CN106343998B - Sealing structure and test system of probe - Google Patents
Sealing structure and test system of probe Download PDFInfo
- Publication number
- CN106343998B CN106343998B CN201610859861.4A CN201610859861A CN106343998B CN 106343998 B CN106343998 B CN 106343998B CN 201610859861 A CN201610859861 A CN 201610859861A CN 106343998 B CN106343998 B CN 106343998B
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- probe
- sealing
- sensor
- pressure
- joint
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- 239000000523 sample Substances 0.000 title claims abstract description 73
- 238000007789 sealing Methods 0.000 title claims abstract description 68
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000007917 intracranial administration Methods 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 210000002445 nipple Anatomy 0.000 description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- A61B5/031—Intracranial pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/04—Constructional details of apparatus
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Neurosurgery (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a sealing structure of a probe and a test system, wherein the probe is used for detecting intracranial pressure and comprises a sensor, a probe joint and a lead for connecting the sensor and the probe joint, and the sealing structure comprises a protection tube surrounding the periphery of the lead and a sealing joint surrounding the periphery of the protection tube. The sealing structure and the testing system of the probe have the advantages of good sealing effect, high product quality and higher working efficiency.
Description
Technical Field
The invention relates to the field of medical treatment, in particular to a sealing structure of a probe and a test system.
Background
The probe for detecting intracranial pressure needs to be calibrated and tested in the production process to check whether the probe is qualified or not, so that the intracranial pressure can be accurately detected in the process of treating a patient. Generally, the test of the probe needs to put the sensor end of the probe into a pressure-adjustable closed cavity, which involves the problem of sealing the probe, and if the sealing is not good, the tested pressure is not accurate. The current process generally adopts a dispensing method, and the serious defects of the method are that after the test is finished, the removal of the glue is troublesome and the probe lead is very easy to damage. In addition, the production efficiency is low, the speed is slow, and the subsequent production capacity cannot be improved.
Disclosure of Invention
The invention aims to provide a sealing structure and a testing system of a probe, which have the advantages of good sealing effect, high product quality and higher working efficiency.
In order to achieve one of the above objects, an embodiment of the present invention provides a sealing structure of a probe, wherein the probe is used for detecting intracranial pressure, the probe comprises a sensor, a probe connector, and a lead connecting the sensor and the probe connector, and the sealing structure comprises a protection tube surrounding the periphery of the lead and a sealing connector surrounding the periphery of the protection tube.
As a further improvement of an embodiment of the present invention, the protective tube has a certain elasticity.
As a further improvement of an embodiment of the present invention, the protection tube is a silicone tube.
As a further improvement of an embodiment of the present invention, the protection tube has a seal portion and a guide portion, an outer diameter of the guide portion being smaller than an outer diameter of the seal portion.
As a further improvement of an embodiment of the present invention, a C-shaped angle transition connection is adopted between the guiding portion and the sealing portion.
As a further improvement of an embodiment of the present invention, the sealing joint includes a guide pipe and an air joint detachably connected to the guide pipe, an outer diameter of the guide pipe is larger than an outer diameter of the air joint, the guide pipe is provided with a central hole portion, and the air joint is provided with a through hole communicated with the central hole portion.
As a further improvement of an embodiment of the present invention, a threaded connection is adopted between the conduit and the gas joint.
As a further improvement of an embodiment of the present invention, the conduit is made of POM, acrylic or metal.
In order to achieve one of the above objects, an embodiment of the present invention provides a test system for testing a probe, where the test system includes a sealing structure of the probe according to any one of the above technical solutions, a monitor connected to the probe connector, and a sealed container connected to the probe and isolated from the atmosphere, where the sealed container contains a liquid for submerging the sensor, the monitor is configured to measure and display a pressure sensed by the sensor, the test system further includes a pressure pump for providing a pressure source for the sealed container, and a pressure gauge for detecting and displaying a pressure in the sealed container, and compares a pressure value sensed by the sensor with a pressure value displayed by the pressure gauge to determine whether the probe is qualified, and if the pressure value sensed by the sensor is the same as the pressure value displayed by the pressure gauge, the probe is qualified, and if the pressure value sensed by the sensor is not the same as the pressure value displayed by the pressure gauge, the probe is unqualified.
As a further improvement of an embodiment of the present invention, the sealing portion is adjacent to the closed vessel, and the duct is adjacent to the closed vessel.
As a further improvement of an embodiment of the present invention, when the sealing joint is fitted to the outer periphery of the protective tube, the protective tube is compressed in the extending direction of the lead wire.
Compared with the prior art, the invention has the beneficial effects that: in the invention, the sealing structure comprises the protection tube surrounding the periphery of the lead and the sealing joint surrounding the periphery of the protection tube, so that the sealing effect of the probe is better, the lead cannot be damaged, the product quality is greatly improved, in addition, the operation is simple and convenient, the assembling and disassembling speed is high, and the working efficiency is greatly improved. Therefore, the invention has good sealing effect, high product quality and higher working efficiency.
Drawings
FIG. 1 is a schematic diagram of a test system for testing a probe head in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a sealing structure of a probe in an embodiment of the invention, the sealing structure being in the process of assembly;
FIG. 3 is a cross-sectional view of a seal structure of the probe in an embodiment of the invention, the seal structure being assembled in place;
FIG. 4 is a cross-sectional view of the protective tube of FIG. 3;
fig. 5 is a cross-sectional view of the sealing joint of fig. 3.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
As shown in fig. 1-4, a preferred embodiment of the present invention provides a testing system for testing a probe to determine whether the probe is acceptable, wherein the probe is used for detecting intracranial pressure in a patient. The test system includes a sealed configuration of the probe including the sensor 10, the probe fitting 12, and the wire 14 connecting the sensor 10 and the probe fitting 12, the sealed configuration including a protective tube 16 surrounding the wire 14 and a sealing fitting 18 surrounding the protective tube 16. The test system further comprises a monitor 20 connected with the probe connector 12, a closed container 22 connected with the probe and isolated from the atmosphere, liquid 23 used for submerging the sensor 10 is contained in the closed container 22, the monitor 20 is used for measuring and displaying pressure sensed by the sensor 10, the test system further comprises a pressure pump 24 used for providing a pressure source for the closed container 22 and a pressure gauge 26 used for detecting and displaying pressure in the closed container 22, whether the probe is qualified is judged by comparing the pressure value sensed by the sensor 10 with the pressure value displayed by the pressure gauge 26, if the pressure value sensed by the sensor 10 is the same as the pressure value displayed by the pressure gauge 26, the probe is qualified, and if the pressure value sensed by the sensor 10 is not the same as the pressure value displayed by the pressure gauge 26, the probe is unqualified.
In the preferred embodiment, the sealing structure comprises a protection tube 16 surrounding the periphery of the lead 14 and a sealing joint 18 surrounding the periphery of the protection tube 16, so that the sealing effect of the probe is better, the lead 14 cannot be damaged, the product quality is greatly improved, the operation is simple and convenient, the assembling and disassembling speed is high, and the working efficiency is greatly improved. Therefore, the invention has good sealing effect, high product quality and higher working efficiency.
Preferably, the sensor 10 portion is 1.2mm in diameter and 4mm in length. Of course, the diameter of the sensor 10 portion is not limited to 1.2mm, and may be provided in other sizes, and the length is not limited to 4mm, and may be provided in other lengths. The diameter of the wire 14 is 0.7mm, but the diameter of the wire 14 is not limited to 0.7mm and may be set to other sizes. In addition, in order to protect the connection between the lead wire 14 and the probe tip 12, a sleeve having a diameter of 1.27mm and a length of 20mm is sleeved on the lead wire 14 adjacent to the probe tip 12. Likewise, other diameters and other lengths of the cannula are possible. Furthermore, in order to protect the connection between the lead 14 and the sensor 10, a protective paste having a diameter of not more than 1.5mm is dispensed at the connection point of the lead 14 and the sensor 10.
In the preferred embodiment, the protective tube 16 has a certain elasticity. Thus, when the sealing joint 18 is fitted to the outer periphery of the protective tube 16, the protective tube 16 is compressed in the extending direction of the wires 14, so that the sealing effect is better.
Preferably, the protective tube 16 is a silicone tube. Of course, the protection tube 16 may be made of other materials.
Specifically, the protection tube 16 includes a sealing portion 28 and a guiding portion 30, an outer diameter of the sealing portion 28 is larger than an outer diameter of the guiding portion 30, and the sealing portion 28 and the guiding portion 30 are connected by a C-shaped angle transition.
The sealing portion 28 and the guiding portion 30 of the protection pipe 16 each have a hollow portion, and after the guiding portion 30 is inserted into the sealing joint 18, the sealing portion 28 and the sealing joint 18 are connected in an airtight manner. The inner diameters of the seal portion 28 and the guide portion 30 are preferably 1.5mm, but the inner diameters of the seal portion 28 and the guide portion 30 may be other sizes, and the inner diameters are not limited to 1.5mm. The length of the seal part 28 was 20mm, and the outer diameter was 3mm. Of course, the length of the seal portion 28 is not limited to 20mm, and the outer diameter thereof is not limited to 3mm. The guide part 30 has a length of 40mm and an outer diameter of 2.5mm. Of course, the length of the guide portion 30 is also not limited to 40mm, and the outer diameter thereof is not limited to 2.5mm. The guide portion 30 is not limited to a tubular shape, and may be a separate whisker shape, and may have a certain strength as long as it can naturally pass through the seal joint 18.
The sealing joint 18 comprises a guide pipe 32 and an air joint 34 detachably connected with the guide pipe 32, the outer diameter of the guide pipe 32 is larger than that of the air joint 34, a middle hole part 33 is arranged on the guide pipe 32, and a through hole 35 communicated with the middle hole part 33 is arranged on the air joint 34.
The conduit 32 is connected to the gas connector 34 by a screw thread. Of course, other connections between the conduit 32 and the air terminal 34 may be used. In the preferred embodiment, the conduit 32 is a cylinder, however, the conduit 32 may be configured in other shapes and is not limited to a cylinder. The diameter of the middle hole portion 33 was 2.6mm, and the length of the middle hole portion 33 was 20mm. Of course, the diameter of the middle hole portion 33 is not limited to 2.6mm, and the length of the middle hole portion 33 is also not limited to 20mm. In the preferred embodiment, the gas connector 34 and the connecting conduit 32 can be easily and quickly connected to the adjustable pressure containment vessel 22.
In the preferred embodiment, the conduit 32 is made of POM, acrylic or metal.
When the seal is to be assembled, the protective tube 16 is first passed over the sensor 10 end of the probe, over the conductor 14 and onto the sleeve adjacent the probe fitting 12, and the larger diameter seal 28 of the protective tube 16 is first passed over the sensor 10 of the probe during assembly. The sealing nipple 18 is then passed from the sensor 10 end of the probe over the lead 14. The sealing nipple 18 is inserted into a guide 30 of the protective tube 16, which has a smaller diameter, as far as the connection transition between the guide 30 and the sealing portion 28, which has a small outer diameter to a large outer diameter. A section of the guide portion 30 is exposed at the gas connection 34 of the sealing joint 18. The length of the guide portion 30 exposed is 10mm, but the length of the exposure is not limited to 10mm. The sealing nipple 18 is then secured with a tool such as a forceps, and a section of the guide portion 30 exposed at the lower end gas nipple 34 of the sealing nipple 18 is slowly pulled down with force, taking care not to clamp the lead wire 14 of the probe, and the probe is moved down with the protective tube 16 until the sealing portion 28 is adjacent the closed container 22 and the conduit 32 is adjacent the closed container 22. The seal between the probe, the protective tube 16 and the sealing joint 18 is now complete. Finally, the probe, the sealing joint 18 and the protection tube 16 can be inserted into the pressure-adjustable sealed container to complete the test of the probe.
In addition, the procedure of removing the probe is contrary to the above-described assembling procedure, and the other end of the protective tube 16 is pulled by a tool such as tweezers, and care should be taken not to clamp the lead 14 of the probe.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A sealing structure of a probe for detecting intracranial pressure, the probe comprising a sensor
The sensor, probe joint, connect sensor and probe joint's wire, its characterized in that, seal structure including encircle in the peripheral protection tube of wire and encircle in the peripheral sealing joint of protection tube, the protection tube has sealing portion and guide portion, the external diameter of guide portion is less than the external diameter of sealing portion, sealing portion with the guide portion all has well kenozooecium, the guide portion part accept in sealing joint, part sealing portion with sealing joint airtight connection, sealing joint include the pipe and with the pipe can dismantle the gas joint of being connected.
2. The sealing structure of a probe according to claim 1, wherein the protective tube has a certain elasticity.
3. The sealing structure of the probe according to claim 1, wherein the protective tube is a silicone tube.
4. The sealing structure of the probe according to claim 1, wherein a C-shaped angle transition connection is adopted between the guide part and the sealing part.
5. The sealing structure of a probe according to claim 1, wherein an outer diameter of the guide tube is larger than an outer diameter of the air terminal, the guide tube is provided with a central hole portion, and the air terminal is provided with a through hole communicating with the central hole portion.
6. The seal structure of the probe of claim 5, wherein the conduit is in threaded connection with the gas connector.
7. The sealing structure of the probe according to claim 5, wherein the conduit is made of POM, acrylic or metal.
8. A test system for testing a probe, which is characterized in that the test system comprises a sealing structure of the probe according to any one of claims 1 to 7, a monitor connected with the probe connector, a closed container connected with the probe and isolated from the atmosphere, wherein liquid for submerging the sensor is contained in the closed container, the monitor is used for measuring and displaying the pressure sensed by the sensor, the test system further comprises a pressure pump for providing a pressure source for the closed container and a pressure gauge for detecting and displaying the pressure in the closed container, the pressure value sensed by the sensor and the pressure value displayed by the pressure gauge are compared to judge whether the probe is qualified, if the pressure value sensed by the sensor is the same as the pressure value displayed by the pressure gauge, the probe is unqualified, and if the pressure value sensed by the sensor is not the same as the pressure value displayed by the pressure gauge, the probe is unqualified.
9. The testing system of claim 8, wherein the seal is adjacent the containment vessel and the conduit is adjacent the containment vessel.
10. The test system according to claim 9, wherein the protective tube is compressed in an extending direction of the wire when the sealing joint is fitted to a periphery of the protective tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610859861.4A CN106343998B (en) | 2016-09-28 | 2016-09-28 | Sealing structure and test system of probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610859861.4A CN106343998B (en) | 2016-09-28 | 2016-09-28 | Sealing structure and test system of probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106343998A CN106343998A (en) | 2017-01-25 |
| CN106343998B true CN106343998B (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610859861.4A Active CN106343998B (en) | 2016-09-28 | 2016-09-28 | Sealing structure and test system of probe |
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| Country | Link |
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| CN (1) | CN106343998B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107518882B (en) * | 2017-08-15 | 2020-11-10 | 长飞光纤光缆股份有限公司 | Interventional pressure probe calibrating device |
| CN115399746B (en) * | 2022-11-02 | 2023-02-14 | 华科精准（北京）医疗科技有限公司 | Intracranial pressure monitoring system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0048531A1 (en) * | 1980-09-24 | 1982-03-31 | METABO S.A. Construction d'appareils scientifiques et médicaux | Device for measuring pressure at hardly accessible places |
| US4393878A (en) * | 1980-11-28 | 1983-07-19 | Meadox Instruments, Inc. | Pressure monitoring method and apparatus |
| DE4036355A1 (en) * | 1990-11-15 | 1992-05-21 | Messgeraetewerk Zwoenitz Gmbh | Medical pressure measurement catheter for internal use - has pressure sensor mounted in channel housing via sealing, incompressible, elastic coupling body |
| US5388583A (en) * | 1993-09-01 | 1995-02-14 | Uab Vittamed | Method and apparatus for non-invasively deriving and indicating of dynamic characteristics of the human and animal intracranial media |
| US5579774A (en) * | 1994-03-07 | 1996-12-03 | Camino Neurocare, Inc. | Method and apparatus for monitoring local cerebral physiology |
| CN102205162A (en) * | 2011-06-17 | 2011-10-05 | 南京航空航天大学 | Drain tube for intracranial pressure monitoring |
| CN105125201A (en) * | 2015-09-29 | 2015-12-09 | 江苏爱思普医疗科技有限公司 | Implantable intracranial pressure monitoring probe |
-
2016
- 2016-09-28 CN CN201610859861.4A patent/CN106343998B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0048531A1 (en) * | 1980-09-24 | 1982-03-31 | METABO S.A. Construction d'appareils scientifiques et médicaux | Device for measuring pressure at hardly accessible places |
| US4393878A (en) * | 1980-11-28 | 1983-07-19 | Meadox Instruments, Inc. | Pressure monitoring method and apparatus |
| DE4036355A1 (en) * | 1990-11-15 | 1992-05-21 | Messgeraetewerk Zwoenitz Gmbh | Medical pressure measurement catheter for internal use - has pressure sensor mounted in channel housing via sealing, incompressible, elastic coupling body |
| US5388583A (en) * | 1993-09-01 | 1995-02-14 | Uab Vittamed | Method and apparatus for non-invasively deriving and indicating of dynamic characteristics of the human and animal intracranial media |
| US5579774A (en) * | 1994-03-07 | 1996-12-03 | Camino Neurocare, Inc. | Method and apparatus for monitoring local cerebral physiology |
| CN102205162A (en) * | 2011-06-17 | 2011-10-05 | 南京航空航天大学 | Drain tube for intracranial pressure monitoring |
| CN105125201A (en) * | 2015-09-29 | 2015-12-09 | 江苏爱思普医疗科技有限公司 | Implantable intracranial pressure monitoring probe |
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| CN106343998A (en) | 2017-01-25 |
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Address after: Building C16, biological nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province Patentee after: Jingyu Medical Technology (Suzhou) Co.,Ltd. Address before: 215123 C16, biological nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province Patentee before: SCENERAY Co.,Ltd. |
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