CN218106493U

CN218106493U - Blood return prevention type disposable infusion apparatus

Info

Publication number: CN218106493U
Application number: CN202221614012.XU
Authority: CN
Inventors: 董志远
Original assignee: Zhejiang Compass Medical Technology Co ltd
Current assignee: Zhejiang Compass Medical Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-23
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to an infusion set technical field especially relates to a prevent disposable transfusion system of blood return type. Its technical scheme includes dripping kettle, clamping ring and cover frame, the upper end of dripping the kettle is fixed with first hose, and the one end that first hose deviates from the kettle is fixed on the connecting seat, the one end that the connecting seat deviates from first hose is fixed with liquid medicine needle, one side of dripping the kettle is equipped with the blast pipe, the one end that the kettle deviates from first hose of dripping is equipped with the second hose, the one end that the second hose deviates from the kettle is connected with the pipe through the needle file, the one end that the pipe deviates from the needle file is equipped with the needle handle, the inside bottom mounting of dripping the kettle has the base, and the inside both sides of base have all seted up the suspension chamber, be equipped with the floater in the upper end notch of base, the cover frame is equipped with two altogether, and two cover frames joint in the connecting seat both sides respectively. The utility model discloses possess and prevent back blood structure, ensure infusion security and liquid medicine needle and connect reinforced structure, improve the advantage of safety in utilization.

Description

Blood return prevention type disposable infusion apparatus

Technical Field

The utility model relates to the technical field of infusion sets, in particular to a blood return prevention type disposable infusion apparatus.

Background

The disposable infusion apparatus is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic processing and is used for intravenous infusion. Generally, the infusion apparatus is formed by connecting eight parts, namely a vein needle or an injection needle, a needle head protective cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like, and a part of the infusion apparatus also comprises an injection piece, a medicine adding port and the like. The traditional infusion apparatus is made of PVC as a raw material, and the high-performance polyolefin thermoplastic elastomer is considered as a safer and higher-performance material for manufacturing the disposable infusion apparatus. Under the action of atmospheric pressure, the liquid in the bottle flows into the dropping funnel along the thin infusion hose, and when the pressure of the water column of the dropping funnel is greater than the venous pressure, the liquid in the bottle flows into the vein along the hose.

The existing disposable infusion apparatus needs medical care personnel or patients to pay attention to the remaining situation of the liquid medicine all the time in the using process, when the liquid is completely flowed out, the blood return phenomenon is easy to occur, the infusion tube is blocked after solidification, the continuous infusion is influenced, and when the liquid is completely flowed out in the pressurized infusion, air can be pressed into the blood vessel to cause air embolism, so that the life is harmed, and the use is inconvenient; and the connection of the liquid medicine needle and the medicine bottle of the existing transfusion device is realized only by the extrusion and the friction force of the rubber of the needle head, when the dragging condition occurs, the connection is easy to fall off, the normal operation of transfusion is influenced, and the safety is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent blood return type disposable transfusion system possesses and prevents blood return structure, ensures infusion security and liquid medicine needle and connects reinforced structure, improves the advantage of safety in utilization, solves the problem in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent disposable transfusion system of blood return type, includes drips kettle, clamping ring and cover frame, the upper end of dripping the kettle is fixed with first hose, and the one end that first hose deviates from the kettle is fixed on the connecting seat, the one end that the connecting seat deviates from first hose is fixed with the liquid medicine needle, one side of dripping the kettle is equipped with the blast pipe, the one end that the kettle deviates from first hose of dripping is equipped with the second hose, the one end that the second hose deviates from the kettle is connected with the pipe through the needle file, the one end that the pipe deviates from the needle file is equipped with the needle handle, the inside bottom mounting of dripping the kettle has the base, and the suspension chamber has all been seted up to the inside both sides of base, be equipped with the floater in the upper end notch of base, the cover frame is equipped with two altogether, and two cover frames joint respectively in the connecting seat both sides, rotate through the hinge in the outside notch of cover frame and install the arm, and the top of linkage arm is fixed on the clamping ring.

Preferably, a needle head is arranged on the lower side of the needle handle, a protective cover is sleeved on the needle head, a flow regulator is sleeved in the middle of the second hose, and a roller is slidably mounted at an opening of the flow regulator. The protective cover protects the needle head, and the roller on the flow regulator extrudes the second hose to regulate the flow.

Preferably, one end of the second hose is connected with the inner side of the notch at the upper end of the base, the floating ball is attached to the joint of the second hose and the base, the opening at the inner side of the suspension cavity is connected with the inner side of the notch at the upper end of the base, and the opening at the upper side of the suspension cavity is positioned at two sides of the floating ball. The liquid medicine is guided by the suspension cavity, the liquid medicine provides suspension force to the lower side of the floating ball, and the floating ball is ensured to be suspended in the drip cup in the using process.

Preferably, the set frame is equipped with two altogether, and the butt joint department of two set frames is connected through the eye-splice, the clamping ring is equipped with two altogether, and two clamping ring group complete sets connect the ring. Realize two cover frame's connection through the eye-splice and fix, the clamping ring butt joint carries out the joint to the notch of medicine bottleneck, realizes that the connection of connecting seat and medicine bottle is fixed.

Preferably, a return spring is arranged on a hinge of the linkage arm, a pressing tail is fixed at the lower end of the outer side of the linkage arm, and the pressing tail is positioned on the outer side of the notch of the sleeve frame. The pressing tail drives the linkage arm to rotate through the hinge, and the reset of the linkage arm is realized through a reset spring on the hinge.

Compared with the prior art, the beneficial effects of the utility model are as follows: when the anti-backflow device is used, after a medicine liquid needle is inserted into a medicine bottle, two sleeve frames are respectively clamped on two sides of a connecting seat, the sleeve frames are connected and fixed through inserting buckles, two pressing rings are respectively sleeved in notches on two sides of a medicine bottle opening in the connecting process, the medicine bottle opening and the medicine liquid needle on the connecting seat are connected and reinforced, when the medicine bottle is replaced, pressing tails on two sides are pressed, a linkage arm is opened through rotation of a hinge, the linkage arm drives the two pressing rings to be separated, the medicine liquid needle is inserted into a new medicine bottle opening after being pulled out, the pressing tails are loosened, resetting of the linkage arm is realized through a reset spring on the hinge, the pressing rings are butted with notches on the outer side of the medicine bottle opening again, the pressing drip cup discharges the internal air outwards through a single air valve in an exhaust pipe, the medicine liquid enters the interior of the drip cup, the medicine liquid is filled into a suspension cavity of the base, suspension force is provided for the contact port of the suspension cavity and the float ball, the phenomenon that the float ball is stressed in a one-way is prevented from the float ball top, the float ball is prevented from being in a closed state when the medicine liquid needle is used, and the float is used for preventing the blood needle from being connected with the sealed blood bottle, and the sealed blood needle, and the safety of a patient is ensured to be used for preventing the blood.

Drawings

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

fig. 2 is an enlarged schematic view of fig. 1 according to the present invention;

fig. 3 is a schematic view of the structure of the drip cup of the present invention.

In the figure: 1. liquid medicine injection; 2. a first hose; 3. an exhaust pipe; 4. a drip cup; 5. a second hose; 6. a flow regulator; 7. a drum; 8. a protective cover; 9. a needle handle; 10. a needle seat; 11. a conduit; 12. pressing a ring; 13. a linkage arm; 14. pressing the tail; 15. inserting and buckling; 16. sleeving a frame; 17. a connecting seat; 18. a floating ball; 19. a suspension chamber; 20. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example one

Referring to fig. 1 to 3, the present invention provides an embodiment: the utility model provides a prevent disposable transfusion system of blood return type, including dripping the kettle 4, the upper end of dripping the kettle 4 is fixed with first hose 2, and the one end that first hose 2 deviates from dripping the kettle 4 is fixed on connecting seat 17, the one end that connecting seat 17 deviates from first hose 2 is fixed with liquid medicine needle 1, one side of dripping the kettle 4 is equipped with blast pipe 3, the one end that drips kettle 4 deviates from first hose 2 is equipped with second hose 5, the one end that second hose 5 deviates from dripping kettle 4 is connected with pipe 11 through needle file 10, the one end that pipe 11 deviates from needle file 10 is equipped with needle handle 9, the downside of needle handle 9 is equipped with the syringe needle, and cup jointed visor 8 on the syringe needle, the department has cup jointed flow regulator 6 in the middle of second hose 5, and flow regulator 6's opening part slidable mounting has cylinder 7, protect the syringe needle through visor 8, cylinder 7 of last 6 of flow regulator extrudes the regulation flow to second hose 5.

Example two

Referring to fig. 1 to 3, the present invention provides an embodiment: a blood return prevention type disposable infusion apparatus comprises a drip cup 4, a pressing ring 12 and a sleeve frame 16, wherein a base 20 is fixed at the bottom end of the interior of the drip cup 4, suspension cavities 19 are formed in two sides of the interior of the base 20, floating balls 18 are arranged in upper end notches of the base 20, one end of a second hose 5 is connected with the inner side of the upper end notches of the base 20, the floating balls 18 are attached to the joints of the second hose 5 and the base 20, the inner side openings of the suspension cavities 19 are connected with the inner side of the upper end notches of the base 20, the upper side openings of the suspension cavities 19 are located on two sides of the floating balls 18, flow guiding of liquid medicine is achieved through the suspension cavities 19, the liquid medicine provides suspension force for the lower sides of the floating balls 18, it is guaranteed that the floating balls 18 are suspended in the drip cup 4 in the using process, the sleeve frames 16 are connected with two sleeve frames 16, the two sleeve frames 16 are respectively clamped on two sides of a connecting seat 17, the outer side notches of the sleeve frame 16 are rotatably provided with two hinge arms 13 through hinges, the top ends of the linkage arms 13 are fixed on the pressing ring 12, the pressing ring 16 is connected with a tail end of a tail pressing spring, the tail pressing ring 13, the tail end of a tail pressing spring, the hinge is connected with a tail end of a bottle, the tail pressing ring 13, and a tail pressing ring 14, and a tail pressing spring, and a tail pressing ring 14 is fixed hinge, the tail pressing spring, and a tail pressing sleeve frame 13.

The working principle is as follows: when the utility model is used, after the medical staff finishes the insertion of the liquid medicine needle 1 and the medicine bottle, the two sleeve frames 16 are respectively clamped at the two sides of the connecting seat 17, the sleeve frames 16 are fixedly connected through the eye-splice 15, the two press rings 12 are respectively sleeved in the notches at the two sides of the medicine bottle mouth in the connecting process, so that the medicine bottle mouth is connected and reinforced with the liquid medicine needle 1 on the connecting seat 17, when the medicine bottle is replaced, the press tails 14 at the two sides are pressed, the linkage arm 13 is opened through the rotation of the hinge, the linkage arm 13 drives the two press rings 12 to separate, at the moment, the liquid medicine needle 1 is inserted in a new medicine bottle mouth after being pulled out, the press tails 14 are loosened, the bottle mouth of the linkage arm 13 is reset through the reset spring on the hinge, and the press ring 12 is butted with the notch at the outer side of the medicine bottle again, press down drip cup 4 and pass through the inside air with the inside air and outwards discharge single pneumatic valve in blast pipe 3, the liquid medicine gets into drip cup 4 inside, the liquid medicine is filled into base 20's suspension chamber 19, the contact hole through suspension chamber 19 and floater 18 provides the suspension power to floater 18, avoid because of the liquid medicine from floater 18 top application pressure cause the unable movable phenomenon of the one-way atress of floater 18, floater 18 passes through the liquid medicine suspension in drip cup 4, the liquid medicine passes through the outside water conservancy diversion of second hose 5, after the liquid medicine drop finishes, the floater 18 seals second hose 5 and base 20's junction in getting back to base 20's the notch, realize the closure of second hose 5, it is internal to avoid the liquid medicine to continuously pour into the patient into, prevent the phenomenon of returning blood. The working principle of the present invention is the above.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent disposable transfusion system of blood return type, includes drip cup (4), clamping ring (12) and cover frame (16), its characterized in that: the utility model discloses a drip irrigation device, including drip kettle (4), connecting seat (17), first hose (2), blast pipe (3) are equipped with to one side of drip kettle (4), the one end that deviates from first hose (2) of connecting seat (17) is fixed with liquid medicine needle (1), one side of drip kettle (4) is equipped with blast pipe (3), the one end that deviates from first hose (2) of drip kettle (4) is equipped with second hose (5), the one end that deviates from drip kettle (4) of second hose (5) is connected with pipe (11) through needle file (10), the one end that pipe (11) deviates from needle file (10) is equipped with needle handle (9), the inside bottom mounting of drip kettle (4) has base (20), and the inside both sides of base (20) have all been seted up suspension chamber (19), be equipped with floater (18) in the upper end notch of base (20), cover frame (16) are equipped with two altogether, and two cover frame (16) joint in connecting seat (17) both sides respectively, cover frame (16) install the outside through linkage arm (13) and fix on linkage arm (13) and hinge.

2. The blood return prevention type disposable infusion set according to claim 1, characterized in that: the lower side of the needle handle (9) is provided with a needle head, a protective cover (8) is sleeved on the needle head, a flow regulator (6) is sleeved in the middle of the second hose (5), and a roller (7) is slidably mounted at an opening of the flow regulator (6).

3. The blood return prevention type disposable infusion set according to claim 1, characterized in that: one end of the second hose (5) is connected with the inner side of the notch at the upper end of the base (20), the floating ball (18) is attached to the joint of the second hose (5) and the base (20), the inner side opening of the suspension cavity (19) is connected with the inner side of the notch at the upper end of the base (20), and the upper side opening of the suspension cavity (19) is positioned at two sides of the floating ball (18).

4. The blood return prevention type disposable infusion set according to claim 1, characterized in that: set frame (16) are equipped with two altogether, and the butt joint department of two set frames (16) is connected through eye-splice (15), clamping ring (12) are equipped with two altogether, and two clamping ring (12) set of group connect the ring.

5. The blood return prevention type disposable infusion set according to claim 1, characterized in that: a return spring is arranged on a hinge of the linkage arm (13), a pressing tail (14) is fixed at the lower end of the outer side of the linkage arm (13), and the pressing tail (14) is positioned at the outer side of a notch of the sleeve frame (16).