CN219071570U - Venous transfusion device capable of preventing blood from flowing back - Google Patents

Abstract

The utility model discloses a venous transfusion device capable of preventing blood from flowing back, which comprises a transfusion hose, a drip cup and a venous needle tube, wherein the drip cup is arranged in the transfusion hose, an auxiliary coiling structure penetrates through the outer side of the transfusion hose, a flow speed regulator is arranged below the outer side of the transfusion hose, the venous needle tube is arranged at one end of the transfusion hose, and a tube clamp penetrates through the outer side of the venous needle tube. The utility model has the advantages that the blood return prevention structure is arranged, a patient can press the pressing plate by himself after transfusion is finished, so that the pressing plate is driven to clamp the clamping block plate and the pipe clamp, at the moment, the extruding block gradually presses the vein needle tube penetrating through the jacks at the two ends of the pipe clamp, the vein needle tube of the part is extruded by the extruding block to be gradually closed, the inside of the vein needle tube can not circulate, blood in the vein of the patient can not flow into the inside of the vein needle tube through the vein needle tube to cause blood return, a certain time is provided for treatment of medical staff, and blood return of the vein transfusion device is realized.

Description

Venous transfusion device capable of preventing blood from flowing back

Technical Field

The utility model relates to the technical field of intravenous infusion apparatuses, in particular to an intravenous infusion apparatus capable of preventing blood return.

Background

The intravenous infusion apparatus is used as a common medical device for intravenous infusion injection, and mainly comprises an intravenous needle, an infusion hose, a drip cup, a flow rate regulator and the like, and is commonly used in the medical field.

When the common intravenous infusion apparatus is used, when the intravenous infusion apparatus is used, a vein needle is required to be used for puncture and insertion into a vein of a patient, and liquid medicine in an infusion bottle flows into the patient through an infusion hose under the action of atmospheric pressure, so that the liquid medicine can quickly pass through blood to treat the patient, and the common intravenous infusion apparatus has better infusion effect when in use, but still has some problems:

1. after the transfusion is finished, if the common intravenous infusion apparatus does not pull out the intravenous needle in time, the phenomenon of blood return of the intravenous infusion apparatus occurs.

2. When the common intravenous infusion apparatus is used, as the intravenous needle is inserted into the vein of a patient, the shaking of the patient body easily causes the phenomenon that the needle head at the contact needle shakes to bulge.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide an intravenous infusion set capable of preventing blood return, which is used for solving the defect that the existing intravenous infusion set is easy to cause blood return after transfusion.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a can prevent venous transfusion ware of non return blood, includes infusion hose, drip cup and vein needle tubing, the internally mounted of infusion hose has the drip cup, the outside of infusion hose runs through and has supplementary coil structure, the flow rate regulator is installed to the below in the infusion hose outside, vein needle tubing is installed to the one end of infusion hose, the one end fixedly connected with vein syringe needle of vein needle, the outside of vein syringe needle is provided with stable structure, the outside of vein syringe needle runs through has the structure of preventing returning blood, the structure of preventing returning blood includes pipe clamp, lug, push plate, extrusion piece, fixture block board and jack, the pipe clamp runs through in the outside of vein syringe needle.

When the infusion tube is used, the infusion hose is disassembled from the packaging bag and unfolded, then one end needle tube of the infusion hose is inserted into the infusion bottle, then the intravenous needle is inserted into the vein of a patient, at the moment, the liquid medicine in the infusion bottle gradually flows out under the action of atmospheric pressure and flows into the patient through the infusion hose, the drip cup and the intravenous needle tube, and meanwhile, the flow speed of the liquid medicine in the infusion hose can be adjusted through the flow speed regulator, so that the patient is more comfortable in the infusion process.

Preferably, the auxiliary winding structure comprises a limiting clamp, a rubber pad and an arc plate, wherein the limiting clamp is arranged on the outer side of the infusion hose, the rubber pad is fixedly connected to the inner side wall of the limiting clamp, the arc plate is fixedly connected to one side of the inner side wall of the limiting clamp, the limiting clamp is clamped into the outer side wall of the infusion hose, and the infusion hose is sequentially distributed along the inner side of the limiting clamp when being wound.

Preferably, the cross section area of the inner diameter of the limiting clamp is larger than the cross section area of the outer diameter of the infusion hose, and the arc plates are symmetrically distributed about the horizontal center line of the limiting clamp, so that the coiling of the infusion hose is more orderly.

Preferably, the stable structure includes plastic slab, transparent film and adhesive tape, the plastic slab handing-over is in the both sides of vein syringe needle, the lateral wall parcel of vein syringe needle has the transparent film, the one end fixedly connected with adhesive tape of transparent film presses the transparent film of expansion gently under the viscidity of adhesive tape, makes the plastic slab hug closely the skin near contact pin department.

Preferably, the plastic plates are symmetrically distributed about the vertical center line of the vein needle, and the plastic plates and the inside of the vein needle are in a hinged structure, so that the vein needle is not easy to shake during transfusion.

Preferably, one side fixedly connected with lug inside the pipe clamp, one side of pipe clamp articulates there is presses the board, one side fixedly connected with extrusion piece of pressing the board, the top fixedly connected with fixture block board of pressing the board opposite side, the jack has all been seted up to the inside at pipe clamp both ends, presses the pressing board and makes fixture block board and pipe clamp block, presses the extrusion piece and will press the vein needle tubing in running through pipe clamp both ends jack gradually this moment, makes the vein needle tubing of this part receive the extrusion of extrusion piece and close gradually.

Preferably, the clamp is in a clamping structure with the inside of the clamping block plate, and the extrusion block is positioned at the middle position of one side of the pressing plate, so that the operation of the blood return prevention structure is more convenient.

(III) beneficial effects

The venous transfusion device capable of preventing blood from flowing back, provided by the utility model, has the advantages that: through being provided with the structure of preventing blood return, the patient can press the pressing plate by oneself after transfusion is finished, so that the pressing plate is driven to clamp the clamping block plate with the pipe clamp, at the moment, the extrusion block gradually presses the vein needle tube penetrating through the jacks at two ends of the pipe clamp, so that the vein needle tube of the part is extruded by the extrusion block to be gradually closed, the inside of the vein needle tube can not circulate, and blood in the vein of the patient can not flow into the inside of the vein needle tube through the vein needle to cause blood return, so that a certain time is provided for the treatment of medical staff, and the blood return of the vein transfusion device is realized;

by the aid of the auxiliary winding structure, the limiting clamps are clamped in the outer side walls of the infusion hoses, the infusion hoses are sequentially arranged along the inside of the limiting clamps during winding, the wound infusion hoses are integrally wound and arranged under the limiting of the limiting clamps and the arc-shaped plates, and medical staff only need to pull out the limiting clamps when the infusion hoses are unfolded, so that auxiliary winding of the infusion hoses is achieved;

through being provided with stable structure, set up the plastic slab in the tip portion of vein syringe needle, expand the plastic slab when the sharp end of vein syringe needle inserts patient vein department to press the transparent film of expansion gently under the viscidity of adhesive tape, make the plastic slab hug closely the skin near contact pin department, make the vein syringe needle appear rocking under the parcel of transparent film and adhesive tape this moment, make the infusion of vein syringe needle more stable, realized improving the stability of vein syringe needle.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic three-dimensional structure of the auxiliary coiled structure of the present utility model;

FIG. 3 is a schematic view of a three-dimensional expanded structure of the stabilizing structure of the present utility model;

FIG. 4 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;

fig. 5 is a schematic three-dimensional structure of the blood return preventing structure of the present utility model.

In the figure: 1. an infusion hose; 2. dropping a kettle; 3. an auxiliary coiled structure; 301. a limiting clamp; 302. a rubber pad; 303. an arc-shaped plate; 4. a flow rate regulator; 5. a venous needle tube; 6. a venous needle; 7. a stabilizing structure; 701. a plastic plate; 702. a transparent film; 703. an adhesive tape; 8. a blood return prevention structure; 801. a pipe clamp; 802. a bump; 803. pressing the plate; 804. extruding a block; 805. a clamping block plate; 806. and a jack.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-5, the venous transfusion device capable of preventing blood return provided by the utility model comprises a transfusion hose 1, a drip cup 2 and a venous needle tube 5, wherein the drip cup 2 is arranged in the transfusion hose 1, a flow speed regulator 4 is arranged below the outer side of the transfusion hose 1, the venous needle tube 5 is arranged at one end of the transfusion hose 1, a venous needle 6 is fixedly connected with one end of the venous needle tube 5, a blood return preventing structure 8 penetrates through the outer side of the venous needle tube 5, the blood return preventing structure 8 comprises a pipe clamp 801, a convex block 802, a pressing plate 803, a pressing block 804, a clamping block 805 and a jack 806, the pipe clamp 801 penetrates through the outer side of the venous needle tube 5, the convex block 802 is fixedly connected to one side of the inner side of the pipe clamp 801, the pressing plate 803 is hinged to one side of the pressing plate 803, the top end of the other side of the pressing plate 803 is fixedly connected with the clamping block 805, the jacks 806 are respectively arranged in the inner sides of two ends of the pipe clamp 801, a clamping block 801 and a clamping structure is arranged between the inner sides of the pipe clamp 801 and the clamping block 805, and the pressing block 803 is located at the middle position of one side of the pressing plate 803.

The working principle of the intravenous infusion set capable of preventing blood return based on embodiment 1 is that when the intravenous infusion set is used, the infusion hose 1 is detached from the packaging bag and unfolded, then one end needle tube of the infusion hose 1 is inserted into the infusion bottle, then the intravenous needle 6 is inserted into the vein of a patient, at this time, the liquid medicine in the infusion bottle gradually flows out under the action of atmospheric pressure, and flows into the patient through the infusion hose 1, the drip cup 2 and the intravenous needle tube 5, meanwhile, the flow speed of the liquid medicine in the infusion hose 1 can be regulated by the flow speed regulator 4, the patient is more comfortable in the infusion process, after the liquid medicine in the infusion bottle is completely infused, if the intravenous needle 6 is not timely pulled out to cause a blood return phenomenon, if the medical staff fails to timely detect and pull out the intravenous needle 6 after the infusion is finished, at this time, the patient can press the pressing plate 803 by himself at this time, so that the clamping plate 805 is driven by the patient to be clamped with the tube clamp 801, at this time, the pressing block 804 gradually presses the intravenous needle 5 penetrating through the jack 806, so that the intravenous needle tube 5 of the part is gradually closed by the pressing block 804, and the internal vein needle tube 5 is not capable of being pressed, and the internal blood flow into the vein needle tube 5 cannot flow into the patient, and the blood can not be provided for the medical staff.

Example two

The embodiment further includes: the outside of infusion hose 1 runs through has supplementary winding structure 3, and supplementary winding structure 3 includes spacing clamp 301, rubber pad 302 and arc 303, and spacing clamp 301 installs in the outside of infusion hose 1, and the inside wall fixedly connected with rubber pad 302 of spacing clamp 301, one side fixedly connected with arc 303 of spacing clamp 301 inside wall, the cross-sectional area of spacing clamp 301 internal diameter is greater than the cross-sectional area of infusion hose 1 external diameter, and arc 303 is symmetric distribution about the horizontal central line of spacing clamp 301.

In this embodiment, for reducing its used space when this venous transfusion ware is packed and is used, often need coil infusion hose 1 accomodate, and because infusion hose 1 is longer when coil the back and expand again the time easily to appear crisscross winding phenomenon, for the operation of medical personnel of being convenient for, spacing clamp 301 is gone into to the lateral wall card at infusion hose 1 to make infusion hose 1 arrange along spacing clamp 301 inside in proper order when coiling, make coiled infusion hose 1 wholly coil under spacing clamp 301 and arc 303 and arrange, make medical personnel only need extract spacing clamp 301 when expanding infusion hose 1 can.

Example III

The embodiment further includes: the outside of vein syringe needle 6 is provided with stable structure 7, and stable structure 7 includes plastic slab 701, transparent film 702 and adhesive tape 703, and plastic slab 701 handing-over is in the both sides of vein syringe needle 6, and the lateral wall parcel of vein syringe needle 6 has transparent film 702, and the one end fixedly connected with adhesive tape 703 of transparent film 702, plastic slab 701 are the symmetric distribution about the perpendicular central line of vein syringe needle 6, is hinge structure between plastic slab 701 and the inside of vein syringe needle 6.

In this embodiment, in the process of performing infusion by the intravenous infusion apparatus, patient personnel inevitably have excessive actions in long-time infusion, in order to avoid the phenomenon of bulge caused by shaking at the contact pin of the intravenous needle 6, for this purpose, a plastic plate 701 is arranged at the micro end part of the intravenous needle 6, the plastic plate 701 is unfolded when the sharp end of the intravenous needle 6 is inserted into the vein of the patient, and the unfolded transparent film 702 is slightly pressed under the viscosity of the adhesive tape 703, so that the plastic plate 701 is tightly attached to the skin near the contact pin, and at this time, shaking occurs at the intravenous needle 6 under the wrapping and adhering of the transparent film 702 and the adhesive tape 703, so that the infusion of the intravenous needle 6 is more stable.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides a venous transfusion ware that can prevent non return blood, includes infusion hose (1), drip cup (2) and vein needle tubing (5), its characterized in that: a drip cup (2) is arranged in the infusion hose (1), an auxiliary coiling structure (3) penetrates through the outer side of the infusion hose (1), and a flow speed regulator (4) is arranged below the outer side of the infusion hose (1);

one end of the infusion hose (1) is provided with a venous needle tube (5);

one end fixedly connected with vein syringe needle (6) of vein needle tubing (5), the outside of vein syringe needle (6) is provided with stable structure (7), the outside of vein syringe needle (5) is run through has and is prevented back blood structure (8), prevent back blood structure (8) include pipe clamp (801), lug (802), push down board (803), extrusion piece (804), fixture block board (805) and jack (806), pipe clamp (801) run through in the outside of vein syringe needle (5).

2. An anti-back-flow intravenous infusion set according to claim 1, wherein: the auxiliary winding structure (3) comprises a limiting clamp (301), a rubber pad (302) and an arc plate (303), wherein the limiting clamp (301) is arranged on the outer side of the infusion hose (1), the rubber pad (302) is fixedly connected to the inner side wall of the limiting clamp (301), and the arc plate (303) is fixedly connected to one side of the inner side wall of the limiting clamp (301).

3. An anti-back-flow intravenous infusion set according to claim 2, wherein: the cross section area of the inner diameter of the limiting clamp (301) is larger than the cross section area of the outer diameter of the infusion hose (1), and the arc plates (303) are symmetrically distributed about the horizontal center line of the limiting clamp (301).

4. An anti-back-flow intravenous infusion set according to claim 1, wherein: the stabilizing structure (7) comprises a plastic plate (701), a transparent film (702) and adhesive tapes (703), wherein the plastic plate (701) is connected to two sides of the vein needle (6), the transparent film (702) is wrapped on the outer side wall of the vein needle (6), and one end of the transparent film (702) is fixedly connected with the adhesive tapes (703).

5. An anti-back-flow intravenous infusion set according to claim 4, wherein: the plastic plates (701) are symmetrically distributed about the vertical center line of the vein needle (6), and the plastic plates (701) and the inside of the vein needle (6) are in a hinged structure.

6. An anti-back-flow intravenous infusion set according to claim 1, wherein: one side fixedly connected with lug (802) inside pipe clamp (801), one side of pipe clamp (801) articulates there is pressing plate (803), one side fixedly connected with extrusion piece (804) of pressing plate (803), the top fixedly connected with fixture block board (805) of pressing plate (803) opposite side, jack (806) have all been seted up to the inside at pipe clamp (801) both ends.

7. The venous transfusion device capable of preventing blood return according to claim 6, wherein: the pipe clamp (801) and the clamping block plate (805) are in a clamping structure, and the extrusion block (804) is positioned at the middle position of one side of the pressing plate (803).

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