CN214970135U - Flow fine adjuster additionally arranged on disposable venous transfusion device - Google Patents

Abstract

The utility model discloses a flow fine adjuster additionally arranged on a disposable venous transfusion device, belonging to the technical field of venous transfusion. The front end surface of the box body is provided with a U-shaped pipeline groove, two ends of the U-shaped pipeline groove are provided with notches extending from the upper end surface and the lower end surface of the box body, the front end of the box body is hinged with a buckle plate, the right end of the buckle plate is provided with a buckle, the right end of the box body is provided with a clamping block, and the buckle plate is clamped on the clamping block after being closed; the spacing slot that communicates with U type pipeline groove is seted up on the box body left side, the counter bore has been seted up to spacing slot department, it has the screw thread post to insert in the counter bore, screw thread post tip is equipped with the picture peg that is located spacing slot, the box body left side is equipped with the gyro wheel of screw in screw thread post, the gyro wheel both sides be equipped with box body fixed connection's lug, the box body left side is equipped with the stopper on the suit screw thread post, the stopper right side is equipped with the pterygoid lamina with the lug centre gripping, be equipped with the interior hexagonal screw of screw thread screw in lug on the terminal surface before its pterygoid lamina.

Description

Flow fine adjuster additionally arranged on disposable venous transfusion device

Technical Field

The utility model relates to a flow fine adjuster additionally arranged on a disposable venous transfusion device, belonging to the technical field of venous transfusion.

Background

Disposable flow sets for fine setting venous transfusion system is the venous transfusion apparatus that cardiovascular disease patient often used, because the drop number needs to be controlled during most intracardiac branch of academic or vocational study patient venous transfusion to avoid the blood pressure suddenly drop that the too fast blood transfusion that leads to of dilatation blood vessel medicine infusion or the acute pulmonary edema that the infusion speed is too fast induced, consequently medical personnel need according to the change of patient's blood pressure or state of an illness, adjust the drop number of infusion, avoid adverse events to take place.

But disposable flow setting fine setting venous transfusion system cost is higher, and the frequent disposable flow setting fine setting venous transfusion system that uses of patient in hospital can bring partly extra expenditure for the patient, and ordinary disposable transfusion system though the cost is low, and the regulating effect is not accurate enough, needs nurse's frequent regulation infusion speed, and this has not only increased work load for the nurse, and it is difficult to carry out more accurate drop number according to the change of blood pressure or the state of an illness moreover and adjusts.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies existing in the prior art, the utility model provides an install additional flow fine setting ware on disposable intravenous transfusion system, the external installation is on disposable intravenous transfusion system, can use repeatedly, is carved with the scale on the gyro wheel, and help medical personnel that can be relatively accurate through the scale control patient intravenous injection number of dripping, simple structure, preparation low cost, frequent use can save not little economic expenditure for the patient.

The utility model provides a technical scheme that its technical problem adopted is: a flow fine adjuster additionally arranged on a disposable intravenous infusion apparatus comprises a box body, a buckle plate, a buckle, a clamping block, a convex block, a limiting block, an inner hexagonal screw, a roller wheel, a pointer, a counter bore, a threaded rod and a plug board, wherein the box body is a rectangular body, a U-shaped pipeline groove is formed in the front end face of the box body, notches extending out of the upper end face and the lower end face of the box body are formed in two ends of the U-shaped pipeline groove, the front end of the box body is hinged with the buckle plate for sealing the U-shaped pipeline groove through a hinge shaft, the right end of the buckle plate is fixedly connected with the buckle, the right end of the box body is fixedly connected with the clamping block with an inclined plane, and the buckle is clamped on the clamping block after the buckle plate is closed; the left side of the box body is provided with a limiting slot communicated with the U-shaped pipeline slot, the limiting slot on the left side of the box body is provided with a counter bore, a threaded column is inserted into the counter bore, the end part of the threaded column is fixedly connected with an inserting plate positioned in the limiting slot, the left side of the box body is provided with a roller screwed into the threaded column, two sides of the roller are provided with a lug fixedly connected with the box body, the left side of the box body is provided with a limiting block sleeved on the threaded column, the right side of the limiting block is provided with a wing plate for clamping the lug, the front end surface of the wing plate is provided with an inner hexagonal screw screwed into the lug, the limiting block is fixedly connected with the box body through the inner hexagonal screw, the roller is limited through the right end surface of the limiting block and the left end surface of the box body, when the roller rotates, the threaded rod can only translate left and right under the action of the inserting plate and the limiting slot, and further drives the inserting plate to be inserted into the U-shaped pipeline slot, the roller is provided with a left and right circle of scales, pointers are arranged on the front end faces of the box body and the limiting block, the roller rotates for two circles to drive the feeding distance of the inserting plate, the distance is the distance when the inserting plate is tightly propped against the U-shaped pipeline and the U-shaped pipeline is clamped into the venous transfusion catheter to be sealed, the scale on the left side of the roller is the flow drop number of the venous transfusion catheter in the first circle of rotation, the scale on the right side of the roller is the flow drop number of the venous transfusion catheter in the second circle of rotation, and the scale value is from 250ml/h to 0 ml/h.

Furthermore, the inner diameter of the U-shaped pipeline groove is 4mm, the depth of the U-shaped pipeline groove is 4mm, and the U-shaped pipeline groove is mainly suitable for intravenous infusion catheters with the diameter of 4 mm.

When the device is used, the buckle plate of the device is punched, a venous transfusion catheter above a drip cup of a venous transfusion device is embedded into a U-shaped pipeline groove, the buckle plate is closed, the venous transfusion catheter is sealed, the device is clamped on the venous transfusion device, corresponding drop number requirement adjustment is carried out according to the blood pressure condition of a patient, the adjustment process can be judged by observing scales on a roller wheel pointed by a pointer, the roller wheel and a threaded rod are in a thread matching relationship, after the adjustment is completed, the device has a self-locking function, the flow stability is ensured, the scale value finely adjusted by the flow on the roller wheel is only about, the device can be used for intravenous injection of most patients, if ultra-precise control is required, the drop number is corrected, factors such as the height of a static pressure head, the specification with a needle, the viscosity of liquid medicine, the position of a blood vessel, whether precise liquid medicine filtering is carried out, and the physique of the patient can influence the flow.

The utility model has the advantages that: the problem of the unable precision adjustment of disposable venous transfusion system is solved, the flow fine setting ware of installing additional on the disposable venous transfusion system is provided, the external installation is on disposable venous transfusion system, the mounting means is simple, the buckle is closed back, the device can firmly be on venous transfusion system pipeline, and can use repeatedly, be carved with the scale on the gyro wheel, help medical personnel that can be relatively accurate through the scale control patient intravenous route number of dripping, moreover, the steam generator is simple in structure, the manufacturing cost is low, frequent use, can save not little economic expenditure for the patient.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the structure of the present invention.

Fig. 3 is a schematic view of a part of the structure of the present invention.

Fig. 4 is a partial structural sectional view of the present invention.

Fig. 5 is an exploded view of the structure of the present invention.

Fig. 6 is a schematic view of the disposable intravenous injector of the present invention.

Fig. 7 is a schematic structural diagram of the utility model after adjusting the number of drops.

Reference numbers in the figures:

1. the infusion set comprises a box body, 2 parts of a buckle plate, 3 parts of a buckle, 4 parts of a clamping block, 5 parts of an intravenous infusion catheter, 6 parts of a convex block, 7 parts of a limiting block, 8 parts of an inner hexagonal screw, 9 parts of a roller, 10 parts of a pointer, 11 parts of a U-shaped pipeline groove, 12 parts of a limiting slot, 13 parts of a counter bore, 14 parts of a threaded rod, 15 parts of an inserting plate.

Detailed Description

As shown in fig. 1-7, the flow rate trimmer additionally installed on the disposable intravenous infusion set comprises a box body 1, a buckle plate 2, a buckle 3, a clamping block 4, a convex block 6, a limiting block 7, an inner hexagonal screw 8, a roller 9, a pointer 10, a counter bore 13, a threaded rod 14 and a plug board 15, wherein the box body 1 is a rectangular body, a U-shaped pipeline groove 11 is formed in the front end surface of the box body, two ends of the U-shaped pipeline groove 11 are provided with a notch extending from the upper end surface and the lower end surface of the box body 1, the front end of the box body 1 is hinged with the buckle plate 2 sealing the U-shaped pipeline groove 11 through a hinge shaft, the right end of the buckle plate 2 is fixedly connected with the buckle 3, the right end of the box body 1 is fixedly connected with the clamping block 4 with an inclined plane, and the buckle plate 3 is clamped on the clamping block 4 after the buckle plate 2 is closed; a limiting slot 12 communicated with a U-shaped pipeline slot 11 is arranged on the left side of the box body 1, a counter bore 13 is arranged at the position of the limiting slot 12 on the left side of the box body 1, a threaded column 14 is inserted into the counter bore 13, the end part of the threaded column 14 is fixedly connected with an inserting plate 15 positioned in the limiting slot 12, a roller 9 screwed into the threaded column 14 is arranged on the left side of the box body 1, a lug 6 fixedly connected with the box body 1 is arranged on the two sides of the roller 9, a limiting block 7 sleeved on the threaded column 14 is arranged on the left side of the box body 1, a wing plate for clamping the lug 6 is arranged on the right side of the limiting block 7, an inner hexagonal screw 8 screwed into the lug 6 is arranged on the front end surface of the wing plate, the limiting block 7 is fixedly connected with the box body 1 through the inner hexagonal screw 8, the roller 9 is limited through the right end surface of the limiting block 7 and the left end surface of the box body 1, when the roller 9 rotates, the threaded rod 14 is under the action of the inserting plate 15 and the limiting slot 12, can only control the translation, and then order about picture peg 15 and insert in U type pipeline groove 11, gyro wheel 9 on be equipped with about two rings of scales, all be equipped with pointer 10 on the preceding terminal surface of box body 1 and stopper 7, gyro wheel 9 is rotatory two rings and orders about the feed distance of picture peg 15, for picture peg 15 top tightly its U type pipeline groove 11 in the distance of card venous transfusion pipe 3 when sealing, among the rotatory first circle of scale in gyro wheel 9 left side, the flow number of drops of venous transfusion pipe 3, among the rotatory second circle of scale in gyro wheel 9 right side, the flow number of drops of venous transfusion pipe 3, scale numerical value is from 250ml/h-0 ml/h.

Furthermore, the U-shaped pipeline groove 11 has an inner diameter of 4mm and a depth of 4mm, and is mainly suitable for the intravenous infusion catheter 5 with a diameter of 4 mm.

When in use, the buckle plate 2 of the device is punched, the venous transfusion catheter 5 above the drip cup of the venous transfusion device is embedded into the U-shaped pipeline groove 11, the buckle plate 2 is closed, the venous transfusion catheter 5 is sealed, the device is clamped on an intravenous infusion set, corresponding drop number requirement adjustment is carried out according to the blood pressure condition of a patient, judgment can be carried out by observing scales on a roller 9 pointed by a pointer 10 in the adjustment process, the roller 9 and a threaded rod 14 are in a thread matching relationship, after the adjustment is carried out, has self-locking function, ensures the flow stability, has the scale value of the fine adjustment of the flow on the roller 9 only about, can be used for intravenous injection of most patients, and can be corrected by the number of drops if the ultra-precise control is required, factors such as the height of the hydrostatic head, the gauge of the needle, the viscosity of the medical fluid, the position of entering the blood vessel, whether precise medical fluid filtration is performed, the physical condition of the patient and the like all influence the flow rate.

Claims (3)

1. The utility model provides an install additional flow fine setting ware on disposable venous transfusion system which characterized in that: the clamping plate comprises a box body, a clamping plate, a buckle, a clamping block, a convex block, a limiting block, an inner hexagonal screw, a roller wheel, a pointer, a counter bore, a threaded rod and a plugboard, wherein the box body is a rectangular body, a U-shaped pipeline groove is formed in the front end face of the box body, notches extending from the upper end face and the lower end face of the box body are formed in two ends of the U-shaped pipeline groove, the front end of the box body is hinged with the clamping plate for sealing the U-shaped pipeline groove through a hinge shaft, the right end of the clamping plate is fixedly connected with the buckle, the right end of the box body is fixedly connected with the clamping block with an inclined plane, and the buckle is clamped on the clamping block after the clamping plate is closed; set up the spacing slot with U type pipeline groove intercommunication on the box body left side, the counter bore has been seted up in the spacing slot department in box body left side, it has the screw thread post to insert in the counter bore, screw thread post tip fixedly connected with is located the picture peg of spacing slot, the box body left side is equipped with the gyro wheel of screw thread screw in screw thread post, the gyro wheel both sides are equipped with the lug with box body fixed connection, the box body left side is equipped with the stopper on the suit screw thread post, the stopper right side is equipped with the pterygoid lamina with the lug centre gripping, be equipped with the interior hexagonal screw of screw thread screw in lug on its pterygoid lamina preceding terminal surface, make stopper and box body fixed connection through interior hexagonal screw, and it is spacing with the gyro wheel with the left side terminal surface of box body to pass through the right-hand member face of stopper.

2. The flow rate trimmer added to the disposable intravenous set according to claim 1, characterized in that: the utility model discloses a blood vessel venous transfusion catheter, including gyro wheel, box body and stopper, gyro wheel, the gyro wheel on be equipped with about two rings of scales, all be equipped with the pointer on the preceding terminal surface of box body and stopper, the rotatory two rings of gyro wheel and order about the feed distance of picture peg, for the picture peg top tightly its U type pipeline inslot card go into the distance when venous transfusion catheter seals, the scale of gyro wheel left side is in rotatory first circle, the flow number of dripping of venous transfusion catheter, the scale value is from 250ml/h-0ml/h in rotatory second circle, the flow number of dripping of venous transfusion catheter.

3. The flow rate trimmer added to the disposable intravenous set according to claim 1, characterized in that: the U-shaped pipeline groove has the inner diameter of 4mm and the depth of 4mm, and is mainly suitable for the venous transfusion catheter with the diameter of 4 mm.

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