CN102934997A - Blood sampling pen with multiple needle heads - Google Patents

Abstract

The invention aims to provide a blood sampling pen with multiple needle heads and solves the problems that in prior art, blood sampling needle heads are few, needle heads are frequently replaced, the operation is complicated, the work efficiency is low, and the like. The blood sampling pen with the multiple needle heads comprises a hollow pen body and a pen head which is connected to the lower end of the pen body, a telescopic drive rod is disposed in the pen body, a syringe is mounted below the drive rod, more than two pen refills are disposed in the pen head, and a blood sampling needled head is arranged in each pen refill. The blood sampling pen with the multiple needle heads has the advantages that the multiple blood sampling needle heads are arranged, blood sampling works of multiple times can be continuously completed, the operation is simple, the blood sampling is fast, and the improvement of the work efficiency is facilitated.

Description

A kind of spininess hair style blood collecting pen

Technical field

The present invention relates to a kind of blood-taking device, particularly a kind of spininess hair style blood collecting pen.

Background technology

Blood collecting pen is a kind of common blood sampling assistive device, is configured to blood taking needle, is mainly used in diabetics selftest blood glucose, also can be used for the clinical blood sampling of hospital's routine inspection.Blood collecting pen and blood glucose meter, blood glucose strip support the use, and suck blood (one) with strip after the blood sampling, then blood glucose numerical value occurs in blood glucose meter.The blood collecting pen of prior art, only have a disposable blood collection needles in the pen, all will again change syringe needle after each the use, in order to use next time, each change syringe needle and all need to dismantle the nib of front end, dismounting syringe needle, syringe needle is installed, a plurality of steps such as nib are installed, operate cumbersome.If need to be continuously multidigit patient blood sampling, the work efficiency of its blood collection procedure is very low, and repeated disassembled and assembled nib and syringe needle, also easily reduces the service life of blood collecting pen, even causes blood collecting pen to damage.

Summary of the invention

The object of the present invention is to provide a kind of spininess hair style blood collecting pen, the problems such as the blood collection needles that exists in the prior art is few to solve, the replacing syringe needle is too much, troublesome poeration, inefficiency.

For realizing above purpose, the present invention discloses following technical scheme:

A kind of spininess hair style blood collecting pen, comprise that the handwriting and of a hollow is connected to the nib of described handwriting lower end, described handwriting inside is provided with a telescopic drive rod, described drive rod below is provided with a syringe, be provided with plural pen core in the described nib, be provided with a blood collection needles in each pen core.

Between described drive rod and described syringe, be provided with an opening core bar, described opening core bar is a hollow cylinder, the medial wall of described opening core bar is provided with a ring baffle, the sidewall of the cavity of described ring baffle one side is provided with plural galianconism support, and the cavity of opposite side is provided with described syringe.

Described ring baffle forms a plate washer gear ring towards a side of described syringe, and described syringe forms a corresponding syringe gear ring towards a side of described ring baffle, and described plate washer gear ring and described syringe gear ring are engaged with each other.

The medial wall of described opening core bar is provided with for the fixing syringe baffle plate of syringe, described syringe comprises injection key and a described syringe base, be provided with the first spring that is enclosed within described injection key outside between described syringe base and the described syringe baffle plate, the lower end of described syringe is provided with an injection joint corresponding with described blood collection needles.

Described telescopic drive rod comprises gangbar, the depression bar cover that is enclosed within the pushing rod sleeve of described gangbar outside and is enclosed within described pushing rod sleeve outside, the upper end of described depression bar cover is fixed with one and presses hands, the upper end of described gangbar is fixed on described by on hand, the middle part of described depression bar cover lateral wall is provided with the outer shoulder of depression bar cover of an annular, the middle part of described depression bar cover medial wall is provided with the interior shoulder of depression bar cover of an annular, be provided with between described depression bar cover outer shoulder lower surface and the opening core bar and be enclosed within the second outside spring of described depression bar cover, the middle part of described depression bar cover medial wall is provided with the interior shoulder of depression bar cover of an annular, the upper end of described pushing rod sleeve is provided with one and is stuck in the flange on the shoulder in the described depression bar cover, described by hands lower surface and described flange upper surface between be provided with the 3rd spring that is enclosed within described gangbar outside.

Described handwriting upper end be fixed with one with the corresponding cap for brush of described handwriting, the lower surface of the described cap for brush is provided with a cap for brush gear ring, the below of the described cap for brush is provided with a location gear ring, described positioning tooth torus and described cap for brush gear ring are engaged with each other, and are provided with between the lower surface of described positioning tooth torus and the described handwriting sidewall to be enclosed within outside the 4th spring of described depression bar cover.

The medial wall of described depression bar cover is provided with muscle in one or more depression bar that is parallel to described depression bar cover central shaft, the outward flange of the flange of described pushing rod sleeve be provided with more than one with described depression bar in the corresponding flange groove of muscle.

Be provided with a columnar pen core swivel base that is connected with described depression bar cover in the described handwriting, described pen core swivel base is enclosed within the outside of described depression bar cover and described opening core bar.

The lateral wall of the outer shoulder of described depression bar cover is provided with one or more outer muscle of depression bar that is parallel to described depression bar cover central shaft, the sidewall on described pen core swivel base top is provided with the slit of the outer muscle of one or more corresponding described depression bar, described positioning tooth torus medial wall is provided with a buckle, and described buckle is corresponding with the slit of the outer muscle of described depression bar.

One annulus is formed on the bottom of described pen core swivel base, and the trisection point of this annulus is respectively equipped with an inside claw.

Be provided with a rotating pallet in the described nib, described pallet is provided with equally distributed pen core more than two, and the edge of described pallet is provided with three equally distributed, corresponding with described claw breach.

Described pallet is provided with six equally distributed pen cores, and the edge of described pallet is provided with six equally distributed, corresponding with described claw breach, and the angle of adjacent two pen cores and described pallet central shaft line is all 60 degree.

Described pen core comprises that a hollow punch block, places the blood collection needles in the described hollow punch block, and described blood collection needles comprises a needle stand and a needle point, is provided with the 5th spring that is enclosed within described needle point outside between each needle stand lower end and the described hollow punch block inside bottom.

The invention has the advantages that to have a plurality of blood collection needles, can finish continuously the work of repeatedly taking a blood sample, simple to operate, blood sampling is quick, is conducive to increase work efficiency.

Description of drawings

Fig. 1 is overall structure schematic diagram of the present invention;

Fig. 2 is the structural representation of handwriting part of the present invention;

Fig. 3 is the structural representation of pen head part of the present invention;

Fig. 4 is the structural representation of gangbar of the present invention;

Fig. 5 is the structural representation of drive rod of the present invention;

Fig. 6 is the structural representation of pushing rod sleeve of the present invention;

Fig. 7 is the structural representation of depression bar cover of the present invention;

Fig. 8 is the longitudinal sectional view of opening core bar of the present invention;

Fig. 9 is the structural representation of syringe of the present invention;

Figure 10 is the structural representation of cap for brush part of the present invention;

Figure 11 is Positioning Gear structure of rings schematic diagram of the present invention;

Figure 12 is the structural representation of pen core swivel base of the present invention;

Figure 13 is the cross-sectional structure schematic diagram of AA part among Fig. 3;

Labelling is as follows among the figure:

1, handwriting, 2, nib, 3, drive rod, 4, syringe, 5, pen core, 6, the opening core bar, 7, press hands, 8, the cap for brush, 9, the pen core swivel base;

21, pallet, 22, claw, 23, breach, 24, the gear adjusting knob;

31, gangbar, 32, pushing rod sleeve, 33, the depression bar cover;

41, injection joint, 42, the injection key, 43, the syringe base, 44, the syringe gear ring;

51, blood collection needles, 52, the hollow punch block, 53, dialyzing paper, 54, plastic layer;

61, ring baffle, 62, the galianconism support, 63, the plate washer gear ring, 64, the syringe baffle plate;

71, the first spring, the 72, second spring, the 73, the 3rd spring, the 74, the 4th spring, the 75, the 5th spring;

81, cap for brush gear ring, 82, the positioning tooth torus;

91, slit;

321, flange, 3211, flange groove;

331, the outer shoulder of depression bar cover, 332, shoulder in the depression bar cover, 333, muscle in the depression bar, 334, the outer muscle of depression bar;

511, needle stand, 512, needle point;

821, buckle.

The specific embodiment

Following examples can make those skilled in the art more clearly understand and how put into practice the present invention.Although should be appreciated that in conjunction with its preferred specific embodiments and described the present invention, these embodiments are intended setting forth, rather than limit the scope of the invention.

Such as Fig. 1, Fig. 2, shown in Figure 3, the present invention relates to a kind of spininess hair style blood collecting pen, comprise that the handwriting 1 and of a hollow is connected to thenib 2 of handwriting 1 lower end,nib 2 is threaded with handwriting 1, handwriting 1 inside is provided with a telescopic drive rod 3, drive rod 3 belows are provided with asyringe 4, for generation of the required negative pressure of blood drawing, be provided with plural pen core 5 in thenib 2, be used for putting the blood sample of retaining extraction, be provided with ablood collection needles 51 in each pen core 5,injection joint 41 corresponding arbitraryblood collection needles 51 of syringe 4.4 blood samplings of telescopic drive rod 3 pushing syringes, pen core 5 can be used in turn takes a blood sample.

Such as Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, telescopic drive rod 3 comprisesgangbar 31, thedepression bar cover 33 that is enclosed within the pushingrod sleeve 32 ofgangbar 31 outsides and is enclosed within pushingrod sleeve 32 outsides, the upper end ofdepression bar cover 33 is fixed with one and presses hands 7, the upper end ofgangbar 31 is fixed on presses on the hands 7, the middle part thatdepression bar overlaps 33 lateral walls is provided with theouter shoulder 331 of depression bar cover of an annular, the middle part that depression bar overlaps 33 medial walls is provided with shoulder 332 in the depression bar cover of an annular, be provided with between depression bar coverouter shoulder 331 lower surfaces and theopening core bar 6 and be enclosed within thesecond spring 72 that depression bar overlaps 33 outsides, the middle part that depression bar overlaps 33 medial walls is provided with shoulder 332 in the depression bar cover of an annular, the upper end of pushingrod sleeve 32 is provided with one and is stuck in theflange 321 on the shoulder 332 in the depression bar cover, by being provided with the3rd spring 73 that is enclosed withingangbar 31 outsides between the lower surface of hands 7 andflange 321 upper surfaces.Above-mentioned each parts form a link gear, press hands 7 and can control simultaneously this distance so thatgangbar 31 promotes certain distance downwards, and anti-damage is by the people that takes a blood sample.Unclamp and press hands 7,gangbar 31 can automatically reset.

As shown in Figure 8, between drive rod 3 andsyringe 4, be provided with anopening core bar 6,opening core bar 6 is a hollow cylinder, the medial wall ofopening core bar 6 is provided with aring baffle 61, the sidewall of the cavity ofring baffle 61 1 sides is provided withplural galianconism support 62, and the cavity of opposite side is provided with syringe 4.So thatgangbar 31 lower ends can lean out certain distance, but can not injure by the blood samplingpeople.Ring baffle 61 forms a platewasher gear ring 63 towards a side ofsyringe 4, andsyringe 4 forms a corresponding syringe gear ring 44 towards a side ofring baffle 61, and platewasher gear ring 63 and syringe gear ring 44 are engaged with each other.After syringe is rotated, can locate fast to treat to use next time.

Such as Fig. 8, shown in Figure 9, the medial wall ofopening core bar 6 is provided with for the fixingsyringe baffle plate 64 ofsyringe 4,syringe 4 comprisesinjection key 42 and asyringe base 43, be provided with thefirst spring 71 that is enclosed withininjection key 42 outsides betweensyringe base 43 and thesyringe baffle plate 64, the lower end ofsyringe 4 is provided with aninjection joint 41 corresponding with blood collection needles 51.Pen core 5 comprises that ahollow punch block 52, places theblood collection needles 51 in thehollow punch block 52,blood collection needles 51 comprises aneedle stand 511 and aneedle point 512, is provided with the5th spring 75 that is enclosed withinneedle point 512 outsides between each needle stand 511 lower end andhollow punch block 52 inside bottom.Whengangbar 31 was descending, namely theinjection key 42 of pushing syringe was descending, andblood collection needles 51 is thrust by blood sampling people's blood vessel; Aftergangbar 31 resetted,injection key 42 also can reset, and operation is simple fast.

Such as Figure 10, shown in Figure 11, handwriting 1 upper end be fixed with one with the handwriting 1 corresponding cap forbrush 8, the cap forbrush 8 and handwriting 1 upper end are with thread connecting mode, the lower surface of the cap forbrush 8 is provided with a cap for brush gear ring 81, the cap forbrush 8 belows are provided with alocation gear ring 82, positioningtooth torus 82 is engaged with each other with cap for brush gear ring 81, is provided with the4th spring 74 between the lower surface of positioningtooth torus 82 and handwriting 1 sidewall.The cap forbrush 8 can turn an angle, and can locate fast.Described handwriting 1 away from the sidewall of a nib end of 2 be provided with one with the pen clip of the cap forbrush 8 integrated designs so that the present invention can be clipped in the pocket, easy to carry.

As shown in figure 12, be provided with in the handwriting 1 one with thedepression bar cover 33 columnar pen core transposase 19s that are connected, the pen core transposase 19 is enclosed within the outside ofdepression bar cover 33 and opening core bar 6.The medial wall ofdepression bar cover 33 is provided with one or more and is parallel tomuscle 333 in the depression bar that depression bar overlaps 33 central shafts, the outward flange of theflange 321 of pushingrod sleeve 32 be provided with more than one with depression bar inmuscle 333 corresponding flange grooves 3211.The lateral wall of theouter shoulder 331 of depression bar cover is provided with one or more and is parallel to theouter muscle 334 of depression bar thatdepression bar overlaps 33 central shafts, the sidewall on pen core transposase 19 top is provided with theslit 91 of theouter muscle 334 of one or more corresponding depression bar, theouter muscle 334 of depression bar is stuck in theslit 91, positioningtooth torus 82 is enclosed within the outside of pen core transposase 19, the medial wall of positioningtooth torus 82 is provided with abuckle 821, described buckle is corresponding with the slit of the outer muscle of described depression bar, also is stuck in the slit 91.So that the cap forbrush 8 is when turning an angle, positioningtooth torus 82 positions are motionless, can not driven and rotate by the cap for brush 8.Effect owing to the4th spring 74 after the cap forbrush 8 turns an angle also can be stuck on the positioningtooth torus 82.

Can drive the pen core transposase 19 and turn an angle yet, all parts in the drive rod 3 can not rotate.The4th spring 74 can be so that pen core transposase 19 and the cap forbrush 8 after rotating still be fixed together.

Such as Fig. 2, shown in Figure 13, an annulus is formed on the bottom of pen core transposase 19, and the trisection point of this annulus is respectively equipped with an inside claw 22.Nib is provided with arotating pallet 21 in 2, andpallet 21 is provided with equally distributed pen core 5 more than two, and the edge ofpallet 21 is provided with three equally distributed, corresponding withclaw 22 breach 23.User rotates the cap forbrush 8, can drivepallet 21 by the pen core transposase 19 and rotate.Nib 2 outer surfaces are provided withgear adjusting knob 24, andgear adjusting knob 24 is connected to the pen core transposase 19, and user will be with the pen core displacement of crossing by rotating the cap for brush, andgear adjusting knob 24 is convenient to the gear after the user understanding adjustment, adjust simultaneously a new pen core stand-by.It is 0.1millimeter dialyzing paper 53 thatpallet 21 upper surfaces are provided with a layer thickness, and written 2 ends are provided with a layer thickness over againstblood collection needles 51 places be 0.1 millimeterplastic layer 54, keeps cleaning in the pen core and not contaminated.

Preferred version is as follows, andpallet 21 is provided with six equally distributed pen cores 5, and the edge ofpallet 21 is provided with six equally distributed, corresponding withclaw 22breach 23, and adjacent two pen cores 5 are all 60 degree with the angle ofpallet 21 central shaft lines.

The present invention at work, with blood sampling place of nib on the quilt blood sampling person skin, the staff presses hands 7, and keep pinning state and do not put, thefirst spring 71, thesecond spring 72, the3rd spring 73, the5th spring 75 are simultaneously compressed,depression bar overlaps 33 pushingsyringes 4 and moves downward, so that theinjection joint 41 ofsyringe 4 puncture dialyzingpaper 53 be connected to thebelow needle stand 511 on, the lower end of drive rod 3 enters intosyringe 4 simultaneously, in theexhaustjet device 4 and the air in thesyringe needle 51, and thenneedle point 512 punctures plastic layer 54.Needle point 512 thrusts by in blood sampling person's the blood vessel, loosens and presses hands 7, and each spring reset drives each descending parts and resets, andneedle point 512 is retracted.Because thesecond spring 72, the3rd spring 73 restore to the original state at first, in drive rod 3 uphill process, a small amount of blood sample can be extracted toblood collection needles 51, be kept in theneedle stand 511, after drive rod 3 resets, the4th spring 64 restores to the original state,syringe 4 also can rise, so that injection joint 422 separates withneedle stand 511, the 5th spring 65 restores to the original state then,needle point 512 is retracted in thenib 2, and blood sampling is finished.After each several part resetted, the gear adjusting knob on the rotating nib was so that another group pen core is over against the injection joint 422 that should injectkey 42, to treat that next time, blood sampling was used.

In thenib 2 six pen cores 5 are arranged, after continuous six blood samplings of user, open nib, with the pen core that pen core 5 is taken out and more renewed, need not all will change after each blood sampling, simple to operate, easy to use.

The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (13)

1. spininess hair style blood collecting pen, comprise that the handwriting and of a hollow is connected to the nib of described handwriting lower end, it is characterized in that, described handwriting inside is provided with a telescopic drive rod, described drive rod below is provided with a syringe, be provided with plural pen core in the described nib, be provided with a blood collection needles in each pen core.

2. spininess hair style blood collecting pen according to claim 1, it is characterized in that, between described drive rod and described syringe, be provided with an opening core bar, described opening core bar is a hollow cylinder, the medial wall of described opening core bar is provided with a ring baffle, the sidewall of the cavity of described ring baffle one side is provided with plural galianconism support, and the cavity of opposite side is provided with described syringe.

3. spininess hair style blood collecting pen according to claim 2, it is characterized in that, described ring baffle forms a plate washer gear ring towards a side of described syringe, described syringe forms a corresponding syringe gear ring towards a side of described ring baffle, and described plate washer gear ring and described syringe gear ring are engaged with each other.

4. according to claim 2 or 3 described spininess hair style blood collecting pens, it is characterized in that, the medial wall of described opening core bar is provided with for the fixing syringe baffle plate of syringe, described syringe comprises injection key and a described syringe base, be provided with the first spring that is enclosed within described injection key outside between described syringe base and the described syringe baffle plate, the lower end of described syringe is provided with an injection joint corresponding with described blood collection needles.

5. spininess hair style blood collecting pen according to claim 1 and 2, it is characterized in that, described telescopic drive rod comprises gangbar, the depression bar cover that is enclosed within the pushing rod sleeve of described gangbar outside and is enclosed within described pushing rod sleeve outside, the upper end of described depression bar cover is fixed with one and presses hands, the upper end of described gangbar is fixed on described by on hand, the middle part of described depression bar cover lateral wall is provided with the outer shoulder of depression bar cover of an annular, the middle part of described depression bar cover medial wall is provided with the interior shoulder of depression bar cover of an annular, be provided with between described depression bar cover outer shoulder lower surface and the opening core bar and be enclosed within the second outside spring of described depression bar cover, the middle part of described depression bar cover medial wall is provided with the interior shoulder of depression bar cover of an annular, the upper end of described pushing rod sleeve is provided with one and is stuck in the flange on the shoulder in the described depression bar cover, described by hands lower surface and described flange upper surface between be provided with the 3rd spring that is enclosed within described gangbar outside.

6. spininess hair style blood collecting pen according to claim 5, it is characterized in that, described handwriting upper end be fixed with one with the corresponding cap for brush of described handwriting, the lower surface of the described cap for brush is provided with a cap for brush gear ring, the below of the described cap for brush is provided with a location gear ring, described positioning tooth torus and described cap for brush gear ring are engaged with each other, and are provided with between the lower surface of described positioning tooth torus and the described handwriting sidewall to be enclosed within outside the 4th spring of described depression bar cover.

7. spininess hair style blood collecting pen according to claim 5, it is characterized in that, the medial wall of described depression bar cover is provided with muscle in one or more depression bar that is parallel to described depression bar cover central shaft, the outward flange of the flange of described pushing rod sleeve be provided with more than one with described depression bar in the corresponding flange groove of muscle.

8. spininess hair style blood collecting pen according to claim 5 is characterized in that, is provided with a columnar pen core swivel base that is connected with described depression bar cover in the described handwriting, and described pen core swivel base is enclosed within the outside of described depression bar cover and described opening core bar.

9. spininess hair style blood collecting pen according to claim 8, it is characterized in that, the lateral wall of the outer shoulder of described depression bar cover is provided with one or more outer muscle of depression bar that is parallel to described depression bar cover central shaft, the sidewall on described pen core swivel base top is provided with the slit of the outer muscle of one or more corresponding described depression bar, described positioning tooth torus medial wall is provided with a buckle, and described buckle is corresponding with the slit of the outer muscle of described depression bar.

10. spininess hair style blood collecting pen according to claim 8 is characterized in that, an annulus is formed on the bottom of described pen core swivel base, and the trisection point of this annulus is respectively equipped with an inside claw.

11. spininess hair style blood collecting pen according to claim 10, it is characterized in that, be provided with a rotating pallet in the described nib, described pallet is provided with equally distributed pen core more than two, and the edge of described pallet is provided with three equally distributed, corresponding with described claw breach.

12. spininess hair style blood collecting pen according to claim 11, it is characterized in that, described pallet is provided with six equally distributed pen cores, the edge of described pallet is provided with six equally distributed, corresponding with described claw breach, and the angle of adjacent two pen cores and described pallet central shaft line is all 60 degree.

13. according to claim 11 or 12 described spininess hair style blood collecting pens, it is characterized in that, described pen core comprises that a hollow punch block, places the blood collection needles in the described hollow punch block, described blood collection needles comprises a needle stand and a needle point, is provided with the 5th spring that is enclosed within described needle point outside between each needle stand lower end and the described hollow punch block inside bottom.

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