CN117918797A - Brain temperature monitoring device - Google Patents
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- CN117918797A CN117918797A CN202410281044.XA CN202410281044A CN117918797A CN 117918797 A CN117918797 A CN 117918797A CN 202410281044 A CN202410281044 A CN 202410281044A CN 117918797 A CN117918797 A CN 117918797A
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- 210000004556 brain Anatomy 0.000 title claims abstract description 58
- 238000012806 monitoring device Methods 0.000 title claims abstract description 31
- 238000005286 illumination Methods 0.000 claims abstract description 41
- 238000003384 imaging method Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000002513 implantation Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 9
- 230000008054 signal transmission Effects 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 14
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- 239000000463 material Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 229920005570 flexible polymer Polymers 0.000 claims description 2
- 210000003718 sphenoid sinus Anatomy 0.000 abstract description 24
- 230000036760 body temperature Effects 0.000 abstract description 11
- 239000000523 sample Substances 0.000 abstract description 8
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- 206010021113 Hypothermia Diseases 0.000 description 3
- 208000029028 brain injury Diseases 0.000 description 3
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- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention relates to the technical field of medical equipment, in particular to a brain temperature monitoring device, which comprises: the temperature measuring part comprises an outer sleeve and a temperature sensing component, the outer sleeve is of a hollow structure to form a central channel, and the temperature sensing component is embedded in the pipe wall of the outer sleeve; the endoscope part is movably penetrated and bundled in the central channel, the endoscope part comprises an endoscope shell, an imaging assembly and an illumination assembly, the imaging assembly and the illumination assembly are arranged in the endoscope shell, the imaging assembly is used for acquiring an image of the outer sleeve in the implantation process, and the illumination assembly is used for providing illumination for the imaging assembly. Compared with the existing body temperature probe, the brain temperature monitoring device provided by the invention can be placed deep into the cavity of the sphenoid sinus of the human body and stably for a long time, so that the temperature in the cavity of the sphenoid sinus can be continuously monitored in real time, and the aim of measuring the temperature in the deep brain can be achieved.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a brain temperature monitoring device.
Background
The effect of high temperature on brain injury is quite clear, for example, when the body temperature is 37-42 ℃, the brain oxygen consumption is increased by 5% -7% every 1 ℃ and brain injury substances such as excitatory amino acid, oxygen free radical, inflammatory medium and the like are increased. Target temperature management is a treatment method which is proved to be capable of reducing brain injury and improving nerve prognosis at present, namely, the whole body temperature or the local brain temperature is reduced through artificial physics, so that the brain oxygen consumption is reduced, and the brain function recovery is promoted.
The traditional systemic hypothermia treatment method, such as systemic body surface cooling or intravascular cooling, can reduce the body temperature to about 33 ℃, but can generate obvious side effects, such as coagulation dysfunction, immune dysfunction, respiratory tract infection, bedsores, arrhythmia, hypotension, electrolyte disturbance and the like. Therefore, local hypothermia is an important way to realize low-temperature brain protection at present, but one of the important constraint factors for limiting the realization of local hypothermia is that monitoring of the local temperature of the brain is difficult.
The following brain temperature monitoring means include both direct and indirect methods. Direct methods are measured using an intracranial pressure monitor integrated with brain temperature monitoring functions, which monitor is typically integrated with a temperature sensor. The method has the advantages that the temperature in the brain is directly monitored, the method is most accurate, but the method needs skull drilling to put a monitoring probe into the brain, is invasive, is obviously inadequately used if skull drilling operation is carried out only for monitoring the brain temperature, and is difficult to be used as a conventional method.
The indirect method is to indirectly reflect brain temperature by measuring body temperature, including rectum, armpit, oral cavity, etc. When the whole body temperature is reduced by artificial physics, the temperature of the rectum is the temperature of the deep part of the body and is closest to the temperature of the brain, so the method is often used for reflecting the temperature of the brain. However, when a local cooling method such as an ice cap or an ice bag is used, the difference between the brain temperature and the whole body temperature is large, and the brain temperature cannot be effectively reflected only by monitoring the body temperature. At present, ear temperature is reported to be used for reacting local brain temperature, but the ear temperature still has difference with deep brain temperature, and the requirement of accurate local brain temperature monitoring cannot be completely met.
The sphenoid sinus is one of four groups of paranasal sinuses of a human body, is positioned in the sphenoid bone, is positioned under the deep central skull base and is divided into a left cavity and a right cavity by the middle of the sphenoid sinus. The butterfly Dou Dingbi and the side wall are the base of the middle skull of the nose, and have very close anatomical relations with important structures of the middle skull fossa such as the sphenoid saddle, the internal carotid artery, the cavernous sinus, the optic nerve and the visual cross, and the III, IV, V and VI. The sphenoid sinus is the nearest natural cavity channel of the human body from the deep part of the brain and is also an ideal position for noninvasively monitoring the brain temperature. But the sphenoid sinus opening is smaller, the bone sinus opening is about 10mm in diameter, the sinus opening covered by the mucous membrane is smaller, the diameter is only 2-3 mm, and the temperature probe is positioned in the deep part of the nasal cavity, and the traditional temperature probe cannot go deep into the sphenoid sinus for monitoring due to the reasons of volume, difficulty in arrival and the like. Therefore, a probe which is safe and convenient to operate and can go deep into the inside of the sphenoid sinus for continuous temperature monitoring is urgently needed at present, and the requirement of long-range brain temperature monitoring of a patient for local sub-low temperature treatment is met.
Disclosure of Invention
The invention aims to provide a brain temperature monitoring device which can be placed deep into the cavity of a sphenoid sinus of a human body and stably for a long time, so as to continuously monitor the temperature in the cavity of the sphenoid sinus in real time, thereby achieving the purpose of measuring the temperature in the deep brain.
In order to achieve the above object, the present invention provides a brain temperature monitoring device comprising:
the temperature measuring part comprises an outer sleeve and a temperature sensing component, the outer sleeve is of a hollow structure to form a central channel, and the temperature sensing component is embedded in the pipe wall of the outer sleeve;
the endoscope part is movably penetrated and bundled in the central channel, the endoscope part comprises an endoscope shell, an imaging assembly and an illumination assembly, the imaging assembly and the illumination assembly are arranged in the endoscope shell, the imaging assembly is used for acquiring an image of the outer sleeve in the implantation process, and the illumination assembly is used for providing illumination for the imaging assembly.
Optionally, the temperature sensing assembly includes temperature sensor, signal transmission wire and signal transmission joint, temperature sensor sets up the distal end of outer tube, signal transmission joint sets up the proximal end of outer tube is used for an electric connection external monitoring equipment, temperature sensor passes through signal transmission wire with signal transmission joint electric connection.
Optionally, the outer sleeve has flexibility, the temperature measurement part further includes at least one balloon subassembly, the balloon subassembly inlays to be established in the pipe wall of outer sleeve or attach outside the pipe wall of outer sleeve, the balloon subassembly includes fixed sacculus, inflation line and inflation joint, fixed sacculus sets up the distal end of outer sleeve, inflation joint sets up the proximal end of outer sleeve is used for connecting an external gas device, fixed sacculus passes through inflation line with inflation joint connects.
Optionally, the distance from the fixed balloon to the distal end of the outer sleeve is greater than the distance from the temperature sensor to the distal end of the outer sleeve.
Optionally, the imaging component includes an imaging lens, an image transmission wire and an image signal connector, the imaging lens is disposed at a distal end of the endoscope shell, the image signal connector is disposed at a proximal end of the endoscope shell and is electrically connected to an external image processing device, and the imaging lens is electrically connected to the image signal connector through the image transmission wire.
Optionally, the illumination assembly includes an illumination fiber and an illumination connector, the illumination fiber is located near the imaging lens, the illumination connector is electrically connected to an external light source, and the illumination fiber is electrically connected to the illumination connector.
Optionally, the image signal connector and the illumination connector are integrated into a photoelectric signal connector.
Optionally, a limiter is disposed on a distal end wall of the endoscope shell, and the limiter abuts against the distal end of the outer sleeve when the endoscope shell is threaded to a preset position in the central channel.
Optionally, the tube wall of the outer sleeve is provided with scales.
Optionally, the endoscope shell is made of a hydrophobic hard material, and the outer sleeve is made of a flexible high polymer material.
According to the brain temperature monitoring device, the imaging component and the lighting component are arranged, so that images of surrounding environments can be obtained in real time, visual implantation of the brain temperature monitoring device is realized, and after implantation is finished, accurate measurement of noninvasive local brain temperature can be realized by utilizing the temperature sensing component. Compared with the prior body temperature probe, the brain temperature monitoring device provided by the invention has good operability and high convenience, can be placed deep into the cavity of the sphenoid sinus of a human body and stably for a long time, and further continuously and real-timely monitors the temperature in the cavity of the sphenoid sinus, thereby achieving the purpose of measuring the temperature in the deep brain.
Drawings
It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the invention and do not constitute any limitation on the scope of the invention. Wherein:
FIG. 1 is a schematic diagram of a temperature measuring part according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an endoscopic portion according to an embodiment of the present invention.
Wherein:
10-a temperature measuring part; 11-an outer sleeve; 20-an endoscopic portion; 21-an endoscope housing;
110-a central channel; 120-a temperature sensor; 121-signal transmission wires; 122-signal transmission connector; 130-a fixation balloon; 131-an inflation line; 132-an inflation joint; 220-an imaging lens; 221-image transmission wires; 230-illumination fiber; 231-an optoelectronic signal connector; 240-stopper.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific embodiments thereof in order to make the objects, advantages and features of the invention more apparent. It should be noted that, the drawings are in very simplified form and all use non-precise proportions, which are only used for the purpose of conveniently and clearly assisting in explaining the embodiments of the present invention, and are not intended to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any modification of the structure, change of the proportional relation or adjustment of the size, without affecting the efficacy and achievement of the present invention, should still fall within the scope covered by the technical content disclosed by the present invention.
It should be further understood that the terms "first," "second," "third," and the like in this specification are used merely for distinguishing between various components, elements, steps, etc. in the specification and not for indicating a logical or sequential relationship between the various components, elements, steps, etc., unless otherwise indicated. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Referring to fig. 1, the present embodiment provides a brain temperature monitoring device, including:
the temperature measuring part 10 comprises an outer sleeve 11 and a temperature sensing component, wherein the outer sleeve 11 is of a hollow structure to form a central channel 110, and the temperature sensing component is embedded in the pipe wall of the outer sleeve 11;
An endoscopic portion 20 movably threaded within the central channel 110, the endoscopic portion 20 comprising an endoscopic shell 21 and an imaging assembly and an illumination assembly disposed within the endoscopic shell 21, the imaging assembly for acquiring images of the outer cannula 11 during implantation, the illumination assembly for providing illumination to the imaging assembly.
The brain temperature monitoring device provided by the invention has the following working principle:
the imaging assembly and the illumination assembly are arranged in the endoscope shell 21 in advance, then the whole endoscope shell 21 is penetrated into the central channel 110 of the outer sleeve 11, the whole brain temperature monitoring device can be directly implanted into the sphenoid sinus cavity in a noninvasive manner, meanwhile, the imaging assembly is utilized to acquire images of the surrounding environment in real time in the operation process, the visual implantation is realized, after the implantation is finished, the endoscope part 20 can be extracted from the central channel 110, and the accurate measurement of the noninvasive local brain temperature can be realized by utilizing the temperature sensing assembly.
Compared with the existing body temperature probe, the brain temperature monitoring device provided by the invention can be placed deep into the cavity of the sphenoid sinus of the human body and stably for a long time, so that the temperature in the cavity of the sphenoid sinus can be continuously monitored in real time, and the aim of measuring the temperature in the deep brain can be achieved.
Specifically, the temperature sensing assembly includes a temperature sensor 120, a signal transmission wire 121 and a signal transmission connector 122, the temperature sensor 120 is disposed at a distal end of the outer sleeve 11, the signal transmission connector 122 is disposed at a proximal end of the outer sleeve 11 and is electrically connected to an external monitoring device, and the temperature sensor 120 is electrically connected to the signal transmission connector 122 through the signal transmission wire 121. The temperature sensor 120 is used for acquiring the internal temperature of the sphenoid sinus cavity in real time, and transmitting a temperature signal to an external monitoring device through the signal transmission wire 121 and the signal transmission joint 122.
In this embodiment, the number of the temperature sensing components may be one or more, and may be selected according to actual requirements. Preferably, when the number of the temperature sensing elements is plural, the plural temperature sensing elements may be uniformly distributed along the circumferential direction of the outer sleeve 11. In addition, the signal transmission wires 121 and the signal transmission joints 122 of the plurality of temperature sensing elements may be shared or may be separately configured, which is not limited in the present invention.
Preferably, the outer sleeve 11 has flexibility, the temperature measuring part 10 further comprises at least one balloon component, the balloon component is embedded in the wall of the outer sleeve 11 or is attached to the outside of the wall of the outer sleeve 11, the balloon component comprises a fixed balloon 130, an inflation pipeline 131 and an inflation connector 132, the fixed balloon 130 is arranged at the distal end of the outer sleeve 11, the inflation connector 132 is arranged at the proximal end of the outer sleeve 11 and is used for being connected with an external air device, and the fixed balloon 130 is connected with the inflation connector 132 through the inflation pipeline 131.
After the outer cannula 11 is moved in place, the fixing balloon 130 can be inflated by an external air device to expand the fixing balloon 130, so that the outer cannula 11 can be fixed at the current position, and the internal temperature of the sphenoid sinus cavity can be continuously monitored. The inflation connector 132 has an opening and closing function, and can be manually closed after inflation is finished to prevent gas leakage. When the brain temperature is not required to be monitored, the gas in the fixed balloon 130 is pumped out through the inflation connector 132 and the inflation pipeline 131, and the outer sleeve 11 can be taken out smoothly at this time.
Optionally, the balloon component is embedded in the wall of the outer sleeve 11, and presses the wall of the outer sleeve 11 when the fixing balloon 130 is inflated, so that the outer sleeve 11 presses the external tissue to achieve fixation. Or the balloon assembly is attached outside the wall of the outer cannula 11 and directly presses against the external tissue to effect fixation when the fixation balloon 130 is inflated.
In this embodiment, the fixing balloon 130 may be disposed at one side of the outer sleeve 11, or may be disposed in a ring shape in the wall of the outer sleeve 11 or sleeved outside the wall of the outer sleeve 11, which is not limited in the present invention.
Preferably, the distance from the fixing balloon 130 to the distal end of the outer sleeve 11 is greater than the distance from the temperature sensor 120 to the distal end of the outer sleeve 11, which is equivalent to that the fixing balloon 130 and the temperature sensor 120 are arranged in a dislocation manner in the axial direction of the outer sleeve 11, so as to avoid the pressing of the temperature sensor 120 after the expansion of the fixing balloon 130. Preferably, the fixed balloon 130 is separated (not in contact) from the temperature sensor 120 after inflation to its maximum size.
In this embodiment, the outer sleeve 11 is made of a flexible polymer material with good biocompatibility and excellent thermal conductivity, and is hollow tubular in shape.
Preferably, the outer wall of the outer sleeve 11 is provided with scales for a doctor to judge the depth of the distal end of the outer sleeve 11. The definition of "proximal" and "distal" herein is: "proximal" generally refers to the end of the medical device that is closest to the operator during normal operation, and "distal" generally refers to the end of the medical device that first enters the patient during normal operation.
Referring to fig. 2, the imaging assembly includes an imaging lens 220, an image transmission wire 221 and an image signal connector, wherein the imaging lens 220 is disposed at a distal end of the endoscope housing 21, the image signal connector is disposed at a proximal end of the endoscope housing 21 and is electrically connected to an external image processing device, and the imaging lens 220 is electrically connected to the image signal connector through the image transmission wire 221.
In the implantation process of the brain temperature monitoring device, surrounding images are acquired in real time through the imaging lens 220 and transmitted to the external image processing device, so that a doctor is guided to perform implantation operation.
In this embodiment, the illumination assembly includes an illumination fiber 230 and an illumination connector, the illumination fiber 230 is located near the imaging lens 220, the illumination connector is electrically connected to an external light source, and the illumination fiber 230 is electrically connected to the illumination connector.
Preferably, the image signal connector and the illumination connector are integrated into a single photo-electric signal connector 231 to simplify the connector structure.
Preferably, a stopper 240 is provided on the distal end wall of the endoscope housing 21, and the stopper 240 abuts against the distal end of the outer sleeve 11 when the endoscope housing 21 is threaded to a predetermined position in the central passage 110. The stopper 240 is mainly used to limit the movement of the endoscope housing 21 in the outer sleeve 11, and when the endoscope housing 21 moves along the central channel 110 until the stopper 240 abuts the outer sleeve 11, the movement of the endoscope housing 21 is described. In this embodiment, when the limiter 240 abuts against the outer sleeve 11, the limiter 240 is located outside the outer sleeve 11.
Optionally, stop 240 includes, but is not limited to, a ring-shaped and sleeve over the distal housing wall of endoscope housing 21.
In this embodiment, the endoscope housing 21 is made of a hydrophobic hard material.
The specific operation process of the brain temperature monitoring device provided in this embodiment is as follows:
Before the brain temperature monitoring device is implanted, the photoelectric signal joint 231 of the endoscopic part 20 is connected with an external light source and external image processing equipment, after the imaging is confirmed to be clear, the endoscopic part 20 is completely penetrated into the outer sleeve 11 through the central channel 110 until the limiter 240 is abutted with the outer sleeve 11;
The whole brain temperature monitoring device enters into the sphenoid sinus of a patient in a fully sedated and analgesic state through a sphenoid sinus opening, after the fixed saccule 130 is confirmed to completely enter into the sphenoid sinus through scales on the outer wall of the outer sleeve 11, an air injector is used for injecting a proper amount of air from the air-charging connector 132, the air-charging connector 132 is closed to fix the outer sleeve 11, and the endoscopic part 20 is withdrawn;
the signal transmission joint 122 of the temperature sensing assembly is electrically connected with external monitoring equipment to obtain temperature information of the sphenoid sinus position of the patient;
When the patient does not need to continuously monitor the temperature in the sphenoid sinus, the inflation connector 132 is opened, and the air in the fixed balloon 130 is pumped out by the hollow injector and then is gently dragged outwards, so that the whole outer sleeve 11 can be taken out.
In summary, compared with the existing body temperature probe, the brain temperature monitoring device provided by the embodiment of the invention can be placed deep into the sphenoid sinus cavity of a human body and stably for a long time, so that the temperature in the sphenoid sinus cavity can be continuously monitored in real time, and the aim of measuring the temperature in the deep brain can be achieved.
It should also be appreciated that while the present invention has been disclosed in the context of a preferred embodiment, the above embodiments are not intended to limit the invention. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art without departing from the scope of the technology, or the technology can be modified to be equivalent. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A brain temperature monitoring device, comprising:
the temperature measuring part comprises an outer sleeve and a temperature sensing component, the outer sleeve is of a hollow structure to form a central channel, and the temperature sensing component is embedded in the pipe wall of the outer sleeve;
the endoscope part is movably penetrated and bundled in the central channel, the endoscope part comprises an endoscope shell, an imaging assembly and an illumination assembly, the imaging assembly and the illumination assembly are arranged in the endoscope shell, the imaging assembly is used for acquiring an image of the outer sleeve in the implantation process, and the illumination assembly is used for providing illumination for the imaging assembly.
2. The brain temperature monitoring device according to claim 1, wherein the temperature sensing assembly comprises a temperature sensor, a signal transmission wire and a signal transmission connector, the temperature sensor is disposed at a distal end of the outer sleeve, the signal transmission connector is disposed at a proximal end of the outer sleeve and is electrically connected to an external monitoring apparatus, and the temperature sensor is electrically connected to the signal transmission connector through the signal transmission wire.
3. The brain temperature monitoring device according to claim 1, wherein the outer sleeve has flexibility, the temperature measuring part further comprises at least one balloon assembly embedded in or attached to the wall of the outer sleeve, the balloon assembly comprises a fixed balloon, an inflation pipeline and an inflation connector, the fixed balloon is arranged at the distal end of the outer sleeve, the inflation connector is arranged at the proximal end of the outer sleeve and is used for being connected with an external gas device, and the fixed balloon is connected with the inflation connector through the inflation pipeline.
4. The brain temperature monitoring device according to claim 3, wherein a distance from the fixation balloon to a distal end of the outer cannula is greater than a distance from the temperature sensor to the distal end of the outer cannula.
5. The brain temperature monitoring device according to claim 1, wherein the imaging assembly comprises an imaging lens, an image transmission wire and an image signal connector, the imaging lens is disposed at a distal end of the endoscope shell, the image signal connector is disposed at a proximal end of the endoscope shell and is electrically connected to an external image processing apparatus, and the imaging lens is electrically connected to the image signal connector through the image transmission wire.
6. The brain temperature monitoring device according to claim 5, wherein the illumination assembly comprises an illumination fiber and an illumination connector, the illumination fiber is located near the imaging lens, the illumination connector is electrically connected to an external light source, and the illumination fiber is electrically connected to the illumination connector.
7. The brain temperature monitoring device according to claim 6, wherein said image signal connector and said illumination connector are integrated into a single photo-electric signal connector.
8. The brain temperature monitoring device according to claim 1, wherein a stopper is provided on a distal end wall of the endoscope housing, and the stopper abuts against a distal end of the outer sleeve when the endoscope housing is threaded to a preset position in the central passage.
9. The brain temperature monitoring device according to claim 1, wherein the outer sleeve is provided with graduations on a wall thereof.
10. The brain temperature monitoring device according to claim 1, wherein the endoscope housing is made of a hydrophobic hard material, and the outer sleeve is made of a flexible polymer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410281044.XA CN117918797A (en) | 2024-03-12 | 2024-03-12 | Brain temperature monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410281044.XA CN117918797A (en) | 2024-03-12 | 2024-03-12 | Brain temperature monitoring device |
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| CN117918797A true CN117918797A (en) | 2024-04-26 |
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| CN202410281044.XA Pending CN117918797A (en) | 2024-03-12 | 2024-03-12 | Brain temperature monitoring device |
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