CN2726529Y - Hemostix structure with readily detachable needle - Google Patents

Abstract

The utility model relates to a hemostix structure with an easily detachable needle, which is mainly composed of a sleeve barrel, a set of needle stands provided with two-way needle heads, and a test tube, wherein, the upper part of the sleeve barrel is provided with a containing slot in which a clamping sheet provided with a small and a big containing hole is arranged, and the big containing hole is aligned to a sleeve hole arranged in the containing slot of the sleeve barrel, and then the needle stands are sheathed in the big containing hole, the clamping sheet is pushed so as to make the small containing hole be slid, embedded, fixed and positioned on the convex posts of the bottoms of the needle stands, the test tube is penetrated and inserted from the opening of the other side of the sleeve barrel, and the needle head of one side is tied and penetrated in the test tube. When the blood sampling is finished, after the test tube is detached, the sleeve barrel is reversely arranged, and then the clamping sheet is pushed to make the convex posts of the needle stands be contained in the big containing hole. Because the diameter of the big containing hole is larger than the external diameters of the convex posts, the needle stands can automatically disengage from the clamping sheet and can be directly thrown in a waste collecting bottle, and the hemostix structure avoids users being hurt due to repeatedly sheathing and covering, and meanwhile, the hemostix structure has the efficiencies of stable clamping and positioning, easy disassembling and safety benefit.

Description

Quick detachable syringe needle hemostix structure

Technical field

This utility model relates to a kind of quick detachable syringe needle hemostix structure, especially a kind of down of finger is located at the syringe needle hemostix of the drawing piece in the containing groove of sleeve top, this drawing piece has be connected with big, the Xiao Rong hole, can be by means of pushing away this drawing piece of pulling, see through closely inserting and putting of Xiao Rong hole, make and be set in telescopic needle stand and formed firm down card, when blood sampling finishes, it can be inverted sleeve, again this drawing piece pushed home is made needle stand not be subjected to the restriction of down card and automatic unclamped sleeve, and can directly fall in the discarded receiving flask, quick detachable and have a syringe needle hemostix structure of safety benefit to form one.

Background technology

General hemostix structure mainly is by a sleeve 80; one needle stand 90 and a test tube 85 are formed; as shown in Figure 9; this needle stand 90 can wear for a two-way syringe needle 93; form a long end and be blood collection needles 931; another short end is piercing needle 932; these needle stand 90 stage casing appropriate locations are equipped with prominent rib 91; be provided with screw thread 911 in needle stand end periphery, prominent rib 91 below; and be equipped with less protruding end 92, circle footpath in needle stand 90 bottoms; these 92 bottoms, protruding end also are provided with and collude rib 921; the waterproof jacket 94 that makes a rubber material is with after wearing this piercing needle 932; and collude rib 921 by this and collude to being fixed on the needle stand protruding end 92 with sheathed; when not using; one end of this blood collection needles 931 can a sheathed bottom inwardly be provided with the lid 95 of down edge 951; and in this sheathed upper shield 96 in piercing needle 932 end places on lid down edge 951, make this bidirectional needle 93 have upper shield protection and take in effect.

See also shown in Figure 10 A～C, these sleeve 80 1 ends are provided with the trepanning 81 of tool screw thread 82 in, and its other end is an opening 83, in opening 83 outer rims and be equipped with two and hold handle 84.

Its operational approach of this hemostix is earlier needle stand upper shield 96 to be removed, this rotation of needle stand end with piercing needle 932 is locked in the telescopic trepanning 81, the test tube 85 that one top is arranged with a piston part 86 is gone in the sleeve 80 by opening part 83 plants, because this piston part 86 is generally the soft rubber material, make piercing needle 932 see through the extruding of piston part 86 and puncture this waterproof jacket 94 and the piston part 86 of puncturing enters in the test tube 85, remove lid 95 this moment again, blood collection needles 931 is punctured in the subject of desire blood sampling, see through syringe needle with the blood that will collect and flow directly in the test tube 85.

After blood sampling finishes, on the needle stand with lid 95 upper shield back production blood syringe needles 931, again test tube 85 is extracted, user one holds sleeve 80, another hands then holds lid 95 and rotation breaks away from this sleeve 80 so that needle stand 90 is unclamped, at this moment, this is sheathed on the elastic recovery of its rubber material of waterproof jacket 94 mats on the piercing needle 932, make waterproof jacket 94 can heavily recover this piercing needle 932, and the regressive characteristic of its caoutchouc elasticity of hole mat that it originally was punctured brokenly and the scalable minimum hole that reverts back to, see through being coated with of waterproof jacket 932 and avoid piercing needle 932 to expose, last, the needle stand under this dismounting 90 lost to discard in the receiving flask get final product.

The utility model content

In the at present common processing mode and removal process, user needs very careful and meticulously lid is aimed at syringe needle and recover, as easy as rolling off a logly stab oneself, cause the danger of manipulating to improve, simultaneously, when rotation dismounting needle stand detaches sleeve, though its outside waterproof jacket that is coated with of this piercing needle, yet, if because of carelessness when touching piercing needle, piercing needle is as easy as rolling off a log to be worn out this waterproof jacket again and stabs the people, therefore in discarded recycling process, shortcoming and drawback that existing syringe needle hemostix structure exists are demanded improved necessity in fact urgently.The purpose of this utility model is a kind of quick detachable syringe needle hemostix structure that proposes at above-mentioned defective.

For achieving the above object, this utility model provides a kind of quick detachable syringe needle hemostix structure, it mainly is to be provided with a containing groove in the sleeve stiff end, and make top end face central authorities have the drawing piece down that large and small appearance hole is connected with to be located in this containing groove, make the trepanning of its Da Rong hole alignment sleeve, and this Da Rong hole to be big than the trepanning aperture, it wore this Da Rong hole and trepanning with needle stand, and push away this drawing piece of pulling, make the Xiao Rong hole locate to such an extent that be folded in the needle stand protruded stigma, to form firm down fastening position; When blood sampling finishes, this sleeve is inverted, again drawing piece is pushed back, the needle stand protruded stigma is formed to be located in the Da Rong hole, then needle stand promptly can come off automatically, and can directly drop in the discarded receiving flask, can remove usual way from needs careful elder generation that syringe needle is aimed at fit again with lid, and its method causes the shortcoming of stabbing the operator easily.In other words, this utility model provides a kind of quick detachable syringe needle hemostix structure, it constitutes the test tube that the sleeve include a hollow at least, one group of needle stand that is provided with bidirectional needle and are gathered blood, it can wear this needle stand in the trepanning that is fixed in sleeve one end, again with test tube by sleeve in addition the end opening place plant into, the syringe needle that is located in the sleeve is punctured in vitro, and the syringe needle that needle stand is held in addition punctures in treating blood sampling person's body, the blood of collection can be flowed directly in vitro, by above-mentioned member to form a syringe needle hemostix structure; Wherein, below this needle stand, be formed with protruded stigma and be provided with the protruding end of colluding rib, and on this protruded stigma, be formed with several ring beads, make it between the needle stand pedestal, be formed with several down grooves; The other end that this sleeve differs from bottom open end is a stiff end, form one in this stiff end and laterally cut open the containing groove of establishing, the formation one downwards of this containing groove centre has the appearance post of trepanning, the drawing piece that makes a top end face be provided with large and small appearance hole is sheathed in this containing groove, and the length of this drawing piece is greater than telescopic diameter, make the trepanning of the Da Rong hole alignment sleeve of this drawing piece, and the aperture in this Da Rong hole is big than the trepanning aperture; It is aimed at this needle stand behind the Da Rong hole and inserts in the trepanning, push away this drawing piece of pulling again, Xiao Rong hole formation on the drawing piece is inserted and put in the down groove of this needle stand protruded stigma, and the firm down fastening of needle stand is positioned on the sleeve, after blood sampling finishes, test tube is extracted, again sleeve is inverted, make blood collection needles aim at the bottleneck of discarded receiving flask, push away again pull this drawing piece so that protruded stigma form and to be located in the Da Rong hole, then this needle stand no longer is subjected to down card restriction and freely falls, and drops in the discarded receiving flask, forms a firm down card and have the quick detachable syringe needle hemostix structure of safety benefit.

Learn that by above explanation this utility model compared with prior art really can reach following effect:

1, easily detachable effect: because the set aperture, Da Rong hole of drawing piece of the present utility model is greater than telescopic trepanning aperture, therefore when dismounting, sleeve is inverted, and pushing away the drawing piece of pulling is located in the Da Rong hole needle stand protruded stigma, then the needle stand protruded stigma is no longer limited, integral body promptly can be unclamped automatically and be come off, and can very simply and apace needle stand be separated with sleeve, to reach easily detachable effect.

2, have safety benefit: because the easily detachable hemostix structure of this utility model, its dismounting can avoid user to touch syringe needle in unloading process easily, can remove the dangerous play that need heavily recover lid in the prior art structure from, makes to have safety benefit.

3, firm down fastening position:, can make needle stand be able to firm down fastening then and be positioned on the sleeve because the design of the large and small appearance hole of this utility model drawing piece by pushing away this drawing piece of pulling, can form this Xiao Rong hole opening part and closely is folded in protruded stigma.

But 4 intention groups are established: the quick detachable structure of this utility model hemostix can be applicable to the hemostix structure that general syringe needle is set for the eccentric, and can reach firm down fastening position, quick detachable and have a safety benefit equally.

5, can increase the elasticity device for spreading: can in sleeve trepanning of the present utility model, be arranged with an elastic parts, make and form under the tight fit state between general needle stand and sleeve, can flick needle stand with support by the elastic-restoring force of this elastic parts, can reach easily detachable effect.

Description of drawings

Fig. 1 is the solid combination sketch map of this utility model syringe needle hemostix;

Fig. 2 is the three-dimensional exploded view of this utility model syringe needle hemostix;

Fig. 3 A～C is telescopic action sketch map for this utility model drawing piece is assembled in;

Fig. 4 A～F is the action sketch map of this utility model syringe needle hemostix;

Fig. 5 A～B is the view that gets loose of this utility model syringe needle hemostix;

Fig. 6 is the generalized section of this utility model first embodiment;

Fig. 7 is the generalized section of this utility model second embodiment;

Fig. 8 is the generalized section of this utility model the 3rd embodiment;

Fig. 9 is the generalized section of prior art needle head structure;

Figure 10 A～C is the action sketch map of prior art syringe needle hemostix.

Among the figure:

The quick detachable syringe needle hemostix of A structure

10 sleeves, 11 stiff ends

12 containing grooves

121 protruding ends, 122 short slots

123 link sheet

13 ring plates

14 hold post

141 trepannings, 142 down ends

15 openings 16 are held handle

17 elastic partss, 20 drawing pieces

21 lengthy motion picture bodies, 22 beads

24 Xiao Rong holes, 23 Da Rong holes

25 ring ribs

251 profile grooves, 252 curved arc profile grooves

26 ribs, 27 awl pieces

28 projections, 29 pyrometric cone pieces

30 needle stands

31 awl sheets, 32 pedestals

33 protruded stigmas, 34 ring beads

35 down grooves, 36 down grooves

Rib is colluded in 37 protruding ends 38

39 wear groove

40 syringe needles

41 blood collection needles, 42 piercing needles

43 waterproof jackets, 44 lids

45 upper shields

50 test tubes, 51 piston parts

60 discarded receiving flasks

70 needle stands

71 reference columns, 72 runners

73 protruded stigmas, 74 ring beads

75 protruding ends, 76 down grooves

77 blood collection needles, 78 piercing needles

79 waterproof jackets

80 sleeves

81 trepannings, 82 screw threads

83 openings 84 are held handle

85 test tubes, 86 piston parts

90 needle stands

91 prominent rib 92 protruding ends

93 syringe needles, 94 waterproof jackets

95 lids, 951 down edge

96 upper shields

The specific embodiment

See also illustrated in figures 1 and 2, quick detachable syringe needle hemostix structure A of the present utility model, it constitutes at least by a hollow sleeve 10, one group of needle stand 30 and test tube 50 that is provided with bidirectional needle 40 is formed, wherein, these sleeve 10 one ends inwardly are equipped with an appearance post 14 and can be supplied needle stand 30 down put fixing, and these sleeve 10 bottoms are an opening 15, outwards are equipped with two in opening 15 peripheries and hold handle 16; It has a rectangle pedestal 32 this needle stand 30, and the outside of its long end forms arcuation ring edge, be provided with a plurality of radial awl sheets 31 in pedestal 32 tops, be provided with less protruding end 37, a circle footpath in addition in pedestal 32 bottoms, and 37 bottoms are provided with and collude rib 38 in the protruding end, be provided with in needle stand 30 its central authorities that to wear groove 39 be to wear for a two-way syringe needle 40, make its long end that is based in awl sheet 31 sides be blood collection needles 41, and the short end of side is piercing needle 42 in addition, make the waterproof jacket 43 of a rubber material wear this piercing needle 42 back and sheathed being fixed on the protruding end 37, when this syringe needle 40 does not use, (please not cooperate and consult shown in Fig. 4 A), make these blood collection needles 41 covers be stamped the lid 41 of inwardly being equipped with down edge 441 in a bottom, and make a upper shield 45 be sheathed on piercing needle 42 back and cover is fixed on this lid down edge 441, stab human body to avoid syringe needle to expose; The mode of operation of this hemostix A is earlier upper shield 45 to be removed, these needle stand 40 its piercing needle 42 ends are planted in the sleeve 10, and in addition insert a test tube 50 in the end opening place in sleeve, make piercing needle 42 wear out waterproof jacket 43 and penetrated test tube piston part 51 and enter in the test tube 50, again lid 44 is removed, blood collection needles 41 is punctured into treat in blood sampling person's body, the blood of collection must be flowed directly in the test tube 50 through syringe needle, forming a syringe needle hemostix structure A, and main improvement of the present utility model is:

Be formed with protruded stigma 33 in these needle stand pedestal 32 belows and be provided with the protruding end 37 of colluding rib 38, and on this protruded stigma 33, be formed with bicyclo-bead 34, make 32 of this bicyclo-bead 34 and pedestals be formed with a down groove 35, and 34 of this bicyclo-beads form a down groove 36;

This sleeve 10 be one-body molded be a hollow cylindrical body shape, making its other end that differs from opening 15 is stiff end 11, and this stiff end 11 is to form one laterally to cut open the containing groove of establishing 12, and these containing groove 12 its grooves lack section just and sleeve hold handle 16 and be vertical configuration, be formed with the protruding end 121 to establishing in twos respectively relatively in these containing groove 12 2 side upper limb appropriate locations, be formed with short slot 122 in 121 of this two protruding ends, its two sides short slot 122 central authorities also link sheet 123 to having, this two bindings sheet 123 inwardly links the hollow ring plates 13 that are formed with a Fructus Canarii albi shape, in the ring plate 13 central appearance posts 14 that hold the consistent sky of vacancies formation downwards and have trepanning 141, this trepanning 141 just can wear for needle stand protruded stigma ring bead 34 and be installed with, and it holds post 14 bottoms and inwardly prominent establishing is formed with down end 142;

One drawing piece 20, be a rectangle lamellar body 21 shapes, and the length of this drawing piece 20 is length than sleeve stiff end 11 diameters, in its lengthy motion picture body 21 2 sides formation curved arc shape and to having bead 22, make its curved arc bead 22 just can be corresponding to the curved arc indentation, there of these sleeve containing groove 12 2 sides, in lengthy motion picture body 21 centre be connected be formed with one big, Xiao Rong hole 23,24 and its part crossover form hole as the calabash shape, wherein, the aperture in this Da Rong hole 23 is greater than the aperture of sleeve trepanning 141, and the aperture in this Xiao Rong hole 24 is slightly big than the external diameter of needle stand bottom protruded stigma 33, be provided with an inside profile groove 251 in lengthy motion picture body 21 2 sides central authorities appropriate location, this profile groove 251 and the outer shroud that inwardly prolongs this Xiao Rong hole 24 and Da Rong hole 23 with suitable distance enclose and are formed with curved arc profile groove 252 and ring rib 25 to its proximal end place; In parallel respectively two microscler ribs 26 and the two inclined-planes awl piece 27 of being equipped with of these Xiao Rong hole 24 front end appropriate locations, two sides, the inboard bottom in these rib 26 nearly Xiao Rong holes 24 is formed with inclined-plane 261, and the rib 26 and the part on its inclined-plane 261 protrude in curved arc profile groove 252 tops, the inclined-plane 271 of this awl piece 27 is towards curved arc profile groove 252 places and outwards install, be formed with two strip projections 28 in its outermost bead edge of these 24 places, Xiao Rong hole, be equipped with a pyrometric cone piece 29 respectively in the end face at nearly profile groove 251 places, lengthy motion picture body 21 2 side stage casings again, and the inclined-plane 291 of this pyrometric cone piece 29 is same as inclined-plane 261 directions of rib 26, and inwardly is formed with groove 211 in nearly these the 291 end end places, pyrometric cone piece inclined-plane of these drawing piece 20 2 sides;

Shown in Fig. 3 A～C, this drawing piece 20 is assembled in the action sketch map in the sleeve containing groove 12, can with drawing piece Da Rong hole 23 ends towards sleeve containing groove 12 side openings place into, see through profile groove 251 and the empty design of cuing open of curved arc profile groove 252, when making pyrometric cone piece 29 its inclined-planes 291 on the drawing piece 20 be subjected to protruding end 121 compressings, can produce elasticity presses down can take advantage of a situation by protruding end 121 lower edges, treat that whole pyrometric cone piece 29 is by behind the protruding end 121, this pyrometric cone piece 29 no longer suffers oppression and can produce elastic recovery and be located in the short slot 122, and makes Da Rong hole 23 aim at trepannings 14; Then this drawing piece 20 can slide in containing groove 12, and the vertical section that sees through this two projection 28 and pyrometric cone piece produces with two pleurapophysis ends 121 and replace mutually, so that its front and back end generation down card limit effect during the drawing piece start, and unlikelyly deviates from containing groove 12.

Shown in Fig. 4 A～F, be operation chart of the present utility model, earlier needle stand upper shield 45 is removed, piercing needle 42 is aimed in the drawing piece Da Rong hole 23 and the trepanning 141 of planting again, the ring bead 34 of this needle stand 30 is arranged in the trepanning 141, and design by protruded stigma bottom down end 142, make ring bead 34 places, this needle stand bottom and 142 formation of down end replace and can not dash Rong Zhu 14 bottoms mutually, and can and bore piece 27 by the prominent rib of establishing 26 so that the locating effect of needle stand pedestal 32 to be provided, these pedestal 32 its lateral margins are just formed be limited to two side rib bars 26 with bore piece 27 between, after treating that needle stand 30 wears the location, push away the ora terminalis 22 that this drawing piece 20 of pulling protrudes in sleeve 10, its ring rib 25 of these Xiao Rong hole 24 mats designs can produce elastic telescopic with curved arc profile groove 252, and being able to mat elasticity, the opening part that makes Xiao Rong hole 24 supports to wear needle stand protruded stigma 33, form after these Xiao Rong hole 24 elastic recoverys and be folded on the down groove 35 interior protruded stigmas 33, then this protruded stigma 33 promptly forms and closely is limited in the Xiao Rong hole 24, to reach the effect of firm down card, the ora terminalis 22 of these Da Rong hole 23 sides promptly forms and protrudes in sleeve containing groove 12; Again a test tube 50 is inserted sleeve 10 inside by sleeve bottom end opening place 15 subsequently, test tube 50 is planted on earth, piercing needle 42 is suffered oppression and wear out this waterproof jacket 43 and the piston part 51 that stretched through enters in the test tube 50, again lid 44 is pulled out the action of to take a blood sample.

After blood sampling finishes, test tube 50 is extracted, again sleeve 10 is inverted, make blood collection needles 41 aim at the bottle mouth position of Biohazard Waste receiving flask 60, please cooperate and consult shown in Fig. 5 A～B, the state that gets loose vertical view for this utility model hemostix A, the application of force pushes away the ora terminalis 22 of this drawing piece Da Rong hole 23 sides of pulling, needle stand protruded stigma 33 is formed support to arrive in Xiao Rong hole 24 opening parts, the elasticity of mat ring rib 25 and make protruded stigma 33 deviate from this Xiao Rong hole 24 then, this protruded stigma 33 is formed wear in this wide-aperture Da Rong hole 23, then needle stand 30 is not is not promptly inserted and put restriction and can freely be fallen, and can directly drop in the discarded receiving flask 60; Thus, the operator need not lid 44 to be recovered again, and can economize with hands and go to remove the dangerous play that needle stand 30 leaves sleeve 10, can effectively avoid in unloading process the danger of being stabbed, make overall structure really have industrial applicability and innovation benefit by blood collection needles 41 or piercing needle 42.

And for example Figure 6 shows that first embodiment of the present utility model, appearance post 14 degree of depth in the sleeve stiff end 11 can be increased, and in holding column sleeve hole 141, be arranged with an elastic parts 17, and the aperture in this drawing piece Da Rong hole 23 is slightly dwindled, but it is still greater than needle ring bead 34, again drawing piece 20 is mounted in the containing groove 12, makes this elastic parts 17 be subject to the Da Rong hole 23 ring edge of this summary reduced bore, and unlikelyly deviate from; It plants needle stand 30 go in Da Rong hole 23 and the trepanning 141, make needle stand 30 bottoms ring bead 34 these elastic partss 17 of extrusion on earth, push away the drawing piece 20 of pulling again, the down groove 35 that makes Xiao Rong hole 24 folder of drawing piece 20 terminate in needle stand protruded stigma 33 is sentenced and is reached down fastening position effect, after blood sampling finishes, this sleeve 10 is inverted, and push away these drawing piece 20 homings of pulling, needle stand protruded stigma ring bead is formed to be located in the Da Rong hole 23, the elastic-restoring force of its mat elastic parts 17 and eject and just drop into this needle stand 30 in the discarded receiving flask 60 then, the design of this elastic parts 17 is not easy nature applicable to general needle stand 30 with holding column sleeve hole 141 formation tight fit deviates from, and overall structure really has the effect that the intention group is established.

And for example shown in Figure 7, be the second enforcement illustration of the present utility model, these needle stand 70 its upper and lower sides are respectively equipped with eccentric reference column 71 and form eccentric the setting with protruded stigma 73 can supply a blood collection needles 77 and a piercing needle 78 respectively, and in the middle of needle stand 70, be provided with runner 72 for blood circulation, these protruded stigma 73 belows also are provided with ring bead 74, protruding end 75 and down groove 76 equally, in this piercing needle 78 and be coated with a waterproof jacket 79; It is inserted in needle stand 70 ends of this piercing needle 78 in the sleeve 10 equally, but its same mat this utility model pushes away the drawing piece 20 of pulling so that firm down fastening position and easy-off effect to be provided, to form the hemostix structure of an eccentric syringe needle; And for example shown in Figure 8, it can make, and appearance post 14 degree of depth in its sleeve 10 increase in the hemostix structure of this off-centre syringe needle, and the aperture in drawing piece Da Rong hole 23 is slightly dwindled, in holding column sleeve hole 141, be arranged with an elastic parts 17, when breaking away from the hemostix needle stand 70 that this off-centre syringe needle can be provided, but the elasticity of this elastic parts 17 of mat makes support eject sleeve 10, but makes overall structure Chuang Dar Industrial Co., Ltd meaning group establish and easy-off hemostix structure the effect that overall structure Chuang Dar Industrial Co., Ltd meaning group is established.

In sum, quick detachable syringe needle hemostix structure of the present utility model, the one drawing piece device that is mounted on the sleeve is provided, this drawing piece can smoothly move in telescopic containing groove, and the large and small appearance hole that is connected with by its top end face of this drawing piece, with strong fix and the easily detachable effect that needle stand can be provided, make needle stand can deviate from sleeve and direct the input in the discarded receiving flask easily, the danger of effectively avoiding user to be stabbed by syringe needle easily in unloading process makes whole really tool industrial applicability and safety effect.

The above is specific embodiment of the utility model and the know-why used, if comply with the change that conception of the present utility model is done, when the function that it produced does not exceed spiritual that description and accompanying drawing contain yet, all should be in scope of the present utility model.

Claims (9)

1, a kind of quick detachable syringe needle hemostix structure, its formation includes the test tube that the sleeve of a hollow, one group of needle stand that is provided with bidirectional needle and are gathered blood, this needle stand wears in the trepanning that is fixed in sleeve one end, test tube is inserted by sleeve other end opening part, the syringe needle that is located in the sleeve punctures in vitro,, it is characterized in that to form a syringe needle hemostix structure by above-mentioned member:

This needle stand below is formed with protruded stigma and is provided with the protruding end of colluding rib, and is formed with several ring beads on this protruded stigma, is formed with several down grooves between the needle stand pedestal;

The other end of this sleeve bottom open end is a stiff end, form one in this stiff end and laterally cut open the containing groove of establishing, the formation one downwards of this containing groove centre has the appearance post of trepanning, the drawing piece that one top end face is provided with large and small appearance hole is sheathed in this containing groove, and the length of this drawing piece is greater than telescopic diameter, the trepanning of the Da Rong hole alignment sleeve of this drawing piece, and the aperture in this Da Rong hole is big than the trepanning aperture;

This needle stand is aimed at behind the Da Rong hole and is inserted in the trepanning, and the Xiao Rong hole on the drawing piece forms and inserts and puts in the down groove of this needle stand protruded stigma, and the firm down fastening of needle stand is positioned on the sleeve.

2, quick detachable syringe needle hemostix structure according to claim 1, it is characterized in that: these sleeve containing groove two side upper limb appropriate locations are formed with the protruding end to establishing in twos respectively relatively, and between two protruding ends, be formed with short slot, its two sides short slot mediad has the binding sheet, this two binding sheet also inwardly links the ring plate that is formed with an olive-type shape and hollow, hold the vacancy in these ring plate central authorities and form consistent empty appearance post downwards, and the vacancy forms a trepanning in this appearance post, also inwardly prominent establishing is formed with the down end in this Rong Zhu bottom, constitutes needle stand and the sheathed localized sleeve of test tube.

3, quick detachable syringe needle hemostix structure according to claim 1 is characterized in that: its groove of this containing groove lacks section can hold pommel formation vertical configuration with sleeve.

4, quick detachable syringe needle hemostix structure according to claim 1, it is characterized in that: this drawing piece is a rectangle lamellar body shape, in its lengthy motion picture body two sides formation curved arc shape and to having bead, and its curved arc bead just can be corresponding to the curved arc indentation, there of these sleeve containing groove two sides, be connected with in the drawing piece centre and be formed with a large and small appearance hole, and its part crossover forms the hole of calabash shape, sets up two projections relatively in this drawing piece top end face one side lateral border place; In parallel respectively two microscler ribs and the two inclined-planes awl piece of being equipped with of these Xiao Rong hole front end appropriate location two sides, the inboard bottom in the nearly Xiao Rong of this rib hole is formed with the inclined-plane, and the rib on its inclined-plane and part protrude in curved arc profile groove top, and the inclined-plane of this awl piece is towards curved arc profile groove place and outwards install, locate nearly outermost bead edge in this Xiao Rong hole and be formed with two strip projections, be equipped with a pyrometric cone piece respectively in the end face at nearly profile groove place, drawing piece lengthy motion picture body two side stage casings again, and the inclined-plane of this pyrometric cone piece is same as the bevel direction of rib, and finish end place in this pyrometric cone piece inclined-plane of these drawing piece two sides and inwardly be formed with groove, by replacing mutually of this projection and containing groove protruding end, with pyrometric cone piece the replacing of protruding end, limited two ends in short slot, this drawing piece slides in containing groove and can not deviate from this containing groove.

5, according to claim 1 or 4 described quick detachable syringe needle hemostix structures, it is characterized in that: the aperture in this Xiao Rong hole is big than the external diameter of needle stand bottom protruded stigma.

6, quick detachable syringe needle hemostix structure according to claim 1, it is characterized in that: appropriate location is provided with an inside profile groove in this drawing piece lengthy motion picture body two sides central authorities, and the outer shroud that this profile groove inwardly holds the hole with suitable distance along this Xiao Rong Kong Yuda encloses and is formed with curved arc profile groove and ring rib to its proximal end place.

7, quick detachable syringe needle hemostix structure according to claim 1 is characterized in that: be arranged with an elastic parts in this appearance column sleeve hole, its protruded stigma ring bead of this needle stand is arranged in and forms this elastic parts of extrusion in the trepanning on earth.

8, quick detachable syringe needle hemostix structure according to claim 1 is characterized in that: uses in this telescopic stiff end and is coated with the needle stand that the eccentric respectively group in two ends is provided with blood collection needles and piercing needle, and the setting of cooperation drawing piece.

9, quick detachable syringe needle hemostix structure according to claim 8 is characterized in that: be arranged with an elastic parts that the needle stand support can be flicked in this appearance column sleeve hole.

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