CN213554461U

CN213554461U - Infusion apparatus structure capable of preventing blood return

Info

Publication number: CN213554461U
Application number: CN202021165016.5U
Authority: CN
Inventors: 钟知
Original assignee: Liaoning Cancer Hospital and Institute
Current assignee: Liaoning Cancer Hospital and Institute
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-06-29
Anticipated expiration: 2030-06-22

Abstract

The utility model relates to a transfusion system technical field specifically is a prevent transfusion system structure of blood return, the top of transfer line is connected with the puncture head, and the outside below position department that is located the puncture head of transfer line is provided with the drip chamber, the outside below position department that is located the drip chamber of transfer line has cup jointed flow regulator, and the surface of transfer line is located flow regulator's below position department and is provided with discharge valve, the end of transfer line is fixed with the syringe needle, be provided with pipeline arrangement mechanism between flow regulator and the discharge valve. The utility model discloses can further improve the security of patient when the infusion, when the liquid medicine in the dropping funnel is about to transfuse, the emergence of blood return phenomenon can be avoided in the setting of suspension ball, at the in-process of infusion, because the transfer line overlength can be scratched its carelessly sometimes, so designed pipeline arrangement mechanism, can shorten the length of transfer line relatively, avoid causing the injury to the patient.

Description

Infusion apparatus structure capable of preventing blood return

Technical Field

The utility model relates to a transfusion system technical field specifically is a prevent transfusion system structure of blood return.

Background

The infusion apparatus is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic treatment for intravenous infusion. Generally comprises eight parts of a vein needle or an injection needle, a needle head protective cap, a transfusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like which are connected.

When a patient is in transfusion, after liquid medicine is dripped, blood return can occur, and in the transfusion process, the transfusion tube is too long and can be accidentally scratched sometimes to possibly injure the patient, so that the technical personnel in the field provide a transfusion device structure for preventing blood return to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent transfusion system structure of blood return to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a transfusion device structure for preventing blood return comprises a transfusion tube, wherein a puncture head is connected to the top end of the transfusion tube, a drip chamber is arranged outside the transfusion tube and below the puncture head, a flow regulator is sleeved at the position outside the transfusion tube and below the drip chamber, an exhaust valve is arranged on the surface of the transfusion tube and below the flow regulator, a needle head is fixed at the tail end of the transfusion tube, an air inlet pipe is connected to the position on one side of the surface of the puncture head, a pipeline arrangement mechanism is arranged between the flow regulator and the exhaust valve, and a fixing mechanism is arranged between the exhaust valve and the needle head; pipeline arrangement mechanism includes the fixed column, the surface symmetry of fixed column is fixed with first lead screw, the one end of first lead screw is provided with the second lead screw, and links to each other through the adjusting collar between first lead screw and the second lead screw, the one end of second lead screw is connected with the regulating plate, the fixed surface of regulating plate has two fixed blocks, the one end of fixed block is connected with the clamp splice.

As a further aspect of the present invention, the fixing mechanism includes a connecting sleeve sleeved outside the infusion tube, one end of the connecting sleeve is connected with a fixing band, the rear surface of the fixing band is provided with an adhesive tape, and the rear surface of the adhesive tape is bonded with an adhesive tape film.

As a further proposal of the utility model, the inside of the dropping funnel is provided with a suspension ball, the outside of the suspension ball is sleeved with a soft sleeve, and the soft sleeve is a component made of EVA material.

As a further aspect of the present invention, the inside of the clamping block is provided with a non-slip mat, which is a member made of rubber.

As a further scheme of the utility model, the length of first lead screw and second lead screw is the half of adjusting collar length, and the screw thread trend of first lead screw and second lead screw is opposite, the inside of adjusting collar is provided with two sections internal threads with the screw thread looks adaptation of first lead screw and second lead screw respectively.

As a further aspect of the utility model, the surface of fixed column is located hypomere position department and is fixed with the telescopic link, the one end and the regulating plate of telescopic link are fixed continuous.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can further improve the security of patient when the infusion to make things convenient for medical personnel to operate, when liquid medicine in the dropping funnel is about to transfuse, the emergence of blood phenomenon can be avoided returning in the setting of suspension ball, at the in-process of infusion, because the transfer line overlength can be scratched its carelessly sometimes, so designed pipeline arrangement mechanism, can shorten the length of transfer line relatively, avoid causing the injury to the patient.

Drawings

Fig. 1 is a structural schematic diagram of an infusion apparatus structure for preventing blood return.

Fig. 2 is a schematic structural diagram of a pipeline arranging mechanism in an infusion apparatus structure for preventing blood return.

Fig. 3 is a schematic structural view of a side fixing strap in an infusion apparatus structure for preventing blood return.

In the figure: 1. a transfusion tube; 2. a puncture head; 3. an air inlet pipe; 4. a dropping funnel; 5. suspending the ball; 6. a flow regulator; 7. fixing a column; 8. an adjusting plate; 9. a first lead screw; 10. a second lead screw; 11. an adjusting sleeve; 12. a fixed block; 13. a clamping block; 14. a non-slip mat; 15. an exhaust valve; 16. connecting sleeves; 17. fixing belts; 18. an adhesive tape; 19. a tape film; 20. a needle.

Detailed Description

Please refer to fig. 1-3, in the embodiment of the utility model, an prevent transfusion system structure of blood return, including transfer line 1, the top of transfer line 1 is connected with puncture head 2, and the outside below position department that is located puncture head 2 of transfer line 1 is provided with drip chamber 4, the outside below position department that is located drip chamber 4 of transfer line 1 has cup jointed flow regulator 6, and the below position department that the surface of transfer line 1 is located flow regulator 6 is provided with discharge valve 15, the end of transfer line 1 is fixed with syringe needle 20, the surface that punctures head 2 is located one side position department and is connected with intake pipe 3, be provided with pipeline arrangement mechanism between flow regulator 6 and the discharge valve 15, be equipped with fixed establishment between discharge valve 15 and the syringe needle 20.

The pipeline arranging mechanism comprises a fixed column 7, a first lead screw 9 is symmetrically fixed on the surface of the fixed column 7, a second lead screw 10 is arranged at one end of the first lead screw 9, the first lead screw 9 is connected with the second lead screw 10 through an adjusting sleeve 11, an adjusting plate 8 is connected to one end of the second lead screw 10, two fixed blocks 12 are fixed on the surface of the adjusting plate 8, and one end of each fixed block 12 is connected with a clamping block 13.

In fig. 1 and 3, fixing mechanism is including cup jointing in the outside adapter sleeve 16 of transfer line 1, and the one end of adapter sleeve 16 is connected with fixed band 17, and the rear surface of fixed band 17 is provided with sticky tape 18, and the rear surface of sticky tape 18 bonds has sticky tape membrane 19, after the nurse pricks syringe needle 20 into patient's vein, needs fix the syringe needle, at this moment alright directly tear sticky tape membrane 19 down, paste sticky tape 18 in patient's back of the hand, convenient and fast more.

In fig. 1, the inside of dropping funnel 4 is equipped with suspension ball 5, the soft cover has been cup jointed to the outside of suspension ball 5, soft cover is the component of an EVA material, when there is a certain amount of liquid medicine in dropping funnel 4, the buoyancy of suspension ball 5 is greater than gravity, it can not block up transfer line 1, the sustainable flow of liquid medicine is in transfer line 1, when the liquid medicine in dropping funnel 4 is less, the gravity of suspension ball 5 is greater than buoyancy, transfer line 1 is plugged up after its whereabouts to avoid the emergence of blood return phenomenon.

In fig. 2, the anti-slip pad 14 is arranged inside the clamping block 13, the anti-slip pad 14 is a rubber component, the anti-slip pad 14 can prevent the infusion tube from sliding in the clamping block 13, and meanwhile, certain flexibility is enhanced, so that the infusion tube cannot be damaged.

In fig. 2, the lengths of the first lead screw 9 and the second lead screw 10 are half of the length of the adjusting sleeve 11, the screw threads of the first lead screw 9 and the second lead screw 10 are opposite, two sections of internal screw threads respectively matched with the screw threads of the first lead screw 9 and the second lead screw 10 are arranged inside the adjusting sleeve 11, in order to prevent the infusion tube 1 from being too long and easily scratched and causing injury to a patient, the infusion tube 1 can sequentially pass through the clamping block 13 to relatively shorten the length of the infusion tube 1, in addition, the distance between the two adjusting plates 8 can be increased to further shorten the relative length of the infusion tube 1, the adjusting sleeve 11 needs to be forwardly screwed and rotated, then the second lead screw 10 can gradually extend out of the adjusting sleeve 11, and if the relative length of the infusion tube 1 does not need to be excessively shortened, the adjusting sleeve 11 can be reversely screwed and rotated, and the distance between the two adjusting plates 8 can be shortened.

In fig. 2, the surface of the fixing column 7 is fixed with a telescopic rod at the lower section position, one end of the telescopic rod is fixedly connected with the adjusting plate 8, the adjusting sleeve 11 is screwed, the second screw rod 10 stretches, and meanwhile, the telescopic rod can drive the adjusting plate 8 to move, so that the stability of the adjusting plate 8 is enhanced.

The utility model discloses a theory of operation is: in the infusion process, for avoiding the transfer line 1 overlength, scratch easily, and cause the injury to the patient, can pass clamp splice 13 with transfer line 1 in proper order, shorten the length of transfer line 1 relatively, in addition, still can increase the interval of two regulating plates 8, further shorten the relative length of transfer line 1, need forward to twist and change adjusting sleeve 11, then second lead screw 10 can extend adjusting sleeve 11 gradually, if need not shorten the relative length of transfer line 1 excessively, can reverse twist and change adjusting sleeve 11, it can to reduce the interval of two regulating plates 8.

After the nurse pricks the needle 20 into the vein of the patient, the needle needs to be fixed, and at this time, the adhesive tape film 19 can be directly torn off, and the adhesive tape 18 is attached to the back of the hand of the patient, so that the operation is more convenient and faster.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An infusion apparatus structure for preventing blood return comprises an infusion tube (1) and is characterized in that the top end of the infusion tube (1) is connected with a puncture head (2), and a dropping funnel (4) is arranged at the position of the outside of the transfusion tube (1) below the puncture head (2), a flow regulator (6) is sleeved at the position of the outside of the infusion tube (1) below the dropping funnel (4), and an exhaust valve (15) is arranged on the surface of the transfusion tube (1) at the position below the flow regulator (6), a needle head (20) is fixed at the tail end of the infusion tube (1), an air inlet tube (3) is connected at one side position of the surface of the puncture head (2), a pipeline arranging mechanism is arranged between the flow regulator (6) and the exhaust valve (15), and a fixing mechanism is arranged between the exhaust valve (15) and the needle head (20); pipeline arrangement mechanism includes fixed column (7), the surface symmetry of fixed column (7) is fixed with first lead screw (9), the one end of first lead screw (9) is provided with second lead screw (10), and links to each other through adjusting collar (11) between first lead screw (9) and second lead screw (10), the one end of second lead screw (10) is connected with regulating plate (8), the surface fixation of regulating plate (8) has two fixed blocks (12), the one end of fixed block (12) is connected with clamp splice (13).

2. The infusion apparatus structure for preventing blood return according to claim 1, wherein the fixing mechanism comprises a connecting sleeve (16) sleeved outside the infusion tube (1), one end of the connecting sleeve (16) is connected with a fixing band (17), the rear surface of the fixing band (17) is provided with an adhesive tape (18), and an adhesive tape film (19) is bonded on the rear surface of the adhesive tape (18).

3. The infusion apparatus structure for preventing blood return according to claim 1, wherein a suspension ball (5) is arranged inside the dropping funnel (4), and a soft sleeve is sleeved outside the suspension ball (5), wherein the soft sleeve is an EVA component.

4. The infusion set structure for preventing blood return according to claim 1, wherein a non-slip pad (14) is arranged inside the clamping block (13), and the non-slip pad (14) is a rubber component.

5. The infusion set structure for preventing blood return according to claim 2, wherein the lengths of the first lead screw (9) and the second lead screw (10) are both half of the length of the adjusting sleeve (11), the threads of the first lead screw (9) and the second lead screw (10) are opposite in direction, and two sections of internal threads which are respectively matched with the threads of the first lead screw (9) and the second lead screw (10) are arranged inside the adjusting sleeve (11).

6. The infusion apparatus structure for preventing blood return according to claim 2, wherein a telescopic rod is fixed on the surface of the fixed column (7) at the lower section position, and one end of the telescopic rod is fixedly connected with the adjusting plate (8).