CN214965875U - Intelligent central venous pressure measuring instrument based on ultrasonic positioning - Google Patents
Intelligent central venous pressure measuring instrument based on ultrasonic positioning Download PDFInfo
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- CN214965875U CN214965875U CN202120785273.7U CN202120785273U CN214965875U CN 214965875 U CN214965875 U CN 214965875U CN 202120785273 U CN202120785273 U CN 202120785273U CN 214965875 U CN214965875 U CN 214965875U
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- venous pressure
- central venous
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Abstract
The utility model provides an intelligent central venous pressure measuring instrument based on ultrasonic localization, including connecting block, telescopic link and caliber, ultrasonic probe link and telescopic link are connected respectively to the both ends of connecting block, are provided with the distancer on the caliber, first indicator and display, the utility model discloses simple structure, reasonable in design for the quick accurate measurement of central venous pressure, have simple to use, simple operation's characteristics, and measure the central venous pressure numerical accuracy that obtains and high, install on ultrasonic probe through the ultrasonic probe link, when the horizontal body surface projection point of the right atrium central point of supersound location testee and end of expiration right side internal jugular vein collapse point, can accomplish the measurement of central venous pressure, need not to measure separately.
Description
Technical Field
The utility model relates to a medical care measuring instrument technical field, especially an intelligent central venous pressure measuring instrument based on ultrasonic localization.
Background
The Central Venous Pressure (CVP) is the pressure of the upper and lower vena cava entering the right atrium, and the measurement of the central venous pressure is significant for understanding the systemic circulation blood volume and the cardiac function, and the normal value is 4-12cmH2o, guiding clinical fluid infusion is a very important monitoring index for critical patients. Central venous catheter placement is the "gold standard" for CVP measurement, however central venous catheter placement is invasive and has certain specifications and is often not performed conditionally in emergency situations. It is necessary to select a simple and convenient technique for estimating CVP that is noninvasive, fast, reliable and practical.
The non-invasive measurement of central venous pressure (internal jugular vein closed point method) based on ultrasonic location is based on human own vein as the measuring tube according to the communicating vessel principle, and the blood column height of the internal jugular vein is used for counting CVP. CVP actually refers to the liquid pressure at the junction of the vena cava and the atrium, an ultrasonic instrument is adopted to position the collapse point of the right jugular vein at the end of expiration of a testee and the horizontal projection point of the body surface at the center of the right atrium, the vertical distance between the collapse point and the horizontal projection point is the CVP, and the unit cmH2o. Clinical medical personnel often use the ruler measurement to confirm now, and this kind of measurement mode is simple not to have the wound, but the measurement manipulation technique that relies on medical personnel very much, and repeatability is poor, has the great defect of error, consequently, need to design a simple operation, and measure accurate measuring tool, overcome defect and the problem that exists in the central venous pressure measurement process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, a intelligent central venous pressure measuring instrument based on supersound location is proposed.
The specific technical scheme is as follows:
the intelligent central venous pressure measuring instrument based on ultrasonic positioning is characterized by comprising a connecting block, a telescopic connecting rod and a measuring device, wherein one end of the connecting block is fixedly connected with an ultrasonic probe connecting frame, the other end of the connecting block is fixedly connected with one end of the telescopic connecting rod, the telescopic end of the telescopic connecting rod is fixedly connected with the measuring device, the measuring device is provided with a distance meter, a first indicator and a display, the probe position of the distance meter is located on the lower end face of the measuring device, the first indicator is arranged on one side of the distance meter, and the display is arranged on the side face of the measuring device.
The intelligent central venous pressure measuring instrument based on ultrasonic positioning is characterized in that the central axis of the connecting block is perpendicular to the central axis of the telescopic connecting rod and is in the same plane.
The intelligent central venous pressure measuring instrument based on ultrasonic positioning is characterized in that a first level gauge is fixedly arranged on the upper end face of the connecting block, and a second level gauge is fixedly arranged on the upper end face of the measurer.
The intelligent central venous pressure measuring instrument based on ultrasonic positioning is characterized in that the telescopic connecting rod is an electric telescopic rod, a second indicator is arranged at the lower end of the connecting block, the second indicator and the first indicator are both laser indicators, and lenses for linearly diverging visible laser are arranged at the transmitting ends of the second indicator and the first indicator.
The intelligent central venous pressure measuring instrument based on ultrasonic positioning is characterized in that the first level meter and the second level meter are both hemispherical level meters.
The utility model has the advantages that:
the utility model provides an intelligent central venous pressure measuring instrument based on ultrasonic localization, including connecting block, telescopic link and caliber, ultrasonic probe link and telescopic link are connected respectively to the both ends of connecting block, are provided with the distancer on the caliber, first indicator and display, the utility model discloses simple structure, reasonable in design for the quick accurate measurement of central venous pressure, have simple to use, simple operation's characteristics, and measure the central venous pressure numerical accuracy that obtains and high, install on ultrasonic probe through the ultrasonic probe link, when the horizontal body surface projection point at right atrium center of the heart of supersound location testee and end of expiration right side internal jugular vein collapse point, can accomplish the measurement of central venous pressure, need not to measure separately.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a bottom view of the present invention.
Fig. 3 is a schematic diagram of a measurer (embodiment two).
Fig. 4 is a schematic diagram of measurement by a measurer (embodiment two).
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the embodiment below the utility model discloses it is further described, any right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope.
Example one
The intelligent central venous pressure measuring instrument based on ultrasonic positioning is characterized by comprising a connecting block 1, a telescopic connecting rod 2 and a measurer 3, wherein one end of the connecting block 1 is fixedly connected with an ultrasonic probe connecting frame 4, the other end of the connecting block is fixedly connected with one end of the telescopic connecting rod 2, the telescopic end of the telescopic connecting rod 2 is fixedly connected with the measurer 3, the measurer 3 is provided with a distance meter 5, a first indicator 6 and a display 7, the probe position of the distance meter 5 is located at the lower end face of the measurer 3, the first indicator 6 is arranged on one side of the distance meter 5, and the display 7 is arranged on the side face of the measurer 3;
the middle shaft of the connecting block 1 is perpendicular to the middle shaft of the telescopic connecting rod 2 and is in the same plane, a first level gauge 8 is fixedly arranged on the upper end face of the connecting block 1, a second level gauge 9 is fixedly arranged on the upper end face of the measurer 3, the telescopic connecting rod 2 is an electric telescopic rod, a second indicator 10 is arranged at the lower end of the connecting block 1, the second indicator 10 and the first indicator 6 are both laser indicators, lenses for linearly diverging visible laser light are arranged at the emitting ends of the second indicator 10 and the first indicator 6, and the first level gauge 8 and the second level gauge 9 are both hemispherical level gauges;
the working method of the measuring instrument of the embodiment is as follows:
before use, the measuring instrument is arranged on an ultrasonic probe through an ultrasonic probe connecting frame, and a testee is in a semi-lying position with high head and low feet;
subsequently, the right atrium center point of the subject is detected using the ultrasonic probe, and the connecting block is leveled (the level is observed by the first level meter); after the right atrium central point is determined, the second indicator is started, visible laser of a vertical surface is emitted, a linear mark (the linear mark is matched with the right atrium central point and is positioned at the same horizontal height) is mapped on the body of a testee, so that a horizontal body surface projection line of the right atrium central point is determined, and then a marking pen (or other markers) is used for marking out a marking line along the linear mark;
then, detecting the collapse point of the right internal jugular vein at the end-expiratory side of the testee by using an ultrasonic probe, and rotating the telescopic connecting rod to enable the measurer to be horizontal (observing the level through a second level meter); after the collapse point of the internal jugular vein is determined, the first indicator and the range finder work, the telescopic connecting rod horizontally stretches, so that visible laser emitted by the first indicator is matched with a marking line (corresponding to the central point of the right atrium), the range finder measures the vertical distance, the numerical value of the distance is converted into a numerical value of the central venous pressure, and the numerical value is displayed on the display;
at the moment, the measurement of the central venous pressure is finished once;
the intelligent central venous pressure measuring instrument based on ultrasonic positioning that this embodiment provided, simple to use, the simple operation, and the central venous pressure numerical value accuracy that the measurement obtained is high, installs on ultrasonic probe through the ultrasonic probe link, when the horizontal body surface projection point at the right atrium center of ultrasonic positioning testee and last right side internal jugular vein collapse point, can accomplish the measurement of central venous pressure, need not to measure separately.
The horizontal state is observed through the first level meter and the second level meter, and the horizontal state display is more visual and accurate.
Example two
The intelligent central venous pressure measuring instrument based on ultrasonic positioning is provided by the embodiment, wherein a distance meter 7 and a first indicator 8 are integrated into a whole, the rotation is controlled by a rotating device, and an angle sensor is arranged in a measurer 3 and senses the rotating angles of the distance meter 7 and the first indicator 8;
the scheme has the functional characteristics that the distance measuring instrument and the first indicator can be electrically controlled to synchronously rotate, and the rotating angle of the distance measuring instrument and the first indicator is sensed; when in use, the expansion degree of the expansion connecting rod does not need to be adjusted frequently; after the marking line is marked and the collapse point of the internal jugular vein is determined, the visible laser emitted by the first indicator can be matched with the marking line (marked as X line) only by controlling the distance meter 7 and the first indicator 8 to rotate, and the distance measured by the distance meter is an oblique distance;
as shown in fig. 3 and 4, setting the vertical distance to be measured as a, the measured oblique distance as B, the observation direction of the distance meter and the rotation angle of the first indicator as α (obtained by sensing of the angle sensor), and knowing sin α as a: B, after conversion, obtaining a specific value of a, and after conversion, obtaining a central venous pressure value;
in this embodiment, can set up the vision camera in distancer 7 and 8 departments of first indicator for the discernment mark line makes 7 distancer and 8 autogirations of first indicator to suitable angle, accomplishes the identical of mark line automatically, realizes the measurement of central venous pressure numerical value fast.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides an intelligent central venous pressure measuring instrument based on ultrasonic localization, its characterized in that, includes connecting block (1), telescopic link (2) and caliber (3), the one end and the ultrasonic probe link (4) fixed connection of connecting block (1), the one end fixed connection of the other end and telescopic link (2), the flexible end and caliber (3) fixed connection of telescopic link (2), be provided with distancer (5), first indicator (6) and display (7) on caliber (3), the probe position of distancer (5) is located caliber (3) lower terminal surface department, first indicator (6) set up in distancer (5) one side, display (7) set up in caliber (3) side department.
2. An intelligent central venous pressure measuring instrument based on ultrasonic positioning as claimed in claim 1, characterized in that the central axis of the connecting block (1) is perpendicular to the central axis of the telescopic connecting rod (2) and in the same plane.
3. An intelligent central venous pressure measuring instrument based on ultrasonic positioning as claimed in claim 1, characterized in that a first level gauge (8) is fixedly arranged on the upper end face of the connecting block (1), and a second level gauge (9) is fixedly arranged on the upper end face of the measurer (3).
4. The intelligent central venous pressure measuring instrument based on ultrasonic positioning as claimed in claim 3, characterized in that the telescopic connecting rod (2) is an electric telescopic rod, the lower end of the connecting block (1) is provided with a second indicator (10), the second indicator (10) and the first indicator (6) are both laser indicators, and the emitting ends of the second indicator (10) and the first indicator (6) are both provided with a lens for linearly diverging visible laser light.
5. An intelligent central venous pressure measuring instrument based on ultrasonic positioning according to claim 4, characterized in that the first level (8) and the second level (9) are hemispherical levels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120785273.7U CN214965875U (en) | 2021-04-16 | 2021-04-16 | Intelligent central venous pressure measuring instrument based on ultrasonic positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120785273.7U CN214965875U (en) | 2021-04-16 | 2021-04-16 | Intelligent central venous pressure measuring instrument based on ultrasonic positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214965875U true CN214965875U (en) | 2021-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120785273.7U Expired - Fee Related CN214965875U (en) | 2021-04-16 | 2021-04-16 | Intelligent central venous pressure measuring instrument based on ultrasonic positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214965875U (en) |
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2021
- 2021-04-16 CN CN202120785273.7U patent/CN214965875U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |