Pressure and temperature correction jig for intracranial pressure probe

By designing a pressure-temperature calibration fixture for intracranial pressure probes and using a constant temperature chamber to simulate the intracranial environment, the accuracy of probe calibration and operational efficiency have been improved, solving the problems of poor probe calibration accuracy and cumbersome operation in existing technologies.

CN223678713UActive Publication Date: 2025-12-16BEIJING MEIKE YOULIAN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520173510.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-26
Publication Date
2025-12-16
Estimated Expiration
2035-01-26

AI Technical Summary

Technical Problem

Existing intracranial pressure probes are easily affected by the environment during calibration, resulting in poor accuracy. Furthermore, human error leads to calibration errors and cumbersome operations, affecting treatment efficiency.

Method used

A pressure and temperature calibration fixture for an intracranial pressure probe was designed, including a fixture panel, a constant temperature chamber, a probe locking part, a temperature monitoring part, and a tracheal connector. The constant temperature chamber simulates the intracranial environment to achieve precise temperature and air pressure control, thereby improving calibration accuracy and efficiency.

Benefits of technology

This improved the accuracy of probe calibration, reduced the number of calibrations and human error, and increased operational efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to an intracranial pressure probe pressure and temperature correction jig which is characterized in that an inner cavity is formed in a jig panel part, and water is arranged in the cavity; an opening is formed in the upper portion of the constant temperature box, and the jig panel part is embedded in the opening; the probe locking part is arranged at the top of the jig panel part; the intracranial pressure probe wire penetrates through the probe locking part and is fixed by the probe locking part; the temperature monitoring part is arranged at the top of the jig panel part; the air pipe joint is arranged at the top of the jig panel part; during correction, gas is conveyed into the jig panel part through the gas pipe connector, the water temperature of a cavity in the jig panel part is monitored through the temperature monitoring part, the intracranial environment is simulated, and probe correction of the intracranial pressure probe line is completed. According to the utility model, the complexity of repeated correction caused by poor precision induction of the probe during correction is solved, and the problems of correction error and patient treatment delay caused by personal error are also solved at the same time.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical instruments, and particularly relates to an intracranial pressure probe pressure temperature correction jig. BACKGROUND

[0002] The intracranial pressure probe is used for neurosurgery, monitors intracranial pressure and temperature, and is suitable for severe conditions such as craniocerebral injury. The probe contains a micro sensor, can be placed in the intracranial cavity such as the cerebral ventricle to collect signals, is converted into an electric signal and is digitally processed, real-time data is transmitted to a monitor to be displayed, and a doctor masters the intracranial condition of a patient through the monitor to assist in adjusting a treatment plan. Therefore, accurate measurement of pressure and temperature is crucial.

[0003] However, the probe is easily affected by the environment, medical staff usually need to correct and zero in water before using the probe, and then use the probe for patient monitoring after zeroing according to the correction value displayed by the monitor. Once the probe precision is poor, correction needs to be repeated, which not only causes inconvenience in use, but also causes correction errors and delays in patient treatment due to human errors. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an intracranial pressure probe pressure temperature correction jig which can improve the accuracy of the environment required for probe correction and reduce the correction and conditioning frequency.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] An intracranial pressure probe pressure temperature correction jig, characterized by comprising:

[0007] A jig panel part is provided with an internal cavity, and water is arranged in the cavity;

[0008] A thermostat is internally provided with water, and the upper part is open, and the jig panel part is embedded at the opening;

[0009] A probe locking part is arranged at the top of the jig panel part;

[0010] An intracranial pressure probe line penetrates through the probe locking part and is fixed by the probe locking part;

[0011] A temperature monitoring part is arranged at the top of the jig panel part and is used for monitoring the water temperature in the internal cavity of the jig panel part;

[0012] A tracheal connector is arranged at the top of the jig panel part;

[0013] During calibration, gas is delivered to the inside of the jig panel part through the tracheal joint, and the water temperature of the inside cavity of the jig panel part is monitored by the temperature monitoring part, the intracranial environment is simulated, and the probe calibration of the intracranial pressure probe line is completed.

[0014] Further, the jig panel part comprises:

[0015] A panel is connected to the probe locking part, the temperature monitoring part and the tracheal joint through the hole positions arranged on the surface respectively.

[0016] A base and an opening at the top, the panel is embedded in the opening.

[0017] A sealing ring is arranged between the base and the panel to form a sealed space.

[0018] Further, the probe locking part comprises a first locking part, a second locking part and a silica gel sleeve, the silica gel sleeve is arranged between the first locking part and the second locking part, and the silica gel sleeve is pressed by the pressing part arranged in the first locking part, the silica gel sleeve is pressed after deformation, and the intracranial pressure probe line is pressed, and the second locking part is connected to the panel near the end of the thermostat.

[0019] Further, the temperature monitoring part comprises a connecting rod and a temperature probe, and the two ends of the connecting rod are connected with the temperature probe and the panel respectively.

[0020] Further, the temperature probe extends to the thermostat through the hole position arranged on the base, and the extending end is sleeved in the probe protection sleeve, and the end of the probe protection sleeve away from the thermostat is connected with the base.

[0021] Further, the jig panel part further comprises a handle, and the handle is symmetrically arranged on both sides of the panel.

[0022] Further, the panel and the base are fixed by a plurality of fixed bolts.

[0023] Further, the handle is connected with the jig panel part by means of bolting.

[0024] Further, the sealing ring is made of silica gel material.

[0025] Further, the probe protection sleeve is made of metal material.

[0026] Compared with the prior art, the utility model has the beneficial effects that:

[0027] The utility model discloses a jig faceplate part is set on the top of the jig faceplate part with the probe locking part, temperature monitoring part and tracheal joint, and the preparation of the intracranial pressure probe correction is completed, then the overall device after combination is placed on the constant temperature box with water, and the constant temperature box can carry out temperature conduction to the jig faceplate part, specifically, when needing to correct the intracranial pressure probe, the temperature that conduction comes up reaches the specified temperature through the monitoring of temperature monitoring part first, then the internal cavity of jig faceplate part reaches the specified air pressure through tracheal joint, and the correction condition that the intracranial pressure probe needs is simulated finally, because it has accurate temperature and air pressure control condition, the problem that the probe precision induction is poor and the correction precision is poor because the personnel operation has the mistake when the medical staff is in traditional correction is solved, and the device can load considerable intracranial pressure probe at a time, and the correction efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the explosion map of the utility model;

[0029] Figure 2 It is the explosion map of the utility model and constant temperature box;

[0030] Figure 3 It is the explosion bottom view of the utility model and constant temperature box;

[0031] Figure 4 It is the combination drawing of the utility model and constant temperature box;

[0032] Figure 5 It is the explosion map of the locking part of the utility model;

[0033] Figure 6 It is the explosion bottom view of the locking part of the utility model;

[0034] Figure 7 It is the combination drawing of the locking part of the utility model;

[0035] Figure 8 It is Figure 6 Partial enlarged view;

[0036] Figure 9 It is the temperature probe part drawing of the utility model.

[0037] In the drawing: 1, probe locking part;10, first locking part;101, press part;11, second locking part;12, silica gel cover;2, temperature monitoring part;20, connecting rod;21, temperature probe;3, jig faceplate part;30, faceplate;31, handle;32, sealing ring;33, base;34, fixed bolt;4, tracheal joint;5, probe protection cover;6, constant temperature box;7, intracranial pressure probe line. DETAILED DESCRIPTION

[0038] In order to make the technical means, creation characteristics, achieve the purpose and effect of the utility model easy to understand, the following will be further described in conjunction with specific embodiments, but the following examples are only preferred embodiments of the utility model, not all. Based on the examples in the embodiments, other examples obtained by those skilled in the art without creative work belong to the protection scope of the utility model. The experimental method in the following examples, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following examples, unless otherwise specified, can be obtained from commercial channels.

[0039] As Figures 1-9 In the embodiment, including: jig panel part 3 and thermostat 6;

[0040] Wherein, the upper part of thermostat 6 is opened, the inside of the box is filled with water, and the jig panel part 3 is embedded in the opening of the box;

[0041] It should be noted that the jig panel part 3 includes: panel 30, base 33 and sealing ring 32 three parts;

[0042] Wherein, the inside of base 33 is provided with water, the top is opened, the opening is integrated with panel 30, and sealing ring 32 is arranged between base 33 and panel 30, so as to form a sealed space;

[0043] It should be noted that the panel 30 and the base 33 are respectively provided with the hole positions corresponding to each other;

[0044] The hole position on the surface of panel 30 is used to connect the probe locking part 1, and the inside of probe locking part 1 is provided with intracranial pressure probe line 7;

[0045] Wherein, the probe locking part 1 includes: first locking part 10, second locking part 11 and silica gel sleeve 12; The silica gel sleeve 12 is arranged between the first locking part 10 and the second locking part 11;

[0046] It should be noted that the silica gel sleeve 12 is a double circular table, which is composed of the bottom surface of two circular tables and is arranged in the groove opened in the end of the second locking part 11 away from the panel 30;

[0047] Specifically, when the intracranial pressure probe line 7 needs to be fixed, first, the silicone sleeve 12 is aligned with the axis center of the second locking part 11 and placed in the groove of the second locking part 11, then the end of the first locking part 10 provided with the pressing part 101 moves towards the second locking part 11, the pressing part 101 extrudes the side wall of the silicone sleeve 12 through the thread cooperation of the first locking part 10 and the second locking part 11, and the silicone sleeve 12 is compressed towards the central axis, when the first locking part 10 and the second locking part 11 are not completely locked, the intracranial pressure probe line 7 is passed from the end of the first locking part 10, and then passed through the silicone sleeve 12 and the second locking part 11 in sequence, after reaching the designated position, the first locking part 10 is rotated again until the silicone sleeve 12 completely extrudes the intracranial pressure probe line 7, and finally the whole is installed on the panel 30, at this time the probe of the intracranial pressure probe line 7 is arranged in the water contained in the base 33;

[0048] The reserved hole position on the surface of the panel 30 is also used to connect the temperature monitoring part 2 for monitoring the temperature of the water;

[0049] The temperature monitoring part 2 comprises a connecting rod 20 and a temperature probe 21, and the two ends of the connecting rod 20 are connected with the temperature probe 21 and the panel 30 respectively.

[0050] It should be noted that the temperature probe 21 is fixed through the connecting rod 20, and the temperature probe 21 extends to the thermostat 6 through the hole position provided by the base 33.

[0051] Specifically, the temperature probe 21 mainly monitors the water temperature in the base 33, and secondarily monitors the water in the thermostat 6, first, when the temperature has not reached the specified temperature, the thermostat 6 needs to conduct the temperature to the jig panel part 3, at this time the two numerical values displayed by the temperature probe 21 are different; and when the two numerical values reach the same value, at this time the water temperature in the base 33 meets the correction standard;

[0052] The reserved hole position on the surface of the panel 30 is also used to connect the air pipe joint 4 for conveying gas to the inside of the jig panel part 3.

[0053] Specifically, when the specified box gas pressure needs to be set, the computer is controlled, then the gas is conveyed to the jig panel part 3 through the air pipe joint 4, so that the required gas pressure is reached, which is used to simulate the change of the intracranial pressure of the human body.

[0054] In this embodiment, the probe protection sleeve 5 is wrapped around the temperature probe 21 at the part of the thermostat 6, one end of the probe protection sleeve 5 is connected to the bottom of the base 33, and the other end is in the water.

[0055] Specifically, the purpose is to protect the temperature probe 21 from collision damage, while ensuring the effect of heat transfer, water directly contacts the probe protective sleeve 5, and then the probe protective sleeve 5 conducts heat to the temperature probe 21, which transmits the monitored temperature to the computer screen for display, so that the operator can change the temperature according to the real-time change.

[0056] In this embodiment, the jig panel part 3 also includes a handle 31, which is symmetrically arranged on both sides of the panel 30, ensuring that the device is convenient and light when it needs to be moved;

[0057] It should be noted that the handle 31 is bolted to the surface of the panel 30 through the hole reserved by the panel 30.

[0058] In this embodiment, the panel 30 and the base 33 are fixed as a whole by 10 fixing bolts 34.

[0059] In this embodiment, the sealing ring 32 is made of silica gel material, which ensures that the gas and temperature in the jig panel part 3 can reach the environment simulating the intracranial environment of the human body.

[0060] In this embodiment, the panel 30 has an array of 40 reserved hole positions to meet the number of single correction of the intracranial pressure probe line 7, improving the efficiency of correction.

[0061] Installation process:

[0062] (1) Install the probe locking part 1: align the silica gel sleeve 12 with the axis center of the second locking part 11, and place it in the groove of the second locking part 11, then move the end of the first locking part 10 provided with the compression part 101 to the second locking part 11, through the threads matched by the first locking part 10 and the second locking part 11, the compression part 101 extrudes the side wall of the silica gel sleeve 12, and the silica gel sleeve 12 is compressed towards the central axis, when the first locking part 10 and the second locking part 11 are not completely locked, the intracranial pressure probe line 7 is passed from the end of the first locking part 10, and then through the silica gel sleeve 12 and the second locking part 11, to the designated position, then rotate the first locking part 10 again, until the silica gel sleeve 12 completely compresses the intracranial pressure probe line 7, and finally install it on the panel 30;

[0063] Install the temperature monitoring part 2: connect the connecting rod 20 to the panel 30, and then fix the temperature probe 21 to the connecting rod 20.

[0064] Install the tracheal connector 4 and fix it at the designated position on the panel 30.

[0065] (2) After the above steps are completed, align the panel 30 with the base 33, and extend the temperature probe 21 in the probe protective sleeve 5.

[0066] (3) The panel 30 and the base 33 are fixed as a sealed structure by the fixing bolt 34, and finally the whole is embedded in the opening of the thermostatic chamber 6 containing water.

[0067] Working principle:

[0068] Through the sealed space setting of the jig panel part 3, the prerequisite environment of simulating the human intracranial is provided, when the intracranial pressure probe line 7 is corrected, first, the jig panel part 3 is conducted by the thermostatic chamber 6, so that it has the temperature condition of correction, second, the gas delivery of the gas pipe joint is made, so that it has the gas pressure environment of correction, finally, the environment in the jig panel part 3 reaches the environment required to be corrected, so that the correction of the intracranial pressure probe is completed.

[0069] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An intracranial pressure probe pressure temperature correction jig, comprising: The utility model relates to a kind of calibrating device for intracranial pressure probe, including: Jig panel part (3) is provided with internal cavity, and cavity is provided with water inside; Constant-temperature box (6) is provided with water inside, and upper portion is opened, and the jig panel part (3) is embedded in opening place; Probe locking part (1) is arranged at the top of the jig panel part (3); Intracranial pressure probe line (7) is threaded through the probe locking part (1), and is fixed by probe locking part (1); Temperature monitoring part (2) is arranged at the top of the jig panel part (3), for monitoring the water temperature of the internal cavity of jig panel part (3); Tracheal joint (4) is arranged at the top of the jig panel part (3); When correcting, gas is transported to the inside of jig panel part (3) by tracheal joint (4), and the water temperature of the internal cavity of jig panel part (3) is monitored by temperature monitoring part (2), simulate intracranial environment, complete the probe correction of intracranial pressure probe line (7).

2. The ICP probe pressure temperature correction fixture of claim 1, wherein, The jig panel part (3) includes: Panel (30) is connected with probe locking part (1), temperature monitoring part (2) and tracheal joint (4) respectively by the hole position arranged on surface; Base (33) is opened at top, and the panel (30) is embedded in opening place; Sealing ring (32) is arranged between base (33) and panel (30), and forms sealed space.

3. The ICP probe pressure temperature correction fixture of claim 2, wherein, The probe locking part (1) includes first locking part (10), second locking part (11) and silica gel sleeve (12), the silica gel sleeve (12) is arranged between the first locking part (10) and the second locking part (11), and the silica gel sleeve (12) is pressed by the pressing part (101) arranged inside the first locking part (10), the silica gel sleeve (12) is pressed after deformation, and the intracranial pressure probe line (7) is pressed, and the second locking part (11) is connected on the panel (30) near the end of the constant-temperature box (6).

4. The ICP probe pressure temperature correction fixture of claim 3, wherein, The temperature monitoring part (2) includes connecting rod (20) and temperature probe (21), and both ends of the connecting rod (20) are connected with temperature probe (21) and panel (30) respectively.

5. The ICP probe pressure temperature correction fixture of claim 4, wherein, The temperature probe (21) extends to constant-temperature box (6) through the hole position arranged in base (33), and the extending end is sleeved in probe protection sleeve (5), and the end of probe protection sleeve (5) away from constant-temperature box (6) is connected with base (33).

6. The ICP probe pressure temperature correction fixture of claim 2, wherein, The jig panel part (3) further includes handle (31), and the handle (31) is symmetrically arranged on both sides of the panel (30).

7. The ICP probe pressure temperature correction fixture of claim 2, wherein, The panel (30) and base (33) are fixed by a plurality of fixed bolts (34).

8. The ICP probe pressure temperature correction fixture of claim 6, wherein, The handle (31) is connected with the jig panel part (3) by bolted mode.

9. The ICP probe pressure temperature correction fixture of claim 8, wherein, The sealing ring (32) is made of silica gel material.

10. The ICP probe pressure temperature correction fixture of claim 5, wherein, The probe protection sleeve (5) is made of metal material.