CN214762642U - Infusion set needle with anti-slip structure - Google Patents

Abstract

The utility model relates to a syringe needle with an anti-slip structure for an infusion apparatus, which comprises a puncture syringe needle with lateral grooves symmetrically arranged on both sides, a convex plate arranged on the outer part of the puncture syringe needle and an infusion assembly arranged at the bottom of the puncture syringe needle, wherein the anti-slip structure is symmetrically arranged on the outer side of the puncture syringe needle; the anti-slip structure comprises a flexible clamping pin arranged in the side slot, and an elastic piece inserted from the bottom of the convex plate and connected with the flexible clamping pin, and the anti-slip structure can effectively prevent the puncture needle head from slipping from the bottle stopper of the infusion apparatus, further avoid the pollution and waste of the liquid medicine, and reduce the workload of medical care personnel.

Description

Infusion set needle with anti-slip structure

Technical Field

The utility model belongs to the technical field of medical supplies, concretely relates to syringe needle for infusion set with anti-skidding structure of taking off.

Background

The existing infusion apparatus mainly comprises a plastic needle head, an infusion tube, a Murphy dropper, a flow control switch and a puncture needle head, when the puncture needle head is inserted into an infusion bottle for infusion, a patient turns over or goes to the toilet, the puncture needle head is easy to slip, the slipping condition of the infusion apparatus needle head is more frequent particularly for unconscious and dysphoric patients, and in addition, the slipping condition of the infusion apparatus needle head is more frequent when the patient in obstetrics and gynecology department or emergency department infuses;

the slipping condition of the needle head of the infusion apparatus not only causes pollution and waste of the liquid medicine, but also increases the workload of medical staff.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a transfusion needle with an anti-slip structure, which has simple structure and reasonable design.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a needle head with an anti-slip structure for an infusion apparatus comprises a puncture needle head, a convex plate and an infusion assembly, wherein the two sides of the puncture needle head are symmetrically provided with side grooves, the convex plate is arranged outside the puncture needle head, the infusion assembly is arranged at the bottom of the puncture needle head, and the anti-slip structure is symmetrically arranged on the outer side of the puncture needle head;

the anti-slip structure comprises flexible clamping pins arranged in the side grooves and a spring pull rod inserted from the bottom of the convex plate and connected with the flexible clamping pins, and the bottom of the spring pull rod is connected with an operation block sleeved with the infusion assembly.

As a further optimization scheme of the utility model, the outside of puncture syringe needle is equipped with the fixed of pegging graft with the spring pull rod for fix the spring pull rod in the outside of puncture syringe needle, can not contact the liquid medicine, the difficult liquid medicine that pollutes.

As a further optimization scheme of the utility model, the sliding sleeve that blocks water that the bottom and the spring pull rod of flange peg graft mutually can avoid the flange bottom problem of leaking to appear.

As the utility model discloses a further optimization scheme, the outside of puncture syringe needle is close to flange department symmetry and is equipped with the screens groove, and is equipped with the silica gel that blocks water in the screens inslot, can effectively realize blocking water and damming to the puncture department of puncture syringe needle and bottle plug, reduces the infiltration problem here.

As the utility model discloses a further optimization scheme, infusion subassembly is including locating interior intubate in the puncture needle head, and interior intubate is independent mutually with the puncture needle head for the output of liquid medicine, the outside of interior intubate is equipped with the connector, the outside of connector is equipped with the air inlet, and the inside and outside pressure of balanced infusion bottle makes liquid flow at the uniform velocity.

As the utility model discloses a further optimization scheme, the operation piece is including pressing the piece and being used for the jack of connecting the spring pull rod, the center department according to the piece is equipped with the axle sleeve that cup joints mutually with interior intubate.

As the utility model discloses a further optimization scheme, flexible card foot is made by flexible rubber materials, and the structure of flexible card foot is broken line shape or circular-arc setting, supports the bottle plug from the inboard of infusion bottle after the flexible card foot in the puncture syringe needle outside expandes, is difficult for causing and drops.

The beneficial effects of the utility model reside in that:

the utility model discloses the antiskid that sets up takes off the structure, when the operation piece is pulled to the downside makes the outside removal of spring pull rod, the flexible card foot of spring pull rod pulling produces structural deformation, flexible card foot is followed the outside structure of protrusion puncture syringe needle originally and is taken in the side trompil of puncture syringe needle, the puncture syringe needle can insert in the infusion bottle, afterwards, under the spring action of spring pull rod, the flexible card foot resets and opens up from the side trompil, when the transfusion system is pulled to the external force, because support the bottle plug from the inboard of infusion bottle after the flexible card foot in the puncture syringe needle outside expandes, realize limit function, can prevent effectively that the puncture syringe needle from locating the slippage from the infusion bottle plug, thereby can avoid the pollution and the waste of liquid medicine, and can reduce medical personnel's work load.

Drawings

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

fig. 2 is a schematic diagram of the internal structure provided by the present invention;

fig. 3 is an enlarged view of the portion a in fig. 2 according to the present invention;

fig. 4 is a perspective view of the operation block provided by the present invention;

in the figure: 1. a puncture needle head; 2. a convex plate; 3. a flexible clamping pin; 4. a fixed wing; 5. a spring pull rod; 6. a water-blocking sliding sleeve; 7. a clamping groove; 8. water-blocking silica gel; 9. an operation block; 91. according to blocks; 92. a shaft sleeve; 93. a jack; 10. inserting a tube; 11. a connector; 12. an air inlet member.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.

Referring to the attached drawings 1-4 of the specification, the infusion needle with the anti-slipping structure comprises a puncture needle head 1 with side grooves symmetrically arranged on two sides, a convex plate 2 arranged outside the puncture needle head 1 and an infusion assembly arranged at the bottom of the puncture needle head 1, wherein the anti-slipping structure is symmetrically arranged on the outer side of the puncture needle head 1;

the anti-slipping structure comprises a flexible clamping pin 3 arranged in the side groove and a spring pull rod 5 inserted from the bottom of the convex plate 2 and connected with the flexible clamping pin 3, and the bottom of the spring pull rod 5 is connected with an operation block 9 sleeved with the infusion assembly.

When the puncture needle is used, the bottom of the puncture needle 1 is held by hand, the puncture needle 1 is just opposite to a bottle stopper at the bottom of an infusion bottle, the operating block 9 is pulled towards the lower side to enable the spring pull rod 5 on the outer side of the puncture needle 1 to move outwards, the spring pull rod 5 is inserted from the bottom of the convex plate 2 and is connected with the flexible clamping foot 3, the flexible clamping foot 3 is pulled to generate structural deformation while the spring pull rod 5 moves outwards, the flexible clamping foot 3 is retracted into the side opening groove of the puncture needle 1 from the original structure protruding out of the puncture needle 1, then, the puncture needle 1 is pushed into the bottle stopper with force to enable the opening groove part on the outer side of the puncture needle 1 to completely enter the infusion bottle, the operating block 9 is loosened, the operating block 9 is enabled to be slowly reset to the bottom of the puncture needle 1 due to the elasticity of the spring pull rod 5, the flexible clamping foot 3 connected with the spring pull rod 5 is pushed to slowly extend out from the side opening groove in the resetting process of the spring pull rod 5, the flexible clamping leg 3 also restores the original shape and can be in a broken line shape or an arc shape, at the moment, the puncture needle head 1 completes puncture on the bottle stopper at the bottom of the infusion bottle, when the infusion apparatus is pulled by external force, the flexible clamping leg 3 at the outer side of the puncture needle head 1 is unfolded to abut against the bottle stopper from the inner side of the infusion bottle, the limiting function is realized, the puncture needle head 1 can be effectively prevented from slipping from the bottle stopper of the infusion bottle, so that the pollution and waste of liquid medicine can be avoided, and the workload of medical care personnel can be reduced;

in addition, when the infusion bottle needs to be replaced, as described above, the operation block 9 is pulled to the lower side to enable the spring pull rod 5 on the outer side of the puncture needle head 1 to move outwards, then the flexible clamping leg 3 is pulled to generate structural deformation, after the flexible clamping leg 3 is retracted into the side groove of the puncture needle head 1 from the structure originally protruding out of the puncture needle head 1, the puncture needle head 1 is pulled by force to be pulled out of the infusion bottle.

The outer side of the puncture needle head 1 is provided with a fixed wing 4 which is inserted with the spring pull rod 5 and is used for fixing the spring pull rod 5 at the outer side of the puncture needle head 1, so that the puncture needle head does not contact with liquid medicine and is not easy to pollute the liquid medicine.

The bottom of the convex plate 2 is connected with the water-blocking sliding sleeve 6 inserted with the spring pull rod 5, so that the problem of water leakage at the bottom of the convex plate 2 can be avoided.

The outside of puncture syringe needle 1 is close to 2 symmetries of flange and is equipped with screens groove 7, and when puncture syringe needle 1 pierced the infusion bottle, screens groove 7 played the positioning action, and bottle plug department card is in screens groove 7, and is equipped with the silica gel 8 that blocks water in the screens groove 7, can effectively realize blocking water and damming to the puncture department of puncture syringe needle 1 and bottle plug, reduces the infiltration problem at this place.

The infusion assembly comprises an inner insertion tube 10 arranged in the puncture needle head 1, the inner insertion tube 10 is inserted into the puncture needle head 1 and is in interference fit with the puncture needle head 1, the inner insertion tube 10 is independent of the puncture needle head 1 and used for outputting liquid medicine, a connector 11 is arranged outside the inner insertion tube 10, an air inlet piece 12 is arranged outside the connector 11 and used for balancing the pressure inside and outside the infusion bottle, and liquid can flow out at a constant speed.

The operation block 9 comprises a pressing block 91 and an insertion hole 93 for connecting the spring pull rod 5, the insertion hole is used for connecting the spring pull rod 5, connection of the structure is guaranteed, a shaft sleeve 92 sleeved with the inner insertion tube 10 is arranged at the center of the pressing block 91, the pressing block 91 is in sliding fit with the inner insertion tube 10 through the shaft sleeve 92, connection of the structure is guaranteed, and meanwhile the pressing block 91 is guaranteed to be pressed downwards.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (7)

1. The syringe needle with the anti-slipping structure for the infusion apparatus is characterized by comprising a puncture syringe needle (1) with side grooves symmetrically arranged on two sides, a convex plate (2) arranged outside the puncture syringe needle (1) and an infusion assembly arranged at the bottom of the puncture syringe needle (1), wherein the anti-slipping structure is symmetrically arranged on the outer side of the puncture syringe needle (1);

the anti-slipping structure comprises flexible clamping feet (3) arranged in the side grooves and a spring pull rod (5) inserted from the bottom of the convex plate (2) and connected with the flexible clamping feet (3), and the bottom of the spring pull rod (5) is connected with an operation block (9) sleeved with the infusion assembly.

2. The needle head with anti-slip structure for infusion set according to claim 1, wherein: the outer side of the puncture needle head (1) is provided with a fixed wing (4) which is inserted with the spring pull rod (5).

3. The needle head with anti-slip structure for infusion set according to claim 1, wherein: and a water-blocking sliding sleeve (6) sleeved with the spring pull rod (5) is arranged at the bottom of the convex plate (2).

4. The needle head with anti-slip structure for infusion set according to claim 1, wherein: the outside of puncture needle (1) is close to flange (2) department symmetry and is equipped with screens groove (7), and is equipped with in screens groove (7) and blocks water silica gel (8).

5. The needle head with anti-slip structure for infusion set according to claim 1, wherein: the infusion set comprises an inner insertion tube (10) arranged in a puncture needle head (1), a connector (11) is arranged outside the inner insertion tube (10), and an air inlet piece (12) is arranged outside the connector (11).

6. The needle head with anti-slip structure for infusion set according to claim 5, wherein: the operation block (9) comprises a pressing block (91) and an insertion hole (93) used for connecting the spring pull rod (5), and a shaft sleeve (92) sleeved with the inner insertion tube (10) is arranged at the center of the pressing block (91).

7. The needle head with anti-slip structure for infusion set according to claim 1, wherein: the flexible clamping leg (3) is made of flexible rubber materials, and the structure of the flexible clamping leg (3) is in a broken line shape or arc shape.

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