CN208319195U - Central venous pressure Zero calibration device - Google Patents
Central venous pressure Zero calibration device Download PDFInfo
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- CN208319195U CN208319195U CN201720574481.6U CN201720574481U CN208319195U CN 208319195 U CN208319195 U CN 208319195U CN 201720574481 U CN201720574481 U CN 201720574481U CN 208319195 U CN208319195 U CN 208319195U
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- zero
- cvp
- threaded rod
- pointer
- staff
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Abstract
The utility model proposes a kind of central venous pressure Zero calibration devices, scale is pressed including surveying, zero-point positioning ruler and CVP surveyors' staff, it is vertically arranged to survey pressure scale, the zero-point positioning ruler, which is set to, to be surveyed on pressure scale, the medium position of the CVP surveyors' staff is provided with liquid water level, furthermore, elevating lever is provided on the survey pressure scale, the elevating lever is equipped with the pointer gone up and down with bar, it is directed toward zero-point positioning ruler in the tip of the pointer, and hold with pointer tip the first end that capable position connect CVP surveyors' staff on the tail end of the pointer level with both hands, CVP surveyors' staff second end is used to be aligned the datum mark of the 4th intercostal of people's midaxillary line, the liquid water level is cylindrical bubbles instrument.The utility model is easy to use, economical and practical, can avoid medical staff to the subjectivity of zero point correction, it ensure that the accuracy and confidence level of measurement result simultaneously, relative to range estimation and the measurement of simple ruler, the present apparatus greatly reduces zero point error, has stronger Clinical practicability.
Description
Technical field
The utility model relates to field of medical auxiliary equipment, particularly relate to a kind of central venous pressure Zero calibration device.
Background technique
Central venous pressure (Central Venous Pressure, abbreviation CVP) is the pressure of the big vein of proximal part, such as right
The pressure of atrium and superior and inferior vena cave thoracic cavity section.CVP can determine whether the comprehensive condition of patient's blood volume, heart function and antiotasis,
Clinically commonly use CVP measurement monitoring peripheral circulation and cardiac pump function state.By the way that CVP numerical value change is observed continuously, processing is stopped
Gram situations such as have great importance.
Central vein nose bar is a kind of CVP measuring tool, in CVP measurement, will be used to connect the ductus venosus of patient
After pressure-measuring pipe is mounted on central vein nose bar, need to carry out the zero-point positioning processing of central vein nose bar, it is specific with human body one
Point on the basis of position (such as the 4th intercostal of midaxillary line) makes central vein nose bar scale zero and the datum in same level
Face, to improve CVP measurement Numerical accuracy.Open measurement method is easy to operate using easy, it is desirable that conditioning apparatus not
Height, especially suitable for public ward and different medical unit.
Existing central vein nose bar often through range estimation, or using central vein nose bar zero point and datum mark it
Between place a ruler, so that ruler is in horizontal plane, with complete central vein nose bar zero-point positioning processing.But common survey ruler
There is horizontal pole length in the measurements not enough and cannot be bent, to influence the accuracy of CVP measurement result, and then influences patient
The judgement and normal therapeutic of the state of an illness.
In the prior art there is also some devices or tool convenient for measuring center vein pressure Zero calibration, but it is existing
Measuring tool is not especially accurate and time-consuming and laborious.
Utility model content
In view of this, technical problem to be solved in the utility model, exactly proposes a kind of central venous pressure Zero calibration
Device.
In order to solve the above technical problems, the utility model is achieved using following technical scheme:
A kind of central venous pressure Zero calibration device, including pressure scale, zero-point positioning ruler and CVP surveyors' staff are surveyed, it is described
It is vertically arranged to survey pressure scale, the zero-point positioning ruler, which is set to, to be surveyed on pressure scale, and the medium position of the CVP surveyors' staff is arranged
There is liquid water level, in addition, being provided with elevating lever on survey pressure scale, the elevating lever is equipped with the pointer gone up and down with bar,
Zero-point positioning ruler is directed toward at the tip of the pointer, and is held capable position level with both hands with pointer tip on the tail end of the pointer and connect CVP survey
The first end of scale is measured, CVP surveyors' staff second end is used to be aligned the datum mark of the 4th intercostal of people's midaxillary line, the liquid water
Level is cylindrical bubbles instrument.
Preferably, the elevating lever is threaded rod, and the threaded rod is fixed by the bracket on surveying pressure scale, and is propped up
Frame includes upper bracket and lower bracket, and threaded hole is designed in the upper bracket and lower bracket, and the threaded rod revolves in threaded hole
Turn lifting.
Preferably, the tail end of the pointer is equipped with sleeve, and the sleeve is sheathed on threaded rod, and the internal diameter of sleeve
Greater than the diameter of threaded rod, meanwhile, threaded rod be equipped with upper limit protrusion and lower limit protrusion, sleeve be set to upper limit protrusion and
Between lower limit protrusion.Upper and lower limits protrusion limits sleeve, to guarantee pointer with the rotation or up or down of threaded rod
Ground is moved, and sleeve diameter is greater than the diameter of threaded rod, to guarantee that sleeve will not be rotated with the rotation of threaded rod.
Preferably, the threaded rod upper end is equipped with rotating handles, convenient for the rotation process of threaded rod.
Preferably, firm banking is equipped with below the survey pressure scale.
Compared with prior art, the utility model has the beneficial effect that
(1) the utility model materials are easy, and production is simple, easy to use, economical and practical.
(2) the utility model is suitable for being zero point correction when all patients carry out central venous pressure detection.
(3) the utility model avoids medical staff to the subjectivity of zero point correction, while ensure that the accurate of measurement result
Property and confidence level, relative to range estimation and the measurement of simple ruler, the present apparatus greatly reduces zero point error, has stronger clinical real
The property used.
(4) the utility model has the characteristics that installation is simple, is easy storage, is hardly damaged.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the preferred embodiment in the utility model；
Fig. 2 is the partial structural diagram of Fig. 1.
Specific embodiment
The utility model is got information about to allow those skilled in the art to be more clear, below in conjunction with attached drawing, to this
Utility model is further described.
It is as illustrated in fig. 1 and 2 the preferred embodiment of the utility model.
A kind of central venous pressure Zero calibration device, including pressure scale 1, zero-point positioning ruler 2 and CVP surveyors' staff 3 are surveyed,
It surveys pressure scale 1 to be vertically arranged on firm banking 4, zero-point positioning ruler 2, which is set to, to be surveyed on pressure scale 1, the middle part of CVP surveyors' staff 3
Position is provided with liquid water level 5, is provided with threaded rod 6 in addition, surveying on pressure scale 1, threaded rod 6 is equipped with the finger gone up and down with bar
Zero-point positioning ruler 2 is directed toward at the tip of needle 7, pointer 7, and position connection CVP parallel with 7 tip of pointer on the tail end of pointer 7 is surveyed
The first end of scale 3 is measured, 3 second end of CVP surveyors' staff is used to be aligned the datum mark of the 4th intercostal of people's midaxillary line, liquid water level
5 be cylindrical bubbles instrument.
In the present embodiment, threaded rod 6 is fixed on survey pressure scale 1 by bracket 8, and bracket 8 includes upper bracket 81 under
It is designed with threaded hole on bracket 82, upper bracket 801 and lower bracket 802, the rotation and lifting in threaded hole of threaded rod 6, for the ease of
The rotation process of threaded rod 6,6 upper end of threaded rod are additionally provided with rotating handles 601.The tail end of pointer 7 is equipped with sleeve 9, and sleeve 9 is arranged
In on threaded rod 6, and the internal diameter of sleeve 9 is greater than the diameter of threaded rod 6, meanwhile, threaded rod 6 is equipped with 10 He of upper limit protrusion
Lower limit protrusion 11, sleeve 9 are set between upper limit protrusion 10 and lower limit protrusion 11.Upper limit protrusion 10 and lower limit are prominent
11 pairs of sleeves 9 are played to limit, thus guarantee that pointer 7 is moved with the rotation of threaded rod 6 or up or down, 9 internal diameter of sleeve
Greater than the diameter of threaded rod 6, to guarantee that sleeve 9 will not be rotated with the rotation of threaded rod 6.
3 second end 302 of CVP surveyors' staff when in use, is first directed at the datum mark of the 4th intercostal of people's midaxillary line by the present apparatus,
Then rotating threaded rod 6 make the bubble in liquid water level 5 reach center and stop the rotation of threaded rod 6, at this point, CVP is surveyed
The reading measured on the zero-point positioning ruler 2 that the pointer 7 in 3 first end 301 of scale is directed toward is central venous pressure zero point, can also root
Addition is given according to corresponding numerical value on surveying pressure scale 1 or is subtracted each other.CVP surveyors' staff 3 is wrapped in by the present apparatus when not in use
It surveys on pressure scale 1, storage is convenient, using without too many operation.
The production and use of present apparatus CVP surveyors' staff: simple gas bubble level meter (cylindrical bubbles instrument) 1,3M wide glue
One, band, it is about 30cm, wide 3cm.
1. production:
3M wide adhesive tape viscosity is placed upwardly, simple gas bubble level meter is put in adhesive plaster center position, and then adhesive plaster turns down
For long 30cm, wide 1.5cm, while encasing level meter.
2 application methods:
It in the 4th intercostal trace mark of midaxillary line, is affixed at the mark with one end of CVP surveyors' staff, exceptionally straight adhesive tape is simultaneously adjusted
The height of the whole adhesive tape other end, makes the bubble in Simple spirit level rest on center scale, at this time the other end of CVP surveyors' staff
The corresponding scale in zero-point positioning ruler is zero point numerical value.Zero point numerical value, as CVP are subtracted with the practical numerical value measured of pressure-measuring pipe
Measurement result.
The advantages of present apparatus:
It is cheap, it is simple and beautiful.Simple and quick, the collective effect of pointer and air-bubble level makes zero point fixed
Level is true.After the present apparatus is sterilized can Reusability, save the cost, alleviate patients ' expenses burden.Nurse is time saving and energy saving, improves
Working efficiency.Its is widely used, it may also be used for monitoring intra-abdominal pressure is worth clinical expansion.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (4)
1. a kind of central venous pressure Zero calibration device, which is characterized in that including surveying pressure scale, zero-point positioning ruler and CVP measurement
Scale, the survey pressure scale is vertically arranged, and the zero-point positioning ruler, which is set to, to be surveyed on pressure scale, the middle part of the CVP surveyors' staff
Position is provided with liquid water level, in addition, being provided with elevating lever on survey pressure scale, the elevating lever is equipped with and goes up and down with bar
Pointer, zero-point positioning ruler is directed toward at the tip of the pointer, and is held capable position level with both hands with pointer tip on the tail end of the pointer and connected
The first end of CVP surveyors' staff is connect, CVP surveyors' staff second end is used to be aligned the datum mark of the 4th intercostal of people's midaxillary line, described
Liquid water level is cylindrical bubbles instrument；The elevating lever is threaded rod, and the threaded rod, which is fixed by the bracket, is surveying pressure scale
On, and bracket includes upper bracket and lower bracket, threaded hole is designed in the upper bracket and lower bracket, the threaded rod is in screw thread
Rotation and lifting in hole.
2. central venous pressure Zero calibration device according to claim 1, which is characterized in that the tail end of the pointer is equipped with
Sleeve, the sleeve are sheathed on threaded rod, and the internal diameter of sleeve is greater than the diameter of threaded rod, meanwhile, threaded rod is equipped with upper
Restriction protrusion and lower limit protrusion, sleeve are set between upper limit protrusion and lower limit protrusion.
3. central venous pressure Zero calibration device according to claim 2, which is characterized in that the threaded rod upper end is equipped with
Rotating handles, convenient for the rotation process of threaded rod.
4. central venous pressure Zero calibration device according to claim 1, which is characterized in that set below the survey pressure scale
There is firm banking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720574481.6U CN208319195U (en) | 2017-05-22 | 2017-05-22 | Central venous pressure Zero calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720574481.6U CN208319195U (en) | 2017-05-22 | 2017-05-22 | Central venous pressure Zero calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208319195U true CN208319195U (en) | 2019-01-04 |
Family
ID=64786925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720574481.6U Expired - Fee Related CN208319195U (en) | 2017-05-22 | 2017-05-22 | Central venous pressure Zero calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208319195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116439668A (en) * | 2023-04-12 | 2023-07-18 | 成都维信电子科大新技术有限公司 | Positioning device of intra-abdominal pressure dynamic monitoring system |
-
2017
- 2017-05-22 CN CN201720574481.6U patent/CN208319195U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116439668A (en) * | 2023-04-12 | 2023-07-18 | 成都维信电子科大新技术有限公司 | Positioning device of intra-abdominal pressure dynamic monitoring system |
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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: 20190104 Termination date: 20210522 |