CN214856769U - Three-way needle-free blood sampling device - Google Patents
Three-way needle-free blood sampling device Download PDFInfo
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- CN214856769U CN214856769U CN202120765583.2U CN202120765583U CN214856769U CN 214856769 U CN214856769 U CN 214856769U CN 202120765583 U CN202120765583 U CN 202120765583U CN 214856769 U CN214856769 U CN 214856769U
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Abstract
本实用新型公开了一种三通无针采血装置，包括医用三通阀；在医用三通阀的前端开口上设有一用于与患者的静脉置管相连接的鲁尔接头，在医用三通阀的侧端开口上可拆卸设有一工作时用于向患者注射生理盐水或者抽吸患者静脉置管部分生理盐水的注射器，还在医用三通阀的后端开口上设有输液采血两用组件；所述输液采血两用组件包括套筒，所述套筒通过一连接软管与所述医用三通阀的后端开口连通并且该套筒能够与所述医用三通阀的后端开口可拆卸卡扣配合，以及，所述连接软管能够收合于所述医用三通阀的后端开口内，还在所述套筒上且远离所述连接软管的一端设有转接头。本实用新型具有操作简便、能够减少采血操作消毒次数且不易造成交叉感染的优点。
The utility model discloses a three-way needle-free blood collection device, which comprises a medical three-way valve; a luer joint for connecting with a patient's venous catheter is arranged on the front opening of the medical three-way valve; The side end opening of the valve is detachably provided with a syringe for injecting physiological saline into the patient or sucking part of the physiological saline in the patient's intravenous cannula during operation, and a dual-purpose component for infusion and blood collection is also provided on the back end opening of the medical three-way valve. The infusion and blood collection dual-purpose assembly includes a sleeve, the sleeve communicates with the rear end opening of the medical three-way valve through a connecting hose, and the sleeve can be connected to the rear end opening of the medical three-way valve. The snap fit is disassembled, and the connecting hose can be folded in the rear end opening of the medical three-way valve, and an adapter is also provided on the sleeve and one end away from the connecting hose. The utility model has the advantages of simple and convenient operation, capable of reducing the number of disinfection times of blood collection operations, and less likely to cause cross-infection.
Description
Technical Field
The utility model relates to the technical field of medical treatment, more specifically say, in particular to tee bend needleless blood sampling device.
Background
For critically ill patients, blood sampling and inspection needs to be performed for a plurality of times every day so as to assist diagnosis and treatment. However, in clinical practice, in order to reduce the pain of venipuncture when a critical patient takes blood, a venous catheter is usually placed on the critical patient, for example: central venous catheter (PICC) and Central Venous Catheter (CVC) via peripheral venipuncture.
At present, after a critical patient with a vein catheterization is clinically sampled, a certain amount of normal saline needs to be injected through a syringe, blood in the vein catheterization part is flushed back into the body of the critical patient, when blood is again sampled, the normal saline in the vein catheterization part is pumped out through the syringe, and finally blood is pumped out for sampling; this operation process not only needs to be changed and uses a plurality of different syringes, need relapse in addition and disinfect the connection position of syringe many times, and the operation is very loaded down with trivial details, in addition, changes a plurality of syringes during the use and causes cross infection easily, and then leads to severe patients's the state of an illness to worsen, is difficult to satisfy actual application demand.
Therefore, there is a need to find a new blood collection technique to overcome the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tee bend needleless blood sampling device which is simple and convenient to operate, can reduce the times of blood sampling operation disinfection and is not easy to cause cross infection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a three-way needle-free blood sampling device comprises a medical three-way valve; a luer connector used for being connected with a vein catheterization of a patient is arranged on the front end opening of the medical three-way valve, an injector used for injecting physiological saline to the patient or sucking the physiological saline of the vein catheterization part of the patient during working is detachably arranged on the side end opening of the medical three-way valve, and an infusion and blood sampling dual-purpose assembly is arranged on the rear end opening of the medical three-way valve; the dual-purpose subassembly of blood sampling of infusing includes the sleeve, the sleeve through a coupling hose with the rear end opening intercommunication of medical three-way valve and this sleeve can with the buckle cooperation can be dismantled to the rear end opening of medical three-way valve, and, coupling hose can be received and fitted in the rear end opening of medical three-way valve, still be in just keep away from on the sleeve coupling hose's one end is equipped with the adapter, wherein, the dual-purpose subassembly of blood sampling of infusing passes through the adapter can be dismantled with outside vacuum blood collection tube or infusion set and be connected.
Preferably, still include the lag, the lag cover is established the outside of adapter and with the joint cooperation can be dismantled to the sleeve.
Preferably, the protective sleeve is made of a polystyrene transparent plastic.
Preferably, a connector protection plug is detachably arranged on the outer part of the luer connector.
Preferably, the joint protection plug is made of a silicone material.
Preferably, the medical three-way valve is a KDL-SC-3 medical three-way valve.
Compared with the prior art, the utility model discloses the beneficial effect who has as follows:
the utility model is provided with a luer connector on the front end opening of the medical three-way valve, an injector can be detachably arranged on the side end opening of the medical three-way valve, and a dual-purpose assembly for transfusion and blood sampling is arranged on the rear end opening of the medical three-way valve; the utility model discloses when drawing blood and sampling the use, respectively through luer joint, the adapter of the dual-purpose subassembly of infusion blood sampling will the utility model discloses be linked together with patient's vein catheterization and outside vacuum test tube, through the regulation pole of rotatory medical three-way valve, communicate the front end opening and the rear end opening of medical three-way valve, at this moment, the side opening and the front end opening of medical three-way valve, the rear end opening all do not communicate, thereby with patient's vein catheterization, the front end opening of medical three-way valve, the rear end opening of medical three-way valve, the coupling hose, the sleeve, adapter and outside vacuum test tube communicate in proper order and take a blood sample, after the blood sampling is accomplished, rotate the regulation pole of medical three-way valve again, communicate the side opening and the front end opening of medical three-way valve, at this moment, the rear end opening and the side opening of medical three-way valve, the front end opening all do not communicate, thereby with patient's vein catheterization, The front end opening of the medical three-way valve, the side end opening of the medical three-way valve and the injector are sequentially communicated to inject physiological saline into the body of the patient, and the blood in the venous catheter part is flushed back to the body of the severe patient; when the utility model is used for blood sampling again, after the normal saline of the vein placing tube part of the patient is pumped out by the injector, the adjusting rod of the medical three-way valve is rotated to communicate the front end opening and the rear end opening of the medical three-way valve, at the moment, the side opening of the medical three-way valve is not communicated with the front end opening and the rear end opening, thereby the vein placing tube of the patient is communicated with the external vacuum blood sampling tube for blood sampling, in addition, when the utility model is used for transfusion, the transfusion operation can be realized only by connecting the transfusion device with the adapter of the transfusion and blood sampling dual-purpose component instead of the external vacuum blood sampling tube, the utility model can realize the blood sampling and the transfusion operation of the patient by controlling the communication state of each opening of the medical three-way valve, the connection mode of each part and the vein placing tube of the patient does not need to be frequently changed, thereby the utility model is simple and convenient to use, and the change times of the connection of each part and the vein placing tube of the patient can be effectively reduced, thereby reducing the disinfection times and reducing the risk of cross infection; therefore, the utility model has the advantages of simple operation, reduced disinfection times of blood sampling operation and less cross infection.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a three-way needleless blood sampling device according to the present invention.
Description of reference numerals: 1. the medical three-way valve comprises a medical three-way valve, a luer connector 2, a syringe 3, a transfusion and blood sampling dual-purpose assembly 41, a sleeve 42, a connecting hose 43, an adapter 5, a protective sleeve 6 and a connector protective plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a three-way needle-free blood sampling device includes a medical three-way valve 1; a luer connector 2 used for being connected with a vein catheterization of a patient is arranged on a front end opening of the medical three-way valve 1, an injector 3 used for injecting physiological saline to the patient or sucking the physiological saline of the vein catheterization part of the patient during working is detachably arranged on a side end opening of the medical three-way valve 1, and a dual-purpose assembly 4 for transfusion and blood sampling is arranged on a rear end opening of the medical three-way valve 1; dual-purpose subassembly 4 of blood sampling of infusing includes sleeve 41, sleeve 41 through a coupling hose 42 with medical three-way valve 1's rear end opening intercommunication and this sleeve 41 can with snap-fit can be dismantled to medical three-way valve 1's rear end opening, and, coupling hose 42 can receive and close in medical three-way valve 1's rear end opening still is in on the sleeve 41 and keep away from coupling hose 42's one end is equipped with adapter 43, wherein, dual-purpose subassembly 4 of blood sampling of infusing passes through adapter 43 can dismantle with outside vacuum blood collection tube or infusion set and be connected.
The adapter is characterized by further comprising a protecting sleeve 5, wherein the protecting sleeve 5 is sleeved outside the adapter 43 and is detachably clamped and matched with the sleeve 41; for example: the protective sleeve 5 is made of polystyrene transparent plastic.
A connector protective plug 6 is detachably arranged outside the luer connector 2; for example: the joint protection plug 6 is made of a silicone material.
The medical three-way valve 1 is a KDL-SC-3 medical three-way valve.
When the blood sampling device is used specifically, when blood sampling is carried out, firstly, the connector protection plug 6 on the luer connector 2 and the protection sleeve 5 on the sleeve 41 are taken down, then the luer connector 2 is communicated with a vein catheterization of a patient, and the adapter 43 of the dual-purpose assembly 4 for infusion and blood sampling is communicated with an external vacuum blood sampling tube; secondly, rotating an adjusting rod of the medical three-way valve 1 to communicate a front end opening and a rear end opening of the medical three-way valve 1, wherein at the moment, a side end opening, the front end opening and the rear end opening of the medical three-way valve 1 are not communicated, so that a vein catheterization of a patient, the front end opening of the medical three-way valve 1, the rear end opening of the medical three-way valve 1, a connecting hose 42, a sleeve 41, an adapter 43 and an external vacuum blood collection tube are sequentially communicated for blood collection; then, after the blood collection is finished, rotating an adjusting rod of the medical three-way valve 1, and communicating a side end opening and a front end opening of the medical three-way valve 1, wherein at the moment, a rear end opening, a side end opening and a front end opening of the medical three-way valve 1 are not communicated, so that a vein catheterization pipe of a patient, the front end opening of the medical three-way valve 1, the side end opening of the medical three-way valve 1 and the injector 3 are sequentially communicated to the body of the patient and physiological saline is injected, and thus, blood in the vein catheterization pipe is flushed back to the body of a severe patient; finally, when waiting to draw blood sampling again, take out the back through syringe 3 with the normal saline of patient's vein catheterization part, rotatory medical three-way valve 1's regulation pole again, with medical three-way valve 1's front end opening and rear end opening intercommunication, at this moment, medical three-way valve 1's side opening and front end opening, the rear end opening all is not linked together, thereby put the vein catheterization and take a blood sample with outside vacuum heparin tube intercommunication of patient, in addition, this embodiment is when the infusion, only need to replace outside vacuum heparin tube with infusion set and be connected with the adapter 43 of the dual-purpose subassembly 4 of infusion blood sampling and can realize the infusion operation.
In a word, the utility model adopts the above structure, have easy and simple to handle, can reduce blood sampling operation disinfection number of times and be difficult for causing cross infection's advantage.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (6)
1. A three-way needle-free blood sampling device, which comprises a medical three-way valve (1); the method is characterized in that: a luer connector (2) used for being connected with a vein catheterization of a patient is arranged on a front end opening of the medical three-way valve (1), an injector (3) used for injecting physiological saline to the patient or sucking the physiological saline in the vein catheterization part of the patient during working is detachably arranged on a side end opening of the medical three-way valve (1), and a dual-purpose assembly (4) for transfusion and blood sampling is arranged on a rear end opening of the medical three-way valve (1); dual-purpose subassembly of infusion blood sampling (4) includes sleeve (41), sleeve (41) through a coupling hose (42) with the rear end opening intercommunication of medical three-way valve (1) and this sleeve (41) can with snap-fit can be dismantled to the rear end opening of medical three-way valve (1), and, coupling hose (42) can receive and close in the rear end opening of medical three-way valve (1), still be in on sleeve (41) and keep away from the one end of coupling hose (42) is equipped with adapter (43), wherein, dual-purpose subassembly of infusion blood sampling (4) is through adapter (43) can be dismantled with outside vacuum blood collection tube or infusion set and be connected.
2. The three-way, needle-free blood collection device of claim 1, wherein: still include lag (5), lag (5) cover is established the outside of adapter (43) and with the joint cooperation can be dismantled to sleeve (41).
3. The three-way, needle-free blood collection device of claim 2, wherein: the protective sleeve (5) is made of transparent polystyrene plastic.
4. The three-way, needle-free blood collection device of claim 1, wherein: a connector protection plug (6) is detachably arranged outside the luer connector (2).
5. The three-way, needle-free blood collection device of claim 4, wherein: the joint protection plug (6) is made of a silica gel material.
6. The three-way needle-free blood collection device according to any one of claims 1 to 5, wherein: the medical three-way valve (1) is a KDL-SC-3 medical three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120765583.2U CN214856769U (en) | 2021-04-15 | 2021-04-15 | Three-way needle-free blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120765583.2U CN214856769U (en) | 2021-04-15 | 2021-04-15 | Three-way needle-free blood sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214856769U true CN214856769U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120765583.2U Active CN214856769U (en) | 2021-04-15 | 2021-04-15 | Three-way needle-free blood sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214856769U (en) |
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2021
- 2021-04-15 CN CN202120765583.2U patent/CN214856769U/en active Active
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