Flow stopping clamp for remaining needle

Abstract

The utility model provides a flow stopping clamp for a remaining needle, which comprises a U-shaped elastic body, a connecting part is arranged at one end of the elastic body, and penetrating openings are formed in the middle of the connecting part and the middle of the elastic body; the middle of the guide part is obliquely connected with the free end of the connecting part; the first clamping part is located inside one end of the elastic body away from the connecting part; the second clamping part is positioned on the inner side of the elastic body; the unlocking piece is hinged to the elastic body, and an unlocking part is arranged on the unlocking piece. According to the flow stopping clamp for the remaining needle, the operation convenience is higher.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices and relates to a stop clamp for an indwelling needle. Background Art

[0002] The use of indwelling needles can reduce the pain caused by repeated intravenous punctures in children and the fear of injections, relieve the anxiety of parents, facilitate clinical medication, rescue medication for critically ill patients, reduce the workload of nurses, and reduce the pain of children. Therefore, indwelling needles are widely used in clinical practice. Facing the special group of children, the length of the indwelling time of indwelling needles and the comfort of children have become the most concerned issues for nurses and parents, and are also the signs of the successful use of indwelling needles and the premise for their promotion.

[0003] The indwelling needle mainly includes structures such as a steel needle, a flexible tube, and a heparin cap. At the same time, a stop clamp (also called a water stop clamp) is also provided on the flexible tube to prevent blood from flowing out of the flexible tube. Currently, the common stop clamps mainly include a C-shaped elastic body and two clamping parts located on the inner wall of the elastic body. At the same time, the two ends of the elastic body can be clamped together; when stopping the flow, its two ends are clamped together, and at the same time, the two clamping parts clamp the flexible tube to prevent the liquid from flowing through; when the liquid needs to flow through, one end is buckled outward, so that the two ends of the stop clamp are separated, and then under the action of the elastic restoring force of the elastic body, the two clamping parts are separated, so that the fluid can pass through the flexible tube. However, it is found in practice that since the entire stop clamp is small, when opening the flexible tube and buckling one end of the elastic body outward, the operation convenience is low. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a stop clamp for an indwelling needle, aiming to solve the problem of low operation convenience.

[0005] To solve the above technical problems, the utility model provides a stop clamp for an indwelling needle, including:

[0006] An elastic body in a U shape, one end of the elastic body is provided with an arc-shaped connecting part, the opening of the connecting part faces the elastic body, and through holes are opened through the connecting part and the middle part of the elastic body;

[0007] A guiding part, the middle part of the guiding part is obliquely connected to the free end of the connecting part, and when the free end of the elastic body abuts against the guiding part, the free end of the connecting part can be driven to move away from the elastic body;

[0008] A first clamping part, the first clamping part is located inside the elastic body at the end away from the connecting part;

[0009] The second clamping part, the second clamping part is located inside the elastic body, and the second clamping part is opposite to the first clamping part. When the free end of the elastic body crosses the guiding part, the connecting part elastically rebounds, and is buckled to the outside of the free end of the elastic body through the bottom of the guiding part, and a clamping space is formed between the first clamping part and the second clamping part;

[0010] The unlocking part, the unlocking part is hinged to the elastic body, an unlocking portion is provided on the unlocking part, and rotating the unlocking part can drive the guiding part to move away from the elastic body through the unlocking portion, and separate the free end of the elastic body from the guiding part.

[0011] The present utility model is further configured such that the unlocking part includes a U-shaped body part and hinge parts located inside both ends of the body part. The body part is made of an elastic material. The first clamping part is located inside the opening of the body part. A hinge hole is formed through the second clamping part, and both hinge parts are rotatably located in the hinge hole.

[0012] The present utility model is further configured such that the unlocking portion is arc-shaped, and the opening of the unlocking portion faces the elastic body. The middle part of the unlocking portion is connected to the middle part of the body part.

[0013] The present utility model is further configured such that an arc-shaped operation part is provided at one end of the unlocking part away from the guiding part, and the opening of the operation part faces away from the elastic body.

[0014] The present utility model is further configured such that a movable part is provided inside the body part, a movable groove is formed on the outside of the first clamping part, and the free end of the movable part is movably located in the movable groove.

[0015] The present utility model is further configured such that there are two movable parts, and the two movable parts are located on both sides of the body part.

[0016] The present utility model is further configured such that inclined guiding grooves are formed on the outside of the elastic body. There are two guiding grooves symmetrically arranged. The distance between the outsides of the two guiding grooves is smaller than the distance between the insides, and the two guiding grooves are used to expand the two movable parts and make the movable parts enter the corresponding movable grooves.

[0017] The present utility model is further configured such that a V-shaped expanding part is provided on the outside of the elastic body. Both ends of the expanding part are respectively connected to both sides of the elastic body. The expanding part is located at the side of the hinge hole. Both sides of the expanding part are used to expand the two hinge parts and make the two hinge parts snap into both ends of the hinge hole.

[0018] The utility model is further configured that both sides of the propping member are provided with limiting parts for limiting the hinged part.

[0019] The utility model is further configured such that the elastic body, the connecting portion, the guiding portion, the propping member and the limiting portion are integrated, and the unlocking member, the unlocking portion and the operating portion are integrated.

[0020] Compared with the prior art, the utility model provides a stop-flow clamp for an indwelling needle. When in use, the hose of the indwelling needle passes through the two through holes in sequence, so that the stop-flow clamp can be connected to the hose, and part of the hose is located between the first clamping part and the second clamping part, and can be clamped at any time; during normal use, the guide part and the free end of the elastic body are in a separated state. At this time, under the elastic force of the elastic body, the first clamping part, the second clamping part and the hose are separated or only in contact, so that the hose can flow liquid normally; when flow stopping is required When tightening the hose, the nurse only needs to pinch the two ends of the elastic body so that the free end of the elastic body contacts the inclined surface of the guide part. In the process of continuing to pinch, the free end of the elastic body drives the guide part to move outward through the inclined surface of the guide part, and at the same time, the connecting part undergoes elastic deformation until the clamping space between the first clamping part and the second clamping part clamps the hose. At this time, the free end of the elastic body just passes over the inner side of the guide part, and then under the action of the elastic restoring force of the connecting part, the guide part is buckled on the outer side of the elastic body. In this way, the elastic body is buckled and will not separate naturally.

[0021] Then, when unlocking, only one finger is needed to pinch the outer side of the elastic body away from the guide part, and another finger is needed to pinch the unlocking part, and the unlocking part is made to act on the inclined surface of the guide part. Then, during the pinching process, the unlocking part drives the guide part to move in the direction away from the elastic body until the guide part is separated from the free end of the elastic body. At this time, it is moving outward under the elastic force of the elastic body. Then, the unlocking part is released, and the elastic body pops open. The first clamping part and the second clamping part open the hose, and the liquid can flow normally. Since pinching is required when clamping and unlocking the hose, and fingernails are not needed for buckling, the operation is more convenient. At the same time, it is easy to apply a large force to the hose when buckling, and even cause the displacement of the indwelling needle. However, pinching is used in the operation process of the present application, so the position of the indwelling needle can be avoided, and the use effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of an embodiment of a flow-stopping clamp for an indwelling needle of the utility model. Figure 1 ;

[0023] Figure 2 Yes Figure 1 An enlarged view of part A in

[0024] Figure 3 is a schematic structural view of an embodiment of the flow stop clip for an indwelling needle of the present utility model Figure 2 ;

[0025] Figure 4 Yes Figure 3 An enlarged view of part B in

[0026] Figure 5 is a schematic view of an embodiment of the unlocking member in the flow stop clip for an indwelling needle of the present utility model.

[0027] Among them, 1. Elastic body; 2. Connecting part; 3. Through hole; 4. Guiding part; 5. First clamping part; 6. Second clamping part; 7. Unlocking member; 7a. Body part; 7b. Hinge part; 8. Unlocking part; 9. Hinge hole; 10. Operating part; 11. Movable part; 12. Movable groove; 13. Guiding groove; 14. Expanding member; 15. Limiting part. Specific embodiments

[0028] The following further describes in detail the flow stop clip for an indwelling needle proposed by the present utility model in conjunction with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the present utility model will be clearer. It should be noted that the accompanying drawings are all in a very simplified form and use non-precise scales, only for conveniently and clearly assisting in explaining the purpose of the embodiments of the present utility model. The same or similar reference numerals in the drawings represent the same or similar components.

[0029] A flow stop clip for an indwelling needle, as Figures 1 to 5 shown, includes:

[0030] An elastic body 1 in a U shape, one end of the elastic body 1 is provided with an arc-shaped connecting part 2, the opening of the connecting part 2 faces the elastic body 1, and through holes 3 are opened through the middle of the connecting part 2 and the elastic body 1;

[0031] A guiding part 4, the middle of the guiding part 4 is obliquely connected to the free end of the connecting part 2, and when the free end of the elastic body 1 abuts against the guiding part 4, the free end of the connecting part 2 can be driven to move away from the elastic body 1;

[0032] A first clamping part 5, the first clamping part 5 is located inside the elastic body 1 at the end away from the connecting part 2;

[0033] The second clamping part 6, the second clamping part 6 is located inside the elastic body 1, and the second clamping part 6 is opposite to the first clamping part 5. When the free end of the elastic body 1 crosses the guiding part 4, the connecting part 2 undergoes elastic rebound, and is buckled to the outside of the free end of the elastic body 1 through the bottom of the guiding part 4, and a clamping space is formed between the first clamping part 5 and the second clamping part 6;

[0034] The unlocking member 7, the unlocking member 7 is hinged to the elastic body 1, an unlocking part 8 is arranged on the unlocking member 7, and by rotating the unlocking member 7, the guiding part 4 can be driven to move away from the elastic body 1 through the unlocking part 8, and the free end of the elastic body 1 is separated from the guiding part 4.

[0035] The unlocking member 7 includes a U-shaped body part 7a and hinge parts 7b located inside both ends of the body part 7a. The body part 7a is made of an elastic material. The first clamping part 5 is located inside the opening of the body part 7a. A hinge hole 9 is formed through the second clamping part 6, and both hinge parts 7b are rotatably located inside the hinge hole 9.

[0036] The unlocking part 8 is arc-shaped, and the opening of the unlocking part 8 faces the elastic body 1. The middle part of the unlocking part 8 is connected to the middle part of the body part 7a.

[0037] One end of the unlocking part 8 away from the guiding part 4 is provided with an arc-shaped operating part 10, and the opening of the operating part 10 faces away from the elastic body 1.

[0038] An active part 11 is arranged inside the body part 7a. An active groove 12 is formed on the outside of the first clamping part 5, and the free end of the active part 11 is movably located inside the active groove 12. There are two active parts 11, and the two active parts 11 are located on both sides of the body part 7a.

[0039] Inclined guiding grooves 13 are formed on the outside of the elastic body 1. There are two guiding grooves 13 which are symmetrically arranged. The distance between the outsides of the two guiding grooves 13 is smaller than the distance between the insides, and the two guiding grooves 13 are used to expand the two active parts 11 and make the active parts 11 enter the corresponding active grooves 12.

[0040] A V-shaped expanding member 14 is arranged on the outside of the elastic body 1. Both ends of the expanding member 14 are respectively connected to both sides of the elastic body 1. The expanding member 14 is located on the side of the hinge hole 9. Both sides of the expanding member 14 are used to expand the two hinge parts 7b and make the two hinge parts 7b snap into both ends of the hinge hole 9.

[0041] Limiting portions 15 for limiting the hinge portion 7b are provided on both sides of the spreading member 14. The elastic body 1, the connecting portion 2, the guiding portion 4, the spreading member 14, and the limiting portions 15 are integrally formed, and the unlocking member 7, the unlocking portion 8, and the operating portion 10 are integrally formed.

[0042] When the flow stop clip for the indwelling needle provided by the utility model is in use, the flexible tube of the indwelling needle sequentially passes through two through holes, so that the flow stop clip can be connected to the flexible tube, and a part of the flexible tube is located between the first clamping portion 5 and the second clamping portion 6 and can be clamped at any time; during normal use, the guiding portion 4 and the free end of the elastic body 1 are in a separated state. At this time, under the elastic force of the elastic body 1, the first clamping portion 5 and the second clamping portion 6 are in a separated or only contacting state with the flexible tube, so that the flexible tube can normally circulate liquid; when flow stop is required, the nurse only needs to pinch both ends of the elastic body 1 to make the free end of the elastic body 1 abut against the inclined surface of the guiding portion 4. During the continuous pinching process, the free end of the elastic body 1 drives the guiding portion 4 to move outward through the inclined surface of the guiding portion 4, and at the same time, the connecting portion 2 undergoes elastic deformation until the clamping space between the first clamping portion 5 and the second clamping portion 6 clamps the flexible tube. At this time, the free end of the elastic body 1 just crosses the inner side of the guiding portion 4, and then under the elastic restoring force of the connecting portion 2, the guiding portion 4 is buckled outside the elastic body 1. In this way, the elastic body 1 is buckled and will not naturally separate.

[0043] Then when unlocking, only one finger pinches the outer side of the elastic body 1 away from the guiding portion 4, and the other finger pinches the unlocking portion 8, and makes the unlocking portion 8 act on the inclined surface of the guiding portion 4. During the subsequent pinching process, the guiding portion 4 is driven by the unlocking portion 8 to move away from the elastic body 1 until the guiding portion 4 is separated from the free end of the elastic body 1. At this time, it is moving outward under the elastic force of the elastic body 1. Then the unlocking portion 8 is released, and at this time the elastic body 1 bounces open, and the first clamping portion 5 and the second clamping portion 6 open the flexible tube, and the liquid can circulate normally. Since only pinching operations are required when clamping and unlocking the flexible tube, there is no need to use nails to buckle, so that the operation convenience is higher. At the same time, when buckling, it is easy to apply a large force to the flexible tube, which may even cause the deviation of the indwelling needle. However, in the operation process of this application, only pinching operations are used, so the position of the indwelling needle can be avoided, and the use effect is better.

[0044] During use, the movable portion 11 is restricted by the inner wall of the movable groove 12, so that the unlocking member 7 is kept in a movable range to prevent it from being hung on clothing or a bed, thereby ensuring the position stability of the entire stop clamp; then when unlocking, the nurse pinches the operating portion 10, which can fit well in the palm of the finger, thereby improving the comfort of operation, and at the same time, it can also prevent the finger and the operating portion 10 from sliding, thereby improving the stability of operation. The unlocking portion 8 is arc-shaped, so that after pressing the guide portion 4 and separating the guide portion 4 from the free end of the elastic body 1, the free end of the elastic body 1 rotates outwards, and can not act on the unlocking portion 8, thereby ensuring the normal movement of the elastic body 1.

[0045] When the stopper is produced, the elastic body 1, the connecting part 2, etc. are all produced (injection molded) in one piece, and the unlocking piece 7, the unlocking part 8 and the operating part 10 are molded in one piece, and then the two are assembled. During assembly, the worker or the automated assembly equipment makes the two hinged parts 7b contact the two sides of the opening piece 14, and then moves the main body 7a toward the elastic body 1. At this time, the main body 7a is opened under the action of the two sides of the opening piece 14, and slides from the outside of the opening piece 14 to the two sides of the elastic body 1, until the hinged part 7b is finally inserted into the hinge hole 9; then the main body 7a is rotated, so that the movable part 11 contacts the outer wall of the guide groove 13, and the guide groove 13 opens the main body 7a again, so that the movable part 11 can be inserted into the movable groove 12, that is, the guide groove 13 makes assembly easier. The limiting part 15 can limit the hinged part 7b and improve the assembly stability.

[0046] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation on the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A stop-flow clip for an indwelling needle, characterized in that, Comprising: An elastic body (1) in a U shape, one end of the elastic body (1) is provided with an arc-shaped connecting portion (2), the opening of the connecting portion (2) faces the elastic body (1), and through openings (3) are formed through the connecting portion (2) and the middle part of the elastic body (1); A guiding portion (4), the middle part of the guiding portion (4) is obliquely connected to the free end of the connecting portion (2), and when the free end of the elastic body (1) abuts against the guiding portion (4), the free end of the connecting portion (2) can be driven to move away from the elastic body (1); A first clamping portion (5), the first clamping portion (5) is located inside the end of the elastic body (1) away from the connecting portion (2); A second clamping portion (6), the second clamping portion (6) is located inside the elastic body (1), and the second clamping portion (6) is opposite to the first clamping portion (5). When the free end of the elastic body (1) crosses the guiding portion (4), the connecting portion (2) elastically rebounds, and is buckled to the outside of the free end of the elastic body (1) through the bottom of the guiding portion (4), and a clamping space is formed between the first clamping portion (5) and the second clamping portion (6); An unlocking member (7), the unlocking member (7) is hinged to the elastic body (1), an unlocking portion (8) is arranged on the unlocking member (7), and by rotating the unlocking member (7), the guiding portion (4) can be driven to move away from the elastic body (1) through the unlocking portion (8), and the free end of the elastic body (1) is separated from the guiding portion (4).

2. The flow stop clip for the indwelling needle according to claim 1, wherein The unlocking member (7) includes a U-shaped body portion (7a) and hinge portions (7b) located inside both ends of the body portion (7a). The body portion (7a) is made of an elastic material. The first clamping portion (5) is located inside the opening of the body portion (7a). A hinge hole (9) is formed through the second clamping portion (6), and both of the hinge portions (7b) are rotatably located in the hinge hole (9).

3. The flow stop clip for the indwelling needle according to claim 2, characterized in that, The unlocking portion (8) is in an arc shape, and the opening of the unlocking portion (8) faces the elastic body (1). The middle part of the unlocking portion (8) is connected to the middle part of the body portion (7a).

4. The flow stop clip for the indwelling needle according to claim 3, characterized in that, An arc-shaped operating portion (10) is arranged at one end of the unlocking portion (8) away from the guiding portion (4), and the opening of the operating portion (10) faces away from the elastic body (1).

5. The flow stop clip for the indwelling needle according to claim 4, characterized in that An active portion (11) is arranged inside the body portion (7a). An active groove (12) is formed on the outside of the first clamping portion (5), and the free end of the active portion (11) is movably located in the active groove (12).

6. The flow-stop clip for the indwelling needle according to claim 5, wherein, There are two active portions (11), and the two active portions (11) are located on both sides of the body portion (7a).

7. The stop clamp for the indwelling needle according to claim 5 or 6, characterized in that, The outer side of the elastic body (1) is provided with inclined guide grooves (13). There are two guide grooves (13) arranged symmetrically. The distance between the outer sides of the two guide grooves (13) is smaller than the distance between the inner sides. And the two guide grooves (13) are used to expand the two movable parts (11) and make the movable parts (11) enter the corresponding movable grooves (12).

8. The flow stop clip for the indwelling needle according to claim 7, characterized in that, A V-shaped expanding member (14) is arranged on the outer side of the elastic body (1). The two ends of the expanding member (14) are respectively connected to the two sides of the elastic body (1). The expanding member (14) is located on the side of the hinge hole (9). The two sides of the expanding member (14) are used to expand the two hinge parts (7b) and make the two hinge parts (7b) snap into the two ends of the hinge hole (9).

9. The stop clamp for an indwelling needle according to claim 8, characterized in that, Limit parts (15) for limiting the hinge parts (7b) are arranged on both sides of the expanding member (14).

10. The stop clamp for an indwelling needle according to claim 9, characterized in that, The elastic body (1), the connecting part (2), the guiding part (4), the expanding member (14) and the limiting part (15) are integrally formed. The unlocking member (7), the unlocking part (8) and the operating part (10) are integrally formed.

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