Disclosure of Invention
Aiming at least one problem in the prior art, the utility model aims to provide an arterial indwelling blood collection device which can be used for realizing full-closed blood collection, so that the occurrence of hemolysis, coagulation and the like caused by the change of the components of blood and the cleavage of blood cells is avoided, and the qualification of a blood sample and the effective and accurate detection result of the blood are ensured.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
An arterial indwelling blood collection device comprising:
one end of the interface tube is used for connecting with an interface of the arterial indwelling needle;
One end of the connecting pipe is connected with the other end of the interface pipe;
the puncture needle seat is in a tubular shape, and one end of the puncture needle seat is connected with the other end of the connecting pipe;
The puncture needle is in a tubular shape, one end of the puncture needle is connected with the other end of the puncture needle seat, and the other end of the puncture needle is provided with a conical needle point;
A soft sleeve sleeved outside the puncture needle; one end of the soft sleeve is provided with an opening end and is connected with the other end of the puncture needle seat, and the other end of the soft sleeve is provided with a closed end.
Preferably, the method further comprises:
The protective housing sets up to the tube-shape, and its cover is established the outside of soft sleeve, the one end of protective housing sets up to the open end and is connected with the other end of puncture needle file, the other end of protective housing sets up to the blind end.
Preferably, one end of the protective housing is sleeved outside the other end of the puncture needle seat.
Preferably, the method further comprises:
The negative pressure vacuum blood collection tube is provided with an opening at one end and a sealing soft plug at the other end, wherein the sealing soft plug is arranged at one end of the opening; the needle tip of the puncture needle sequentially pierces the soft sleeve and the plugging soft plug and stretches into the negative pressure vacuum blood collection tube.
Preferably, one end of the interface tube is connected with the interface of the connecting arterial indwelling needle through a pressure sleeve blood sampling tee joint.
Preferably, one end of the interface tube is in threaded connection with the pressure sleeve blood sampling tee joint.
Preferably, an internal thread is arranged in one end of the interface tube, and the pressure sleeve blood sampling tee joint is provided with an external thread.
Due to the adoption of the technical scheme, the utility model has the following advantages:
1. According to the arterial indwelling blood sampling device provided by the utility model, the puncture needle can be prevented from being polluted by the soft sleeve sleeved outside the puncture needle; therefore, the full-closed blood sampling is realized, and the occurrence of hemolysis, coagulation and the like caused by the change of the components of the blood and the cleavage of blood cells is avoided, so that the qualification of a blood sample and the effective and accurate detection result of the blood are ensured.
2. According to the arterial indwelling blood sampling device provided by the utility model, the puncture needle and the soft sleeve are sleeved with the protective shell, so that the puncture needle is prevented from accidentally puncturing the soft sleeve, and the occurrence rate of needle puncture and the occupational exposure probability of nursing staff are reduced.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "front", "rear", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the system or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
According to the arterial indwelling blood collection device, the soft sleeve is arranged outside the puncture needle, so that the puncture needle is prevented from being polluted; therefore, the full-closed blood sampling is realized, and the occurrence of hemolysis, coagulation and the like caused by the change of the components of the blood and the cleavage of blood cells is avoided, so that the qualification of a blood sample and the effective and accurate detection result of the blood are ensured.
Hereinafter, embodiments of the present utility model will be described in detail with reference to the accompanying drawings.
Examples
Referring to fig. 1, the arterial indwelling blood collection device provided in this embodiment includes a mouthpiece 1, a connection tube 2, a puncture needle stand 3, a puncture needle 4 and a soft sleeve 5. One end of the interface tube 1 is used for connecting an interface of an arterial indwelling needle; one end of the connecting pipe 2 is connected with the other end of the interface pipe 1; the puncture needle seat 3 is arranged in a tubular shape, and one end of the puncture needle seat is connected with the other end of the connecting pipe 2; the puncture needle 4 is provided with a tubular shape, one end of the puncture needle 4 is connected with the other end of the puncture needle seat 3, and the other end is provided with a conical needle point 410; the soft sleeve 5 is sleeved outside the puncture needle 4, one end of the soft sleeve 5 is provided with an open end and is connected with the other end of the puncture needle seat 3, and the other end of the soft sleeve 5 is provided with a closed end.
The arterial indwelling blood collection device of the embodiment is characterized in that the soft sleeve 5 is sleeved and protected outside the puncture needle 4, so that the puncture needle 4 is prevented from being polluted. When in use, one end of the interface tube 1 is connected with the interface of the arterial indwelling needle, and the needle point 410 of the puncture needle 4 pierces the soft sleeve 5 and stretches into the vacuum blood collection tube 7; the blood enters the vacuum blood collection tube 7 through the negative pressure in the vacuum blood collection tube 7 and the arterial pressure of the patient, so that the blood collection operation is completed.
Therefore, by the arterial indwelling blood sampling device, no matter how many tubes of blood need to be collected, the arterial indwelling blood sampling device can be completed quickly, timely and simply, and full-closed blood sampling can be realized.
Referring to fig. 2, in some embodiments, the arterial indwelling blood collection device further includes a protective housing 6, the protective housing 6 is configured as a tube, and is sleeved outside the soft sleeve 5, one end of the protective housing 6 is configured as an open end and is connected with the other end of the puncture needle stand 3, and one end of the protective housing 6 is configured as a closed end.
The protection shell 6 is sleeved outside the puncture needle 4 and the soft sleeve 5, so that the puncture needle 4 is prevented from accidentally puncturing the soft sleeve 5, and the occurrence rate of needle puncture and the occupational exposure probability of nursing staff are reduced.
When the arterial indwelling blood collection device is used, the protective shell 6 is detached firstly, and then the needle point 410 of the puncture needle 4 pierces the soft sleeve 5 and stretches into the vacuum blood collection tube 7.
Specifically, one end of the protective housing 6 is sleeved outside the other end of the puncture needle holder 3, so that the protective housing 6 is detachably connected to the puncture needle holder 3.
For example, an annular recessed step surface 310 is arranged on the outer wall of the other end of the puncture needle holder 3, the outer diameter of the step surface 310 is smaller than the outer diameter of the rest part of the puncture needle holder 3, the outer diameter of the step surface 310 is equal to the inner diameter of the opening end of the protective housing 6, and the opening end of the protective housing 6 is sleeved on the step surface 310.
Referring to fig. 1 and 2, in some embodiments, the arterial indwelling blood collection device further includes a negative pressure vacuum blood collection tube 7, one end of the negative pressure vacuum blood collection tube 7 is opened, the other end is closed, and a blocking cork 710 is disposed at one end of the opening; the needle tip 410 of the puncture needle 4 sequentially pierces the soft sleeve 5 and the occlusion soft plug 710 and protrudes into the negative pressure vacuum blood collection tube 7.
The negative pressure vacuum blood collection tube 7 can be made of the prior art.
In some embodiments, one end of the interface tube 1 is connected with the interface connected with the arterial indwelling needle through the pressure sleeve blood sampling tee joint, so that the interface tube 1 is conveniently connected with the interface of the arterial indwelling needle.
The pressure suit blood sampling tee joint can adopt the prior art product.
One end of the interface tube 1 is connected with the pressure sleeve blood sampling tee joint through a thread structure.
For example, an internal thread is arranged in one end of the interface tube 1, and an external thread is arranged on the pressure sleeve blood sampling tee joint.
It is also possible specifically that one end of the connecting tube 2 is fixedly connected with the other end of the interface tube 1, one end of the puncture needle seat 3 is fixedly connected with the other end of the connecting tube 2, one end of the puncture needle 4 is fixedly connected with the other end of the puncture needle seat 3, and the opening end of the soft sleeve 5 is fixedly connected with the other end of the puncture needle seat 3.
It is also possible in particular for the soft sleeve 5 to be provided as a rubber protection cylinder. The plugging cork 710 is provided as a cork stopper.
The tubular interface tube 1, the connecting tube 2, the puncture needle seat 3 and the puncture needle 4 can be communicated and connected in sequence.
The interface tube 1, the connecting tube 2 and the puncture needle seat 3 are all round tubes.
The step surface 310 is provided as a cylindrical surface.
The puncture needle 4 is also provided as a circular tube except at the needle tip 410.
The soft sleeve 5 is provided as a cylinder, and the end surface thereof on the side of the needle tip 410 may be provided as an arc surface protruding outward.
Referring to fig. 2, the protective case 6 is configured as a cylinder, and an end surface thereof located at one side of the needle tip 410 may be configured as an arc surface protruding outward.
Referring to fig. 1 and 2, the negative pressure vacuum blood collection tube 7 is configured as a circular tube. The stopper 710 is provided as a cylinder.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.