CN109512437A - Exempt to unload cap handling pin type blood collecting pen - Google Patents
Exempt to unload cap handling pin type blood collecting pen Download PDFInfo
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- CN109512437A CN109512437A CN201811548142.6A CN201811548142A CN109512437A CN 109512437 A CN109512437 A CN 109512437A CN 201811548142 A CN201811548142 A CN 201811548142A CN 109512437 A CN109512437 A CN 109512437A
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- bar
- penetrate
- needle
- penetrated
- blood collecting
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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
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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
-
- 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
- A61B5/150267—Modular design or construction, i.e. subunits are assembled separately before being joined together or the device comprises interchangeable or detachable modules
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- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
One kind exempting to unload cap handling pin type blood collecting pen, including penetrates bar, unloads shank and shell, it is characterised in that: penetrate bar by preceding penetrate bar, connecting spring and after penetrate bar and connect and compose a kind of elongated degree formula and penetrate bar；The needle outlet of blood sampling anterior end of pen is designed to be able to the handling hole for allowing blood taking needle to travel through；After penetrate bar design a rear bar front limit structure, penetrated after making bar in travelling forward have a limit distance；Before penetrate bar design a front bar front limit structure, penetrated before making bar in travelling forward have a limit distance；In the case where unloading needle-shaped state, the limit distance for preceding penetrating bar is designed to penetrate the limit distance of bar after being greater than.Feature of the present invention is handling blood taking needle without removal pen cap, fills needle process compared with original blood collecting pen and is reduced to a step by four original steps, unloads needle process by three original steps and be reduced to a step.This programme thoroughly solves the problems, such as to need repeated disassembled and assembled pen cap in original blood collecting pen use, enormously simplifies operating procedure, bring great convenience to using.
Description
Technical field
The present invention relates to medical blood taking instrument, in particular to a kind of and disposable blood taking needle is matching used to exempt to unload cap handling
Pin type blood collecting pen.The blood collecting pen does not need removal pen cap in use, can directly load and unload disposable blood taking needle from written front end,
It brings great convenience to using.
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 be also evolving, so that blood collecting pen is become easy to use in blood collecting pen technical field at present is art technology
One of the hot spot that personnel pay close attention to always.
Chinese patent CN201510290U on 06 23rd, 2010 bulletin authorize one application No. is
200920313374.3 the utility model patent of entitled " a kind of blood collecting pen capable of automatic withdrawing of needle ".The patent is mainly by pen cap, pen
The composition such as bar, trigger mechanism, pen cap are assemblied in penholder, blood taking needle trigger mechanism are provided in penholder.In blood collecting pen field, specially
Door design has dismountable pen cap, is the representative typical structure of this kind of blood collecting pen to load and unload disposable blood taking needle.It is logical
In normal situation, the use operating procedure of this kind of blood collecting pen is as follows: the first step dismantles pen cap；Second step inserts disposable blood taking needle
Onto the needle stand of penholder front end；Pen cap is installed on penholder by third step again；4th step loads blood taking needle；The alignment of 5th step is adopted
Blood position push button emits blood taking needle puncture blood collecting；6th step dismantles pen cap again；7th step lays down disposable blood taking needle；The
Eight steps refill pen cap on penholder.It can see that the use operation of this kind of blood collecting pen has following two from the above operating procedure
Feature: first is that operating procedure is more, movement is more, operates loaded down with trivial details；Second is that needing repeated disassembled and assembled pen cap in use.Its reason is analyzed, it is main
If using loading and unloading type pen cap structure in the structure design of blood collecting pen.And use loading and unloading type pen cap structure exactly for the ease of
Disposable blood taking needle is replaced, embodiment blood collecting pen is reusable, and the requirement that blood taking needle is disposable.Therefore, for a long time
Blood collecting pen product in blood collecting pen field with loading and unloading type pen cap structure almost occupies monopoly position.
With the development of blood sampling pen technology, technical staff has appreciated that the blood collecting pen of existing loading and unloading type pen cap structure is using
Upper operating procedure is more, makes troubles to using.But it is also difficult to make a breakthrough in the structure design of blood collecting pen for a long time.For
How this, design a kind of skill that can exempt and load and unload that blood collecting pen of the pen cap without influencing handling blood taking needle is always this field repeatedly
Art problem.
Summary of the invention
The present invention provides one kind and exempts to unload cap handling pin type blood collecting pen, and its purpose is to solve existing band loading and unloading type pen cap structure
More, the inconvenient for use problem of blood collecting pen operating procedure.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: one kind exempting to unload cap handling pin type blood collecting pen, including penetrates
Bar unloads shank 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 shank that unloads is that blood collecting pen unloads needle part, unloads shank and is equipped with and unload needle acting surface, this unloads needle acting surface and be used to
Shirk the blood taking needle being mounted on the needle stand.
The shell is connected and composed by nib and two body of pen body or integrally connected is constituted, and ejection is equipped in nib and pen body
Chamber is penetrated bar and is placed in the ejection chamber, penetrates between bar and shell and is equipped with for loading and locking the latching structure for penetrating bar；Unload needle
Bar is slidably disposed on shell, wherein unloading needle acting surface is located at needle stand rear portion and in penetrating on the sliding path of bar.
Its innovation is: it is described penetrate bar by preceding penetrate bar, after penetrate bar and connecting spring forms, preceding bar of penetrating penetrates bar described with after
Penetrate on rod axis direction and be slidably matched, connecting spring penetrated before being connected to bar and after penetrate between bar and act on the axis for penetrating bar
On direction.
The needle stand penetrates the head of bar before being located at, the corresponding needle stand the front end of the nib open up one can allow described in
The handling hole that blood taking needle travels through penetrates the needle stand of club head before handling hole face.
Bar is penetrated after described equipped with rear bar confined planes, the corresponding rear bar confined planes are equipped with rear bar blocking surface in pen body,
After penetrate in bar forward movement, after penetrate after the rear bar blocking surface in the rear bar confined planes on bar and pen body is engaged and prevents
It penetrates bar to travel forward, rear bar front limit structure is constituted with this.
Bar is penetrated before described equipped with front bar confined planes, the corresponding front bar confined planes shell or after penetrate on bar and be equipped with front bar and hinder
Block face, in preceding penetrating bar forward movement, the preceding front bar confined planes penetrated on bar and shell or after penetrate the front bar blocking surface on bar
It is engaged and penetrates bar before preventing and travel forward, front bar front limit structure is constituted with this.
In the case where unloading needle-shaped state, the distance of the front bar confined planes to front bar blocking surface is greater than the rear bar confined planes to rear bar
The distance of blocking surface.
Related content in above-mentioned technical proposal is explained as follows:
1. in above scheme, " front end " and the meaning of " preceding " refers to the pen tip direction or blood sampling of blood collecting pen in " forward "
The firing direction of needle.The meaning of " rear " refers to the tail direction or blood taking needle firing direction of blood collecting pen in " rear portion "
Opposite direction.
2. in above scheme, " axis direction " refers to the pen tip and tail of the axis direction and blood collecting pen of penetrating bar
Between line directions of rays, or be front-rear direction.
3. in above scheme, " shell " refers to the total of opposite fixation (static) component penetrated for the movable parts such as bar
Claim.In the present invention, " shell " is made of nib and pen body, and nib and pen body can be integral connecting structure, is also possible to two
Attachment structure.So-called two attachment structure refers to that nib can be removed and be loaded onto from pen body.In the prior art, it is adopted to load and unload
Blood needle nib must be removed and be loaded onto from pen body.
4. in above scheme, " preceding penetrate bar penetrate bar with after be slidably matched in described penetrate on rod axis direction " there are two types of feelings
Condition: the first is penetrated bar and penetrates bar with after before being directly is slidably matched, for example, before penetrate the rear portion of bar and penetrate the front of bar with after and be directly connected to
And it is slidably matched；Penetrate bar before being for second and penetrate bar with after and be slidably matched indirectly, for example, before penetrate bar and be slidably matched with a slideway, after penetrate
Bar is also slidably matched with the slideway, and bar is penetrated with after because penetrating bar before this constitutes opposite be slidably matched.
Design principle and technical concept of the present invention are: in order to solve the existing blood collecting pen operation step with loading and unloading type pen cap structure
Rapid problem more, inconvenient for use, the present invention mainly use following corrective measure:
First, by original integral type penetrate bar Curve guide impeller Cheng Youqian penetrate bar and after penetrate the split type of bar composition and penetrate bar, and
Before penetrate bar and after penetrate connecting spring be set between bar, with this solve original integral type penetrate bar in the axial direction and can not stretch it is elongated
The problem of, it forms the new elongated degree formula of one kind and penetrates bar design.
Second, by the needle outlet Curve guide impeller of original written front end at the handling hole that blood taking needle can be allowed to travel through, with
This solves the problems, such as that the cap of exempting to unload of blood sampling anterior end of pen installation blood taking needle is walked.
Third penetrates bar for after and designs a rear bar front limit structure, and bar is penetrated after making has a limit in travelling forward
Position distance.
4th, a front bar front limit structure is designed for bar is preceding penetrated, bar is penetrated before making has a limit in travelling forward
Position distance.
5th, in the case where unloading needle-shaped state, the limit distance for preceding penetrating bar is designed to penetrate the limit distance of bar after being greater than, is solved with this
The needle stand that certainly original blood collecting pen penetrates club head can not send blood taking needle in the case where unloading needle-shaped state to the problem near the needle outlet of front end.
Based on the above design feature, blood taking needle can be directly inserted into needle from the handling hole of blood sampling anterior end of pen by the present invention
On seat, blood taking needle is installed without cap is unloaded.After blood collecting pen use, carries out exempting to unload cap according to following procedure and unload needle: referring to attached drawing 16
Shown, i.e., in the case where unloading needle-shaped state, the needle acting surface that unloads for unloading shank contradicts blood taking needle；It is penetrated before being driven when unloading shank and moving forward
Bar, after penetrate bar and blood taking needle integrally moves forward；When after penetrate bar rear bar confined planes and pen body on rear bar stop face contact
When cooperation, after penetrate bar and be limited and stop travelling forward, unload that shank continues to penetrate bar before driving and blood taking needle moves forward at this time；When
Before penetrate bar front bar confined planes and shell or after penetrate on bar front bar blocking surface when being engaged, it is preceding penetrate bar be limited and stop to
Preceding movement；It forces blood taking needle to be detached from needle stand and stretch out from handling hole when unloading shank and moving forward at this time, then plugs needle cap
And it takes out or deviates from.
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 devises a kind of blood collecting pen that can exempt repeatedly handling pen cap without influencing handling blood taking needle, solves original
Having the blood collecting pen of loading and unloading type pen cap structure, operating procedure is more in use, to using the problem of making troubles.Overcome this field
For a long time in the technical problem of blood collecting pen structure design aspect, substantive breakthroughs are achieved to the improvement of blood taking needle.
2. the present invention, compared with original blood collecting pen, dress needle process is contracted by original four steps (scape technical description of passing away)
Reduce to a present step.Unload the step of needle process till now by original three steps reduction.Thoroughly solves original
There is the problem of needing repeated disassembled and assembled pen cap in blood collecting pen use, enormously simplify operating procedure, brings great side to using
Just.The monopoly position for a long time with loading and unloading type pen cap structure in blood collecting pen field is broken.
3. technical solution of the present invention design rationally, be skillfully constructed, especially elongated degree formula penetrate bar design have it is outstanding
Substantive distinguishing features and significant progressive, to solve the problems, such as that the present invention has made substantive contribution.
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 of the present invention first view stereo figure；
Attached drawing 3 is blood collecting pen embodiment cap seat of the present invention second view stereo figure；
Attached drawing 4 is that blood collecting pen embodiment of the present invention penetrates bar the first view stereo exploded view；
Attached drawing 5 is that blood collecting pen embodiment of the present invention penetrates bar the second view stereo exploded view；
Attached drawing 6 is that blood collecting pen embodiment of the present invention penetrates bar assembling front view；
Attached drawing 7 is that blood collecting pen embodiment of the present invention penetrates bar assembling plan view；
Attached drawing 8 is that blood collecting pen embodiment of the present invention penetrates bar assembling stereogram；
Attached drawing 9 is that blood collecting pen embodiment of the present invention unloads shank the first view stereo figure；
Attached drawing 10 is that blood collecting pen embodiment of the present invention unloads shank the second view stereo figure；
Attached drawing 11 is blood collecting pen embodiment pogo barrel of the present invention first view stereo figure；
Attached drawing 12 is blood collecting pen embodiment pogo barrel of the present invention second view stereo figure；
Attached drawing 13 is blood collecting pen embodiment adjusting ring perspective view of the present invention；
Attached drawing 14 is blood collecting pen embodiment inner sleeve perspective view of the present invention；
Attached drawing 15 is blood collecting pen embodiment tail of the present invention knob perspective view；
Attached drawing 16 is blood collecting pen embodiment schematic diagram (one) of the present invention；
Attached drawing 17 is blood collecting pen embodiment schematic diagram (two) of the present invention；
Attached drawing 18 is the front end view that blood collecting pen embodiment of the present invention indicates A-A section view direction；
Attached drawing 19 is the front end view that blood collecting pen embodiment of the present invention indicates B-B section view direction；
Attached drawing 20 is the initial assembled state A-A cross-sectional view of blood collecting pen embodiment of the present invention；
Attached drawing 21 is the initial assembled state B-B cross-sectional view of blood collecting pen embodiment of the present invention；
Attached drawing 22 is that blood collecting pen embodiment of the present invention is packed into blood taking needle state diagram；
Attached drawing 23 is that blood collecting pen embodiment of the present invention continues to be packed into blood taking needle state diagram；
Attached drawing 24 is to enter to unload needle-shaped state A-A cross-sectional view after the completion of blood collecting pen embodiment of the present invention is taken a blood sample；
Attached drawing 25 is to enter to unload needle-shaped state B-B cross-sectional view after the completion of blood collecting pen embodiment of the present invention is taken a blood sample；
Attached drawing 26 is that blood collecting pen embodiment of the present invention unloads needle first step state A-A cross-sectional view；
Attached drawing 27 is that blood collecting pen embodiment of the present invention unloads needle first step state B-B cross-sectional view；
Attached drawing 28 is that blood collecting pen embodiment of the present invention unloads needle first step state stereoscopic schematic diagram；
Attached drawing 29 is that blood collecting pen embodiment of the present invention unloads needle second step state A-A cross-sectional view；
Attached drawing 30 is that blood collecting pen embodiment of the present invention unloads needle second step state B-B cross-sectional view；
Attached drawing 31 is that blood collecting pen embodiment of the present invention unloads needle second step state stereoscopic schematic diagram；
Attached drawing 32 is that blood collecting pen embodiment of the present invention unloads needle third step state A-A cross-sectional view；
Attached drawing 33 is that blood collecting pen embodiment of the present invention unloads needle third step state B-B cross-sectional view；
Attached drawing 34 is that blood collecting pen embodiment of the present invention unloads needle third step state stereoscopic schematic diagram；
Attached drawing 35 is that blood collecting pen embodiment of the present invention unloads needle completion schematic diagram；
Attached drawing 36 is that blood collecting pen embodiment of the present invention restores status diagram to be used.
In the figures above: 1. pen caps；2. cap seat；3. bar is penetrated before；4. bar is penetrated after；5. connecting spring；6. indicating ring；7. transmitting
Button；8. shell；9. penetrating bar reset spring；10. emitting spring；11. pogo barrel；12. unloading needle reset spring；13. unloading shank；
14. inner sleeve；15. tail is shaken hands；16. blood taking needle；17. adjusting ring；18. handle return springs；19. needle stand；20. bar card is penetrated before
Hook；21. bar grab is penetrated after；22. latch spring；23. unloading needle acting surface；24. front bar blocking surface；25. needle cap；26. handling hole；
27. load stopper；28. rear bar blocking surface；29. rear bar confined planes；30. lock face；31. first is slidably connected section；32. second
Be slidably connected section；33. front bar confined planes；34. load confined planes.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment: one kind is exempted to unload cap handling pin type blood collecting pen
As shown in figures 1-15, the blood collecting pen by pen cap 1, cap seat 2, penetrate bar, indicating ring 6, firing button 7, shell 8, penetrate bar reset
Spring 9, transmitting spring 10, pogo barrel 11 unload needle reset spring 12, unload shank 13, inner sleeve 14, tail knob 15, adjusting ring
17 and handle return springs 18 form (see figure 1).
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 (see figure 1).The cap seat 2 is the pedestal (see Fig. 2 and Fig. 3) that blood collecting pen front is used to connect cooperation with pen cap 1, pen
Cap 1 and cap seat 2 are cooperatively connected by connectivity port.It is described penetrate bar be blood collecting pen emission element (penetrate the specific structure of bar rear
Face detailed description), the head for penetrating bar is equipped with the needle stand 19(for being used to insert disposable blood taking needle 16 and sees Fig. 8).The indicating ring 6 is
For showing the current indication window penetrating bar and whether having loaded of blood collecting pen.Shell 8 is a part of shell, shell 8 and cap
Seat 2 is fixedly connected with pen body.And shell is connected and composed by nib and two body of pen body, wherein nib refers to 1 part of pen cap.Nib
With ejection chamber is equipped in pen body, penetrate bar and be placed in the ejection chamber, penetrate between bar and shell to be equipped with to be used to load and lock described penetrate
The latching structure of bar.The firing button 7 is mounted on shell 8, for emitting blood sampling.It penetrates bar reset spring 9 and acts on and penetrate bar
For force penetrate bar shooting puncture after automatically reset.Transmitting spring 10, which acts on, penetrates what bar was punctured as blood collecting pen shooting
Dynamical element.The pogo barrel 11 is tubular element (see Figure 11 and Figure 12), is used to cooperate with adjusting ring 17 and realizes that puncture is deep
Degree is adjusted.Adjusting ring 17 is the paracentesis depth regulating member on blood collecting pen (see Figure 13).The shank 13 that unloads is unloading for blood collecting pen
Needle part unloads shank 13 and is equipped with and unloads needle acting surface 23(and see Fig. 9 and Figure 10), this unloads needle acting surface 23 and is used to shirk to be mounted on institute
State the blood taking needle 16 on needle stand 19.It unloads shank 13 to be slidably disposed on shell, wherein unloading needle acting surface 23 is located at 19 rear portion of needle stand
And it is in and penetrates on the sliding path of bar.The needle reset spring 12 that unloads is to act on to unload the bullet that shank 13 resets it after unloading needle
Spring.Inner sleeve 14 and tail knob 15 are fixedly attached (see Figure 14 and Figure 15), are loaded and are unloaded needle for penetrating bar (shank 13 is unloaded in push
Unload needle).Handle return springs 18 act on tail knob 15 and are used to reset.Pogo barrel 11 and adjusting ring 17 are cooperatively formed with bar is penetrated
Paracentesis depth postposition adjustment structure (see Chinese patent CN107854129A).
Innovation of the invention is that blood collecting pen does not need removal pen cap in use, can directly load and unload one from written front end
Secondary property blood taking needle, the present embodiment schematic diagram shown in Figure 16 (one).In order to achieve this goal, change present invention employs following
Into measure:
First, by original integral type penetrate bar Curve guide impeller Cheng Youqian penetrate bar 3 and after penetrate that bar 4 forms it is split type penetrate bar, and
Preceding penetrate bar 3 and after penetrate between bar 4 setting connecting spring 5, original integral type is solved with this and penetrates bar in the axial direction without farad
Elongated problem is stretched, the new elongated degree formula of one kind is formed and penetrates bar design.Particular content is as follows:
It is described penetrate bar by preceding penetrate bar 3, after penetrate bar 4 and connecting spring 5 forms (see Fig. 4-Fig. 8), preceding bar 3 of penetrating penetrates bar 4 in institute with after
State to penetrate on rod axis direction and be slidably matched, connecting spring 5 penetrated before being connected to bar 3 and after penetrate between bar 4 and act on and described penetrate bar
Axis direction on.
The tail portion that bar 3 is penetrated before described is equipped with first and is slidably connected section 31, and first, which is slidably connected, penetrates bar card before section 31 is equipped with
Hook 20(is shown in Fig. 4-Fig. 8).The head that bar 4 is penetrated after described is equipped with second and is slidably connected section 32, and second section 32 that is slidably connected is equipped with
After penetrate bar grab 21(and see Fig. 4-Fig. 8).First section 31 that is slidably connected is slidably matched with second section 32 that is slidably connected, wherein after penetrate
Bar grab 21 relative to bar grab 20 is preceding penetrated positioned at the front for penetrating rod axis direction, penetrate after acting on by 5 front end of connecting spring
On bar grab 21,5 rear end of connecting spring is penetrated on bar grab 20 before acting on.In the assembled condition, 5 front end of the connecting spring top
It is penetrated after leaning against on bar grab 21,5 rear end of connecting spring is penetrated on bar grab 20 before acting against, and connecting spring 5 is in pressured state, is made
Before penetrate bar 3 penetrated with after bar 4 between the two penetrate rod axis direction be in it is incompressible, can only tensional state.
Second, by the needle outlet Curve guide impeller of original written front end at the handling hole 26 that blood taking needle can be allowed to travel through,
Solve the problems, such as that the cap of exempting to unload of blood sampling anterior end of pen installation blood taking needle is walked with this.Particular content is as follows:
The needle stand 19 penetrates the head of bar 3 before being located at, the corresponding needle stand 19, which opens up one in the front end of the nib, can allow institute
The handling hole 26 that blood taking needle 16 travels through is stated, the needle stand 19 on 3 head of bar is penetrated before 26 face of handling hole.The hole of the handling hole 26
Shape is special-shaped shape, and is matched with the cross sectional shape of blood taking needle 16 and size.The needle stand 19 guides mouth and rear portion by front
Fastening holder connect and compose, the rear of fastening holder is equipped with one for unloading needle acting surface 23 along the movement penetrating rod axis direction and sliding
Channel.
Third penetrates bar 4 for after and designs a rear bar front limit structure, and bar 4 is penetrated after making has one in travelling forward
Limit distance.Particular content is as follows:
Bar 4 is penetrated after described sees Fig. 4-Fig. 8 equipped with rear bar confined planes 29(), the corresponding rear bar confined planes 29 are in pogo barrel 11
(pen body) be equipped with rear bar blocking surface 28(see Figure 11 and Figure 12), penetrated after in 4 forward movement of bar, after penetrate on bar 4 after
Bar confined planes 29 and pogo barrel 11(pen body) on rear bar blocking surface 28 be engaged and penetrate bar 4 after preventing and travel forward, with
This constitutes rear bar front limit structure.
In the present embodiment, adjusting ring 17 and shell 8 are rotatablely connected, and pogo barrel 11 connect (phase with 17 spiral of adjusting ring
When in screw thread), while sliding axially and connecting with shell 8.When rotating adjusting ring 17,11 opposite shell 8 of pogo barrel is in axis
To sliding.As 11 opposite shell 8 of pogo barrel is sliding axially back and forth, the rear bar blocking surface 28 being located on pogo barrel 11
Sliding axially back and forth in shell 8 therewith, to change the position axial in shell 8 of rear bar blocking surface 28.Since rear bar hinders
Block face 28 8 axial position of shell change, when penetrating bar shooting after penetrate on the rear bar confined planes 29 on bar 4 and pogo barrel 11
Rear bar blocking surface 28 hit cooperation, directly affect paracentesis depth, be finally reached adjust paracentesis depth purpose.(see China
Patent CN107854129A).
4th, a front bar front limit structure is designed for bar 3 is preceding penetrated, bar 3 is penetrated before making has one in travelling forward
Limit distance.Particular content is as follows:
Bar 3 is penetrated before described sees Fig. 4-8, Figure 16 equipped with front bar confined planes 33(), the corresponding front bar confined planes 33 are in pen cap 1(shell
Body) inner front end face be equipped with front bar blocking surface 24(see Figure 20 and Figure 21), it is preceding to penetrate bar 3 in preceding penetrating 3 forward movement of bar
On front bar confined planes 33 and pen cap 1(shell) on front bar blocking surface 24 be engaged and penetrate bar 3 before preventing and travel forward, with
This constitutes front bar front limit structure.
In the present embodiment, bar 3 is penetrated before described sees Fig. 4, Fig. 6-8 equipped with latch spring 22(), the corresponding latch spring
22, which are equipped with lock face 30(on shell, sees Figure 16), latch spring 22 and the cooperation of lock face 30 constitute the latching structure.
In the present embodiment, bar 3 penetrated before described be equipped with the confined planes 34(that loads see Figure 16), the corresponding confined planes 34 that load
It is equipped with the stopper 27(that loads on shell and sees Figure 16), bar 3 is preceding being penetrated backward in motion process, the preceding limit of loading penetrated on bar 3
Face 34 and the stopper 27 that loads on shell are engaged and penetrate bar 3 before preventing and move backward, limit knot after being constituted front bar with this
Structure.Bar 3 is penetrated before described and moves may be caused by two kinds of situations backward, the first is to penetrate bar 3 before inserting blood taking needle 16 can cause
It moves backward, is for second to pull back to penetrate bar 3 before tail knob 15 can cause and move backward.
5th, in the case where unloading needle-shaped state, the limit distance for preceding penetrating bar 3 is designed to penetrate the limit distance of bar 4 after being greater than, with this
Solving the problems, such as, original blood collecting pen is penetrated the needle stand of club head and blood taking needle can not be sent to the needle outlet of front end in the case where unloading needle-shaped state.
Particular content is as follows:
In the case where unloading needle-shaped state, the distances of the front bar confined planes 33 to front bar blocking surface 24 is greater than the rear bar confined planes 29 to rear
The distance of bar blocking surface 28.
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. the structure and principle of the present embodiment
Figure 16 indicates that blood collecting pen embodiment of the present invention inserts the structure and schematic diagram of state after blood taking needle 16 from front end.From Figure 16
It can relatively clearer and letter section relative position and the relationship found out between key components and parts of the present invention.In figure, inserted from front end
Blood taking needle 16 can directly make to penetrate bar and load locking.
2. initial assembled state
Figure 20-21 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 find out that blood collecting pen is in state to be used at this time from Figure 20-21.Before penetrate bar 3 with after penetrate bar 4
Between connecting spring 5 be in pressured state, it is preceding penetrate bar 3 and penetrate bar 4 with after be in incompressible, Zhi Nengla penetrating rod axis direction
Stretch state.
3. filling needle-shaped state
Figure 22 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, the insertion of blood taking needle 16 is adopted
The handling hole 26 of blood anterior end of pen.
4. continuing to fill needle-shaped state
Figure 23 indicates that blood collecting pen embodiment of the present invention continues to be packed into blood taking needle state diagram.In the case where continuing to fill needle-shaped state, by blood taking needle
It is penetrated on the needle stand 19 on 3 head of bar before 16 insertions.It can directly make to penetrate bar from the process of front end inserting blood taking needle 16 to load locking, this
When before the cooperation of lock face 30 penetrated on the latch spring 22 on bar 3 and shell make to penetrate lock state at bar.But in secondary use
When, due to there is no to insert the process of blood taking needle 16, tail knob 15 can be pulled back and loaded locking to make to penetrate bar.
5. the state of blood sampling
Blood collecting pen is directed at blood sampling site, pressing firing button 7 completes blood sampling (not providing diagram).
6. entering after the completion of blood sampling and unloading needle-shaped state
Figure 24-25 indicates that blood collecting pen embodiment blood sampling of the present invention enters after the completion and unloads needle state diagram.In this case, each components
Between relative position and relationship can find out from Figure 24-25.In the case where unloading needle-shaped state, the needle acting surface 23 that unloads for unloading shank 13 is supported
Blood taking needle 16 is touched, and the fastening holder clamping that blood taking needle 16 is preceding penetrated 19 rear portion of needle stand on bar 3 is relatively fixed.
7. unloading needle first step state
Figure 26-28 indicates that blood collecting pen embodiment of the present invention unloads needle first step state diagram.In this case, the phase between each components
Position and relationship can be found out from Figure 26-28.The action process for unloading the needle first step is: in pressing tail knob 15(Figure 26-28
Arrow), 15 drive inner sleeve 14 of tail knob travels forward, and 14 front end of inner sleeve, which resists, unloads 13 tail end of shank (see Figure 26), promotes
It unloads shank 13 to be moved to the left, until the needle acting surface 23 that unloads unloaded on shank 13 resists 16 tail portion of blood taking needle (see Figure 26).When unloading needle
Penetrated before being driven when bar 13 continues to move along bar 3, after penetrate bar 4 and blood taking needle 16 is whole moves forward.When after penetrate the rear bar of bar 4
When rear bar blocking surface 28 on confined planes 29 and pogo barrel 11 is engaged, after penetrate bar 4 and be limited and stop travelling forward.
8. unloading needle second step state
Figure 29-31 indicates that blood collecting pen embodiment of the present invention unloads needle second step state diagram.In this case, the phase between each components
Position and relationship can be found out from Figure 29-31.The action process for unloading needle second step is: the rear bar limit of bar 4 is penetrated due to after
Face 29 is blocked by the rear bar blocking surface 28 on pogo barrel 11 (see Figure 30), can not be moved to the left, and blood taking needle 16 is preceding penetrated bar 3
On needle stand 19 clamp (see Figure 30).Continue to press the 15(arrow replacement of tail knob), it unloads shank 13 and continues to be moved to the left, unload shank
The needle acting surface 23 that unloads on 13 resists 16 tail end of blood taking needle, is moved to the left together, bar 3 is penetrated before causing penetrates bar 4 with after and separate (see figure
29), unload shank 13 at this time and continue to penetrate bar 3 and blood taking needle 16 before driving and move forward, until before penetrate the front bar confined planes 33 of bar 3 with
When front bar blocking surface 24 inside pen cap 1 is engaged, preceding bar 3 of penetrating is limited and stops travelling forward (see Figure 30).At this point, adopting
16 needle point of blood needle is completely exposed, and facilitates insertion needle cap 25.
9. unloading needle third step state
Figure 32-34 indicates that blood collecting pen embodiment of the present invention unloads needle third step state diagram.In this case, the phase between each components
Position and relationship can be found out from Figure 32-34.The action process for unloading needle third step is: continuing to press tail knob 15, force
16 tail portion of blood taking needle, which is penetrated in the past on 19 hook of needle stand of bar 3, deviates from (see Figure 33), and before penetrate bar 3 at this time is influenced by connecting spring 5, to
It moves right (see Figure 33), restores Nature Link state, blood taking needle 16 is no longer clamped by the needle stand 19 for preceding penetrating bar 3, and it is dynamic that needle is unloaded in completion
Make.
10. unloading needle completion status
Figure 35 indicates that blood collecting pen embodiment of the present invention unloads needle completion status figure.
11. restoring state to be used
Figure 36 indicates that blood collecting pen embodiment of the present invention restores state diagram to be used.
For above-described embodiment, the issuable variation of the present invention is described as follows:
1. in above embodiments, pen cap 1 and cap seat 2 are bi-body structure and are cooperatively connected by connectivity port, wherein 1 generation of pen cap
Test pencil head, cap seat 2 and shell 8 represent pen body.In other words, from shell from the point of view of the shell angle of blood collecting pen by nib and pen body two
Body connects and composes.The present invention is not limited to this, also designs pen cap 1 with cap seat 2 into a single integrated structure, i.e., pen cap 1 is non-dismountable.This
Be skilled addressee readily understands that.
2. in above embodiments, in the assembled condition, bar grab 21 is penetrated after acting against in 5 front end of connecting spring to blood collecting pen
On, 5 rear end of connecting spring is penetrated on bar grab 20 before acting against, and connecting spring 5 is in pressured state, and bar 3 is penetrated before making and penetrates bar 4 with after
Between the two penetrate rod axis direction be in it is incompressible, can only tensional state (see Figure 16).But the present invention is not limited to this, even
Connect spring 5 with before penetrate bar 3 and after penetrate the connection relationship of bar 4 and be readily modified as: 5 front end of connecting spring be located by connecting on before penetrate on bar 3,
5 rear alignment of connecting spring is penetrated on bar 4 after being connected to (see Figure 17).Under this connection relationship, preceding bar 3 of penetrating penetrates 4 liang of bar with after
Penetrating rod axis direction, there may be certain decrements between person, can also be incompressible, but are penetrating rod axis between the two
Direction can centainly stretch.
3. in above embodiments, front bar confined planes 33 are equipped on preceding penetrating bar 3, the corresponding front bar confined planes 33 are in pen cap 1
Inner front end face is equipped with front bar blocking surface 24, in preceding penetrating 3 forward movement of bar, front bar confined planes 33 and front bar blocking surface
24, which are engaged and penetrate bar 3 before preventing, travels forward, and is constituted front bar front limit structure with this.But the present invention is not limited to this,
It is penetrated on bar 4 after front bar blocking surface 24 being located at.This variation technical effect having the same for purposes of the invention, this is this
Field technical staff is readily comprehensible.
4. in above embodiments, the latch spring 22 penetrates bar 3 before being located at.But the present invention is not limited to this, can also incite somebody to action
The design of latch spring 22 is penetrated after on bar 4.This variation technical effect having the same for purposes of the invention, this is this field skill
Art personnel are readily comprehensible.
5. 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 (9)
1. one kind is exempted to unload cap handling pin type blood collecting pen, including penetrates bar, unloads shank (13) 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 (16)
(19)；
Described unload shank (13) are that blood collecting pen unloads needle part, unload shank (13) and are equipped with and unload needle acting surface (23), this unloads needle work
It is used to shirk the blood taking needle (16) being mounted on the needle stand (19) with face (23)；
The shell is connected and composed by nib and two body of pen body or integrally connected is constituted, and ejection chamber is equipped in nib and pen body,
It penetrates bar to be placed in the ejection chamber, penetrates between bar and shell and be equipped with for loading and locking the latching structure for penetrating bar；Unload shank
(13) it is slidably disposed on shell, wherein unloading needle acting surface (23) is located at needle stand (19) rear portion and in the sliding path for penetrating bar
On；
It is characterized by: it is described penetrate bar by preceding penetrate bar (3), after penetrate bar (4) and connecting spring (5) forms, preceding bar (3) of penetrating is penetrated with after
Bar (4) is slidably matched in described penetrate on rod axis direction, connecting spring (5) penetrated before being connected to bar (3) and after penetrate between bar (4) simultaneously
Act on described penetrate on the axis direction of bar；
The needle stand (19) penetrates the head of bar (3) before being located at, the corresponding needle stand (19) opens up an energy in the front end of the nib
The handling hole (26) for enough allowing the blood taking needle (16) to travel through penetrates the needle stand (19) on bar (3) head before handling hole (26) face；
Bar (4) are penetrated after described equipped with rear bar confined planes (29), the corresponding rear bar confined planes (29) are equipped with rear bar in pen body and hinder
Block face (28) is penetrated after in bar (4) forward movement, after penetrate the rear bar in the rear bar confined planes (29) on bar (4) and pen body
Blocking surface (28) is engaged and penetrates bar (4) after preventing and travels forward, and is constituted rear bar front limit structure with this；
Bar (3) are penetrated before described equipped with front bar confined planes (33), the corresponding front bar confined planes (33) shell or after penetrate on bar (4)
Equipped with front bar blocking surface (24), in preceding penetrating bar (3) forward movement, preceding front bar confined planes (33) and the shell penetrated on bar (3)
Body or after penetrate on bar (4) front bar blocking surface (24) be engaged and penetrate bar (3) before preventing and travel forward, before being constituted front bar with this
Position limiting structure；
In the case where unloading needle-shaped state, the distance of the front bar confined planes (33) to front bar blocking surface (24) is greater than the rear bar confined planes
(29) to the distance of rear bar blocking surface (28).
2. blood collecting pen according to claim 1, it is characterised in that: in the case where unloading needle-shaped state, that unloads shank (13) unloads needle effect
Face (23) contradicts blood taking needle (16)；When unload shank (13) move forward when drive before penetrate bar (3), after penetrate bar (4) and blood taking needle
(16) whole to move forward；When after penetrate the rear bar confined planes (29) of bar (4) and the rear bar blocking surface (28) in pen body is engaged
When, after penetrate bar (4) and be limited and stop travelling forward, unload shank (13) at this time and continue to penetrate bar (3) and blood taking needle (16) before driving
It moves forward；Currently penetrate the front bar confined planes (33) of bar (3) and shell or after penetrate on bar (4) front bar blocking surface (24) contact and match
When conjunction, preceding bar (3) of penetrating is limited and stops travelling forward；Blood taking needle is forced when unloading shank (13) and moving forward at this time
(16) needle stand (19) are detached from and are stretched out from the handling hole (26).
3. blood collecting pen according to claim 1, it is characterised in that: the tail portion for penetrating bar (3) before described is equipped with the first sliding and connects
It connects section (31), first, which is slidably connected, penetrates bar grab (20) before section (31) is equipped with；The head that bar (4) is penetrated after described is equipped with second and slides
Dynamic linkage section (32), second, which is slidably connected, penetrates bar grab (21) after section (32) is equipped with；First is slidably connected section (31) and second
The section that is slidably connected (32) is slidably matched, wherein after penetrate bar grab (21) relative to preceding penetrate bar grab (20) be located at penetrate rod axis side
To front, connecting spring (5) front end penetrates on bar grab (21) after acting on, and connecting spring (5) rear end is penetrated before acting on
On bar grab (20).
4. blood collecting pen according to claim 3, it is characterised in that: in the assembled condition, connecting spring (5) the front end top
Penetrated after leaning against on bar grab (21), connecting spring (5) rear end is penetrated on bar grab (20) before acting against, connecting spring (5) be in by
Pressure condition, penetrated before making bar (3) penetrated with after bar (4) between the two penetrate rod axis direction be in it is incompressible, can only tensional state.
5. blood collecting pen according to claim 1, it is characterised in that: connecting spring (5) front end is penetrated before being located by connecting on
On bar (3), connecting spring (5) rear alignment is penetrated on bar (4) after being connected to.
6. blood collecting pen according to claim 1, it is characterised in that: penetrated before described bar (3) or after penetrate bar (4) be equipped with locking
Elastic arm (22), the corresponding latch spring (22) are equipped with lock face (30) on shell, and latch spring (22) is matched with lock face (30)
It closes and constitutes the latching structure.
7. blood collecting pen according to claim 1, it is characterised in that: penetrated before described bar (3) be equipped with load confined planes (34),
The corresponding confined planes that load (34) are equipped on shell and load stopper (27), are preceding penetrating bar (3) backward in motion process, preceding to penetrate
Confined planes that load (34) on bar (3) and the stopper that loads (27) on shell are engaged and penetrate bar (3) before preventing and transport backward
It is dynamic, position limiting structure after front bar is constituted with this.
8. blood collecting pen according to claim 1, it is characterised in that: the hole shape of the handling hole (26) is special-shaped shape, and
It is matched with the cross sectional shape of blood taking needle (16) and size.
9. blood collecting pen according to claim 1, it is characterised in that: the needle stand (19) guides mouth and rear portion by front
Fastening holder connects and composes, and the rear of fastening holder is equipped with one and penetrates the movement slided in rod axis direction for unloading needle acting surface (23) edge
Channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548142.6A CN109512437B (en) | 2018-12-18 | 2018-12-18 | Needle type blood sampling pen without cap dismounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548142.6A CN109512437B (en) | 2018-12-18 | 2018-12-18 | Needle type blood sampling pen without cap dismounting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109512437A true CN109512437A (en) | 2019-03-26 |
| CN109512437B CN109512437B (en) | 2021-05-07 |
Family
ID=65795335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811548142.6A Active CN109512437B (en) | 2018-12-18 | 2018-12-18 | Needle type blood sampling pen without cap dismounting |
Country Status (1)
| Country | Link |
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| CN (1) | CN109512437B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141250A (en) * | 2019-05-28 | 2019-08-20 | 苏州施莱医疗器械有限公司 | It is a kind of to load and unload pin type blood collecting pen with the cap of exempting to unload for unloading needle protection |
| CN111214242A (en) * | 2019-05-12 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood sampling pen |
| CN111419241A (en) * | 2020-04-21 | 2020-07-17 | 苏州施莱医疗器械有限公司 | Blood sampling pen capable of preventing needle from being detached due to misoperation after loading |
| CN111419242A (en) * | 2020-04-21 | 2020-07-17 | 苏州施莱医疗器械有限公司 | Prevent that maloperation from unloading blood sampling pen of needle after loading |
| CN111419245A (en) * | 2020-03-17 | 2020-07-17 | 天津华鸿科技股份有限公司 | Blood sampling pen |
| CN112472080A (en) * | 2020-10-21 | 2021-03-12 | 苏州施莱医疗器械有限公司 | Blood sampling device with needle unloading pause and cap pricking convenience |
| CN115192016A (en) * | 2022-07-08 | 2022-10-18 | 苏州施莱医疗器械有限公司 | Intensive blood sampling pen |
| CN115192015A (en) * | 2022-07-08 | 2022-10-18 | 苏州施莱医疗器械有限公司 | Blood sampling pen with needle unloading rod automatic retraction function |
| CN115192016B (en) * | 2022-07-08 | 2024-11-08 | 苏州施莱医疗器械有限公司 | Intensive blood sampling pen |
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| US20040249406A1 (en) * | 2003-03-20 | 2004-12-09 | Griffin Carl E. | Lancing device with decoupled lancet |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111214242A (en) * | 2019-05-12 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood sampling pen |
| CN110141250A (en) * | 2019-05-28 | 2019-08-20 | 苏州施莱医疗器械有限公司 | It is a kind of to load and unload pin type blood collecting pen with the cap of exempting to unload for unloading needle protection |
| CN110141250B (en) * | 2019-05-28 | 2024-04-02 | 苏州施莱医疗器械有限公司 | Needle-type blood sampling pen without removing cap and with needle removing protection |
| CN111419245B (en) * | 2020-03-17 | 2023-12-05 | 天津华鸿科技股份有限公司 | Blood sampling pen |
| CN111419245A (en) * | 2020-03-17 | 2020-07-17 | 天津华鸿科技股份有限公司 | Blood sampling pen |
| CN111419242B (en) * | 2020-04-21 | 2021-10-08 | 苏州施莱医疗器械有限公司 | Prevent that maloperation from unloading blood sampling pen of needle after loading |
| CN111419241B (en) * | 2020-04-21 | 2021-11-16 | 苏州施莱医疗器械有限公司 | Blood sampling pen capable of preventing needle from being detached due to misoperation after loading |
| CN111419242A (en) * | 2020-04-21 | 2020-07-17 | 苏州施莱医疗器械有限公司 | Prevent that maloperation from unloading blood sampling pen of needle after loading |
| CN111419241A (en) * | 2020-04-21 | 2020-07-17 | 苏州施莱医疗器械有限公司 | Blood sampling pen capable of preventing needle from being detached due to misoperation after loading |
| CN112472080A (en) * | 2020-10-21 | 2021-03-12 | 苏州施莱医疗器械有限公司 | Blood sampling device with needle unloading pause and cap pricking convenience |
| CN112472080B (en) * | 2020-10-21 | 2022-11-22 | 苏州施莱医疗器械有限公司 | Blood sampling device with needle unloading pause and cap pricking convenience |
| CN115192016A (en) * | 2022-07-08 | 2022-10-18 | 苏州施莱医疗器械有限公司 | Intensive blood sampling pen |
| CN115192015A (en) * | 2022-07-08 | 2022-10-18 | 苏州施莱医疗器械有限公司 | Blood sampling pen with needle unloading rod automatic retraction function |
| CN115192016B (en) * | 2022-07-08 | 2024-11-08 | 苏州施莱医疗器械有限公司 | Intensive blood sampling pen |
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Address after: 215000 No.168 Putuoshan Road, high tech Zone, Suzhou City, Jiangsu Province Applicant after: STERILANCE MEDICAL (SUZHOU) Inc. Address before: River Road, Suzhou City, Jiangsu Province, Li Xiangcheng District No. 68 215133 Applicant before: STERILANCE MEDICAL (SUZHOU) Inc. |
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