阅读说明：本技术 一种血袋防刺破装置 (Blood bag puncture-preventing device ) 是由 闫松霞 程聪 葛东梅 张少强 王龙 于 2020-08-21 设计创作，主要内容包括：本发明适用于医疗设备技术领域,提供了一种血袋防刺破装置,包括：血袋、固定座、推动板和固定柱,硬质网袋设置在血袋内部,固定座固定在血袋底部,固定座与血袋连接处设有第一密封层,固定座侧壁上连接有输药管,推动板与固定座滑动连接,将针管的针头穿过针管孔进入固定腔并刺穿第二密封层,针管即被固定在固定腔内,再向施力推动板使得推动板与固定座发生相对滑动,直至推动板与固定座贴合,针管即刺穿第一密封层进入延长硬管内,不必担心由于插入针管的速度过快导致针头刺破血袋的问题,插入针管时,血袋内部的硬质网袋有效保护血袋不被针管刺破,通过输药管向加药腔内输送药液,有效保证输血速率以及输血质量的同时辅助输液。(The invention is suitable for the technical field of medical equipment, and provides a blood bag puncture-preventing device, which comprises: the blood bag, the fixed seat, the pushing plate and the fixed column, the hard mesh bag is arranged in the blood bag, the fixed seat is fixed at the bottom of the blood bag, a first sealing layer is arranged at the joint of the fixed seat and the blood bag, the drug delivery tube is connected on the side wall of the fixed seat, the pushing plate is in sliding connection with the fixed seat, the needle head of the needle tube penetrates through the needle tube hole to enter the fixed cavity and pierce the second sealing layer, the needle tube is fixed in the fixed cavity, the pushing plate and the fixed seat slide relative to each other by applying force to the pushing plate until the pushing plate is attached to the fixed seat, the needle tube pierces the first sealing layer to enter the elongated hard tube, the problem that the needle head pierces the blood bag due to the fact that the needle head is too fast to insert the needle tube is avoided, when the, the medicine liquid is conveyed to the medicine adding cavity through the medicine conveying pipe, so that the auxiliary transfusion is realized while the blood transfusion speed and the blood transfusion quality are effectively ensured.)

1. A blood bag puncture prevention device comprising: a blood bag (1), a fixed seat (5), a push plate (11) and a fixed column (14), it is characterized in that the bottom of the blood bag (1) is provided with an annular extension hard tube (3), the extension hard tube (3) is fixedly connected with the hard mesh bag (4), the hard mesh bag (4) is arranged inside the blood bag (1), the fixed seat (5) is fixed at the bottom of the blood bag (1), the fixed seat (5) and the extension hard tube (3) are coaxially arranged, a first sealing layer (6) is arranged at the joint of the fixed seat (5) and the blood bag (1), the side wall of the fixed seat (5) is connected with a medicine conveying pipe (10), the push plate (11) is connected with the fixed seat (5) in a sliding way, the fixed column (14) and the pushing plate (11) are coaxially arranged, a fixed cavity (18) is arranged in the fixed column (14), and a second sealing layer (15) is arranged at the joint of the top of the fixed cavity (18) and the fixed column (14).

2. A blood bag puncture-proof device according to claim 1, wherein the top of the blood bag (1) is provided with a hanging hole (2), the pushing plate (11) is provided with a needle tube hole (13), and the needle tube hole (13) penetrates through the fixing column (14).

3. A blood bag puncture-proof device according to claim 1, wherein a drug adding cavity (8) is coaxially arranged in the fixing seat (5), and the first sealing layer (6) is arranged on the top of the drug adding cavity (8) and coaxially arranged with the drug adding cavity (8).

4. A blood bag puncture-proof device according to claim 1, wherein a one-way valve (9) is arranged at the connection of the drug delivery tube (10) and the fixed seat (5), and the one-way valve (9) is controlled by an external switch.

5. A blood bag puncture-proof device according to claim 1, wherein the fixing base (5) is provided with two sliding grooves (7), the sliding grooves (7) are arranged at the outer side of the medicine adding cavity (8) at equal included angles, and the outer side of the fixing column (14) is provided with a rubber layer (16).

6. A blood bag puncture-proof device according to claim 5, wherein each sliding groove (7) is slidably connected with a sliding block (12), the number of the sliding blocks (12) is two, the sliding blocks (12) are mounted on the pushing plate (11), each sliding block (12) is provided with a limiting ring (20), and the diameter of each limiting ring (20) is larger than that of each sliding block (12).

7. A blood bag puncture-proof device according to claim 1, wherein the pushing plate (11) is provided with a sealing groove (17), the first sealing layer (6) is disposed on the top of the sealing groove (17), and the fixing column (14) is sleeved with the fixing base (5) through the sealing groove (17).

Technical Field

The invention relates to the technical field of medical equipment, in particular to a blood bag puncture-preventing device.

Background

The blood bag is a device for storing blood, is mostly made of plastic materials, can cause massive bleeding of patients when people are injured or operations are performed, and needs to be used for blood transfusion of the patients.

The existing blood bag is made of plastic materials, and has no protection effect, so that the blood in the blood bag can be leaked easily due to the fact that the needle is punctured easily in the using process, when the needle is inserted into the blood bag body, the blood bag is often punctured by the needle due to the fact that the inserting speed is high, a medicine adding assembly is lacked on the blood bag, and medicine can be added only when physiological saline is input when a vein channel is established before blood transfusion.

Disclosure of Invention

The present invention is directed to a blood bag puncture preventing device to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a blood bag puncture prevention device comprising: blood bag, fixing base, slurcam and fixed column, the blood bag bottom is equipped with annular extension hard tube, extension hard tube and stereoplasm pocket fixed connection, the stereoplasm pocket sets up inside the blood bag, the fixing base is fixed in the blood bag bottom, and fixing base and extension hard tube coaxial arrangement, the fixing base is equipped with first sealing layer with the blood bag junction, be connected with the drug delivery pipe on the fixing base lateral wall, slurcam and fixing base sliding connection, fixed column and slurcam coaxial arrangement, the inside fixed chamber that is equipped with of fixed column, fixed chamber top is equipped with the second sealing layer with the fixed column junction.

As a further scheme of the invention: the blood bag top is equipped with the hanging hole, seted up the needle tube hole on the slurcam, and the needle tube hole runs through the fixed column.

As a still further scheme of the invention: the fixing seat is internally and coaxially provided with a dosing cavity, and the first sealing layer is arranged at the top of the dosing cavity and coaxially mounted with the dosing cavity.

As a still further scheme of the invention: the connecting part of the medicine conveying pipe and the fixed seat is provided with a one-way valve which is regulated and controlled by an external switch.

As a still further scheme of the invention: be equipped with the spout in the fixing base, spout quantity is two and is just to be arranged in the medicine chamber outside with the contained angle, the fixed column outside is equipped with the rubber layer.

As a still further scheme of the invention: every the spout all with slider sliding connection, slider quantity is two and all installs on the slurcam, every all be equipped with the spacing ring on the slider, the diameter of spacing ring is greater than the diameter of slider.

As a still further scheme of the invention: the improved structure is characterized in that a sealing groove is formed in the pushing plate, the first sealing layer is arranged at the top of the sealing groove, and the fixing column is sleeved with the fixing base through the sealing groove.

Compared with the prior art, the invention has the beneficial effects that: the needle head of the needle tube penetrates through the needle tube hole to enter the fixed cavity and pierce the second sealing layer, the needle tube is fixed in the fixed cavity, the pushing plate and the fixed seat are enabled to slide relative to each other by the force application pushing plate until the pushing plate is attached to the fixed seat, the needle tube pierces the first sealing layer to enter the extension hard tube, the problem that the needle head pierces a blood bag due to the fact that the needle tube is inserted too fast is avoided, when the needle tube is inserted, the hard mesh bag in the blood bag effectively protects the blood bag from being pierced by the needle tube, liquid medicine is conveyed into the medicine adding cavity through the medicine conveying tube, blood transfusion speed and blood transfusion quality are effectively guaranteed, and meanwhile, auxiliary transfusion is.

Drawings

Fig. 1 is a schematic structural view of a blood bag puncture-preventing device.

Fig. 2 is a partial structural diagram of the insertion state of the needle tube in the blood bag puncture preventing device.

Fig. 3 is a schematic structural diagram of a rigid mesh bag in a blood bag puncture-proof device.

Fig. 4 is a schematic structural view of a fixing seat in the blood bag puncture-preventing device.

Fig. 5 is a schematic structural view of a push plate in a blood bag puncture-preventing device.

In the drawings: 1-blood bag, 2-hanging hole, 3-extension hard tube, 4-hard mesh bag, 5-fixing seat, 6-first sealing layer, 7-chute, 8-dosing cavity, 9-one-way valve, 10-drug delivery tube, 11-pushing plate, 12-sliding block, 13-needle tube hole, 14-fixing column, 15-second sealing layer, 16-rubber layer, 17-sealing groove, 18-fixing cavity, 19-needle tube and 20-spacing ring.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

As shown in fig. 1 to 5, in an embodiment of the present invention, a blood bag puncture preventing device includes: blood bag 1, fixing base 5, slurcam 11 and fixed column 14, 1 bottom of blood bag is equipped with annular extension hard tube 3, extension hard tube 3 and 4 fixed connection of stereoplasm pocket, stereoplasm pocket 4 sets up inside blood bag 1, fixing base 5 is fixed in 1 bottom of blood bag, and fixing base 5 and 3 coaxial arrangement of extension hard tube, fixing base 5 is equipped with first sealing layer 6 with 1 junction of blood bag, be connected with medicine conveying pipe 10 on the 5 lateral walls of fixing base, slurcam 11 and 5 sliding connection of fixing base, fixed column 14 and slurcam 11 coaxial arrangement, the inside fixed chamber 18 that is equipped with of fixed column 14, the top of fixed chamber 18 is equipped with second sealing layer 15 with fixed column 14 junction.

As shown in fig. 1 to 5, as a preferred embodiment of the present invention, a hanging hole 2 is formed at the top of the blood bag 1, a needle tube hole 13 is formed on the push plate 11, and the needle tube hole 13 penetrates through a fixing post 14.

As shown in fig. 1 to 4, as another preferred embodiment of the present invention, a dosing cavity 8 is coaxially disposed in the fixing seat 5, and the first sealing layer 6 is disposed on the top of the dosing cavity 8 and coaxially mounted with the dosing cavity 8.

As shown in fig. 4, as another preferred embodiment of the present invention, a one-way valve 9 is disposed at a connection position of the drug delivery tube 10 and the fixed seat 5, and the one-way valve 9 is controlled by an external switch.

As shown in fig. 1 to 5, as another preferred embodiment of the present invention, sliding grooves 7 are provided in the fixing base 5, the number of the sliding grooves 7 is two, and the sliding grooves 7 are arranged at equal included angles outside the dosing cavity 8, and a rubber layer 16 is provided outside the fixing column 14.

As shown in fig. 1 to 5, as another preferred embodiment of the present invention, each sliding slot 7 is slidably connected to a sliding block 12, two sliding blocks 12 are installed on a pushing plate 11, each sliding block 12 is provided with a limiting ring 20, and the diameter of the limiting ring 20 is larger than that of the sliding block 12.

As shown in fig. 1 to 4, as another preferred embodiment of the present invention, a sealing groove 17 is disposed in the pushing plate 11, the first sealing layer 6 is disposed on the top of the sealing groove 17, and the fixing column 14 is sleeved with the fixing base 5 through the sealing groove 17.

In practical application, when the needle tube 19 is inserted, the needle head of the needle tube 19 passes through the needle tube hole 13 and enters the fixed cavity 18, and penetrates through the second sealing layer 15, after the hand is released, the needle tube 19 is fixed in the fixed cavity 18, the needle head is positioned in the medicine adding cavity 8 and does not penetrate through the first sealing layer 6, the hand is pressed on the pushing plate 11, the force is applied to enable the sliding block 12 to move towards the blood bag 1 side in the sliding groove 7, the pushing plate 11 slides relative to the fixed seat 5 until the pushing plate 11 is attached to the fixed seat 5, the needle head of the needle tube 19 penetrates through the first sealing layer 6 and enters the extension hard tube 3, the blood bag is completely penetrated, blood conveying is started, the problem that the needle head penetrates through the blood bag due to the fact that the speed of inserting the needle tube 19 is too high is avoided, and when the needle tube 19 is inserted, the hard mesh bag 4 in the blood bag 1 effectively protects the blood bag 1 from.

In practical application, when medicine needs to be added, the needle head of the needle tube 19 is pulled out to the medicine adding cavity 8, the check valve 9 is controlled to be in an open state through an external switch (not shown in the figure), and then liquid medicine is conveyed into the medicine adding cavity 8 through the medicine conveying tube 10, the liquid medicine enters the needle head of the needle tube 19 along with blood and is conveyed into a patient body, so that the blood transfusion speed and the blood transfusion quality are effectively guaranteed, meanwhile, the auxiliary transfusion is realized, and the setting of the check valve 9 effectively guarantees that the blood cannot flow out along the medicine conveying tube 10.

The working principle of the invention is as follows: the needle of the needle tube 19 passes through the needle tube hole 13 to enter the fixed cavity 18 and pierce the second sealing layer 15, the needle tube 19 is fixed in the fixed cavity 18, the needle is positioned in the dosing cavity 8 and does not pierce the first sealing layer 6, the pushing plate 11 and the fixed seat 5 slide relatively by applying force on the pushing plate 11 with hands until the pushing plate 11 is attached to the fixed seat 5, the needle of the needle tube 19 pierces the first sealing layer 6 and enters the extension hard tube 3 to pierce the blood bag and start to deliver blood, the problem that the needle pierces the blood bag due to the fact that the speed of inserting the needle tube 19 is too high is avoided, the needle of the needle tube 19 is pulled out into the dosing cavity 8, the check valve 9 is controlled to be in an open state by an external switch, and then the medicine liquid is conveyed into the medicine adding cavity 8 through the medicine conveying pipe 10, so that the medicine liquid enters the needle head of the needle tube 19 along with blood and is conveyed to a patient body, and the blood transfusion speed and the blood transfusion quality are effectively guaranteed while auxiliary transfusion is carried out.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.