JP2002032477A - Medical treatment instrument control system and ic card for medical treatment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a medical treatment instrument control system and an IC card for medical treatment for speedily and accurately treating a home patient at a remote place. SOLUTION: This medical treatment instrument control system is a system which uses a computer system and medical treatment equipment 12 which is put on by a patient and has a radio data transmitting and receiving function is loaded with the IC card 13 for medical treatment where a medical treatment instrument control program 131 meeting conditions of the patient functions; and measurement data on the patient measured by various medical treatment sensors 11 are periodically sent from the medical treatment equipment 12 to a server 51 at a hospital through a homepage server 14 and an optimum medical treatment instrument control program adjusted according to the measurement data on the patient from the server at the hospital is loaded to the IC card for medical treatment.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for controlling a treatment instrument or a medical sensor using a wearable (e.g., wearable) medical device and a medical IC card mounted on a patient. More particularly, the present invention relates to a system for storing information on a patient's illness in a medical IC card, thereby encrypting data to be transmitted to a hospital, authenticating a patient, optimizing control of medical sensors and therapeutic instruments, and instructing emergency treatment.

[0002]

2. Description of the Related Art Conventionally, a patient's condition has only been grasped and transmitted to a hospital center by grasping fixed information such as measurement of body temperature and blood pressure on a regular basis. For this reason, there has been a problem that changes in the condition of the patient cannot be grasped at an early stage and quick and accurate medical treatment can be performed. In particular, in the case of home patients, the problem was remarkable. There is also a problem that private information such as symptoms of a patient is transmitted without being confidential and is easily intercepted by a third party. As a technique for transmitting home patient data to a hospital center, there is a technique that has already been proposed as disclosed in Japanese Patent Application Laid-Open No. H10-179526. However, such prior art does not provide a means for adjusting a treatment program for controlling a treatment instrument of a patient based on measurement data.

[0003]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a method of encrypting a patient's data and periodically transmitting the encrypted data from a medical IC card to a hospital, a medical device carried by the patient, and a medical treatment suitable for the patient. By storing an instrument control program in an IC card and rewriting the program, a quick and accurate treatment is to be performed.

[0004]

A first aspect of the present invention for solving the above-mentioned problem is a therapeutic instrument control system using a computer system, which has a function of wirelessly transmitting and receiving data by being worn by a patient. The medical device is equipped with a medical IC card on which a therapeutic instrument control program adapted to the symptoms of the patient functions, and the measurement data of the patient measured by various medical sensors is transmitted from the medical device via the home server. Is transmitted to the hospital server at regular intervals, and from the hospital server, the optimal therapeutic instrument control program adjusted based on the patient's measurement data is used for the medical I
A therapeutic instrument control system, wherein the therapeutic instrument control system is loaded on a C card. Because of such a treatment instrument control system, control of the treatment instrument can be performed quickly and accurately.

A second aspect of the present invention for solving the above-mentioned problem has a function of storing input biometric data of a patient, encrypting the measured data, and transmitting the encrypted data. A medical IC card which operates according to a rewritable treatment instrument control program based on a rewrite signal. Because of such a medical IC card, control of the treatment instrument can be performed quickly and accurately.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A non-contact IC card according to the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing the overall configuration of the treatment instrument control system of the present invention. The patient 1 is a home patient, wearing various medical sensors 11 and a portable medical device 12. The medical device 12
It is a wearable personal computer device that includes a reader / writer for an IC card and has a medical IC card 13 mounted thereon. Patient measurement data from various medical sensors 11 is transmitted to the medical IC card 13 via the medical device 12 at regular intervals. In addition, various treatment instruments (not shown) can be connected to the medical device 12 and controlled. The medical IC card 13 has a medical adjustment program 13 for controlling a treatment instrument.
1 is used and functions, and has a mechanism for appropriately controlling the treatment device according to the condition of the patient.

[0007] The medical IC card 13 processes the acquired patient data, and if it is necessary to adjust the treatment instrument according to the range of the treatment adjustment program 131 provided in the IC card at that time, the IC card is adjusted to the medical device 12. Give instructions to do. The patient's home 10 has a home server 14 connected to a hospital server 51, and periodically transmits patient data from the medical device 12 to the hospital server 51.

In the hospital 50, the patient's data is diagnosed and analyzed by a specialist doctor. If the normal treatment is inappropriate, a treatment for uploading the treatment adjustment program 131 is performed according to the patient's data. You. The uploaded program is stored in the hospital server 51 → Home /
Server 14 → medical device 12, medical IC in reverse route
The treatment adjustment program 131 is downloaded to the card 13 and replaced with a new program. Instead of the complete replacement of the program, a partial adjustment such as a change in the numerical value of the program previously loaded on the card may be performed.

The medical sensor 11 for grasping the symptoms of the patient 1 relates to basic biological information such as a digital thermometer and a digital pulse / blood pressure monitor. Data measured by these is acquired by the medical device 12 in real time. The acquired data is taken from the clock unit of the medical device 12, and is stored in the storage unit together with the measurement result, and is transmitted to the medical IC card 13 from the connection terminal.

In FIG. 1, when the patient's body temperature rises abnormally (S1), data measured by the medical sensor 11 is acquired by the medical IC card 13 via the medical device 12 (S2). If the treatment adjustment program 131 provided in the medical IC card determines and is necessary, a treatment for changing the treatment condition is performed (S3). For example, when the medical device 12 instructs the treatment device to perform the body temperature lowering treatment (S4), the treatment device performs a treatment for lowering the temperature of the water-cooled macula of the patient.

[0011] Further, the patient's symptoms are indicated by the medical IC card 13.
From time to time, measures are taken to report symptoms to the hospital (S
5) The hospital server 51 through the home server 14
Is reported (S6). In addition to the server, the hospital has a host computer 52 and a patient database 53,
It allows retrospective analysis of patient data.
When it is necessary to upload the treatment adjustment program 131 of the medical IC card 13 by the judgment of the specialist, the hospital instructs to adjust or change the program (S7), and the treatment adjustment program 131 of the medical IC card 13 is sent. 131 is adjusted or changed (S8).

A patient's symptom report to the hospital and a program change instruction from the hospital are encrypted. This is to prevent leakage of patient's personal information to outsiders and falsification of patient data on the network. The encryption may be either a secret encryption scheme in which encryption and decryption are performed using the same key, or a public key encryption scheme in which encryption and decryption are performed using different keys. Either method can be used to encrypt the entire message to prevent eavesdropping, but usually a secret key encryption method is used. This is because the public key cryptosystem requires a long processing time for encryption and decryption.

[0013] Data from a patient may cause a serious problem if the patient (subject) is mistaken, so that the transmitted data is provided with the patient's ID number in order to prove that the data belongs to the patient. Leaving the input of the ID number to the key input of the patient as in the related art not only increases the burden on the patient, but also incorrectly recognizes the patient and performs treatment if the key input is incorrect. In particular, the burden is greater if the patient is a disabled person with a low level of independence or an elderly person who cannot normally operate.

Therefore, in the system of the present invention, the medical device 1
Medical IC card 13 with ID number unique to patient 2
And by including the ID number in the transmission data, the trouble of inputting the patient can be saved, and the identification of the patient can be prevented from being erroneous. In the case of a home patient, a large number of patients do not stay at home and there is no mistake in mounting the medical device on the patient.

The medical device 12 used in the present invention is a means for temporarily recording a digitally converted signal from the medical sensor 11 in a memory, and a function of transmitting a control signal to the treatment instrument based on an instruction from an IC card. And home server 1
And a function of transmitting a signal to the home server 4 and receiving a signal from the home server. Further, the signal from the medical sensor 11 stored in the memory is transmitted to a CPU for arithmetic control.
The IC card 13 also has a function as a reader / writer that transmits the data to the IC card 13 and receives the encrypted data from the IC card 13.

Data acquired by the medical device 12 from the IC card 13 as data for hospital transmission is sent to an amplification / driving circuit and emitted as electromagnetic waves from a transmitting / receiving antenna. On the other hand, a radio wave transmitted from the hospital to the medical device 12 via the home server 14 is received and the IC card 13
To be transmitted. Since the medical device 12 is to be worn on a patient, it is preferably lightweight and thin, and may be a mobile phone type.

Next, the medical IC card of the present invention will be described. The medical IC card 13 of the present invention has a function of storing input biometric data of a patient and encrypting and transmitting the measured data. If the medical adjustment program 131 included in the IC card determines and needs to be performed, emergency treatment for changing the treatment condition is performed. If the patient's condition is abnormal, the treatment adjustment program is updated based on the rewrite signal from the hospital server.

Such a medical IC card has a control C
It has a PU and a storage memory area for loading programs,
Authentication code (ID number) and key for encryption (encryption,
Composite). Communication with the medical device 12 may be performed via the connection terminal board. If the medical device 12 is of a mobile phone type, the IC card 1
Reference numeral 3 may be a small-sized SIM type IC card to be attached to a mobile phone.

[0019]

As described above, in the treatment instrument control system according to the present invention, since the medical instrument is equipped with the IC card on which the treatment instrument adjustment program adapted to the individual symptom of the patient functions, it is remote (at home). Patient's symptoms can be grasped in real time. In addition, by encrypting the patient's data and transmitting it periodically to the hospital, and by rewriting the treatment adjustment program suitable for the patient, it is possible to perform prompt and accurate treatment and protect the privacy of the patient.

[Brief description of the drawings]

FIG. 1 is a diagram showing an overall configuration of a treatment instrument control system according to the present invention.

[Explanation of symbols]

 1 Patient 10 Home 11 Medical Sensor 12 Medical Device 13 Medical IC Card 14 Home Server 50 Hospital 51 Hospital Server 52 Host Computer 53 Patient Database 131 Treatment Adjustment Program

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G06K 17/00 G06K 17/00 L 19/00 G09C 1/00 660A G09C 1/00 660 G06K 19/00 Q F term (reference) 4C341 LL30 5B035 BB09 BC00 5B049 AA01 AA06 BB41 EE21 FF08 GG06 GG09 5B058 CA25 KA02 KA04 KA08 KA35 YA20 5J104 AA07 KA01 NA35 NA36 NA37 NA41

Claims (7)

[Claims] 1. A medical device control system using a computer system, wherein a medical device which is mounted on a patient and has a wireless data transmission / reception function includes a medical IC in which a therapeutic device control program adapted to a patient's condition functions. A card is mounted, and the patient's measurement data measured by various medical sensors is periodically transmitted from the medical device to the hospital server via the home server, and the patient's measurement data is transmitted from the hospital server. A therapeutic instrument control system, wherein an optimal therapeutic instrument control program adjusted based on data is loaded on the medical IC card. 2. The therapeutic instrument control system according to claim 1, wherein the patient's measurement data is encrypted by a medical IC card and then transmitted via a medical device. 3. The therapeutic instrument control system according to claim 1, wherein the patient's measurement data is transmitted together with the patient's authentication data. 4. The treatment instrument control system according to claim 1, wherein the treatment instrument control program can be adjusted or changed based on the measurement data of the patient. 5. The therapeutic instrument control system according to claim 1, wherein the adjustment or change of the therapeutic instrument control program is performed according to a hospital instruction, and the instruction is encrypted and transmitted to an IC card. 6. The treatment instrument control system according to claim 1, wherein the medical IC card is a SIM type IC card. 7. It has a function of storing the input biometric data of a patient, encrypting the measured data and transmitting the data, and operating by a therapeutic instrument control program that can be rewritten based on a rewrite signal from a server in a hospital. A medical IC card.