JP5200843B2 - Liquid dosing device - Google Patents

Description

  The present invention relates to a liquid administration device that infuses a liquid to a human, a liquid administration management system that uses the liquid administration device, and a liquid supply device that infuses a liquid to the outside.

As a liquid supply device for injecting a liquid to the outside, for example, there is a so-called drip device that administers a drug solution filled in an infusion bag to a human or an animal via an infusion tube or an injection needle.
In general, the infusion device hangs an infusion bag on a pole with casters, and pumps the medicinal solution through a drop pump or an infusion tube between the infusion tubes.
In such an infusion device, an attempt has been made to improve it. For example, an infusion bag is hung on a cage in which an animal is placed, and a rotary joint for infusion composed of three members, a needle base member, a rotary member, and a drum member, is provided between the infusion bag, the infusion tube, and the injection needle. In some cases, the infusion tube is prevented from being entangled by the movement of the animal (see, for example, Patent Document 1).
As yet another example, a belt-shaped shoulder that extends in the front-rear direction along the upper surface of the shoulder, and a predetermined extension that extends upward from both front and rear ends of the shoulder and merges with each other at the upper end thereof. Two slope portions made of a material having strength, a hook portion provided on the top of the slope portion for hooking the infusion bag, and a fixing means for fixing the infusion bag support to the body. There has been proposed an infusion bag support that is configured and can fix an infusion bag and a tube to a human body (see, for example, Patent Document 2).
Patent No. 2850115 JP 2003-79722 A

By the way, as a device related to such an infusion, a micro infusion system using a micro pump (liquid feeding pump) manufactured using a MEMS (Micro Electro Mechanical System) technology has been recently proposed.
By this micro infusion system, the pump unit and the sensor unit are integrated in a small size, and by integration with the infusion bag, thereby increasing portability and diversifying the installation location and installation posture, which is extremely suitable. However, as the infusion system becomes more compact, the micro infusion system can be easily installed everywhere.
In particular, when the infusion bag and the tube as described above are fixed to the body and administered from the infusion bag through the infusion tube, there are many problems.
For example, when a person wakes up from a sleeping position, rises, and moves, naturally, the position of the pump changes as the pump becomes slanted due to these posture changes. Infusion performance cannot be obtained.
Further, the flow rate of the infusion is affected by the gravity action due to the change in height between the pump position and the position of the infusion. The same applies to not only the drip injecting such a chemical solution but also a liquid delivery system for discharging and circulating such as a hemodialysis system.

On the other hand, in addition to such medical liquid administration devices, as a liquid supply case, a printer using liquid ink, an image forming device using liquid, an air conditioner or refrigeration device using liquid refrigerant, and a water level Similarly, with regard to the temperature and humidity control device to be controlled, the transport device using fuel and oils and fats, the transport device for automobiles and aircrafts, and the liquid delivery device for equipment devices such as portable fuel cell systems, similarly, the infusion for the attitude change of the equipment device There was a problem of infusion methods for stabilization.
Accordingly, the present invention has been made in view of such a situation, and even if the installation location is changed or the posture is changed, a liquid administration device, a liquid administration management system, An object is to provide a liquid supply apparatus.

In order to achieve the above technical problem, the liquid administration device, the liquid administration management system, and the liquid supply device according to the present invention employ the following technical means.
That is, the liquid administration device according to claim 1 is a liquid administration device for infusion from an infusion bag to a human, the binding unit configured to be detachable from a human, the infusion bag being detachable, and an infusion tube An infusion part for sending out the liquid in the infusion bag, a holding part for holding the infusion part, and the holding part movably supported by the bundling part to maintain the posture of the infusion bag in the vertical direction and a movable portion, the front Symbol movable portion, an attitude sensor for detecting an attitude of the infusion bag, and controls movement so as to maintain a posture of the infusion bag in the vertical direction on the basis of the information detected by the posture sensor And an actuator.

A liquid administration device according to a second aspect is the liquid administration device according to the first aspect , wherein the movable portion can rotate the holding portion in a bending / extending direction of the bending / extending operation or a bending direction of the bending operation in a bending / extending operation or bending operation of a human. It is configured.
Liquid delivery device according to claim 3, in claim 1, wherein the movable portion is in the twisting operation or rotating operation of the human, slidably moving the holding unit in the direction of rotation of the twisting direction or the rotational movement of the twisting operation It is comprised by these.
According to a fourth aspect of the present invention, there is provided the liquid administration device according to the first aspect , wherein the movable portion can rotate the holding portion in a bending / extending direction of the bending / extending operation or a bending direction of the bending operation in a human bending / extending operation or bending operation. and, in the twisting operation or rotating operation of the person, characterized in that the holding portion in the rotational direction of the twisting direction or the rotational movement of the twisting operation is configured to be slidable.

According to a fifth aspect of the present invention , in the liquid administration device according to any one of the first to fourth aspects, the movable part includes a material or an absorption mechanism that absorbs a force acting on the movable part.
The liquid administration device according to claim 6 is the liquid administration device according to any one of claims 1 to 5 , wherein the bundling portion is a plant-derived material, a protein-derived material, a polyester material, any material polyethylene materials or polyethylene terephthalate material, or characterized in that it is composed of a material, optionally in combination.
A liquid administration device according to a seventh aspect of the present invention is the liquid administration device according to any one of the first to sixth aspects, wherein the infusion part is configured in a cartridge type, and the holding part is provided with a clamp that detachably holds the infusion part. It is characterized by being.
The liquid administration device according to an eighth aspect of the present invention is characterized in that, in any one of the first to seventh aspects, the infusion bag is a pressurized balloon type infusion bag.
According to a ninth aspect of the present invention , in the liquid administration device according to any one of the first to eighth aspects, the infusion tube is locked to the infusion section or the holding section.

The liquid administration device according to claim 10 is the liquid infusion pump according to any one of claims 1 to 9 , wherein the infusion part is configured to deliver the liquid in the infusion bag in addition to the infusion bag and the infusion tube. When the Bei example a power supply means for supplying power to the infusion pump, the pre-Symbol power supply means of the holding portion, characterized in that disposed below the disposed position of the infusion bag.
The liquid administration device according to an eleventh aspect is the liquid administration device according to the tenth aspect , wherein the infusion part is provided in a midway part of the infusion route, and a flow rate sensor that detects the flow rate of the liquid and at least a flow rate detected by the flow rate sensor. And a flow rate control unit for controlling the flow rate.
According to a twelfth aspect of the present invention , in the liquid administration device according to the eleventh aspect , the infusion pump and the flow rate sensor are disposed above the position where the infusion bag is disposed in the holding portion.
Vent liquid dispensing device according to claim 13, in claim 11 or 12, wherein the infusion unit, which is provided on and the infusion path downstream in the vicinity of the flow sensor, to discharge the air bubbles in the infusion tube to the outside A port is provided.

According to a fourteenth aspect of the present invention , in the liquid administration device according to the thirteenth aspect , the vent port is provided above the infusion bag.
The liquid dispensing device according to claim 15, in claim 11 or 12, the micro system and the infusion pump and the flow control unit are integrated, or microsystem and the infusion pump and the flow sensor are integrated, Alternatively , it is a micro system in which the flow rate control unit and the flow rate sensor are integrated, or a micro system in which the infusion pump, the flow rate control unit, and the flow rate sensor are integrated.
Liquid dispensing device according to claim 16, wherein the flow sensor according to claim 11, wherein the vent port of claim 13, the micro system according to claim 15, was placed on top of the bag of the infusion bag It is characterized by that.
A liquid administration device according to a seventeenth aspect is the one according to any one of the eleventh to sixteenth aspects, wherein a microphone type pulse sensor, a pressure type blood pressure sensor, a laser type blood flow sensor, a body temperature sensor, a blood oximeter, a blood dissolved concentration Biological information detection sensor including gas sensor, sweat sensor, myoelectric sensor, blood glucose level sensor, ultrasonic diagnostic sensor, or biological environment detection including atmospheric temperature sensor, humidity sensor, gas sensor, heat ray sensor, wind speed sensor, atmospheric pressure sensor The sensor, or the biological information detection sensor and the biological environment detection sensor are provided in the binding portion so as to be engageable with a human.

The liquid administration device according to claim 18 is the liquid administration device according to claim 17 , wherein the biological information detected by the biological information detection sensor, the biological environment information detected by the biological environment detection sensor, the flow rate information detected by the flow sensor, Notification that notifies all, any, or any combination of abnormal state information indicating the abnormal state when each information of the ecological information, the ecological environment information, or the flow rate information indicates an abnormal state It has the part .
A liquid administration device according to claim 19 is the liquid administration device according to claim 17 , wherein the biological information detected by the biological information detection sensor, the biological environment information detected by the biological environment detection sensor, the flow rate information detected by the flow sensor, All or any or any combination of the abnormal state information indicating the abnormal state in the case where each information of the ecological information, the ecological environment information, or the flow rate information indicates an abnormal state, A wireless receiver / transmitter for transmitting information to the host and receiving information from the host is provided .
Liquid dispensing device according to claim 20, in claim 19, wherein the wireless receiver and transmitter device is characterized in that disposed on the upper surface of the bag of the infusion bag.

  According to the present invention, provided between a bundling portion configured to be detachable with respect to a human body or a device main body and a holding portion holding an infusion portion for sending out liquid in an infusion bag or an infusion tank via an infusion tube. Even if the movable part changes the posture and installation location, the posture of the infusion bag or infusion tank can be maintained at the top and bottom, and the state when sending liquid can be made almost constant Therefore, the change in the flow rate of the liquid can be greatly reduced.

Next, embodiments of the present invention will be described with reference to the accompanying drawings.
(Embodiment 1)
As shown in FIG. 1, the liquid administration device A according to the first embodiment is wound around an arbitrary site such as a human neck, arm, abdomen, thigh, knee, ankle, etc. As shown in FIGS. 2 to 4, it is suitable for administration, and includes a binding unit 1, a holding unit 2, a movable unit 3, and an infusion unit 4.
The binding portion 1 is formed in a strip shape from a plant-derived material, a protein-derived material, a polyester material, a polyethylene material or a polyethylene terephthalate material, or a combination of materials, and is raised in a loop shape on one end side. The locked portion 1a is stitched, and a belt-like locking portion 1b that is raised in a hook shape on the other end side and engageable with the locked portion 1a is extended. The locking portion 1b and the locked portion 1a constitute a hook-and-loop fastener and can be attached to and detached from any human part as described above. Since this binding part 1 is a part which contacts human skin, it is suitable to use a non-allergenic material as described above.

The holding part 2 is formed in a rectangular shape with a thin plate-like plastic material that can be elastically deformed flexibly, and clamps 2 a that detachably hold an infusion part 4 to be described later are provided at the four corners on the surface side. The clamp 2a is formed in a triangular shape in a sectional view and a front view so that the top portion extends toward the inside of the holding portion 2 so as to hold and hold the four corners of the infusion bag 41a.
As shown in FIG. 5, the movable portion 3 is fixed to the binding portion 1, and a slide plate 31 provided with a bellows-like slide groove 31 a that is convexly curved toward the winding direction of the binding portion 1, and the slide groove The slide is formed in a disk shape with a required diameter engageable with each convex curved portion of 31a and a serrated support hole 32a, and is engaged with the slide groove 31a so as to be vertically movable at a predetermined pitch. A piece 32, a rotary shaft 33 formed with a serrated shape whose outer peripheral surface can mesh with the support hole 32a, one end inserted through the support hole 32a and the other end fitted into the holding portion 2, and the slide plate 31 A stopper pin 34 inserted so as to project both ends in the middle portion of the rotary shaft 33 positioned between the portion 2 and a slide that can be locked to the surface of the rotary shaft 33 and engageable with the stopper pin 34 Fixed to the surface of the plate 31 It is constituted by a tripod-shaped locking claw 35.
The above-mentioned slide piece 32 is formed so that the back side of the slide plate 31, i.e., the base end, is slightly overhanged so that the slide piece 32 cannot be removed from the slide plate 31. Similarly, the base end of the rotating shaft 33 inserted into the support hole 32a of the slide piece 32 is also formed in a slightly protruding shape so that the rotating shaft 33 cannot be removed from the slide piece 32.

In the movable part 3 configured in this manner, the slide piece 32 slides up and down the slide groove 31a at a predetermined pitch, so that the slide plate 31 fixed to the binding part 1 and the holding part 2 are relatively vertically moved. By moving in the (vertical direction) and the rotation shaft 33 rotating the support holes 32a stepwise at a predetermined pitch, the holding portion 2 fitted with the rotation shaft 33 and the slide piece 32 rotate relatively. At this time, rotation is regulated (rotation angle is regulated to about 180 degrees) by the contact between the locking claw 35 engaged with the rotary shaft 33 and the stopper pin 34.
Further, the length of the slide groove 31a can be considered as the range of the natural action of the body of the arm or leg, so that it is about 1/3 of the circumference of the arm or leg, that is, the angular width is about 120 degrees. The slide length is as follows.
In addition, the rotation operation and the slide operation have a soft mechanism structure in which the infusion part 4 operates so that the center of gravity moves gently and balances, and smoothly stops within a predetermined range so that it does not wobble even with some movement. At the same time, the absorption mechanism absorbs the force acting on the movable part 3. The rotation regulation is set in consideration of the entanglement and length of the infusion tube 41d, and is not limited to the above-described angle.

A modification of the movable part 3 is shown in FIG. Instead of the above-described bellows-like slide groove 31a, a straight slot 36 is formed, and a flexible material 38 such as rubber that absorbs the force acting on the movable portion 3 is adhered to the inner periphery of the slot 36. To do. The slide piece engaged with the elongated hole 36 may be a round bar-shaped member 37 having a required outer diameter enough to bite into the flexible material 38 and also serving as a rotating shaft. Also in this case, the back surface side of the slide plate 31, that is, the base end is formed so as to be able to engage with the slide plate 31 so that the round bar member 37 does not come out of the long hole 36. The opposite tip side is fixed to the holding portion 2.
As described above, the movable part 3 may be a soft mechanism structure that smoothly moves and stops freely so that the infusion part 4 moves slowly and balances, and does not dangle even with some movement. Also, it may be a structure that generates damping of various attenuators such as rubber viscosity by urethane material, friction of sliding surface, oil damper, air damper, magnetic damper, mechatronic damper.

The infusion part 4 includes an infusion bag part 41 and a power supply part 42.
As shown in FIGS. 6 and 7, the infusion bag portion 41 is provided at the center of the bottom surface of the infusion bag 41a so that the medicinal solution can be easily led out even if the amount of the solution in the infusion bag 41a into which the medicinal solution is injected decreases. An infusion pump 41b that pumps out the medicinal solution in the infusion bag 41a, a thermal flow sensor 41c that is provided in the center of the upper surface of the infusion bag 41a and includes a heater and a temperature sensor, and an infusion solution that is connected to the infusion pump 41b. An infusion tube 41d that is lifted upward along the center of the bag 41a and connected to the thermal flow sensor 41c and connected to the vent port 41e and connected to the injection needle 41f, and the thermal flow sensor 41c A vent port 41e (vene) which is provided on the upper surface of the bag of the infusion bag 41a on the downstream side of the adjacent infusion route and discharges the bubbles D in the infusion tube 41d to the outside. And a joint 41g for connecting an infusion tube 41d connected to the vent port 41e to which the infusion needle 41f is connected to connect the infusion path from the infusion bag 41a to the infusion needle 41f. It is configured as a cartridge type.
The infusion part 4 configured as described above is detachably held by the holding part 2 by causing the clamp 2a provided in the holding part 2 to grip the infusion bag part 41.

Here, the thermal flow sensor 41c and the vent port 41e (with a vent valve) described above will be described. As shown in FIG. 7, in the infusion route, the dissolved gas in the infusion and the adsorbed gas on the surface of the member gather due to the pressure and temperature of the infusion, and particularly abrupt changes thereof, to generate bubbles D. Since the bubbles D in the infusion must be removed before the drug solution is injected into the body, it is necessary to discharge the bubbles D through the vent port 41e. The bubbles D have a lower specific gravity than the liquid, so they tend to gather at a high position in the liquid, and the vent port 41e is arranged at a high position so that the infusion tube 41d is always at the top of the infusion part 4 even if the infusion volume in the infusion bag 41a is reduced. The infusion part 4 is held by the holding part 2 so that the posture is arranged from the upper part toward the injection needle 41f, and the holding part 2 has a lower part so that a part having a large specific gravity is lowered by the gravitational action. Is provided with a battery (power supply means).
The vent port 41e exhausts only the bubbles D detected by the thermal type flow sensor 41c, and is therefore arranged at the rear stage of the thermal type flow sensor 41c. Furthermore, since the shape of the bubble D is deformed or split with the progress of liquid feeding, if the thermal flow sensor 41c and the vent port 41e are close to each other, only the detected bubble D is accurately discharged. The vent port 41e is opened only during a period during which the bubbles D detected by the thermal flow sensor 41c are exhausted.

There is a constantly open vent port 41e using a filter, which gives an opportunity for invasion of germs and viruses. In order to exhaust only the necessary opportunity when necessary, it is effective against invasion of germs and viruses by detecting the gas to be exhausted and its amount and opening the vent valve only for the necessary vent amount.
Incidentally, the mechanism for detecting the bubble D by the thermal flow sensor 41c is, for example, the thermal flow sensor 41c. The thermal flow sensor 41c supplies heat from the heater to the fluid, and the heat is detected by the downstream temperature sensor. Since this is the principle of measuring the amount of heat transfer as a flow rate, there is a large difference in specific heat and thermal conductivity between 1 and 2 digits when the fluid is an infusion and when it is a bubble D. In D, since a measured value exceeding the infusion flow rate range is obtained, it can be determined that the bubble D is flowing, and the amount of the bubble D can also be measured.

The modification of the infusion bag part 41 is shown in FIG.10 and FIG.11.
In the above-described example, the thermal flow sensor 41c, the vent port 41e, and the joint 41g are arranged at the center of the upper surface of the infusion bag 41a, and the infusion pump 41b is arranged at the center of the lower surface of the bag of the infusion bag 41a. As shown in FIG. 10, the infusion pump 41b is also arranged at the center of the upper surface of the bag of the infusion bag 41a, or as shown in FIG. 11, the inner bag 41h made of an elastic resin filled with the chemical solution. A pressurized balloon-type infusion bag 41m provided with an outer bag 41k that puts the inner bag 41h and pressurizes the inner bag 41h with gas may be used. In this case, the infusion pump 41b may not be provided, and a flow rate control valve, a cock, a pressure regulator, a vent valve, and the like may be integrated as necessary.
The liquid administration device A needs to be compact so as not to interfere with the wearability and treatment of the liquid administration device A, and in order to prevent the weight of the upper part of the infusion bag 41a from increasing, The downsizing of the components (excluding the infusion bag 41a) is particularly important. It is extremely preferable that the above-described constituent members such as the thermal flow sensor 41c, the vent valve, the infusion pump 41b, and the like be made into a micro system integrated in a micro size manufactured using a MEMS (Micro Electro Mechanical System) technology. .

For example, a micro system in which the infusion pump 41b and the flow rate control unit are integrated, a micro system in which the liquid pump and the thermal type flow sensor 41c are integrated, a micro system in which the flow rate control unit and the thermal type flow sensor 41c are integrated, A micro system in which a liquid pump, a flow rate control unit, and a thermal type flow rate sensor 41c are integrated is exemplified.
The power supply unit 42 includes a battery (power supply means) that supplies power to the infusion pump 41b and the thermal sensor, and a flow rate control unit that controls the infusion pump 41b based on detection by the thermal flow sensor 41c. 2-4, it is fixed to the upper surface of the holding portion 2 below the infusion bag portion 41 so as to be a weight for directing the infusion bag 41a in the vertical direction.
As shown in FIG. 4, the liquid administration device A according to the first embodiment configured as described above has the infusion bag portion 41 attached to the holding portion 2 via the clamp 2 a and the unfolded binding portion 1. For example, it is wrapped around a human arm and fastened with a hook-and-loop fastener. Before and after this, the infusion tube 41d to which the injection needle 41f was connected was connected to the joint 41g, the infusion pump 41b was driven to fill the infusion path with the chemical solution, and then the injection needle 41f was pierced into the arm, and the adhesive tape T The injection needle 41f portion is fixed to the arm. At this time, the holding part 2 and the infusion bag part 41 are curved along the binding part 1 (along a human curve).

And the holding | maintenance part 2 holding the infusion part 4 is attached to the binding part 1 via the movable part 3 which can be slid up and down and rotated up and down even if the arm is bent, and the holding part 2 Since the power supply part 42 fixed to the weight is a weight, the infusion bag 41a rotates and always maintains the posture in the vertical direction as shown in FIG. Further, even when the arm is rotated (twisted), the holding portion 2 is slidable in the vertical direction, so that the infusion bag 41a can be slid and always maintained in the vertical direction.
As described above, the liquid administration device A according to the first embodiment holds the bundling portion 1 configured to be detachable with respect to a human and the infusion portion 4 for sending out the medicinal solution in the infusion bag 41a via the infusion tube 41d. Even if the movable part 3 provided between the parts 2 changes the posture and the installation place, the posture of the infusion bag 41a can always be maintained in the vertical direction, and the state when sending the liquid medicine is almost constant Therefore, the change in the flow rate of the chemical solution can be greatly reduced.
For example, when the liquid administration device A is used for the arm, the posture of the infusion part 4 does not change even if the angle of the arm is changed, so that the arm does not feel the load of the gravity change exerted from the infusion part 4. The force does not cause a blood pressure change to cause an unstable infusion state, and the infusion needle 41f is not pulled out by the entanglement of the infusion tube 41d.

Moreover, in Embodiment 1, each structural member, such as the vent port 41e, the thermal type flow sensor 41c, and the joint 41g, is provided in the center of the upper surface of the bag of the infusion bag portion 41, and the movable portion 3 is arranged in the vertical direction (vertical direction). Although a configuration capable of sliding movement and rotational movement is illustrated, a configuration in which the movable portion 3 can be rotationally moved only by sliding movement in the vertical direction (vertical direction) may be eliminated.
That is, the upper surface of the infusion bag 41a is a flexible material made of a resin film, and the resin film is on the horizontal liquid surface. Therefore, the vent port 41e, the thermal flow sensor 41c, etc. are mounted in a floating state along the upper liquid level of the infusion bag 41a, and the upper surface of the bag of the infusion bag 41a maintains a horizontal state even when the arm is bent. This is because a change in flow rate due to a change in posture of each component member hardly occurs (see FIGS. 12 and 13).
Moreover, although the liquid administration apparatus A concerning Embodiment 1 illustrated the mechanism using the force outside apparatuses, such as gravity, instead of this, for example, the structure suspended horizontally with a rubber | gum or a spring, or an infusion bag Based on information detected by the attitude sensor (a slide sensor, a position sensor that detects a rotational position, a sensor that combines a gyro sensor and an acceleration sensor) that detects the current attitude of 41a, and moves the holding unit 2 Also, an actuator structure that performs control movement so as to maintain the posture of the infusion bag 41a in the vertical direction may be used. In particular, when a gyro sensor and an acceleration sensor are combined, more accurate infusion treatment can be performed by using the posture information for infusion control with respect to fluctuations in the injection pressure at the time of posture change.

If there is no movable part 3 according to the present embodiment, for example, when the arm is turned, the infusion part 4 is rotated, so that the arm feels a load of gravity change exerted from the infusion part 4 and the arm has a force. The blood flow changes, causing an unstable infusion state, or when the arm is placed on the infusion device, the infusion needle 41f may be removed due to blockage or entanglement of the infusion tube 41d.
Therefore, conventionally, it is necessary to keep the arm of a patient receiving an infusion solution, and it has been necessary to pay close attention when moving the body. It is not necessary to maintain, and it becomes easy to change a patient posture in medical treatment operation.
For example, an X-ray contrast examination of the upper gastrointestinal tract can be performed during the infusion treatment.
Filling the stomach with barium and standing as it is, standing position filling method where the barium is gathered downward due to gravity, letting the subject roll over, adjust the stomach wall to familiarize the barium, and disturb the barium In order to take a stomach that is inflated with a thin barium on the stomach wall, taking a translucent stomach bag and taking a translucent stomach bag to express the fine irregularities of the stomach wall The patient's posture can be changed.

(Embodiment 2)
In the second embodiment, means for detecting biological information such as human body temperature and pulse, environmental information such as room air and humidity, etc., and means for notifying these information in the liquid administration device A exemplified in the first embodiment. The liquid administration management system which adjusts the flow volume of a chemical | medical solution in response to the information is illustrated. In addition, the same code | symbol as Embodiment 1 is attached | subjected to the structure which is common in Embodiment 1, and the detailed description is abbreviate | omitted.
That is, the liquid administration management system according to the second exemplary embodiment includes the liquid administration device A and the host device B.
As shown in FIGS. 14 and 15, the liquid administration device A includes the biological information detection sensor 5 a and the biological environment detection sensor 5 b, the notification unit 6, the wireless transmitter / receiver 7, in addition to the configuration of the first embodiment. And a flow rate control unit.
The biological information detection sensor 5a includes a microphone type pulse sensor, a pressure blood pressure sensor, a laser blood flow sensor, a body temperature sensor, a blood oximeter, a blood dissolved gas sensor, a sweat sensor, a myoelectric sensor, a blood glucose level sensor, and an ultrasonic wave. It consists of sensors that detect biological information such as diagnostic sensors.
The biological environment detection sensor 5b includes a sensor that detects a biological environment, such as an ambient temperature sensor, a humidity sensor, a gas sensor, a heat ray sensor, a wind speed sensor, and an atmospheric pressure sensor.

The biological information detection sensor 5a and the biological environment detection sensor 5b are configured as an integral bar, and the biological information detection sensor 5a is disposed on one end side, and the biological environment detection sensor 5b is disposed on the other end side. The living body information detection sensor 5a and the living body environment detection sensor 5b are connected to the human skin side between the engaging portion 1b constituting the hook-and-loop fastener and the power supply portion 42. As such, the biological environment detection sensor 5b is provided on the outside world side.
The biological information detection sensor 5a and the biological environment detection sensor 5b are operated by power supply from the power supply unit 42 via the connection, and the detected information is connected to the notification unit 6 and the wireless transmitter / receiver 7 which will be described later. To send through.
The notification unit 6 includes a liquid crystal panel that operates by supplying power from the power supply unit 42, and detects information detected by the biological information detection sensor 5a, information detected by the biological environment detection sensor 5b, and detected by the thermal flow sensor 41c. Flow rate information, whether each of these information is abnormal or normal, and if it is abnormal, information to that effect (for example, blinking red and sounding warning sound) is displayed or sounded .
As shown in FIG. 15, the notification unit 6 is provided on the surface side of the power supply unit 42 and is always displayed in a certain direction and horizontally without being upside down. The burden of paying special attention that requires confirmation is small, reading errors are unlikely to occur, and diagnosis and treatment that can be confirmed quickly are possible.

The wireless transmitter / receiver 7 includes an optical wireless transmitter / receiver that includes an infrared LED for a transmitter and a phototransistor for reception and can be operated by power supply from the power supply unit 42, and is provided in the center of the upper surface of the infusion bag 41a. ing. The wireless transmitter / receiver 7 determines whether the information detected by the biological information detection sensor 5a, the information detected by the biological environment detection sensor 5b, the flow rate information detected by the thermal flow sensor 41c, and whether each of these information is abnormal or normal. If it is determined that there is an abnormal state, information to that effect is transmitted to the host device B described later, and a signal from the host 9 is received and transmitted to the flow rate control unit described later.
The flow rate control unit controls the infusion pump 41b based on the detection of the flow rate control unit exemplified in the first embodiment, that is, the thermal flow rate sensor 41c. The infusion pump 41b is controlled based on the flow rate adjustment information transmitted from.
The host apparatus B includes a plurality of host-side optical wireless transmitter / receivers 8 that are appropriately provided at a required location in a room (for example, a ceiling) and include infrared LEDs for transmitters and phototransistors for reception, and the plurality of host-side optical wirelesss. It comprises a transmitter / receiver 8 and a host 9 (computer) connected via a signal transmission cable 81.
The host device B receives various information transmitted from the wireless transceiver 7 on the liquid administration device A side by a plurality of optical optical transceivers 8 on the host side, and calculates the optimum amount of the chemical solution from the various information. The flow rate adjustment information is transmitted from the host side optical wireless transmitter / receiver 8 to the wireless receiver / transmitter 7 on the liquid administration device A side.

On the other hand, the liquid administration device A includes a flow rate control unit that adjusts the infusion volume by controlling the components such as the infusion pump 41b or the pressure regulator and the flow rate control valve based on the flow rate adjustment information.
As described above, in the liquid administration management system according to the second embodiment, the biological information of the patient in the infusion, the indoor environment, and the like are detected by the biological information detection sensor 5a and the biological environment detection sensor 5b, and the infusion volume is detected by the thermal flow sensor. The information is detected by 41c, and the various types of information are transmitted to the host 9 via the mutual radio transmitter / receiver and the signal transmission cable 81, and the various types of information (including information indicating abnormality) are displayed on the notification unit 6.
The host 9 that has received the various information derives the optimum amount of the chemical solution, and transmits the result as flow rate adjustment information to the liquid administration device A. The liquid administration device A that receives this information, based on the flow rate adjustment information. Since the flow rate controller controls components such as the infusion pump 41b or the pressure regulator and the flow rate control valve to adjust the infusion volume, it is possible to perform comprehensive examination and comprehensive treatment in consideration of environmental influences. Further, by communicating by optical wireless communication and being processed by the host 9, integrated diagnosis and treatment can be performed with a secure communication means.
In addition, there is a movable part 3 provided between the bundling part 1 configured to be detachable with respect to a human and the holding part 2 holding the infusion part 4 for sending out the medicinal solution in the infusion bag 41a via the infusion tube 41d. As shown in FIG. 16, even when a human is standing or sleeping, the infusion bag 41a can always be maintained in the vertical direction so that the state of feeding the drug solution is almost constant. Since it becomes possible to make it into a state, the flow volume change of a chemical | medical solution can be reduced significantly.

Further, since the position of the radio transmitter / receiver 7 near the uppermost portion of the infusion unit 4 is always controlled so as to keep upward, the radio transmitter / receiver 7 is always kept facing the transmitter / receiver near the ceiling or bed of the building. Since the wireless transmitter / receiver 7 is always kept upward, the probability of being shielded is low. However, in the unlikely event that the body is placed on the wireless transmitter / receiver 7 or the like, the phenomenon caused by the fact that the wireless transmitter / receiver 7 cannot be transmitted / received. Thus, it is possible to determine the occurrence of an abnormal infusion posture. As a result, information management can be easily performed, diagnosed, and treated without using radio waves that may interfere with or interfere with medical devices or the human body.
The liquid administration device A and the liquid administration management system according to the present embodiment have been described above. However, the above-described embodiment shows an example of a preferred embodiment of the present invention, and the present invention is not limited thereto. However, various modifications can be made without departing from the scope of the invention.
For example, the present invention can be applied not only to supplying a liquid but also to a device for draining and circulating, such as a hemodialysis system.

In addition, when supplying and recovering liquid, fields where container and supply attitude control are applied include printing machines that use liquid ink, image forming apparatuses that use liquid, air conditioning equipment that uses liquid refrigerant, There are liquid supply devices C such as refrigeration devices, temperature / humidity control devices for controlling the water level, transport devices using fuel and oils, transportation devices such as automobiles and aircraft, and portable fuel cell systems.
These have a mechanism that uses liquid, and the liquid level in the device fluctuates due to the inclination of the device and can not operate normally, so in order to adjust the liquid level in the manufacturing process or maintain levelness The installation location and installation level are adjusted. When these liquid supply devices C are moved, horizontal level adjustment is required each time. Therefore, the posture adjusting mechanism which is the main part of the present invention can be applied to such a liquid supply apparatus C. This liquid supply apparatus C is shown in FIG. Since it is the same as that of the liquid administration apparatus A described above except that the infusion bag is an infusion tank 41n, the same reference numerals are given and detailed description thereof is omitted.

It is a schematic diagram of the state with which the liquid administration apparatus concerning this Embodiment was mounted | worn to the human. 1 is a perspective view of a liquid administration device according to a first embodiment. FIG. 2 is a cross-sectional side view of the liquid administration device according to the first embodiment. It is a front view of the state which mounted | wore the arm with the liquid administration apparatus concerning Embodiment 1. FIG. (A) is a front view of a movable part, (b) is a center longitudinal cross-sectional view of a movable part, (c) is a cross-sectional plan view of a movable part. It is a front view of an infusion bag part. It is a schematic diagram around a thermal flow sensor and a vent port. FIG. 5 is a front view of the state tilted to the arm, following FIG. 4. It is the top view which showed the other aspect of the movable part. It is a front view of the other aspect of an infusion bag part. It is a front view of the other aspect of an infusion bag part. It is a front view of the state which mounted | wore the arm with the liquid administration apparatus of another aspect. It is a front view of the state inclined to the arm following FIG. It is a center crossing side view of the liquid administration apparatus concerning Embodiment 2. It is a front view of the state inclined to the arm following FIG. It is a schematic diagram of the liquid administration management system concerning Embodiment 2. It is a front view of a liquid supply apparatus.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Bundling part, 1a ... Locked part, 1b ... Locking part, 2 ... Holding part, 2a ... Clamp, 3 ... Movable part, 31 ... Slide plate, 31a ... Slide groove, 32 ... Slide piece, 32a ... Support Hole 33 33 Rotating shaft 34 Stopper pin 35 Locking claw 36 Long hole 37 Round rod member 38 Flexible material 4 Infusion part 41 Infusion bag part 41a Infusion bag 41b ... Infusion pump, 41c ... Thermal flow sensor, 41d ... Infusion tube, 41e ... Vent port, 41f ... Injection needle, 41g ... Joint, 41h ... Inner bag, 41k ... Outer bag, 41m ... Pressurized balloon type infusion bag, 42... Power supply unit, 5a... Biological information detection sensor, 5b... Biological environment detection sensor, 6 .. notification unit, 7 .. wireless transmitter / receiver, 8. A ... Bubble

Claims (20)

A liquid administration device for infusion from an infusion bag to a human,
A binding part configured to be removable with respect to a human;
The infusion bag is detachable, and an infusion part for sending out the liquid in the infusion bag through an infusion tube;
A holding part for holding the infusion part;
A movable part that supports the holding part movably in the binding part and maintains the posture of the infusion bag in a vertical direction;
With
The movable part is
A posture sensor for detecting the posture of the infusion bag;
An actuator controlled to maintain the posture of the infusion bag in the vertical direction based on information detected by the posture sensor;
Liquid dosage device characterized by comprising a.   The said movable part is comprised so that rotation of the said holding | maintenance part can be carried out in the bending direction of the said bending / extending operation | movement or the bending direction of the said bending operation | movement in the bending / extending operation | movement or bending operation | movement of a human. Liquid dosing device.   The said movable part is comprised so that a slide movement of the said holding | maintenance part can be carried out in the twist direction of the said twist operation | movement, or the rotation direction of the said rotation operation | movement in a human twist operation | movement or rotation operation | movement. Liquid dosing device.   The movable portion is capable of rotating the holding portion in a bending / extending direction of the bending / extending operation or a bending direction of the bending operation in a bending / extending operation or bending operation of the person, and in the twisting operation / rotating operation of the human The liquid administration device according to claim 1, wherein the holding unit is configured to be slidable in a twisting direction or a rotation direction of the rotation operation.   5. The liquid administration device according to claim 1, wherein the movable part includes a material or an absorption mechanism that absorbs a force acting on the movable part.   In the binding part, the contact part of the binding part with a human being is made of a plant-derived material, a protein-derived material, a polyester material, a polyethylene material, a polyethylene terephthalate material, or a material arbitrarily combined. The liquid administration device according to claim 1, wherein the liquid administration device is a liquid administration device.   The liquid according to any one of claims 1 to 6, wherein the infusion part is configured in a cartridge type, and the holding part is provided with a clamp for detachably holding the infusion part. Dosing device.   The liquid administration device according to any one of claims 1 to 7, wherein the infusion bag is a pressurized balloon type infusion bag.   The liquid administration device according to any one of claims 1 to 8, wherein the infusion tube is locked to the infusion part or the holding part.   The infusion part, in addition to the infusion bag and the infusion tube,
  An infusion pump for delivering the liquid in the infusion bag;
  Power supply means for supplying power to the infusion pump;
With
  The liquid administration device according to any one of claims 1 to 9, wherein the power supply means is disposed below the position where the infusion bag is disposed in the holding unit.   The infusion part is
  A flow rate sensor provided in the middle of the infusion route for detecting the flow rate of the liquid;
  A flow rate control unit for controlling the flow rate based on at least the flow rate detected by the flow rate sensor;
The liquid administration device according to claim 10.   12. The liquid administration device according to claim 11, wherein the infusion pump and the flow rate sensor are disposed above the position where the infusion bag is disposed in the holding unit.   The infusion part is provided in the vicinity of the flow rate sensor and on the downstream side of the infusion path, and includes a vent port for discharging air bubbles in the infusion tube to the outside. Liquid dosing device.   14. The liquid administration device according to claim 13, wherein the vent port is provided above the infusion bag.   A microsystem in which the infusion pump and the flow rate control unit are integrated, a microsystem in which the infusion pump and the flow rate sensor are integrated, or a microsystem in which the flow rate control unit and the flow rate sensor are integrated The liquid administration device according to claim 11 or 12, wherein the liquid administration device is a microsystem in which the infusion pump, the flow rate control unit, and the flow rate sensor are integrated.   A liquid administration device comprising the flow sensor according to claim 11, the vent port according to claim 13, and the microsystem according to claim 15 arranged on an upper surface of a bag of the infusion bag.   Biological information detection including microphone type pulse sensor, pressure type blood pressure sensor, laser type blood flow sensor, body temperature sensor, blood oximeter, blood dissolved gas sensor, sweat sensor, myoelectric sensor, blood glucose level sensor, ultrasonic diagnostic sensor Sensor,
  Or a biological environment detection sensor including an atmospheric temperature sensor, a humidity sensor, a gas sensor, a heat ray sensor, a wind speed sensor, an atmospheric pressure sensor,
  Or the biological information detection sensor and the biological environment detection sensor,
  The liquid administration device according to claim 11, wherein the binding portion is provided so as to be engageable with a human.   Biological information detected by the biological information detection sensor;
  Biological environment information detected by the biological environment detection sensor;
  Flow rate information detected by the flow rate sensor;
  Abnormal state information indicating the abnormal state when each information of the ecological information, the ecological environment information or the flow rate information indicates an abnormal state, and
The liquid administration device according to claim 17, further comprising a notification unit that notifies all, any, or any combination of the above.   Biological information detected by the biological information detection sensor;
  Biological environment information detected by the biological environment detection sensor;
  Flow rate information detected by the flow rate sensor;
  Abnormal state information indicating the abnormal state when each information of the ecological information, the ecological environment information or the flow rate information indicates an abnormal state, and
18. A radio transceiver for transmitting all, any, or any combination of the above to an external host and receiving information from the host. A liquid administration device according to claim 1.   20. The liquid administration device according to claim 19, wherein the wireless transmitter / receiver is disposed on an upper surface of a bag of the infusion bag.

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