CN214018778U

CN214018778U - Infusion alarm capable of automatically cutting off infusion path

Info

Publication number: CN214018778U
Application number: CN202022194837.8U
Authority: CN
Inventors: 史静
Original assignee: Affiliated Childrens Hospital of Soochow University
Current assignee: Affiliated Childrens Hospital of Soochow University
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-08-24
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a transfusion alarm for automatically cutting off a transfusion passage, which comprises a positioning clamp clamped on a transfusion dropper, wherein a clamp opening for the transfusion dropper to be clamped in is arranged on the positioning clamp; the positioning clamp is internally provided with a power supply, a detection circuit and an alarm cut-off circuit, the detection circuit comprises the power supply, a photosensitive assembly and a switch which are sequentially connected in series, the photosensitive assembly comprises a light source, a photosensitive resistor and a coil of a relay, the photosensitive resistor is connected in series with the coil of the relay and then connected in parallel with the light source, the alarm cut-off circuit comprises the power supply, a reed of the relay, an alarm, a wireless signal transmitter and a driving motor which are sequentially connected in series, and the driving motor is arranged on the positioning clamp; the light source and the photoresistor are positioned on the inner surface of the clamping opening and symmetrically arranged on two sides of the infusion dropper; the driving motor drives a cut-off rod to cut off the transfusion dropper. The utility model discloses can send the warning and the automatic shutoff infusion route when the infusion is accomplished, avoid the series problem that arouses because of the infusion strip drips the sky.

Description

Infusion alarm capable of automatically cutting off infusion path

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to automatic turn-off infusion alarm of infusion route.

Background

The infusion alarm is designed for blind people, intensive care, solitary old people, patients who are inconvenient to move, and patients who are infused for a long time or lie in bed according to the rule of repeated dressing change during infusion, and is an electronic device for monitoring infusion and infusion drip empty prompt. The device consists of a single chip microcomputer, an induction clamp, a manual control switch and a buzzer, and partial devices can display the infusion speed and the heating function. Also can be connected at intensive care therapy induction system, improve nursing efficiency, reduce the cost of labor. The infusion progress of the patient is obtained through the sensor, real-time induction and monitoring in the infusion process are achieved, then forwarding of signals is achieved through the intelligent controller, and finally infusion progress and empty alarm information are displayed at the nurse station terminal.

Because current infusion alarm only possesses alarming function, consequently, can send the warning after the infusion is accomplished and remind the nurse to handle, but sometimes the nurse can not arrive the scene the very first time, especially at night, because the person of infusing falls asleep or medical personnel are not at nurse station scheduling reason, the unable very first time of warning transmits nurse department, leads to the infusion strip to drip empty to arouse the air embolism, endanger the life, or arouse the transfusion needle blood return, the long time can arouse the coagulation of blood in the transfusion needle, thereby arouse the thrombus.

Therefore, how to solve the above problems is one of the directions studied by those skilled in the art.

Disclosure of Invention

The invention aims to provide an infusion alarm capable of automatically cutting off an infusion path, which can give an alarm and automatically cut off the infusion path when infusion is completed, thereby avoiding series problems caused by the empty dripping of an infusion strip.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: an infusion alarm for automatically shutting off an infusion path comprises a positioning clamp clamped on an infusion dropper, wherein a clamp opening for clamping the infusion dropper is formed in the positioning clamp;

the positioning clamp is internally provided with a power supply, a detection circuit and an alarm cut-off circuit, the detection circuit comprises a power supply, a photosensitive assembly and a switch which are sequentially connected in series, the photosensitive assembly comprises a light source, a photosensitive resistor and a coil of a relay, the photosensitive resistor is connected in series with the coil of the relay and then connected in parallel with the light source, the alarm cut-off circuit comprises the power supply, a reed of the relay, an alarm, a wireless signal emitter and a driving motor which are sequentially connected in series, and the driving motor is arranged on the positioning clamp;

the light source and the photoresistor are positioned on the inner surface of the clamping opening and symmetrically arranged on two sides of the infusion dropper;

the driving motor drives a cut-off rod to cut off the transfusion dropper.

In the technical scheme, the caliber of the clamp opening is smaller than the outer diameter of the infusion dropper, a sub-clamp opening is detachably arranged in the clamp opening, and the caliber of the sub-clamp opening is smaller than the outer diameter of the infusion hose.

In the technical scheme, the inner surfaces of the clamp opening and the sub-clamp opening are both provided with anti-skid rubber pads.

In the technical scheme, the power supply is a lithium battery arranged in the positioning clamp.

In the technical scheme, a charging interface for charging the lithium battery is arranged on the positioning clamp.

In the technical scheme, the nursing system further comprises a wireless signal receiver in communication connection with the wireless signal transmitter, and the wireless signal receiver is arranged at the nurse station.

In the technical scheme, the positioning clamp is provided with a through hole on one side of the clamping opening, the intercepting rod is arranged in the through hole in a sliding and penetrating mode, a rack is arranged on the lower surface of the intercepting rod, a driving gear is arranged on a motor shaft of the driving motor, and the driving gear is meshed with the rack.

In the technical scheme, a pair of guide strips is symmetrically arranged on the inner walls of the two sides of the through hole, a pair of guide grooves is symmetrically arranged on the outer walls of the two sides of the intercepting rod, and the guide strips are embedded in the guide grooves in a matching manner.

In the technical scheme, a rubber buffer head is arranged at the inner end part of the intercepting rod.

In the technical scheme, the inner wall of the positioning clamp, which is opposite to one side of the through hole, is provided with the positioning hole, the aperture of the positioning hole is larger than the outer diameter of the rubber buffering head, and the positioning hole is positioned on the sliding path of the cut-off rod.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. the utility model can send out alarm and automatically cut off the transfusion passage when the transfusion is finished by arranging the cut-off rod driven by the alarm and the driving motor, thereby avoiding the series problems caused by the dropping of the transfusion strip;

2. the utility model discloses still be provided with wireless transmitter, it can establish communication connection with the wireless receiver who sets up at the nurse station, in time sends alarm signal for the nurse station when the infusion is accomplished, reminds the nurse in time to handle.

Drawings

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

Fig. 2 is a longitudinal sectional view of a first embodiment of the present invention.

Fig. 3 is a schematic structural view of a closure rod and a through hole according to a first embodiment of the present invention.

Fig. 4 is a schematic circuit diagram according to a first embodiment of the present invention.

Wherein: 1. positioning clips; 2. clamping the opening; 3. a power source; 4. a switch; 5. a light source; 6. a photoresistor; 7. a coil of a relay; 8. a reed of the relay; 9. an alarm; 10. a wireless signal transmitter; 11. a drive motor; 12. a closure bar; 13. a wireless signal receiver; 14. a through hole; 15. a rack; 16. a drive gear; 17. a guide strip; 18. a guide groove; 19. a rubber cushion head; 20. and (7) positioning the holes.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

the first embodiment is as follows:

referring to fig. 1 to 4, an infusion alarm for automatically shutting off an infusion path comprises a positioning clamp 1 clamped on an infusion dropper, wherein a clamp opening 2 for the infusion dropper to be clamped in is arranged on the positioning clamp; the positioning clamp is closed through a return spring arranged at one end of the positioning clamp;

the positioning clamp is internally provided with a power supply 3, a detection circuit and an alarm cut-off circuit, the detection circuit comprises a power supply, a photosensitive assembly and a switch 4 which are sequentially connected in series, the photosensitive assembly comprises a light source 5, a photosensitive resistor 6 and a coil 7 of a relay, the photosensitive resistor is connected in series with the coil of the relay and then connected in parallel with the light source, the alarm cut-off circuit comprises a power supply, a reed 8 of the relay, an alarm 9, a wireless signal transmitter 10 and a driving motor 11 which are sequentially connected in series, the driving motor is arranged on the positioning clamp, and the power supply is a common power supply;

the driving motor drives a cut-off rod 12 to cut off the transfusion dropper.

In this embodiment, the caliber of the clamp opening is smaller than the outer diameter of the infusion dropper, a sub-clamp opening is detachably arranged in the clamp opening, and the caliber of the sub-clamp opening is smaller than the outer diameter of the infusion hose. The caliber of the clamp opening is slightly smaller than the outer diameter of the infusion dropper, and the caliber of the sub-clamp opening is slightly smaller than the outer diameter of the infusion hose. The sub-clamping opening can be formed by splicing a first sub-clamping block and a second sub-clamping block, an insertion hole is formed in the inner wall of the clamping opening, plugs are arranged on the outer walls of the first sub-clamping block and the second sub-clamping block, and the first sub-clamping block and the second sub-clamping block are inserted into the insertion hole through the plugs to complete installation.

In the embodiment, the anti-slip rubber pads are arranged on the inner surfaces of the clamp opening and the sub-clamp opening, so that the positioning clamp can be effectively prevented from sliding on the infusion hose or the infusion dropper.

In this embodiment, the power is the lithium cell of placing the locating clip in, can realize this alarm device's portable use.

Specifically, be provided with the interface that charges for lithium battery charging on the locating clip, conveniently charge for the lithium battery.

In this embodiment, the nursing system further includes a wireless signal receiver 13 in communication connection with the wireless signal transmitter, the wireless signal receiver is disposed at the nurse station, and can be integrated with an alarm of the nurse station for use. Specifically, the wireless signal transmitter and the wireless signal receiver may be two sub-modules of a bluetooth module.

In this embodiment, the locating clip is last to be located the through-hole 14 that presss from both sides a mouthful one side, the pole that dams slides and wears to establish in the through-hole, be provided with rack 15 on the lower surface of pole that dams, be provided with drive gear 16 on driving motor's the motor shaft, drive gear and rack toothing, driving motor drives through drive gear drive rack and dams the pole and to the inboard slip of the clamp mouth of locating clip to pressing from both sides the infusion hose tightly to supporting on the inner wall of pressing from both sides a mouthful opposite side. Similarly, a through hole is also formed in one side of the sub-clamp opening, and the cut-off rod can penetrate through the through hole.

Specifically, the symmetry is provided with a pair of gib block 17 on the both sides inner wall of through-hole, the symmetry is provided with a pair of guide way 18 on the both sides outer wall of pole that dams, the gib block cooperation is inlayed and is established in the guide way, through the cooperation of gib block and guide way, can make the straight slip of pole that dams to infusion hose, prevents to dam the pole because of taking place the deflection and can not compress tightly infusion hose and then lead to damming the condition emergence of failure at the slip in-process.

In this embodiment, the rubber buffer head 19 is arranged at the inner end of the intercepting rod, so that the friction force between the intercepting rod and the infusion hose can be increased, the sliding is prevented, and the effective intercepting is ensured.

In this embodiment, be provided with locating hole 20 on the inner wall relative to through-hole one side on the locating clip, the aperture of locating hole is greater than the external diameter of rubber buffer head, the locating hole is located the slip path of damming pole, for further guaranteeing effectively to damming, can also set up on the upper wall and the lower wall of locating hole and go into the draw-in groove with the infusion hose card.

The utility model discloses when using, will press from both sides the mouth and press from both sides tight and fix on the infusion burette, open the switch, at this moment, photo resistance and light source are in the corresponding position in infusion hose both sides, closed switch, and the circuit switches on, and the light that the light source sent shines on the photo resistance through the liquid in the infusion hose. When liquid is in the infusion dropper, the light intensity passing through the infusion hose is small, the photoresistor is in a high resistance state, the current passing through the coil of the relay is weak, the magnetic force is small, the reed cannot be closed, and the wireless signal emitter, the alarm and the driving motor are in a closed state; when no liquid medicine exists in the infusion dropper, the light intensity of the infusion dropper is high, the photoresistor is in a low resistance state, the coil current of the relay is strong, the magnetic force is high, the reed is connected, and the alarm gives an alarm sound; meanwhile, the wireless signal transmitter is triggered to send a signal, the signal receiving alarm also sends an alarm sound after receiving the signal sent by the wireless signal transmitter, so that a patient and a nurse are reminded to take measures in time, the driving motor drives the intercepting rod to slide towards the inner side of the clamping opening of the positioning clamp to tightly abut against the input dropper, interception is realized, series problems caused by the fact that the infusion strip is empty are prevented, and the driving motor continuously provides torque force for abutting the intercepting rod against the infusion dropper at the moment; when the cut-off is needed to be cancelled, the switch is only needed to be closed, the driving motor stops providing the torque force for supporting the cut-off rod to the infusion dropper due to the power failure, and the outer end part of the cut-off rod is pinched and pulled outwards. The utility model discloses there is another kind of using-way in addition, namely, install first sub clamp splice and second sub clamp splice and form sub clamp mouth in pressing from both sides the mouth, at this moment, fix sub clamp mouth on infusion hose, its principle is the same with the above-mentioned principle of fixing on infusion burette.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An infusion alarm for automatically shutting off an infusion path is characterized in that: the infusion dropper clamp comprises a positioning clamp clamped on an infusion dropper, wherein a clamp opening for clamping the infusion dropper is formed in the positioning clamp;

the driving motor drives a cut-off rod to cut off the transfusion dropper.

2. An infusion alarm for automatically shutting off an infusion path as claimed in claim 1, wherein: the caliber of the clamp opening is smaller than the outer diameter of the infusion dropper, a sub-clamp opening is detachably arranged in the clamp opening, and the caliber of the sub-clamp opening is smaller than the outer diameter of the infusion hose.

3. An infusion alarm for automatically shutting off an infusion path as claimed in claim 2, wherein: and anti-skid rubber pads are arranged on the inner surfaces of the clamp opening and the sub-clamp opening.

4. An infusion alarm for automatically shutting off an infusion path as claimed in claim 1, wherein: the power supply is a lithium battery arranged in the positioning clamp.

5. An infusion alarm for automatically shutting off an infusion path as claimed in claim 4, wherein: the positioning clamp is provided with a charging interface for charging the lithium battery.

6. An infusion alarm for automatically shutting off an infusion path as claimed in claim 1, wherein: the nursing bed further comprises a wireless signal receiver which is in communication connection with the wireless signal transmitter, and the wireless signal receiver is arranged at the nursing station.

7. An infusion alarm for automatically shutting off an infusion path as claimed in claim 1, wherein: the positioning clamp is provided with a through hole on one side of the clamping opening, the intercepting rod is arranged in the through hole in a sliding and penetrating mode, a rack is arranged on the lower surface of the intercepting rod, a driving gear is arranged on a motor shaft of the driving motor, and the driving gear is meshed with the rack.

8. An infusion alarm for automatically shutting off an infusion path as claimed in claim 7, wherein: the novel intercepting rod is characterized in that a pair of guide strips are symmetrically arranged on the inner walls of the two sides of the through hole, a pair of guide grooves are symmetrically arranged on the outer walls of the two sides of the intercepting rod, and the guide strips are embedded in the guide grooves in a matched mode.

9. An infusion alarm for automatically shutting off an infusion path as claimed in claim 7, wherein: and a rubber buffer head is arranged at the inner end part of the intercepting rod.

10. An infusion alarm for automatically shutting off an infusion path as claimed in claim 9, wherein: the inner wall of the positioning clamp, which is opposite to one side of the through hole, is provided with a positioning hole, the aperture of the positioning hole is larger than the outer diameter of the rubber buffering head, and the positioning hole is positioned on the sliding path of the intercepting rod.