CN214906839U - Infusion tube for CVP measurement - Google Patents
Infusion tube for CVP measurement Download PDFInfo
- Publication number
- CN214906839U CN214906839U CN202120609889.9U CN202120609889U CN214906839U CN 214906839 U CN214906839 U CN 214906839U CN 202120609889 U CN202120609889 U CN 202120609889U CN 214906839 U CN214906839 U CN 214906839U
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- China
- Prior art keywords
- semi
- pressure
- clamping groove
- clamping sleeve
- pipe
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- 238000005259 measurement Methods 0.000 title claims description 25
- 238000001802 infusion Methods 0.000 title abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 66
- 238000012546 transfer Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005267 amalgamation Methods 0.000 claims abstract description 3
- 239000002504 physiological saline solution Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 230000010412 perfusion Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000005245 right atrium Anatomy 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000001746 atrial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 230000000004 hemodynamic effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an infusate pipe for CVP is measured, measure the cutting ferrule including holding liquid bag, balance pipe, transfer line, pressure-measuring pipe, stagnant water clamp, flow rate regulator and rightting, the balance pipe is located and is held the liquid bag top, balance pipe tip is equipped with the shutoff head, the transfer line is located and is held liquid bag bottom, the one end of pressure-measuring pipe is located on the transfer line and perpendicular to transfer line setting, the other end of pressure-measuring pipe is located and is held liquid bag lateral wall and lean on the top setting, the stagnant water clamp is located on the transfer line and is located and hold between liquid bag and the pressure-measuring pipe, flow rate regulator locates on the transfer line and keeps away from and hold liquid bag and pressure-measuring pipe setting, righting and measure the cutting ferrule amalgamation joint in the pressure-measuring pipe outside. The utility model belongs to the technical field of medical instrument, specifically indicate an infusion set pipe for CVP measures.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, specifically indicate an infusion set pipe for CVP measures.
Background
CVP is the abbreviation of central venous pressure, central venous pressure is the pressure of the upper and lower vena cava entering the right atrium, measure through the upper and lower vena cava or right atrium built-in tube, it reflects right atrial pressure, it is one of the main indicators of clinical observation hemodynamics, it is influenced by 3 factors of cardiac function, circulating blood volume and vascular tension, in the course of carrying on CVP measurement manually, need to use the perfusion tube of the input liquid and should measure the height of the liquid level in the perfusion tube, however the traditional perfusion tube does not have the mark such as scale, mark, etc., therefore it is inconvenient to measure the height of the liquid level in the perfusion tube, and then will increase the time that CVP measures, namely reduce the efficiency that the artificial CVP measures.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an infusion tube for CVP measurement.
In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: an infusion tube for CVP measurement comprises a liquid storage bag, a balance tube, an infusion tube, a pressure measuring tube, a water stop clamp, a flow rate regulator and a centering measuring clamping sleeve, wherein the balance tube is arranged at the top of the liquid storage bag, the end part of the balance tube is provided with a blocking head, the balance tube controls the liquid storage bag to be communicated with the external atmosphere, so that the release of physiological saline in the liquid storage bag is facilitated, meanwhile, when the infusion tube is not used, the balance tube can be blocked by the blocking head to isolate the liquid storage bag from the external air and control the retention of the physiological saline in the liquid storage bag, the infusion tube is arranged at the bottom of the liquid storage bag, one end of the pressure measuring tube is arranged on the infusion tube and is perpendicular to the infusion tube, the other end of the pressure measuring tube is arranged on the side wall of the liquid storage bag and close to the top, the water stop clamp is arranged between the liquid storage bag and the pressure measuring tube and can be used for stopping infusion to the pressure measuring tube, the flow rate regulator is arranged on the infusion tube and is far away from the liquid storage bag and the pressure measuring tube, when CVP is measured, the water stop clamp is taken down, the blocking head at the end part of the balance tube is drawn out, the liquid storage bag is communicated with the outside air, the flow rate regulator is closed, the liquid storage bag is communicated with the liquid storage bag due to the fact that the pressure in the liquid storage bag and the pressure measuring tube is balanced, after the water stop clamp is taken down, physiological saline in the liquid storage bag enters the pressure measuring tube along a liquid conveying tube, the flow rate regulator is opened simultaneously, the liquid is filled in the liquid conveying tube, then the flow rate regulator is closed, the liquid conveying tube is communicated with an insertion tube on a patient body, CVP measurement can be conducted, the centering measurement clamping sleeve is clamped and connected to the outer side of the pressure measuring tube in a splicing mode, the centering measurement clamping sleeve can enable the pressure measuring tube to be vertical, and meanwhile liquid level change in the pressure measuring tube can be measured.
Further, the centering measuring clamping sleeve comprises a first clamping sleeve and a second clamping sleeve, the upper portion of the first clamping sleeve is of a semi-cylindrical structure, the lower portion of the first clamping sleeve is of a rectangular structure, a first semi-circular clamping groove is formed in the upper portion of the first clamping sleeve, a notch is formed in the side wall of the upper portion of the first clamping sleeve and is communicated with the first semi-circular clamping groove, scales are arranged on the side wall of the first clamping sleeve and are close to the notch, a clamping column is arranged on the side wall of the first clamping sleeve, which is far away from the notch, a second semi-circular clamping groove is formed in the lower portion of the first clamping sleeve, and the first semi-circular clamping groove is communicated with the second semi-circular clamping groove and is vertically arranged; the upper part of the second clamping sleeve is of a semi-cylindrical structure, the lower part of the second clamping sleeve is of a cuboid structure, the upper part of the second clamping sleeve is provided with a semi-circular clamping groove III matched with the semi-circular clamping groove I, the bottom of the second clamping sleeve is provided with a semi-circular clamping groove IV matched with the semi-circular clamping groove II, the semi-circular clamping groove III is communicated with and vertically arranged with the semi-circular clamping groove IV, the side wall of the second clamping sleeve is provided with an embedded groove matched with the clamping column, the first clamping sleeve and the second clamping sleeve are spliced through the matching of the clamping column and the embedded groove, the pressure measuring tube is embedded in a circular groove formed by the first semi-circular clamping groove I and the third semi-circular clamping groove II, and the infusion tube is embedded in a circular groove formed by the second semi-circular clamping groove II and the semi-circular clamping groove IV, so that the pressure measuring tube can be kept vertical and the arrangement of the notch is convenient for observing the liquid level change in the pressure measuring tube, and the volume in the pressure measuring tube can be directly read out by combining with the scale, the CVP measurement efficiency is improved.
Furthermore, arc-shaped rubber pads are arranged on the inner sides of the tops of the first semicircular clamping groove and the third semicircular clamping groove, so that friction between the pressure measuring pipe and the centering measuring clamping sleeve can be increased, and the pressure measuring pipe is vertical.
Further, the side wall of the liquid storage bag is provided with a connecting pipe, the end part of the connecting pipe is provided with a rubber plug, the end part of the pressure measuring pipe is provided with a wall breaking needle, the wall breaking needle penetrates through the rubber plug and enables a wall breaking needle head to be inserted into the liquid storage bag, the communication between the pressure measuring pipe and the liquid storage bag is achieved, the pressure measuring pipe is diversified in use due to the structures, and the CVP can be measured by using the pressure measuring pipe under the condition that physiological saline in the liquid storage bag cannot meet the requirement of repeated measurement for many times.
Furthermore, the top of the liquid storage bag is provided with a hanging lug, so that the liquid storage bag is convenient to hang.
The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a pair of be used for CVP measuring infusion set pipe, and reasonable design, through with the pressure-measuring pipe with hold the liquid bag intercommunication, balanced both sides pressure, be convenient for hold the normal saline inflow pressure-measuring pipe in the liquid bag, the design of centering measurement cutting ferrule concatenation formula, convenient dismantlement, simultaneously with the pressure-measuring pipe centering, remain vertical state throughout, set up the arc rubber pad simultaneously, can increase the friction of centering measurement cutting ferrule and pressure-measuring pipe, make the pressure-measuring pipe be in the state of straining, with the help of the scale on a cutting ferrule lateral wall, can more accurately read corresponding numerical value, the CVP measuring result is more accurate.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an infusion tube for CVP measurement according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is an exploded view of a centering measuring sleeve of an infusion set tube for CVP measurement according to the present invention;
fig. 4 is a top view of a centering measuring sleeve of an infusion set tube for CVP measurement according to the present invention.
The device comprises a liquid storage bag 1, a liquid storage bag 2, a balance pipe 3, an infusion pipe 4, a pressure measuring pipe 5, a water stop clamp 6, a flow rate regulator 7, a centering measuring clamping sleeve 8, a blocking head 9, a first clamping sleeve, a second clamping sleeve 11, a first semicircular clamping groove, a 12, a notch 13, scales 14, a clamping column 15, a second semicircular clamping groove, a 16, a third semicircular clamping groove, a 17, a fourth semicircular clamping groove, a 18, an arc-shaped rubber pad 19, a connecting pipe 20, a rubber plug 21, a broken wall needle 22, a hanging lug 23 and an embedded groove.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model relates to an infusion set pipe for CVP is measured, including holding liquid bag 1, balance pipe 2, transfer line 3, pressure-measuring pipe 4, stagnant water clamp 5, flow rate regulator 6 and right measuring cutting ferrule 7, balance pipe 2 is located and is held liquid bag 1 top, 2 tip of balance pipe are equipped with shutoff head 8, transfer line 3 is located and is held liquid bag 1 bottom, the one end of pressure-measuring pipe 4 is located on transfer line 3 and perpendicular to transfer line 3 sets up, the other end of pressure-measuring pipe 4 is located and is held liquid bag 1 lateral wall and lean on the top setting, stagnant water clamp 5 is located on transfer line 3 and is located and hold between liquid bag 1 and the pressure-measuring pipe 4, flow rate regulator 6 is located on transfer line 3 and is kept away from and is held liquid bag 1 and pressure-measuring pipe 4 sets up, right measuring cutting ferrule 7 amalgamation joint in the pressure-measuring pipe 4 outside.
The centering measuring clamping sleeve 7 comprises a first clamping sleeve 9 and a second clamping sleeve 10, the upper portion of the first clamping sleeve 9 is of a semi-cylindrical structure, the lower portion of the first clamping sleeve 9 is of a rectangular structure, a semi-circular clamping groove I11 is formed in the upper portion of the first clamping sleeve 9, a notch 12 is formed in the side wall of the upper portion of the first clamping sleeve 9, the notch 12 is communicated with the semi-circular clamping groove I11, a scale 13 is formed in the side wall of the first clamping sleeve 9, the scale 13 is arranged close to the notch 12, a clamping column 14 is arranged on the side wall, far away from the notch 12, of the first clamping sleeve 9, a semi-circular clamping groove II 15 is formed in the lower portion of the first clamping sleeve 9, and the semi-circular clamping groove I11 is communicated with and perpendicular to the semi-circular clamping groove II 15; the upper portion of the second cutting sleeve 10 is of a semi-cylindrical structure, the lower portion of the second cutting sleeve 10 is of a cuboid structure, a semi-circular clamping groove III 16 matched with the semi-circular clamping groove I11 is formed in the upper portion of the second cutting sleeve 10, a semi-circular clamping groove IV 17 matched with the semi-circular clamping groove II 15 is formed in the bottom of the second cutting sleeve 10, the semi-circular clamping groove III 16 is communicated with the semi-circular clamping groove IV 17 and is arranged vertically, and an embedded groove 23 matched with the clamping column 14 is formed in the side wall of the second cutting sleeve 10.
And arc-shaped rubber pads 18 are arranged on the inner sides of the tops of the first semicircular clamping groove 11 and the third semicircular clamping groove 16.
The side wall of the liquid storage bag 1 is provided with a connecting pipe 19, the end part of the connecting pipe 19 is provided with a rubber plug 20, and the end part of the piezometric tube 4 is provided with a wall breaking needle 21.
The top of the liquid storage bag 1 is provided with a hanging lug 22.
When the device is used specifically, the liquid storage bag 1 is hung on a support through the hanging lug 22, the centralizing measuring clamping sleeve 7 is clamped and embedded on the pressure measuring tube 4, the pressure measuring tube 4 is in a vertical state, the wall breaking needle 21 punctures the rubber plug 20, the liquid storage bag 1 is communicated with the pressure measuring tube 4, the pressure is balanced, then the sealing head 8 at the end part of the balance tube 2 is drawn out, the water stopping clamp 5 is taken down, the physiological saline in the liquid storage bag 1 enters the pressure measuring tube 4 along the infusion tube 3, the infusion tube 3 is clamped by the water stopping clamp 5 after the liquid level in the pressure measuring tube 4 reaches a certain value, the infusion tube 3 is cut off to supply liquid to the pressure measuring tube 4, then the flow rate regulator 6 is opened to fill liquid in the infusion tube 3, then the flow rate regulator 6 is closed, then the infusion tube 3 is communicated with the insertion tube on the patient, the flow rate regulator 6 is opened, the physiological saline in the pressure measuring tube 4 rapidly descends, and when the liquid level reaches a certain level, when the measuring sleeve moves up and down along with respiration, the corresponding CVP value can be calculated according to the change of the scales 13 on the centering measuring sleeve 7; after the measurement is finished, if the back-flushing blood is left in the pressure measuring tube 4, the wall breaking needle 21 can be taken out of the rubber plug 20, the infusion tube 3 and the puncture needle are disconnected, the pressure measuring tube 4 can be cleaned, and meanwhile, when the liquid in the liquid storage bag 1 is difficult to meet the requirement due to repeated measurement, the liquid can be directly filled through the pressure measuring tube 4 for measurement.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. An infusor tube for CVP measurement, characterized by: including holding liquid bag, balance pipe, transfer line, pressure-measuring pipe, stagnant water clamp, flow rate regulator and right the measurement cutting ferrule, the balance pipe is located and is held liquid bag top, the balance pipe tip is equipped with the shutoff head, the transfer line is located and is held liquid bag bottom, the one end of pressure-measuring pipe is located on the transfer line and perpendicular to transfer line setting, the other end of pressure-measuring pipe is located and is held liquid bag lateral wall and lean on the top setting, the stagnant water clamp is located on the transfer line and is located and hold between liquid bag and the pressure-measuring pipe, flow rate regulator locates on the transfer line and keeps away from and hold liquid bag and pressure-measuring pipe setting, right the measurement cutting ferrule amalgamation joint in the pressure-measuring pipe outside.
2. An infusor tube for CVP measurement as in claim 1, wherein: the centering measuring clamping sleeve comprises a first clamping sleeve and a second clamping sleeve, the upper portion of the first clamping sleeve is of a semi-cylindrical structure, the lower portion of the first clamping sleeve is of a rectangular structure, a first semi-circular clamping groove is formed in the upper portion of the first clamping sleeve, a notch is formed in the side wall of the upper portion of the first clamping sleeve and is communicated with the first semi-circular clamping groove, scales are arranged on the side wall of the first clamping sleeve and are close to the notch, a clamping column is arranged on the side wall of the first clamping sleeve, which is far away from the notch, a second semi-circular clamping groove is formed in the lower portion of the first clamping sleeve, and the first semi-circular clamping groove is communicated with the second semi-circular clamping groove and is vertically arranged; the upper portion of the second clamping sleeve is of a semi-cylindrical structure, the lower portion of the second clamping sleeve is of a cuboid structure, a semi-circular clamping groove III matched with the semi-circular clamping groove I is formed in the upper portion of the second clamping sleeve, a semi-circular clamping groove IV matched with the semi-circular clamping groove II is formed in the bottom of the second clamping sleeve, the semi-circular clamping groove III is communicated with the semi-circular clamping groove IV and is perpendicular to the semi-circular clamping groove III, and an embedded groove matched with the clamping column is formed in the side wall of the second clamping sleeve.
3. An infusor tube for CVP measurement as in claim 2, wherein: arc-shaped rubber pads are arranged on the inner sides of the first semicircular clamping groove and the third semicircular clamping groove.
4. An infusor tube for CVP measurement as in claim 1, wherein: the lateral wall of the liquid storage bag is provided with a connecting pipe, the end part of the connecting pipe is provided with a rubber plug, and the end part of the pressure measuring pipe is provided with a broken wall needle.
5. An infusor tube for CVP measurement as in claim 1, wherein: the top of the liquid storage bag is provided with a hanging lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120609889.9U CN214906839U (en) | 2021-03-25 | 2021-03-25 | Infusion tube for CVP measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120609889.9U CN214906839U (en) | 2021-03-25 | 2021-03-25 | Infusion tube for CVP measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214906839U true CN214906839U (en) | 2021-11-30 |
Family
ID=79038850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120609889.9U Expired - Fee Related CN214906839U (en) | 2021-03-25 | 2021-03-25 | Infusion tube for CVP measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214906839U (en) |
-
2021
- 2021-03-25 CN CN202120609889.9U patent/CN214906839U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20211130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |