WO2014115183A1 - 薬剤投与装置および制御方法 - Google Patents
薬剤投与装置および制御方法 Download PDFInfo
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- WO2014115183A1 WO2014115183A1 PCT/JP2013/000328 JP2013000328W WO2014115183A1 WO 2014115183 A1 WO2014115183 A1 WO 2014115183A1 JP 2013000328 W JP2013000328 W JP 2013000328W WO 2014115183 A1 WO2014115183 A1 WO 2014115183A1
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- Prior art keywords
- drug
- administration
- current value
- patch
- electrodes
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- 238000001647 drug administration Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 21
- 239000003814 drug Substances 0.000 claims abstract description 80
- 229940079593 drug Drugs 0.000 claims abstract description 51
- 230000008859 change Effects 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 13
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims 3
- 230000036962 time dependent Effects 0.000 claims 1
- 210000003491 skin Anatomy 0.000 description 16
- 230000006870 function Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 210000000434 stratum corneum Anatomy 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- 239000002504 physiological saline solution Substances 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000004397 blinking Effects 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010014357 Electric shock Diseases 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 231100000245 skin permeability Toxicity 0.000 description 1
- 238000013271 transdermal drug delivery Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/20—Applying electric currents by contact electrodes continuous direct currents
- A61N1/30—Apparatus for iontophoresis, i.e. transfer of media in ionic state by an electromotoric force into the body, or cataphoresis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/20—Applying electric currents by contact electrodes continuous direct currents
- A61N1/30—Apparatus for iontophoresis, i.e. transfer of media in ionic state by an electromotoric force into the body, or cataphoresis
- A61N1/303—Constructional details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0408—Use-related aspects
- A61N1/0428—Specially adapted for iontophoresis, e.g. AC, DC or including drug reservoirs
- A61N1/0448—Drug reservoir
Definitions
- the present invention relates to a drug administration device for transdermally administering a drug and a control method thereof.
- oral administration and administration by injection are often used for administration of drugs.
- oral administration there is a problem that water-soluble drugs and polymer drugs are not sufficiently absorbed, although they are easy to take and safe.
- injection there is an advantage that it is fast-acting, but there is a disadvantage that it causes pain to the patient.
- transdermal drug administration system a drug administration system through the skin
- a transdermal drug administration system a drug administration system through the skin
- Several methods have been proposed for transdermal drug delivery systems, such as a method using electrical energy and a method using ultrasound.
- iontophoresis is a method that has been studied for a long time and has been put into practical use. Iontophoresis is based on the fact that positive and negative electrodes are attached at two points away from the skin, cross the stratum corneum of the skin from the positive electrode, pass through the inside of the body from the stratum corneum, and generate a current that leads to the negative electrode. In the stratum corneum portion, the charged drug is moved and absorbed by the principle of electrophoresis. In principle, charged drugs are the targets of absorption promotion, but since water flows due to electric current, it has been reported that even drugs without charge or drugs with large molecular weight increase skin permeability.
- Patent Document 1 discloses, as an example of iontophoresis, combining a patch having a drug in an electrode with a battery-driven controller and supplying electric power from the controller to the electrode.
- the controller of Patent Document 1 is small because it simply switches the supply current without setting a complicated profile, and is battery-driven, so that it can restrain the patient during drug administration. Absent.
- Patent Document 2 describes a configuration in which a controller combined with a patch and a dedicated cradle are provided, and a profile (current value setting, etc.) to be set according to the patch is supplied to the controller by wireless communication using the dedicated cradle. Has been. According to Patent Document 2, more complicated current value control can be easily performed while maintaining the formality of the apparatus.
- a patient, a doctor, a nurse, or the like determines whether a drug is actually being administered according to a set supply current or profile. I can't.
- the dose of drug is controlled by adjusting the current between the electrodes. Therefore, a constant current source is used so that a set current flows between the electrodes.
- the voltage that can be applied is limited due to the burden on the patient, risk of electric shock, etc., and when the patient's skin resistance is large or the skin resistance changes significantly for some reason, the set current, that is, the drug administration rate May not be able to be maintained.
- the user cannot confirm such a change in dose during drug administration.
- the present invention has been made in view of such problems, and it is an object of the present invention to enable a patient or medical staff to easily grasp the progress of drug administration by iontophoresis.
- a drug administration device comprises the following arrangement. That is, A drug administration device for applying a voltage between electrodes and transdermally administering a drug by iontophoresis, Measuring means for measuring a current value between the electrodes at a predetermined time interval; Based on the current value measured by the measuring means, calculating means for calculating the administration rate of the drug, Control means for displaying the administration rate calculated by the calculation means on a display.
- the patient or medical staff can easily grasp the progress of drug administration.
- 1 is an overall perspective view showing a transdermal drug administration system according to a first embodiment.
- 2a is a schematic bottom view of the patch
- 2b is an overall perspective view from above of the patch. It is a whole perspective view from the downward direction of a controller.
- It is a schematic block diagram of a controller.
- It is a figure explaining implementation of medicine administration. It is a flowchart explaining the medicine administration process by a controller. It is a figure which shows the example of the display content in the indicator of a controller. It is a figure which shows the example of the display content in the indicator of a controller.
- the transdermal drug administration system 10 includes a patch 200, a controller 100, and a cradle 300 as a basic configuration.
- the controller 100 and the patch 200 are detachable, and are combined as will be described later to constitute a medicine administration device.
- the patch 200 is integrated with the controller 100 and is affixed to the patient's skin as a drug administration device, an electric current is passed from the controller 100 to the patch 200, and the drug 211 provided in the patch 200. Iontophoresis in which (FIG. 2) is administered transdermally is realized.
- the patch 200 has two reservoirs including electrodes.
- an anionic drug is sealed in a cathode tank, and a cationic drug is sealed in an anode tank.
- the patch 200 is applied to the skin, and a voltage of several volts is applied so that several hundred ⁇ A flows between the electrodes, so that the drug moves to the skin, and at the same time, endogenous ions paired with the drug are extracted from the skin into the reservoir. Is done.
- the other reservoir also causes ion exchange and establishes an electrical circuit. Furthermore, when a voltage is applied to the skin, water moves from the anode toward the cathode, and a drug that does not dissociate on the skin is delivered transdermally.
- the patch 200 includes a donor reservoir 201, a return reservoir 202, a pair of connection pins 203 and 204, and an RF tag chip 205.
- the patch 200 has a thin plate shape, and a pair of connection pins 203 and 204 are provided on the upper surface of the patch 200 so as to be directed upward.
- the vertical direction in the transdermal drug administration system 10 refers to a direction perpendicular to the contact surface between the patch 200 and the cradle 300 shown in FIG. 1, with the controller 100 side upward and the cradle 300 side. Is the downward direction, but the actual direction of use is not limited to this. Further, both corners on one short side of the rectangular shape in plan view are chamfered and rounded. As a result, when the patch 200 is connected to the controller 100, it is possible to prevent the wrong direction.
- the RF tag chip 205 is installed at the approximate center on the upper surface of the patch 200.
- the RF tag chip 205 is a passive RF tag that does not require an external power source such as a battery, and includes an IC chip 206 and an antenna 207.
- the antenna 207 is formed on the upper surface of the patch 200 by etching, printing, or printing of aluminum, copper, or silver, and has a function of receiving and reflecting a signal from the controller 100.
- the IC chip 206 and the antenna 207 are covered with a film or the like (not shown).
- the IC chip 206 includes a high-frequency circuit operating at 800 MHz to 2.54 GHz, a power regeneration circuit, a memory control circuit, a memory, and the like (all not shown).
- the power source of the RF tag chip 205 which is a passive RF tag, regenerates a DC power source by receiving an external signal using an antenna 207 using a power regeneration circuit and converting it to electric power.
- a power source such as a battery becomes unnecessary, and the patch 200 can be downsized. Further, since there is no power supply, there is no restriction on the operation period of the RF tag chip 205, and the management of the patch 200 is simplified.
- the RF tag chip 205 is not limited to a passive RF tag, and may be, for example, an active RF tag.
- the IC chip 206 is recorded with identification information indicating the type of the stored medicine and parameters indicating the relationship between the dose of the stored medicine and the current value.
- a donor reservoir 201 and a return reservoir 202 are provided on the lower surface of the patch 200 (the surface in contact with the patient's skin) at a symmetric position from the approximate center.
- the donor reservoir 201 is filled with the medicine 211 and also has a function as a positive electrode plate. That is, in this embodiment, the donor reservoir 201 is an anode tank, and the drug 211 is a drug having a cation such as a cationic drug.
- the return reservoir 202 has the same structure as that of the donor reservoir 201, but has a function as a negative electrode plate and forms a cathode tank.
- the return reservoir 202 is filled with physiological saline 212 instead of the medicine 211.
- the physiological saline 212 has anions.
- the cathode tank is a donor reservoir.
- connection pins 203 and 204 protrude from the upper surface of the patch 200 and are connected to the donor reservoir 201 and the return reservoir 202 inside the patch 200.
- the connection pins 203 and 204 are inserted into the concave connection hooks 191 and 192 (FIG. 3) of the controller 100 to provide a function of supplying electricity from the controller 100 to the donor reservoir 201 and the return reservoir 202.
- the pair of connection pins 203 and 204 and the connection hooks 191 and 192 may be provided at asymmetric positions from the center of the respective installation surfaces.
- the diameters of the connecting pins 203 and 204 and the diameters of the connecting hooks 191 and 192 may be different. As a result, when the patch 200 and the controller 100 are connected, the direction is not mistaken.
- the controller 100 of the present embodiment has the same shape as the patch 200 in plan view.
- the controller 100 includes a display 101 such as an LCD, a pair of connection hooks 191 and 192, a power switch 102, a dosing control switch 103, a red lamp 106, a green lamp 107, a dosing speed dial 104, and a total dose dial 105.
- the controller 100 includes a controller control unit 111, a controller power supply 112, a driver 113, and a voltage / current detection unit 114 that are control circuits of the controller 100 therein.
- the red lamp 106 and the green lamp 107 are indicator lamps using, for example, LEDs (Light Emitting Diode).
- the red light 106 has a function of notifying an abnormal operation of the controller 100 to a qualified user such as a patient, a doctor, or a nurse by flashing quickly.
- the red lamp 106 has a function of notifying the patient or user that the remaining amount of the controller power source 112 is low by blinking slowly.
- the green light 107 has a function of notifying the patient and the user that the medicine is normally administered by blinking.
- the uses of the red lamp 106 and the green lamp 107 are not limited to these. Further, the notification function of the red lamp 106 and the green lamp 107 may be realized by the display device 101, and the red lamp 106 and the green lamp 107 may be omitted.
- the controller power source 112 is a secondary battery having a charging function, and may have any form and size that allows the controller 100 to be carried. Note that a power source having a power storage function such as a dry battery or a button-type battery may be used as the controller power source 112. In that case, the cradle 300 for charging becomes unnecessary.
- the controller control unit 111 includes a CPU (Central Processing Unit) 121 as a main control unit, an RF communication unit 122, a timer 123, and an internal memory 124, to which a driver 113, a voltage / current detection unit 114, and the like are connected.
- a CPU Central Processing Unit
- Each functional unit described above is realized by the CPU 121 reading a program and executing software processing in cooperation with the RF communication unit 122, the internal memory 124, the driver 113, and the like.
- the controller control unit 111 executes the administration of the medicine 211 at the administration rate and administration time set by the administration rate dial 104 and the total dose dial 105.
- the RF communication unit 122 communicates with the RF tag chip 205 of the patch 200, and in the present embodiment, has a function of acquiring a parameter indicating the type of the drug 211 and a relationship between the dose and the current from the patch 200 and transmitting the parameter to the CPU 121.
- the internal memory 124 includes a non-volatile memory such as a flash memory, and the type and parameters of the medicine received from the patch 200 via the RF communication unit 122 and the CPU 121 are written therein.
- the driver 113 has a function of supplying current to the connecting hooks 191 and 192 based on control information provided from the controller control unit 111.
- the driver 113 can freely convert the supply current in terms of time by, for example, a PWM (Pulse Width Modulation) method, and there is no circuit limitation on the current supply pattern.
- the voltage / current detection unit 114 detects the voltage and current applied via the connection hooks 191 and 192 and provides the detection result to the CPU 121. Thereby, the CPU 101 can measure the current value and the voltage value between the electrodes.
- the RF communication unit 122, the internal memory 124, the driver 113, and the voltage / current detection unit 114 may be integrated in the CPU 121.
- the cradle 300 has a shape having a cradle body 301 and a cradle wall portion 302 which are substantially rectangular parallelepipeds. Both corners on the side facing the cradle wall 302 that is rectangular in plan view are chamfered and rounded. This is the same as the patch 200 and the controller 100 described above. As a result, as shown in FIG. 1, when the patch 200 and the controller 100 are integrally set on the cradle body 301, the user can see the direction of the direction. Become.
- the transdermal drug administration system 10 of the present embodiment is basically configured as described above. Next, the administration of the drug 211 performed on the patient using the transdermal drug administration system 10. Will be described.
- the patch 200, the controller 100, and the cradle 300 are prepared at the user's 501 hand.
- the donor reservoir 201 of the patch 200 is preliminarily filled with the drug 211 and the return reservoir 202 is filled with physiological saline 212 at the manufacturing stage.
- the IC chip 206 of the patch 200 the identification information described above in the manufacturing stage, parameters indicating the relationship between the administration rate and the current value, and the like are recorded in advance.
- the user 501 After selecting an appropriate patch 200 from a plurality of patches, the user 501 associates the patch 200 and the controller 100 with a pair of connection pins 203 and 204 and connection hooks 191 and 192, as shown in 5a of FIG. Combine them together.
- the user 501 or the patient 502 removes a predetermined protective film from the patch 200 and attaches the patch 200 and the controller 100 to the patient 502 (see 5b in FIG. 5). Since the lower surface of the patch 200, that is, the contact surface with the patient 502 has an appropriate adhesive force, the patch 200 and the controller 100 do not fall off the patient 502.
- the user 501 or the patient 502 turns on the administration control switch 103.
- the CPU 121 reads the parameter indicating the relationship between the dose and the current amount from the internal memory 124, determines the applied current amount so as to satisfy the set administration speed, and transfers from the driver 113 to the connection hooks 191 and 192.
- Energize As a result, an electrophoretic principle causes a current to flow from the donor reservoir 201 which is a positive electrode to cross the stratum corneum of the skin of the patient 502 and to pass through the inside of the body from the stratum corneum to the return reservoir 202 which is a negative electrode. .
- FIG. 6 is a flowchart for explaining the operation of the drug administration device according to this embodiment. The processing described below is realized when the power switch 102 of the controller 100 is turned on, power is supplied to the controller control unit 111, and the CPU 121 executes a predetermined program stored in the internal memory 124.
- the CPU 121 detects the setting state of the administration rate dial 104, and displays the administration rate indicated by the administration rate dial 104 as the administration rate display 702 (step S602).
- the administration rate display is updated accordingly. Since the administration rate with respect to the current value differs for each type of medicine, the CPU 121 calculates a current value corresponding to the designated administration rate using the rate parameter acquired from the patch 200 in step S601.
- the CPU 121 detects the set state by the total dose dial 105 and acquires the total dose instructed by the operator (step S603).
- the acquired total dose is displayed as a total dose display 703.
- the CPU 121 waits for the administration control switch 103 to be turned on (step S604). While the administration control switch 103 is off, the process repeats steps S601 to S604.
- the administration control switch 103 is turned on, the process proceeds from step S604 to step S605.
- the administration rate and the total administration amount values set at the time when the process proceeds to step S605 are adopted.
- step S601 to step S604 the CPU 121 blinks the green light 107 to indicate that the administration rate and the total dose are being set.
- the CPU 121 turns on the green lamp 107 continuously to notify that medicine is being administered.
- the CPU 121 starts administration of the medicine held in the patch 200.
- the CPU 121 starts the timer 123 and measures the time from the start of administration (step S605).
- the CPU 121 instructs the driver 113 to flow a current value corresponding to the administration rate set in step S602.
- the driver 113 includes a constant current source that supplies a current according to an instructed current value, and applies a necessary voltage to the connection hooks 191 and 192.
- the CPU 121 switches the display content of the display 101 to an administration display screen as shown in 7b of FIG. 7, and displays the drug name acquired at the time of proceeding to step S605 as the drug name display 711. To do.
- CPU 121 determines whether or not the administration of the medicine has ended.
- the end of drug administration can be determined, for example, based on whether or not the dose estimated in dose estimation (step S612) described later has reached the total dose specified in step S603.
- the necessary administration time is calculated by dividing the total dose set in step S603 by the administration rate set in step S602, and it is determined that the administration is completed when the set time has passed based on this. You may make it do. If it is determined that the administration of the medicine has been completed, the process proceeds to step S609, the application of the current for the administration of the medicine is stopped, and this process is finished.
- the CPU 121 acquires a voltage value and a current value between the connection hooks 191 and 192, that is, between the electrodes, from the voltage / current detection unit 114 (step S610). Then, the CPU 121 calculates an estimated administration rate using the parameter acquired in step S601 and the current value acquired in step S610 (step S611). Furthermore, the CPU 121 estimates the currently administered dose based on the administration speed from the start of administration to the current time (step S612).
- the CPU 121 displays the voltage value, the current value acquired in step S610, and the skin resistance value calculated therefrom as a current value display 712, a voltage value display 713, and a skin resistance display 714, respectively (step S613, 7b in FIG. Further, the CPU 121 displays the administration rate (estimated administration rate) calculated in step S611 on the display device 101 as the estimated administration rate display 715 (step S613). In addition, the CPU 121 displays the administered dose estimated in step S612 on the display device 101 as the estimated dose display 716 (step S613). In the present embodiment, the display of the estimated dose 716 is represented by (estimated dose until now) / (total dose). Further, the CPU 121 acquires the elapsed time from the start of administration from the timer 123 and displays it on the display device 101 as the elapsed time display 717.
- the CPU 121 further displays the change over time in the voltage value and current value from the start of administration as a graph 718.
- a graph 718 shows a voltage value change 719 over time and a current value change 720 over time.
- the CPU 121 flashes the red lamp 106 to alert the user when the detected voltage value reaches the maximum limit value.
- the graph display may be anything such as the administration rate and the dose administered (estimated dose) as long as it is a change over time related to the drug administration.
- a display form as shown in FIG. 8 is conceivable when displaying the change over time in the estimated drug amount.
- the change over time in the estimated dose is displayed as a change over time 801.
- the operator can change the set state and actual administration. The relationship with quantity can be grasped at a glance.
- the displays 712 to 717 and various graphs may be switched and displayed.
- the parameter indicating the relationship between the administration rate and the current value is acquired by the RF communication with the patch 200
- the present invention is not limited to this.
- a table in which “type of drug” and “parameter indicating the relationship between the administration rate and the current value” are stored in the internal memory 124, and the parameter may be acquired with reference to this table.
- the type of medicine (medicine name) may be acquired by RF communication with the patch 200, or for example, a medicine designation dial may be provided and designated manually by the operator.
- the controller 100 may read the pin arrangement of the patch 200 to detect the type of medicine.
- the drug administration device of the present invention is a portable type and is configured to be used by attaching the whole to the patient's skin, the patient himself can easily confirm the drug administration state, Can give the patient a sense of security.
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Abstract
Description
電極間に電圧を印加し、イオントフォレシスにより経皮的に薬剤を投与する薬剤投与装置であって、
所定の時間間隔で前記電極間の電流値を測定する測定手段と、
前記測定手段により測定された電流値に基づいて、前記薬剤の投与速度を算出する算出手段と、
前記算出手段により算出された投与速度を表示器に表示する制御手段と、を備える。
Claims (9)
- 電極間に電圧を印加し、経皮的に薬剤を投与する薬剤投与装置であって、
所定の時間間隔で前記電極間の電流値を測定する測定手段と、
前記測定手段により測定された電流値に基づいて、前記薬剤の投与速度を算出する算出手段と、
前記算出手段により算出された投与速度を表示器に表示する制御手段と、を備えることを特徴とする薬剤投与装置。 - 前記算出手段で算出された投与速度に基づいて、投与開始から現在までに投与された薬量を推定する推定手段を更に備え、
前記制御手段は、前記表示器に前記推定手段により推定された薬量を表示することを特徴とする請求項1に記載の薬剤投与装置。 - 前記推定手段により推定された薬量が、操作者により指定された薬量に到達すると前記電極間への電圧の印加を停止する停止手段を更に備えることを特徴とする請求項2に記載の薬剤投与装置。
- 前記測定手段は、さらに、前記所定の時間間隔で前記電極間の電圧値を測定し、
前記制御手段は、さらに、前記測定手段で測定された電流値、電圧値、前記電流値と前記電圧値から求まる皮膚抵抗値の少なくともいずれかを前記表示器に表示することを特徴とする請求項1乃至3のいずれか1項に記載の薬剤投与装置。 - 前記制御手段は、前記所定の時間間隔で測定された電流値、電圧値、前記電流値と前記電圧値から求まる皮膚抵抗値、前記算出手段で算出された投与速度の少なくともいずれかの経時変化をグラフにより表示することを特徴とする請求項4に記載の薬剤投与装置。
- 前記制御手段は、前記推定手段により推定された薬量の経時変化をグラフにより表示することを特徴とする請求項2に記載の薬剤投与装置。
- 薬剤を保持したパッチが着脱可能な構成を有し、装着されたパッチと通信する通信手段を更に備え、
前記算出手段は、前記パッチから前記通信手段を介して前記パッチが保持している薬剤の電流値と投与速度の関係を表すパラメータを取得し、該パラメータと前記測定手段により測定された電流値とに基づいて投与速度を算出することを特徴とする請求項1乃至6のいずれか1項に記載の薬剤投与装置。 - 前記制御手段は、前記通信手段を介して前記パッチが保持している薬剤の薬剤名を取得し、前記表示器に表示することを特徴とする請求項7に記載の薬剤投与装置。
- 電極間に電圧を印加し、経皮的に薬剤を投与する薬剤投与装置の制御方法であって、
所定の時間間隔で前記電極間の電流値を測定する測定工程と、
前記測定工程で測定された電流値に基づいて、前記薬剤の投与速度を算出する算出工程と、
前記算出工程で算出された投与速度を表示器に表示する制御工程と、を有することを特徴とする薬剤投与装置の制御方法。
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PCT/JP2013/000328 WO2014115183A1 (ja) | 2013-01-23 | 2013-01-23 | 薬剤投与装置および制御方法 |
EP13872485.1A EP2949359A4 (en) | 2013-01-23 | 2013-01-23 | MEDICAMENTAL ADMINISTRATION AND CONTROL PROCEDURE |
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CN108778408A (zh) * | 2015-11-06 | 2018-11-09 | Seb公司 | 包括用于测量产品不存在的测量装置的、用于通过离子电渗疗法将待分配产品涂抹到使用者皮肤上的设备和相应方法 |
JP2019506921A (ja) * | 2015-12-22 | 2019-03-14 | イノビオ ファーマシューティカルズ,インコーポレイティド | 電源スイッチを備えたバッテリーパックを有するエレクトロポレーション装置 |
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ES2885062T3 (es) | 2017-06-28 | 2021-12-13 | Fundacion Tecnalia Res & Innovation | Dispositivo para la administración transdérmica controlada y vigilada de principios activos y uso del mismo |
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EP2949359A1 (en) | 2015-12-02 |
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