CN208852124U - Novel transfusion device - Google Patents

Abstract

The utility model relates to a kind of novel transfusion devices, including bottle plug puncture unit, Murphy type burette, liquid medicine filter and the transfusion needle being sequentially communicated by infusion tube, governor between the Murphy type burette and the liquid medicine filter, the infusion tube at Murphy type burette inlet is equipped with spray head in its two sides, and one is additionally provided in the Murphy type burette for floating in it and blocking the hollow sphere of its liquid outlet；The governor has cavity body structure, and the governor is threadedly coupled one for squeezing the adjusting rod of the infusion tube in governor in one side.The hollow sphere of the utility model is swum in Murphy type burette in infusion process, after the liquid in Murphy type burette will drip off, the gravity of hollow sphere is greater than its buoyancy, so that hollow sphere blocks liquid outlet after infusion closes to an end, make to generate big section air in infusion tube and cause blood back at vein steel needle.

Description

Novel transfusion device

Technical field

The utility model belongs to medical appliance field more particularly to a kind of novel transfusion device.

Background technique

Traditional infusion device infusion bottle and steel needle lean on frictional force between the two only to keep connecting, especially defeated to children's vein Since children's nature is active when liquid, steel needle is particularly easy to be pulled out, and adult turns over and also can accidentally be pulled out being infused sometimes Bottle.For traditional infusion device if patient or family members do not pay attention to paying close attention to after medical fluid drips off, it is empty that perfusion tube can generate a big section Gas, and blood back can be also generated at vein steel needle, allow patient to feel panic.The transfusion dropping speed controller roller-coaster resistance of traditional infusion device Larger, especially nurse is very big across packaging bag closing transfusion dropping speed controller resistance before hanging medical fluid, and sliding is to finger tip every time Frictional force it is larger, easy damaged skin, the searching that also to bow in practice operation is dripped fast adjuster, especially quilt and is covered, The more wasteful time.Traditional infusion device filter front connects the frictional force usually between adapter of plastic, but effect with syringe needle It is bad, it is easy to fall off and pollutes, nurse can twist very tight sometimes, but be infused and terminate when needing tube sealing, and resistance is again very big, has When need vessel forceps to open it, it is very laborious time-consuming.The aircraft nose of traditional infusion device needle handle is too small, be not easy securely to hold needle into Needle, and be all to be close to skin when fixing, needle slope can be close to vascular wall sometimes, be easy to cause the illusion of puncture failure.

Chinese patent application (205460160 U of CN) discloses disposable transfusion device auto-stopping drop pot, including above leads Pipe, pot lid, drop pot main body, hollow sphere, cushion, dropping funnel and downcomer；The upper end opening of the drop pot main body, the pot lid The cover is adapted at the upper end opening of the drop pot main body, the drop pot main body is cylindrical structure；The upper conduit It is connected on the pot lid, the upper conduit is equipped with air filter and chemical feed pipe；The hollow sphere is arranged in institute In the drop pot main body stated, the lower end of the drop pot main body is equipped with liquid outlet, and the dropping funnel is connected to the drop pot main body Liquid outlet on, the dropping funnel be inverted cone-shaped structure；The tip edges of the dropping funnel are arranged in the cushion, are located at The junction of the dropping funnel and the drop pot main body, and the hollow sphere and the cushion connect；Described Downcomer is connected to the bottom of the dropping funnel, is connected with helmet and venous needle on the downcomer.

Utility model content

The purpose of this utility model is to provide a kind of novel transfusion device, infusion apparatus cyclopentadienyl Fei Shi drop after infusion Big section air will not be generated by managing in infusion tube below causes blood back at vein steel needle, and facilitates nurse in infusion process Governor is adjusted to which injury of finger will not be caused.

A kind of novel transfusion device, including the bottle plug puncture unit, Murphy type burette, medical fluid mistake being sequentially communicated by infusion tube Filter and transfusion needle, the governor between the Murphy type burette and the liquid medicine filter are described to be located at cyclopentadienyl Fei Shi drop Infusion tube at pipe inlet is equipped with spray head in its two sides, be additionally provided in the Murphy type burette one for floating in it, And block the hollow sphere of its liquid outlet；The governor has cavity body structure, and the governor is threadedly coupled in one side One for squeezing the adjusting rod of the infusion tube in governor.

Preferably, the governor is cylindrical structure, is filled with soft material in the cavity of the governor.

Preferably, the needle handle of the transfusion needle uses U-shaped bi-wing configuration.

It is furthermore preferred that the angle of chamfer of the needle handle of the transfusion needle is 5 °.

Preferably, fire-fighting hydrant connector or pressure cooker are used between the liquid outlet end and infusion tube of the liquid medicine filter The connection of formula connector.

Preferably, a traction device for lifting upwards is fixedly connected on the needle handle of the bottle plug puncture unit.

It is furthermore preferred that the traction device is traction rope or leash.

Preferably, the adjusting rod is the screw rod with three rib type head of curved surface.

Preferably, the governor is arranged close to the Murphy type burette.

In the utility model, the steel needle connecting with infusion bottle designs an aircraft nose with holes, hangs a ribbon toroid lanyard, but outer Lanyard guarantees that steel needle will not fall off out of infusion bottle when power pulls perfusion tube；Murphy type tube, which is designed as interior bottom, a hollow sphere Shape body (buoyancy is slightly larger than gravity), top slightly long soft-pipe is the spray head of both sides aperture, and when squeezing Murphy type tube, medical fluid can edge Murphy type tube wall flow down without generate foam, do not impact floating ball, after medical fluid flooded floating ball due to buoyancy be slightly larger than gravity, float Ball starts to float in medical fluid, when medical fluid can not flood floating ball floating ball sinking blocked perfusion tube, make perfusion tube do not have air into Enter, and since pressure effect will not generate blood back；Murphy type tube is located next to the spiral speed governing valve of connecting cylinder shape, and finger turns Nut at curved surface prismatic, its complementary space filled soft material in cylindrical body, for infusion after vein steel needle can be suitable Hand insertion avoids generation needle from stabbing；Fire-fighting hydrant connector is designed as at transition joint, mostly one in the connection of conventional friction power Anti- hinge button connection, can be effectively ensured its fastness and flexibility；The two sides U-shaped aircraft wing is designed as at needle handle, pinpoint inclined plane hangs down Directly in U-shaped winged wingpiston, in inserting needle, thumb and middle finger are stuck on the U-shaped aircraft wing, and index finger is against steel needle end, and inserting needle leans on Wrist is exerted oneself, and is 5 degree of inclined-planes with the skin place of abutting, guarantees that steel needle inclined-plane in the blood vessels will not be close to vascular wall.

Infusion apparatus lanyard described in the utility model can prevent syringe needle and infusion bottle because external force is detached from, float-ball type cyclopentadienyl Fei Shi Pipe can prevent from generating blood back and perfusion tube at the end of infusion and enter air, spiral speed governing valve can more easy adjustment drop speed and The anti-needle of contact pin is stabbed after infusion, and fire-fighting hydrant connector can prevent from falling off and mistake because external force or frictional force are insufficient The impurity in medical fluid is filtered, the U-shaped aircraft nose in two sides can guarantee that inserting needle is more firm, and 5 be close to skin degree inclined-plane can guarantee steel It is not close to vascular wall in needle inclined-plane.

Liquid medicine contamination caused by series of factors when the utility model can effectively reduce infusion, can save because falling off Pollution and the material cost replaced, can be to avoid the anxiety for having air and blood back to generate patient because of perfusion tube, can be with The working strength of nursing staff is reduced, it is time saving and energy saving, while also improving the working efficiency of nursing staff.

The beneficial effects of the utility model are:

Traction device in novel transfusion device provided by the utility model makes patient exist because lifting bottle plug puncture unit upwards It will not fall off because of the movement such as turn in infusion process, hollow sphere is swum in infusion process in Murphy type burette, works as cyclopentadienyl After liquid in Fei Shi dropper will drip off, the gravity of hollow sphere is greater than its buoyancy, so that the hollow sphere after infusion closes to an end Liquid outlet is blocked, makes to generate big section air in infusion tube and cause blood back at vein steel needle；Furthermore it is filled out inside governor The soft material and governor filled are threadedly coupled the adjusting rod with three rib type head of curved surface, are squeezed and are infused by adjusting rod Hose makes nurse facilitate the flow rate of liquid adjusted in infusion tube, and vein steel needle can smoothly be inserted into speed regulation after infusion To avoid needle from stabbing in device；The liquid medicine filter of the utility model uses fire-fighting hydrant connector, guarantees the fastness of its connection And flexibility；Needle handle is designed as the U-shaped aircraft wing structure in two sides, and the angle of chamfer is 5 °, guarantees that steel needle inclined-plane will not paste in the blood vessels Vascular wall.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment.

Fig. 2 is the structural schematic diagram of the adjusting rod of the utility model embodiment.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing:

As illustrated in fig. 1 and 2, a kind of novel transfusion device, including passing through bottle plug puncture unit 1, the cyclopentadienyl that infusion tube 5 is sequentially communicated Fei Shi dropper 2, liquid medicine filter 3 and transfusion needle 4, the medical fluid between the Murphy type burette 2 and the liquid medicine filter 3 Drip fast governor 6.The needle handle of the bottle plug puncture unit 1 is equipped with a traction device, and the traction device is and bottle stopper puncture The traction rope 71 (or leash) that the needle handle of device 1 is fixedly connected, the traction device is for mentioning bottle plug puncture unit 1 upwards It draws, and is suspended on the hook for hanging infusion bottle.

Infusion tube at the inlet in the Murphy type burette 2 is equipped with spray head 51, luxuriant Fei Shi drop in its two sides There are one hollow spheres 21 in pipe 2, and the hollow sphere 21 is plastic hollow ball, and when squeezing Murphy type burette 2, medical fluid is from infusion The spray head 51 of the two sides of hose sprays, and flows down medical fluid along the inner wall of Murphy type burette 2, will not generate foam and air, when When medical fluid floods hollow sphere 21, because the buoyancy of hollow sphere 21 is greater than gravity, hollow sphere 21 floats in Murphy type burette 2, when defeated When liquid closes to an end, the medical fluid in Murphy type burette 2 is gradually reduced, when the gravity of hollow sphere is greater than suffered buoyancy, because of sky The diameter that the diameter of bulbus cordis is greater than the infusion tube at liquid outlet is less than the diameter dimension of Murphy type burette, so that hollow sphere can be with It blocks at liquid outlet, air after infusion is avoided to enter the blood back that infusion tube causes patient at steel needle.

It is equipped with the governor 6 close to the infusion tube of the Murphy type burette 2, the governor 6 is cylindrical type chamber Body structure, 6 cavity of governor is interior filled with soft material, and the side of governor 6 has three rib type head of curved surface with one Screw rod 61 is threadedly coupled, and the end of screw rod 61 is contacted with the infusion tube in governor 6, makes the spiral shell by rotating the screw rod 61 61 end of bar squeezes the infusion tube in governor 6, to achieve the purpose that control medical fluid drop speed, in order to squeeze screw rod 61 During infusion tube, infusion tube will not be caused to damage, the end face of the screw rod 61 is even surface.

It (can also be using height using fire-fighting hydrant connector between the liquid outlet end and infusion tube of the liquid medicine filter 3 Press cooking-pot type connector) connection, can prevent Joint's falling off or frictional force from crossing ambassador's connector cannot be detached from.The needle handle of the transfusion needle 4 Using U-shaped bi-wing configuration, as shown in Figure 1, the angle of chamfer of the needle handle of the transfusion needle is 5 °.

Claims (9)

1. a kind of novel transfusion device, including the bottle plug puncture unit, Murphy type burette, medical filtration being sequentially communicated by infusion tube Device and transfusion needle, the governor between the Murphy type burette and the liquid medicine filter, it is characterised in that: described to be located at Infusion tube at Murphy type burette inlet is equipped with spray head in its two sides, and one is additionally provided in the Murphy type burette for floating Hollow sphere in it, blocking its liquid outlet；The governor has cavity body structure, and the governor is in one side spiral shell Line connects one for squeezing the adjusting rod of the infusion tube in governor.

2. a kind of novel transfusion device according to claim 1, it is characterised in that: the governor is cylindrical structure, institute It states in the cavity of governor filled with soft material.

3. a kind of novel transfusion device according to claim 1, it is characterised in that: the needle handle of the transfusion needle is using U-shaped double Wing structure.

4. a kind of novel transfusion device according to claim 3, it is characterised in that: the angle of chamfer of the needle handle of the transfusion needle is 5°。

5. a kind of novel transfusion device according to claim 1, it is characterised in that: the liquid outlet end of the liquid medicine filter with It is connected between infusion tube using fire-fighting hydrant connector or pressure cooker type connector.

6. -5 any a kind of novel transfusion device according to claim 1, it is characterised in that: the needle handle of the bottle plug puncture unit On be fixedly connected with one for the traction device that lifts upwards.

7. a kind of novel transfusion device according to claim 6, it is characterised in that: the traction device is traction rope or leads Leader tape.

8. -5 any a kind of novel transfusion device according to claim 1, it is characterised in that: the adjusting rod is with curved surface The screw rod on three rib type heads.

9. -5 any a kind of novel transfusion device according to claim 1, it is characterised in that: the governor is close to the cyclopentadienyl The setting of Fei Shi dropper.