CN202891913U - Central venous pressure measuring device - Google Patents
Central venous pressure measuring device Download PDFInfo
- Publication number
- CN202891913U CN202891913U CN 201220588153 CN201220588153U CN202891913U CN 202891913 U CN202891913 U CN 202891913U CN 201220588153 CN201220588153 CN 201220588153 CN 201220588153 U CN201220588153 U CN 201220588153U CN 202891913 U CN202891913 U CN 202891913U
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- China
- Prior art keywords
- transfusion
- tube
- venous pressure
- way valve
- central venous
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a central venous pressure measuring device. The central venous pressure measuring device comprises an infusion bag and an infusion tube, and is characterized by further comprising a three-way valve provided with a first inlet, a second inlet and an outlet, the infusion tube includes an infusion tube upper section and an infusion tube lower section, the lower end of the infusion tube lower section is provided with a needle head, the upper end of the infusion tube upper section is connected with a liquid outlet of the infusion bag, the lower end of the infusion tube upper section is connected with a first inlet of the three-way valve, and the upper end of the infusion tube lower section is connected with the three-way valve. By the aid of the three-way valve connected into the infusion tube and by means of switching of the three-way valve, central venous pressure is measured directly during infusion without extracting the infusion tube, contamination caused by extraction of the infusion tube is avoided, and the central venous pressure measuring device is safer and more sanitary so that health of patients is guaranteed effectively.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of central venous pressure tester.
Background technology
For the patient in the intensive care unit, often need to below patient's clavicle, insert dark venous duct, can infuse to the patient by dark venous duct, or measurement patient's central venous pressure is for the diagnosis reference.
At present, the measuring center venous pressure has following two kinds of methods:
Wherein a kind of method is that dark venous duct is connected with transducer in the monitor, directly measures central venous pressure on monitor, although this method is safe and reliable, measure accurately, needs to use transducer, and the measurement cost is higher.
Another kind method is easy way commonly used at present, namely be when pressure measurement, tube for transfusion to be pulled up with atmosphere from transfusion bag to communicate, then wait until when water column length is stablized in the tube for transfusion, the cross point of getting midaxillary line and the 4th rib is zero point, measure the length of water column, with " X centimeter water column " expression central venous pressure.This measuring method is more accurate, and it is low, convenient easy to operate to measure cost, but, after transfusion bag is pulled up tube for transfusion measuring center venous pressure, again plug again, tend to cause the pollution of tube for transfusion upper end, can't reach hygienic requirements, in the infusion process of following, antibacterial can enter in patient's the body with medicinal liquid, patient's health is impacted, even also can increase the weight of patient's the state of an illness.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of central venous pressure tester, and this central venous pressure tester had both been measured simply, can avoid again polluting, and more safety and sanitation are effectively guaranteed patient's health.The technical scheme that adopts is as follows:
A kind of central venous pressure tester comprises transfusion bag and tube for transfusion, it is characterized in that: comprise that also three-way valve, three-way valve have the first entrance, the second entrance and exit; Described tube for transfusion is divided into tube for transfusion epimere and tube for transfusion hypomere, and the lower end of tube for transfusion hypomere is with syringe needle; The upper end of tube for transfusion epimere is connected with the liquid outlet of transfusion bag, and the lower end of tube for transfusion epimere is connected with the first entrance of three-way valve; The upper end of tube for transfusion hypomere is connected with the outlet of three-way valve.
In the situation of transfusion, three-way valve is allocated to the second entrance, passage between the second entrance and the outlet is disconnected and the first entrance is unimpeded with passage between exporting, medicinal liquid by transfusion bag through tube for transfusion epimere, the first entrance, outlet, tube for transfusion hypomere, in syringe needle input patient's body, the same with normal infusion at last; In the situation that needs the measuring center venous pressure, three-way valve is allocated to the first entrance, passage between the first entrance and the outlet is disconnected and the second entrance is unimpeded with passage between exporting, air enters into tube for transfusion by the second entrance, when water column length is more stable in the tube for transfusion, by measuring the length of water column in the tube for transfusion, just draw central venous pressure, represent with " X centimeter water column ".The measurement of central venous pressure is quite simple, and need not to extract tube for transfusion in the measuring process of central venous pressure, has avoided extracting tube for transfusion and pollutes, and more safety and sanitation are effectively guaranteed patient's health.
As preferred version of the present utility model, the lateral wall of described tube for transfusion hypomere is provided with scale.By scale is set, directly read the length of water column, need not to measure in addition, more convenient.
As the further preferred version of this utility model, the length of described scale is 20～40 centimetres.
This utility model compared with prior art has following advantage:
By in tube for transfusion, accessing three-way valve, by the switching of three-way valve, be implemented in the process of transfusion and directly measure central venous pressure, need not to extract tube for transfusion, avoided extracting tube for transfusion and polluted, more safety and sanitation are effectively guaranteed patient's health.
Description of drawings
Fig. 1 is the structural representation of this utility model preferred implementation.
The specific embodiment
Be described further below in conjunction with accompanying drawing and preferred implementation of the present utility model.
As shown in Figure 1, this central venous pressure tester comprises transfusion bag 1, tube for transfusion 2 and three-way valve 3, and three-way valve 3 has the first entrance 301, the second entrance 302 and exports 303; Tube for transfusion 2 is divided into tube for transfusion epimere 201 and tube for transfusion hypomere 202, and the lower end of tube for transfusion hypomere 202 is with syringe needle 203; The upper end of tube for transfusion epimere 201 is connected with the liquid outlet of transfusion bag 1, and the lower end of tube for transfusion epimere 201 is connected with the first entrance 302 of three-way valve 3; The upper end of tube for transfusion hypomere 202 is connected with the outlet 303 of three-way valve 3; The lateral wall of tube for transfusion hypomere 202 is provided with scale 4, and the length of scale is 20～40 centimetres, determines arbitrarily as required.
In the situation of transfusion, three-way valve 3 is allocated to the second entrance 302, the second entrance 302 and the passage of outlet between 303 are disconnected and the first entrance 301 is unimpeded with the passage that exports between 303, medicinal liquid by transfusion bag 1 through tube for transfusion epimere 201, the first entrance 301, outlet 303, tube for transfusion hypomere 202, in syringe needle 203 input patients' body, the same with normal infusion at last; In the situation that needs the measuring center venous pressure, three-way valve 3 is allocated to the first entrance 301, the first entrance 301 and the passage of outlet between 303 are disconnected and the second entrance 302 is unimpeded with the passage that exports between 303, air enters into tube for transfusion 2 by the second entrance 302, when water column length is more stable in the tube for transfusion 2, the length of directly reading water column in the tube for transfusion 2 by scale 4 just draws central venous pressure, represents with " X centimeter water column ".The measurement of central venous pressure is quite simple, and need not to extract tube for transfusion 2 in the measuring process of central venous pressure, has avoided extracting tube for transfusion 2 and pollutes, and more safety and sanitation are effectively guaranteed patient's health.
In addition; need to prove, the specific embodiment described in this description, its each several part titles etc. can be different; allly conceive equivalence or the simple change that described structure, feature and principle are done according to this utility model patent, be included in the protection domain of this utility model patent.This utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (3)
1. a central venous pressure tester comprises transfusion bag and tube for transfusion, it is characterized in that: comprise that also three-way valve, three-way valve have the first entrance, the second entrance and exit; Described tube for transfusion is divided into tube for transfusion epimere and tube for transfusion hypomere, and the lower end of tube for transfusion hypomere is with syringe needle; The upper end of tube for transfusion epimere is connected with the liquid outlet of transfusion bag, and the lower end of tube for transfusion epimere is connected with the first entrance of three-way valve; The upper end of tube for transfusion hypomere is connected with the outlet of three-way valve.
2. central venous pressure tester as claimed in claim 1, it is characterized in that: the lateral wall of described tube for transfusion hypomere is provided with scale.
3. central venous pressure tester as claimed in claim 2, it is characterized in that: the length of described scale is 20～40 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588153 CN202891913U (en) | 2012-11-09 | 2012-11-09 | Central venous pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588153 CN202891913U (en) | 2012-11-09 | 2012-11-09 | Central venous pressure measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202891913U true CN202891913U (en) | 2013-04-24 |
Family
ID=48112642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220588153 Expired - Fee Related CN202891913U (en) | 2012-11-09 | 2012-11-09 | Central venous pressure measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202891913U (en) |
-
2012
- 2012-11-09 CN CN 201220588153 patent/CN202891913U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131109 |