CN212521756U - Intracranial pressure monitoring system - Google Patents
Intracranial pressure monitoring system Download PDFInfo
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- CN212521756U CN212521756U CN202020444920.3U CN202020444920U CN212521756U CN 212521756 U CN212521756 U CN 212521756U CN 202020444920 U CN202020444920 U CN 202020444920U CN 212521756 U CN212521756 U CN 212521756U
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Abstract
The utility model discloses an intracranial pressure monitoring system, it includes intracranial pressure monitoring probe, atmospheric pressure monitoring devices and intracranial pressure detector, monitors absolute intracranial pressure and absolute atmospheric pressure respectively through intracranial pressure monitoring probe and atmospheric pressure monitoring devices, regards the difference of absolute intracranial pressure and absolute atmospheric pressure as intracranial pressure monitoring value. The intracranial pressure monitoring system does not need to reserve an air passage, is favorable for reducing the size of the whole probe and reduces the injury of a patient.
Description
Technical Field
The utility model relates to a medical instrument, concretely relates to intracranial pressure monitoring system.
Background
The intracranial pressure monitoring probe is usually used together with an intracranial pressure monitoring instrument for monitoring the intracranial pressure of a patient, thereby providing a basis for judging the condition of the patient and guiding treatment for medical staff.
At present, the existing intracranial pressure monitoring probes are divided into two types, one is an implanted intracranial fiber probe, and the type of probes has large volume, complex manufacturing process and low measurement precision; the other type is a differential pressure sensing type intracranial pressure monitoring probe, the measurement accuracy of the probe is higher than that of an optical fiber probe, an air passage and a differential pressure sensor are reserved in the probe, external atmospheric pressure can be transmitted into the probe, the differential pressure sensor obtains a pressure difference value under the combined action of the external atmospheric pressure and the intracranial pressure, but the intracranial pressure monitoring probe is implanted into the intracranial of a patient, the size of the probe can be applied to intracranial pressure monitoring only by being controlled to be small, the conventional differential pressure sensing type intracranial pressure monitoring probe needs to reserve the air passage to ensure ventilation volume when in processing, the volume is difficult to be small, the volume is reduced as far as possible, a large part of the space of the probe is occupied by the air passage, the space occupied by other parts in the probe is small, the processing accuracy requirement is high, the processing difficulty is high, and the cost is low.
SUMMERY OF THE UTILITY MODEL
In view of the above deficiencies of the prior art, an object of the present invention is to provide an intracranial pressure monitoring system to solve the problems of large probe volume, high price and complicated manufacturing process in the existing intracranial pressure monitoring system.
In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:
the utility model also provides an intracranial pressure monitoring system, include:
an intracranial pressure monitoring probe for monitoring absolute intracranial pressure;
an atmospheric pressure monitoring device for monitoring absolute atmospheric pressure; and
intracranial pressure monitor, it is used for obtaining the absolute intracranial pressure of intracranial pressure monitoring probe monitoring with the absolute atmospheric pressure of atmospheric pressure monitoring devices monitoring, and will absolute intracranial pressure with pressure differential between the absolute atmospheric pressure is as intracranial pressure monitoring value output, intracranial pressure monitor with intracranial pressure monitoring probe connects, intracranial pressure monitor with atmospheric pressure monitoring devices connects.
Optionally, the intracranial pressure monitoring probe comprises:
the probe comprises a probe body, wherein a groove is formed in the probe body;
the pressure sensor is fixed in the groove, and a sensing part facing the opening of the groove is arranged on the pressure sensor; and
the colloid is filled in the groove and coats the pressure sensor.
Optionally, the intracranial pressure detector is connected to the pressure sensor through a cable, the probe body is provided with a cable inlet, and the cable inlet is communicated with the groove; the pressure sensor is an absolute pressure type sensor; the cable is provided with a conductive core wire, the conductive core wire extends into the groove through the cable inlet, and the conductive core wire is correspondingly connected with the pressure sensor; the colloid comprises a soft colloid, and the soft colloid covers the sensing part.
Optionally, the groove is a stepped groove, the stepped groove includes a first groove and a second groove arranged at the bottom of the first groove, the pressure sensor is arranged on a stepped surface between the first groove and the second groove, a first hard colloid is filled in the second groove, and the first groove is filled with the soft colloid.
Optionally, the conductive core wire firstly extends into the second groove and then enters the first groove.
Optionally, the cable still includes the skin, the skin cladding is outside electrically conductive core line, the skin inserts in the cable entrance, just the skin is located outside the recess, the skin with through second ebonite fixed connection between the probe body.
Optionally, the probe body is integrally cylindrical, the outer contour of the second hard colloid is in arc transition with the probe body, and the top end of the probe body is a hemispherical surface.
Optionally, the whole probe body is cylindrical, the groove is located in the side wall of the probe body, the soft colloid is in contact with the side wall of the groove, and the positioning outer contour of the probe body is in arc transition with the contour of the soft colloid.
Optionally, the intracranial pressure monitoring probe further comprises a temperature sensor, the temperature sensor is encapsulated in the groove, and the temperature sensor and the pressure sensor are arranged along the axial direction of the probe body.
Optionally, the intracranial pressure monitoring probe is disposed in a drainage catheter.
The utility model discloses an among the intracranial pressure monitoring system, adopt the absolute pressure mode to measure intracranial pressure and atmospheric pressure respectively and acquire intracranial pressure monitoring, this internal air flue that need not of intracranial pressure probe is favorable to reducing the size of whole probe, reduces the patient damage.
Drawings
FIG. 1 is a schematic diagram showing the internal structure of an intracranial pressure monitoring probe;
FIG. 2 is a schematic structural view of a probe body;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a cross-sectional view of an intracranial pressure monitoring probe in accordance with the present invention;
fig. 5 is a block diagram showing the connection relationship between the components of the intracranial pressure monitoring system of the present invention (the atmospheric pressure monitoring device is installed outside the intracranial pressure monitor).
Fig. 6 is a block diagram showing the connection relationship between the components of the intracranial pressure monitoring system (the atmospheric pressure monitoring device is installed in the intracranial pressure monitor).
Part number description:
the probe body 1, the groove 11, the first groove 111, the second groove 112, the step surface 113, the cable inlet 12,
A pressure sensor 2, a sensing part 21,
A cable 3, a conductive core wire 31, an outer layer 32,
A first hard colloid 5,
A second hard colloid 6,
An intracranial pressure monitoring probe 100,
An atmospheric pressure monitoring device 200,
An intracranial pressure monitor 300.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Referring to fig. 5 and 6, the present invention further provides an intracranial pressure monitoring system, including:
an intracranial pressure monitoring probe 100, the intracranial pressure monitoring probe 100 for monitoring absolute intracranial pressure P1; and
an atmospheric pressure monitoring device 200, wherein the atmospheric pressure monitoring device 200 is used for monitoring an absolute atmospheric pressure P2, for example, the atmospheric pressure monitoring device 200 may also be an absolute pressure sensor 2;
The intracranial pressure monitor 300 can be directly connected with the intracranial pressure monitoring probe 100 through a cable; or the intracranial pressure monitoring probe 100 is connected with a signal sending box, and the signal sending box is wirelessly connected with the intracranial pressure monitor 300.
Correspondingly, utilize the utility model discloses an during intracranial pressure monitor probe monitor pressure, utilize intracranial pressure monitor probe 100 monitor patient's absolute intracranial pressure P1 and atmospheric pressure monitoring devices 200 monitor absolute atmospheric pressure P pressure earlier, calculate absolute intracranial pressure P1 and absolute atmospheric pressure P2's difference as intracranial pressure P again, P is P1-P2 promptly, through monitoring absolute intracranial pressure and absolute atmospheric pressure respectively, regard as intracranial pressure monitoring value with pressure differential again, overcome the lower problem of monitoring precision that current intracranial pressure monitor probe leads to because of atmospheric pressure loss in the air flue, be favorable to for the more accurate intracranial pressure of medical staff.
In practical implementation, the intracranial pressure monitoring probe 100 is disposed outside the intracranial pressure monitor 300, see fig. 5, and the atmospheric pressure monitoring device 200 can be disposed outside the intracranial pressure monitor 300, see fig. 6, and the atmospheric pressure monitoring device 200 can also be disposed outside the intracranial pressure monitor 300.
The utility model discloses an among the intracranial pressure monitoring system, monitor absolute intracranial pressure and absolute atmospheric pressure respectively through intracranial pressure monitor probe and atmospheric pressure monitoring devices, need not to set up the air flue among the intracranial pressure monitor probe for the space grow that each part can occupy is favorable to controlling the size of whole probe at less size within range.
Specifically, in some embodiments, referring to fig. 1 to 4 in combination, the intracranial pressure monitoring probe 100 includes a probe body 1, a pressure sensor 2, and a colloid, a groove 11 is provided on the probe body 1, the pressure sensor 2 is fixed in the groove 11, an opening sensing portion facing the groove 11 is provided on the pressure sensor 2, the colloid is filled in the groove, and the colloid covers the pressure sensor 2.
In some embodiments, the intracranial pressure detector 300 is connected to the pressure sensor 2 through the cable 3, the probe body 1 is provided with a cable inlet 12, the cable inlet 12 is communicated with the groove 11, the pressure sensor 2 is an absolute pressure sensor, the cable 3 has a conductive core wire 31, the conductive core wire 31 extends into the groove 11 through the cable inlet 12, the conductive core wire 31 is correspondingly connected to the pressure sensor 2, the colloid includes the soft colloid 4, and the soft colloid 4 covers the sensing portion 21.
The intracranial pressure monitoring probe has no air channel, low processing difficulty, high yield and lower cost, and is favorable for controlling the size of the whole probe within a smaller size range. For example, when the outer diameter of the cable is 0.7mm, the outer diameter of the probe body 1 can be controlled to be about 1.2mm, and the length of the probe body can be controlled to be about 4mm, or even smaller.
When utilizing this intracranial pressure monitoring probe monitoring patient intracranial pressure, on the effect of intracranial pressure acts on soft colloid 4 earlier, at the response portion 21 that acts on pressure sensor 2, pressure sensor 2 converts pressure signal into the signal of telecommunication, transmits the intracranial pressure monitor through the direction heart yearn, obtains patient's intracranial absolute pressure P1.
In some embodiments, the recess 11 is a stepped recess, the stepped recess includes a first recess 111 and a second recess 112 opened at the bottom of the first recess 111, the pressure sensor 2 is disposed on a stepped surface 113 between the first recess 111 and the second recess 112, the first hard colloid 5 is filled in the second recess 112, and the soft colloid 4 is filled in the first recess 111. At this moment, pressure sensor 2 realizes the location jointly through step face 113, first hard colloid 5 and soft colloid 4, and this kind of pressure sensor 2's location structure easily processes, and with low costs, and soft colloid 4 and first hard colloid 5 not only can fix a position pressure sensor 2, can also play insulating effect, avoid electrically conductive heart yearn 31 and unnecessary position contact.
In some embodiments, the conductive core 31 extends into the second groove 112 and then into the first groove 111, which can more reliably position the conductive core 31, and the conductive core 31 and the pressure sensor 2 are more reliably positioned.
In some embodiments, the cable 3 further includes an outer layer 32, the outer layer 32 covers the conductive core wire 31, the outer layer 32 is inserted into the cable inlet 12, the outer layer 32 is located outside the groove 11, and the outer layer 32 is fixedly connected to the probe body 1 through a second hard colloid 6.
In the practical implementation process, the first hard colloid 5 and the second hard colloid 6 can both adopt epoxy resin, the soft colloid 4 can adopt soft silicon rubber, the material of the probe body 1 can be pure titanium, ceramic or polymer plastic material and the like, and the contact requirement of various materials with a human body meets the biological evaluation. The outer layer 32 of the cable can be made of plastic material, and the conductive core 31 can be made of copper-silver alloy.
In some embodiments, the probe body 1 is cylindrical as a whole, the outer contour of the second hard colloid 6 is in arc transition with the probe body 1, and the outer contour of the whole probe body 1 is smoother, which is beneficial to reducing the damage of the probe to the tissues of the patient.
In some embodiments, the probe body 1 is cylindrical as a whole, and the top end of the probe body 1 is a hemispherical surface, which is also beneficial to reducing the damage of the probe to the tissues of the patient.
In some embodiments, the probe body 1 is cylindrical, the groove 11 is located in the side wall of the probe body 1, the soft colloid 4 is in contact with the side wall of the groove 11, and the positioning outer contour of the probe body 1 and the contour of the soft colloid 4 are in arc transition, so that the damage of the edge contour of the groove 11 to the tissue of a patient can be avoided.
In some embodiments, the intracranial pressure monitoring probe further includes a temperature sensor (not shown), the temperature sensor is encapsulated in the groove 11, and the temperature sensor and the pressure sensor 2 are arranged along the axial direction of the probe body 1, and this arrangement mode enables the whole intracranial pressure monitoring probe to also realize the monitoring of the intracranial temperature without increasing the outer diameter.
In some embodiments, the intracranial pressure monitoring probe is disposed in a drainage catheter (not shown) and is capable of simultaneously monitoring intracranial pressure of a patient while performing cerebrospinal fluid drainage.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not being in direct contact, but rather being in contact with each other via additional features between them. The third feature being "between" the first and second features may include the third feature being in direct contact with the first and second features, or the third feature being in contact with the first and second features, not directly, but via another feature therebetween.
In the description of the invention, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, components, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, and/or groups thereof.
Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An intracranial pressure monitoring system, comprising:
an intracranial pressure monitoring probe for monitoring absolute intracranial pressure;
an atmospheric pressure monitoring device for monitoring absolute atmospheric pressure; and
intracranial pressure monitor, it is used for obtaining the absolute intracranial pressure of intracranial pressure monitoring probe monitoring with the absolute atmospheric pressure of atmospheric pressure monitoring devices monitoring, and will absolute intracranial pressure with pressure differential between the absolute atmospheric pressure is as intracranial pressure monitoring value output, intracranial pressure monitor with intracranial pressure monitoring probe connects, intracranial pressure monitor with atmospheric pressure monitoring devices connects.
2. The intracranial pressure monitoring system as recited in claim 1, wherein the intracranial pressure monitoring probe comprises:
the probe comprises a probe body, wherein a groove is formed in the probe body;
the pressure sensor is fixed in the groove, and a sensing part facing the opening of the groove is arranged on the pressure sensor; and
the colloid is filled in the groove and coats the pressure sensor.
3. The intracranial pressure monitoring system as recited in claim 2, wherein the intracranial pressure detector is connected to the pressure sensor via a cable, and the probe body is provided with a cable inlet, and the cable inlet is communicated with the groove; the pressure sensor is an absolute pressure type sensor; the cable is provided with a conductive core wire, the conductive core wire extends into the groove through the cable inlet, and the conductive core wire is correspondingly connected with the pressure sensor; the colloid comprises a soft colloid, and the soft colloid covers the sensing part.
4. Intracranial pressure monitoring system according to claim 3, wherein: the groove is a stepped groove, the stepped groove comprises a first groove and a second groove arranged at the bottom of the first groove, the pressure sensor is arranged on a step surface between the first groove and the second groove, a first hard colloid is filled in the second groove, and the first groove is filled with the soft colloid.
5. Intracranial pressure monitoring system according to claim 4, wherein: the conductive core wire firstly extends into the second groove and then enters the first groove.
6. Intracranial pressure monitoring system according to claim 3, wherein: the cable still includes the skin, the skin cladding is outside electrically conductive core line, the skin inserts in the cable entrance, just the skin is located outside the recess, the skin with through second hard colloid fixed connection between the probe body.
7. Intracranial pressure monitoring system according to claim 6, wherein: the whole probe body is cylindrical, the outer contour of the second hard colloid is in arc transition with the probe body, and the top end of the probe body is a hemispherical surface.
8. Intracranial pressure monitoring system according to claim 3, wherein: the whole probe body is cylindrical, the groove is formed in the side wall of the probe body, the soft colloid is in contact with the side wall of the groove, and the positioning outline of the probe body and the outline of the soft colloid are in arc transition.
9. Intracranial pressure monitoring system according to claim 3, wherein: the temperature sensor is packaged in the groove, and the temperature sensor and the pressure sensor are arranged along the axial direction of the probe body.
10. Intracranial pressure monitoring system according to claim 3, wherein: the intracranial pressure monitoring probe is arranged in the drainage catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020444920.3U CN212521756U (en) | 2020-03-31 | 2020-03-31 | Intracranial pressure monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020444920.3U CN212521756U (en) | 2020-03-31 | 2020-03-31 | Intracranial pressure monitoring system |
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| CN212521756U true CN212521756U (en) | 2021-02-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113080922A (en) * | 2021-03-22 | 2021-07-09 | 清华大学深圳国际研究生院 | Packaging structure and method of catheter type intracranial pressure measuring probe |
| CN113133751A (en) * | 2021-03-30 | 2021-07-20 | 杭州未名信科科技有限公司 | Measuring line and method for electrically leading out a measuring line |
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2020
- 2020-03-31 CN CN202020444920.3U patent/CN212521756U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113080922A (en) * | 2021-03-22 | 2021-07-09 | 清华大学深圳国际研究生院 | Packaging structure and method of catheter type intracranial pressure measuring probe |
| CN113133751A (en) * | 2021-03-30 | 2021-07-20 | 杭州未名信科科技有限公司 | Measuring line and method for electrically leading out a measuring line |
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