CN217471949U - Arterial blood collecting device integrated with three-way valve - Google Patents
Arterial blood collecting device integrated with three-way valve Download PDFInfo
- Publication number
- CN217471949U CN217471949U CN202220123421.3U CN202220123421U CN217471949U CN 217471949 U CN217471949 U CN 217471949U CN 202220123421 U CN202220123421 U CN 202220123421U CN 217471949 U CN217471949 U CN 217471949U
- Authority
- CN
- China
- Prior art keywords
- way valve
- blood
- needle
- auxiliary
- transparent sheath
- 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.)
- Active
Links
Images
Abstract
The utility model relates to the field of medical supplies. The arterial blood collection device integrated with the three-way valve comprises an injector stored with anticoagulant, wherein an injection port of the injector is connected with a first interface of the three-way valve, a second interface of the three-way valve is connected with an auxiliary blood taking needle, a third interface of the three-way valve is in butt joint and conduction with a needle head of the injector, and the first interface and the third interface of the three-way valve are arranged oppositely; the periphery of the auxiliary blood taking needle is sleeved with a rubber sleeve; a transparent sheath is sleeved on the periphery of the joint of the auxiliary blood taking needle and the three-way valve, and the inner diameter of the transparent sheath is larger than the outer diameter of the blood taking tube; the axial length of the rubber sleeve positioned in the transparent sheath is less than that of the transparent sheath. The utility model discloses a three-way valve has avoided the problem of puncturing repeatedly. Through the switching of the three-way valve, the collection of arterial blood and qi analysis samples and the collection of blood routine, liver and kidney function electrolytes, blood coagulation and other blood detection indexes are convenient to realize.
Description
Technical Field
The utility model relates to the field of medical supplies, concretely relates to arterial blood collection system.
Background
The arterial blood gas analysis has important significance for clinically guiding oxygen therapy to adjust various parameters of mechanical ventilation, correcting acid-base and electrolyte imbalance and the like. The arterial blood sample collection method has important influence on the blood gas analysis result, and the main influence factors include whether the sampling process and the later-stage examination are isolated from air, whether blood coagulation is carried out or not, and the like.
At present, when blood gas analysis is performed on arterial blood, the arterial blood is collected by using an injector with anticoagulant in a needle cylinder. When a patient needs to collect an arterial blood gas analysis sample and blood examination indexes such as blood routine, liver and kidney function electrolytes, blood coagulation and the like, the patient needs to puncture and take the sample respectively. For patients with critical conditions, common artery and vein conditions and need to repeatedly draw blood, repeated puncture not only brings great pain to the patients, but also may even induce serious complications such as pseudoaneurysm, infection and the like due to improper operation.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides an integrated arterial blood collection system who has the three-way valve has solved above-mentioned at least one technical problem.
The technical scheme of the utility model is that: the arterial blood collection device integrated with the three-way valve comprises an injector stored with anticoagulant, and is characterized in that an injection port of the injector is connected with a first port of the three-way valve, a second port of the three-way valve is connected with an auxiliary blood taking needle, a third port of the three-way valve is in butt joint with a needle head of the injector, and the first port and the third port of the three-way valve are arranged oppositely;
a rubber sleeve is sleeved on the periphery of the auxiliary blood taking needle;
a transparent sheath is sleeved on the periphery of the joint of the auxiliary blood taking needle and the three-way valve, and the inner diameter of the transparent sheath is larger than the outer diameter of the blood taking tube;
the axial length of the rubber sleeve positioned in the transparent sheath is smaller than that of the transparent sheath.
The utility model discloses a three-way valve has avoided the problem of puncturing repeatedly. Through the switching of the three-way valve, the collection of arterial blood and qi analysis samples and the collection of blood routine, liver and kidney function electrolytes, blood coagulation and other blood detection indexes are convenient to realize. When a patient needs to collect arterial blood gas analysis and other blood test samples at the same time, other samples should be collected preferentially to prevent the blood contacted with the anticoagulant in the needle cylinder from being collected into other blood test samples, so that the test result is influenced.
When blood test indexes such as liver and kidney function electrolyte, blood coagulation need to be gathered, the three-way valve is adjusted to be the syringe needle and is switched on with supplementary blood taking needle, then, offsets heparin tube and supplementary blood taking needle, and supplementary blood taking needle passes behind the rubber sleeve, pierces in the rubber buffer of heparin tube, with blood water conservancy diversion to in the heparin tube. After the blood collection of the blood collection tube is finished, the blood collection tube is withdrawn, the rubber sleeve is reset, and the auxiliary blood collection needle is protected and blocked. Rubber sleeve and transparent sheath have realized preventing the dual protection of mistake thorn to supplementary blood taking needle, and the transparent sleeve is convenient for observe the blood sampling condition of heparin tube in real time.
Further preferably, the needle device further comprises an auxiliary needle cap, the auxiliary needle cap comprises a rubber block, a metal sheet is fixed to the lower side of the rubber block, and an identification layer is printed on the upper side of the rubber block.
The rubber block is inserted with the syringe needle after being convenient for to blood sampling to the syringe needle that prevents the syringe needle puncture rubber cap and leads to the nurse to take place the acupuncture and hinder, also can avoid the air admission cylinder and influence the testing result simultaneously. The identification layer is convenient for nurses to quickly and accurately identify the placing and pricking directions.
Further preferably, a sealing sleeve is detachably connected to the end part, far away from the three-way valve, of the transparent sheath.
The insertion of the blood sampling tube is convenient.
Further preferably, the transparent sheath is in threaded connection with the three-way valve. The transparent sheath can be detached conveniently. Or the transparent sheath is fixedly connected with the three-way valve.
Further preferably, the injection device further comprises a blocking cap, and the blocking cap is provided with an internal thread matched with the external thread of the needle cylinder of the injector.
The needle cylinder is convenient to be disconnected and then connected with the plugging cap for plugging.
Further preferably, the open end of the rubber sleeve is fixed with the outer wall of the auxiliary blood taking needle in an adhesive manner.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 3 is a sectional view of an auxiliary blood taking needle cover of the embodiment 1 of the present invention provided with a rubber sleeve;
FIG. 4 is another cross-sectional view of the auxiliary blood taking needle cover of the embodiment 1 of the present invention with a rubber sleeve;
fig. 5 is a schematic structural view of an auxiliary needle cap according to embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of embodiment 2 of the present invention.
In the drawings, the reference numbers: 1 is an injector, 2 is an injector needle, 3 is a three-way valve, 4 is a transparent sheath, 5 is an auxiliary blood taking needle, 6 is a rubber sleeve, 7 is an auxiliary needle cap, 51 is an external convex part, and 71 is a metal sheet.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 4, the arterial blood collection device integrated with a three-way valve includes an injector 1 storing anticoagulant, and is characterized in that an injection port of the injector 1 is connected to a first port of the three-way valve 3, a second port of the three-way valve 3 is connected to an auxiliary blood collection needle 5, and a third port of the three-way valve 3 is in butt joint with an injector needle 2; the first port of the three-way valve 3 is arranged opposite to the third port of the three-way valve. The three-way valve is a medical three-way valve. The conduction of the two interfaces is adjusted by a knob of the medical three-way valve.
The periphery of the auxiliary blood taking needle 5 is sleeved with a rubber sleeve 6. The opening end of the rubber sleeve 6 is fixed with the outer wall of the auxiliary blood taking needle 5 in an adhesive way. Alternatively, referring to fig. 4, the rear end of the rubber boot 6 is provided with an annular protrusion. The auxiliary blood taking needle 5 is provided with two adjacent limiting bulges, and a gap between the two limiting bulges is used for being embedded into the annular bulge. Alternatively, referring to fig. 3, the auxiliary blood taking needle 5 is provided with an outer convex portion 51 on the side away from the needle tip, and the open end of the rubber sleeve 6 is sleeved on the outer convex portion 51. The inner diameter of the rubber sleeve 6 is smaller than the outer diameter of the convex part. The rubber sleeve 6 is convenient to be tensioned and fixed on the auxiliary blood taking needle 5. The thickness of the rubber sleeve is 1 mm. The rubber sleeve with the thickness range is easy to rebound and high in breaking strength after being verified.
The periphery of the butt joint of the auxiliary blood taking needle 5 and the three-way valve 3 is sleeved with a transparent sheath 4, and the inner diameter of the transparent sheath 4 is larger than the outer diameter of the blood taking tube. The transparent sheath 4 is in threaded connection with the three-way valve 3. The detachability of the transparent sheath 4 is facilitated. The transparent sheath is connected with the second connector of the three-way valve in a detachable mode. The transparent sheath is made of plastic.
The rubber sleeve 6 is located within the transparent sheath 4 with an axial length less than the axial length of the transparent sheath 4.
The utility model discloses a three-way valve 3 has avoided the problem of puncturing repeatedly. Through the switching of the three-way valve 3, the collection of arterial blood gas analysis samples and the collection of blood routine, liver and kidney function electrolytes, blood coagulation and other blood test indexes are convenient to realize. When a patient needs to collect arterial blood gas analysis and other blood test samples at the same time, other samples should be collected preferentially to prevent the blood contacted with the anticoagulant in the needle cylinder from being collected into other blood test samples, so that the test result is influenced.
When blood detection indexes such as liver and kidney function electrolyte, blood coagulation need to be gathered, the three-way valve 3 is adjusted to be the syringe needle 2 and is conducted with the auxiliary blood taking needle 5, then, offsets the blood collecting tube and the auxiliary blood taking needle 5, and the auxiliary blood taking needle 5 penetrates into the rubber plug of the blood collecting tube after passing through the rubber sleeve 6, and the blood is guided to the blood collecting tube. After the blood collection of the blood collection tube is finished, the blood collection tube is withdrawn, the rubber sleeve 6 is reset, and the auxiliary blood collection needle 5 is also blocked for protection. The rubber sleeve 6 and the transparent sheath 4 realize the double protection of the auxiliary blood taking needle 5 against the accidental puncture.
Referring to fig. 5, the needle cap 7 further comprises an auxiliary needle cap 7, the auxiliary needle cap 7 comprises a rubber block, a metal sheet 71 is fixed on the lower side of the rubber block, and an identification layer is printed on the upper side of the rubber block. The rubber block is inserted with the syringe needle after being convenient for to blood collection to the syringe needle of blood taking needle punctures supplementary needle cap and leads to the nurse to take place the acupuncture and hinder, also can avoid the air admission cylinder to influence the testing result simultaneously. The identification layer is convenient for nurses to quickly and accurately identify the placing and pricking directions.
Also comprises a plugging cap which is provided with an internal thread matched with the external thread of the needle cylinder. The needle cylinder is convenient to be disconnected, and the auxiliary needle cap is used for plugging.
The utility model discloses a theory of operation:
when needing to gather blood test indexes such as artery blood gas analysis sample and blood conventionality, liver and kidney merit electrolyte, at first, adjust three-way valve 3 for syringe needle 2 and supplementary blood taking needle 5 switch on, then, offset heparin tube and supplementary blood taking needle 5, supplementary blood taking needle 5 passes behind the rubber sleeve 6, pierces in the rubber buffer of heparin tube, with blood water conservancy diversion to in the heparin tube. After the blood collection of the blood collection tube is finished, the blood collection tube is withdrawn, the rubber sleeve 6 is reset, and the auxiliary blood collection needle is protected. The rubber sleeve 6 and the transparent sheath 4 realize the double protection of the auxiliary blood taking needle 5 against the accidental puncture.
Then the three-way valve is rotated until the syringe needle is communicated with the syringe, and the arterial blood gas analysis sample is collected. In emergency, after blood collection, the needle of the syringe can be directly inserted into the auxiliary needle cap for arterial blood gas detection. When the time allows, also can break off from the cylinder to link to each other cylinder and shutoff cap, carry out artery blood gas and detect, reduce and carry the syringe needle and shift the blood gas sample in-process and lead to the cylinder roll-off, stab nurse's hidden danger.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The arterial blood collection device integrated with the three-way valve comprises an injector stored with anticoagulant, and is characterized in that an injection port of the injector is connected with a first interface of the three-way valve, a second interface of the three-way valve is connected with an auxiliary blood taking needle, a third interface of the three-way valve is in butt joint and conduction with a needle head of the injector, and the first interface and the third interface of the three-way valve are arranged oppositely;
a rubber sleeve is sleeved on the periphery of the auxiliary blood taking needle;
a transparent sheath is sleeved on the periphery of the joint of the auxiliary blood taking needle and the three-way valve, and the inner diameter of the transparent sheath is larger than the outer diameter of the blood taking tube;
the axial length of the rubber sleeve positioned in the transparent sheath is smaller than that of the transparent sheath.
2. The three-way valve integrated arterial blood collection device according to claim 1, wherein: still include an auxiliary needle cap, auxiliary needle cap includes the block rubber, the downside of block rubber is fixed with the sheetmetal, the upside printing of block rubber has the identification layer.
3. The three-way valve integrated arterial blood collection device according to claim 1, wherein: the end part of the transparent sheath far away from the three-way valve is detachably connected with a sealing sleeve.
4. The three-way valve integrated arterial blood collection device according to claim 1, wherein: the injection syringe further comprises a plugging cap, and the plugging cap is provided with an internal thread matched with the external thread of the syringe of the injector.
5. The three-way valve integrated arterial blood collection device according to claim 1, wherein: the transparent sheath is in threaded connection with the three-way valve.
6. The three-way valve integrated arterial blood collection device according to claim 1, wherein: the transparent sheath is fixedly connected with the three-way valve.
7. The three-way valve integrated arterial blood collection device according to claim 1, wherein: the opening end of the rubber sleeve is fixed with the outer wall of the auxiliary blood taking needle in an adhesive mode.
8. The three-way valve integrated arterial blood collection device according to claim 1, wherein: the thickness of rubber sleeve is 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220123421.3U CN217471949U (en) | 2022-01-18 | 2022-01-18 | Arterial blood collecting device integrated with three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220123421.3U CN217471949U (en) | 2022-01-18 | 2022-01-18 | Arterial blood collecting device integrated with three-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217471949U true CN217471949U (en) | 2022-09-23 |
Family
ID=83305393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220123421.3U Active CN217471949U (en) | 2022-01-18 | 2022-01-18 | Arterial blood collecting device integrated with three-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217471949U (en) |
-
2022
- 2022-01-18 CN CN202220123421.3U patent/CN217471949U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2359528A1 (en) | Apparatus for obtaining liquid samples | |
| CN205549084U (en) | Split type blood drainage ware of drawing blood of multichannel | |
| CN217471949U (en) | Arterial blood collecting device integrated with three-way valve | |
| CN210784375U (en) | Venous blood collection anti-reflux device and blood taking needle | |
| CN111166278A (en) | Endoscope sleeve | |
| CN213696933U (en) | Needle is kept somewhere in blood sampling of vein | |
| CN211324865U (en) | Endoscope sleeve | |
| CN107157495A (en) | A kind of anti-rebound needle holder | |
| CN209474628U (en) | Vacuum blood sampler is used in invasive arterial pressure monitoring | |
| CN106974663A (en) | Multi-functional remaining needle | |
| CN208677410U (en) | Disposable safety type blood-taking needle | |
| CN217338588U (en) | Blood sampling device | |
| CN214911774U (en) | Remaining needle with blood sampling function | |
| CN219558253U (en) | Abdominal penetration drawing injection needle sleeve | |
| CN211609808U (en) | Novel anti-pop-up venous blood taking needle | |
| CN211157738U (en) | Blood sampling transfusion device | |
| CN218870299U (en) | Safety blood sampling assembly for invasive arterial blood pressure monitoring | |
| CN213155922U (en) | Novel safe vein hemostix | |
| CN218684400U (en) | Connector structure for blood sampling device | |
| CN211022714U (en) | Three-way vacuum blood sampling auxiliary tool for preventing blood pollution by connecting needleless connector | |
| CN211022710U (en) | Double-cavity hemostix | |
| CN212939707U (en) | Novel blood taking needle capable of displaying blood return | |
| CN215191626U (en) | Disposable Y-shaped blood taking needle | |
| CN211609811U (en) | Protective device for blood taking needle | |
| CN219461334U (en) | Multifunctional internal fistula puncture needle for dialysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |