flange is pulled to described spring element below, thereby described spring element is because its precommpression transmits the described second position.
When described blood sampling box for needle or pin removes from described puncture auxiliary facilities by withdrawing while producing active force, when described expandable element moves to described acclivity and enters its terminal location due to the effect of described active force, described spring element falls from described locking flange, and move to the described second position from described primary importance, enter locking state.Described spring element, in this process, moves to the position of its release pressure, or at least the direction in the position of its release pressure moves.Then, described triggering plunger reaches its maximum deflection or displacement in the driving device direction of puncture auxiliary facilities respectively, and described actuation plunger discharges by described triggering plunger.Owing to lacking the described spring element probability of precompressed again, in other words, take described spring element to the primary importance corresponding with its home position, described triggering plunger can not move again, even if this blood sampling box for needle or pin inserts in puncture auxiliary facilities again, can not carry out another piercing process.
According to another idea of the present invention, described trigger column is provided with Connection Element beyond the Great Wall, described Connection Element matches with the Connection Element of the described actuation plunger of described puncture auxiliary facilities, thereby when described blood sampling box for needle or pin is inserted in described puncture auxiliary facilities, described Connection Element mutually slides on suitable acclivity, until after described blood sampling box for needle or pin inserts in described puncture auxiliary facilities, described Connection Element is supported mutually by supporting surface.This measure has guaranteed that described actuation plunger can pass to its motion the described triggering plunger of described blood sampling box for needle or pin, wherein said motion is carried out by the driving device of described puncture auxiliary facilities, therefore when blood sampling box for needle or pin according to the present invention is inserted in described puncture auxiliary facilities, and the safety member of described blood sampling box for needle or pin, when primary importance, has described puncture auxiliary facilities and can carry out piercing process.
In the described second position, on the one hand, described safety member is supported on the contact surface of described triggering plunger, on the other hand, is supported on described outside box for needle or pin housing, is especially supported on the end face of described outside box for needle or pin housing.This has guaranteed that described safety member is arranged on the whole displacement path of described triggering plunger, thus when described safety member during in the second position whole displacement path blocked, wherein said displacement path moves forward and backward for described triggering plunger.
Therefore, described external shell is fixedly installed, and sealing substantially, and described external shell has outside box for needle or pin case cover.In this example, described outside box for needle or pin case cover has opening, and the described actuation plunger of described puncture auxiliary facilities can be inserted in described blood sampling box for needle or pin via described opening.
The present invention is also separately protected for the puncture auxiliary facilities of collection of body fluids sample, and wherein said puncture auxiliary facilities has adopted above-mentioned blood sampling box for needle or pin.
Accompanying drawing explanation
By means of accompanying drawing, other objects of the present invention, advantage, feature and application possibility occur in following embodiment explanation.In this case, feature all descriptions and/or illustrated significantly constitutes theme of the present invention individually or with various, or even quotes irrelevant with summary or the background of their claim.
In accompanying drawing:
Fig. 1 is the structural representation when the closure state according to the puncture auxiliary facilities in one embodiment of the invention;
Fig. 2 is the explosive view of the puncture auxiliary facilities in Fig. 1;
Fig. 3 is according to the detailed structure schematic diagram of the triggering plunger of the blood sampling box for needle or pin in one embodiment of the invention;
Fig. 4 is according to the phantom of the blood sampling box for needle or pin in one embodiment of the invention, and the driver element wherein with the puncture auxiliary facilities of actuation plunger is bonded in blood sampling box for needle or pin, and this actuation plunger is in the triggering plunger of blood sampling box for needle or pin;
Fig. 5 is arranged on primary importance according to the safety member in one embodiment of the invention, and has the structural representation of blood sampling box for needle or pin of the lancet strip of insertion;
Fig. 6 is placed in lid and the half sectional view being surrounded by outside box for needle or pin housing according to the blood sampling box for needle or pin in Fig. 5; And,
Fig. 7 is that blood sampling box for needle or pin in Fig. 5 is along the cutaway view of the front end perpendicular to the longitudinal axis.
list of reference numerals
1 puncture auxiliary facilities
2 longitudinal axis
3 bases
4 blood sampling box for needle or pins
5 blood taking needles
6 longitudinal sides
7 outlets
7 ' outlet
8 locating surfaces
9 needle points
10 transporters
11 receptors, gathering sill
12 lids
13 outside box for needle or pin housings
14 driving devices
15 outside box for needle or pin case cover
16 actuation plunger
17 trigger plunger
18 strain components
19 trigger elements
20 circulation trigger elements
21 lancet strips
22 blood sampling needle bodies
23 connecting bands
25 connection networks
26 lancet strip ends
27 snak links
28 backshanks
30 safety members
31 release elements
32 locking flanges
33 lateral region
34 lateral region
40 spring elements, spring leaf
44 end faces
50 members
51 expandable elements
52 expandable elements
53 acclivities
54 acclivities
55 connecting bands
56 connecting bands
57 Connection Elements
58 Connection Elements
59 Connection Elements
60 Connection Elements
61 acclivities
62 acclivities
63 acclivities
64 acclivities
65 supporting surfaces
66 supporting surfaces
67 supporting surfaces
68 supporting surfaces
69 contact surfaces
70 openings
71 Connection Elements
The specific embodiment
Fig. 1 has shown according to the puncture auxiliary facilities 1 in one embodiment of the invention.This puncture auxiliary device 1 is substantially with respect to the longitudinal axis 2 Rotational Symmetries of base 3 of puncture auxiliary facilities 1.At 6 places, end of base 3, this base has lid 12, and by means of this lid 12, the blood sampling box for needle or pin 4 or the base 3 that are arranged on puncture auxiliary facilities 1 inside are covered.In addition, this lid 12 has member, does not show in the drawings equally, and this member is for adjusting the paracentesis depth of pin 24.
Puncture auxiliary facilities 1 is provided with driving device 14, does not show in the drawings more details, and by this driving device 14, the blood taking needle 5 being arranged in blood sampling box for needle or pin 4 can shift out by the loading of spring force via outlet 7, also can be moved back in puncture auxiliary facilities 1.
Therefore, driving device 14 can move forward and backward blood taking needle 5.Trigger element 19 is arranged on the base 3 of puncture auxiliary facilities 1, can trigger blood taking needle 5 move forward and backward once by this trigger element 19.Yet this only the moving forward and backward of blood taking needle 5 just starts when driving device 14 carries out the loading of spring force in advance.For this reason, provide strain component 18, under the driving of this strain component 18, driving device 14 loading spring power, the ，Gai end, end that wherein strain component 18 is arranged on puncture auxiliary facilities 1 or base 3 is 6 opposite in end.
In addition, for the circulation trigger element 20 of circulating device, be arranged on equally base 3, this circulation trigger element 20 does not show more details equally in the drawings.This circulation trigger element 20, for after moving by driving device 14 when blood taking needle 5, is initiated motion to the blood taking needle 5 of using at the gathering sill 11 of blood sampling box for needle or pin 4.Thus, the needle point of blood taking needle 5 exits by exporting 7, and then blood taking needle 5 is returned in puncture auxiliary facilities 1 completely again.This kind of mode that move through that circulation trigger element 20 is initiated occurs, thereby make the blood taking needle 5 in gathering sill 11 be sent to origin-location in blood sampling box for needle or pin 4 away from it, adjacent blood taking needle 5 is sent to this position, and this blood taking needle 5 can move forward and backward by driving device 14 thus.
Fig. 2 is the explosive view of the puncture auxiliary facilities 1 in Fig. 1, and the parts of the auxiliary facilities that punctures thus inside are seen.Driving device 14 has effective connection with 18 of trigger element 19 and strain components.Driving device 14 protrudes from the base 3 of puncture auxiliary facilities 1 with its actuation plunger 13; And this strain component 18, trigger element 19 and circulation trigger element 20 are all arranged on the base 3 of this puncture auxiliary facilities 1.In puncture auxiliary facilities 1 during in closure state, this actuation plunger 16 has effective connection with the triggering plunger 17 for blood taking needle 5, wherein this blood taking needle 5 is arranged in blood sampling box for needle or pin 4, in this way, the needle point of this blood taking needle 5 can exit blood sampling box for needle or pin 4 by the outlet 7 on locating surface 8.As shown in Figure 2, especially, on blood sampling box for needle or pin 4, outside box for needle or pin housing 13 and outside box for needle or pin case cover 15 are provided.Blood sampling box for needle or pin 4 can be received in wherein in the mode substantially encapsulating, thereby the blood taking needle 5 being arranged in blood sampling box for needle or pin 4 is avoided externalities substantially, thereby avoids the impact of pollutant or impurity, even if lid 12 is not placed in puncture auxiliary facilities 1.In this case, the end face 44 of outside box for needle or pin housing 13 has outlet 7 ', and in the time of on lid 12 being placed on to puncture auxiliary facilities 1 or base 3, this outlet 7 ' is identical with the outlet 7 of lid 12.Thus, the blood taking needle 5 in the blood sampling box for needle or pin 4 of relative set in puncture auxiliary facilities 1 can shift out by two outlets 7 and 7 ', therefore can carry out piercing process.
Fig. 3 is according to the detailed maps of the triggering plunger 17 of the blood sampling box for needle or pin 4 in one embodiment of the invention.The architectural feature of this triggering plunger 17 can clearly be seen at this.When blood sampling box for needle or pin 4 is when being inserted into the state puncturing in auxiliary facilities, at this, trigger one end that plunger 17 points to the outlet 7 ' of blood sampling box for needle or pins 4, this triggering plunger 17 has locking flange 32.On this locking flange 32, safety member 30 can be arranged in its primary importance, and in this primary importance, triggering plunger 17 can move forward and backward in blood sampling box for needle or pin 4.Yet locking flange 32 or triggering plunger 17 self have equally respectively contact surface 69, on this contact surface 69, safety member 30 can be subject to the support of its lateral region 34 in the second position.This safety member 30 is configured to respectively spring element 40 or spring leaf 40.In the second position, this safety member 30 that is configured to spring element 40 or spring leaf 40 is externally subject to the support in its region, the other side 33 on the contact surface 69 of box for needle or pin housing 13.In the second position, trigger plunger 17 moving forward and backward thus in blood sampling box for needle or pin and lock by safety member 30.Wherein this safety member 30 is configured to spring element 40 or spring leaf 40.The spring element 40 here cuts into specific size and makes to trigger plunger 17 and can arrive to a certain degree in the motion of primary importance, thereby when the lateral region 34 that there is no safety member 30 stops the motion that triggers plungers 17, can carry out piercing process.
The element that triggers plunger is arranged on the other end that triggers plunger 17, has for engaging the opening 70 of actuation plunger 16 of the driving device 14 of puncture auxiliary facilities 1 on this other end.Wherein, the element of this triggering plunger is for guaranteeing the coordinating between the triggering plunger 17 of box for needle or pin 4 and the actuation plunger 16 of the driving device 14 of puncture auxiliary facilities 1 of taking a blood sample.
On the one hand, form is that the member 50 of expandable element 51,52 is fixedly installed on connecting band 55,56.When blood sampling box for needle or pin 4 removes from puncture auxiliary facilities 1, this expandable element 51,52 slides on the acclivity 53,54 of blood sampling box for needle or pin 4, in this case, box for needle or pin 4 is interior outwards moves radially in blood sampling for expandable element 51,52, and trigger plunger 17, in blood sampling box for needle or pin 4, by connecting band 55,56, moves down.Once expandable element 51,52 is completely sliding on the acclivity 53,54 of blood sampling box for needle or pin 4, and while arriving its largest extension radius (maximum radial spread), triggers the actuation plunger 16 of plunger 17 by puncture auxiliary facilities 1 and discharge.Meanwhile, locking flange 32 is fully withdrawn to safety member 30 belows, and wherein this safety member 30 is configured to precompressed spring element 40 or spring leaf 40, and therefore, due to precommpression, spring element is sent to the second position from primary importance.Wherein, in primary importance, triggering plunger 17 can move forward and backward in blood sampling box for needle or pin; And will stop up the mobile route of the triggering plunger 17 in blood sampling box for needle or pin 4 in the second position.
The operating mode of this release can be clear that in Fig. 4.According to blood sampling box for needle or pin 4 of the present invention, here with the form of phantom, show.In this blood sampling box for needle or pin 4, the driver element 14 with the puncture auxiliary facilities 1 of actuation plunger 16 joins in the triggering plunger 17 of blood sampling box for needle or pin 4.As shown in Figure 4, wherein this safety member 30 is configured to respectively spring element 40 or the spring leaf 40 of prestrain stress to the primary importance of safety member 30.This safety member 30 is being stopped locking flange 32 in primary importance.Actuation plunger 16 has effective connection with triggering between plunger 17.In this case, trigger the supporting surface 65,66 of the Connection Element 57,58 of plunger 17, mutually support with the corresponding supporting surface 67,68 of Connection Element 59,60 in actuation plunger 16.Thus, in piercing process, trigger the backward motion of plunger 17 in blood sampling box for needle or pin 4 and guaranteed.The Connection Element 59,60 of actuation plunger 16 matches with the Connection Element 71 of blood sampling box for needle or pin 4 equally, to guarantee in piercing process, triggers plunger 17 travelling forward in blood sampling box for needle or pin 4.
As previously described, when blood sampling box for needle or pin 4 discharges from puncture auxiliary facilities 1, expandable element 51,52 slides on the acclivity 53,54 of blood sampling box for needle or pin 4.Simultaneously, when expandable element 51,52 arrives its largest extension radius, trigger the supporting surface 65,66 of Connection Element 57,58 of plunger 17 and the supporting surface 67,68 of the Connection Element 59,60 of actuation plunger 16 separated, the box for needle or pin 4 of then taking a blood sample can shift out from puncture auxiliary facilities 1.Simultaneously, in this example, when actuation plunger 16 with while triggering the effective Connection Release between plunger 17, be configured to the safety member 30 of spring element 40 by precommpression, from primary importance, be sent to the second position, in the second position, be irreversibly retained in closed blood sampling box for needle or pin 4.Although the blood sampling box for needle or pin 4 shifting out from puncture auxiliary facilities 1 by this kind of mode can be inserted in puncture auxiliary facilities again, but owing to being configured to the locked position of the safety member 30 of spring element 40, the triggering plunger 17 with this blood sampling box for needle or pin 4 can not carry out piercing process again.
In Fig. 6, the blood sampling box for needle or pin 4 with outside box for needle or pin housing 13 displays with the form of phantom, wherein, and in this blood sampling box for needle or pin 4, the driver element 14 with actuation plunger 16 is engaged in the triggering plunger 17 of blood sampling box for needle or pin 4, and outside box for needle or pin housing 13 is connected with lid 15.The safety member 30 that is configured to spring element 40 is here arranged in its primary importance, and can see in blood sampling box for needle or pin 4.In this primary importance, box for needle or pin 4 is interior can seesaw in blood sampling to trigger plunger 17.
Fig. 5 shown in Fig. 6 there is no outside box for needle or pin housing 13 time blood sampling box for needle or pin 4.Lancet strip 21 here can be clear that.Wherein, lancet strip 21 is contained in blood sampling box for needle or pin 4, and a plurality of independent blood taking needle 5 constraining in blood sampling needle body 22 is separately contained in this lancet strip 21.In addition, snak link 27 is arranged in box for needle or pin case cover 15, and wherein box for needle or pin housing 13 can be fixed in box for needle or pin case cover 15 by this snak link 27.
Finally, Fig. 7 has shown the cutaway view from carrying out according to the blood sampling box for needle or pin 4 in other views above.Be configured to the safety member 30 of spring element 40 in primary importance, in this primary importance, trigger plunger 17 moving forward and backward in blood sampling box for needle or pin 4 and carried out.The lancet strip 21 of opening is here inserted in blood sampling box for needle or pin 4, and this blood sampling box for needle or pin 21 is subject to the guiding of gathering sill 11.Due to this gathering sill, the blood taking needle 5 on lancet strip 22 can exit the needle point of pin 24 or blood taking needle 5 to be placed to respectively from exporting 7,7 ', and reaches its puncture position.The forced guiding of blood taking needle 5 in gathering sill 11, can be clear that with being bonded in this view of triggering plunger 17 of blood sampling box for needle or pin 4 with the driving device 14 with actuation plunger 16.
Claims (11)
1. for the blood sampling box for needle or pin (4) of the auxiliary facilities that punctures (1), comprise,
A) receptor (11), described receptor (11) is for being contained at least one blood taking needle (5) in blood sampling needle body (22);
B) box for needle or pin housing (13), described box for needle or pin housing (13) comprises opening (7 '), when described blood taking needle (5) moves forward and backward, the needle point of described blood taking needle exits from described opening (7 ');
C) trigger plunger (17), described triggering plunger (17) is for being effectively connected with described blood taking needle (5), described blood taking needle (5) is located and is exited described opening (7 ') in described outside box for needle or pin housing (13), to move forward and backward described blood taking needle (5) along axial direction;
It is characterized in that, in described box for needle or pin housing (13), be provided with safety member (30), wherein when described safety member (30) allows described triggering plunger (17) to move forward and backward during in primary importance; When described safety member (30) stops moving forward and backward of described triggering plunger (17) during in the second position.
2. blood sampling box for needle or pin according to claim 1 (4), it is characterized in that, described safety member (30) is configured to spring element (40), and when described safety member (30), to rest in locking flange (32) during in described primary importance upper, to be pressed in advance on described locking flange (32).
3. blood sampling box for needle or pin according to claim 2 (4), it is characterized in that, described triggering plunger (17) has member (50), when the described blood sampling box for needle or pin (4) of described member (50) in inserting described puncture auxiliary facilities (1) removes, mobile described locking flange (32) is as the support of described spring element (40), thereby when reducing at least part of precompression of described spring element (40), described spring element is sent to the described second position from described primary importance.
4. blood sampling box for needle or pin according to claim 3 (4), is characterized in that, described member (50) is configured to expandable element (51,52), when described blood sampling box for needle or pin (4) removes from described puncture auxiliary facilities (1), described member (50) is at the acclivity (53 of blood sampling box for needle or pin (4), 54) upper slip, and in blood sampling box for needle or pin (4), pass through at least one connecting band (55, 56), along pulling back in the opposite direction described triggering plunger (17) with described blood taking needle (5) exporter, until at described blood sampling box for needle or pin (4) from the last dispose procedure of described puncture auxiliary facilities (1), described locking flange (32) is pulled to described spring element (40) below, thereby make described spring element (40) because its precommpression transmits the described second position.
5. blood sampling box for needle or pin according to claim 4 (4), it is characterized in that, described triggering plunger (17) is provided with Connection Element (57, 58), described Connection Element (57, 58) with the Connection Element (59 of the described actuation plunger (16) of described puncture auxiliary facilities (1), 60) match, thereby when described blood sampling box for needle or pin (4) is inserted in described puncture auxiliary facilities (1), described Connection Element is at suitable acclivity (61, 62, 63, 64) upper slip mutually, until after described blood sampling box for needle or pin (4) inserts in described puncture auxiliary facilities (1), described Connection Element is by supporting surface (65, 66, 67, 68) mutually support.
6. according to blood sampling box for needle or pin in any one of the preceding claims wherein (4), it is characterized in that, described safety member (30) is in the described second position, on the one hand, be supported on the contact surface (69) of described triggering plunger (17), on the other hand, be supported on described outside box for needle or pin housing (13) upper, be especially supported on the end face (44) of described outside box for needle or pin housing (13).
7. according to blood sampling box for needle or pin in any one of the preceding claims wherein (4), it is characterized in that, described outside box for needle or pin housing (13) has outside box for needle or pin case cover (15).
8. blood sampling box for needle or pin according to claim 7 (4), it is characterized in that, described outside box for needle or pin case cover (15) has opening (70), and the described actuation plunger (16) of described puncture auxiliary facilities (1) can be inserted in described blood sampling box for needle or pin (4) via described opening (70).
9. according to blood sampling box for needle or pin in any one of the preceding claims wherein (4), it is characterized in that, described safety member (30) is encapsulated in described blood sampling box for needle or pin (4).
10. according to blood sampling box for needle or pin in any one of the preceding claims wherein (4), it is characterized in that, described blood sampling box for needle or pin (4) seals.
The 11. puncture auxiliary facilities (1) for collection of body fluids sample, described puncture auxiliary facilities (1) adopts according to the blood sampling box for needle or pin (4) described in any one in claim 1-10.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012107748.7 | 2012-08-22 | ||
| DE102012107748.7A DE102012107748B4 (en) | 2012-08-22 | 2012-08-22 | Lancet magazine for use in a lancing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103622705A true CN103622705A (en) | 2014-03-12 |
| CN103622705B CN103622705B (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310353654.8A Active CN103622705B (en) | 2012-08-22 | 2013-08-14 | For the blood collection needle case of the auxiliary facilities that punctures |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103622705B (en) |
| DE (1) | DE102012107748B4 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108324289A (en) * | 2018-04-17 | 2018-07-27 | 青岛市市立医院 | A kind of blood collection device of medical test |
| CN111166348A (en) * | 2018-11-12 | 2020-05-19 | 天津华鸿科技股份有限公司 | Blood taking needle |
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| US20040260325A1 (en) * | 2003-03-20 | 2004-12-23 | Hans-Juergen Kuhr | Lancing aid comprising a lancet system that is protected against re-use |
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| CN111166348A (en) * | 2018-11-12 | 2020-05-19 | 天津华鸿科技股份有限公司 | Blood taking needle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012107748B4 (en) | 2016-09-01 |
| CN103622705B (en) | 2015-09-16 |
| DE102012107748A1 (en) | 2014-05-28 |
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