CN216569952U - Blood collection tube for clinical examination - Google Patents
Blood collection tube for clinical examination Download PDFInfo
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- CN216569952U CN216569952U CN202122952213.2U CN202122952213U CN216569952U CN 216569952 U CN216569952 U CN 216569952U CN 202122952213 U CN202122952213 U CN 202122952213U CN 216569952 U CN216569952 U CN 216569952U
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- blood collection
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- collection tube
- tube body
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Abstract
The utility model discloses a blood collection tube for clinical examination, which comprises a blood collection tube body, wherein a rubber plug is arranged at the top of the blood collection tube body; the blood collection assembly comprises a blood transfusion needle which penetrates through the rubber plug and is inserted into the blood collection tube body, and a tube valve is arranged at the top of the blood transfusion needle; air exhaust assembly, including run through in the plug and plug in the inside needle of bleeding of heparin tube body, the top intercommunication of needle of bleeding has the second hose, when this internal gas pressure of heparin tube is not enough, can directly stimulate handle and connecting rod to drive piston rebound, the piston can be through the second hose and bleed to this internal gas of heparin tube when removing and extract, thereby make the heparin tube body produce the negative pressure, make it can continue to bleed, and check valve can avoid in the inflator gas receive the negative pressure influence and flow back to the heparin tube body in, simple structure, convenient operation, can repeat many times of operation.
Description
Technical Field
The utility model relates to the technical field of blood collection tubes, in particular to a blood collection tube for clinical examination.
Background
The blood collection tube is an instrument for collecting blood samples in medical treatment, is commonly used in clinical examination work as a medical instrument, and comprises a vacuum blood collection tube, a disposable conventional blood collection tube and the like; the existing vacuum blood sampling tube can only perform one-time blood sampling operation, and a new blood sampling tube needs to be replaced when blood is required to be drawn again, so that the operation is complex, a large amount of medical resources are wasted, in addition, although the corresponding vacuum degree is extracted in advance in the existing blood sampling tube, the accurate blood drawing amount is difficult to ensure in the blood drawing process, and in view of the problems, the blood sampling tube for clinical examination is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a blood collection tube for clinical examination, which solves the problems that the existing blood collection tube proposed in the background technology can only perform blood collection once and is difficult to ensure the blood collection amount, therefore, the utility model aims to provide the blood collection tube for clinical examination, which can perform quantitative blood collection on a patient according to the amount required by actual detection, can perform blood collection operation for multiple times under the condition of not replacing the blood collection tube, and has simple structure, convenient carrying, rapidness and high efficiency.
In order to achieve the purpose, the utility model provides the following technical scheme: a blood collection tube for clinical examination, comprising:
the blood collection tube comprises a blood collection tube body, wherein a rubber plug is arranged at the top of the blood collection tube body, and scale marks are arranged on one side of the outer wall of the blood collection tube body;
the blood collection assembly comprises a blood transfusion needle which penetrates through the rubber plug and is inserted into the blood collection tube body, and the top of the blood transfusion needle is provided with a pipe valve;
the air exhaust assembly comprises an air exhaust needle which runs through the rubber plug and is inserted into the blood collection tube body, the top of the air exhaust needle is communicated with a second hose, and one end of the air exhaust needle, which is far away from the second hose, is communicated with an air cylinder.
Preferably, one side of the tube valve is communicated with a first hose, one end, far away from the tube valve, of the first hose is provided with a blood taking needle, and the blood taking needle is communicated with the inner cavity of the blood taking tube body through the first hose, the tube valve and the blood transfusion needle.
Preferably, the fixed cover in outside of plug is equipped with the block, the position in the middle of the block reserves the round hole of being convenient for transfusion needle and air suction needle insert, the block pass through the plug with constitute elastic sleeve joint between the heparin tube body.
Preferably, the inside of inflator is provided with rather than the looks adaptation and can reciprocate the piston, the gas transmission end of inflator still sets up the check valve, the inflator pass through the check valve and take out the air needle with communicate each other between the second hose, the upper end fixedly connected with connecting rod of piston, the top of connecting rod is fixed with the handle.
Preferably, the check valve with the linking department of second hose still is provided with the needle file sealing cap, be threaded connection between needle file sealing cap and the check valve, the one end of second hose be provided with the stopper seat and with the needle file sealing cap between constitute detachable construction, the inboard of needle file sealing cap still be provided with the filter screen that the check valve offseted and pastes, the filter screen passes through and constitutes detachable construction between needle file sealing cap and the check valve.
Preferably, be provided with on the outer wall of inflator with piston matched with atmospheric pressure cut-off, inflator size of a dimension customizes according to the concrete size of heparin tube body, and the negative pressure that the produced of stroke extraction of its single tube is as suitable in order to satisfy the heparin tube body operation of drawing blood three times at least.
Compared with the prior art, the utility model has the beneficial effects that:
(one) through the setting of subassembly of bleeding, when the atmospheric pressure in the blood sampling pipe is not enough, can directly stimulate handle and connecting rod to drive piston rebound, the piston can be through the second hose when removing and bleed to this internal gas of blood sampling pipe and extract, thereby make the blood sampling pipe body produce the negative pressure, make it can continue to bleed, and the check valve can avoid in the inflator gas to receive the negative pressure influence and flow back to the blood sampling pipe body in, simple structure, convenient operation, can repeat many times operation.
(II) through the setting of blood sampling subassembly, because this internal negative pressure that has of heparin tube, consequently when the pipe valve is opened, under the suction of negative pressure, patient's blood can be in proper order from blood taking needle, first hose and transfusion needle entering the inside of heparin tube body, can directly close the pipe valve and stop the bloodletting when the blood of extraction reaches required value, simple structure and high efficiency to reach the purpose of accurate ration bloodletting.
Drawings
FIG. 1 is a schematic view of the overall connection structure of the present invention;
FIG. 2 is a schematic view of the external perspective of the inflator of the present invention;
FIG. 3 is a schematic view of the external three-dimensional structure of the blood collection tube according to the present invention;
FIG. 4 is a front view of the blood collection tube of the present invention.
In the figure: 100. a blood collection tube body; 110. a rubber plug; 120. scale lines; 130. capping; 200. a blood collection assembly; 210. blood transfusion needle; 220. a tube valve; 230. a first hose; 240. a blood collection needle; 300. an air extraction assembly; 310. an air exhaust needle; 320. a second hose; 330. an air cylinder; 3301. a piston; 3302. a connecting rod; 3303. a handle; 340. a check valve; 350. sealing the needle seat with a cap; 360. and (4) a filter screen.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a blood collection tube for clinical examination, which can quantitatively draw blood for a patient according to the amount required by actual detection, can be operated for many times and can be used for blood drawing operation under the condition of not replacing the blood collection tube, and has the advantages of simple structure, convenience for carrying, rapidness and high efficiency.
Fig. 1 to 4 are schematic views showing the entire structure of a blood collection tube for clinical examination according to the present invention, and referring to fig. 1 to 4, the main body of the blood collection tube for clinical examination according to the present embodiment includes a blood collection tube body 100, a blood collection module 200, and an air suction module 300.
The blood collection tube comprises a blood collection tube body 100, a rubber plug 110 is arranged at the top of the blood collection tube body 100, scale lines 120 are arranged on one side of the outer wall of the blood collection tube body 100, a cover cap 130 is fixedly sleeved outside the rubber plug 110, circular holes which are convenient for insertion of a blood transfusion needle 210 and an air suction needle 310 are reserved in the middle of the cover cap 130, the cover cap 130 is in elastic sleeve joint with the blood collection tube body 100 through the rubber plug 110, the cover cap 130 and the rubber plug 110 are common supporting parts of the blood collection tube in the field, and are not repeated herein, and the scale lines 120 can facilitate quantitative blood drawing of an operator according to actual needs, so that the purpose of accurate control is achieved.
The blood collection assembly 200 includes a blood transfusion needle 210 penetrating through a rubber plug 110 and inserted into the blood collection tube body 100, a tube valve 220 is disposed on the top of the blood transfusion needle 210, a first hose 230 is communicated with one side of the tube valve 220, a blood collection needle 240 is disposed on one end of the first hose 230 far from the tube valve 220, the blood collection needle 240 is communicated with the inner cavity of the blood collection tube body 100 through the first hose 230, the tube valve 220 and the blood transfusion needle 210, and due to the negative pressure in the blood collection tube body 100, when the tube valve 220 is opened, the blood of a patient can enter the blood collection tube body 100 from the blood collection needle 240, the first hose 230 and the blood transfusion needle 210 in sequence under the suction of the negative pressure, and when the collected blood reaches a required value, the tube valve 220 can be directly closed and the blood collection can be stopped, the structure is simple and efficient, thereby achieving the purpose of accurate quantitative blood collection.
The air-extracting component 300 comprises an air-extracting needle 310 penetrating through the rubber plug 110 and inserted into the blood-collecting tube body 100, the top of the air-extracting needle 310 is communicated with a second hose 320, one end of the second hose 320 far away from the air-extracting needle 310 is communicated with an air cylinder 330, the interior of the air cylinder 330 is provided with a piston 3301 which is matched with the air cylinder and can move up and down, the air-conveying end of the air cylinder 330 is also provided with a check valve 340, the air cylinder 330 is communicated with the second hose 320 through the check valve 340 and the air-extracting needle 310, the upper end of the piston 3301 is fixedly connected with a connecting rod 3302, the top of the connecting rod 3302 is fixedly provided with a handle 3303, when the blood-collecting tube body 100 needs to continuously extract blood but the air pressure inside the blood-collecting tube body is not enough to absorb blood, the handle 3303 and the connecting rod 3302 can be directly pulled, so as to drive the piston 3301 to move up, when the piston 3301 moves, the air in the blood-collecting tube body 100 can be extracted through the second hose 320 and the air-extracting needle 310, so as to generate negative pressure, the blood collection tube can continuously draw blood, the check valve 340 can prevent the gas in the air cylinder 330 from flowing back to the blood collection tube body 100 under the influence of negative pressure, the structure is simple, the operation is convenient, and the operation can be repeated for many times, the joint of the check valve 340 and the second hose 320 is also provided with a needle seat sealing cap 350, the needle seat sealing cap 350 is in threaded connection with the check valve 340, one end of the second hose 320 is provided with a plug seat and forms a detachable structure with the needle seat sealing cap 350, the inner side of the needle seat sealing cap 350 is also provided with a filter screen 360 which is abutted against the check valve 340, the filter screen 360 forms a detachable structure with the check valve 340 through the needle seat sealing cap 350, in order to prevent cross infection, the second hose 320 and the air suction needle 310 can be directly detached and replaced after use through the arrangement of the needle seat sealing cap 350, the filter screen 360 can further prevent the gas from mutually penetrating, the use safety of the device is improved, the outer wall of the air cylinder 330 is provided with a gas pressure dividing line which is matched with the piston 3301, the size of the air cylinder 330 is customized according to the specific size of the blood collection tube body 100, the negative pressure generated by the single tube in one stroke is suitable for at least three blood collection operations of the blood collection tube body 100, and the air pressure dividing line on the air cylinder 330 can facilitate the medical staff to know the extracted air quantity, namely the corresponding air pressure more clearly.
In summary, in the clinical laboratory blood collection tube of the present embodiment, the tube valve 220 is first opened, the blood of the patient enters the interior of the blood collection tube body 100 from the blood collection needle 240, the first tube 230 and the blood transfusion needle 210 in order by the negative pressure, when the blood drawn reaches the required value, the tube valve 220 can be directly closed and the blood drawing can be stopped, when the blood drawing tube body 100 needs to continue to draw blood but the internal air pressure is not enough to draw blood, the handle 3303 and the connecting rod 3302 can be directly pulled, thereby driving the piston 3301 to move upward, when the piston 3301 moves, the air in the blood collection tube body 100 is pumped through the second hose 320 and the air-pumping needle 310, thereby, the blood collection tube body 100 generates negative pressure to enable the blood collection tube body to continue blood drawing, the check valve 340 can prevent the gas in the air cylinder 330 from flowing back to the blood collection tube body 100 under the influence of the negative pressure, the structure is simple, the operation is convenient, and the operation can be repeated for many times.
While the utility model has been described with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A blood collection tube for clinical examination, comprising:
the blood collection tube comprises a blood collection tube body (100), wherein a rubber plug (110) is arranged at the top of the blood collection tube body (100), and scale marks (120) are arranged on one side of the outer wall of the blood collection tube body (100);
the blood collection assembly (200) comprises a blood transfusion needle (210) which penetrates through the rubber plug (110) and is inserted into the blood collection tube body (100), and the top of the blood transfusion needle (210) is provided with a pipe valve (220);
the air suction assembly (300) comprises an air suction needle (310) penetrating through the rubber plug (110) and inserted into the blood collection tube body (100), the top of the air suction needle (310) is communicated with a second hose (320), and one end, far away from the air suction needle (310), of the second hose (320) is communicated with an air cylinder (330).
2. A blood collection tube for clinical examination according to claim 1, wherein: one side of the tube valve (220) is communicated with a first hose (230), one end, far away from the tube valve (220), of the first hose (230) is provided with a blood taking needle (240), and the blood taking needle (240) is communicated with the inner cavity of the blood taking tube body (100) through the first hose (230), the tube valve (220) and the blood transfusion needle (210).
3. A blood collection tube for clinical examination according to claim 2, wherein: the outside fixed cover of plug (110) is equipped with block (130), the position reservation placed in the middle of block (130) is convenient for transfusion needle (210) and air bleed needle (310) male round hole, block (130) through plug (110) with constitute elastic socket between heparin tube body (100).
4. A blood collection tube for clinical examination according to claim 3, wherein: the inside of inflator (330) is provided with rather than the looks adaptation and piston (3301) that can reciprocate, the gas transmission end of inflator (330) still sets up check valve (340), inflator (330) through check valve (340) and bleed needle (310) with communicate each other between second hose (320), the upper end fixedly connected with connecting rod (3302) of piston (3301), the top of connecting rod (3302) is fixed with handle (3303).
5. A blood collection tube for clinical examination according to claim 4, wherein: check valve (340) with the linking department of second hose (320) still is provided with needle file sealing cap (350), be threaded connection between needle file sealing cap (350) and check valve (340), the one end of second hose (320) be provided with the stopper seat and with needle file sealing cap (350) between constitute detachable construction, the inboard of needle file sealing cap (350) still be provided with filter screen (360) that check valve (340) offset and paste, filter screen (360) are through constituting detachable construction between needle file sealing cap (350) and check valve (340).
6. A blood collection tube for clinical examination according to claim 5, wherein: be provided with on the outer wall of inflator (330) with piston (3301) matched with atmospheric pressure parting line, inflator (330) size of a dimension customizes according to the concrete size of heparin tube body (100), and the negative pressure that the stroke of its single tube produced is suitable in order to satisfy heparin tube body (100) operation of drawing blood of at least three times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122952213.2U CN216569952U (en) | 2021-11-29 | 2021-11-29 | Blood collection tube for clinical examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122952213.2U CN216569952U (en) | 2021-11-29 | 2021-11-29 | Blood collection tube for clinical examination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216569952U true CN216569952U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122952213.2U Active CN216569952U (en) | 2021-11-29 | 2021-11-29 | Blood collection tube for clinical examination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216569952U (en) |
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2021
- 2021-11-29 CN CN202122952213.2U patent/CN216569952U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 300192 No. 7, SUDI South Road, Nankai District, Tianjin Patentee after: TIANJIN SECOND PEOPLE'S Hospital Address before: 300192 14-1-302, Wutong Nanli, tuanpo Avenue, West District, tuanpo new city, Jinghai District, Tianjin Patentee before: TIANJIN SECOND PEOPLE'S HOSPITAL (TIANJIN INFECTIOUS DISEASE Hospital) |
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| CP03 | Change of name, title or address |