CN108066833A - A kind of Dispoable medical liquid pressure measuring unit and closed disposable medical thrust device - Google Patents
A kind of Dispoable medical liquid pressure measuring unit and closed disposable medical thrust device Download PDFInfo
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- CN108066833A CN108066833A CN201711485744.7A CN201711485744A CN108066833A CN 108066833 A CN108066833 A CN 108066833A CN 201711485744 A CN201711485744 A CN 201711485744A CN 108066833 A CN108066833 A CN 108066833A
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- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 53
- 239000012528 membrane Substances 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims description 9
- 238000009593 lumbar puncture Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 6
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 10
- 238000005457 optimization Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 206010019909 Hernia Diseases 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A61M1/0023—
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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
- A61B17/34—Trocars; Puncturing needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
- A61B5/032—Spinal fluid pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0464—Cerebrospinal fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Hematology (AREA)
- Neurology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention relates to medical instruments fields, disclose a kind of Dispoable medical liquid pressure measuring unit and closed disposable medical thrust device.Pass through the Dispoable medical liquid pressure measuring unit, the residual air in pipe can not only be filtered out, ensure pressure measurement precision, press liquid to be measured can also be made directly to act on promotion air filtration membrane body and compress pressure measurement spring, hydraulic pressure value is finally read directly at pressure measurement graduation mark according to the variation of the shift position of air filtration membrane body, and then can realize the purpose that hydraulic measurement can be completed using a kind of simple structure, have the advantages that it is disposable, easy to operate and safe, convenient for actual promotion and application.Pass through the closed disposable medical thrust device simultaneously, it can not only be taken over during lumbar puncture without changing pipe, and can intuitively measure the dynamic changing process of cerebrospinal pressure, also it can effectively avoid malpractice caused by due to puncture needle movement after lumbar puncture success.
Description
Technical field
The present invention relates to medical instruments fields, and in particular, to a kind of Dispoable medical liquid pressure measuring unit and closed
Dispoable medical sting device.
Background technology
It to need there are many position and system to carry out pressure measurement in medical field, such as measure angiosthenia, vein pressure and the ventricles of the brain and press
Deng, currently used pressure measuring unit is mainly electronic device, exist construct it is complicated and expensive the shortcomings that or be glass
The simple and easy methods such as pipe, plastic tube, and there are safety inconvenient to use and the problem of inaccurate is measured, in addition, each pressure measuring unit
Independence is stronger, can not be applied to other systems and carry out pressure measurement, restricted application.
In addition, at present lumbar puncture needle thorn structure be with needle core long syringe needle (No. 7 or No. 9 long syringe needles, are about 8 centimetres, by
Stainless steel material is made).The long syringe needle with needle core is at lumbar puncture needle tail by several connectors respectively with being carved with a millimeter scale
Multiple pressure-measuring pipes connection, pressure-measuring pipe is glass tube, this invention is to be invented by QuINekeShi for 1891.Current edge always
Lumbar puncture is carried out with this long syringe needle with needle core.This lumbar puncture needle thorn structure finds that there are as follows in clinical manipulation
Shortcoming.
(1) operate dangerous：If Cerebrospinal Fluid in Patients pressure is very high, needle core is extracted by former method one, cerebrospinal fluid can spray rapidly
Out, if needle core cannot be plugged exactly immediately, will result in hernia cerebri causes death.In fact since pressure is very high, cerebrospinal fluid
One spray, operator is in advance it is not expected that meeting hydrojet, be bound to stress, for first clinical manipulation person, often
It is not easy needle core being accurately inserted into puncture needle again, thus easily causes malpractice, this respect once had related report.
(2) it is complicated for operation：After puncturing successfully, pressure-measuring pipe need to be connected manually；It needs to be tried with sample manually when discharging cerebrospinal fluid
Pipe picks up；It is picked up when disposably release cerebrospinal fluid is excessive without preparation container；Discharge cerebrospinal fluid during repeatedly pressure measurement when need repeatedly
Connect pressure-measuring pipe, it is possible to lumbar puncture needle be caused to shift, puncture failure.
(3) it is easy to infect：Main to include adverse current infection and sample contamination, the former refers to there is pressure abdominal pressure neck in pressure measurement, surveys
Cerebrospinal fluid fluctuates in pressure pipe, there is cerebrospinal fluid adverse current, also easily adverse current infection when waist wears laxative；The latter refers to after cerebrospinal fluid flows out
Ingress of air and extraneous bacterium, influence cerebrospinal fluid Bacteria Culture.
(4) it is inconvenient to use：The pressure limit of traditional pressure-measuring pipe measurement is limited, can not for the pressure for being more than 400mmH2O
Measurement, it is impossible to accurate guiding treatment；Former pressure-measuring pipe uses the old pressure unit millimeter of water (mmH2O columns), uses upper not side
Just, also need to be converted into new pressure unit pa (Pa).
The content of the invention
For the problems of foregoing existing medical instrument, the present invention provides a kind of Dispoable medical liquid pressure measurement dresses
It puts and closed disposable medical thrust device.
On the one hand the technical solution adopted by the present invention provides a kind of Dispoable medical liquid pressure measuring unit, including observation
Pipe, connecting tube, exhaustion plate, air filtration membrane body and pressure measurement spring, wherein, the outer pipe surface of the observation tube is equipped with puts down with tube body
Capable pressure measurement graduation mark；The first end of the observation tube connects the connecting tube, and the second end of the observation tube passes through the row
Gas plate is closed, and the inside that the air-filtering membrane body is located at the observation tube can simultaneously be slidably matched with the inner wall of the observation tube,
The pressure measurement spring also is located at the inside of the observation tube and is arranged between the exhaustion plate and the air filtration membrane body.
Optimization, the air filtration membrane body includes annular slab and air-filtering membrane, wherein, the outer shroud table of the annular slab
Face and the inner wall of the observation tube are slidably matched, and the interior collar extension of the annular slab is sealed by the air-filtering membrane；In the ring
The plate face fringe region of shape plate is equipped with first annular card slot, and the first end of the pressure measurement spring is stuck in the first annular card slot
In.Further optimize, annular pressure measurement instruction wire casing of the external annular surface center of the annular slab equipped with circumferentially direction, and
Filled with red, blueness or black material in the annular pressure measurement instruction wire casing.
Optimization, the plate face central area of the exhaustion plate is equipped with several exhaust holes, the plate face side of the exhaustion plate
Edge region is equipped with the second annular slot, and the second end of the pressure measurement spring is stuck in second annular slot.
Optimization, the observation tube is all-transparent pipe or is only in the local transparent pipe of pressure measurement graduation mark areas transparent.
On the other hand the technical solution adopted by the present invention provides a kind of closed disposable medical thrust device, including
Foregoing Dispoable medical liquid pressure measuring unit, further includes three-way pipe, Y-piece, drainage bag, needle tubing and needle core；It is described disposable
The connecting tube of medical use liquid pressure measuring unit connects the parallel channels second port of the three-way pipe, the parallel channels of the three-way pipe
First port connects the parallel channels second port of the Y-piece, and the bypass channel port of the three-way pipe connects the drainage
Bag, the parallel channels first port of the Y-piece connect the needle tubing, and the bypass channel port of the Y-piece is worn by repeatable
Material bodies closing is pierced, the needle core can penetrate from the bypass channel port of the Y-piece and stretch into the needle tubing.
Optimization, the drainage bag is soft bag body, and is provided with and can close opening.
To sum up, filled using Dispoable medical liquid pressure measuring unit provided by the present invention and closed disposable medical thrust
It puts, has the advantages that：(1) the Dispoable medical liquid pressure measuring unit provided by the invention, can not only filter
Except the residual air in pipe, it is ensured that pressure measurement precision can also be such that press liquid to be measured directly acts on and promote air filtration membrane body and press
Contracting pressure measurement spring finally reads hydraulic pressure value according to the variation of the shift position of air filtration membrane body directly at pressure measurement graduation mark, into
And can realize the purpose that hydraulic measurement can be completed using a kind of simple structure, have disposable, easy to operate and safe
The advantages of, convenient for actual promotion and application；(2) the Dispoable medical liquid pressure measuring unit also has the movement of air filtration membrane body
It is steady and can multisystem pressure measurement application the advantages that, be further convenient for actual promotion and application；(3) provided by the invention
Closed disposable medical thrust device can not only be taken over without changing pipe during lumbar puncture, and can intuitively be measured
The dynamic changing process of cerebrospinal pressure can also effectively avoid doctor caused by due to puncture needle movement after lumbar puncture success
Treatment accident, while can also make drainage-fluid closed without ingress of air, the further medical safety for ensureing patient.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of Dispoable medical liquid pressure measuring unit provided by the invention.
Fig. 2 is the positive structure schematic of air filtration membrane body provided by the invention.
Fig. 3 is the side structure schematic diagram of air filtration membrane body provided by the invention.
Fig. 4 is the positive structure schematic of exhaustion plate provided by the invention.
Fig. 5 is the structure diagram of closed disposable medical thrust device provided by the invention.
In above-mentioned attached drawing：1st, observation tube 101, pressure measurement graduation mark 2, connecting tube 3, exhaustion plate 301, exhaust hole
302nd, the second annular slot 4, air filtration membrane body 401, annular slab 402, air-filtering membrane 403, first annular card slot
404th, annular pressure measurement instruction wire casing 5, pressure measurement spring 6, three-way pipe 7, Y-piece 8, drainage bag 801, opening 9, pin can be closed
Pipe 10, needle core 11, repeatable stab material body.
Specific embodiment
Hereinafter reference will be made to the drawings, and Dispoable medical liquid pressure measurement provided by the invention is described in detail by way of example
Device and closed disposable medical thrust device.It should be noted that it is used for for the explanation of these way of example
Help understands the present invention, but does not form limitation of the invention.
The terms "and/or", is only a kind of incidence relation for describing affiliated partner, and expression may have three kinds of passes
System, for example, A and/or B, can represent：Individualism A, individualism B exist simultaneously tri- kinds of situations of A and B, the terms
"/and " it is another affiliated partner relation of description, expression may have two kinds of relations, for example, A/ and B, can represent：Individually deposit
In A, two kinds of situations of individualism A and B, in addition, character "/" herein, it is that a kind of "or" is closed to typically represent forward-backward correlation object
System.
Embodiment one
Fig. 1 shows the structure diagram of Dispoable medical liquid pressure measuring unit provided by the invention, and Fig. 2 shows this hair
The positive structure schematic of the air filtration membrane body of bright offer, Fig. 3 show the side of air filtration membrane body provided by the invention
Structure diagram, Fig. 4 show the positive structure schematic of exhaustion plate provided by the invention.
The Dispoable medical liquid pressure measuring unit provided in this embodiment, which is characterized in that including observation tube 1, connection
Pipe 2, exhaustion plate 3, air filtration membrane body 4 and pressure measurement spring 5, wherein, the outer pipe surface of the observation tube 1 is equipped with parallel with tube body
Pressure measurement graduation mark 101；The first end of the observation tube 1 connects the connecting tube 2, and the second end of the observation tube 1 passes through institute
It states exhaustion plate 3 to close, the inside that the air filtration membrane body 4 is located at the observation tube 1 can simultaneously be slided with the inner wall of the observation tube 1
Dynamic cooperation, the pressure measurement spring 5 also are located at the inside of the observation tube 1 and are arranged on the exhaustion plate 3 and the air filtration
Between membrane body 4.
As shown in figures 1-4, in the structure of the Dispoable medical liquid pressure measuring unit, the connecting tube 2 is used to dock it
The pipeline opening of the medical equipments such as his drainage tube or three-way pipe makes press liquid to be measured be directed into from the connecting tube 2 described
Observation tube 1.4 one side of air filtration membrane body is used to filter out the residual air in pipe, it is ensured that on the other hand pressure measurement precision is used
Under the impetus in press liquid to be measured, the pressure measurement spring 5 is promoted to compress indirectly, until elastic force and pressure balance each other, and
Using position relationship of the air filtration membrane body 4 in balance with the pressure measurement graduation mark 101, can directly be carved from the pressure measurement
It spends at line 101 and reads hydraulic pressure value (because hydraulic pressure value and the shortening length of pressure measurement spring 5 are in specific linear relationship), at this point, institute
Stating observation tube 1 need to be all-transparent pipe or be only in the local transparent pipe of pressure measurement graduation mark areas transparent.It is disposable from there through this
Medical use liquid pressure measuring unit, it can be achieved that the purpose of hydraulic measurement can be completed using a kind of simple structure, have it is disposable,
The advantages of easy to operate and safe, convenient for actual promotion and application.
Optimization, the air filtration membrane body 4 includes annular slab 401 and air-filtering membrane 402, wherein, the annular slab
The inner wall of 401 external annular surface and the observation tube 101 is slidably matched, and the interior collar extension of the annular slab 401 is by the air mistake
Filter membrane 402 seals；First annular card slot 403 is equipped in the plate face fringe region of the annular slab 401, the pressure measurement spring 5
First end is stuck in the first annular card slot 403.It as described in Figure 2, can be with by setting the first annular card slot 403
The contact relation of the air filtration membrane body 4 and the first end of the pressure measurement spring 5 is stablized in /V, it is ensured that the air filtration
Mobile stationarity of the membrane body 4 in sliding process.
Further optimize, the external annular surface center of the annular slab 401 is equipped with the annular pressure measurement instruction in circumferentially direction
Wire casing 404, and filled with red, blueness or black material in the annular pressure measurement instruction wire casing 404.As shown in figure 3, pass through
The annular pressure measurement is set to indicate wire casing 404 and fills red, blueness or black material, it can be in the bright current hydraulic fluid value of instruction
While, index line is avoided to be worn when slidably reciprocating, extends disposable service life.
Optimization, the plate face central area of the exhaustion plate 3 is equipped with several exhaust holes 301, the plate of the exhaustion plate 3
Face fringe region is equipped with the second annular slot 302, and the second end of the pressure measurement spring 5 is stuck in second annular slot 302
In.As described in Figure 4, by setting second annular slot 302, the exhaustion plate 3 and the manometric bomb can be stablized with /V
The contact relation of the second end of spring 5 further ensures that the mobile stationarity of the air filtration membrane body 4.
The first described Dispoable medical liquid pressure measuring unit provided in this embodiment, has the advantages that：(1) lead to
Dispoable medical liquid pressure measuring unit provided in this embodiment is crossed, can not only filter out the residual air in pipe, it is ensured that pressure measurement essence
Degree can also be such that press liquid to be measured directly acts on and promote air filtration membrane body and compress pressure measurement spring, finally according to air filtration
The shift position of membrane body changes reads hydraulic pressure value directly at pressure measurement graduation mark, and then can realize and utilize a kind of simple structure
Complete hydraulic measurement purpose, have the advantages that it is disposable, easy to operate and safe, convenient for actual promotion and application；(2)
The Dispoable medical liquid pressure measuring unit also have many advantages, such as air filtration membrane body movement steadily and can multisystem pressure measurement application,
Further it is convenient for actual promotion and application.
Embodiment two
Fig. 5 shows the structure diagram of closed disposable medical thrust device provided by the invention.The present embodiment is made
For a kind of concrete application of embodiment one, the closed disposable medical thrust device provided, including such as embodiment one
The Dispoable medical liquid pressure measuring unit, further includes three-way pipe 6, Y-piece 7, drainage bag 8, needle tubing 9 and needle core 10；It is described
The connecting tube 2 of Dispoable medical liquid pressure measuring unit connects the parallel channels second port of the three-way pipe 6, the three-way pipe 6
Parallel channels first port connect the parallel channels second port of the Y-piece 7, the bypass channel port of the three-way pipe 6
The drainage bag 8 is connected, the parallel channels first port of the Y-piece 7 connects the needle tubing 9, and the bypass of the Y-piece 7 is led to
Road port is closed by repeatable stab material body 11, and the needle core 10 can penetrate and stretch from the bypass channel port of the Y-piece 7
Enter the needle tubing 9.In addition, the Y rows pipe 7 can be, but not limited to as Y types lumbar puncture needle or Y moldeed depth venipuncture needles.
As shown in figure 5, by foregoing closed disposable medical thrust device, can be realized during lumbar puncture as follows
Operation：The three-way pipe 6 is first reversed to the parallel channels first end for parallel channels conducting state, that is, turning on the three-way pipe 6
Then mouth and second port carry out lumbar puncture art according to operating routine for patient, after lumbar puncture success, by the needle core
10 take out, and directly can read hydraulic pressure value by the Dispoable medical liquid pressure measuring unit as described in embodiment one or embodiment two；
Then the three-way pipe 6 is reversed to the parallel channels for bypass channel conducting state, that is, turning on the three-way pipe 6 after pressure measurement
Drainage is realized in Single port and bypass channel port.Pressure measurement repeatedly can be realized in surgical procedure by reversing the three-way pipe 6
Purpose.Thus it can not only be taken over during lumbar puncture without changing pipe, and can intuitively measure the dynamic of cerebrospinal pressure
Change procedure can also effectively avoid malpractice caused by due to puncture needle movement after lumbar puncture success.
Optimization, the drainage bag 8 is soft bag body, and is provided with and can close opening 801.As shown in figure 5, it is set by foregoing
Meter can also make drainage-fluid closed without ingress of air, the further medical safety for ensureing patient.
The closed disposable medical thrust device provided in this embodiment, has the advantages that：(1) this is passed through
The closed disposable medical thrust device that innovation and creation provide, can not only take over during lumbar puncture without changing pipe,
And the dynamic changing process of cerebrospinal pressure can be intuitively measured, can also effectively it be avoided because of puncture needle after lumbar puncture success
It is mobile and caused by malpractice, while can also make drainage-fluid closed without ingress of air, further ensure the medical treatment peace of patient
Entirely.
As described above, it can preferably realize the present invention.For a person skilled in the art, religion according to the present invention
It leads, design various forms of Dispoable medical liquid pressure measuring units and closed disposable medical thrust device and need not create
The work for the property made.These embodiments are changed without departing from the principles and spirit of the present invention, are changed, are replaced,
It integrates and modification is still fallen in protection scope of the present invention.
Claims (7)
1. a kind of Dispoable medical liquid pressure measuring unit, which is characterized in that including observation tube (1), connecting tube (2), exhaustion plate
(3), air filtration membrane body (4) and pressure measurement spring (5), wherein, the outer pipe surface of the observation tube (1) is equipped with parallel with tube body
Pressure measurement graduation mark (101)；
The first end of the observation tube (1) connects the connecting tube (2), and the second end of the observation tube (1) passes through the exhaust
Plate (3) is closed, and the inside that the air filtration membrane body (4) is located at the observation tube (1) simultaneously can be with the inner wall of the observation tube (1)
Be slidably matched, the pressure measurement spring (5) also be located at the inside of the observation tube (1) and be arranged on the exhaustion plate (3) with it is described
Between air filtration membrane body (4).
A kind of 2. Dispoable medical liquid pressure measuring unit as described in claim 1, which is characterized in that the air filtration membrane body
(4) annular slab (401) and air-filtering membrane (402) are included, wherein, external annular surface and the observation of the annular slab (401)
The inner wall of pipe (101) is slidably matched, and the interior collar extension of the annular slab (401) is sealed by the air-filtering membrane (402)；
The plate face fringe region of the annular slab (401) be equipped with first annular card slot (403), the first of the pressure measurement spring (5)
End is stuck in the first annular card slot (403).
A kind of 3. Dispoable medical liquid pressure measuring unit as claimed in claim 2, which is characterized in that the annular slab (401)
External annular surface center be equipped with the annular pressure measurement instruction wire casing (404) in circumferentially direction, and in the annular pressure measurement instruction wire casing
(404) filled with red, blueness or black material in.
4. a kind of Dispoable medical liquid pressure measuring unit as described in claim 1, which is characterized in that the exhaustion plate (3)
Plate face central area is equipped with several exhaust holes (301), and the plate face fringe region of the exhaustion plate (3) is equipped with the second annular snap
Slot (302), the second end of the pressure measurement spring (5) are stuck in second annular slot (302).
5. a kind of Dispoable medical liquid pressure measuring unit as described in claim 1, which is characterized in that the observation tube (1) is
All-transparent pipe is only in the local transparent pipe of pressure measurement graduation mark areas transparent.
6. a kind of closed disposable medical thrust device, which is characterized in that including as described in claim 1~8 any one
Dispoable medical liquid pressure measuring unit, further include three-way pipe (6), Y-piece (7), drainage bag (8), needle tubing (9) and needle core
(10)；
The connecting tube (2) of the Dispoable medical liquid pressure measuring unit connects the parallel channels second port of the three-way pipe (6),
The parallel channels first port of the three-way pipe (6) connects the parallel channels second port of the Y-piece (7), the three-way pipe
(6) bypass channel port connects the drainage bag (8), and the parallel channels first port of the Y-piece (7) connects the needle tubing
(9), the bypass channel port of the Y-piece (7) is closed by repeatable stab material body (11), and the needle core (10) can be from described
The bypass channel port of Y-piece (7) penetrates and stretches into the needle tubing (9).
A kind of 7. closed disposable medical thrust device as claimed in claim 6, which is characterized in that the drainage bag (8)
For soft bag body, and it is provided with and can closes opening (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485744.7A CN108066833B (en) | 2017-12-29 | 2017-12-29 | Disposable medical liquid pressure measuring device and sealed disposable puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711485744.7A CN108066833B (en) | 2017-12-29 | 2017-12-29 | Disposable medical liquid pressure measuring device and sealed disposable puncture device |
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| Publication Number | Publication Date |
|---|---|
| CN108066833A true CN108066833A (en) | 2018-05-25 |
| CN108066833B CN108066833B (en) | 2024-04-09 |
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| CN201711485744.7A Active CN108066833B (en) | 2017-12-29 | 2017-12-29 | Disposable medical liquid pressure measuring device and sealed disposable puncture device |
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| US5992239A (en) * | 1998-09-10 | 1999-11-30 | Boehringer Laboratories, Inc. | Gauge |
| CN2898826Y (en) * | 2006-05-19 | 2007-05-09 | 中国矿业大学 | Geologic-bury analog experimental apparatus for urban refuse |
| CN202553949U (en) * | 2012-04-27 | 2012-11-28 | 李国华 | Blood hemostix |
| CN203619635U (en) * | 2013-12-25 | 2014-06-04 | 郑颖 | Cerebrospinal fluid puncture needle for neurology |
| CN204192759U (en) * | 2014-09-16 | 2015-03-11 | 万鹏 | Disposable cerebrospinal fluid collection bag |
| CN205251528U (en) * | 2016-01-06 | 2016-05-25 | 无锡市人民医院 | Pressure monitoring pipe |
| CN206183254U (en) * | 2016-08-10 | 2017-05-24 | 孙艺芩 | Central venous pressure measurer |
| CN106821354A (en) * | 2017-02-21 | 2017-06-13 | 中国医学科学院北京协和医院 | Disposable center venous pressure measuring device and its application method |
| CN209361441U (en) * | 2017-12-29 | 2019-09-10 | 刘元 | A kind of Dispoable medical liquid pressure measuring unit |
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