CN211096080U

CN211096080U - Blood transfusion bag containing needleless connector

Info

Publication number: CN211096080U
Application number: CN201921918998.8U
Authority: CN
Inventors: 蒋孝松; 蔡建政; 唐兆芳
Original assignee: First Affiliated Hospital of Suzhou University
Current assignee: First Affiliated Hospital of Suzhou University
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-28
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to a blood transfusion bag that contains needleless connector, including blood transfusion bag, be equipped with into blood mouth and bleeding mouth on the blood transfusion bag, be equipped with needleless connector on the bleeding mouth of blood transfusion bag, needleless connector includes the cap, the inside cross-under of cap has the joint pipeline, the outer terminal surface of cap is extended to the one end of joint pipeline, and the other end is linked together with the bleeding mouth of blood transfusion bag, extends be equipped with the screw thread formation screwed joint pipe on the joint pipeline of the outer terminal surface part of cap, needleless connector passes through the screwed joint pipe and is connected with the joint screw-thread fit on the corresponding infusion leather hose. The utility model discloses the blood transfusion structure is difficult for receiving external force tractive and drops, not only avoids the risk of transfusion type blood in clinical, can not puncture the security that blood transfusion bag greatly increased the blood transfusion moreover, has avoided spilling of remaining blood goods in the blood bag when having reduced blood goods extravagant, has avoided the medical waste pollution.

Description

Blood transfusion bag containing needleless connector

Technical Field

The utility model relates to the technical field of medical care instruments, concretely relates to blood transfusion bag that contains needleless connector.

Background

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

1. the connection between the bleeding port of the traditional blood transfusion bag and the needle tip of the blood transfusion device is easy to be pulled off by external force, so that the risk of blood transfusion is increased.

2. The traditional blood transfusion bag outlet needs to be connected with the needle point of a blood transfusion device, so that the blood transfusion bag is easy to puncture, and the waste of blood products is caused.

3. The traditional blood transfusion bag is provided with a disposable open type connector, once the connector is opened, residual blood cannot be stored, waste of blood products is easily caused, and medical waste pollution is caused by leakage of the residual blood.

4. The connection of the traditional blood transfusion bag outlet and the transfusion device needle tip is easy to cause the pollution of rubber particles and increase the probability of hand pollution.

In order to solve the above problems, the utility model provides a blood transfusion bag containing a needleless connector, which combines the blood transfusion bag and the needleless connector to solve the above disadvantages.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems in the prior art and provide a blood transfusion bag with a needleless connector.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the utility model provides a blood transfusion bag that contains needleless connector, includes blood transfusion bag, be equipped with into blood mouth and bleeding mouth on the blood transfusion bag, be equipped with needleless connector on the bleeding mouth of blood transfusion bag, needleless connector includes the cap, the inside cross-under of cap has the joint pipeline, the outer terminal surface of cap is extended to the one end of joint pipeline, and the other end is linked together with blood transfusion bag's bleeding mouth, extends be equipped with the screw thread on the joint pipeline of the outer terminal surface part of cap and forms threaded connector pipe, needleless connector passes through the threaded connector pipe and is connected with the joint screw-thread fit on the corresponding infusion leather hose.

Further, the thread of the threaded connector tube of the needleless connector is an external thread.

Further, the infusion device also comprises a closed protective sleeve which is matched and connected with the threaded connector pipe of the needleless connector and is used for connecting one end of the infusion needleless connector for disinfection and isolation when the infusion is not carried out.

Furthermore, the closed protective sleeve is sealed by screwing the inner thread and the threaded connector pipe of the needleless connector or is elastically sleeved on the threaded connector pipe of the needleless connector to realize sealing.

Furthermore, the connector pipeline of the needleless connector and the blood outlet of the blood transfusion bag are arranged in an integrated structure.

Furthermore, the diameter of the threaded connector pipe of the needleless connector corresponds to the blood type of the blood transfusion bag, so that only the connector on the transfusion leather pipe corresponding to the consistent blood type is matched and connected with the threaded connector pipe of the needleless connector, the clinical check is strengthened, the misoperation is avoided, and the risk of transfusion of the abnormal blood is reduced.

The utility model has the advantages that:

1. the blood transfusion bag adopts the threaded connection of the needleless connector and the transfusion tube connector on the transfusion leather tube, and is not easy to fall off due to the traction of external force, thereby increasing the safety of blood transfusion;

2. compared with a needle-free connector, the needle-free connector of the blood transfusion bag of the utility model avoids the risk of puncturing the blood transfusion bag;

3. the needleless connector of the blood transfusion bag of the utility model can more easily preserve the residual blood of the patient, reduce the waste of blood products, avoid the leakage of the residual blood products in the blood transfusion bag and avoid the pollution of medical waste;

4. the utility model discloses the condition of puncturing repeatedly and changing the fluid infusion in traditional blood transfusion has been avoided through threaded connection to the needleless connector of blood transfusion bag and the infusion coupling on the infusion leather hose, greatly reduced the possibility of rubber bits particle pollution and hand pollution.

5. The utility model discloses the needleless connector of blood transfusion bag and the blood group one-to-one of blood transfusion bag internal blood have strengthened clinical check, greatly reduced the risk of defeated abnormal blood.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the separation of the needleless connector and the infusion tube connector of the present invention;

fig. 3 is a schematic diagram of the separation of the closed protective sheath and the needleless connector of the present invention.

The reference numbers in the figures illustrate: 1. the blood transfusion bag comprises a blood transfusion bag body 11, a blood inlet 12, a blood outlet 2, a needleless connector 21, a cap seat 22, a connector pipeline 221, a threaded connector pipe 3, an infusion pipe connector 4 and a sealing protective sleeve.

Detailed Description

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

As shown in fig. 1, a blood transfusion bag containing a needleless connector comprises a blood transfusion bag 1, wherein a blood inlet 11 and a blood outlet 12 are arranged on the blood transfusion bag 1, a needleless connector 2 is arranged on the blood outlet 12 of the blood transfusion bag 1, the needleless connector 2 comprises a cap base 21, a connector pipeline 22 penetrates through the cap base 21, one end of the connector pipeline 22 extends out of the outer end face of the cap base 21, the other end of the connector pipeline is communicated with the blood outlet 12 of the blood transfusion bag 1, a threaded connector pipe 221 is formed by threads on the connector pipeline 22 extending out of the outer end face of the cap base 21, and the needleless connector 2 is in threaded fit connection with a connector on a corresponding transfusion leather pipe through the threaded connector pipe 221.

As shown in fig. 2, the thread of the screwed joint pipe 221 of the needleless joint 2 is an external thread, in this embodiment, the joint on the transfusion leather hose adopts the transfusion pipe joint 3 to match with the needleless joint 2, the transfusion pipe joint 3 is composed of a screwed cap and a transfusion pipeline penetrating into the screwed cap, the transfusion pipeline is inserted into the screwed joint pipe 221 to form a blood communication channel, in this embodiment, an elastic rubber plug commonly used in the field is further arranged in the screwed joint pipe 221, when the transfusion pipeline of the transfusion pipe joint 3 is inserted into the screwed joint pipe 221, the elastic rubber plug is pushed open by the convex nipple at the front end of the transfusion pipeline, communication is realized, an internal thread is arranged on the inner wall of the screwed cap, the internal thread of the screwed cap is screwed with the external thread of the screwed joint pipe 221 to form an external fixed connection structure.

As shown in fig. 3, the infusion device further comprises a closed protective sleeve 4 which is matched and connected with the threaded connector tube 221 of the needle-free connector 2 and is used for connecting one end of the infusion needle-free connector 2 for disinfection and isolation when the infusion is not carried out.

The airtight protective sleeve 4 is sealed by screwing the threaded connector pipe 221 of the internal thread and the needleless connector 2 or is sleeved on the threaded connector pipe 221 of the needleless connector 2 in an elastic mode, in the embodiment, when the airtight protective sleeve 4 is made of hard materials such as plastics, the internal thread is arranged on the inner wall of the airtight protective sleeve 4 and is sealed by screwing the threaded connector pipe 221 of the needleless connector 2, when the airtight protective sleeve 4 is made of elastic materials such as silica gel, the airtight protective sleeve is directly sleeved on the threaded connector pipe 221 of the needleless connector 2 to realize sealing, and when the airtight protective sleeve 4 is used, the airtight protective sleeve 4 is pulled out.

The connector pipeline 22 of the needleless connector 2 and the blood outlet 12 of the blood transfusion bag 1 are arranged in an integral structure, and in the embodiment, the connector pipeline 22 of the needleless connector 2 and the blood outlet 12 of the blood transfusion bag 1 are directly fused and communicated with each other during production.

The diameter of the screwed joint pipe 221 of the needleless connector 2 corresponds to the blood type of the blood transfusion bag 1, so that only the connectors on the transfusion leather tube corresponding to the consistent blood type are matched and connected with the screwed joint pipe 221 of the needleless connector 2, clinical checking is enhanced, misoperation is avoided, the risk of transfusion of the abnormal blood is greatly reduced, in the embodiment, for example, aiming at four transfusion bags 1 of A type, B type, AB type and O type, the needleless connectors 2 of four diameters are also arranged to be in one-to-one correspondence with the needleless connectors, meanwhile, the transfusion pipe connectors 3 of four diameters are arranged to be in one-to-one correspondence with the needleless connectors 2, only the transfusion pipe connectors 3 on the transfusion leather tube corresponding to the consistent blood type can be connected with the needleless connectors 2, otherwise, the diameters are not up, and the connection cannot.

The working process and principle of the utility model

The utility model discloses a draw blood bank the utility model discloses a blood transfusion bag 1 back, at first select with blood group assorted infusion leather hose, then take off the airtight protective sheath 4 of needleless connector 2 front end, the screwed joint pipe 221 of needleless connector 2 on infusion leather hose's transfer line joint 3 and the blood transfusion bag 1 carries out threaded connection, when the transfer line joint 3 of infusion leather hose and the screwed joint pipe 221 diameter of the needleless connector 2 of blood transfusion bag 1 match, it matches to show the blood group in infusion leather hose blood group kind and the blood transfusion bag 1, the intercommunication is successful, blood source in the blood transfusion bag 1 constantly flows into in the infusion leather hose.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

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.