CN201578251U - Blood collector - Google Patents
Blood collector Download PDFInfo
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- CN201578251U CN201578251U CN2010200036960U CN201020003696U CN201578251U CN 201578251 U CN201578251 U CN 201578251U CN 2010200036960 U CN2010200036960 U CN 2010200036960U CN 201020003696 U CN201020003696 U CN 201020003696U CN 201578251 U CN201578251 U CN 201578251U
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- hollow cylinder
- access division
- needle stand
- block group
- hemostix
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Abstract
The utility model provides a blood collector, comprising a cylinder body, a push rod unit and a needle seat unit, wherein the cylinder body comprises a first hollow cylinder, a second hollow cylinder and a third hollow cylinder that have the same axis and are communicated with one another; the lower end of the third hollow cylinder is provided with a base; the base is provided with multiple pairs of retaining block groups that are arranged at two sides of the base relatively; each retaining block group has different height; when the blood collector is being pushed, the bottom of the needle seat unit is contacted with the retaining block group and stops moving, thus restricting the distance of the needle seat unit moving downwards, and further achieving the purpose of adjusting the puncture depth of the blood collector.
Description
Technical field
This utility model relates to a kind of hemostix, refers to a kind of disposable blood taking device that can regulate paracentesis depth especially.
Background technology
Along with the progress of medical science with science and technology, many medical detecting Instruments have appearred at present on the market, and the sample that need only gather trace just can carry out check and analysis, so testee only needs to puncture and extrude the micro blood that is enough to implement to detect on skin to get final product.Many needs are monitored the chronic patient of the state of an illness, patient's family members for a long time, and even the medical personnel of medical institutions, this puncture blood collecting action is must repeat every day.With the diabetics is example, for control of diabetes patient's blood sugar concentration effectively, medical personnel, patient or its family members must use hemostix to come sample of blood, drawn every day, again this blood sample is dropped on the blood sugar test paper, at last reagent paper is inserted the blood sugar concentration of measuring blood sample in the blood glucose meter, so hemostix has become the medical device that often uses in this group's daily life.For meeting this demand, design various hemostix at present on the market, and be divided into reusable hemostix substantially, and the hemostix that can abandon after once using.
Reusable hemostix mainly comprises the members such as stack shell, a drive mechanism and a needle stand of a similar penholder shape, utilizes the mode of pushing that the blood taking needle on the needle stand is punctured by blood sampling person's skin, after this blood taking needle is finished using, and the action of changing again.Yet if this hemostix is shared by many people, in case user is forgotten the replacing blood taking needle, next bit is just had the risk that is infected by blood sampling person, also increases user in addition and stabbed even the possibility that infects by blood taking needle.As I246911 number disclosed safe hemostix of TaiWan, China patent of invention, it comprises that a housing group reach-is assembled in the intravital start group of shell, when safe hemostix push promote syringe needle after safe hemostix promptly can't go again and push, just can reuse after new needle stand must being re-assemblied safe hemostix.This type of reusable hemostix is changed the defective of blood taking needle except that above-mentioned the need, because internal structure is comparatively complicated, relatively also increases difficulty and fraction defective in the assembling.
For avoiding the defective of such hemostix, disposable disposable blood taking device also appears at present on the market, therefore saved and changed syringe needle there is the operating procedure of risk in this, guarantee user with by blood sampling person's safety.Generally speaking, disposable blood taking device is for reducing manufacturing cost, and its structure is comparatively simple usually, so also therefore lack the comparatively meticulous function of part, for example adjusting of paracentesis depth.When using the hemostix blood sampling, the blood taking needle puncture is relevant with the degree of depth of blood sampling volume and wound by the degree of depth of blood sampling person's skin.At first, because the skin thickness of blood sampling site is different because of different people and different parts, so this hemostix need be regulated the blood volume that can adopt suitably when being used in different people or same people's different parts on paracentesis depth; Secondly, every by blood sampling person's pain sensation acuity difference, and part needs more shallow paracentesis depth to avoid over-drastic pain to the comparatively responsive person of the pain sensation; In addition, part sufferer mouthful healing rate due to wound is slower, as diabetes and hemophiliac, and the wound depth and the size that cause in the time of therefore when using the hemostix blood sampling, also must considering skin puncture.Therefore, how excessively not improving under the prerequisite of disposable blood taking device structure complexity, increasing the function of scalable blood taking needle paracentesis depth, is that the insider demands improvements urgently.
The utility model content
In order to improve above-mentioned defective of the prior art, this utility model provides a kind of hemostix, remove can reach disposable blood taking device used promptly lose, not susceptible purpose, and possess the function of scalable paracentesis depth again, increase the comfort level when using.
In order to achieve the above object, technological means of the present utility model is to provide a kind of hemostix, and it comprises:
One stack shell, can divide into a upper end and a lower end, this stack shell comprises one first hollow cylinder, one second hollow cylinder and one the 3rd hollow cylinder coaxial and that be connected successively by upper end to lower end, be provided with an arcuate groove between this first hollow cylinder and this second hollow cylinder, the 3rd hollow cylinder lower end is provided with a base, this base center is provided with a hole and this base and is provided with in pairs a plurality of and is positioned at a block group of these base both sides relatively, and respectively this block group has different height;
One push rod unit, part is located in this stack shell and is comprised one first Access Division, one second Access Division, a flexible member and joint portion, a needle stand unit, this push rod unit is arranged in a movable manner by this first Access Division in the arcuate groove of this stack shell and is separated by with this second Access Division and is connected in this second hollow cylinder upper limb, this flexible member is located at the inboard of this first Access Division and this second Access Division, and the free-end of this flexible member is located in this joint portion, needle stand unit; And
One needle stand unit, be located in this stack shell and comprise a needle stand Access Division and a syringe needle, this needle stand Access Division and joint portion, this push rod unitary needle stand unit card are established the upper limb of the 3rd hollow cylinder that combines and be resisted against this stack shell, and this syringe needle protrudes and is located at this lower end, needle stand unit.
In hemostix provided by the utility model, the unitary upper end of this push rod is provided with a press section, the point of application when providing the user desire to promote this hemostix, and as the knob of regulating paracentesis depth.In preferred embodiment, this surface, press section is provided with the anti-skid structure of a plurality of projectioies, slippage when preventing to use with the frictional force that increases the press section.This press section is connected with the infall with a transverse axis and a longitudinal axis by an axis, unitary first Access Division of this push rod and inboard, second Access Division are provided with this flexible member in transverse axis and longitudinal axis infall lower end, and energy is accumulated and the member that transmits when being pushed.This joint portion, needle stand unit is provided with a groove, and convexes with a relative buckling parts in this groove open end.In addition, the unitary second Access Division lower edge of this push rod is provided with a supporting part towards first Access Division, and in preferred embodiment, this supporting part is hook-shaped.
In hemostix provided by the utility model, the unitary upper end of this needle stand is provided with joint portion, a push rod unit, and it can embed mutually with the joint portion, needle stand unit in the push rod unit, in order in conjunction with push rod unit and needle stand unit.This joint portion, push rod unit is provided with a top and a body, and this body is combined in the unitary groove of this push rod makes this top be resisted against this groove upper limb, and fastens this body by this buckling parts.In addition, the unitary both sides of this needle stand are provided with a needle stand Access Division, under the state that this hemostix is not pushed, this needle stand unit is fixed in the 3rd hollow cylinder upper limb by this needle stand Access Division, and this supporting part of this second Access Division supports in the one first protruding lower edge at this second hollow cylinder inner top side place, wherein this first projection is relative bulge loop, and this push rod unit, this needle stand unit are finished with this stack shell and combined at this moment.
When external force puts on this push rod unit, strength reaches this needle stand unit by this flexible member, make this needle stand Access Division leave the 3rd hollow cylinder upper limb and moment moves to the lower end fast, make this syringe needle, reach the purpose of puncture blood collecting by passing in this hole.
When this hemostix was pushed, the unitary bottom of this needle stand stopped because of touching this block group, was exposed to the outer length of this hole thereby limit distance and this syringe needle that this needle stand unit moves down, that is limited the paracentesis depth of this hemostix.
In hemostix provided by the utility model, the width of arbitrary block is no more than 1/7th of the 3rd hollow cylinder radius in this block group, in order to the start and be unlikely to take place the situation that mutual interference mutually hinders smoothly when user is regulated paracentesis depth and promoted of push rod unit and needle stand unit.
In preferred embodiment of the present utility model, this base is provided with three pairs of block groups, and its height is low one first block group, one second block group and one the 3rd block group of being followed successively by by height.Therefore when user rotated the push rod unit extremely with the corresponding position of the first block group, its paracentesis depth that promotes moment was the most shallow; And when rotating the push rod unit extremely with the corresponding position of the second block group, its paracentesis depth that promotes moment takes second place; When rotating the push rod unit extremely with the corresponding position of the 3rd block group, its paracentesis depth is then for the darkest.
In hemostix provided by the utility model, regulate required paracentesis depth for making things convenient for user, and following technical characterictic is arranged.Wherein be provided with in lower end, unitary first Access Division of this push rod outside one first outstanding, when the push rod unit with after stack shell combine, this first is given prominence to and first hollow cylinder inboard of stack shell will form interference effect and regulate in order to scale.In preferred embodiment, this first outstanding strip that is.
In addition, in hemostix provided by the utility model, be provided with a plurality of indentures that are parallel to central shaft corresponding to this block group place respectively in second hollow cylinder of the stack shell outside.Inboard, lower end, first Access Division in the push rod unit then is provided with one second and gives prominence to, and can combine with this indenture and regulate in order to scale.In preferred embodiment, this second outstanding be strip and be convexly set in the inboard lower edge in this first Access Division and towards this second Access Division.
In hemostix provided by the utility model, before promoting this hemostix, confirm the degree of depth of puncture for making things convenient for user, and following technical characterictic is arranged.Wherein this first hollow cylinder outside is provided with a plurality of protruding scales that are parallel to central shaft corresponding to this block group place respectively.Has different outward appearances with the corresponding protruding scale of different block groups, in order to user identification in addition.In hemostix provided by the utility model, upper end, the unitary transverse axis of this push rod both sides is provided with a scale index, when rotating this push rod unit when user desire adjusting paracentesis depth, the scale index on this transverse axis also will be rotated thereupon, in order to cooperate so that the scale identification with this projection scale.
In hemostix provided by the utility model, this syringe needle is fixed in this needle stand unit in the mode of imbedding ejaculation, and in preferred embodiment of the present utility model, this syringe needle is draw point or steel disc.
In hemostix provided by the utility model, this needle stand unit moves to the upper end in promoting the restoring force of back because of this flexible member, and this syringe needle is not exposed to outside this hole, avoids user or other personnel to suffer needle sting.In addition, after this hemostix is pushed, because this needle stand Access Division has been left the 3rd hollow cylinder upper limb, so can't promote once more, and this moment, this supporting part on this second Access Division supported the one second protruding lower edge that is provided with in the inboard middle section of this second hollow cylinder, and this second projection is relative bulge loop, made this push rod unit and this needle stand unit can't be by taking out in this stack shell, guarantee that this hemostix only can use once, avoid causing infection because of repeated use.
In hemostix provided by the utility model, this second hollow cylinder outside opposite position is provided with a grip part, so that user grips this hemostix.In preferred embodiment, this grip part is two relative planes.
In hemostix provided by the utility model, this stack shell, this push rod unit and this needle stand unit except that this syringe needle are made up of plastics.In preferred embodiment, this stack shell is made up of polyethylene (PE) with this needle stand unit except that this syringe needle, and this push rod unit is made up of polyformaldehyde (POM).
In sum, hemostix provided by the utility model contrasts in prior art and existing product, has following favourable effect:
Can regulate paracentesis depth according to the user demand.
With after promptly abandon, must not change syringe needle, even avoid user to be stabbed because of forgetting that changing syringe needle is infected.
Simple structure, manufacturing cost is lower and yield is higher.
This utility model content and some specific embodiments please refer to accompanying drawing and details are as follows.In fact, this utility model may be implemented with different forms, and should not be inferred to be and only limit to example mentioned in the literary composition.
Description of drawings
Fig. 1 is the outside drawing of a preferred embodiment of the present utility model.
Fig. 2 is that the solid of a preferred embodiment of the present utility model is decomposed and fragmentary cross-sectional view.
Fig. 3 A to 3C is followed successively by the profile of this stack shell in the preferred embodiment of the present utility model, following view and three-dimensional side view.
Fig. 4 is the part sectional axonometric drawing of the 3rd hollow cylinder in the preferred embodiment of the present utility model.
Fig. 5 A to 5C is followed successively by the unitary top view of this push rod, profile and three-dimensional side view in the preferred embodiment of the present utility model.
Fig. 6 is the unitary three-dimensional side view of this needle stand in the preferred embodiment of the present utility model.
Fig. 7 is pushed preceding profile for this hemostix in the preferred embodiment of the present utility model.
Fig. 8 A to 8C is the fragmentary cross-sectional view that this hemostix is pushed moment in the preferred embodiment of the present utility model under different paracentesis depths.
Fig. 9 is the profile after this hemostix is pushed in the preferred embodiment of the present utility model.
Wherein, description of reference numerals is as follows:
102 press sections, 100 push rod unit
103 anti-skid structures, 104 axis
106 transverse axis, 107 scale indexs
108 longitudinal axis, 110 first Access Divisions
111 first outstanding 112 second is outstanding
120 second Access Divisions, 122 supporting parts
Joint portion, 140 flexible members, 160 needle stand unit
162 grooves, 164 buckling parts
Joint portion, 202 push rod unit, 200 needle stand unit
204 tops, 206 bodies
210 needle stand Access Divisions, 212 block holding parts
220 bottoms, 240 syringe needles
300 stack shells, 310 first hollow cylinders
311 first protruding scale 312 second protruding scales
313 the 3rd protruding scale 320 second hollow cylinders
321 first indentures, 322 second indentures
323 the 3rd indentures, 325 first projectioies
327 second protruding 329 grip parts
330 the 3rd hollow cylinders, 350 arcuate grooves
360 bases, 361 first block groups
362 second block groups 363 the 3rd block group
380 holes, 391 upper ends
392 lower ends
The specific embodiment
Fig. 1 and Fig. 2 are respectively the outside drawing and the three-dimensional exploded view of a preferred embodiment of the present utility model.Two figure hemostix provided by the utility model as can be known comprises a stack shell 300, one push rod unit 100 and a needle stand unit 200 thus.
Fig. 3 A to 3C is respectively the profile of this stack shell 300 in the preferred embodiment of the present utility model, following view and three-dimensional side view.Shown in Fig. 3 A to 3C, this stack shell 300 is divided into a upper end 391 and a lower end 392, this stack shell 300 comprises one first hollow cylinder 310, one second hollow cylinder 320 and one the 3rd hollow cylinder 330 coaxial and that be connected successively by upper end 391 to lower end 392, and this first hollow cylinder 310 and 320 of this second hollow cylinders are provided with an arcuate groove 350.
In preferred embodiment of the present utility model, the radius of these three hollow cylinders closes and to be: the radius of this first hollow cylinder 310 is greater than the radius of the radius of this second hollow cylinder 320 and this second hollow cylinder 320 radius greater than the 3rd hollow cylinder 330.The height of three hollow cylinders closes: the height of this first hollow cylinder 310 is less than the height of the height of this second hollow cylinder 320 and this second hollow cylinder 320 height less than the 3rd hollow cylinder 330.
Fig. 4 is the part sectional axonometric drawing of the 3rd hollow cylinder 330 in the preferred embodiment of the present utility model.With reference to figure 4, in hemostix provided by the utility model, the 3rd hollow cylinder 330 lower ends 392 are provided with a base 360, these base 360 centers are provided with a hole 380, this base 360 is provided with in pairs a plurality of and is positioned at a block group of these base 360 both sides relatively, and respectively this block group has different height.In preferred embodiment, this base 360 is provided with three pairs of block groups, be respectively one first block group 361, one second block group 362 and one the 3rd block group 363, and its height is by high and low this first block group 361, this second block group 362 and the 3rd block group 363 of being followed successively by.
Cooperate shown in Fig. 3 B and the 3C, in hemostix provided by the utility model, these second hollow cylinder, 320 outsides are provided with a plurality of indentures that are parallel to central shaft corresponding to this block group place respectively.In preferred embodiment of the present utility model, these second hollow cylinder, 320 outsides are provided with one first indenture 321, one second indenture 322 and one the 3rd indenture 323 respectively corresponding to this first block group 361, this second block group 362 and the 3rd block group 363 places.Cooperate shown in Figure 1ly, grip this hemostix for making things convenient for user, these second hollow cylinder, 320 outside opposite positions are provided with a grip part 329, and in preferred embodiment, this grip part 329 is two relative planes.
In addition, please refer to shown in Figure 7ly, these second hollow cylinder, 320 inner top side places are provided with one first projection 325, and inboard middle section is provided with one second projection 327.In preferred embodiment, this first projection 325 is relative bulge loop, and this second projection 327 also is relative bulge loop.With reference to figure 2, in hemostix provided by the utility model, these first hollow cylinder, 310 outsides are provided with a plurality of protruding scales that are parallel to central shaft corresponding to this block group place respectively.In preferred embodiment of the present utility model, these first hollow cylinder, 310 outsides are provided with one first protruding scale 311, one second protruding scale 312 and one the 3rd protruding scale 313 respectively corresponding to this first block group 361, this second block group 362 and the 3rd block group 363 places.Has different outward appearances with the corresponding protruding scale of different block groups, in order to user identification in addition.In preferred embodiment of the present utility model, this projection scale be one with the triangular prism of central axes, and corresponding with it block group height is higher, represents paracentesis depth more shallow, then this trequetrous volume is then little.So in preferred embodiment of the present utility model, each protruding graduated volume is by little first protruding scale 311, second protruding scale 312 and the 3rd protruding scale 313 that extremely be followed successively by greatly.
Fig. 5 A to 5C is respectively top view, profile and the three-dimensional side view of this push rod unit 100 in the preferred embodiment of the present utility model.Shown in Fig. 5 A to 5C, in hemostix provided by the utility model, this push rod unit 100 comprises one first Access Division 110, one second Access Division 120, a flexible member 140 and joint portion, a needle stand unit 160, in addition, the upper end of this push rod unit 100 is provided with a press section 102, the point of application when providing the user desire to promote this hemostix, and as the knob of regulating paracentesis depth.In preferred embodiment, these 102 surfaces, press section are provided with the anti-skid structure 103 of a plurality of projectioies, slippage when preventing to use with the frictional force that increases press section 102.This press section 102 is connected with the infall with a transverse axis 106 and a longitudinal axis 108 by an axis 104, is provided with this first Access Division 110 and this second Access Division 120 along these transverse axis 106 lower ends successively by the outside to inboard.Wherein these 110 outsides, first Access Division convex with one first outstanding 111, the inboard convexes with one second outstanding 112, in preferred embodiment, this first outstanding 111 is strip and parallel with this first Access Division 110, and this second outstanding 112 is strip and is convexly set in these first Access Division, 110 inboard lower edges and towards this second Access Division 120.And the outside, this 120 lower ends, second Access Division has a supporting part 122, preferably, this supporting part 122 be one hook-shaped by on these 120 laterals, second Access Division towards this first Access Division 110.This flexible member 140 is located at the inboard of this second Access Division 120, this transverse axis 106 and the longitudinal axis 108 infall lower ends, and energy is accumulated and the member that transmits during as promotion.And the free-end of this flexible member 140 is located in this joint portion, needle stand unit 160.In a preferred embodiment, this joint portion, needle stand unit 160 is provided with a groove 162, and convexes with a relative buckling parts 164 in these groove 162 open ends.In addition, the upper end of these transverse axis 106 both sides is provided with a scale index 107.
Fig. 6 is the three-dimensional side view of this needle stand unit 200 in this utility model one preferred embodiment.As shown in Figure 6, in hemostix provided by the utility model, the upper end of this needle stand unit 200 is provided with joint portion, a push rod unit 202, and it can embed mutually with the joint portion, needle stand unit 160 in this push rod unit 100, in order in conjunction with this push rod unit 100 and this needle stand unit 200.In a preferred embodiment, this joint portion, push rod unit 202 is provided with a top 204 and a body 206.This needle stand unit 200 is provided with a needle stand Access Division 210 in both sides, preferably, this needle stand Access Division 210 is convex to be located at both sides and to have a block holding part 212 respectively.In addition, this needle stand unit 200 has a bottom 220, and these bottom 220 lower end centre convex with a syringe needle 240, and this syringe needle 240 is fixed in this bottom 220 in the mode of imbedding ejaculation, and in preferred embodiment of the present utility model, this syringe needle 240 is draw point or steel disc.
In hemostix provided by the utility model, this stack shell 300, this push rod unit 100 and this needle stand unit except that this syringe needle 240 200 are made up of plastics.In preferred embodiment, this stack shell 300 is made up of polyethylene (PE) with this needle stand unit 200 except that this syringe needle 240, and this push rod unit 100 is made up of polyformaldehyde (POM).
Fig. 7 is pushed preceding profile for this hemostix in the preferred embodiment of the present utility model.With reference to figure 7, this needle stand unit 200 interosculates with the joint portion, needle stand unit 160 of these 100 lower ends, push rod unit by the joint portion, push rod unit 202 of upper end.In preferred embodiment, body 206 by this joint portion, push rod unit 202 is combined in the groove 162 of this joint portion, needle stand unit 160, and make this top 204 be resisted against this groove 162 upper limbs, and the buckling parts by these groove 162 open ends 164 fastens these bodies 206 and prevents that this needle stand unit 200 from deviating from.When this push rod unit 100 and this needle stand unit 200 desired to combine with this stack shell 300, the arcuate groove 350 of 320 of this first hollow cylinder 310 and this second hollow cylinders is passed in first Access Division 110 of this push rod unit 100, and move to lower end 392 along these second hollow cylinder, 320 inboards this second Access Division 120, support first protruding 325 lower edges in these second hollow cylinder, 320 inboards until this supporting part 122, the upper limb of the 3rd hollow cylinder 330 then is fixed in the needle stand Access Division 210 of these 200 both sides, needle stand unit.In preferred embodiment, fasten in the upper limb of the 3rd hollow cylinder 330 by these needle stand Access Division 210 block holding parts 212 protruding upward, this push rod unit 100, this needle stand unit 200 are finished with this stack shell 300 and are combined at this moment, these push rod unit 100 transverse axis 106 are positioned at this stack shell 300 with part and this needle stand unit 200 of the longitudinal axis below 108, and this hemostix is in the promotion state for the treatment of as shown in Figure 7.
With reference to figure 2, because this push rod unit 100 is connected in this second hollow cylinder, 320 upper limbs by this first Access Division 110 with this second Access Division 120, and can rotate along this arcuate groove 350, so during the paracentesis depth when the user desire is regulated this hemostix and is pushed, only need the press section 102 of 100 upper ends, rotating push-rod unit, can relatedly make the 300 inner rotations of push rod unit 100 and needle stand unit 200, thereby make the block group of the bottom 220 of this needle stand unit 200 corresponding to differing heights along this arc shaped groove 350 in stack shell.When hemostix was pushed, the bottom 220 of this needle stand unit 200 stopped because of touching this block group, was exposed to length outside this hole 380 thereby limit the distance that moves to lower end 392 this needle stand unit 200 and this syringe needle 240.
In other words, when these 200 bottoms, needle stand unit, 220 pairing block group height more height, then promoting moment this needle stand unit 200 just stops to move down because of its bottom 220 more early touches this block group when move lower end 392, the 3rd hollow cylinder 330 lower ends 392 holes, the 380 outer length that are exposed to syringe needle 240 in this needle stand unit 200 just heal short, that is paracentesis depth is more shallow.On the contrary, when these 200 bottoms, needle stand unit, 220 pairing block group height lower, then promoting moment this needle stand unit 200 just can move long distance side to lower end 392 and touch this block group and stop to move down, these hole 380 outer length that are exposed to this syringe needle 240 just heal long, that is paracentesis depth is darker.Therefore user can reach the purpose of regulating paracentesis depth by rotating this push rod unit 100 to corresponding block group place.
With reference to figure 3A, 3B and Fig. 4, in preferred embodiment of the present utility model, this base 360 is provided with three pairs of block groups, and its height is low this first block group 361, this second block group 362 and the 3rd block group 363 of being followed successively by by height.Therefore when user rotation push rod unit 100 to the first block group, 361 corresponding positions the time, paracentesis depth of its promotion moment is the most shallow; And when rotation push rod unit 100 to the second block group, 362 corresponding positions the time, its paracentesis depth that promotes moment takes second place; When rotation push rod unit 100 to the 3rd block group 363 corresponding positions the time, its paracentesis depth that promotes moment is then for the darkest.
In hemostix provided by the utility model, regulate required paracentesis depth for making things convenient for user, and following technical characterictic is arranged: as shown in Figure 7, when push rod unit 100 with after stack shell 300 combines, this first outstanding 111 will form interference effect with first hollow cylinder, 310 inboards of stack shell 300 and regulate in order to scale.
In addition, with reference to figure 2, in hemostix provided by the utility model, a plurality of indentures that these stack shell 300 second hollow cylinders 320 outsides are provided with can second outstanding 112 combine and regulate in order to scale with this inboard, 110 lower end, 100 first Access Divisions, push rod unit is provided with, so when the user desire is regulated paracentesis depth and rotated this push rod unit 100 to 361 groups of corresponding positions of this first block the time, these 110 inboards, first Access Division second outstanding 112 just with these first indenture, 321 tablings, the rest may be inferred, allow user know that it has been adjusted to push rod unit 100 and the corresponding paracentesis depth of specific block group, avoid user correctly not correspond to and promote this hemostix under the situation of specific block group, cause the correctly situation of start of hemostix in push rod unit 100.
In hemostix provided by the utility model, before promoting this hemostix, confirm the degree of depth of puncture for making things convenient for user, and following technical characterictic is arranged in addition: as shown in Figure 2, when rotating this push rod unit 100 when user desire adjusting paracentesis depth, scale index 107 on these push rod unit 100 transverse axis 106 also will be rotated thereupon, cooperate so that the scale identification in order to the protruding scale with these stack shell 300 first hollow cylinders 310.In preferred embodiment of the present utility model, to regulate paracentesis depth and rotate this push rod unit 100 to the time when the user desire with the corresponding position of this first block group 361, this tuning drive gear 107 just is instructed in this first protruding scale, 311 places accordingly, and the rest may be inferred.
Fig. 8 A to 8C is the profile that this hemostix is pushed moment in the preferred embodiment of the present utility model under different paracentesis depths.Cooperate Fig. 7 and Fig. 8 A to 8C to see it, when external force puts on the press section 102 of these 100 upper ends, push rod unit, strength will reach this needle stand unit 200 by this flexible member 140, the block holding part 212 of this needle stand Access Division 210 leaves the 3rd hollow cylinder 330 upper limbs, 200 moments of this needle stand unit are moved to lower end 392 fast, and make syringe needle 240 in this needle stand unit 200 by passing in the hole 380 of being located at these base 360 centers, reach the purpose of puncture blood collecting.
Fig. 8 A is this hemostix is pushed moment under the most shallow paracentesis depth a profile, and this moment, this needle stand unit bottom 220 contacted with this first block group 361, and the length that this syringe needle 240 exposes is the shortest; Fig. 8 B is this hemostix is pushed moment under inferior dark paracentesis depth a profile, and this moment, this needle stand unit bottom 220 contacted with this second block group 362, the length that this syringe needle 240 exposes time weak point; Fig. 8 C is this hemostix is pushed moment under the darkest paracentesis depth a profile, and this moment, this needle stand unit bottom 220 contacted with the 3rd block group 363, and the length that this syringe needle 240 exposes is the longest.
In hemostix provided by the utility model, the width of arbitrary block is no more than 1/7th of the 3rd hollow cylinder 330 radiuses in this block group, in order to the start and be unlikely to take place the situation that mutual interference mutually hinders smoothly when user is regulated paracentesis depth and promoted of this push rod unit 100 and this needle stand unit 200.
Fig. 9 is the profile after this hemostix is pushed in this utility model one preferred embodiment.This needle stand unit 200 moves to upper end 391 in promoting the restoring force of back because of this flexible member 140, and this syringe needle 240 is not exposed to outside the 3rd hollow cylinder 330, avoids user or other personnel to suffer needle sting.In addition, after this hemostix is pushed, because the block holding part 212 of this needle stand Access Division 210 has left the 3rd hollow cylinder 330 upper limbs, so can't promote once more, and the supporting part 122 on this second Access Division 120 supports second protruding 327 lower edges in these second hollow cylinder, 320 inboard middle sections at this moment, make this push rod unit 100 and this needle stand unit 200 guarantee that this hemostix only can use once, avoid causing infection because of repeated use by taking out in this stack shell 300.
Though previous embodiment illustrates the concrete fact of the present utility model, should be appreciated that any possible correction and change be not all departing from spirit of advocating in the claim and category.
Claims (11)
1. hemostix is characterized in that comprising:
One stack shell, divide into a upper end and a lower end, and comprise one first hollow cylinder, one second hollow cylinder and one the 3rd hollow cylinder coaxial and that be connected successively by upper end to lower end, be provided with an arcuate groove between this first hollow cylinder and this second hollow cylinder, the 3rd hollow cylinder lower end is provided with a base, this base center is provided with a hole and this base and is provided with in pairs a plurality of and is positioned at a block group of these base both sides relatively, and respectively this block group cording has different height;
One push rod unit, part is located in this stack shell and is comprised one first Access Division, one second Access Division, a flexible member and joint portion, a needle stand unit, this first Access Division is arranged in a movable manner in the arcuate groove of this stack shell and is separated by with this second Access Division and is connected in this second hollow cylinder upper limb, this flexible member is located at the inboard of this first Access Division and this second Access Division, and the free-end of this flexible member is located in this joint portion, needle stand unit; And
One needle stand unit is located in this stack shell and is comprised a needle stand Access Division and a syringe needle, and this needle stand unit is pulled the trigger joint portion, unitary needle stand unit card with this and established the upper limb that combines and be resisted against the 3rd hollow cylinder, and this syringe needle protrusion is located at this lower end, needle stand unit.
2. hemostix according to claim 1, it is characterized in that this base is provided with three pairs of block groups, it is respectively one first block group, one second block group and one the 3rd block group, and its height is low this first block group, this second block group and the 3rd block group of being followed successively by by height.
3. hemostix according to claim 2 is characterized in that this outside, lower end, first Access Division is provided with one first and gives prominence to, and regulates in order to scale with the inboard interference effect that forms of this first hollow cylinder.
4. hemostix according to claim 3 is characterized in that this second hollow cylinder outside is provided with a plurality of indentures that are parallel to central shaft corresponding to this block group place respectively.
5. hemostix according to claim 4 is characterized in that this inboard, lower end, first Access Division is provided with one second and gives prominence to, and can combine with this indenture and regulate in order to scale.
6. hemostix according to claim 5 is characterized in that the first outstanding strip that is, and this second outstandingly is strip and is convexly set in the inboard lower edge in this first Access Division and towards this second Access Division.
7. hemostix according to claim 6, it is characterized in that this first hollow cylinder outside is provided with a plurality of protruding scales that are parallel to central shaft corresponding to this block group place respectively, and this push rod unit is provided with a transverse axis, the upper end of these transverse axis both sides is provided with a scale index, in order to cooperate so that the scale identification with this projection scale.
8. hemostix according to claim 7, it is characterized in that this second hollow cylinder inner top side place is provided with one first projection, and inboard middle section is provided with one second projection, and the unitary second Access Division lower edge of this push rod is provided with a supporting part towards first Access Division, and this supporting part supports in the lower edge of this first projection under the state that this hemostix does not promote, and after promotion was finished, this supporting part supported in the lower edge of this second projection.
9. hemostix according to claim 8 is characterized in that this first projection for relative bulge loop, and this second projection also is relative bulge loop, and this supporting part is hook-shaped.
10. hemostix according to claim 9, it is characterized in that this second hollow cylinder outside opposite position is provided with a grip part, and this grip part is two relative planes, and the unitary upper end of this push rod is provided with a press section, and this surface, press section is provided with the anti-skid structure of a plurality of projectioies.
11. hemostix according to claim 10, it is characterized in that this joint portion, needle stand unit is provided with a groove, and convex with a relative buckling parts in this groove open end, and the unitary upper end of this needle stand is provided with joint portion, a push rod unit, this joint portion, push rod unit is provided with a top and a body, this body is combined in this groove makes this top be resisted against this groove upper limb, and fastens this body by this buckling parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200036960U CN201578251U (en) | 2010-01-18 | 2010-01-18 | Blood collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200036960U CN201578251U (en) | 2010-01-18 | 2010-01-18 | Blood collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201578251U true CN201578251U (en) | 2010-09-15 |
Family
ID=42720242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200036960U Expired - Fee Related CN201578251U (en) | 2010-01-18 | 2010-01-18 | Blood collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201578251U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984917A (en) * | 2010-11-25 | 2011-03-16 | 哈尔滨工业大学（威海） | Micro tissue fluid suction device |
| CN104127190A (en) * | 2013-05-03 | 2014-11-05 | 品强科技精密有限公司 | Blood sampling device allowing controllable puncturing depth |
| CN104783809A (en) * | 2015-03-14 | 2015-07-22 | 深圳市前海安测信息技术有限公司 | Blood taking needle for glucometer blood taking pen |
-
2010
- 2010-01-18 CN CN2010200036960U patent/CN201578251U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984917A (en) * | 2010-11-25 | 2011-03-16 | 哈尔滨工业大学（威海） | Micro tissue fluid suction device |
| CN101984917B (en) * | 2010-11-25 | 2012-07-04 | 哈尔滨工业大学（威海） | Micro tissue fluid suction device |
| CN104127190A (en) * | 2013-05-03 | 2014-11-05 | 品强科技精密有限公司 | Blood sampling device allowing controllable puncturing depth |
| CN104783809A (en) * | 2015-03-14 | 2015-07-22 | 深圳市前海安测信息技术有限公司 | Blood taking needle for glucometer blood taking pen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20130118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |