CN211096080U - A blood transfusion bag containing a needleless connector - Google Patents

Abstract

The utility model relates to a blood transfusion bag containing a needleless connector, comprising a blood transfusion bag, a blood inlet and a bleeding outlet are arranged on the blood transfusion bag, a needleless connector is arranged on the bleeding outlet of the blood transfusion bag, and the needleless connector is provided on the blood transfusion bag. It includes a cap seat, the inside of the cap seat is connected with a joint pipeline, one end of the joint pipeline extends out of the outer end surface of the cap seat, and the other end is communicated with the bleeding port of the blood transfusion bag and extends out of the cap seat The joint pipeline of the end face part is provided with a thread to form a threaded joint pipe, and the needleless joint is threadedly connected with the joint on the corresponding infusion tube through the threaded joint pipe. The blood transfusion structure of the utility model is not easily pulled off by external force, not only avoids the risk of transfusion of abnormal blood in clinical practice, but also does not penetrate the blood transfusion bag, which greatly increases the safety of blood transfusion, reduces the waste of blood products, and avoids the risk of blood transfusion in the blood bag. The leakage of residual blood products avoids the pollution of medical waste.

Description

A blood transfusion bag containing a needleless connector

technical field

The utility model relates to the technical field of medical care appliances, in particular to a blood transfusion bag containing a needleless connector.

Background technique

The existing blood transfusion bag as a blood supply device has the following shortcomings:

1. The connection between the bleeding interface of the traditional blood transfusion bag and the needle tip of the blood transfusion device is easily pulled off by external force, which increases the risk of blood transfusion.

2. The bleeding port of the traditional blood transfusion bag needs to be connected with the needle tip of the blood transfusion device, which is easy to puncture the blood transfusion bag and cause waste of blood products.

3. The traditional blood transfusion bag bleeding port is a one-time open connector. Once opened, the remaining blood cannot be saved, which is easy to cause waste of blood products and leakage of residual blood, resulting in medical waste pollution.

4. The connection between the traditional blood transfusion bag bleeding port and the needle tip of the blood transfusion device is easy to cause contamination of plastic particles and also increases the probability of hand contamination.

In view of the above problems, the present invention provides a blood transfusion bag containing a needleless connector, which combines the blood transfusion bag and the needleless connector to solve the above shortcomings.

Utility model content

The purpose of the utility model is to overcome the problems existing in the prior art and provide a blood transfusion bag containing a needleless connector.

In order to realize the above-mentioned technical purpose and achieve the above-mentioned technical effect, the present invention realizes through the following technical solutions:

A blood transfusion bag containing a needleless connector, comprising a blood transfusion bag, a blood inlet and a bleeding port are provided on the blood transfusion bag, a needleless connector is provided on the bleeding port of the blood transfusion bag, and the needleless connector includes a cap seat, The inside of the cap seat is connected with a joint pipeline, one end of the joint pipeline extends out of the outer end surface of the cap seat, and the other end is connected with the bleeding port of the blood transfusion bag, and extends out of the joint on the outer end surface of the cap seat. The pipeline is provided with a thread to form a threaded joint pipe, and the needleless joint is threadedly connected with the joint on the corresponding infusion tube through the threaded joint pipe.

Further, the thread of the threaded joint pipe of the needleless joint is an external thread.

Further, it also includes an airtight protective sleeve that is matched and connected with the threaded joint tube of the needle-free joint, and is used for disinfection and isolation at one end of the needle-free joint when infusion is not in use.

Further, the airtight protective sleeve is provided with an internal thread to be screwed and fitted with the threaded joint tube of the needleless joint, or is sleeved on the threaded joint tube of the needleless joint in an elastic manner to achieve sealing.

Further, the joint pipeline of the needleless joint and the bleeding port of the blood transfusion bag are provided in an integrated structure.

Further, the diameter of the threaded joint tube of the needleless joint corresponds to the blood type of the blood transfusion bag, so that only the joint on the infusion tube corresponding to the same blood type is matched with the threaded joint tube of the needleless joint, which strengthens clinical verification. , to avoid misoperation and reduce the risk of transfusion of abnormal blood.

The beneficial effects of the present utility model are:

1. The blood transfusion bag of the present utility model adopts the threaded connection of the needleless connector and the infusion tube connector on the infusion tube, which is not easily pulled off by external force, which increases the safety of blood transfusion;

2. The needleless connector of the blood transfusion bag of the present invention avoids the risk of puncturing the blood transfusion bag compared with the needle-punched connector;

3. The needle-free connector of the blood transfusion bag of the present invention is easier to preserve the remaining blood of the patient, reduces the waste of blood products, avoids the leakage of the residual blood products in the blood transfusion bag, and avoids the pollution of medical waste;

4. The needleless connector of the blood transfusion bag of the present invention and the infusion tube connector on the infusion tube are threadedly connected to avoid repeated puncturing and replacement of fluid in traditional blood transfusion, and greatly reduce the possibility of plastic particle pollution and hand pollution.

5. The needleless connector of the blood transfusion bag of the present invention corresponds to the blood type of the blood in the blood transfusion bag one-to-one, which strengthens clinical verification and greatly reduces the risk of transfusion of abnormal blood types.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the separation schematic diagram of the needleless joint of the present invention and the infusion pipe joint;

3 is a schematic diagram of the separation of the airtight protective sleeve and the needleless connector of the present invention.

Description of the symbols in the figure: 1, blood transfusion bag, 11, blood inlet, 12, bleeding port, 2, needleless connector, 21, cap seat, 22, connector pipeline, 221, threaded connector tube, 3, infusion tube connector, 4, airtight protective cover.

Detailed ways

The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in FIG. 1 , a blood transfusion bag containing a needleless connector includes a blood transfusion bag 1 , the blood transfusion bag 1 is provided with a blood inlet 11 and a bleeding port 12 , and the bleeding port 12 of the blood transfusion bag 1 is provided with The needleless connector 2, the needleless connector 2 includes a cap seat 21, a connector pipeline 22 is penetrated through the inside of the cap seat 21, one end of the connector pipeline 22 extends out of the outer end surface of the cap seat 21, and the other end Connected with the bleeding port 12 of the blood transfusion bag 1, the joint pipeline 22 extending out of the outer end surface of the cap seat 21 is provided with a threaded joint pipe 221, and the needleless joint 2 is connected to the corresponding infusion through the threaded joint pipe 221. The fittings on the hose are threaded for connection.

As shown in FIG. 2 , the thread of the threaded joint tube 221 of the needleless joint 2 is an external thread. In this embodiment, the joint on the infusion tube adopts the infusion tube joint 3 to cooperate with the needleless joint 2, and the infusion The pipe joint 3 is composed of a screw cap and an infusion pipeline threaded into the screw cap. The infusion pipeline is inserted into the threaded joint tube 221 to form a blood communication channel. In this embodiment, the threaded joint tube 221 is also provided with a field of For the commonly used elastic rubber plug, when the infusion pipeline of the infusion pipe joint 3 is inserted into the threaded joint pipe 221, the convex nipple at the front end of the infusion pipeline pushes the elastic rubber plug to achieve communication, and the inner wall of the screw cap is provided with an inner thread , the internal thread of the screw cap is screwed and matched with the external thread of the threaded joint pipe 221 to form an external fixed connection structure.

As shown in FIG. 3 , it also includes an airtight protective sleeve 4 that is matched and connected to the threaded joint tube 221 of the needleless connector 2 , and is used for disinfection and isolation at one end of the needleless connector 2 when not infusion.

The airtight protective sleeve 4 is provided with an internal thread and is screwed to the threaded joint pipe 221 of the needleless joint 2 for sealing, or is sleeved on the threaded joint pipe 221 of the needleless joint 2 in an elastic manner to achieve sealing. In this embodiment, , When the airtight protective sleeve 4 is made of hard materials such as plastic, the inner wall of the airtight protective sleeve 4 is provided with an internal thread and is screwed and sealed with the threaded joint tube 221 of the needleless connector 2. When the airtight protective sleeve 4 is made of elastic materials such as silicone, directly It is sleeved on the threaded joint tube 221 of the needleless joint 2 to achieve sealing, and the sealing protective cover 4 can be pulled out when in use.

The joint pipeline 22 of the needleless joint 2 and the bleeding port 12 of the blood transfusion bag 1 are provided in an integrated structure. In this embodiment, the joint pipeline 22 of the needleless joint 2 and the bleeding port 12 of the blood transfusion bag 1 are in production fuse directly together and remain connected.

The diameter of the threaded joint tube 221 of the needleless joint 2 corresponds to the blood type of the blood transfusion bag 1, so that only the joint on the infusion tube corresponding to the same blood type is connected with the threaded joint tube 221 of the needleless joint 2, which strengthens the Clinical verification, avoiding misoperation, and greatly reducing the risk of transfusion of different types of blood, in this embodiment, for example, for the four types of blood transfusion bags 1 of type A, type B, type AB and type O, four diameters of needleless connectors 2 are also provided. One-to-one correspondence with them, and set four diameters of infusion tube joints 3 and needleless joints 2 one-to-one correspondence, only the infusion tube joints 3 and needleless joints 2 on the infusion tube with the same blood type can be connected, otherwise the diameter Sorry, can't connect.

The working process and principle of the utility model

After receiving the blood transfusion bag 1 of the present invention from the blood bank, first select a transfusion tube that matches the blood type, then remove the airtight protective cover 4 at the front end of the needleless connector 2, and connect the infusion tube connector 3 of the transfusion tube to the blood transfusion tube. The threaded joint tube 221 of the needleless connector 2 on the bag 1 is threaded. When the diameter of the infusion tube connector 3 of the infusion tube and the threaded connector tube 221 of the needleless connector 2 of the blood transfusion bag 1 match, it indicates the blood type of the infusion tube. It is matched with the blood type in the blood transfusion bag 1, the connection is successful, and the blood in the blood transfusion bag 1 continuously flows into the transfusion tube.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a blood transfusion bag that contains needleless connector, includes blood transfusion bag (1), be equipped with blood inlet (11) and outlet (12) on blood transfusion bag (1), its characterized in that, be equipped with needleless connector (2) on outlet (12) of blood transfusion bag (1), needleless connector (2) are including cap (21), the inside cross-under of cap (21) has joint pipeline (22), the outer terminal surface of cap (21) is extended to the one end of joint pipeline (22), and the other end is linked together with outlet (12) of blood transfusion bag (1), extends be equipped with the screw thread on joint pipeline (22) of the outer terminal surface part of cap (21) and forms threaded connector pipe (221), needleless connector (2) are connected through the cooperation of joint screw thread on threaded connector pipe (221) and the corresponding infusion leather hose.

2. A transfusion bag containing a needleless connector according to claim 1, wherein the thread of the threaded connector tube (221) of the needleless connector (2) is an external thread.

3. A transfusion bag containing a needle-free connector according to claim 2, further comprising a hermetic protective cover (4) fittingly connected with the threaded connector tube (221) of the needle-free connector (2) for connecting to an end of the needle-free connector (2) for sterilization and isolation when not transfusing.

4. A transfusion bag containing a needleless connector according to claim 3, wherein the airtight protective sleeve (4) is sealed by screwing and matching with the screwed connector pipe (221) of the needleless connector (2) through arranging internal threads, or is sleeved on the screwed connector pipe (221) of the needleless connector (2) in an elastic way.

5. A transfusion bag containing a needleless connector according to claim 1, wherein the connector line (22) of the needleless connector (2) is provided in an integral structure with the blood outlet (12) of the transfusion bag (1).

6. The transfusion bag with the needle-free connector as recited in claim 1, wherein the diameter of the threaded connector tube (221) of the needle-free connector (2) corresponds to the blood type of the transfusion bag (1), so that only the connector on the transfusion leather tube with the corresponding blood type consistent is matched and connected with the threaded connector tube (221) of the needle-free connector (2), thereby enhancing the clinical check, avoiding misoperation and reducing the risk of transfusion of abnormal blood.

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