CN203885505U - Venous indwelling channel hemostix - Google Patents
Venous indwelling channel hemostix Download PDFInfo
- Publication number
- CN203885505U CN203885505U CN201420169717.4U CN201420169717U CN203885505U CN 203885505 U CN203885505 U CN 203885505U CN 201420169717 U CN201420169717 U CN 201420169717U CN 203885505 U CN203885505 U CN 203885505U
- Authority
- CN
- China
- Prior art keywords
- syringe
- joint
- blood
- venous indwelling
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000004369 blood Anatomy 0.000 claims abstract description 64
- 239000008280 blood Substances 0.000 claims abstract description 64
- 210000003462 vein Anatomy 0.000 claims abstract description 5
- 210000002445 nipple Anatomy 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 238000010241 blood sampling Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 208000028399 Critical Illness Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000642 iatrogenic effect Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 210000005259 peripheral blood Anatomy 0.000 description 1
- 239000011886 peripheral blood Substances 0.000 description 1
- 230000003836 peripheral circulation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
本实用新型公开了一种静脉留置通路采血器，包括并列而设的第一注射器和第二注射器，所述第一注射器和第二注射器通过一个三通开关与采血针和接头相连。所述三通开关包括外壳以及一个设置在外壳内的转换阀，通过转换阀的转换可实现接头与第一注射器、第二注射器以及采血针之间的无缝连接，从而达到简化采血操作步骤、减少血液浪费的目的。
The utility model discloses a blood collection device for indwelling veins, which comprises a first syringe and a second syringe arranged side by side, and the first syringe and the second syringe are connected with a blood collection needle and a joint through a three-way switch. The three-way switch includes a housing and a switching valve arranged in the housing, through which the switching of the switching valve can realize the seamless connection between the connector and the first syringe, the second syringe and the blood collection needle, thereby simplifying the blood collection operation steps, The purpose of reducing blood waste.
Description
Technical field
This utility model belongs to medical instruments field, relates in particular to a kind of venous indwelling path hemostix.
Background technology
Clinically, it is an important diagnosis and state of an illness basis for estimation, especially critically ill patient that Blood of Patients specimen is tested, and for accurately grasping patient's change of illness state, adjusts treatment measure in good time, often needs timing blood sampling to check.At present clinical adopt again obtains blood specimen to the way of patient's systemic vein puncture blood collecting more, for critically ill patient, have venous indwelling path patient and peripheral circulation not good enough, the patient who does not possess periphery tip blood sampling condition often adopts existing venous indwelling path, uses multiple blood collection needles.Concrete grammar is: use three syringes.After venous indwelling path joint is carried out disinfection, extract the liquid that is greater than twice venous indwelling path volume out by first injection emitter, discard (therefore section liquid may contain the other drugs such as heparin that tube sealing uses, and the risk of germ contamination, should not refill venous indwelling path); Connect second syringe, extract 5-10ml liquid and be placed in (for the residual a small amount of tube sealing solution of venous indwelling path is drawn out of as much as possible, in order to avoid affect the assay of blood specimen) on one side; Connect the 3rd syringe, extract needed blood preparation, inject in blood taking tube; Again connect again second syringe, the 5-10ml liquid of just having extracted out is injected to venous indwelling path.Finally connect transfusion device and continue infusion treatment.Sometimes in order to simplify the operation, first injection emitter is extracted to 5-10ml liquid and discard, more directly extract blood specimen with a syringe, so can cause iatrogenic loss to patient body's inner blood, affect patient's prognosis.
There are some researches prove, the blood specimen gathering by venous indwelling path when method is proper is consistent with periphery peripheral blood specimen check result, therefore can pass through venous indwelling path blood sample collection.And current taked measure has the following disadvantages: repeatedly change the joint of venous indwelling path and syringe, polluting risk increases, increase the open probability polluting of whole device in whole operating process.As reduce by a step, and will cause the iatrogenic loss of patient body's inner blood, lose ethics and patient's curative effect.Process complexity, consuming time longer, affect other work of nurse.Process complexity, consumes more medical supplies.Based on more than, be necessary that utility model is a kind of specially for the hemostix of venous indwelling path blood sampling, make simplified control, science, safety.
Utility model content
For prior art above shortcomings, the problem that this utility model solves is: a kind of simplified operation step is provided, reduces the venous indwelling path blood sampling that blood is wasted.
A kind of venous indwelling path hemostix, comprises the first syringe and the second syringe established side by side, and described the first syringe is connected with joint with blood taking needle by a three-way cock with the second syringe.
Preferably, described three-way cock comprises shell and setting switching valve in the enclosure, is provided with a first passage and a second channel in described switching valve, and the axis structure of described first passage and second channel is in 90 °.
Preferably, the shell of described three-way cock is provided with four outlets, wherein the first outlet outfan is connected with described the first syringe, the outfan of the second outlet is connected with described the second syringe, the outfan of the 3rd outlet is connected with described blood taking needle, the outfan of the 4th outlet is connected with described joint, and the input of the 4th outlet is connected with the first passage in described switching valve.
Preferably, described three-way cock is provided with a switch knob, and described switch knob is parallel with described second channel and establish and its one end is arranged in described switching valve, and the other end extends to outside the shell of described three-way cock.
Preferably, offer one slotted eye on the shell on described three-way cock, the movement locus of the position of described slotted eye and length and described switch knob coincide.
Preferably, when described switch knob direction is upwards time, described joint is communicated with described the first syringe; When described switch knob direction is to the right time, described joint is communicated with described the second syringe; When described switch knob direction is downward, described joint is communicated with blood taking needle.
Preferably, the needle nipple size of the inside dimension of described joint and described first, second syringe is coincide, the internal coiling design that the outside of described joint is needleless joint.
Preferably, the outside of described blood taking needle is provided with and has elastic protector.
Compared with prior art, the utlity model has following advantage:
(1) function for multiple devices in device sets traditional method completes tube sealing operation simultaneously, and the step that simplifies the operation, saves operating time and nurses manpower cost;
(2) whole device operates in the environment of sealing, and the number of times that opening is polluted drops to minimum, increases patient's safety, prevention infection;
(3) farthest reduce the blood waste of patient in blood collection procedure;
(4) use of minimizing medical supplies, reduction expense;
(5) avoid repeated puncture, reduce patient's misery.
Brief description of the drawings
For the technical scheme in this utility model embodiment is more clearly described, to the accompanying drawing of required use in embodiment be introduced simply below, apparently, the accompanying drawing the following describes is only some embodiment that record in this utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overall structure schematic diagram of this utility model venous indwelling path hemostix;
Fig. 2 is the structural representation of three-way cock in this utility model venous indwelling path hemostix;
Fig. 3 is the structural representation of switching valve in this utility model three-way cock.
Wherein:
1, the first syringe; 2, the second syringe; 3, blood taking needle;
4, three-way cock; 41, switch knob; 42, switching valve;
421, first passage; 422, second channel; 43, shell;
431, the first outlet; 432, the second outlet; 433, the 3rd outlet;
434, the 4th outlet; 5, joint.
Detailed description of the invention
To be clearly and completely described the technical solution of the utility model by detailed description of the invention below.Obviously, described embodiment is only this utility model part embodiment, instead of whole embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of this utility model protection.
A kind of venous indwelling path hemostix, comprises the first syringe 1 and the second syringe 2 established side by side, and described the first syringe 1 is connected with joint 5 with blood taking needle 3 by a three-way cock 4 with the second syringe 2.
Wherein three-way cock 4 comprises shell 43 and a switching valve 42 being arranged in shell 43, in this switching valve 42, be provided with a first passage 421 and a second channel 422, axis structure angle in 90 ° and the first passage 421 of first passage 421 and second channel 422 are communicated with second channel 422.Preferably this switching valve 42 is spherical.
The shell 43 of three-way cock 4 is provided with four outlets, wherein the outfan of the first outlet 431 is connected with above-mentioned the first syringe 1, the outfan of the second outlet 432 is connected with the second syringe 2, the outfan of the 3rd outlet 433 is connected with above-mentioned blood taking needle 3, and the outfan of the 4th outlet 434 is connected with above-mentioned joint 5.Preferably, the 4th outlet 434 the input all the time first passage 421 in above-mentioned switching valve 42 connects, thereby makes second channel 422 can do taking first passage 421 as axle 360 ° of rotations.
Three-way cock 4 is provided with a switch knob 41, and this switch knob 41 is parallel with above-mentioned second channel 422 and establish and its one end is arranged in described switching valve 42, and the other end extends to outside the shell 43 of described three-way cock 4.Accordingly, on the shell 43 of above-mentioned three-way cock 4, offer slotted eye one, the movement locus of the position of this slotted eye and length and above-mentioned switch knob 41 matches.
When above-mentioned switch knob 41 rotates to direction upwards time, above-mentioned joint is communicated with the first passage by switching valve 421 and second channel 422 with the first syringe 1; When above-mentioned switch knob 41 rotates to direction to the right time, above-mentioned joint is communicated with the first passage by switching valve 42 421 and second channel 422 with the second syringe 2; When above-mentioned switch knob 41 rotates when downward to direction, above-mentioned joint 5 is communicated with the first passage by switching valve 42 421 and second channel 422 with blood taking needle 3.Therefore the span of above-mentioned slotted eye is at least 270 °.
Preferably, the needle nipple size of the inside dimension of joint 5 and described first, second syringe is coincide, the internal coiling design that the outside of this joint 5 is needleless joint.
Preferably, the outside of blood taking needle 3 is the protector with elastical retraction function, can prevent after blood taking needle before use contaminated.
In infusion process, take a blood sample, after blood sampling, continue transfusion: when use, the joint of this utility model device 5 can be directly connected on the venous indwelling path joint after sterilization, blood taking tube is connected with blood taking needle 3, three-way cock handle 41 directions are adjusted to upwards, joint 5 communicates with the first syringe 1, and suction the first syringe 1 is to venous indwelling path volume twice, three-way cock handle 41 directions are adjusted to the right, joint 5 communicates with the second syringe 2, aspirate the second syringe 2 to 5～10ml, three-way cock handle 41 directions are adjusted to downwards, joint 5 communicates with blood taking needle 3, there is negative pressure because of in the blood taking tube being connected with blood taking needle 3, blood specimen enters in blood taking tube automatically, during to appropriate amount, three-way cock handle 41 directions are adjusted to and all disconnected positions of above-mentioned four outlets, change blood taking tube, again three-way cock handle 41 directions are regulated downwards, so repeatedly after exhausting last pipe blood, three-way cock handle 41 directions are adjusted to the right, blood in the second syringe 2 is noted back in venous indwelling path, dividing vein indwelling path hemostix and venous indwelling path joint, venous indwelling path joint is connected to upper transfusion device transfusion, complete blood sampling operation.
This utility model can also have following using method: in intermittently blood sampling of transfusion, after blood sampling, do not infuse: the first syringe 1 is filled with to washing pipe liquid (generally use normal saline appropriate) in advance.When use, joint 5 can be connected on the venous indwelling path joint after sterilization, blood taking tube is connected with blood taking needle 3, three-way cock handle 41 directions are adjusted to the right, joint 5 communicates with the second syringe 2, aspirate the second syringe 2 to 5～10ml, three-way cock handle 41 directions are adjusted to downwards, joint 5 communicates with blood taking needle 3, there is negative pressure because of in the blood taking tube being connected with blood taking needle 3, blood specimen enters in blood taking tube automatically, during to appropriate amount, three-way cock handle 41 directions are adjusted to left, change blood taking tube, again three-way cock handle 41 directions are regulated downwards, so repeatedly after exhausting last pipe blood, three-way cock handle 41 directions are adjusted to upwards, the washing pipe liquid pulsed of preliminary filling in the first syringe 1 is pushed back in venous indwelling path, play washing pipe tube sealing effect.Dividing vein indwelling path hemostix and venous indwelling path joint, complete blood sampling operation.
The utility model discloses a kind of venous indwelling path hemostix, compared with prior art, the utlity model has following advantage:
(1) function for multiple devices in device sets traditional method completes tube sealing operation simultaneously, and the step that simplifies the operation, saves operating time and nurses manpower cost;
(2) whole device operates in the environment of sealing, and the number of times that opening is polluted drops to minimum, increases patient's safety, prevention infection;
(3) farthest reduce the blood waste of patient in blood collection procedure;
(4) use of minimizing medical supplies, reduction expense;
(5) avoid repeated puncture, reduce patient's misery.
To those skilled in the art, obviously this utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or basic feature, can realize this utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in this utility model.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169717.4U CN203885505U (en) | 2014-04-09 | 2014-04-09 | Venous indwelling channel hemostix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169717.4U CN203885505U (en) | 2014-04-09 | 2014-04-09 | Venous indwelling channel hemostix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203885505U true CN203885505U (en) | 2014-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420169717.4U Expired - Fee Related CN203885505U (en) | 2014-04-09 | 2014-04-09 | Venous indwelling channel hemostix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203885505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103876752A (en) * | 2014-04-09 | 2014-06-25 | 苏州大学 | Venous indwelling channel hemostix |
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2014
- 2014-04-09 CN CN201420169717.4U patent/CN203885505U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103876752A (en) * | 2014-04-09 | 2014-06-25 | 苏州大学 | Venous indwelling channel hemostix |
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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: 20141022 Termination date: 20170409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |