CN117679109A - Radial artery compressor convenient to operate and low in cost and working method thereof - Google Patents
Radial artery compressor convenient to operate and low in cost and working method thereof Download PDFInfo
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- CN117679109A CN117679109A CN202311461684.0A CN202311461684A CN117679109A CN 117679109 A CN117679109 A CN 117679109A CN 202311461684 A CN202311461684 A CN 202311461684A CN 117679109 A CN117679109 A CN 117679109A
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- 210000002321 radial artery Anatomy 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 15
- 239000013589 supplement Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 description 4
- 210000000707 wrist Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/132—Tourniquets
- A61B17/135—Tourniquets inflatable
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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- Medical Informatics (AREA)
- Reproductive Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Surgical Instruments (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention relates to a radial artery compressor with convenient operation and low cost and a working method thereof, comprising an air bag compressor and a valve assembly, wherein the valve assembly comprises a valve body, a gas channel is arranged on the valve body, a gas outlet of the gas channel is communicated with the air bag compressor so that gas can enter and exit the air bag compressor through the gas channel, a first valve and a second valve are arranged on the gas channel at intervals, so that a gas channel forms a gas discharge temporary storage chamber between the first valve and the second valve when the first valve and the second valve are closed at the same time, and the volume of the gas discharge temporary storage chamber is matched with the exhaust volume when the air is extracted and reduced.
Description
Technical Field
The invention relates to the technical field of clinical medical equipment, in particular to a radial artery compressor with convenient operation and low cost and a working method thereof.
Background
The utility model provides a radial artery compressor is a clinical medical appliances, and the main patient who is used for carrying out radial artery oppression to the radial artery after the operation of radial artery puncture in order to reach hemostatic effect, and chinese patent "radial artery gasbag compressor" of application number 201720632852.1 discloses a radial artery compressor among the prior art, and this compressor includes fixed plate, wrist strap, oppression gasbag and has electronic component's encapsulation box, and this patent has mainly designed pressure sensor so that doctor can accurate control pressure when aerifing in radial artery compressor, has certain intelligence.
However, due to the cost problem, the above-mentioned compressor with the packing box is rarely used in practice, and most hospitals still use the common compressor including the fixing plate, the wrist strap and the compression air bag. The specific pressure of the common compressor is roughly controlled by the volume of the filled air when the common compressor is used, generally, 20ml of air (different according to different compressor brands and specific data) is filled into the compression air bag by using a syringe, the radial artery is compressed for four hours, and then the syringe is used for pumping outwards to gradually reduce the pressure, generally pumping 2ml every 2 hours, and pumping four times altogether. This means that every patient wearing a radial artery compressor requires the caretaker to pay attention and pump down and depressurize regularly, greatly increasing the burden on the caretaker.
Disclosure of Invention
The invention aims to solve the technical problem of providing the radial artery compressor which is simple in structure and easy to control, and is used for simplifying the deflation and depressurization work of an air bag.
In order to solve the technical problems, the radial artery compressor comprises an air bag compressor and a valve assembly, wherein the valve assembly comprises a valve body, a gas channel is arranged on the valve body, a gas outlet of the gas channel is communicated with the air bag compressor, so that gas can enter and exit the air bag compressor through the gas channel, a first valve and a second valve are arranged on the gas channel at intervals, a gas discharge temporary storage chamber is formed between the first valve and the second valve by the gas channel when the first valve and the second valve are closed at the same time, and the volume of the gas discharge temporary storage chamber is matched with the exhaust volume when the air is pumped down and depressurized.
Further, the radial artery compressor further comprises a sliding block in sliding fit with the valve body, and the first valve and the second valve are push type valves, so that when the sliding block moves to be in contact with the first valve and the second valve, the opening and closing of the first valve and the second valve can be controlled.
Further, the first valve comprises a first valve core and a first spring, the second valve comprises a second valve core and a second spring, the first spring is supported between the first valve core and the valve body, the second spring is supported between the second valve core and the valve body, so that the first spring and the second spring are extruded when the sliding block contacts the first valve core and the second valve core, and the first spring and the second spring drive the first valve core and the second valve core to reset when the sliding block is separated from the first valve core and the second valve core.
Further, the valve body is provided with a sliding groove along the extending direction of the gas channel, two sides of the top of the sliding groove are provided with sliding groove cover plates, two ends of the lower part of the sliding block are respectively provided with a front roller and a rear roller, the front roller and the rear roller are arranged below the sliding groove cover plates, and the sliding block is arranged above the sliding groove cover plates, so that the front roller and the rear roller can move under the sliding groove cover plates when the sliding block moves.
Further, the first case, the second case all include sealing post and the top apron of integrative setting, one side of gas passage sets up the spring holding groove, gas passage with set up the sealing post spliced groove that runs through between the spout, the bottom surface of spout sets up the top apron holding groove, during the assembly first spring, second spring are arranged in corresponding spring holding inslot, the bottom and the first, or the second spring contact of sealing post, sealing post passes sealing post spliced groove when the top apron is by the extrusion and seals gas piping, first, second case is by first, or the second spring jack-up when the top apron does not receive external force.
Further, the upper end face of the top cover plate is provided with an inclined transition face, the edge of the upper end face of the top cover plate is lower than the center of the upper end face of the top cover plate, so that when the first valve core and the second valve core are jacked by the first spring and the second spring, the edge of the top cover plate does not exceed the bottom face of the sliding groove, and the front roller and the rear roller can press the top cover plate when moving to be in contact with the top cover plate.
Further, the distance between the front roller and the rear roller is not smaller than the minimum distance between the first valve core and the second valve core, and the sliding block presses the first valve core or the second valve core through the front roller and the rear roller; the distance limiting can enable at least one valve core in the first valve core and the second valve core to be in a cut-off state when the sliding block slides between the first valve core and the second valve core, and the possibility that the whole gas channel is communicated with the outside is avoided.
Further, a movable limiting block is arranged on the valve body, so that the sliding block can be blocked and limited by the limiting block after the sliding block moves to the front roller and the rear roller are separated from the first valve core and the second valve core.
Further, anti-skid lines are arranged on the outer side of the sliding block; the front end of the gas channel is provided with an injector joint, and the tail end of the gas channel is communicated with the air bag compressor through a hose.
The working method of the radial artery compressor comprises the following steps:
A. the balloon paddle is worn on the wrist of the patient.
B. The sliding block is moved to the front end of the sliding groove, so that the sliding block is separated from the first valve core and the second valve core, the first valve core and the second valve core are supported by the first spring and the second spring to be in an open state, the gas channel is conducted, and a proper amount of gas is injected into the air bag compressor through the injector joint so as to achieve the effect of compressing radial artery hemostasis.
C. The sliding block moves towards the rear side of the sliding groove, so that the front roller presses the first valve core to descend, the rear roller is arranged between the first valve core and the second valve core, the first valve core seals the gas channel, the second valve core is in an open state, and the exhaust gas temporary storage chamber between the first valve core and the second valve core is balanced with the air pressure in the air bag compressor.
D. When the air bag compressor needs to be deflated and depressurized, the sliding block is moved to the rear side of the sliding groove to enable the rear roller to squeeze the second valve core to descend, and the first valve core and the second valve core simultaneously seal the air channel; the sliding block is moved to the rear side of the sliding groove continuously, so that the rear roller presses the second valve core, the front roller is separated from the first valve core, the second valve core seals the gas channel, the first valve core opens the gas part temporarily stored in the exhaust gas temporary storage chamber between the first valve core and the second valve core to be discharged, and the deflation and depressurization are completed.
E. The sliding block is moved to the front side of the sliding groove, so that the sliding block is reset to the front roller to press the first valve core to descend, the rear roller is arranged between the first valve core and the second valve core, the first valve core seals the gas channel, the second valve core is in an open state, gas in the air bag compressor enters a temporary storage chamber of the exhaust gas between the first valve core and the second valve core, and the air pressure between the air bag compressor and the temporary storage chamber of the exhaust gas is balanced again.
F. And (3) repeating the step D and the step E when the deflation, depressurization and air supplement are needed to be carried out again.
The invention has the technical effects that: compared with the prior art, the radial artery compressor is provided with the special valve with the two valve cores, the quantitative deflation of the air bag compressor is realized through the switching operation of the two valve cores, and medical staff and even patients can release the pressure at the radial artery by toggling the sliding block once or repeatedly, so that the nursing operation of the medical staff is greatly simplified; the sliding block is stirred to reciprocate each time, so that certain pressure in the air bag can be reduced (the specific reduced value is related to the size of a space between the first valve core and the second valve core of the air channel), compared with the traditional radial artery compressor, the deflation operation can be completed by a patient without using an injector, and the patient can operate by one hand; the setting of gyro wheel, the slider of being convenient for removes, and cooperatees with the slope transitional surface of case top apron up end for the extrusion to first case, second case of completion that the slider removes in-process can be convenient, simple structure, low cost.
Drawings
The invention is described in further detail below with reference to the drawings of the specification:
FIG. 1 is a schematic view of the valve assembly of the radial artery compressor of the present invention;
FIG. 2 is a schematic cross-sectional view of the valve assembly with the gas passage in an on state;
FIG. 3 is a schematic cross-sectional view of the first valve and the second valve in a closed state;
FIG. 4 is a schematic cross-sectional view of the valve assembly in an exhaust state;
FIG. 5 is a schematic cross-sectional view of the valve assembly in the air make-up condition.
In the figure: the injector comprises an injector joint 1, a hose 2, a valve body 3, a gas channel 301, a sliding groove 302, a transverse limiting groove 303, a first valve core 4, a second valve core 5, a first spring 6, a second spring 7, a sliding block 8, a rear roller 801 and a limiting block 9.
Description of the embodiments
Example 1 the radial artery compressor of this example includes a balloon compressor, a valve assembly, and the balloon compressor may be any of a variety of balloon compressors of the prior art, and is not shown or described herein separately.
As shown in fig. 1, the valve assembly comprises a valve body 3, a gas channel 301 is longitudinally arranged on the valve body 3, and a syringe connector 1 is arranged at the gas inlet of the gas channel 301 and is used for being connected with an external syringe; the air outlet of the air channel 301 is communicated with the air bag compressor through the hose 2, so that air can enter and exit the air bag compressor through the air channel 301, the air bag compressor is inflated through the injector joint 1 during inflation, and the air in the air bag compressor flows out through the injector joint 1 during deflation.
The gas channel 301 is provided with a first valve and a second valve which can separate the gas channel 301 at intervals, so that when the first valve and the second valve are closed simultaneously, the gas channel 301 forms a temporary gas discharge chamber between the first valve and the second valve, and the volume of the temporary gas discharge chamber is matched with the exhaust volume during the pumping and the depressurization. The valve body 3 is provided with a chute along the extending direction of the gas channel 301, two sides of the top of the chute 302 are provided with chute cover plates, and a gap is reserved between the two chute cover plates.
Specifically, the radial artery compressor further comprises a sliding block 8 in sliding fit with the valve body 3, and the first valve and the second valve are push-type valves, so that when the sliding block 8 moves to be in contact with the first valve and the second valve, the opening and the closing of the first valve and the second valve can be controlled; the first valve comprises a first valve core 4 and a first spring 6, the second valve comprises a second valve core 5 and a second spring 7, the first spring 6 is supported between the first valve core 4 and the valve body 3, the second spring 7 is supported between the second valve core 5 and the valve body 3, so that when the sliding block 8 is in contact with the first valve core 4 and the second valve core 5, the first spring 6 and the second spring 7 are extruded, and when the sliding block 8 is separated from the first valve core 4 and the second valve core 5, the first spring 6 and the second spring 7 drive the first valve core 4 and the second valve core 5 to reset. The first valve core 4 and the second valve core 5 comprise sealing columns and top cover plates which are integrally arranged, a spring accommodating groove is formed in one side of the gas channel 301, a penetrating sealing column inserting groove is formed between the gas channel 301 and the sliding groove 302, a top cover plate accommodating groove is formed in the bottom surface of the sliding groove 302, the first spring 6 and the second spring 7 are arranged in the corresponding spring accommodating grooves during assembly, the bottom ends of the sealing columns are in contact with the corresponding first spring 6 or the second spring 7, the sealing columns penetrate through the sealing column inserting groove to seal the gas pipeline 301 when the top cover plates are extruded, and the first valve core 4 and the second valve core 5 are jacked up by the corresponding first spring 6 or the second spring 7 when the top cover plates are not subjected to external force; the front roller and the rear roller 801 are respectively arranged at two ends of the lower part of the sliding block 8, the front roller and the rear roller 801 are respectively connected with the bottom end fixing of the sliding block 8 through brackets, the brackets penetrate through gaps between two sliding groove cover plates, and the sliding block 8 is arranged above the sliding groove cover plates, so that the front roller and the rear roller 801 can move under the sliding groove cover plates when the sliding block 8 is moved.
The up end of top apron sets up the slope transitional surface, the slope transitional surface is arc transitional surface, namely top apron is the frustum type setting, or the slope transitional surface is the plane slope transition, so that the edge of top apron up end is less than the center of top apron up end, when first case 4, second case 5 are by corresponding first spring 6, second spring 7 jack-up, the top of top apron is spacing by the spout apron, and the edge of top apron does not exceed the bottom surface of spout 302, so that preceding gyro wheel, back gyro wheel 801 move to when being in contact with the top apron or back gyro wheel 801 can press to the top apron along the slope transition.
The distance between the front roller and the rear roller 801 is not smaller than the minimum distance between the first valve core 4 and the second valve core 5, and the sliding block 8 presses the corresponding first valve core 4 or second valve core 5 through the front roller and the rear roller 801; this distance limitation can make at least one of the first valve core 4 and the second valve core 5 be in a cut-off state when the slider 8 slides between the first valve core 4 and the second valve core 5, thereby avoiding the possibility that the whole gas channel is communicated with the outside.
The movable limiting block 9 is arranged on the valve body 3, the transverse limiting groove 303 perpendicular to the sliding groove 302 is arranged on the valve body 3 in the transverse direction, the limiting block 9 can move along the transverse limiting groove 303, and when the sliding block 9 moves to a designated position, for example, after the front roller and the rear roller 801 are separated from the first valve core 4 or the second valve core 5, the limiting block 9 can be moved out to block and limit the sliding block 8, so that misoperation is avoided.
In order to facilitate the control of the sliding block 8, the outer side of the sliding block 8 is provided with anti-skid lines.
Examples
The working method of the radial artery compressor comprises the following steps:
A. the balloon paddle is worn on the wrist of the patient.
B. The limiting block 9 is moved into the transverse limiting groove 303 so that the limiting block 9 is far away from the sliding groove 302, the sliding block 8 is moved to the front end of the sliding groove 302, the sliding block 8 is separated from the first valve core 4 and the second valve core 5, the first valve core 4 and the second valve core 5 are supported by the first spring 6 and the second spring 7 to be in an open state, the gas channel 301 is conducted, and as shown in fig. 2, a proper amount of gas (for example, 20ml, specific data can be different according to different air bag compressors) is injected into the air bag compressor through the injector connector 1, so that the effect of compressing radial artery hemostasis is achieved, and the position of the sliding block 8 corresponds to an empty gear.
C. The sliding block 8 moves towards the rear side of the sliding groove 302 so that the front roller presses the first valve core 4 to descend, the rear roller 801 is arranged between the first valve core 4 and the second valve core 5, at the moment, the first valve core 4 seals the air channel 301, the air bag compressor is kept at set air pressure, the second valve core 5 is in an open state, as shown in fig. 5, the air pressure in the air bag compressor and the exhaust air temporary storage chamber between the first valve core 4 and the second valve core 5 are balanced, and at the moment, the position of the sliding block 8 is a working gear.
D. When the air bag compressor needs to be deflated and depressurized, generally about 4 hours after operation, the sliding block 8 is moved to the rear side of the sliding groove 302 to enable the rear roller 801 to squeeze the second valve core 5 to descend, at the moment, the first valve core 4 and the second valve core 5 simultaneously seal the air channel 301, as shown in fig. 3, a certain volume of air is stored in the air discharge temporary storage chamber between the first valve core 4 and the second valve core 5, and the air pressure of the air discharge temporary storage chamber is higher than the external pressure; continuing to move the slide block 8 toward the rear side of the chute 302 so that the rear roller 801 presses the second valve core 5 and the front roller is separated from the first valve core 4, at this time, the second valve core 5 closes the gas channel 301, the first valve core 4 opens to discharge (typically, 2 ml) the gas part temporarily stored in the exhaust gas temporary storage chamber between the first valve core 4 and the second valve core 5 until the pressure of the exhaust gas temporary storage chamber is balanced with the external pressure, as shown in fig. 4, the deflation and depressurization are completed, and at this time, the position of the slide block 8 is the exhaust gear.
E. In order to realize multiple times of exhaust, the exhaust gas temporary storage chamber needs to be supplemented with air by an air bag compressor, and the sliding block 8 is moved to the front side of the sliding groove 302 in a specific operation mode, so that the sliding block 8 is reset to the front roller to compress the first valve core 4 to descend, the rear roller 801 is arranged between the first valve core 4 and the second valve core 5, as shown in fig. 5, at the moment, the first valve core 4 seals the air channel 301, the second valve core 5 is in an open state, and air in the air bag compressor enters the exhaust gas temporary storage chamber between the first valve core 4 and the second valve core 5, so that air pressure between the air bag compressor and the exhaust gas temporary storage chamber is balanced again.
F. And (3) repeating the step D and the step E when the deflation, depressurization and air supplement are needed to be carried out again.
It is obvious that the radial artery compressor of this embodiment can reduce certain pressure inside the air bag compressor (the specific reduced value is related to the space between the first valve core 4 and the second valve core 5 of the air channel 301) by toggling the sliding block 8 once each time between the working gear and the deflation gear, so that the radial artery compressor is convenient to operate, simple in structure and low in cost.
It is apparent that the above examples are merely illustrative of the present invention and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious changes and modifications which come within the spirit of the invention are desired to be protected.
Claims (4)
1. The radial artery compressor is characterized by comprising an air bag compressor and a valve assembly, wherein the valve assembly comprises a valve body, a gas channel is arranged on the valve body, a gas outlet of the gas channel is communicated with the air bag compressor so that gas can enter and exit the air bag compressor through the gas channel, a first valve and a second valve are arranged on the gas channel at intervals, so that a gas channel forms a temporary gas discharge chamber between the first valve and the second valve when the first valve and the second valve are closed at the same time, and the volume of the temporary gas discharge chamber is matched with the exhaust volume when the air is exhausted and reduced in pressure;
the radial artery compressor is characterized by further comprising a sliding block which is in sliding fit with the valve body, wherein the first valve and the second valve are push-type valves, so that when the sliding block moves to be in contact with the first valve and the second valve, the opening and the closing of the first valve and the second valve can be controlled;
the valve body is provided with a sliding groove along the extending direction of the gas channel, two sides of the top of the sliding groove are provided with sliding groove cover plates, two ends below the sliding block are respectively provided with a front roller and a rear roller, the front roller and the rear roller are arranged below the sliding groove cover plates, and the sliding block is arranged above the sliding groove cover plates, so that the front roller and the rear roller can move under the sliding groove cover plates when the sliding block moves;
the first valve core and the second valve core comprise sealing columns and top cover plates which are integrally arranged, a spring accommodating groove is formed in one side of the gas channel, a penetrating sealing column inserting groove is formed between the gas channel and the sliding groove, a top cover plate accommodating groove is formed in the bottom surface of the sliding groove, the first spring and the second spring are arranged in the corresponding spring accommodating grooves during assembly, the bottom end of the sealing column is contacted with the first spring or the second spring, the sealing column penetrates through the sealing column inserting groove to seal the gas pipeline when the top cover plate is extruded, and the first valve core and the second valve core are jacked up by the first spring or the second spring when the top cover plate is not subjected to external force.
2. The radial artery compressor of claim 1, wherein a distance between the front roller and the rear roller is not less than a minimum distance between the first valve element and the second valve element, and the slider presses the first valve element or the second valve element through the front roller and the rear roller.
3. The radial artery compressor of claim 2, wherein a movable stop block is provided on the valve body;
the outer side of the sliding block is provided with anti-skid lines; the front end of the gas channel is provided with an injector joint, and the tail end of the gas channel is communicated with the air bag compressor through a hose.
4. A method of operating a radial artery compressor according to claim 3, comprising the steps of:
the sliding block is moved to the front end of the sliding groove, so that the sliding block is separated from the first valve core and the second valve core, the first valve core and the second valve core are supported by the first spring and the second spring to be in an open state, the gas channel is conducted, and a proper amount of gas is injected into the airbag compressor through the injector joint;
the sliding block is moved to the rear side of the sliding groove, so that the front roller presses the first valve core to descend, the rear roller is arranged between the first valve core and the second valve core, the first valve core seals the gas channel, the second valve core is in an open state, and the gas discharge temporary storage chamber between the first valve core and the second valve core is balanced with the gas pressure in the air bag compressor;
when the air bag compressor needs to be deflated and depressurized, the sliding block is moved to the rear side of the sliding groove to enable the rear roller to squeeze the second valve core to descend, and the first valve core and the second valve core simultaneously seal the air channel; continuing to move the sliding block towards the rear side of the sliding groove so that the rear roller presses the second valve core and the front roller is separated from the first valve core, at the moment, the second valve core seals the gas channel, the first valve core opens to discharge the gas part temporarily stored in the exhaust gas temporary storage chamber between the first valve core and the second valve core, and the deflation and depressurization are completed;
moving the sliding block to the front side of the sliding groove so that the sliding block is reset to the front roller to press the first valve core to descend, and the rear roller is arranged between the first valve core and the second valve core, wherein the first valve core seals the gas channel, the second valve core is in an open state, gas in the air bag compressor enters a gas discharge temporary storage chamber between the first valve core and the second valve core, and the gas pressure between the air bag compressor and the gas discharge temporary storage chamber is balanced again;
and (3) repeating the step D and the step E when the deflation, depressurization and air supplement are needed to be carried out again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311461684.0A CN117679109A (en) | 2019-02-21 | 2019-02-21 | Radial artery compressor convenient to operate and low in cost and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311461684.0A CN117679109A (en) | 2019-02-21 | 2019-02-21 | Radial artery compressor convenient to operate and low in cost and working method thereof |
| CN201910129745.0A CN109758202B (en) | 2019-02-21 | 2019-02-21 | Radial artery compressor and working method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910129745.0A Division CN109758202B (en) | 2019-02-21 | 2019-02-21 | Radial artery compressor and working method thereof |
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| CN117679109A true CN117679109A (en) | 2024-03-12 |
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| CN202311461684.0A Pending CN117679109A (en) | 2019-02-21 | 2019-02-21 | Radial artery compressor convenient to operate and low in cost and working method thereof |
| CN202311461677.0A Pending CN117679108A (en) | 2019-02-21 | 2019-02-21 | Radial artery compressor easy to control |
| CN201910129745.0A Active CN109758202B (en) | 2019-02-21 | 2019-02-21 | Radial artery compressor and working method thereof |
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| CN202311461677.0A Pending CN117679108A (en) | 2019-02-21 | 2019-02-21 | Radial artery compressor easy to control |
| CN201910129745.0A Active CN109758202B (en) | 2019-02-21 | 2019-02-21 | Radial artery compressor and working method thereof |
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| CN206146608U (en) * | 2016-11-08 | 2017-05-03 | 泸州北方化学工业有限公司 | Packing box seal tightness test device |
| CN206548564U (en) * | 2016-11-23 | 2017-10-13 | 王晓玲 | A kind of automatic pressure reducing radial artery hemostat |
| CN208107231U (en) * | 2018-01-19 | 2018-11-16 | 郑州宇通客车股份有限公司 | A kind of Bidirectional Air Valve and the wheel using the Bidirectional Air Valve |
| CN108913597B (en) * | 2018-04-12 | 2021-09-10 | 江苏大学 | Carbon dioxide concentration control method and device for microfluidic cell culture |
-
2019
- 2019-02-21 CN CN202311461684.0A patent/CN117679109A/en active Pending
- 2019-02-21 CN CN202311461677.0A patent/CN117679108A/en active Pending
- 2019-02-21 CN CN201910129745.0A patent/CN109758202B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109758202A (en) | 2019-05-17 |
| CN109758202B (en) | 2023-09-15 |
| CN117679108A (en) | 2024-03-12 |
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