CN204813909U - Blood sampling ware - Google Patents
Blood sampling ware Download PDFInfo
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- CN204813909U CN204813909U CN201520322425.4U CN201520322425U CN204813909U CN 204813909 U CN204813909 U CN 204813909U CN 201520322425 U CN201520322425 U CN 201520322425U CN 204813909 U CN204813909 U CN 204813909U
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- blood
- needle
- syringe
- flexible pipe
- hose
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model belongs to the technical field of medical treatment machinery, concretely relates to blood sampling ware, including syringe cylinder, needle, and hose, hose end connect in the needle, other end sealing connection in the bottom import of syringe cylinder, still be equipped with control on the hose the hemostasis of hose break -make is pressed from both sides. The break -make of blood in the hose can be controlled to the hemostasis clamp that sets up on the hose, overcomes among the prior art hemostix to blood sampling volume unmanageable defect, when being convenient for change the cylinder in blood collection operation, blocks the circulation of blood in the hose, be close to the hose of needle one end in the blood velocity of flow stop, it flows to human to have prevented that the blood in the hose from refunding, arouses the defect that blood pollutes, also can not cause blood drippage from hose polluted environment that comes out, improves blood sampling efficiency on the whole.
Description
Technical field
This utility model relates to a kind of vein hemostix, belongs to technical field of medical treatment mechanical.
Background technology
At present, medical on market hemostix is generally disposable syringe or by blood taking needle and the supporting hemostix of negative-pressure vacuum pipe.Wherein, after disposable syringe blood sampling need blood to squeeze in test tube, easily by external environmental or cause blood coagulation, affect the testing result of subsequent blood, especially, when the more difficult blood sampling of child's venous blood collection, blood sampling time is longer, and blood is easier to be solidified in syringe; And blood taking needle and the supporting hemostix of negative-pressure vacuum pipe, in blood collection procedure, blood can flow directly in vacuum tube, but when taking a blood sample because different individual patients situation is different, the vacuum magnitude formed between human vas and vacuum tube is inconsistent, also this negative pressure uncontrollable, causes velocity of blood flow to be difficult to control, and blood sampling volume is easily inadequate or too much, overall blood sampling efficiency is low, for blood sampling person and patient all make troubles.
Chinese patent literature CN2484904Y discloses a kind of vein hemostix, comprise needle tubing and syringe needle, a short flexible pipe is connected between needle tubing with syringe needle, be provided with in the joint portion of syringe needle and short flexible pipe and pinch sheet, this hemostix is short hose connection owing to passing through between needle tubing and syringe needle, use hour hands flexible for first watch, blood sampling success rate is higher, but in blood collection procedure, when needle tubing changed by needs, in flexible pipe, the circulation of blood is difficult to control, blood easily drips contaminated environment from flexible pipe, also the blood in flexible pipe can be caused to refund simultaneously and flow to human body, cause blood infection, reduce the blood sampling efficiency of hemostix on the whole.
Summary of the invention
Therefore, the blood circulation that technical problem to be solved in the utility model is to overcome prior art medium-sized vein hemostix is difficult to control and the lower defect of blood sampling rate, thus provides the vein hemostix that a kind of blood circulation is controlled, blood sampling efficiency is high.
For this reason, this utility model provides a kind of vein hemostix, comprises injector syringe, pin, and flexible pipe, described flexible pipe one end is connected to described pin, the other end is sealedly attached to the bottom inlet of described injector syringe, described flexible pipe is also provided with the hemostatic clamp controlling described flexible pipe break-make.
Above-mentioned vein hemostix, described hemostatic clamp comprises the first flat intermediate plate, the second flat intermediate plate all in " S " type, and through the middle part of described first flat intermediate plate, described second flat intermediate plate by pin symmetrical hinged for two flat intermediate plates, one end of two flat intermediate plate homonymies forms clamping head, the other end forms Handheld Division, and is also provided with spring between the described Handheld Division of two flat intermediate plates, and the elastic force of described spring acts on Handheld Division described in two, Handheld Division described in two is opened, clamping head clamping described in two.
Above-mentioned vein hemostix, described pin is butterfly pin, described butterfly pin comprises needle stand, be fixed on the syringe needle of described needle stand one end, be fixed on the shank on the other end of described needle stand, described pin is connected with described flexible pipe one end away from described injector syringe by described shank, and described shank outer wall is also symmetrical arranged two pasters in butterfly-like.
Above-mentioned vein hemostix, described syringe needle is arranged with needle guard, is sealed in by described syringe needle in the cavity of described needle guard; Preset clearance between the sealed end of described needle guard and the needle tip of described syringe needle, the opening end face of described needle guard and described needle stand are away from a contacts side surfaces of described shank.
Above-mentioned vein hemostix, described needle guard is or/and the material of flexible pipe is any one in polypropylene, polyethylene, polystyrene, polyethylene terephthalate, polymethylpentene, poly-carbonic acid vinegar, polyacrylonitrile or ABS resin; Described syringe needle adopts stainless steel material to make.
Above-mentioned vein hemostix, the length of described flexible pipe is 5 ㎝-20 ㎝.
Above-mentioned vein hemostix, described injector syringe is piston type syringe, and the wall of described piston type syringe is carved with scale value; Bottom described injector syringe, insert anticoagulant, the amount of inserting of described anticoagulant is no more than 10% of blood sampling volume.
The vein hemostix that this utility model provides, compared with vein hemostix of the prior art, has the following advantages:
(1) vein hemostix that provides of this utility model, comprises injector syringe, pin, and flexible pipe, described flexible pipe one end is connected to described pin, and the other end is sealedly attached to the bottom inlet of described injector syringe, described flexible pipe is also provided with the hemostatic clamp controlling described flexible pipe break-make.The hemostatic clamp that flexible pipe is arranged can control the break-make of blood in flexible pipe, to overcome in prior art hemostix to the unmanageable defect of blood sampling volume, when being convenient to change syringe in blood collection procedure, block the circulation of flexible pipe inner blood, flexible pipe inner blood flow velocity near pin one end stops, and prevents the blood in flexible pipe to refund and flows to human body, cause the defect of blood contamination, also blood can not be caused from flexible pipe to drip out contaminated environment, improve blood sampling efficiency on the whole.
(2) vein hemostix that provides of this utility model, described pin adopts butterfly pin, in butterfly-like symmetrically arranged two pasters on the shank outer wall of butterfly pin, facilitates the hand-held blood taking needle of Nurses; The syringe needle bore of butterfly pin is little simultaneously, and not easily from human vas, slippage out, slows down the pain of person of blood collecting.
(3) vein hemostix that provides of this utility model, syringe needle is arranged with needle guard, described syringe needle is sealed in the cavity of described needle guard, the needle sting blood sampling person that leaks outside is prevented before blood sampling or after blood sampling, also prevent syringe needle from leaking outside in external environment to the pollution of syringe needle, in blood collection procedure, pollutant are brought in human body or the blood adopted, affect the testing result of subsequent blood.
(4) vein hemostix that provides of this utility model, described injector syringe is piston type syringe, and the wall of described piston type syringe is carved with scale value; Bottom described injector syringe, insert anticoagulant, the amount of inserting of described anticoagulant is no more than 10% of blood sampling volume.In syringe, insert a small amount of anticoagulant prevents blood sampling time long, and the phenomenon that anti-Hemostatic Oral Liquid solidifies in syringe occurs, and guarantees the effectiveness of taking a blood sample.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, this utility model is described in further detail, wherein
Fig. 1 is the structural representation of a kind of vein hemostix that embodiment 1 provides.
In figure, labelling is expressed as: 1-needle guard, 2-syringe needle, 3-needle stand, 4-shank, 5-paster, 6-flexible pipe, 7-hemostatic clamp, the flat intermediate plate of 71-first, the flat intermediate plate of 72-second, 73-spring, 8-injector syringe, 9-anticoagulant.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
embodiment 1
As shown in Figure 1, the present embodiment provides a kind of vein hemostix, comprises injector syringe 8, pin, and flexible pipe 6, described flexible pipe 6 one end is connected to described pin, the other end is sealedly attached to the bottom inlet of described injector syringe 8, described flexible pipe 6 is also provided with the hemostatic clamp 7 controlling described flexible pipe 6 break-make.
The vein hemostix of said structure, the hemostatic clamp 7 that flexible pipe 6 is arranged is convenient to the control to blood circulation in flexible pipe 6 in blood collection procedure, when in syringe 8, blood sampling volume reaches aequum, hemostatic clamp 7 is adopted to be blocked by blood circulation in flexible pipe 6, the timely quantity controlling blood sampling, avoids the phenomenon of too much taking a blood sample or taking a blood sample inadequate to occur; When needing to change syringe 8 in blood collection procedure simultaneously, blood circulation in flexible pipe 6 blocks by hemostatic clamp 7, flexible pipe 6 inner blood flow velocity near pin one end stops, prevent the blood in flexible pipe 6 from refunding and flow to human body, cause blood contamination, also blood can not be caused from flexible pipe 6 to drip out contaminated environment, and safety is high, improves blood sampling efficiency on the whole.In addition, to move or in Renewal process, described flexible pipe 6 plays cushioning effect at injector syringe 8, not easily directly drive pin slippage blood vessel, alleviate the pain of person of blood collecting in blood collection procedure.This hemostix is particularly useful for the blood sampling to child's blood sampling or peripheral blood chromosome, and degree of accuracy is high and safe and reliable.
Specifically, preferred described hemostatic clamp 7 comprises the flat intermediate plate 72 of the first flat intermediate plate 71, second all in " S " type, and through the middle part of described first flat intermediate plate 71, described second flat intermediate plate 72 by pin symmetrical hinged for two flat intermediate plates, one end of two flat intermediate plate homonymies forms clamping head, the other end forms Handheld Division, and be also provided with spring 73 between the described Handheld Division of two flat intermediate plates, the elastic force of described spring 73 acts on Handheld Division described in two, Handheld Division described in two is opened, clamping head clamping described in two.Wherein, described spring 73 is Compress Spring, and when spring 73 is in compressive state, described in two, clamping head unclamps, and in flexible pipe 6, blood is in circulation status; Release energy when spring 73 becomes relaxed state from compressive state, strut Handheld Division described in two, clamping head described in two steps up flexible pipe 6, blocks the circulation of blood in flexible pipe 6, be convenient to change syringe and control blood sampling volume number, improve blood sampling efficiency.
Except the hemostatic clamp 7 of said structure, described hemostatic clamp 7 can also for comprising the flat intermediate plate of two linear types, one end of two flat intermediate plate homonymies forms clamping head, the other end adopt pin or bolt symmetry hinged, after applying active forces to hinge two flat chucks together, make the clamping head of two flat chucks open or clamp, realize the control to blood circulation in flexible pipe 6.Described hemostatic clamp 7 can also be daily medical clip, as long as the clip circulation of blood in described flexible pipe 6 being carried out other structures controlled is all passable.
The pin of different structure or model can be chosen for the pin in vein hemostix, preferential employing butterfly pin, described butterfly pin specifically, comprise needle stand 3, be fixed on the syringe needle 2 of described needle stand 3 one end, be fixed on the shank 4 on the other end of described needle stand 3, described pin is connected with described flexible pipe 6 one end away from described injector syringe 8 by described shank 4, and described shank 4 outer wall is also symmetrical arranged two pasters 5 in butterfly-like.Butterfly pin is a kind of remaining needle, in butterfly-like symmetrically arranged two pasters 5 on the outer wall of its shank 4, facilitate the hand-held blood taking needle of Nurses, especially when once not pricking accurate vein, can be regulated the angle direction of syringe needle 2 by paster 5, convenient operation, and syringe needle 2 bore of butterfly pin is little, after penetrating human vas, not easily from human vas, slippage out, slows down the pain of person of blood collecting.
Further, described syringe needle 2 is arranged with needle guard 1, described syringe needle 2 is sealed in the cavity of described needle guard 1; Preset clearance between the sealed end of described needle guard 1 and the needle tip of described syringe needle 2, the opening end face of described needle guard 1 and described needle stand 3 are away from a contacts side surfaces of described shank 4.Described needle guard 1 prevents the syringe needle 2 leaked outside from stabbing blood sampling person before blood sampling or after blood sampling, also prevents syringe needle 2 from leaking outside to the pollution of syringe needle 2 in external environment, is brought into by pollutant in human body or the blood adopted, affect the testing result of subsequent blood in blood collection procedure.
Preferably, described needle guard 1 adopts hard medical plastic to make, and is specially polypropylene material; For the ease of processing and manufacturing, hard medical plastic is also adopted by described flexible pipe 6 to make, preferably polypropylene material; Described syringe needle 2 adopts medical stainless steel material to make, such as nickel Lip river stainless steel material, high-nitrogen nickel-free stainless steel material etc.Usually by flexible pipe 6, syringe needle 2 and needle guard 1 through injection moulding integrated molding.In addition, the material of described needle guard 1 or flexible pipe 6 can also be polyethylene, polystyrene, polyethylene terephthalate, polymethylpentene, poly-carbonic acid vinegar, polyacrylonitrile or ABS resin etc., the preferential choice of material by described needle guard 1 and flexible pipe 6 is same hard medical plastic, and different hardness medical plastic can certainly be adopted to make.
More excellent, the length of described flexible pipe 6 is 10cm, can also be 5 ㎝, 7 ㎝, 20 ㎝ etc., and in actual blood collection procedure, the length of flexible pipe 6 is primarily of blood sampling volume, and the size of syringe is determined.If blood sampling volume is many, corresponding syringe is also large, and the flexible pipe 6 of employing is also relatively long, but the length of flexible pipe 6 is not easily long, and long words easily cause blood to solidify in flexible pipe 6, thus usually by the cut to lengthen of flexible pipe 6 between 5 ㎝-20 ㎝.
Described injector syringe 8 preferably adopts piston type syringe, and the wall of described piston type syringe is carved with scale value; In order to prevent blood sampling time longer, there is solidification phenomenon in blood in injector syringe 8, preferably bottom described injector syringe 8, inserts anticoagulant 9, and the amount of inserting of described anticoagulant 9 is no more than 10% of blood sampling volume.When the adding of anticoagulant 9 guaranteeing that blood sampling time is longer, the blood adopted or effective, avoids repeating blood sampling, waste blood.Specifically, when doing blood routine examination, anticoagulant 9 preferably adopts EDTA, and the concentration that general every 5ml blood adds 0.04ml is 15%EDTA solution; If when doing the inspection such as blood clotting, erythrocyte sedimentation rate, the anticoagulant 9 of employing is sodium citrate, and the volume ratio of its consumption and blood is 1:9; If when doing peripheral blood chromosome inspection, the anticoagulant 9 of employing is heparin, and the volume ratio of its consumption and blood is 1:9.
The vein hemostix that the present embodiment provides, in blood collection procedure, first blood sampling volume is determined, needle guard 1 is unloaded, syringe needle 2 is penetrated in the vein blood vessel of human body, by being pulled outwardly the piston rod of piston type syringe, by the blood of human body through syringe needle 2, flexible pipe 6 arrives injector syringe 8, when blood sampling volume reaches the scale of the aequum on injector syringe 8 wall or when need change injector syringe 8, by hemostatic clamp 7 grip both hose 6, block the circulation of blood in flexible pipe 6, realize the control to blood sampling volume in blood collection procedure or replacing syringe, if when blood collection procedure is long, first in the bottom of injector syringe 8, blood anticoagulant 9 is inserted, carry out blood collection procedure again.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that this utility model creates.
Claims (7)
1. a vein hemostix, comprise injector syringe (8), pin, and flexible pipe (6), described flexible pipe (6) one end is connected to described pin, the other end is sealedly attached to the bottom inlet of described injector syringe (8), it is characterized in that: described flexible pipe (6) is also provided with the hemostatic clamp (7) controlling described flexible pipe (6) break-make.
2. a kind of vein hemostix according to claim 1, it is characterized in that: described hemostatic clamp (7) comprises the first flat intermediate plate (71) all in " S " type, second flat intermediate plate (72), and through described first flat intermediate plate (71), the middle part of described second flat intermediate plate (72) is by pin symmetrical hinged for two flat intermediate plates, one end of two flat intermediate plate homonymies forms clamping head, the other end forms Handheld Division, and be also provided with spring (73) between the described Handheld Division of two flat intermediate plates, the elastic force of described spring (73) acts on Handheld Division described in two, Handheld Division described in two is opened, clamping head clamping described in two.
3. vein hemostix according to claim 1 and 2, it is characterized in that: described pin is butterfly pin, described butterfly pin comprises needle stand (3), be fixed on the syringe needle (2) of described needle stand (3) one end, be fixed on the shank (4) on the other end of described needle stand (3), described pin is connected with described flexible pipe (6) one end away from described injector syringe (8) by described shank (4), and described shank (4) outer wall is also symmetrical arranged two pasters (5) in butterfly-like.
4. a kind of vein hemostix according to claim 3, is characterized in that: described syringe needle (2) is arranged with needle guard (1), is sealed in the cavity of described needle guard (1) by described syringe needle (2); Preset clearance between the sealed end of described needle guard (1) and the needle tip of described syringe needle (2), the opening end face of described needle guard (1) and described needle stand (3) are away from a contacts side surfaces of described shank (4).
5. a kind of vein hemostix according to claim 4, is characterized in that: described needle guard (1) is or/and the material of flexible pipe (6) is any one in polypropylene, polyethylene, polystyrene, polyethylene terephthalate, polymethylpentene, poly-carbonic acid vinegar, polyacrylonitrile or ABS resin; Described syringe needle (2) adopts stainless steel material to make.
6. a kind of vein hemostix according to claim 1 and 2, is characterized in that: the length of described flexible pipe (6) is 5 ㎝-20 ㎝.
7. a kind of vein hemostix according to claim 1 and 2, is characterized in that: described injector syringe (8) is piston type syringe, and the wall of described piston type syringe is carved with scale value; Insert anticoagulant (9) in described injector syringe (8) bottom, the amount of inserting of described anticoagulant (9) is no more than 10% of blood sampling volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322425.4U CN204813909U (en) | 2015-05-19 | 2015-05-19 | Blood sampling ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322425.4U CN204813909U (en) | 2015-05-19 | 2015-05-19 | Blood sampling ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204813909U true CN204813909U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520322425.4U Expired - Fee Related CN204813909U (en) | 2015-05-19 | 2015-05-19 | Blood sampling ware |
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| Country | Link |
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| CN (1) | CN204813909U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108378857A (en) * | 2018-04-13 | 2018-08-10 | 曹耀锋 | A kind of automatic safe hemostix |
| CN109199405A (en) * | 2018-07-05 | 2019-01-15 | 南方医科大学南方医院 | blood taking needle |
-
2015
- 2015-05-19 CN CN201520322425.4U patent/CN204813909U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108378857A (en) * | 2018-04-13 | 2018-08-10 | 曹耀锋 | A kind of automatic safe hemostix |
| CN109199405A (en) * | 2018-07-05 | 2019-01-15 | 南方医科大学南方医院 | blood taking needle |
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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: 20151202 Termination date: 20160519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |