CN215134234U - Simple artery blood drawing device for newborn blood replacement - Google Patents
Simple artery blood drawing device for newborn blood replacement Download PDFInfo
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- CN215134234U CN215134234U CN202120580978.5U CN202120580978U CN215134234U CN 215134234 U CN215134234 U CN 215134234U CN 202120580978 U CN202120580978 U CN 202120580978U CN 215134234 U CN215134234 U CN 215134234U
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Abstract
The utility model relates to a neonate trades blood art with simple and easy artery device of drawing blood, it includes blood taking needle, heparin tube, first three-way valve, second three-way valve, syringe, drainage tube, useless blood container, infusion hose and plain normal saline, the both ends of heparin tube are located respectively to blood taking needle, second three-way valve, first three-way valve is located on the heparin tube, is close to the one end of blood taking needle, first three-way valve passes through infusion hose connection heparin normal saline, the useless blood container is connected through the drainage tube to the second three-way valve, the second three-way valve is connected to the syringe. The utility model discloses respectively through first three-way valve and second three-way valve connection heparin normal saline and syringe, useless blood container, steerable first three-way valve and second three-way valve's the direction of switching on utilizes the syringe to realize the pump drainage blood operation, and the blood of taking out in the whole blood changing operation process can not pollute and trade blood person and environment, also can utilize heparin normal saline to dredge the pipeline simultaneously, effectively prevents the pipe blockage.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a neonate trades blood art and draws blood device with simple and easy artery.
Background
Hyperbilirubinemia of newborns is a common disease in pediatrics, and can cause jaundice in severe cases, causing irreversible damage to the nervous system. The blood exchange therapy is a main method for treating hyperbilirubinemia of a newborn, in the past, a single-tube alternate suction and injection method of umbilical vein is mostly adopted for blood exchange, and at present, a double-tube synchronous suction and injection method is more adopted for blood exchange, namely: the venous cylinder cover blood transfusion pump injects blood and also pumps the blood out of artery in a synchronous way.
Generally, the whole blood exchange time is controlled within 90-120 min, if the weight of the baby needing blood exchange is 3Kg, the total blood exchange amount is 450-. The blood pump pumps plasma and concentrated red blood cells from the venous end and pumps blood from the arterial end, and the two are synchronous, equivalent and equal.
The existing blood drawing device consists of a blood taking needle, a blood taking tube (with a tube clamp) and an injector, wherein blood (20 ml each time) is directly drawn out from the end of a artery by the injector, then the injector needs to be taken down to discharge the blood into a waste blood container beside, the blood is easily splashed on a white coat, the body and the ground in the discharging process, the self and the environmental pollution of a blood changer are caused, and the tube is easily blocked after the time of the suction injector is long.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a simple and easy artery bloodletting instrument for the neonate's bloodletting art that simple structure, convenient operation, the blood of taking out can not pollute and trade blood person and environment and be convenient for lead to stifled behind the stifled pipe.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a neonate trades blood art with simple and easy artery device of drawing blood, including blood taking needle, heparin tube, first three-way valve, second three-way valve, syringe, drainage tube, useless blood container, infusion hose and heparin normal saline, blood taking needle, second three-way valve are located respectively the both ends of heparin tube, first three-way valve is located on the heparin tube, be close to the one end of blood taking needle, first three-way valve passes through the infusion hose connection heparin normal saline, the second three-way valve passes through the drainage tube is connected useless blood container, the syringe is connected the second three-way valve.
The utility model provides a neonate's art of changing blood is with a preferred embodiment of simple and easy artery hemospasia device, heparin normal saline splendid attire is in soft hanging bottle, be equipped with the puncture ware on the infusion hose, through the puncture ware pierces through soft hanging bottle.
In the utility model provides a neonate's exchange blood art is with a preferred embodiment of simple and easy artery device of drawing blood, heparin normal saline splendid attire is in the heparin syringe, be equipped with on the infusion hose with the pintle assorted joint of heparin syringe.
In a preferred embodiment of the simple arterial blood drawing device for the neonatal hemoreplacement provided by the utility model, a positive pressure joint is further arranged between the connection part of the injector and the second three-way valve.
In the preferred embodiment of the simple arterial blood drawing device for the newborn blood replacement, a tube clamp is further arranged on the blood collection tube between the blood collection needle and the first three-way valve.
In the utility model provides a neonate's hemospasia is with a preferred embodiment of simple and easy artery hemospasia device, useless blood container includes barrel and cover, cover detachably seal installation in the open-top of barrel, just the drainage tube runs through the cover, still be equipped with the breather valve on the cover.
In a preferred embodiment of the simple arterial blood drawing device for the newborn blood replacement provided by the utility model, the syringe is a graduated syringe with a volume not less than 20 ml.
In the utility model provides a neonate's blood changing operation is with a preferred embodiment of simple and easy artery hemospasia device, first three-way valve and second three-way valve all adopt the case of T type passageway.
Compared with the prior art, the utility model provides a neonate trades blood art with simple and easy artery hemospasia device's beneficial effect is: the utility model discloses connect heparin normal saline and syringe, waste blood container through first three-way valve and second three-way valve respectively, when normally drawing blood, control first three-way valve and close the injection of heparin normal saline, utilize the syringe to take out blood, when arranging blood, control second three-way valve and close into the blood end, make the syringe communicate the drainage tube and discharge blood into waste blood container, so carry out the work of drawing blood many times, until the operation of changing blood is accomplished, the blood of taking out in the whole operation process can not pollute the person who changes blood and environment; when the blood sampling tube and/or the first three-way valve and/or the second three-way valve are blocked, the blood inlet end of the first three-way valve is controlled to be closed, so that the heparin normal saline is communicated with the waste blood container, and the pipeline is dredged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of the simple arterial blood drawing device for newborn blood exchange operation provided by the present invention.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1, the present embodiment provides a simple arterial blood drawing device 1 for neonatal blood replacement, as shown in fig. 1, comprising a blood collection needle 11, a blood collection tube 12, a first three-way valve 13, a second three-way valve 14, an injector 15, a drainage tube 16, a waste blood container 17, a transfusion hose 18, and a heparin saline 19, wherein the blood collection needle 11 and the second three-way valve 14 are respectively disposed at two ends of the blood collection tube 12, the first three-way valve 13 is disposed at one end of the blood collection tube 12 close to the blood collection needle 11, the first three-way valve 13 is connected to the heparin saline 19 through the transfusion hose 18, the second three-way valve 14 is connected to the waste blood container 17 through the drainage tube 16, and the injector 15 is connected to the second three-way valve 14.
Preferably, the first three-way valve 13 and the second three-way valve 14 of the present embodiment each use a spool of a T-shaped passage.
In the embodiment, the heparin normal saline, the injector and the waste blood container are connected through the first three-way valve and the second three-way valve respectively. And (3) during normal blood drawing: controlling the first three-way valve to close the injection of the heparin normal saline, and pumping blood by using an injector; during blood drainage: controlling the second three-way valve to close the blood inlet end, enabling the injector to be communicated with the drainage tube to discharge the blood into the waste blood container, and performing blood drawing for multiple times until the blood changing operation is completed, wherein the blood drawn in the whole operation process cannot pollute a blood changer and the environment; when the blood sampling tube and/or the first three-way valve and/or the second three-way valve are blocked, the blood inlet end of the first three-way valve is controlled to be closed, so that the heparin normal saline is communicated with the waste blood container, and the pipeline is dredged.
Preferably, the syringe 15 of the present embodiment is a graduated syringe with a volume of not less than 20ml, so as to meet the requirements of the new blood surgery of the newborn.
Example two
In addition to the first embodiment, the heparin saline 19 of the present embodiment is contained in the soft hanging bottle 20, the infusion hose 18 is provided with a puncture device 182, and the puncture device penetrates through the soft hanging bottle, as shown in fig. 1, the heparin saline of the present embodiment is used for dredging the conduit by gravity flow or by pressing the hanging bottle to match with the suction force of the injector.
EXAMPLE III
Different from the second embodiment, the heparin normal saline 19 of the present embodiment is contained in a heparin syringe (not shown in the figure), and the infusion hose 18 is provided with a connector matching with a pintle of the heparin syringe, so that the heparin syringe can be pulled to dredge a pipeline.
Example four
Based on any of the above embodiments, a positive pressure joint 21 is further disposed between the connection point of the syringe 15 and the second three-way valve 14 in this embodiment, as shown in fig. 1, the positive pressure joint is designed such that blood does not flow out after the syringe is pulled out, and the syringe is convenient to use.
EXAMPLE five
Based on any of the above embodiments, the blood collection tube 11 between the blood collection needle 12 and the first three-way valve 13 of the present embodiment is further provided with a tube clamp 22, as shown in fig. 1.
EXAMPLE six
Based on any one of the above embodiments, as shown in fig. 1, the waste blood container 17 of this embodiment includes a cylinder 171 and a cylinder cover 172, the cylinder cover 172 is detachably and hermetically mounted on the top opening of the cylinder 171, the drainage tube 16 penetrates through the cylinder cover 172, and the cylinder cover 172 is further provided with a breathing valve 23.
The design of waste blood container of this embodiment is enclosed construction, prevents to turn over because of the collision, causes waste blood pollution environment.
The utility model relates to a neonate trades blood art with simple and easy artery device of drawing blood, simple structure, convenient operation, easily preparation, and the cost of manufacture is low, and usable current medical instrument resource makes, can accomplish the preparation of device fast to the regional hospital that medical instrument is deficient.
In other embodiments, a blood transfer pump may be employed as the motive force in place of the injector and the second three-way valve.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a neonate trades blood art with simple and easy artery device of drawing blood which characterized in that: including blood taking needle, heparin tube, first three-way valve, second three-way valve, syringe, drainage tube, useless blood container, infusion hose and heparin normal saline, blood taking needle, second three-way valve are located respectively the both ends of heparin tube, first three-way valve is located on the heparin tube, be close to the one end of blood taking needle, first three-way valve passes through the infusion hose connection heparin normal saline, the second three-way valve passes through the drainage tube is connected useless blood container, the syringe is connected the second three-way valve.
2. The easy arterial blood draw device for neonatal hemoreplacement of claim 1, characterized in that: the heparin normal saline is contained in the soft hanging bottle, the infusion hose is provided with a puncture outfit, and the soft hanging bottle is penetrated through the puncture outfit.
3. The easy arterial blood draw device for neonatal hemoreplacement of claim 1, characterized in that: the heparin normal saline is contained in a heparin injector, and the infusion hose is provided with a joint matched with a pintle of the heparin injector.
4. The plain arterial blood drawing device for neonatal hemoreplacement according to claim 2 or 3, characterized in that: and a positive pressure joint is also arranged between the joints of the injector and the second three-way valve.
5. The plain arterial blood drawing device for neonatal hemoreplacement according to claim 2 or 3, characterized in that: between blood taking needle and the first three-way valve still be equipped with the pipe clamp on the heparin tube.
6. The plain arterial blood drawing device for neonatal hemoreplacement according to claim 2 or 3, characterized in that: the waste blood container comprises a barrel body and a barrel cover, the barrel cover is detachably and hermetically arranged at the top opening of the barrel body, the drainage tube penetrates through the barrel cover, and a breather valve is further arranged on the barrel cover.
7. The plain arterial blood drawing device for neonatal hemoreplacement according to claim 2 or 3, characterized in that: the injector is a graduated injector with the volume not less than 20 ml.
8. The plain arterial blood drawing device for neonatal hemoreplacement according to claim 2 or 3, characterized in that: the first three-way valve and the second three-way valve both adopt valve cores of T-shaped channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580978.5U CN215134234U (en) | 2021-03-22 | 2021-03-22 | Simple artery blood drawing device for newborn blood replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580978.5U CN215134234U (en) | 2021-03-22 | 2021-03-22 | Simple artery blood drawing device for newborn blood replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215134234U true CN215134234U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120580978.5U Active CN215134234U (en) | 2021-03-22 | 2021-03-22 | Simple artery blood drawing device for newborn blood replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215134234U (en) |
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2021
- 2021-03-22 CN CN202120580978.5U patent/CN215134234U/en active Active
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