CN210644757U

CN210644757U - Infusion apparatus flow velocity detection device

Info

Publication number: CN210644757U
Application number: CN201920997007.3U
Authority: CN
Inventors: 刘明; 黄庆丰; 梁伟斌; 黎潇泽; 冯伟强; 周雄英; 申智; 黄秀兰; 刘耘昊; 徐尉格; 宁文龙
Original assignee: First Affiliated Hospital of Guangxi Medical University
Current assignee: First Affiliated Hospital of Guangxi Medical University
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-06-02
Anticipated expiration: 2029-06-28

Abstract

The utility model provides a speed measuring device of an infusion apparatus, which comprises a measuring seat sleeve, a measuring cylinder, a sheath, an inductor, a timer and a control switch, wherein the side wall of the measuring cylinder is a transparent wall body; the measuring cylinder is provided with a sheath in an upward protruding manner, and the sheath is sleeved on the injection needle of the infusion apparatus; the measuring cylinder can be sleeved in the measuring seat sleeve; the measuring seat sleeve is provided with an inductor, when the measuring cylinder is sleeved in the measuring seat sleeve, the inductor can monitor the liquid level of the liquid medicine entering the measuring cylinder, and the timer is used for timing the arrival time of each liquid level of the liquid medicine entering the measuring cylinder; the control switch is used for controlling the on-off of a pipeline of an infusion tube of the infusion set, which is positioned below the flow rate regulator. The utility model discloses a sheath can protect the syringe needle of transfusion system to in the guide liquid medicine enters into the graduated flask, the velocity of flow that the time of liquid level and the time-recorder statistics that again detects according to the inductor obtained the transfusion system, it detects more conveniently, and can improve the accuracy that the velocity of flow detected.

Description

Infusion apparatus flow velocity detection device

Technical Field

The utility model relates to the field of medical equipment, in particular to transfusion system velocity of flow detection device.

Background

The infusion apparatus is a common medical consumable, and is used for intravenous infusion by establishing a channel between a vein and liquid medicine through aseptic treatment. As shown in fig. 1 and 2, the infusion set 1 is generally composed of an infusion tube 11, a drip cup 12, a flow rate regulator 13, a bottle stopper puncture outfit 14, an injection needle 15, an air filter and the like which are connected. When the infusion is carried out through the infusion apparatus, the medical staff sometimes needs to adjust the infusion speed according to different conditions of patients and different requirements of types of liquid medicines, and the mode of adjusting the infusion speed is that the medical staff observes the number of drops of the liquid medicines entering the drip cup per minute through eyes, so that the infusion speed is estimated. When the medical staff adjusts the infusion speed in this way, not only the number of drops needs to be observed and counted, but also the time needs to be observed, which is very troublesome and easy to make mistakes. In addition, because the size of the liquid drops entering the drip cup is often different, there is a large error in estimating the infusion speed by only the number of the liquid drops.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an infusion set velocity of flow detection device to overcome the shortcoming that the mode of the infusion speed of current regulation infusion set is very troublesome, make mistakes easily and have great error.

In order to achieve the purpose, the utility model provides a speed measuring device of an infusion apparatus, which comprises a measuring seat cover, a measuring cylinder, a sheath, an inductor, a timer and a control switch, wherein the side wall of the measuring cylinder is a transparent wall body; the measuring cylinder is provided with the sheath in an upward protruding manner, and the sheath is sleeved on the injection needle of the infusion apparatus; the measuring cylinder can be sleeved in the measuring seat sleeve; the measuring seat sleeve is provided with the sensor, when the measuring cylinder is sleeved in the measuring seat sleeve, the sensor can monitor the liquid level of the liquid medicine entering the measuring cylinder, and the timer is used for timing the arrival time of each liquid level of the liquid medicine entering the measuring cylinder; the control switch is used for controlling the on-off of a pipeline of an infusion tube of the infusion apparatus, which is positioned below the flow rate regulator.

Preferably, in the above technical solution, the measuring seat cover is provided with a cover body, the cover body is provided with a screw hole, and the measuring cylinder is engaged with the screw hole through an external thread.

Preferably, in the above technical solution, the measuring cylinder is provided with a positioning step at an upper end of the external thread.

Preferably, in the above technical solution, the side wall of the measuring seat cover is also a transparent wall, and the sensor includes a plurality of pairs of infrared sensors that are equidistantly disposed from bottom to top on the side wall of the measuring seat cover.

Preferably, in the above technical scheme, the control switch includes a bracket, a U-shaped seat, a push rod, and a push rod power device, the lower end of the bracket is fixed on the measuring seat sleeve, the U-shaped seat is disposed at the upper end of the bracket, the push rod is slidably disposed on one side arm of the U-shaped seat, and the push rod power device is configured to drive the push rod to slide, so that the push rod can be close to or far away from the other side arm of the U-shaped seat.

Preferably, in the above technical solution, the sensor, the timer and the control switch are all connected to a controller; when the controller controls the control switch to be turned on, the timer is controlled to time at the same time; when the sensor monitors that the liquid level of the liquid medicine entering the measuring cylinder reaches a preset liquid level, the controller controls the timer to stop timing, and controls the control switch to be turned off at the same time.

Preferably, in the above technical solution, the controller is of the type EM78P447 NBPJ.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the sheath and the graduated cylinder of the utility model can be disposable, and after the sheath is sleeved on the injection needle of the infusion apparatus, the sheath and the graduated cylinder are packaged together with the infusion apparatus. When needing to test the speed, the packing of pulling down, link together transfusion system and medicine bottle, establish the graduated flask cover in measuring the seat cover again, open the velocity of flow regulator of transfusion system, the liquid medicine just circulates in the transfusion tube, the sheath can protect syringe needle, and guide the liquid medicine and enter into the graduated flask in, the velocity of flow that obtains the transfusion system according to the liquid level that the inductor detected and the time of time-recorder statistics again, the velocity of flow when liquid medicine reachs a liquid level of graduated flask is not conform to the requirement, just change infusion speed through velocity of flow regulator, and once more test the speed. After the transfusion speed meets the requirement, the control switch closes the transfusion tube, the medical staff inserts the injection needle into the blood vessel of the patient, and then the control switch opens the transfusion tube to realize transfusion according to the specified flow rate. The utility model discloses a detection ratio is more convenient, and can improve the accuracy that the velocity of flow detected.

2. The utility model discloses a graduated flask is provided with the location step to can fix a position the graduated flask fast when establishing the measuring seat cover to the graduated flask cover, make the inductor correspond with each preset liquid level of graduated flask, thereby guarantee measuring accuracy.

3. The control switch of the utility model controls the on-off of the infusion tube through the push rod and the other side arm of the U-shaped seat, and has simple structure and convenient use.

4. The utility model discloses an inductor, time-recorder and control switch are connected with the controller to can be through the process of testing the speed of controller automatic control, make the process of testing the speed more convenient and quick.

Drawings

Fig. 1 is a schematic structural diagram of the flow velocity detection device of the infusion apparatus according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Description of the main reference numerals:

1-infusion apparatus: 11-infusion tube, 12-drip cup, 13-flow rate regulator, 14-bottle stopper puncture outfit, 15-injection needle; 2-speed measuring device: 21-measuring seat sleeve, 22-measuring cylinder, 23-sheath, 24-infrared sensor, 25-controller, 26-bracket, 27-U-shaped seat, 28-push rod and 29-positioning step.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Fig. 1 to 2 show a schematic structural diagram of an infusion apparatus flow velocity detection device according to a preferred embodiment of the present invention, the infusion apparatus flow velocity detection device includes a measuring seat 21, a measuring cylinder 22, a sheath 23, an inductor 24, a timer and a control switch, a side wall of the measuring cylinder 22 is a transparent wall, the measuring cylinder 22 is provided with a sheath 23 protruding upwards, and the measuring cylinder 22 and the sheath 23 can be integrally formed. The sheath 23 is sleeved on the injection needle 15 of the infusion apparatus 1, the sheath 23 and the graduated cylinder 22 can be packaged together with the infusion apparatus 1, so that the injection needle 15 is protected by the sheath 23, the sheath 23 and the graduated cylinder 22 are disposable articles as the infusion apparatus 1, and the disposable articles need to be discarded and treated after the speed measurement is completed.

Continuing to refer to fig. 1 and 2, the measuring cylinder 22 can be sleeved in the measuring seat sleeve 21, and when the infusion tube 11 is unpacked and connected with the medicine bottle through the bottle stopper puncture outfit 14, the measuring cylinder 22 is sleeved in the measuring seat sleeve 21 when speed measurement is needed. The measuring seat cover 21 may be a cover body with an open upper end. Preferably, the measuring sleeve 21 is provided with a cover body provided with a screw hole, and the measuring cylinder 22 is engaged with the screw hole through an external thread, so that the measuring cylinder 22 can be stably installed in the measuring sleeve 21 to measure the level of the liquid medicine entering the measuring cylinder 22. It is further preferred that the measuring cylinder 22 is provided with a positioning step 29 at the upper end of the external thread, and when the measuring cylinder 22 is sleeved into the measuring seat sleeve 21 until the positioning step 29 abuts against the cover body of the measuring seat sleeve 21, the measuring cylinder 22 is installed in place. Measure the seat cover 21 and be provided with the inductor, after establishing measuring cylinder 22 cover in measuring the seat cover 21, the liquid level of the liquid medicine that enters into measuring cylinder 22 can be monitored to the inductor, generally falls into a plurality of liquid levels of predetermineeing to the volume of measuring cylinder 22, and liquid medicine in the measuring cylinder 22 reaches a predetermined liquid level and all can be detected out by the inductor. Preferably, the side wall of the measuring sleeve 21 is also a transparent wall, and the sensor includes a plurality of pairs of infrared sensors 24 disposed on the side wall of the measuring sleeve 21 at equal intervals from bottom to top, each pair of infrared sensors 24 corresponding to a preset liquid level on one measuring cylinder 22. The liquid level difference between two adjacent pairs of infrared sensors 24 above and below can be 1-3 ml. The measuring cylinder 22 is provided with a positioning step 29, so that when the measuring cylinder 22 is sleeved on the measuring seat sleeve 21, the measuring cylinder 22 can be quickly positioned, the sensors correspond to the liquid levels of the measuring cylinder 22, and the measuring accuracy is guaranteed.

As shown in fig. 1 and 2, the timer is used to count the arrival time of each liquid level of the drug solution entering the measuring cylinder 22, and the volume of the drug solution received by the measuring cylinder 22 is known from the liquid level, and the time counted by the timer is combined to obtain the infusion rate. The control switch is used for controlling the on-off of the pipeline of the infusion tube 11 of the infusion set 1 below the flow-rate regulator 13. Whenever the liquid medicine entering the measuring cylinder 22 reaches a preset level, the control switch disconnects the pipeline of the infusion tube 11 below the flow rate regulator 13, and the opening degree of the flow rate regulator is kept unchanged. Further preferably, the control switch comprises a bracket 26, a U-shaped seat 27, a push rod 28 and a push rod power device, wherein the lower end of the bracket 26 is fixed on the measuring seat cover 21, the U-shaped seat 27 is arranged at the upper end of the bracket 26, and the opening of the U-shaped seat 27 is formed by oppositely distributing two side arms. A push rod 28 is slidably disposed on one side arm of the U-shaped seat 27, and a push rod power device is used for driving the push rod 28 to slide so that the push rod 28 can move close to or away from the other side arm of the U-shaped seat 27. The push rod power device can be an electric push rod or a hydraulic push rod and the like. The tube of the infusion tube 11 of the infusion apparatus 1 positioned below the adjusting switch 13 is clamped in the U-shaped seat 27, the push rod 28 moves towards the other side arm to clamp the tube of the infusion tube 11, so that the liquid medicine can not flow any more, and the push rod 28 moves away from the other side arm to loosen the tube of the infusion tube 11, so that the liquid medicine can flow again. The control switch of the utility model controls the on-off of the transfusion tube 14 through the push rod 28 and the other side arm of the U-shaped seat 27, and has simple structure and convenient use. The control switch may also be a motorized jaw or an electromagnetic switch disposed directly on the tubing of the infusion tube 11 below the adjustment switch 13.

The sheath 23 and the graduated cylinder 22 of the utility model can be disposable, after the sheath 23 is sleeved on the injection needle 15 of the infusion apparatus 1, the sheath 23 and the graduated cylinder 22 are packaged together with the infusion apparatus 1. When needing to test the speed, link together transfusion system 1 and medicine bottle, establish graduated flask 22 cover in measuring seat cover 21 again, open transfusion system 1's velocity of flow regulator 13, the liquid medicine just circulates in transfer line 11, sheath 23 can protect syringe needle 15, syringe needle 15 is polluted when avoiding testing the speed, and sheath 23 guide liquid medicine enters into graduated flask 22 in, the velocity of flow of transfusion system 1 is calculated out according to the liquid level that the inductor detected and the time of time meter statistics again, also can calculate the required time of arriving preset liquid level according to required velocity of flow, compare required time and the time that the time meter statistics obtained. When the speed of the liquid medicine reaching a preset liquid level is not satisfactory, the transfusion speed is changed through the flow speed regulator 13, the speed is measured again, and the time when the liquid medicine in the cylinder 22 reaches the next preset liquid level is counted again by the timer. Through repeated adjustment and detection, after the infusion speed of the infusion apparatus 1 meets the requirement, the infusion tube 11 is closed by the control switch, the opening degree of the flow rate regulator 13 is unchanged, the medical personnel inserts the injection needle 15 into the blood vessel of the patient, and then the infusion tube 11 is opened by the control switch, and the infusion speed is unchanged because the opening degree of the flow rate regulator 13 is unchanged, so that the infusion is carried out at a proper flow rate. The utility model discloses a detection ratio is more convenient, and can improve the accuracy that tests the speed.

Continuing to show as fig. 1 and fig. 2, the present invention further provides that the sensor, the timer and the control switch are all connected to a controller 25, and when the controller 25 opens the control switch, the timer is enabled to time; when the sensor detects that the liquid level of the liquid medicine entering the measuring cylinder 22 reaches a preset liquid level, the controller 25 stops the timer and turns off the control switch, so that the timer and the control switch keep synchronous operation. The controller 25 can also directly calculate the infusion rate based on the data from the timer and the sensor and display the infusion rate on a display. Preferably, controller 25 is of the type EM78P447 NBPJ. The utility model discloses an inductor, time-recorder and control switch are connected with controller 25 to can be through the process of testing the speed of 25 automatic control of controller, make the process of testing the speed more convenient and quick.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A speed measuring device of an infusion apparatus is characterized by comprising a measuring seat sleeve, a measuring cylinder, a sheath, an inductor, a timer and a control switch, wherein the side wall of the measuring cylinder is a transparent wall body; the measuring cylinder is provided with the sheath in an upward protruding manner, and the sheath is sleeved on the injection needle of the infusion apparatus; the measuring cylinder can be sleeved in the measuring seat sleeve; the measuring seat sleeve is provided with the sensor, when the measuring cylinder is sleeved in the measuring seat sleeve, the sensor can monitor the liquid level of the liquid medicine entering the measuring cylinder, and the timer is used for timing the arrival time of each liquid level of the liquid medicine entering the measuring cylinder; the control switch is used for controlling the on-off of a pipeline of an infusion tube of the infusion apparatus, which is positioned below the flow rate regulator.

2. The speed measuring device of the infusion apparatus according to claim 1, wherein the measuring seat cover is provided with a cover body, the cover body is provided with a screw hole, and the measuring cylinder is engaged with the screw hole through an external thread.

3. The speed measuring device of the infusion set according to claim 2, wherein the measuring cylinder is provided with a positioning step at the upper end of the external thread.

4. The speed measuring device of the infusion set according to claim 1, wherein the side wall of the measuring seat cover is also a transparent wall body, and the sensor comprises a plurality of pairs of infrared sensors which are equidistantly arranged on the side wall of the measuring seat cover from bottom to top.

5. The speed measuring device of the infusion set according to claim 1, wherein the control switch comprises a bracket, a U-shaped seat, a push rod and a push rod power device, the lower end of the bracket is fixed on the measuring seat sleeve, the U-shaped seat is arranged at the upper end of the bracket, the push rod is slidably arranged on one side arm of the U-shaped seat, and the push rod power device is used for driving the push rod to slide so that the push rod can be close to or far away from the other side arm of the U-shaped seat.

6. The speed measuring device of the infusion set according to claim 1, wherein the sensor, the timer and the control switch are all connected with a controller; when the controller controls the control switch to be turned on, the timer is controlled to time at the same time; when the sensor monitors that the liquid level of the liquid medicine entering the measuring cylinder reaches a preset liquid level, the controller controls the timer to stop timing, and controls the control switch to be turned off at the same time.

7. The speed measuring device of the infusion set according to claim 6, wherein the controller is of the type EM78P447 NBPJ.