CN118266876B - Preliminary screening tool for craniocerebral trauma - Google Patents
Preliminary screening tool for craniocerebral trauma Download PDFInfo
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- 206010019196 Head injury Diseases 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 206010018985 Haemorrhage intracranial Diseases 0.000 claims abstract description 20
- 208000008574 Intracranial Hemorrhages Diseases 0.000 claims abstract description 20
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- 206010059491 Intracranial haematoma Diseases 0.000 abstract description 22
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/02042—Determining blood loss or bleeding, e.g. during a surgical procedure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room
- A61B5/004—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
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Abstract
The invention discloses a preliminary screening tool for craniocerebral trauma, which comprises a mounting frame worn on the head of a patient, an intracranial hemorrhage quantum detection platform and an acquisition control module, wherein the intracranial hemorrhage quantum detection platform and the acquisition control module are respectively arranged at the top and the front of the mounting frame, and the intracranial hemorrhage quantum detection platform comprises two fixing seats, an inner lining plate, a multi-wavelength light source module and a quantum sensor module. According to the preliminary screening tool for the craniocerebral trauma, a method for detecting intracranial hematoma by utilizing multi-wavelength and multi-channel optical density difference is provided through a quantum sensing technology, the absorption and scattering effects of components in the intracranial hematoma under different wavelengths are different, the accuracy of extracting target signals can be improved by means of the multi-wavelength light source module, so that the detection signal to noise ratio is enhanced, meanwhile, a plurality of quantum sensor modules are configured, the intracranial hematoma is predicted by utilizing the optical density difference of a plurality of detection positions, the speed of scanning the whole head of a patient can be improved, and the detection accuracy is improved.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a preliminary screening tool for craniocerebral trauma.
Background
Intracranial hematoma is the most common and most serious secondary lesion in craniocerebral trauma, and the key of the treatment of traumatic intracranial hematoma is to discover early and perform medical intervention timely, especially within 1 hour after the trauma, otherwise life is likely to be endangered or life-long disability which cannot be reversed is likely to be caused, CT is used as the gold standard for diagnosing intracranial hematoma at present, has the limitations of high radiation risk, inapplicability to fragile people, inapplicability to frequent scanning, incapability of dynamically evaluating the injury condition of a patient in time at the first site of the injury and the like, so the demand for developing a quick screening method for intracranial hematoma applicable to the emergency environment outside hospitals is urgent.
Compared with the existing gold standard CT for diagnosing intracranial hematoma, the near infrared optical technology is more advantageous for craniocerebral detection because of the characteristic of no radiation to human bodies, the effective detection light is extremely weak because of the high absorption and scattering of human tissues, and the effective detection needs to be realized by utilizing the quantum sensing technology of single photon magnitude in order to further improve the detection efficiency, and along with the continuous development of tissue optics and quantum measurement technology, the quantum measurement technology can form one of the most promising intracranial hematoma detection technologies because of being capable of forming portable equipment, being fast and noninvasive and free of radiation, and judging whether intracranial hematoma exists in craniocerebral trauma patients or not by measuring the optical density of two sides of the human craniocerebral, so that a novel mobile detection idea independent of large CT/MRI detection is provided for noninvasive rapid screening of craniocerebral hematoma.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preliminary screening tool for craniocerebral trauma, which solves the problems that CT is used as a gold standard for diagnosing intracranial hematoma at present, has high radiation risk, is not suitable for fragile people, is not suitable for frequent scanning, and cannot dynamically evaluate the injury condition of a patient in time at the first site of injury.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a primary screening tool for craniocerebral trauma, which comprises a mounting frame worn on the head of a patient, an intracranial hemorrhage quantum detection platform and an acquisition control module which are respectively arranged at the top and the front part of the mounting frame,
The intracranial hemorrhage quantum detection platform comprises two fixing seats which are respectively sleeved on two sides of the mounting frame and are symmetrically distributed, a fixing frame, a lining plate arranged between the two fixing seats, and a multi-wavelength light source module and a quantum sensor module which are installed on the lining plate in a penetrating mode, wherein the multi-wavelength light source module is provided with two quantum sensor modules which are symmetrically distributed, the quantum sensor module is provided with ten quantum sensor modules which are uniformly divided into two groups and are symmetrically distributed, the straight line where the axes of the multi-wavelength light source module are located and the straight line where the axes of the ten quantum sensor modules are located in the same plane, and the five quantum sensor modules located on the same side are equally distributed at intervals.
Preferably, the mounting bracket is including being the support bar that encloses the structure and locating the support bar both ends between supply support bar to enclose the debugging subassembly that closes size and patient's head looks adaptation, the debugging subassembly includes two racks that locate support bar both ends and be upper and lower central symmetry distribution respectively and the meshing transmission between two racks to and the cover shell that two racks and gear outside supply three spacing support is located to the cover, the outside screw thread of cover runs through there is the screw rod, the inner of screw rod extends to in the cover shell and with the coaxial assembly of gear, the outer coaxial assembly of screw rod has the knob, the shrouding is installed in the inboard cover of cover.
Preferably, the multi-wavelength light source module comprises a first shell and a first plug coaxially packaged at the top end of the first shell, wherein three laser diodes distributed in an annular array are arranged in the first shell, the three laser diodes are distributed along the axial direction of the first shell, three first lenses are embedded at the bottom end of the first shell, and the three first lenses are respectively and coaxially distributed with the three laser diodes.
Preferably, the quantum sensor module comprises a second shell and a second plug coaxially packaged at the top end of the second shell, three avalanche diodes distributed in an annular array are arranged in the second shell, the three avalanche diodes are all distributed along the axial direction of the second shell, three lens groups are mounted at the bottom end of the second shell and are respectively coaxially distributed with the three avalanche diodes, and each lens group consists of a cylinder shell, and second lenses and optical filters which are respectively coaxially assembled at the top end and the bottom end of the cylinder shell.
Preferably, the lining plate is provided with a chute structure for sliding adjustment of the multi-wavelength light source module and the quantum sensor module, the multi-wavelength light source module and the quantum sensor module are both installed in the chute structure in a sliding manner through an assembling seat, the assembling seat comprises a sliding seat matched with the chute structure, a thread sleeve arranged at the top of the sliding seat, and a stud coaxially arranged at the top of the thread sleeve, the stud is screwed in the thread sleeve to form a containing cavity for the multi-wavelength light source module or the quantum sensor module to penetrate and install, a reset spring for the multi-wavelength light source module or the quantum sensor module to elastically pad is arranged at the bottom of the inner side of the thread sleeve, and a through hole for a line to penetrate is formed in the stud.
Preferably, the outer side wall of the first plug is provided with three first positioning columns distributed in an annular array, the three first positioning columns are respectively arranged on the outer sides of the three laser diodes along the radial direction of the first shell, the outer side wall of the second plug is provided with three second positioning columns distributed in an annular array, the three second positioning columns are respectively arranged on the outer sides of the three avalanche diodes along the radial direction of the second shell, three guide grooves for limiting the first positioning columns or the second positioning columns are formed in the thread sleeve, and the three guide grooves are distributed in an annular array.
Preferably, the movable frame is arranged between the two fixed seats, two ends of the movable frame are respectively hinged with the outer sides of the two fixed seats, and a strip-shaped hole for the assembly seat to be embedded is formed in the movable frame.
Preferably, the collection control module comprises a wiring terminal group and a USB interface which are respectively arranged at the top and the bottom of the collection control module, and a control panel is arranged on the outer side surface of the collection control module.
The invention provides a preliminary screening tool for craniocerebral trauma. Compared with the prior art, the method has the following beneficial effects:
According to the preliminary screening tool for the craniocerebral trauma, a method for detecting the intracranial hematoma by utilizing the multi-wavelength and multi-channel optical density difference is provided through a quantum sensing technology, the absorption and scattering effects of components in the intracranial hematoma under different wavelengths are different, the accuracy of extracting target signals can be improved by means of a multi-wavelength light source module, so that the detection signal to noise ratio is enhanced, meanwhile, a plurality of quantum sensor modules are configured for detecting a target body, the light intensity and optical density information detected at a plurality of positions at different distances from a light source can be obtained, the intracranial hematoma is predicted by utilizing the optical density difference of the plurality of detection positions, the speed of scanning the whole head of a patient can be improved, the detection accuracy is improved, and finally the noninvasive intracranial hemorrhage detection technology based on quantum measurement is applied to emergency medical clinic.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the mounting frame of the present invention;
FIG. 3 is a schematic diagram of a debug assembly according to the present invention;
FIG. 4 is a schematic structural diagram of the intracranial hemorrhage quantum detection platform;
FIG. 5 is a schematic diagram of the mounting structure of the multi-wavelength light source module and the quantum sensor module of the present invention;
FIG. 6 is a schematic diagram of a multi-wavelength light source module according to the present invention;
FIG. 7 is a schematic diagram of a quantum sensor module according to the present invention;
FIG. 8 is a schematic view of the structure of the mounting base of the present invention;
FIG. 9 is a schematic diagram of the structure of the acquisition control module of the present invention;
FIG. 10 is a schematic view of the mounting structure of the movable frame of the present invention;
FIG. 11 is a schematic view of a layering and photon trajectories of an optical model of the cranium of the present invention;
FIG. 12 is a schematic diagram of the operation of the present invention;
In the figure:
100. a mounting frame;
110. A support bar; 120. a debugging component;
1210. a rack; 1220. a gear; 1230. a housing; 1240. a screw; 1250. a knob; 1260. a sealing plate;
200. An intracranial hemorrhage quantum detection platform;
210. A fixing seat; 220. an inner liner; 230. a multi-wavelength light source module; 240. a quantum sensor module; 250. an assembly seat; 260. a chute structure; 270. a movable frame;
2710. a bar-shaped hole;
2310. a first housing; 2320. a first plug; 2330. a laser diode; 2340. a first lens; 2350. a first positioning column;
2410. A second housing; 2420. a second plug; 2430. an avalanche diode; 2440. a lens group; 2450. a second positioning column;
2441. a cartridge housing; 2442. a second lens; 2443. a light filter;
2510. a slide; 2520. a thread sleeve; 2530. a stud; 2540. a return spring; 2550. a through hole; 2560. a guide groove;
300. The acquisition control module;
310. a terminal group; 320. a control panel; 330. a USB interface.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1,4 and 5, the present invention provides a technical solution: the utility model provides a craniocerebral trauma is with preliminary screening instrument, including wearing in the mounting bracket 100 of patient's head and locating the intracranial hemorrhage quantum detection platform 200 and the collection control module 300 of mounting bracket 100 top and front portion respectively, intracranial hemorrhage quantum detection platform 200 includes two cover respectively and locates the mounting bracket 100 both sides and is symmetrical distribution's fixing base 210 and the mount is located interior welt 220 between two fixing bases 210, and multiple wavelength light source module 230 and quantum sensor module 240 of penetrating installation on interior welt 220, multiple wavelength light source module 230 is equipped with two and is symmetrical distribution, quantum sensor module 240 is equipped with ten and evenly divide into two sets and be symmetrical distribution, two multiple wavelength light source module 230 axis place straight lines and ten quantum sensor module 240 axis place straight lines are in the coplanar, and five quantum sensor module 240 that are in same one side are equidistant distribution.
Based on the arrangement of the structure, the initial screening tool for craniocerebral trauma consists of a mounting frame 100, an intracranial hemorrhage quantum detection platform 200 and an acquisition control module 300, wherein the mounting frame 100 provides structural support for the intracranial hemorrhage quantum detection platform 200 and the acquisition control module 300, the intracranial hemorrhage quantum detection platform 200 can be erected on the head of a patient along with the mounting frame 100 which is worn on the head of the patient, the acquisition control module 300 is arranged at the front part of the mounting frame 100 so as to be electrically connected with the intracranial hemorrhage quantum detection platform 200, the optical model of craniocerebral tissues is divided into 5 layers, namely a cortex, a cranium layer, a cerebrospinal fluid layer, an gray matter layer and a white matter layer according to the human craniocerebral anatomical structure, as shown in FIG. 11, which is a schematic diagram of layering and photon trajectory of an optical model of cranium, in particular, in the working process, as shown in FIG. 12, a schematic diagram of multi-channel quantum measurement intracranial hematoma detection is shown, wherein S and S ' are incident light sources, D1-D5 and D1' -D5' are respectively equal-interval quantum sensor modules 240, and are distributed at symmetrical positions of the head of a patient, when the detection is performed, firstly, detection is performed on the right side (R side) of the head of the patient, light intensities obtained by the 5 quantum sensor modules 240 are respectively I1-I5, then detection is performed on the left side (L side) of the head of the patient, light intensities obtained by the 5 quantum sensor modules 240 are respectively I1' -I5', I0 is light intensities incident on the left side and the right side, and absorbance at each position is respectively OD1-0D5, OD1' -OD5'.
ODi=lg(I0/I),(i=1,2,…,5)
ODi′=lg(I0/Ii′),(i=1,2,…,5)
Dividing the absorbance at the bilateral symmetry position to obtain differential absorbance
△0Di=ODi/ODi′=lg(I0/Ii)/lg(I0/Ii′)=lg(Ii′/Ii),(i=1,2,…,5)
The method for detecting intracranial hematoma by using multichannel differential absorbance method is characterized in that a plurality of quantum sensor modules 240 with different distances from near infrared light sources are used for collecting optical density information of cranium symmetrical positions, differential absorbance of the symmetrical positions is calculated, a correction model between optical absorbance of normal cranium tissues and the intracranial hematoma differential absorbance data is established by using a partial least square method, prediction of the intracranial hematoma degree is realized, a preliminary screening tool for cranium trauma is used, a method for detecting intracranial hematoma by using multichannel optical density difference is provided by quantum sensing technology, absorption and scattering effects of components in cranium hematoma are different at different wavelengths, accuracy of extracting target signals can be improved by means of the multi-wavelength light source module 230, detection signal to noise ratio is enhanced, meanwhile, detection of a target body is carried out by the plurality of quantum sensor modules 240, light intensity and optical density information detected at a plurality of positions with different distances from the light source are obtained, the intracranial hematoma is predicted by using the difference of the plurality of detection positions, speed of scanning the whole head of a patient can be improved, detection accuracy is finally realized, no-based on measurement is provided, the method for detecting cranium hematoma by using the multichannel optical density difference, the method for detecting intracranial hematoma can be further used as a clinical critical condition, a clinical condition can be used as an emergency vehicle-based on a clinical condition, a clinical condition can be used for clinical condition, a clinical condition can be further can be used for clinical diagnosis, a clinical condition can be used for a clinical condition, can be used as a clinical condition, can be used for a clinical condition, can not has been used for clinical condition, can be used for clinical diagnosis, can be used for clinical condition, can is provided, and (3) rapidly screening intracranial hematoma of craniocerebral trauma wounded persons in complex simple sun-curing environments such as army battlefield rescue, traffic accident sites and sports stadiums.
Further, referring to fig. 2 and 3, the mounting frame 100 includes a supporting bar 110 with a enclosing structure and a debugging assembly 120 disposed between two ends of the supporting bar 110 for adapting the enclosing size of the supporting bar 110 to the head of a patient, the debugging assembly 120 includes two racks 1210 disposed at two ends of the supporting bar 110 and symmetrically distributed in the upper and lower center, a gear 1220 engaged and driven between the two racks 1210, and a housing 1230 sleeved outside the two racks 1210 and the gear 1220 for limiting and supporting the two racks 1210, wherein a screw 1240 is threaded on the outer side of the housing 1230, an inner end of the screw 1240 extends into the housing 1230 and is coaxially assembled with the gear 1220, a knob 1250 is coaxially assembled on the outer end of the screw 1240, and a sealing plate 1260 is mounted on the inner side of the housing 1230 in a covering manner. The mounting frame 100 mainly provides structural support for setting up the intracranial hemorrhage quantum detection platform 200 and the acquisition control module 300 on the head of a patient, the support bar 110 with a surrounding structure may not be suitable for patients with different head surrounding sizes when the patient wears the device, and as a preferred mode, the adjustment of the surrounding size of the support bar 110 can be realized by arranging the debugging component 120 between two ends of the support bar 110, so that the mounting frame 100 is ensured to be firmly and stably worn on the head of the patient, and concretely, medical staff can screw in the screw 1240 to drive the gear 1220 to rotate forward after sleeving the mounting frame 100 on the head of the patient, so that the two racks 1210 are close to each other in a dislocation manner, the surrounding size of the support bar 110 is reduced, the support bar 110 is suitable for the head of the patient, and likewise, the medical staff screws out the screw 1240 to drive the gear 1220 to rotate reversely, so that the surrounding size of the two racks 1210 is increased, and the wearing operation of the mounting frame 100 on the head of the patient with a large head surrounding size is suitable for the patient.
Further, referring to fig. 6, the multi-wavelength light source module 230 includes a first housing 2310 and a first plug 2320 coaxially encapsulated at a top end thereof, three laser diodes 2330 distributed in an annular array are disposed in the first housing 2310, the three laser diodes 2330 are all distributed along an axial direction of the first housing 2310, three first lenses 2340 are embedded at a bottom end of the first housing 2310, and the three first lenses 2340 are respectively coaxially distributed with the three laser diodes 2330. Wherein, during intracranial hemorrhage detection, the signal-to-noise ratio of the system is required to be higher, thus the high brightness of the light source is required to be ensured, the signal-to-noise ratio of the system is improved, the light source is an important noise source, the system signal-to-noise ratio can be directly influenced in terms of stability, uniformity and intensity, therefore, the requirement on the performance of the light source is more strict, the commonly used near infrared light source is mainly divided into three light sources of halogen lamps, semiconductor lasers and light-emitting diodes, the light source brightness, the working thermal stability and the spectral range are comprehensively considered, the laser diode 2330 with stable output, narrower spectrum (generally about 5 nm) and wider wavelength range is selected as the platform light source, in addition, the absorption and scattering effects of components in intracranial hematoma under different wavelengths are different, in order to improve the detection precision of target signals, the platform light source adopts a plurality of wavelengths to emit light simultaneously, and macromolecules existing in biological tissues such as water, protein and pigment can absorb incident light, thus, the absorption effect of the tissue on the light is caused, the absorption effect of the biological tissue with the wavelength of 600nm-900nm is weaker, the light penetrating capacity is stronger, therefore, the 600nm-900nm is called as an optical window of the biological tissue, the laser diode 2330 has multiple wavelength selections in the range, the laser diode 2330 with three wavelengths of 730nm,808nm and 845nm is selected as a light source simultaneously according to the experimental requirement and the commercialization degree of the laser diode 2330, the wavelength and the power of the laser product jointly determine whether the laser can harm the biological tissue, the index is more than 3 types of the laser according to the national standard G87247.1-2012 of the laser product, the power of the 3 types of the laser products is 3.2mW, the power of the three laser diodes 2330 with the wavelength of 730nm, the power of the laser diode 806 nm and the laser diode 2330 with the wavelength of 845nm is 3mW, in addition, in order to improve the transmission depth of laser in the tissue, a first lens 2340 is respectively placed in front of three laser diodes 2330 to reduce the divergence angle of laser and improve the collimation.
Further, referring to fig. 7, the quantum sensor module 240 includes a second housing 2410 and a second plug 2420 coaxially encapsulated at the top end thereof, three avalanche diodes 2430 distributed in an annular array are disposed in the second housing 2410, the three avalanche diodes 2430 are all distributed along the axial direction of the second housing 2410, three lens groups 2440 are mounted at the bottom end of the second housing 2410, the three lens groups 2440 are respectively coaxially distributed with the three avalanche diodes 2430, and the lens groups 2440 are composed of a barrel housing 2441, and second lenses 2442 and optical filters 2443 respectively coaxially assembled at the top end and the bottom end of the barrel housing 2441. The quantum sensor module 240 is an important device for converting the diffuse reflection light signal of the craniocerebral tissue into an electric signal for subsequent processing, the characteristic of the device determines the accuracy of platform detection, in order to improve the signal detection performance, the quantum sensor module 240 uses an avalanche diode 2430 capable of performing single photon detection as a signal receiving probe, when a reverse bias voltage close to breakdown voltage is applied to two ends of the avalanche diode 2430, the phenomenon is called avalanche multiplication phenomenon, the gain of the avalanche diode can reach 108, so that the avalanche diode 2430 has single photon detection capability, corresponding to the number of light source wavelengths, three avalanche diodes 2430 are installed in each quantum sensor module 240 and are respectively used for receiving scattered signals of three wavelength light sources, in order to inhibit ambient light noise and improve the signal collection efficiency, filters 2443 of 730nm, 808nm and 845nm are respectively installed in front of the three avalanche diodes 2430 in the quantum sensor module 240, and a second lens 2442 is installed between the filters 2443 and the avalanche diode 2430, and only scattered light of the corresponding light source is allowed to enter the sensor.
Further, referring to fig. 5 and 8, a sliding groove structure 260 for sliding and debugging the multi-wavelength light source module 230 and the quantum sensor module 240 is provided on the inner lining board 220, the multi-wavelength light source module 230 and the quantum sensor module 240 are both slidably mounted in the sliding groove structure 260 through an assembly seat 250, the assembly seat 250 comprises a sliding seat 2510 adapted to the sliding groove structure 260, a threaded sleeve 2520 arranged at the top of the sliding seat 2510, and a stud 2530 coaxially arranged at the top of the threaded sleeve 2520, the stud 2530 is in threaded engagement with the threaded sleeve 2520 and forms a receiving cavity for the multi-wavelength light source module 230 or the quantum sensor module 240 to penetrate and mount, a reset spring 2540 for the multi-wavelength light source module 230 or the quantum sensor module 240 to elastically cushion is provided at the bottom of the inner side of the threaded sleeve 2520, and a through hole 2550 for a line to penetrate is provided on the stud 2530. The multi-wavelength light source module 230, the quantum sensor module 240 and the collection control module 300 are mutually independent, the multi-wavelength light source module 230, the quantum sensor module 240 and the collection control module 300 are respectively and electrically connected through cables, for debugging convenience, the multi-wavelength light source module 230 and the quantum sensor module 240 are both in probe structures, the probe structures are matched with the chute structures 260 arranged on the lining plate 220, and the assembly seats 250 for sliding assembly of the multi-wavelength light source module 230 and the quantum sensor module 240 in the chute structures 260, the distance between the multi-wavelength light source module 230 and the quantum sensor module 240 and the distance between the quantum sensor module 240 can be adjusted, in particular, in the use process, the multi-wavelength light source module 230 or the quantum sensor module 240 is inserted in the assembly seats 250 in a penetrating mode, the reset spring 2540 supports the multi-wavelength light source module 230 or the quantum sensor module 240, and the stud 2530 which is assembled on the thread sleeve 2520 in a threaded mode supports the multi-wavelength light source module 230 or the quantum sensor module 240, so that the bottom end of the multi-wavelength light source module 230 or the quantum sensor module 240 can be supported on the head of a patient.
Further, referring to fig. 6,7 and 8, the outer sidewall of the first plug 2320 is provided with three first positioning columns 2350 distributed in an annular array, the three first positioning columns 2350 are all arranged on the outer sides of the three laser diodes 2330 along the radial direction of the first housing 2310, the outer sidewall of the second plug 2420 is provided with three second positioning columns 2450 distributed in an annular array, the three second positioning columns 2450 are all arranged on the outer sides of the three avalanche diodes 2430 along the radial direction of the second housing 2410, three guide grooves 2560 for limiting the first positioning columns 2350 or the second positioning columns 2450 are arranged in the threaded sleeve 2520, and the three guide grooves 2560 are distributed in an annular array. Wherein, the three first positioning posts 2350 are respectively used for positioning the orientations of the three laser diodes 2330, the three second positioning posts 2450 are respectively used for positioning the orientations of the three avalanche diodes 2430, and by means of the guide grooves 2560 matched with the first positioning posts 2350 and the second positioning posts 2450, when the multi-wavelength light source module 230 and the quantum sensor module 240 are embedded in the assembly base 250, the three laser diodes 2330 and the three avalanche diodes 2430 in the multi-wavelength light source module can be laid out in a fixed orientation, so that, for the assembled intracranial hemorrhage quantum detection platform 200, the laser diodes 2330 and the lines of the axes of the five avalanche diodes 2430 corresponding to the laser diodes 2330 can be ensured to be always in the same plane.
Further, referring to fig. 10, the portable device further includes a movable frame 270 that is disposed between the two fixed bases 210, two ends of the movable frame 270 are respectively hinged to the outer sides of the two fixed bases 210, and a bar hole 2710 is formed in the movable frame 270 for the fitting base 250 to be embedded. The positions of the multi-wavelength light source modules 230 and the quantum sensor modules 240 can be adjusted by means of the assembly seat 250 through the chute structure 260 arranged on the inner lining plate 220, meanwhile, as the radians of all holes of the chute structure 260 are different, the distance between the modules can be adjusted while the positions of the modules are adjusted, and preferably, the movable frame 270 is arranged, on one hand, the positions of the two multi-wavelength light source modules 230 and the ten quantum sensor modules 240 can be synchronously adjusted while the movable frame 270 rotates, so that the debugging convenience is improved, and on the other hand, the straight lines of the axes of the two multi-wavelength light source modules 230 and the ten quantum sensor modules 240 are always in the same plane regardless of adjustment.
Further, referring to fig. 9, the acquisition control module 300 includes a terminal group 310 and a USB interface 330 respectively disposed at the top and bottom of the acquisition control module 300, and a control panel 320 is disposed on the outer side of the acquisition control module 300. The main functions of the acquisition control module 300 include data acquisition and system control, an embedded control mode is adopted, the data acquisition function is responsible for filtering, amplifying and acquiring signals of the quantum sensor module 240, the control part is responsible for controlling each component of the whole intracranial hemorrhage quantum detection platform 200 to normally work according to time sequence requirements, and the signals acquired by the acquisition control module 300 can be uploaded to an upper computer through the USB interface 330 for further data analysis.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. 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.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A preliminary screening tool for craniocerebral trauma, characterized in that: comprises a mounting frame (100) worn on the head of a patient, an intracranial hemorrhage quantum detection platform (200) and an acquisition control module (300) which are respectively arranged at the top and the front part of the mounting frame (100);
The intracranial hemorrhage quantum detection platform (200) comprises two fixing seats (210) which are respectively sleeved on two sides of the mounting frame (100) and are symmetrically distributed, an inner lining plate (220) which is arranged between the two fixing seats (210) and a multi-wavelength light source module (230) and a quantum sensor module (240) which are installed on the inner lining plate (220) in a penetrating way, wherein the multi-wavelength light source module (230) is provided with two and is symmetrically distributed, the quantum sensor module (240) is provided with ten quantum sensor modules which are uniformly divided into two groups and are symmetrically distributed, a straight line where the axes of the two multi-wavelength light source modules (230) are positioned and a straight line where the axes of the ten quantum sensor modules (240) are positioned in the same plane, and five quantum sensor modules (240) positioned on the same side are equally distributed at intervals;
The multi-wavelength light source module (230) and the quantum sensor module (240) are slidably arranged in the sliding groove structure (260) through an assembling seat (250), the assembling seat (250) comprises a sliding seat (2510) which is matched with the sliding groove structure (260), a threaded sleeve (2520) which is arranged at the top of the sliding seat (2510), and a stud (2530) which is coaxially arranged at the top of the threaded sleeve (2520), the stud (2530) is in threaded fit with the threaded sleeve (2520) and forms an accommodating cavity for the multi-wavelength light source module (230) or the quantum sensor module (240) to be installed in a penetrating manner, a reset spring (2540) which is arranged at the inner side of the threaded sleeve (2520) in an elastic pad manner is arranged at the bottom of the inner side of the threaded sleeve (2520), and a through hole (2550) for a line to penetrate is formed in the stud (2530);
The movable frame (270) is erected between the two fixed seats (210), two ends of the movable frame (270) are respectively hinged with the outer sides of the two fixed seats (210), and a strip-shaped hole (2710) for embedding the assembly seat (250) is formed in the movable frame (270).
2. A primary screening tool for craniocerebral trauma according to claim 1, wherein: the utility model provides a support strip (110) that support frame (100) including being enclosing structure with locate support strip (110) between the both ends and supply support strip (110) to enclose debugging subassembly (120) of size and patient's head looks adaptation, debugging subassembly (120) are including two rack (1210) and meshing transmission that locate support strip (110) both ends and be upper and lower central symmetry distribution respectively between two rack (1210) to and cover locates two rack (1210) and gear (1220) outside and supply housing (1230) of three spacing support, the outside screw thread of housing (1230) runs through has screw rod (1240), the inner of screw rod (1240) extends to in housing (1230) and with gear (1220) coaxial assembly, the outer coaxial assembly of screw rod (1240) has knob (1250), seal plate (1260) are installed in the inboard cover of housing (1230).
3. A primary screening tool for craniocerebral trauma according to claim 1, wherein: the multi-wavelength light source module (230) comprises a first shell (2310) and a first plug (2320) coaxially packaged at the top end of the first shell, three laser diodes (2330) distributed in an annular array are arranged in the first shell (2310), the three laser diodes (2330) are all distributed along the axial direction of the first shell (2310), three first lenses (2340) are embedded at the bottom end of the first shell (2310), and the three first lenses (2340) are respectively distributed coaxially with the three laser diodes (2330).
4. A preliminary screening tool for craniocerebral trauma according to claim 3, wherein: the quantum sensor module (240) comprises a second shell (2410) and a second plug (2420) coaxially packaged at the top end of the second shell, three avalanche diodes (2430) distributed in an annular array are arranged in the second shell (2410), the three avalanche diodes (2430) are all distributed along the axial direction of the second shell (2410), three lens groups (2440) are mounted at the bottom end of the second shell (2410), the three lens groups (2440) are respectively coaxially distributed with the three avalanche diodes (2430), and the lens groups (2440) consist of a barrel shell (2441) and second lenses (2442) and optical filters (2443) coaxially assembled at the top end and the bottom end of the barrel shell (2441).
5. The preliminary screening tool for craniocerebral trauma according to claim 4, wherein: the novel high-voltage power supply is characterized in that three first positioning columns (2350) distributed in an annular array are arranged on the outer side wall of the first plug (2320), the three first positioning columns (2350) are respectively arranged on the outer sides of three laser diodes (2330) along the radial direction of the first shell (2310), three second positioning columns (2450) distributed in an annular array are arranged on the outer side wall of the second plug (2420), the three second positioning columns (2450) are respectively arranged on the outer sides of three avalanche diodes (2430) along the radial direction of the second shell (2410), and three guide grooves (2560) used for limiting the first positioning columns (2350) or the second positioning columns (2450) are formed in the threaded sleeve (2520).
6. A primary screening tool for craniocerebral trauma according to claim 1, wherein: the acquisition control module (300) comprises a wiring terminal group (310) and a USB interface (330) which are respectively arranged at the top and the bottom of the acquisition control module, and a control panel (320) is arranged on the outer side surface of the acquisition control module (300).
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