CN215960111U - Extrusion control instrument for lower limb radiography - Google Patents
Extrusion control instrument for lower limb radiography Download PDFInfo
- Publication number
- CN215960111U CN215960111U CN202120566580.6U CN202120566580U CN215960111U CN 215960111 U CN215960111 U CN 215960111U CN 202120566580 U CN202120566580 U CN 202120566580U CN 215960111 U CN215960111 U CN 215960111U
- Authority
- CN
- China
- Prior art keywords
- circuit
- operational amplifier
- power supply
- tourniquet
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 29
- 210000003141 lower extremity Anatomy 0.000 title claims abstract description 16
- 238000002601 radiography Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000003750 conditioning effect Effects 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000002583 angiography Methods 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 210000003462 vein Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 101100316752 Arabidopsis thaliana VAL1 gene Proteins 0.000 description 1
- 101100316753 Arabidopsis thaliana VAL2 gene Proteins 0.000 description 1
- 206010047249 Venous thrombosis Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 210000000544 articulatio talocruralis Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses an extrusion control instrument for lower limb radiography, which comprises a remote controller and an extrusion controller; the remote controller comprises a low-power consumption MCU, a power supply battery, a remote control end wireless Bluetooth module, a TFT color liquid crystal screen and a keyboard, wherein the power supply battery, the remote control end wireless Bluetooth module, the TFT color liquid crystal screen and the keyboard are respectively connected with the low-power consumption MCU; the extrusion controller comprises a system power supply circuit, an MCU minimum system circuit, a Bluetooth interface circuit, an RF ID read-write module, a pressure detection circuit, an inflator pump and an air valve control circuit; the system power circuit is used for supplying power to the extrusion controller, and the MCU minimum system circuit realizes the master control of the extrusion controller. The utility model realizes the purpose of automatically controlling the pressure of the tourniquet in the lower limb radiography process, and realizes the judgment of the use times and the use period of the tourniquet by adopting the means of Bluetooth pairing, radio frequency card matching and the like.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an extrusion control instrument for lower limb radiography.
Background
In the detection process of venous thrombosis of lower limbs, the radiography technology plays a crucial role, and the radiography technology cannot be separated from the tourniquet with adjustable internal pressure. In the contrast process, the tourniquet is usually tied at the ankle joint of the lower limb, the air pressure of a chamber in the tourniquet is increased, so that the shallow veins can be blocked or reduced, the mutual overlapping of the deep veins and the shallow veins is reduced, the filling condition of a contrast agent can be effectively observed in the perspective process, and the smooth completion of contrast examination is ensured.
At present, the air pressure in the tourniquet is mainly inflated by manual extrusion, the efficiency is low, the pressure cannot be accurately controlled, meanwhile, the tourniquet is limited by the use times, and the manual work cannot objectively record the inflated use times and the use duration of the tourniquet in real time.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an extrusion control instrument for lower limb radiography, which achieves the purpose of automatically controlling the pressure of a tourniquet in the lower limb radiography process, and achieves the judgment of the use times and the service life of the tourniquet by means of Bluetooth pairing, radio frequency card matching and the like.
The technical scheme of the utility model is as follows:
an extrusion control instrument for lower limb radiography comprises a remote controller and an extrusion controller;
the remote controller comprises a low-power consumption MCU, a power supply battery, a remote control end wireless Bluetooth module, a TFT color liquid crystal screen and a keyboard, wherein the power supply battery, the remote control end wireless Bluetooth module, the TFT color liquid crystal screen and the keyboard are respectively connected with the low-power consumption MCU;
the extrusion controller comprises a system power circuit, an MCU minimum system circuit, a Bluetooth interface circuit, an RFID read-write module, a pressure detection circuit, an inflator pump and an air valve control circuit;
the system power supply circuit comprises a 220V-to-24V switching power supply, a switching power supply output interface P1, a buck converter U3, a three-terminal regulator U4 and a three-terminal regulator U1, wherein the input end of the buck converter U3 and the input end of the three-terminal regulator U1 are connected with the 220V-to-24V switching power supply through a switching power supply output interface P1, the input end of the three-terminal regulator U4 is connected with the output end of the buck converter U3, the output end of the buck converter U3 outputs a 5V analog power supply, the 5V analog power supply is used for supplying power to a pressure detection circuit, the output end of the three-terminal regulator U4 outputs a 3.3V digital power supply VCC, the digital power supply VCC is used for supplying power to a MCU minimum system circuit, a Bluetooth interface circuit and an RFID read-write module, the output end of the three-terminal regulator U1 outputs a 12V power supply, and the 12V power supply is used for supplying power to an inflator pump and an air valve control circuit;
the MCU minimum system circuit comprises a micro control unit U8, the Bluetooth interface circuit comprises a control end wireless Bluetooth module U7, the control end wireless Bluetooth module U7 is connected with a port corresponding to the micro control unit U8, and the RFID read-write module is connected with a port corresponding to the micro control unit U8 through an NFC interface P3;
the pressure detection circuit comprises a tourniquet internal pressure detection sensor, a buffer bottle internal pressure detection sensor and a signal conditioning circuit, wherein the signal conditioning circuit comprises a double operational amplifier U3 and a double operational amplifier U4, the double operational amplifier U3 comprises an operational amplifier U3A and an operational amplifier U3B, two differential signal output ends of the tourniquet internal pressure detection sensor are respectively connected with a non-inverting input end of the operational amplifier U3A and a non-inverting input end of the operational amplifier U3B in a one-to-one correspondence manner, the double operational amplifier U4 comprises an operational amplifier U4A and an operational amplifier U4B, two differential signal output ends of the buffer bottle internal pressure detection sensor are respectively connected with a non-inverting input end of the operational amplifier U4A and a non-inverting input end of the operational amplifier U4B in a one-to one correspondence manner, the anti-inverting input ends of the double operational amplifier U3 and the double operational amplifier U4 are both connected with a reference voltage Vf, the output end of the operational amplifier U3A and the output end of the operational amplifier U3B are connected with one ADC input port of the micro-control unit U8, and the output end of the operational amplifier U4A and the output end of the operational amplifier U4B are connected with the other ADC input port of the micro-control unit U8;
the inflating pump and air valve control circuit comprises an air pump control circuit, a tourniquet inflating valve control circuit, a tourniquet pressure relief valve control circuit and a control driving interface P4, an air pump control circuit and a tourniquet inflating valve control circuit, the tourniquet pressure release valve control circuits comprise an NPN transistor, a totem pole circuit consisting of an NPN transistor and a PNP transistor, and an N-channel MOS (metal oxide semiconductor) tube, wherein the base electrode of the NPN transistor is connected with a control port corresponding to the micro control unit U8, the collector electrode of the NPN transistor is connected with the input end of the totem pole circuit, the grid electrode of the N-channel MOS tube is connected with the output end of the totem pole circuit, the source electrode of the N-channel MOS tube is connected with a control signal input port corresponding to the control driving interface P4, and the control ends of the air pump, the tourniquet inflation valve and the tourniquet pressure release valve are connected with a control signal output port corresponding to the control driving interface P4.
The keyboard is a six-key independent keyboard, one end of each of the six keys is connected with a corresponding port of the low-power-consumption MCU, and the other end of each of the six keys is grounded.
The control end wireless Bluetooth module U7 is connected with a Bluetooth connection status indicator lamp.
The micro control unit U8 is connected with a controller working state indicator lamp through a light-emitting diode interface.
The tourniquet internal pressure detection sensor and the buffer bottle internal pressure detection sensor are both gauge pressure type diffused silicon pressure sensors.
The utility model has the advantages that:
according to the utility model, the Bluetooth communication connection is established between the remote controller and the extrusion controller, and the remote controller can be used as an upper computer to realize close-range non-contact control, so that the operation is simple and convenient; the extrusion controller collects the pressure inside the tourniquet and the pressure inside the buffer bottle through the pressure detection circuit, and the micro control unit controls the on-off of the inflator pump and the air valve according to the pressure detection result and after receiving the related instruction of the remote controller, so that the accurate control of the pressure of the inner chamber of the tourniquet is realized; the extrusion controller is provided with the RFID read-write module, the RFID label on the tourniquet is read by the RFID read-write module to unlock the extrusion controller when the tourniquet is used each time, the extrusion controller is unlocked to be normally used when the tourniquet is in an effective use period, otherwise, the whole extrusion controller does not output a control instruction to control the tourniquet, and therefore an operator is prompted to replace a new tourniquet.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
FIG. 2 is a system power circuit diagram of the compression controller of the present invention.
FIG. 3 is a circuit diagram of the MCU minimum system of the compression controller of the present invention.
Fig. 4 is a circuit diagram of a bluetooth interface for the compression controller of the present invention.
Fig. 5 is a circuit diagram of a pressure detection circuit of the compression controller of the present invention.
FIG. 6 is a circuit diagram of the inflator and air valve control of the squeeze controller of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a compression controller for lower limb radiography comprises a remote controller 1 and a compression controller 2;
the remote controller 1 comprises a low-power consumption MCU 11, a power supply battery 12, a remote control end wireless Bluetooth module 13, a TFT color liquid crystal screen 14 and a six-key independent keyboard 15, wherein the power supply battery 12, the remote control end wireless Bluetooth module 13, the TFT color liquid crystal screen 14 and the six-key independent keyboard 15 are respectively connected with the low-power consumption MCU 11; one ends of six keys of the six-key independent keyboard 15 are respectively connected with ports corresponding to the low-power-consumption MCU 11, and the other ends of the six keys are all grounded;
the extrusion controller 2 comprises a system power circuit 21, a MCU minimum system circuit 22, a Bluetooth interface circuit 23, an RFID read-write module 24, a pressure detection circuit 25, an inflator pump and air valve control circuit 26.
Referring to fig. 2, the system power circuit includes a 220V to 24V switching power supply, a switching power supply output interface P1, a buck converter U3, a three-terminal regulator U4 and a three-terminal regulator U1, an input end of the buck converter U3 and an input end of the three-terminal regulator U1 are connected with the 220V to 24V switching power supply through a switching power supply output interface P1, an input end of the three-terminal regulator U4 is connected with an output end of the buck converter U3, an output end of the buck converter U3 outputs a 5V analog power supply, the 5V analog power supply is used for supplying power to the pressure detection circuit, an output end of the three-terminal regulator U4 outputs a 3.3V digital power supply VCC, the digital power supply VCC is used for supplying power to the MCU minimum system circuit, the bluetooth interface circuit and the RFID read-write module, an output end of the three-terminal regulator U1 outputs a 12V power supply, and the 12V power supply is used for supplying power to the inflator pump and the air valve control circuit;
referring to fig. 3, the MCU minimum system circuit includes a micro control unit U8, the micro control unit U8 is connected to the controller operating status indicator light through a light emitting diode interface P2, and the RFID read/write module is connected to a port corresponding to the micro control unit U8 through an NFC interface P3;
referring to fig. 4, the bluetooth interface circuit includes a control end wireless bluetooth module U7, the control end wireless bluetooth module U7 is connected with a port corresponding to the micro control unit U8, and a bluetooth connection status indicator lamp DS1 is connected to the control end wireless bluetooth module U7 and is used for prompting the working status of the extrusion controller;
referring to fig. 5, the pressure detection circuit comprises a tourniquet internal pressure detection sensor, a buffer bottle internal pressure detection sensor and a signal conditioning circuit, the signal conditioning circuit comprises a double operational amplifier U3 and a double operational amplifier U4, the double operational amplifier U3 comprises an operational amplifier U3A and an operational amplifier U3B, two differential signal output terminals S1+, S1-of the tourniquet internal pressure detection sensor are respectively connected with the non-inverting input terminal of the operational amplifier U3A and the non-inverting input terminal of the operational amplifier U3B in a one-to-one correspondence manner, the double operational amplifier U4 comprises an operational amplifier U4A and an operational amplifier U4B, two differential signal output terminals S2+, S2-of the buffer bottle internal pressure detection sensor are respectively connected with the non-inverting input terminal of the operational amplifier U4A and the non-inverting input terminal of the operational amplifier U4B in a one-to one correspondence manner, the non-inverting input terminals of the double operational amplifier U3 and the double operational amplifier U4 are both connected with a reference voltage Vf, the output of the voltage reference chip U6 is a reference voltage Vf, the output end of the operational amplifier U3A and the output end of the operational amplifier U3B are both connected with one ADC input port of the micro control unit U8, the output end of the operational amplifier U4A and the output end of the operational amplifier U4B are both connected with the other ADC input port of the micro control unit U8, the output signals of the tourniquet internal pressure detection sensor and the buffer bottle internal pressure detection sensor are subjected to amplitude conversion by a differential signal amplification circuit consisting of a double operational amplifier U3 and a double operational amplifier U4 respectively, and the output signals are amplified to a voltage amplitude range required by an ADC in the micro control unit U8;
referring to fig. 6, the inflator pump and air valve control circuit comprises an air pump control circuit, a tourniquet inflation valve control circuit, a tourniquet pressure relief valve control circuit and a control drive interface P4, wherein the tourniquet internal pressure detection sensor and the buffer bottle internal pressure detection sensor are gauge pressure type diffused silicon pressure sensors; the air pump control circuit comprises a totem pole circuit and an N-channel MOS tube Q7, wherein the totem pole circuit consists of an NPN transistor Q2, an NPN transistor Q1 and a PNP transistor Q10, the base electrode of the NPN transistor Q2 is connected with a control port corresponding to the micro control unit U8, the micro control unit U8 outputs an air pump control signal motor, the collector electrode of the NPN transistor Q2 is connected with the input end of the totem pole circuit, the grid electrode of the N-channel MOS tube Q7 is connected with the output end of the totem pole circuit, and the source electrode of the N-channel MOS tube Q7 is connected with a control signal input port corresponding to the control drive interface P4; the tourniquet inflation valve control circuit comprises a totem pole circuit and an N-channel MOS tube Q8, wherein the totem pole circuit consists of an NPN-type transistor Q4, an NPN-type transistor Q3 and a PNP-type transistor Q11, the base of the NPN-type transistor Q4 is connected with a control port corresponding to a micro control unit U8, the micro control unit U8 outputs an inflation valve control signal VAL1, the collector of the NPN-type transistor Q4 is connected with the input end of the totem pole circuit, the grid of the N-channel MOS tube Q8 is connected with the output end of the totem pole circuit, and the source of the N-channel MOS tube Q8 is connected with a control signal input port corresponding to a control driving interface P4; the tourniquet pressure release valve control circuit comprises a totem pole circuit and an N-channel MOS tube Q9, wherein the totem pole circuit consists of an NPN transistor Q6, an NPN transistor Q5 and a PNP transistor Q12, the base electrode of the NPN transistor Q6 is connected with a control port corresponding to a micro control unit U8, the micro control unit U8 outputs a pressure release valve control signal VAL2, the collector electrode of the NPN transistor Q6 is connected with the input end of the totem pole circuit, the grid electrode of the N-channel MOS tube Q9 is connected with the output end of the totem pole circuit, and the source electrode of the N-channel MOS tube Q9 is connected with a control signal input port corresponding to a control driving interface P4; the control ends of the air pump, the tourniquet inflation valve and the tourniquet pressure relief valve are connected with a control signal output port corresponding to the control driving interface P4 to realize control.
The working principle of the utility model is as follows:
firstly, the extrusion controller 2 and the remote controller 1 are in Bluetooth pairing, after the extrusion controller 2 and the remote controller 1 are in pairing connection, the RFID read-write module 24 of the extrusion controller 2 scans an RFID label on the tourniquet, when the tourniquet is in an effective use period, the extrusion controller 2 is unlocked and can be normally used, the use record is collected and the use times are counted, otherwise, the micro control unit U8 does not output a control instruction to control the tourniquet, and an operator is prompted to replace a new tourniquet; after the extrusion controller 2 is unlocked, the instruction of the remote controller 1 is received and relevant information is transmitted back, the internal pressure of the tourniquet and the internal pressure of the buffer bottle are collected by the internal pressure detection sensor of the tourniquet and the internal pressure sensor of the buffer bottle of the pressure detection circuit 25 in real time and transmitted to the micro control unit U8, the micro control unit U8 controls the on-off of the inflator pump and the air valve through the inflator pump and air valve control circuit 26 by the micro control unit U8 after the relevant instruction of the remote controller 1 is received according to the air pressure detection result, and the accurate control of the pressure of the inner chamber of the tourniquet is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a lower limbs are extrusion control appearance for radiography which characterized in that: comprises a remote controller and an extrusion controller;
the remote controller comprises a low-power consumption MCU, a power supply battery, a remote control end wireless Bluetooth module, a TFT color liquid crystal screen and a keyboard, wherein the power supply battery, the remote control end wireless Bluetooth module, the TFT color liquid crystal screen and the keyboard are respectively connected with the low-power consumption MCU;
the extrusion controller comprises a system power circuit, an MCU minimum system circuit, a Bluetooth interface circuit, an RFID read-write module, a pressure detection circuit, an inflator pump and an air valve control circuit;
the system power supply circuit comprises a 220V-to-24V switching power supply, a switching power supply output interface P1, a buck converter U3, a three-terminal regulator U4 and a three-terminal regulator U1, wherein the input end of the buck converter U3 and the input end of the three-terminal regulator U1 are connected with the 220V-to-24V switching power supply through a switching power supply output interface P1, the input end of the three-terminal regulator U4 is connected with the output end of the buck converter U3, the output end of the buck converter U3 outputs a 5V analog power supply, the 5V analog power supply is used for supplying power to a pressure detection circuit, the output end of the three-terminal regulator U4 outputs a 3.3V digital power supply VCC, the digital power supply VCC is used for supplying power to a MCU minimum system circuit, a Bluetooth interface circuit and an RFID read-write module, the output end of the three-terminal regulator U1 outputs a 12V power supply, and the 12V power supply is used for supplying power to an inflator pump and an air valve control circuit;
the MCU minimum system circuit comprises a micro control unit U8, the Bluetooth interface circuit comprises a control end wireless Bluetooth module U7, the control end wireless Bluetooth module U7 is connected with a port corresponding to the micro control unit U8, and the RFID read-write module is connected with a port corresponding to the micro control unit U8 through an NFC interface P3;
the pressure detection circuit comprises a tourniquet internal pressure detection sensor, a buffer bottle internal pressure detection sensor and a signal conditioning circuit, wherein the signal conditioning circuit comprises a double operational amplifier U3 and a double operational amplifier U4, the double operational amplifier U3 comprises an operational amplifier U3A and an operational amplifier U3B, two differential signal output ends of the tourniquet internal pressure detection sensor are respectively connected with a non-inverting input end of the operational amplifier U3A and a non-inverting input end of the operational amplifier U3B in a one-to-one correspondence manner, the double operational amplifier U4 comprises an operational amplifier U4A and an operational amplifier U4B, two differential signal output ends of the buffer bottle internal pressure detection sensor are respectively connected with a non-inverting input end of the operational amplifier U4A and a non-inverting input end of the operational amplifier U4B in a one-to one correspondence manner, the anti-inverting input ends of the double operational amplifier U3 and the double operational amplifier U4 are both connected with a reference voltage Vf, the output end of the operational amplifier U3A and the output end of the operational amplifier U3B are connected with one ADC input port of the micro-control unit U8, and the output end of the operational amplifier U4A and the output end of the operational amplifier U4B are connected with the other ADC input port of the micro-control unit U8;
the inflating pump and air valve control circuit comprises an air pump control circuit, a tourniquet inflating valve control circuit, a tourniquet pressure relief valve control circuit and a control driving interface P4, an air pump control circuit and a tourniquet inflating valve control circuit, the tourniquet pressure release valve control circuits comprise an NPN transistor, a totem pole circuit consisting of an NPN transistor and a PNP transistor, and an N-channel MOS (metal oxide semiconductor) tube, wherein the base electrode of the NPN transistor is connected with a control port corresponding to the micro control unit U8, the collector electrode of the NPN transistor is connected with the input end of the totem pole circuit, the grid electrode of the N-channel MOS tube is connected with the output end of the totem pole circuit, the source electrode of the N-channel MOS tube is connected with a control signal input port corresponding to the control driving interface P4, and the control ends of the air pump, the tourniquet inflation valve and the tourniquet pressure release valve are connected with a control signal output port corresponding to the control driving interface P4.
2. The compression controller for lower limb angiography of claim 1, wherein: the keyboard is a six-key independent keyboard, one end of each of the six keys is connected with a corresponding port of the low-power-consumption MCU, and the other end of each of the six keys is grounded.
3. The compression controller for lower limb angiography of claim 1, wherein: the control end wireless Bluetooth module U7 is connected with a Bluetooth connection status indicator lamp.
4. The compression controller for lower limb angiography of claim 1, wherein: the micro control unit U8 is connected with a controller working state indicator lamp through a light-emitting diode interface.
5. The compression controller for lower limb angiography of claim 1, wherein: the tourniquet internal pressure detection sensor and the buffer bottle internal pressure detection sensor are both gauge pressure type diffused silicon pressure sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120566580.6U CN215960111U (en) | 2021-03-19 | 2021-03-19 | Extrusion control instrument for lower limb radiography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120566580.6U CN215960111U (en) | 2021-03-19 | 2021-03-19 | Extrusion control instrument for lower limb radiography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215960111U true CN215960111U (en) | 2022-03-08 |
Family
ID=80567876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120566580.6U Expired - Fee Related CN215960111U (en) | 2021-03-19 | 2021-03-19 | Extrusion control instrument for lower limb radiography |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215960111U (en) |
-
2021
- 2021-03-19 CN CN202120566580.6U patent/CN215960111U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205581551U (en) | Wireless Intelligence control system suitable for strike control | |
| CN106139317A (en) | A kind of intelligent transfusion control system | |
| CN105167765A (en) | Blood-pressure measuring system and method | |
| CN109464133A (en) | A kind of portable automatic pulse manifestation testing system | |
| CN203138469U (en) | Portable wireless electronic sphygmomanometer | |
| CN215960111U (en) | Extrusion control instrument for lower limb radiography | |
| CN205072846U (en) | Blood pressure measurement system | |
| CN112890907A (en) | Extrusion control instrument for lower limb radiography | |
| CN204618217U (en) | A kind of arm Wearable electric sphygmomanometer | |
| CN201749374U (en) | Intelligent air supplement control device of air-filled product | |
| CN203861207U (en) | Sphygmomanometer | |
| CN204121006U (en) | A kind of electric sphygmomanometer | |
| CN201114267Y (en) | Micro- current pulse health care mobile phone | |
| CN108331742B (en) | vacuumizing detection control system and method | |
| CN202446094U (en) | Miniature ear clip type wireless blood oxygen detection node | |
| CN211478912U (en) | Rehabilitation training system, master control equipment and bracelet equipment | |
| CN203122384U (en) | Sphygmomanometer with wireless transmission function | |
| CN207457246U (en) | The blood glucose meter of detectable blood pressure | |
| CN103690154A (en) | Hematomanometer | |
| CN204542101U (en) | A kind of medical Basic Life sign measure and control device | |
| CN204246139U (en) | A kind of blood oxygen pulse detection system based on RFID | |
| CN207704613U (en) | Register guide | |
| CN104758010A (en) | Key-free temperature measuring device and application thereof | |
| CN205537747U (en) | Real -time monitoring system based on singlechip wireless transmission data | |
| CN215537331U (en) | Support infusion auxiliary device of PDA scanning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |