CN111419209B - A contractile pressure measuring tube for lumbar puncture - Google Patents
A contractile pressure measuring tube for lumbar puncture Download PDFInfo
- Publication number
- CN111419209B CN111419209B CN202010322548.3A CN202010322548A CN111419209B CN 111419209 B CN111419209 B CN 111419209B CN 202010322548 A CN202010322548 A CN 202010322548A CN 111419209 B CN111419209 B CN 111419209B
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- Prior art keywords
- pressure measuring
- measuring tube
- tube
- wall
- pipe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Measuring 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
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B2010/0077—Cerebrospinal fluid
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Hematology (AREA)
- Neurology (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physics & Mathematics (AREA)
- External Artificial Organs (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
本发明公开一种腰椎穿刺用收缩式测压管，包括测压管，所述测压管包括内测压管、外测压管、进液管和出液管，其中外测压管套设于内测压管上，进液管与内测压管下端的侧面连通，出液管与内测压管的底端连通，进液管的轴线与内测压管的轴线相互垂直，出液管与内测压管同轴配合。本发明通过将外测压管套设于内测压管上，外测压管沿着内测压管轴线移动，可将测压管拉伸延长，操作方便；本发明通过设置废液回收箱，出液管与废液回收箱连通，防止当医护人员取下测压管时废液从测压管流出的问题；本发明还设置有收纳筒，收纳筒内设置有柔性组织，在测压完成后可将收纳筒套在测压管上，起到防震保护的作用。
The present invention discloses a contractile pressure measuring tube for lumbar puncture, comprising a pressure measuring tube, wherein the pressure measuring tube comprises an inner pressure measuring tube, an outer pressure measuring tube, a liquid inlet pipe and a liquid outlet pipe, wherein the outer pressure measuring tube is sleeved on the inner pressure measuring tube, the liquid inlet pipe is connected to the side of the lower end of the inner pressure measuring tube, the liquid outlet pipe is connected to the bottom end of the inner pressure measuring tube, the axis of the liquid inlet pipe is perpendicular to the axis of the inner pressure measuring tube, and the liquid outlet pipe is coaxially matched with the inner pressure measuring tube. The present invention sleeves the outer pressure measuring tube on the inner pressure measuring tube, and the outer pressure measuring tube moves along the axis of the inner pressure measuring tube, so that the pressure measuring tube can be stretched and extended, and the operation is convenient; the present invention arranges a waste liquid recovery box, and the liquid outlet pipe is connected to the waste liquid recovery box, so as to prevent the problem of waste liquid flowing out of the pressure measuring tube when the medical staff removes the pressure measuring tube; the present invention is also provided with a storage tube, and a flexible tissue is arranged in the storage tube. After the pressure measurement is completed, the storage tube can be sleeved on the pressure measuring tube to play a role of shock protection.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a shrinkage pressure measuring tube for lumbar puncture.
Background
Clinically, lumbar puncture is a common diagnosis and treatment mode of neurology, is generally used for testing and checking cerebrospinal fluid samples, has high clinical practical value, and often needs to be simultaneously tested for pressure of cerebrospinal fluid in the puncture process.
The lumbar puncture pressure measuring tube used in the prior art is generally made of glass, two pressure measuring tubes are usually required to be connected together for use, the operation is inconvenient when the two pressure measuring tubes are spliced, and the problem of cerebrospinal fluid leakage can occur at the splice position between the two pressure measuring tubes.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a shrinkage type pressure measuring tube for lumbar puncture, which solves the problems that the connection of two pressure measuring tubes is inconvenient and the two pressure measuring tubes are easy to break in the prior art.
The aim of the invention can be achieved by the following technical scheme:
The utility model provides a shrink type pressure measuring tube for lumbar puncture, includes the pressure measuring tube, the pressure measuring tube includes interior pressure measuring tube and outer pressure measuring tube, and wherein outer pressure measuring tube covers and locates on the interior pressure measuring tube.
The inner pressure measuring tube is characterized in that scale marks are marked on the outer wall of the inner pressure measuring tube, a circular first baffle plate is fixed on the outer wall of the upper end of the inner pressure measuring tube, a groove is formed in the outer ring of the first baffle plate, a sealing ring is installed on the groove, a first external thread is arranged on the outer wall of one side, close to the first baffle plate, of the inner pressure measuring tube, a second external thread is arranged on one side, close to the connecting tube, of the inner pressure measuring tube, and parameters of the first external thread and the second external thread are identical.
The outer wall of the outer pressure measuring pipe is marked with scale marks, the inner wall of the outer pressure measuring pipe is tightly attached to the first baffle through a sealing ring, the outer pressure measuring pipe moves linearly along the axis direction of the inner pressure measuring pipe, the inner wall of the lower end of the outer pressure measuring pipe is fixedly provided with an annular second baffle, the inner ring of the second baffle is provided with a first inner thread, and the first inner thread of the second baffle is matched with the first outer thread on the outer wall of the inner pressure measuring pipe.
Further, the side of interior piezometer pipe lower extreme intercommunication has the feed liquor pipe, and the axis of feed liquor pipe and the axis mutually perpendicular of interior piezometer pipe are provided with the feed liquor valve on the feed liquor pipe.
Further, the drain pipe is installed to interior piezometer tube bottom, and the drain pipe communicates with interior piezometer tube's bottom.
Further, a liquid outlet valve is arranged on the liquid outlet pipe.
Further, the drain pipe is coaxial with interior piezometer tube cooperation, and the connecting pipe of screw-thread fit connection is installed to the lower extreme of drain pipe, connecting pipe lower extreme fixed mounting at waste liquid recovery tank upper surface, and the connecting pipe axis is perpendicular with the upper surface of waste liquid recovery tank, and the through-hole coaxial with the connecting pipe has been seted up to the upper surface of waste liquid recovery tank, and the outer wall of waste liquid recovery tank is provided with the third external screw thread.
Further, an end cover is fixedly arranged on the lower surface of the waste liquid recovery box.
Further, the pressure measuring tube is sleeved with a storage barrel, and the storage barrel is of a hollow cylindrical structure with one end open.
Further, flexible tissues are arranged on the inner wall of the storage barrel, a second internal thread is formed in the inner wall of one end of the opening of the storage barrel, and the second internal thread is matched with a third external thread on the waste liquid recovery box.
The invention has the beneficial effects that:
1. The outer pressure measuring tube is sleeved on the inner pressure measuring tube, and the pressure measuring tube can be stretched and prolonged by only one doctor, so that the operation is convenient;
2. according to the invention, the waste liquid recovery box is arranged, so that the problem that waste liquid flows out of the pressure measuring pipe when medical staff takes down the pressure measuring pipe is solved;
3. According to the invention, the storage barrel is provided with the flexible tissue, and the storage barrel can be sleeved on the pressure measuring pipe after pressure measurement is completed, so that the shock-proof protection effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic cross-sectional view at A of the present invention;
fig. 4 is a partial schematic view of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1,2 and 3, the shrinkage pressure measuring tube for lumbar puncture comprises a pressure measuring tube 1, wherein the pressure measuring tube 1 comprises an inner pressure measuring tube 2 and an outer pressure measuring tube 3, and the outer pressure measuring tube 3 is sleeved on the inner pressure measuring tube 2;
The outer wall of the inner pressure measuring tube 2 is marked with scale marks, the outer wall of the upper end of the inner pressure measuring tube 2 is fixed with an annular first baffle plate 21, an annular groove is formed in the outer ring of the first baffle plate 21, a sealing ring 22 is arranged on the annular groove, a first external thread is arranged on the outer wall of one side of the inner pressure measuring tube 2, which is close to the first baffle plate 21, a second external thread is arranged on one side of the inner pressure measuring tube 2, which is close to the connecting tube, and the parameters of the first external thread and the second external thread are the same;
The outer wall of outer pressure measurement pipe 3 is marked with the scale mark, and outer pressure measurement pipe 3 inner wall passes through sealing washer 22 and closely laminates with first separation blade 21, and outer pressure measurement pipe 3 is rectilinear motion along the axis direction of interior pressure measurement pipe 2, and outer pressure measurement pipe 3's lower extreme inner wall fixed mounting has annular second separation blade 31, and first internal thread has been seted up to the inner circle of second separation blade 31, and the first internal thread of second separation blade 31 cooperates with the first external screw thread on the outer wall of interior pressure measurement pipe 2.
The side surface of the lower end of the inner pressure measuring tube 2 is communicated with a liquid inlet tube 4, the axis of the liquid inlet tube 4 is mutually perpendicular to the axis of the inner pressure measuring tube 2, and a liquid inlet valve 41 is arranged on the liquid inlet tube 4;
The drain pipe 5 is installed to the bottom of interior piezometer tube 2, drain pipe 5 and interior piezometer tube 2 intercommunication, and drain pipe 5 and interior piezometer tube 2 coaxial cooperation to the inside diameter external diameter of drain pipe 5 and interior piezometer tube 2 is the same, still is provided with drain valve 51 on the drain pipe 5.
When the pressure measuring device is used, the outer pressure measuring pipe 3 slides along the axial direction of the inner pressure measuring pipe 2, and when the first internal thread of the second baffle plate 31 is contacted with the first external thread of the inner pressure measuring pipe 2, the outer pressure measuring pipe 3 is rotated until the upper end surface of the second baffle plate 31 is attached to the lower end surface of the first baffle plate 21, so that the outer pressure measuring pipe 3 is fixed on the inner pressure measuring pipe 2;
The liquid inlet pipe 4 is connected with the puncture needle, the liquid outlet valve 51 is closed, the liquid inlet valve 41 is opened, cerebrospinal fluid enters the inner pressure measuring pipe 2 from the liquid inlet pipe 4, when the brain pressure of a patient is high, the cerebrospinal fluid continuously rises to the outer pressure measuring pipe 3, and a doctor reads the scale on the inner pressure measuring pipe 2 or the outer pressure measuring pipe 3 according to the liquid level.
The connecting pipe 6 that screw-fit is connected is installed to the lower extreme of drain pipe 5, and connecting pipe 6 lower extreme fixed mounting is at waste liquid recovery case 7 upper surface, and connecting pipe 6 axis is perpendicular with waste liquid recovery case 7 upper surface, and the through-hole coaxial with connecting pipe 6 has been seted up to waste liquid recovery case 7 upper surface, and waste liquid recovery case 7's lower fixed surface installs end cover 8, and waste liquid recovery case 7's outer wall is provided with the third external screw thread.
When the pressure measuring device is used, the end cover 8 is placed on a tabletop to keep the tabletop horizontal, so that the inner pressure measuring pipe 2 and the liquid outlet pipe 5 are vertical to the horizontal plane, the pressure measurement is more accurate, the liquid outlet pipe 5 is in threaded fit connection with the connecting pipe 6, the liquid outlet valve 51 is closed, and the pressure measurement is performed in the pressure measuring step;
After the pressure measurement is finished, the liquid inlet valve 41 is closed, the liquid outlet valve 51 is opened, and cerebrospinal fluid flows into the waste liquid recovery box 7 along with the liquid outlet pipe 5, so that the cerebrospinal fluid is prevented from flowing out of the pressure measurement pipe 1 when the pressure measurement pipe 1 is recovered;
The liquid outlet valve 51 is closed, the outer pressure measuring tube 3 is rotated to enable the first internal thread of the second baffle plate 31 to be separated from the first external thread, the outer pressure measuring tube 3 is retracted until the first internal thread of the second baffle plate 31 is contacted with the second external thread, the outer pressure measuring tube 3 is rotated to enable the first internal thread to be connected with the second external thread in a matched mode, the outer pressure measuring tube 3 and the inner pressure measuring tube 2 are kept fixed, and damage to the pressure measuring tube 1 due to vibration is prevented.
The pressure measuring tube 1 is sleeved with a storage barrel 9, as shown in fig. 4, the storage barrel 9 is of a hollow cylindrical structure with one end open, a flexible tissue is installed on the inner wall of the storage barrel 9, the flexible tissue comprises but is not limited to sponge, foam and the like, a second internal thread is formed on the inner wall of the one end open of the storage barrel 9, and the second internal thread is matched with a third external thread on the waste liquid recovery box 7.
After the use is finished, the storage barrel sleeve 9 is arranged on the pressure measuring tube 1, the storage barrel 9 is rotated to enable the second internal thread to be connected with the third external thread in a matched mode until the bottom end of the storage barrel 9 contacts with the end cover 8, the whole pressure measuring tube 1 is arranged in the storage barrel 9, the pressure measuring tube 1 is prevented from falling off and being broken due to the fact that flexible tissues are arranged on the inner wall of the storage barrel 9, a protection effect is achieved, the pressure measuring tube 1 is uniformly conveyed to a disinfection supply room for cleaning and disinfection after lumbar puncture operation is finished, the storage barrel 9 is only required to be opened during cleaning, the liquid outlet tube 5 is detached from the connecting tube 6, waste liquid is poured out from the waste liquid recovery box 7, and then the pressure measuring tube 1 and the waste liquid recovery box 7 are cleaned.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322548.3A CN111419209B (en) | 2020-04-22 | 2020-04-22 | A contractile pressure measuring tube for lumbar puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322548.3A CN111419209B (en) | 2020-04-22 | 2020-04-22 | A contractile pressure measuring tube for lumbar puncture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111419209A CN111419209A (en) | 2020-07-17 |
| CN111419209B true CN111419209B (en) | 2024-07-16 |
Family
ID=71554284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010322548.3A Expired - Fee Related CN111419209B (en) | 2020-04-22 | 2020-04-22 | A contractile pressure measuring tube for lumbar puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111419209B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212394913U (en) * | 2020-04-22 | 2021-01-26 | 南京脑科医院 | A retractable pressure measuring tube for lumbar puncture |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184484A (en) * | 1977-10-11 | 1980-01-22 | Ballard D. Wright | Body fluid pressure indicator and regulator and method for continuously regulating and monitoring the pressure of a body fluid |
| GB201001699D0 (en) * | 2010-02-02 | 2010-03-17 | Imp Innovations Ltd | Manometer and three-way valve |
| CN102133096B (en) * | 2011-03-09 | 2012-09-26 | 深圳市德普施科技有限公司 | Treatment instrument for intracranial pressure monitoring and drainage and replacement of cerebrospinal fluid |
| CN203169274U (en) * | 2013-05-02 | 2013-09-04 | 张波 | Disposable lumbar puncture needle |
| CA2822586A1 (en) * | 2013-08-01 | 2015-02-01 | Ying Chi HONG | A piezometer |
| CN204520782U (en) * | 2015-04-02 | 2015-08-05 | 刘赟 | A kind of ultrasound guidance amniocentesis device |
| CN209661744U (en) * | 2018-10-29 | 2019-11-22 | 南京脑科医院 | A kind of lumbar puncture needle |
| CN209678564U (en) * | 2018-10-30 | 2019-11-26 | 中国人民解放军陆军军医大学第一附属医院 | waist bag |
-
2020
- 2020-04-22 CN CN202010322548.3A patent/CN111419209B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212394913U (en) * | 2020-04-22 | 2021-01-26 | 南京脑科医院 | A retractable pressure measuring tube for lumbar puncture |
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| CN111419209A (en) | 2020-07-17 |
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