CN108937964A - It is a kind of to can confirm that the blood collecting pen of blood taking needle dress needle in place - Google Patents
It is a kind of to can confirm that the blood collecting pen of blood taking needle dress needle in place Download PDFInfo
- Publication number
- CN108937964A CN108937964A CN201810492948.1A CN201810492948A CN108937964A CN 108937964 A CN108937964 A CN 108937964A CN 201810492948 A CN201810492948 A CN 201810492948A CN 108937964 A CN108937964 A CN 108937964A
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- China
- Prior art keywords
- bar
- needle
- bolt
- collecting pen
- blood collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
Abstract
It is a kind of to can confirm that blood taking needle dress needle blood collecting pen in place, including penetrate bar and shell, it is characterised in that: to examine bolt penetrating to be equipped between bar and shell, examine bolt and penetrate bar and be slidably connected in blood collecting pen axial direction, penetrate that bar is corresponding to examine bolt equipped with rear end limit；Bolt is examined to be equipped with grab and the first abutment face, grab and being clasped in locking structure；First abutment face is located on needle stand；Needle stand bottom is equipped with the second abutment face；Bar is penetrated equipped with abutment surface, shell is equipped with fixed confined planes, abutment surface and fixed confined planes cooperation for limiting and penetrating at a distance from bar moves backward.Meet following equation when filling needle: Δ S=S1-S2, wherein Δ S is the distance between the first abutment face and the second abutment face；S1 is the distance between buckle and grab；S2 is fixed the distance between confined planes and abutment surface.The present invention solves blood taking needle dress needle brought the problems such as influencing puncture depth and effect and feeling of pain not in place.
Description
Technical field
The present invention relates to medical blood taking instrument, the in particular to a kind of and matching used blood collecting pens of disposable blood taking needle.It should
Blood taking needle is only inserted on needle stand can just load in place in use by blood collecting pen, and enters battery, that is, is had true
Blood taking needle is recognized the characteristics of being installed in place on needle stand.
Background technique
Blood collecting pen is a kind of and matching used blood-taking device of disposable blood taking needle, and wherein blood collecting pen is reusable, and
Blood taking needle is only disposable in order to avoid cross infection.The development of blood collecting pen has many decades history, wherein to blood collecting pen
Improvement also experienced many stages, and gradually move to maturity.
Blood collecting pen is from the point of view of paracentesis depth adjustability at present, and can be divided into paracentesis depth can reconcile paracentesis depth non-adjustable two
Class, but preposition head impact can be divided into again in the adjustable blood collecting pen of paracentesis depth and adjusted and two kinds of adjusting of postposition shock.
It is to adapt to all ages and classes (such as adult and children) and different cortical thickness that the paracentesis depth of blood collecting pen is adjustable
Blood sampling object, in blood collecting pen structure specially design have paracentesis depth regulating mechanism, with meet it is different blood sampling objects needs.
Chinese patent CN202891945U authorizes a Patent No. in bulletin on April 24th, 2013
2012204829392, the utility model patent of entitled " painless blood collecting pen ".Design has paracentesis depth to adjust machine in the patent
Structure, regulating member are adjustment cap, which is located at the front of blood collecting pen, are a kind of blood collecting pens that preposition head impact is adjusted.
United States Patent (USP) US5613978 authorizes a title " Adjustable tip in bulletin on March 25th, 1997
Lancet device " (adjustment cap of blood-taking device) patent of invention.Paracentesis depth regulating mechanism is also configured in the patent,
Regulating member is adjustment cap, the blood collecting pen which is located at the front of blood collecting pen and a kind of preposition head impact is adjusted.
Chinese patent CN107854129A discloses a number of patent application on March 30th, 2018
2017109927100, the application for a patent for invention of entitled " a kind of blood collecting pen that paracentesis depth postposition is adjusted ".It is set in this application
It is a kind of blood collecting pen that postposition shock is adjusted in respect of the paracentesis depth regulating mechanism of postposition.
For blood collecting pen, no matter paracentesis depth adjustability is that form, when filling needle, blood taking needle is relative to needle stand
Whether insert and all more or less has an impact in place to using.Blood collecting pen nonadjustable for paracentesis depth, blood taking needle insert not
To position influence puncture effect and feeling of pain；For the blood collecting pen that preposition head impact is adjusted, blood taking needle inserts not shadow not in place
Puncture depth is rung, but influences puncture effect and feeling of pain；The blood collecting pen adjusted is hit for postposition, blood taking needle inserting is not in place
Puncture depth (not in place to increase puncture depth, paracentesis depth regulating mechanism is unable to control paracentesis depth) is not only directly affected,
And have an effect on puncture effect and feeling of pain.It can be seen that whether blood taking needle inserting in place influences very the use of blood collecting pen
Greatly.But according to the applicant understood for now, not yet discovery blood collecting pen has the property for confirming that blood taking needle is installed in place on needle stand
Can, blood taking needle only inserts on needle stand can just load in place in use by blood collecting pen, and enters battery, otherwise without
Method is loaded.
For this purpose, how to design a kind of with the blood collecting pen that is installed in place on needle stand of confirmation blood taking needle is that the present invention studies
Project.
Summary of the invention
The present invention provide it is a kind of can confirm that blood taking needle dress needle blood collecting pen in place, its purpose is to solve blood taking needle dress needle not
The problems such as puncture depth and effect and feeling of pain are influenced brought by place.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: it is a kind of to can confirm that the blood sampling in place of blood taking needle dress needle
Pen, including penetrate bar and shell.
Described to penetrate the emission element that bar is blood collecting pen, the head for penetrating bar is equipped with the needle stand for being used to insert disposable blood taking needle.
The shell is the pen body of blood collecting pen, is equipped with ejection chamber in shell, penetrates bar and be placed in the ejection chamber；It is set on shell
There is firing button and penetrate the buckle of bar for locking of loading, firing button and buckle are drivingly connected.
Its innovation is: being equipped with one penetrating between bar and shell for managing the inspection bolt of dress needle in place, examining bolt is one
Structural member and being located in is penetrated on bar, and is slidably connected with bar is penetrated in blood collecting pen axial direction, penetrates that bar is corresponding to examine bolt to be equipped with rear end limit
Bolt is examined to be in back-end location relative to bar is penetrated when examining bolt to slide rearwardly to rear end limit on penetrating bar in position.
The inspection bolt is equipped with grab and the first abutment face, wherein grab is the position of coupler body and the corresponding buckle
It is arranged with path, grab and is clasped to form locking structure；First abutment face is one and is used to receive blood taking needle when filling needle
The effect end of the contact surface of touching, the first abutment face is located on the needle stand.
The seat orlop portion of the needle stand is equipped with the second abutment face, which is that another is used to receive when filling needle
The contact surface of blood taking needle touching.
Equipped with abutment surface, which faces rear and is used to limit to penetrate the distance that bar moves backward the bar of penetrating；It is right
Should abutment surface fixed confined planes are equipped on shell, which faces front, and moves backward positioned at abutment surface
Path on.
Before blood collecting pen dress needle under state, axially it is reference with blood collecting pen, meets following equation:
Δ S=S1-S2；
In formula:
Δ S is the distance between the first abutment face and the second abutment face；
S1 is the distance between buckle and grab；
S2 is fixed the distance between confined planes and abutment surface.
Related content in above-mentioned technical proposal is explained as follows:
1. in above scheme, " front end ", " front " and the meaning of " preceding " refers to the pen tip meaning side of blood collecting pen in " forward "
To or blood taking needle firing direction.The meaning of " rear " refers to the tail institute of blood collecting pen in " rear end ", " backward " and " backwards "
The opposite direction of finger direction or blood taking needle firing direction.
2. in above scheme, " axial direction " refer to the axis direction of blood collecting pen and the pen tip of blood collecting pen and tail it
Between line directions of rays, or be front-rear direction.
3. in above scheme, " firing button and buckle are drivingly connected " refers to that pressing firing button can drive buckle
A kind of connection relationship of unlock.Usually there are two types of types of attachment for drive connection, one is firing button and snap connection integrally,
It is integrated connection relationship；Another kind is that firing button passes through a kind of intermediary agency and snaps connection, and pressing firing button can lead to
It crosses intermediary agency and drives buckle unlock.
4. in above scheme, " shell " refers to the total of opposite fixation (static) component penetrated for the movable parts such as bar
Claim.
Design principle and technical concept of the present invention are: deep in order to solve the brought influence puncture not in place of blood taking needle dress needle
Degree and the problems such as effect and feeling of pain, firstly, the present invention is additionally arranged one entitled " examining bolt " penetrating between bar and shell
Structural member, for manage dress needle whether in place.The inspection bolt has the characteristics that following four: first, it examines bolt and penetrates bar in axis
To being slidably connected；Second, examine bolt be equipped with a grab, for being clasped on firing button, rise locking and unlocking
Penetrate the effect of bar；Third is examined and is additionally provided with first abutment face on bolt, which is located in the seat storehouse of needle stand,
It is used to receive blood taking needle touching when filling needle；4th, it examines bolt to slide backward on penetrating bar and is limited equipped with rear end.Secondly, of the invention
An abutment surface is equipped on penetrating bar, the corresponding abutment surface is equipped with fixed confined planes on shell, for limit penetrate bar relative to
The distance that shell moves backward, penetrating bar to it is mobile when abutment surface and fixed limit face contact, force and penetrate bar stopping and move backward.
During filling needle after blood taking needle insertion needle stand, the bottom of one side blood taking needle contacts the first abutment face, and push examine bolt to
After move, the bottom of another aspect blood taking needle contacts needle stand bottom, and pushes and penetrate bar and move backward.Due to examining the grab of bolt
It moves back locking distance and is directly connected with the distance that moves back for penetrating bar, therefore blood taking needle is inserted on needle stand only and just can guarantee in place
It penetrates bar to load locking, and enters battery, if penetrating bar can not load locking, can ensure that blood taking needle in needle stand in this way
On be installed in place.
Due to the utilization of above scheme, compared with the prior art, the present invention has the following advantages and effect:
1. the present invention using examine bolt and penetrate bar carry out cooperation can be confirmed whether blood taking needle inserts in place on needle stand, only by
Blood taking needle inserts the locking that can just load in place on needle stand, and enters battery, otherwise can not load, preferably resolve
Blood taking needle dress needle brought the problems such as influencing puncture depth and effect and feeling of pain not in place in the prior art.
2. the present invention is by the inserting of blood taking needle and examines bolt to move backward to load and penetrate bar and move backward from apart from upper association
Get up, only when blood taking needle is inserted to needle stand bottom from apart from the upper condition of loading for being just able to satisfy inspection bolt, design is reasonable, structure
Think ingenious, has substantive distinguishing features outstanding and significant progressive, it is creative.
3. the present invention is suitable for various types of blood collecting pens, blood collecting pen nonadjustable for paracentesis depth, using the present invention
After can improve puncture effect, mitigate feeling of pain；It, after applying the present invention can also be with for the blood collecting pen that preposition head impact is adjusted
Improve puncture effect, mitigates feeling of pain；The blood collecting pen adjusted is hit for postposition, can not only improve puncture effect, mitigates pain
Pain, it is often more important that can solve the problem of paracentesis depth regulating mechanism is unable to control paracentesis depth, i.e. blood taking needle inserting not
In place increase puncture depth, if blood taking needle inserting position is not fixed, can not be worn using paracentesis depth regulating mechanism to control
Pierce depth.
Detailed description of the invention
Attached drawing 1 is blood collecting pen embodiment stereogram exploded view of the present invention；
Attached drawing 2 is blood collecting pen embodiment cap seat perspective view of the present invention；
Attached drawing 3 is blood collecting pen embodiment cap seat three-dimensional cutaway view of the present invention；
Attached drawing 4 is another view stereo figure of blood collecting pen embodiment cap seat of the present invention；
Attached drawing 5 is that blood collecting pen embodiment of the present invention examines bolt perspective view；
Attached drawing 6 is that blood collecting pen embodiment of the present invention examines another view stereo figure of bolt；
Attached drawing 7 is that blood collecting pen embodiment of the present invention penetrates bar leading portion perspective view；
Attached drawing 8 is that blood collecting pen embodiment of the present invention penetrates bar perspective view；
Attached drawing 9 is the partial enlarged view in Fig. 8；
Attached drawing 10 is that blood collecting pen embodiment of the present invention penetrates another view stereo figure of bar；
Attached drawing 11 is that blood collecting pen embodiment of the present invention penetrates bar and examines bolt combination stereogram；
Attached drawing 12 is the partial enlarged view (one) in Figure 11；
Attached drawing 13 is the partial enlarged view (two) in Figure 11；
Attached drawing 14 is that blood collecting pen embodiment of the present invention unloads shank perspective view；
Attached drawing 15 is blood collecting pen embodiment firing button perspective view of the present invention；
Attached drawing 16 is another view stereo figure of blood collecting pen embodiment firing button of the present invention；
Attached drawing 17 is principle of the invention figure；
Attached drawing 18 is the initial assembly state diagram of blood collecting pen embodiment of the present invention；
Attached drawing 19 is that blood collecting pen embodiment of the present invention is packed into blood taking needle state diagram；
Attached drawing 20 is that blood collecting pen embodiment of the present invention continues to be packed into blood taking needle state diagram；
Attached drawing 21 is that blood collecting pen embodiment contact pin of the present invention loads state diagram；
Attached drawing 22 is that blood collecting pen embodiment blood taking needle of the present invention inserts the state diagram not in place that can not load in the way of contact pin；
Attached drawing 23 is that blood collecting pen embodiment blood taking needle of the present invention inserts the state diagram not in place that can not load in the way of tail pull rod.
In the figures above: 1. pen caps；2. cap seat；3. penetrating bar；4. unloading needle reset spring；5. examining bolt；6. unloading shank；7. hair
Penetrate button；8. shell；9. adjusting inner sleeve；10. emitting spring；11. adjusting ring；12. penetrating bar reset spring；13. handle return
Spring；14. inner sleeve；15. tail is shaken hands；16. blood taking needle；17. needle stand；18. buckle；19. grab；20. the first abutment face；21.
Second abutment face；22. abutment surface；23. fixed confined planes；24. elastic arm；25. boss；26. passive inclined-plane；27. lock slots；
28. active inclined-plane；29. rear end limits.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment: a kind of to can confirm that the blood collecting pen of blood taking needle dress needle in place
As illustrated in figs. 1-16, which is the blood collecting pen that a kind of paracentesis depth postposition is adjusted, by pen cap 1, cap seat 2, penetrate bar 3,
Needle reset spring 4 is unloaded, bolt 5 is examined, unloads shank 6, firing button 7, shell 8, adjusts inner sleeve 9, transmitting spring 10, adjusting ring
11, bar reset spring 12, handle return springs 13, inner sleeve 14,15 composition (see figure 1) of tail knob are penetrated.
The pen cap 1 is the telescopic nut cap on blood collecting pen head, and 1 front end of pen cap, which is equipped with, to be used to contact human blood collection position
Blood sample-taking end face.The cap seat 2 is the pedestal (see Fig. 2, Fig. 3 and Fig. 4) that blood collecting pen front is used to connect cooperation with pen cap 1, pen cap 1
It is cooperatively connected with cap seat 2 by connectivity port.It is described to penetrate the emission element (see Fig. 7-13) that bar 3 is blood collecting pen, penetrate the head of bar 3
Equipped with the needle stand 17 for being used to insert disposable blood taking needle 16.The shank 6 that unloads is used to unload needle (see Figure 14) after use, and it is multiple to unload needle
Position spring 4 is to act on to unload the spring that shank 6 resets it after unloading needle.Shell 8 and cap seat 2 are fixedly connected to form shell.Institute
The pen body that shell is blood collecting pen is stated, ejection chamber is equipped in shell, penetrates bar 3 and be placed in the ejection chamber.Firing button 7 is mounted on outer
On shell 8, firing button 7 is directly provided with buckle 18(Figure 16), buckle 18 penetrates bar 3 for locking of loading.Transmitting spring 10 acts on
Penetrate the dynamical element that bar 3 is punctured as blood collecting pen shooting.It penetrates bar reset spring 12 and acts on and penetrate bar 3 and be used to force to penetrate bar 3 and penetrating
It automatically resets after breakdown thorn.Inner sleeve 14 and tail knob 15 is fixedly attached, and is loaded and is unloaded needle for penetrating bar 3 (needle is unloaded in push
Bar 6 unloads needle).Handle return springs 13 act on tail knob 15 and are used to reset.It adjusts inner sleeve 9 and adjusting ring 11 and penetrates bar 3
Cooperatively form paracentesis depth postposition adjustment structure (see Chinese patent CN107854129A).
Innovation of the invention is in blood collecting pen that design has and is able to confirm that whether blood taking needle fills the structure of needle in place.In specific
Hold as follows:
Fig. 5, Fig. 6 and Figure 17 are seen for managing the inspection bolt 5(of dress needle in place equipped with one penetrating between bar 3 and cap seat 2), examine bolt
5 penetrate on bar 3 for a structural member and being located in (see Figure 11, Figure 12 and Figure 17), and connect with bar 3 is penetrated in blood collecting pen axis upward sliding
Connect, penetrate the corresponding inspection bolt 5 of bar 3 equipped with rear end limit 29(and see Figure 17), when inspection bolt 5 slide rearwardly to rear end limit on penetrating bar 3
When position 29, bolt 5 is examined to be in back-end location relative to bar 3 is penetrated.The corresponding inspection bolt 5 of bar 3 of penetrating is equipped with front end limit (in figure not
Mark), when forward slip limits inspection bolt 5 to front end on penetrating bar 3, bolt 5 is examined to be in front position relative to bar 3 is penetrated.
The inspection bolt 5 is equipped with grab 19 and the first abutment face 20(and sees Fig. 5, Fig. 6 and Figure 17), wherein grab 19 is
The position and path setting of coupler body and the corresponding buckle 18, grab 19 and buckle 18 cooperatively form locking structure.First against
Face 20 is the contact surface for receiving the touching of blood taking needle 16 when filling needle, and the effect end of the first abutment face 20 is located at the needle
(see Figure 17) on seat 17.
The seat orlop portion of the needle stand 17 is equipped with the second abutment face 21(and sees Fig. 7 and Figure 17), which is another
One receives the contact surface of the touching of blood taking needle 16 when filling needle (see Figure 17).
It is described to penetrate bar 3 and see Figure 10 and Figure 17 equipped with abutment surface 22(), which faces rear and is used to limit to penetrate
The distance that bar 3 moves backward.The corresponding abutment surface 22 is equipped with fixed confined planes 23(on cap seat 2 and sees Fig. 3, Fig. 4 and Figure 17), it should
Fixed confined planes 23 face front, and are located on the path that abutment surface 22 moves backward.
Before blood collecting pen dress needle under state, axially it is reference with blood collecting pen, meets following equation (see Figure 17):
Δ S=S1-S2；
In formula:
Δ S is the distance between the first abutment face 20 and the second abutment face 21；
S1 is buckle the distance between 18 and grab 19；
S2 is fixed the distance between confined planes 23 and abutment surface 22.
The inspection bolt 5 relative to when penetrating bar 3 and being in back-end location, taking a blood sample with the second abutment face 21 by the first abutment face 20
In the axial direction of pen concordant (see Figure 17).
The tail portion for examining bolt 5, which extends back, sees Fig. 5 and Fig. 6 equipped with elastic arm 24(), the end two sides of elastic arm 24
Fig. 5 and Fig. 6 are seen equipped with boss 25(), the passive inclined-plane 26(that the end of elastic arm 24 is equipped with below backward-facing is shown in Fig. 5 and Fig. 6).
It is described penetrate on bar 3 to correspond to the boss 25 and be equipped with lock slots 27(see Fig. 8 and Fig. 9), when examine bolt 5 relative to penetrating
When bar 3 slides backwards on the back-end location, boss 25 is fallen into lock slots 27, is forced and is examined bolt 5 relative to penetrating 3 positioning lock of bar
It is fixed.
The tail portion for unloading shank 6 corresponds to 2 8(of active inclined-plane that passive inclined-plane 26 is equipped in front of up and sees Figure 14),
Needle is unloaded simultaneously when unloading shank 6 and travelling forward, and active inclined-plane 28 acts on passive inclined-plane 26, and forces and examine 5 tail portion elastic arm of bolt
24 ends tilt, and boss 25 is caused to be detached from lock slots 27, into unlocked state, and forward slip.
For the relative position being best understood from the present invention between each components and relationship, below with reference to use state pair
Blood collecting pen of the present invention is described:
1. structure of the invention and principle
Attached drawing 17 indicates the structure and schematic illustration of the present invention in the initial state.It can relatively clearer and letter section from Figure 17
Relative position and the relationship found out between key components and parts of the present invention.In figure, the arrow on blood taking needle 16 is indicated blood taking needle
Movement in 16 inserting needle stands 17.The four-headed arrow in bolt 5 is examined to indicate the signal for examining bolt 5 that can slide on penetrating bar 3.Gu
What fixed limit plane 23 and " parallel diagonal lines " of the lower section of firing button 7 indicated be shell (in the present embodiment, can be cap seat 2 or
Shell 8).
2. initial assembled state
Attached drawing 18 indicates the initial assembly state diagram of blood collecting pen embodiment of the present invention.Between components each under initial assembled state
Relative position and relationship can be as seen from Figure 18.For example, the first abutment face 20 of bolt 5 is examined to support with the second of 17 bottom of needle stand
It is 2mm by the distance between face 21 Δ S.But the present invention is not limited to this.The end for examining 5 tail portion elastic arm 24 of bolt, first
The step that bar 3 is penetrated under beginning state, which squeezes, keeps tilting state.
3. filling needle-shaped state
Attached drawing 19 indicates that blood collecting pen embodiment of the present invention is packed into blood taking needle state diagram.In the case where filling needle-shaped state, between each components
Relative position and relationship can be as seen from Figure 19.Blood taking needle 16 is filled into the needle stand 17 on incident bar 3,16 tail end face of blood taking needle
It is contacted with the first abutment face 20 on bolt 9 is examined, and the second abutment face of 16 tail end face of blood taking needle and 17 bottom of needle stand at this time
Not in contact with (having gap) between 21, expression is not inserted also in place.
4. continuing to fill needle-shaped state
The blood collecting pen embodiment of the present invention that attached drawing 20 indicates continues to be packed into blood taking needle state diagram.In the case where continuing to fill needle-shaped state, each zero
Relative position and relationship between part can be as seen from Figure 20.From figure can, continue into blood taking needle 16, blood taking needle 16
Tail end face, which pushes, examines bolt 5 to move right, until flushing with 17 bottom plane of needle stand (the second abutment face 21), examines at bolt 5
In normal condition.During examining bolt 5 to move to right, examines and locked in the middle part of the sliding incident bar 3 of 5 tail portion elastic arm of bolt, 24 two sides boss 25
Determine in slot 27, makes that the opposite bar 3 of penetrating of bolt 5 is examined to fix.
The state 5. contact pin loads
Attached drawing 21 indicates that blood collecting pen embodiment contact pin of the present invention loads state diagram.In this case, opposite between each components
Position and relationship can be as seen from Figure 21.Blood taking needle 16 is continued into, the grab 19 at 5 top of bolt is examined to cross firing button 7
18 locking of bottom bevel and bottom buckle, successfully loads.At this point, penetrating the abutment surface 22(guide rail groove end face of 3 bottom of bar) by cap
The fixation confined planes 23(block of 2 bottoms of seat) it blocks, cause to penetrate bar 3 to move backward again.
6. blood taking needle inserts the state not in place that can not load in the way of contact pin
Attached drawing 22 indicates that blood collecting pen embodiment blood taking needle of the present invention inserts the state diagram not in place that can not load in the way of contact pin.?
Under this state, the relative position between each components and relationship can be as seen from Figure 22.If in the mistake of inserting blood taking needle 16
Cheng Zhong has alternate position spike between the first abutment face 20 and the second abutment face 21, and without concordant, expression blood taking needle 16 is in needle stand 17
It does not insert in place.Hereafter when continuing contact pin, the abutment surface 22 due to penetrating 3 bottom of bar at this time is limited by the fixed of 2 bottom of cap seat
Plane 23 blocks, and penetrating bar 3 can not move right again, and examining bolt 5 not enter normal condition, (i.e. the first of inspection 5 front end of bolt is supported
By the second abutment face 21 of face 20 and 17 bottom of needle stand not in same plane) under, lead to grab 19 and the transmitting of examining 5 top of bolt
The buckle 18 of 7 bottom of button generates alternate position spike, cannot lock and load.
7. blood needle inserts the state not in place that can not load in the way of tail pull rod
Attached drawing 23 indicates that blood collecting pen embodiment blood taking needle of the present invention inserts the state diagram not in place that can not load in the way of tail pull rod.
In this case, the relative position between each components and relationship can be as seen from Figure 23.If in inserting blood taking needle 16
In the process, there is alternate position spike between the first abutment face 20 and the second abutment face 21, without concordant, expression blood taking needle 16 is in needle stand 17
In without inserting in place.Tail knob 15 is pulled at this time, penetrates the abutment surface 22 of 3 bottom of bar by the fixation confined planes 23 of 2 bottom of cap seat
It blocks, penetrating bar 3 can not move right again, (examine the first abutment face 20 of 5 front end of bolt examining bolt 5 not enter normal condition
With the second abutment face 21 of 17 bottom of needle stand not in same plane) under, lead to the grab 19 and firing button 7 of examining 5 top of bolt
The buckle 18 of bottom generates alternate position spike, can not lock and load.
Cause in postposition adjust paracentesis depth state, press button state, penetrate bar and blood taking needle emission state, penetrate bar reset shape
State, removal blood taking needle state and restPose etc. due to being not directly relevant to substantive content of the present invention, herein not by
One description.
For above-described embodiment, the issuable variation of the present invention is described as follows:
1. in above embodiments, buckle 18 is fixed at 7 bottom of firing button.The present invention is not limited to this, as long as transmitting is pressed
Button 7 and buckle 18, which are drivingly connected, can meet needs of the invention.Drive connection refers to that pressing firing button 7 can drive card
A kind of connection relationship of 18 unlock of button.Usually there are two types of types of attachment for drive connection, one is firing button and snap connection into
One, is integrated connection relationship；Another kind is that firing button passes through a kind of intermediary agency and snaps connection, and pressing firing button can
To drive buckle unlock by intermediary agency.
2. in above embodiments, cap seat 2 and shell 8 are the materializations of " shell " in the present invention.But the present invention is not limited to
This, " shell " refers to the opposite general name for penetrating fixation (static) component for the movable parts such as bar, this is art technology
What personnel knew.
3. in above embodiments, the inspection bolt 5 is relative to when penetrating bar 3 and being in back-end location, the first abutment face 20 and
Two abutment faces 21 in the axial direction of blood collecting pen concordant (see Figure 17).Not limited to this, " concordant " in above embodiments of the invention
It is readily modified as " misplacing ".
4. above embodiments be by paracentesis depth postposition adjust blood collecting pen for come illustrate the principle of the present invention, structure and
Effect.The present invention is not limited to this, is readily applicable to the blood collecting pen that preposition head impact is adjusted, even paracentesis depth can not
The blood collecting pen of tune, this be skilled artisans appreciate that.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of can confirm that the blood collecting pen of blood taking needle dress needle in place, including penetrate bar (3) and shell；
Described to penetrate the emission element that bar (3) are blood collecting pen, the head for penetrating bar (3), which is equipped with, to be used to insert disposable blood taking needle (16)
Needle stand (17)；
The shell is the pen body of blood collecting pen, is equipped with ejection chamber in shell, penetrates bar (3) and be placed in the ejection chamber；It is set on shell
There is firing button (7) and penetrate the buckle (18) of bar (3) for locking of loading, firing button (7) and buckle (18) are drivingly connected；
It is characterized by: being equipped with one penetrating between bar (3) and shell for managing the inspection bolt (5) of dress needle in place, examine bolt (5)
It penetrates on bar (3) for a structural member and being located in, and is slidably connected in blood collecting pen axial direction with bar (3) is penetrated, penetrate that bar (3) is corresponding to be examined
Bolt (5) is equipped with rear end limit (29), when examining bolt (5) to slide rearwardly to rear end limit (29) on penetrating bar (3), examines bolt
(5) back-end location is in relative to penetrating bar (3)；
The inspection bolt (5) is equipped with grab (19) and the first abutment face (20), wherein grab (19) is described in coupler body and correspondence
Position and the path setting of (18) are buckled, grab (19) and buckle (18) cooperatively form locking structure；First abutment face (20) is
One is used to receive the contact surface of blood taking needle (16) touching when filling needle, and the effect end of the first abutment face (20) is located at the needle stand
(17) on；
The seat orlop portion of the needle stand (17) is equipped with the second abutment face (21), which is another when filling needle
For receiving the contact surface of blood taking needle (16) touching；
Equipped with abutment surface (22), which faces rear and is used to limit and penetrate bar (3) and move backward for described penetrate bar (3)
Distance；The corresponding abutment surface (22) is equipped with fixed confined planes (23) on shell, which faces front, and
And it is located on the path that abutment surface (22) move backward；
Before blood collecting pen dress needle under state, axially it is reference with blood collecting pen, meets following equation:
Δ S=S1-S2；
In formula:
Δ S is the distance between the first abutment face (20) and the second abutment face (21)；
S1 is buckle the distance between (18) and grab (19)；
S2 is fixed the distance between confined planes (23) and abutment surface (22).
2. blood collecting pen according to claim 1, it is characterised in that: the inspection bolt (5) is in rear end relative to bar (3) is penetrated
When position, the first abutment face (20) and the second abutment face (21) are concordant in the axial direction of blood collecting pen.
3. blood collecting pen according to claim 1, it is characterised in that: the inspection bolt (5) is in rear end relative to bar (3) is penetrated
When position, the first abutment face (20) misplaces in the axial direction of blood collecting pen with the second abutment face (21).
4. blood collecting pen according to claim 1, it is characterised in that: described to penetrate bar (3) corresponding inspection bolt (5) equipped with front end limit
Bolt (5) are examined to be in front end relative to bar (3) is penetrated when forward slip is limited to front end on penetrating bar (3) for inspection bolt (5) in position
Position.
5. blood collecting pen according to claim 1, it is characterised in that: the tail portion for examining bolt (5) extends back equipped with bullet
Property arm (24), the end two sides of elastic arm (24) are equipped with boss (25), and the end of elastic arm (24) is equipped with the quilt below backward-facing
Dynamic inclined-plane (26)；
It is described penetrate on bar (3) correspond to the boss (25) be equipped with lock slots (27), when examine bolt (5) relative to penetrate bar (3) to
After when sliding into the back-end location, boss (25) is fallen into lock slots (27), is forced and is examined bolt (5) fixed relative to bar (3) are penetrated
Position locking；
The blood collecting pen includes unloading shank (6), and the tail portion for unloading shank (6) corresponds to passive inclined-plane (26) and is equipped in front of up
Active inclined-plane (28) unloads needle simultaneously when unloading shank (6) and travelling forward, and active inclined-plane (28) act on passive inclined-plane (26), and compel
Make that bolt (5) tail portion elastic arm (24) end is examined to tilt, boss (25) is caused to be detached from lock slots (27), into unlocked state, and
Forward slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492948.1A CN108937964B (en) | 2018-05-22 | 2018-05-22 | It is a kind of to can confirm that the blood collecting pen of blood taking needle dress needle in place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492948.1A CN108937964B (en) | 2018-05-22 | 2018-05-22 | It is a kind of to can confirm that the blood collecting pen of blood taking needle dress needle in place |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108937964A true CN108937964A (en) | 2018-12-07 |
| CN108937964B CN108937964B (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810492948.1A Active CN108937964B (en) | 2018-05-22 | 2018-05-22 | It is a kind of to can confirm that the blood collecting pen of blood taking needle dress needle in place |
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| CN (1) | CN108937964B (en) |
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| US20080015425A1 (en) * | 1996-05-17 | 2008-01-17 | Roche Diagnostics Operations, Inc. | Methods and apparatus for sampling and analyzing body fluid |
| US20110202080A1 (en) * | 2007-08-14 | 2011-08-18 | Owen Mumford Limited | Lancing devices |
| CN102379705A (en) * | 2011-11-09 | 2012-03-21 | 苏州施莱医疗器械有限公司 | Safety blood sampling pen |
| CN104644182A (en) * | 2015-02-26 | 2015-05-27 | 王振民 | Disposable lower triggering type safety hemostix with quick assembly function |
| CN106308818A (en) * | 2015-07-02 | 2017-01-11 | 建舜生物科技股份有限公司 | High-speed blood sampling pen with needle withdrawing device |
| CN107625526A (en) * | 2017-10-23 | 2018-01-26 | 苏州施莱医疗器械有限公司 | A kind of blood collecting pen for preventing maloperation from unloading pin |
| CN107638180A (en) * | 2017-10-23 | 2018-01-30 | 苏州施莱医疗器械有限公司 | A kind of blood collecting pen for loading and unloading pin using tail handle |
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2018
- 2018-05-22 CN CN201810492948.1A patent/CN108937964B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080015425A1 (en) * | 1996-05-17 | 2008-01-17 | Roche Diagnostics Operations, Inc. | Methods and apparatus for sampling and analyzing body fluid |
| US20110202080A1 (en) * | 2007-08-14 | 2011-08-18 | Owen Mumford Limited | Lancing devices |
| CN102379705A (en) * | 2011-11-09 | 2012-03-21 | 苏州施莱医疗器械有限公司 | Safety blood sampling pen |
| CN104644182A (en) * | 2015-02-26 | 2015-05-27 | 王振民 | Disposable lower triggering type safety hemostix with quick assembly function |
| CN106308818A (en) * | 2015-07-02 | 2017-01-11 | 建舜生物科技股份有限公司 | High-speed blood sampling pen with needle withdrawing device |
| CN107625526A (en) * | 2017-10-23 | 2018-01-26 | 苏州施莱医疗器械有限公司 | A kind of blood collecting pen for preventing maloperation from unloading pin |
| CN107638180A (en) * | 2017-10-23 | 2018-01-30 | 苏州施莱医疗器械有限公司 | A kind of blood collecting pen for loading and unloading pin using tail handle |
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| Publication number | Publication date |
|---|---|
| CN108937964B (en) | 2019-11-05 |
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