阅读说明：本技术 一种静脉快速穿刺装置及其使用方法 (Rapid vein puncture device and use method thereof ) 是由 张祥胜 于 2021-08-27 设计创作，主要内容包括：本发明涉及静脉穿刺技术领域,具体涉及一种静脉快速穿刺装置及其使用方法,所述快速静脉穿刺装置包括引导线、外导管和针筒,针筒包括中空的推柄和空筒,推柄和空筒滑动连接,空筒在端部连接有穿刺针,推柄内包括形成辅助仓,辅助板上设有防逆瓣膜I,推柄在内端固定连接有胶塞,空筒内包括储血仓,胶塞上开有多个通道,通道连通辅助仓和储血仓；空筒上还设有扩皮管,穿刺针通过防逆瓣膜II连接扩皮管,使用时穿刺针刺入血管使血液进入储血舱,手动将导丝穿过推柄经针头进入血管后,推动推柄使扩皮管进入皮肤后,导丝留下将该装置整体抽出后放置预留管；该装置能够减少静脉穿刺需要的时间,减少工作人员的操作步骤,提高穿刺成功率。(The invention relates to the technical field of venipuncture, in particular to a rapid venipuncture device and a using method thereof, wherein the rapid venipuncture device comprises a guide wire, an outer catheter and a needle cylinder, the needle cylinder comprises a hollow push handle and a hollow cylinder, the push handle is in sliding connection with the hollow cylinder, the end part of the hollow cylinder is connected with a puncture needle, an auxiliary bin is formed in the push handle, an anti-reverse valve I is arranged on an auxiliary plate, the inner end of the push handle is fixedly connected with a rubber plug, the hollow cylinder comprises a blood storage bin, the rubber plug is provided with a plurality of channels, and the channels are communicated with the auxiliary bin and the blood storage bin; the empty cylinder is also provided with a skin expanding tube, the puncture needle is connected with the skin expanding tube through an anti-reverse valve II, when in use, the puncture needle pierces into a blood vessel to enable blood to enter a blood storage cabin, the guide wire is manually penetrated through the push handle and enters the blood vessel through the needle head, the push handle is pushed to enable the skin expanding tube to enter the skin, and the guide wire is left to pull out the whole device and then is placed in a reserved tube; the device can reduce the time that venipuncture needs, reduces staff's operating procedure, improves the puncture success rate.)

1. The utility model provides a quick vein puncture device, includes guide wire, outer catheter and cylinder, the cylinder includes hollow push handle and empty section of thick bamboo, push handle with empty section of thick bamboo sliding connection, empty section of thick bamboo has pjncture needle, its characterized in that at end connection: an auxiliary plate is arranged in the middle section of the push handle to divide a cavity in the push handle into an inner part and an outer part, an auxiliary bin is formed in the inner part, an anti-reverse valve I is arranged on the auxiliary plate, a rubber plug is fixedly connected to the inner end of the push handle, a blood storage bin is formed by a closed cavity between the rubber plug and the hollow cylinder, a plurality of channels are formed in the rubber plug, one channel is located in the middle of the rubber plug, and the channels are communicated with the auxiliary bin and the blood storage bin; the empty cylinder is further provided with a skin expanding tube on the same side of the puncture needle, the skin expanding tube penetrates through the empty cylinder, and the puncture needle is connected with the skin expanding tube through a check valve II.

2. The rapid venipuncture device of claim 1 wherein said hollow cylinder is made of a transparent material.

3. The rapid venipuncture device of claim 1 wherein said push handle is made of a transparent material.

4. The rapid venipuncture device of claim 1 wherein the junction of said hollow cartridge and said dilating catheter is provided with a sealing ring.

5. A use method of the rapid venipuncture device, which is characterized in that the rapid venipuncture device as claimed in any one of claims 1 to 4 is adopted, and the method comprises the following steps:

s1: fully sterilizing the part to be punctured of the patient, and taking up the push handle and the hollow cylinder by adopting aseptic operation;

s2: the puncture needle is punctured into the vein of the patient, and the blood enters the blood storage bin through the puncture needle;

s3: taking out the guide wire by aseptic operation, penetrating the guide wire through the cavity of the push handle, penetrating the rubber plug through the middle channel of the rubber plug through the check valve I, entering the puncture needle from the center of the skin expanding tube, and further penetrating the puncture needle into the vein of the patient;

s4: the push handle is pushed, so that the rubber plug is driven to push the skin expanding tube out to enter the skin of the patient, and the skin expanding process is completed;

s5: the push handle is pushed, so that the rubber plug is driven to push the skin expanding tube out to enter the skin of the patient, and the skin expanding process is completed;

s6: the syringe is drawn out, a part of the guide wire is left in the body of the patient, the outer catheter is penetrated into the vein of the patient along the guide wire, then the guide wire is drawn out, the outer catheter is safely fixed, and the venipuncture process is completed.

6. The use method of the rapid venipuncture apparatus as claimed in claim 5, wherein during the pushing out of the dilating tube in step S4, the blood in the blood storage chamber is channeled into the auxiliary chamber, and the anti-reverse valve II prevents the blood from entering the patient along the space between the dilating tube and the puncture needle.

Technical Field

The invention relates to the technical field of venipuncture, in particular to a rapid venipuncture device and a using method thereof.

Background

The vein puncture technology is a technology commonly used in clinic, the vein puncture is commonly used for blood sampling inspection and transfusion treatment, a arteriovenous puncture trocar commonly used in clinic mainly comprises a puncture needle and an outer catheter, when the arteriovenous puncture trocar is used, the puncture needle is firstly used for puncturing a target blood vessel, then a guide wire is arranged, then the puncture needle is withdrawn and the guide wire is reserved, then skin expansion is carried out to relieve the pain of a patient, finally the outer catheter is arranged along the guide wire, the guide wire is drawn out, and the catheter is reserved; however, the puncturing process is very complicated, the requirement on the skill is high, and medical staff with less experience often cannot puncture the needle successfully at one time, so that the pain of the patient is increased, and uneasiness and anxiety are brought to both the medical staff and the patient.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a rapid vein puncture device and a using method thereof.

The technical scheme adopted by the invention for solving the technical problems is as follows:

on one hand, the application provides a rapid venipuncture device, which comprises a guide wire, an outer catheter and a needle cylinder, wherein the needle cylinder comprises a hollow push handle and an empty cylinder, the push handle is in sliding connection with the empty cylinder, the end part of the empty cylinder is connected with a puncture needle, the middle section of the push handle is provided with an auxiliary plate which divides a cavity in the push handle into an inner part and an outer part, the inner part forms an auxiliary bin, the auxiliary plate is provided with an anti-reverse valve I which prevents blood in the auxiliary bin from flowing out, the inner end of the push handle is fixedly connected with a rubber plug, a closed cavity between the rubber plug and the empty cylinder forms a blood storage bin, the rubber plug is provided with a plurality of channels, one channel is positioned in the middle of the rubber plug, and the channels are communicated with the auxiliary bin and the blood storage bin; the empty cylinder is further provided with a skin expanding tube on the same side of the puncture needle, the skin expanding tube penetrates through the empty cylinder, and the puncture needle is connected with the skin expanding tube through a check valve II.

Preferably, the hollow cylinder is made of transparent materials.

Preferably, the push handle is made of transparent materials.

Preferably, a sealing ring is arranged at the joint of the hollow cylinder and the skin expanding pipe.

On the other hand, the application provides a use method of a rapid venipuncture device, and the rapid venipuncture device comprises the following steps:

s1: fully sterilizing the part to be punctured of the patient, and taking up the push handle and the hollow cylinder by adopting aseptic operation;

s2: the puncture needle is punctured into the vein of the patient, and the blood enters the blood storage bin through the puncture needle;

s3: taking out the guide wire by aseptic operation, penetrating the guide wire through the cavity of the push handle, penetrating the rubber plug through the middle channel of the rubber plug through the check valve I, entering the puncture needle from the center of the skin expanding tube, and further penetrating the puncture needle into the vein of the patient;

s4: the push handle is pushed, so that the rubber plug is driven to push the skin expanding tube out to enter the skin of the patient, and the skin expanding process is completed;

s5: the push handle is pushed, so that the rubber plug is driven to push the skin expanding tube out to enter the skin of the patient, and the skin expanding process is completed;

s6: the syringe is drawn out, a part of the guide wire is left in the body of the patient, the outer catheter is penetrated into the vein of the patient along the guide wire, then the guide wire is drawn out, the outer catheter is safely fixed, and the venipuncture process is completed.

Specifically, in the process of pushing out the skin expanding tube in the step S4, the blood in the blood storage bin enters the auxiliary bin through the channel, and meanwhile, the anti-reverse valve II prevents the blood from entering the patient body along the gap between the skin expanding tube and the puncture needle, so as to prevent the blood in the blood storage bin from compressing the blood which may be generated when the piston drives the rubber plug to move, thereby preventing the puncture needle from entering the patient body.

Compared with the prior art, the invention has the beneficial effects that: (1) the skin expanding tube is arranged on the needle cylinder, and the guide wire is placed after the puncture needle is inserted, so that the skin expanding tube can be directly pushed into the body of a patient to complete skin expansion; (2) through the structure cooperation of the auxiliary bin, the anti-reverse valve I, the anti-reverse valve II, the auxiliary plate and the like, the extracted blood can be stored in the auxiliary bin or the blood storage bin, can be used for other examinations, reduces the blood extraction times, relieves the pain of a patient, and can prevent other adverse conditions of the patient such as blood compression and the like.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of the structure of the barrel portion of the rapid venipuncture apparatus proposed in the present application.

Fig. 2 is a partial enlarged view at I in fig. 1.

Fig. 3 is a sectional view taken in the direction of a-a in fig. 2.

Fig. 4 is a left side view of the structure of the anti-reverse valve I.

Description of reference numerals:

1, empty cylinder; 2, pushing a handle; 3 an auxiliary plate; 4, a check valve I; 5, a rubber plug; 6, sealing rings; 7, a check valve II; 8, expanding a leather hose; 9, puncturing needles; 10 a blood storage bin; 11 a channel; 12 auxiliary bins.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Example one

The embodiment provides a rapid venipuncture device, which comprises a guide wire, an outer catheter and a needle cylinder, wherein the needle cylinder comprises a hollow push handle 2 made of transparent material and a hollow cylinder 1 made of transparent material, the push handle 2 is in sliding connection with the hollow cylinder 1, the end part of the hollow cylinder 1 is connected with a puncture needle 9, the middle section of the push handle 2 is provided with an auxiliary plate 3 which divides a cavity in the push handle 2 into an inner part and an outer part, the inner part forms an auxiliary bin 12, the auxiliary plate 3 is provided with an anti-reverse valve I4, the push handle 2 is fixedly connected with a rubber plug 5 at the inner end, a closed cavity between the rubber plug 5 and the hollow cylinder 1 forms a blood storage bin 10, the rubber plug 5 is provided with a plurality of channels 11, one channel 11 is positioned in the middle of the rubber plug 5, and the channels 11 are communicated with the auxiliary bin 12 and the blood storage bin 10; the empty cylinder 1 is also provided with a skin expanding tube 8 on the same side of the puncture needle 9, the skin expanding tube 8 penetrates through the empty cylinder 1, a sealing ring 6 is arranged at the joint of the empty cylinder 1 and the skin expanding tube 8, and the puncture needle 9 is connected with the skin expanding tube 8 through a check valve II 7.

The embodiment further provides a use method of the rapid venipuncture device, and the rapid venipuncture device specifically comprises the following steps:

s1: fully sterilizing the part of the patient to be punctured, and taking up the push handle 2 and the hollow cylinder 1 by adopting aseptic operation;

s2: the puncture needle 9 is punctured into the vein of the patient, and the blood enters the blood storage bin 10 through the puncture needle 9;

s3: taking out the guide wire by aseptic operation, penetrating the guide wire through the cavity of the push handle 2, penetrating the rubber plug 5 through the middle channel 11 of the check valve I4, entering the puncture needle 9 from the center of the skin expanding tube 8, and further penetrating the vein of the patient;

s4: the push handle 2 is pushed, so that the rubber plug 5 is driven to push the skin expanding tube 8 out to enter the skin of the patient, and the skin expanding process is completed;

s5: the push handle 2 is pushed, so that the rubber plug 5 is driven to push the skin expanding tube 8 out to enter the skin of the patient, and the skin expanding process is completed;

s6: the syringe is drawn out, a part of the guide wire is left in the body of the patient, the outer catheter is penetrated into the vein of the patient along the guide wire, then the guide wire is drawn out, the outer catheter is safely fixed, and the venipuncture process is completed.

Specifically, in the process of pushing out the dilating tube 8 in step S4, the blood in the blood storage bin 10 enters the auxiliary bin 12 through the channel 11, and at the same time, the check valve II7 prevents the blood from entering the patient along the gap between the dilating tube 8 and the puncture needle 9.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.