CN113476070B - Special PET check out test set of brain - Google Patents
Special PET check out test set of brain Download PDFInfo
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- CN113476070B CN113476070B CN202110859888.4A CN202110859888A CN113476070B CN 113476070 B CN113476070 B CN 113476070B CN 202110859888 A CN202110859888 A CN 202110859888A CN 113476070 B CN113476070 B CN 113476070B
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- 238000002600 positron emission tomography Methods 0.000 description 1
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/037—Emission tomography
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
- A61B6/0421—Supports, e.g. tables or beds, for the body or parts of the body with immobilising means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/501—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of the head, e.g. neuroimaging or craniography
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Abstract
The application relates to a medical imaging device, in particular to a PET detection device special for a brain, which comprises a detector for detecting the head, a mounting component for mounting the detector and a supporting component for supporting a detected person, wherein the detector is positioned in an annular structure and is in sliding connection with the mounting component; the side of the supporting component facing the detector is provided with a supporting component for supporting the head of the patient, and the supporting component is positioned on the inner side of the detector. This application has the convenience that can promote to carry out PET detection to the head, reduces the effect that the detection accuracy receives the influence.
Description
Technical Field
The application relates to medical imaging equipment, in particular to PET detection equipment special for brain.
Background
PET, a common medical imaging device in positron emission tomography, is based on the principle that a bioactive substance labeled with a radionuclide participates in the physiological metabolism of a living body, and images by receiving gamma photons generated by annihilation of positron and positron in a human body to observe the metabolism and three-dimensional distribution of the bioactive substance, and is widely used in clinical examinations.
The PET detection device generally used comprises a detector for imaging and a movable examination bed on which a subject lies, wherein the detector is in an annular structure, the examination bed is located at an axial position inside the detector, so that the subject is located at an axial position of the detector, during detection, the patient lies on the examination bed, the detector is opened, the examination bed and the detector slide relatively, and the whole body of the patient is detected.
With respect to the related art in the above, the inventors found that: the currently used PET detection equipment is generally combined with CT detection equipment for carrying out PET detection while carrying out CT detection, and detecting the whole body of a patient; with the increase of brain diseases such as Parkinson's disease, Alzheimer's disease, cerebellar atrophy and the like, the requirement for detecting the head and the brain is increased, at present, when the head and the brain diseases are detected, equipment for detecting the whole body is generally used, the equipment has larger size and higher price, the size of a detector is larger than that of an examination bed, and when the head is measured, the distance between the detector and the head is larger, so that the detection accuracy is easily influenced.
Disclosure of Invention
In order to promote the convenience of carrying out PET detection to the head, reduce the influence that the detection accuracy received, the application provides a special PET check out test set of brain.
The PET detection equipment special for the brain adopts the following technical scheme:
the PET detection equipment special for the brain comprises a detector for detecting the head, a mounting assembly for mounting the detector and a supporting assembly for supporting a detected person, wherein the detector is positioned in an annular structure and is connected with the mounting assembly in a sliding manner; the side of the supporting component facing the detector is provided with a supporting component for supporting the head of the patient, and the supporting component is positioned on the inner side of the detector.
Through adopting above-mentioned technical scheme, when examining the patient, can detect patient's head alone, consequently when setting up the size of detector to can hold patient's head as the standard, reduce the holistic size of this check out test set, the cost is reduced, simultaneously, has reduced the interval between detector medial surface and the patient head, can promote the accuracy of testing result.
Optionally, the mounting assembly comprises a mounting base body arranged on the ground, a mounting block hinged to the mounting base body, and a driving piece for driving the mounting block to rotate, and the detector is connected to the mounting block in a sliding manner; the bolster assembly includes a seat and a backrest hinged to the seat, the backrest rotating in unison with the mounting block.
Through adopting above-mentioned technical scheme, adjust the angle of installation piece and back for the patient keeps in different states, like lying, sitting and standing and the arbitrary state between the two, detects patient's head respectively under multiple state, can promote the integrality of detected data, more comprehensive aassessment patient's head.
Optionally, a connecting rod is arranged between the mounting block and the backrest, one end of the connecting rod is hinged to the mounting block, and the other end of the connecting rod is hinged to the backrest; the distance between the hinged shaft of the mounting block and the hinged shaft of the backrest is the same as the length of the connecting rod, and the connecting line between the end part of the hinged shaft of the mounting block and the end part of the hinged shaft of the backrest is parallel to the length direction of the connecting rod.
Through adopting above-mentioned technical scheme, use the connecting rod to connect back and installation piece, when the angle of adjustment installation piece and back, only need drive the installation piece and rotate, can drive the back and rotate along with the installation piece is synchronous, the convenience of operation has been promoted, in addition, the back keeps the state parallel with the installation piece, the slip direction and the back of detector keep parallel promptly, furthermore, can guarantee that patient's head is parallel with the slip direction of detector ring sum detector ring, prevent that patient's head probably receives the extrusion injury of detector ring, the while has reduced and has influenced the testing result accuracy.
Optionally, the supporting assembly comprises a supporting block connected to one side of the bearing assembly facing the detector and a supporting plate connected to the supporting block in a sliding manner and used for supporting the head, and an adjusting assembly used for driving the supporting plate to slide is arranged in the supporting block.
Through adopting above-mentioned technical scheme, at installation piece and back pivoted in-process, interval between back and the installation piece changes thereupon, and this in-process is adjusted the position of backup pad through adjusting part for the patient head is located the inboard axis position department of detector, keeps the stability that the patient head is located the inboard position of detector, reduces the phenomenon that the skew appears and produces the influence to the accuracy of testing result because of the position that the patient head is located the detector inboard.
Optionally, the supporting block is provided with an installation groove for accommodating the supporting plate, and the supporting plate is embedded in the installation groove; the adjusting component comprises an adjusting push rod arranged in the mounting groove, and the adjusting push rod is used for driving the supporting plate to slide; the mounting groove is internally provided with a horizontal measuring instrument and a controller, the horizontal measuring instrument and the adjusting push rod are both connected with the controller, the angle of the backrest is detected through the horizontal measuring instrument, and the controller controls the adjusting push rod to stretch.
Through adopting above-mentioned technical scheme, at the in-process of adjusting the angle of installing piece and back, the inclination of level gauge detection back can be according to the procedure of preselection setting through controller control regulation push rod flexible, adjusts the position of backup pad for patient's head is located the axis in the detector, does not need the staff manual position to the backup pad to adjust, has promoted the convenience of operation.
Optionally, a guide piece is arranged in the mounting groove, the guide piece comprises a guide cylinder fixed on the bottom of the mounting groove and a guide rod fixed on the support plate, and the guide rod is embedded in the guide cylinder and is in sliding connection with the guide cylinder; the upper side edges of the supporting plate and the supporting block facing the side face of the backrest direction are provided with arc-shaped transition faces.
Through adopting above-mentioned technical scheme, promoted the stability that backup pad and supporting shoe are connected, patient's head lies in under the state in the backup pad, and the skew problem is difficult to appear in the backup pad, simultaneously, has also reduced the atress of the hookup location department of adjusting the push rod, reduces the problem that the damage appears in adjusting the push rod.
Optionally, one side of the seat far away from the backrest is hinged with a bearing plate, and the bearing plate is connected with an adjusting piece used for driving the bearing plate to rotate.
Through adopting above-mentioned technical scheme, set up the bearing board and support patient's shank, can promote the travelling comfort that the patient was in when the state of lying, in addition, to the inconvenient patient of action, the patient sits back on the seat, through the adjustment backplate and be the position of layer board, supplementary posture to the patient is adjusted, and the patient that can be convenient for need examine time measuring and detect the removal after finishing, promotes the convenience that this check out test set used.
Optionally, a fixing block is fixedly connected to one side, facing the mounting block, of the outer wall of the detector, so that the side, facing the mounting block, of the cross section of the detector is rectangular; the mounting block is provided with an embedded groove, the fixed connection block is embedded in the embedded groove, and the side surface of the fixed connection block facing the mounting base body, which is attached to the bottom of the embedded groove, is fixedly connected with an inserting plate; the side face of the caulking groove, which is far away from the mounting base body, is communicated with the side face of the mounting block, and the side wall of the caulking groove, which is close to the mounting base body, is provided with a plugging groove for the plugging plate to be plugged in; the inserting groove is internally provided with a sliding piece for driving the detector to slide.
Through adopting above-mentioned technical scheme, detector ring is comparatively stable with the installation piece is connected, can reduce the occupation of opening exterior space to the installation, has promoted the integrality in the installation piece outside simultaneously.
Optionally, the detector includes a block detector ring and a plurality of detection modules of setting on the detector ring, and the inboard side of the cross-section of detector ring is circular, and a plurality of detection modules are fixed on the inside wall of detector ring, and a plurality of detection modules enclose and establish and form an annular structure.
By adopting the technical scheme, a plurality of detection modules form an annular structure, and the follow-up can be comparatively convenient change single detection module, promoted the convenience of maintenance, use, and can adjust the size of the annular structure that a plurality of detection modules enclose as required, promote the suitability.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the head of the patient is detected by the detection equipment independently, and compared with the detection of the whole body of the patient, the size of the detector can be reduced, namely the cost is reduced, meanwhile, the distance between the inner side surface of the detector and the head of the patient is reduced, and the accuracy of the detection result of the detection equipment is improved;
2. the backrest is hinged to the mounting base body through the mounting block, the backrest is hinged to the seat, and the backrest and the seat are connected through the connecting rod, so that the patient is kept in a plurality of different states, the patient is detected in different states, the comprehensiveness of the detection result is improved, and the patient is more comprehensively evaluated;
3. through the supporting component and the adjusting component that set up, carry out the in-process of adjusting to the angle of installation piece and back, use adjusting component to adjust the position of backup pad for patient's head is located the inboard axis position department of detector, guarantees patient's head safety, reduces the phenomenon that the error appears in the testing result simultaneously.
Drawings
FIG. 1 is a schematic view of a detection apparatus of an embodiment of the present application;
FIG. 2 is a sectional view for showing the structure of the probe;
FIG. 3 is a schematic view showing a connection structure of the probe and the mounting block;
FIG. 4 is a schematic view of a detection apparatus according to an embodiment of the present application in a sitting position with respect to a patient;
fig. 5 is a schematic view for showing the structure of the support member.
Description of reference numerals: 1. a detector; 11. a detector ring; 12. a detection module; 13. a fixing and connecting block; 14. a plugboard; 141. a yielding groove; 2. mounting the component; 21. installing a base body; 22. mounting blocks; 221. caulking grooves; 222. inserting grooves; 23. a sliding member; 24. a drive member; 25. a base plate; 3. a holding assembly; 31. a seat; 32. a backrest; 33. a connecting rod; 34. a support plate; 35. an adjustment member; 4. a support assembly; 41. a support block; 411. mounting grooves; 42. a support plate; 43. an arc transition surface; 5. an adjustment assembly; 51. adjusting the push rod; 52. a guide member; 521. a guide cylinder; 522. a guide bar; 53. a level gauge; 54. and a controller.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses special PET check out test set of brain. Referring to fig. 1, the PET examination apparatus includes a detector 1, a mounting assembly 2 for mounting the detector 1, and a holding assembly 3 for holding a subject; the mounting assembly 2 comprises a mounting base body 21 fixed on the ground and a mounting block 22 arranged on the mounting base body 21, and the detector 1 is connected to the mounting block 22 in a sliding manner; the supporting component 3 comprises a seat 31 fixed on the ground and a backrest 32 fixed on the seat 31, the backrest 32 is positioned at one side of the seat 31 facing the mounting block 22, the backrest 32 is positioned at the upper side of the mounting block 22, and the side of the backrest 32 far away from the seat 31 is provided with a supporting component 4 for supporting the head of a patient; the inner side edge of the section of the detector 1 is circular, the size of the inner ring of the section of the detector is only required to accommodate the head of a patient, and the diameter of the inner ring of the section of the detector 1 is set to be 30mm in the embodiment; in the state in which the head of the patient is on the support assembly 4, the head of the patient is located at the axial position inside the probe 1; in the detection process, the detector 1 is positioned on the outer side of the supporting component 4, and after the detection is finished, the detector 1 slides to enable the supporting component 4 to be positioned on the outer side of the detector 1.
When the detection device is used for detecting the head of a patient, the detector 1 is positioned on one side of the support assembly 4, which is far away from the backrest 32, a person to be detected lies on the seat 31 and the backrest 32, the head of the patient is positioned on the support assembly 4, the detector 1 slides towards the backrest 32 and covers the outer side of the head, and the detection on the head of the patient is realized; this PET check out test set is used for detecting examinee's head alone, and detector 1's size satisfy hold patient's head can, reduce this check out test set's overall size, reduce check out test set's cost, in addition, when examining, can detect patient's head alone, and the clearance between 1 medial surface of detector and the patient head is less, and the result of surveying is comparatively accurate, promotes the accuracy nature of surveying.
Referring to fig. 1 and 2, the detector 1 includes a detector ring 11 and a plurality of detection modules 2, the detector ring 11 is a circular ring structure, the plurality of detection modules 2 are fixed on the inner side of the detector ring 11, and the plurality of detection modules 2 surround to form a circular ring structure.
The detection module 2 comprises LYSO, SiPM and ASIC, wherein LYSO (yttrium lutetium silicate scintillation crystal) has short response time, high detection efficiency on gamma rays and stable physicochemical properties; SiPM (silicon photomultiplier) has the advantages of high sensitivity and difficult magnetic field interference; the ASIC (application specific integrated circuit) has the advantages that the ASIC (application specific integrated circuit) operates independently in multiple channels, each channel integrates an amplifier, a discriminator, a charge integration ADC (analog-to-digital converter) and a high-performance TDC (time-to-digital converter), data collected by the detector 1 can be processed at high speed, and the overall performance of the detection module 2 is improved.
Referring to fig. 1 and 3, a fixing block 13 is fixedly connected to one side of the detector ring 11 facing the mounting block 22, and one side of the fixing block 13 facing the mounting block 22 is rectangular; the side surface of the mounting block 22 facing the detector ring 11 is provided with an embedding groove 221, and the embedding groove 221 is communicated with the side surface of the mounting block 22 far away from the mounting base body 21; the fixing block 13 is embedded in the caulking groove 221 and is connected with the mounting block 22 in a sliding manner, specifically, an inserting plate 14 is fixedly connected to one side edge of the fixing block 13 facing the side face of the mounting base 21 and attached to the bottom of the caulking groove 221, an inserting groove 222 for the inserting plate 14 to be embedded is formed in the side wall of the caulking groove 221 close to the mounting base 21, and the inserting plate 14 is connected with the mounting block 22 in a sliding manner; two sliding pieces 23 used for driving the detector ring 11 to slide are arranged in the mounting block 22, the sliding pieces 23 are electric push rods, the two sliding pieces 23 are fixed on the bottom of the insertion groove 222, the insertion plate 14 is provided with a yielding groove 141 used for accommodating the electric push rods, and the telescopic end of the electric push rod is fixedly connected to the bottom of the yielding groove 141 so as to drive the detector 1 to slide.
Referring to fig. 1 and 4, the mounting block 22 is hinged on the mounting base 21, the mounting assembly 2 further includes a driving part 24 for driving the mounting block 22 to rotate, a bottom plate 25 is fixedly connected to the lower side of the mounting base 21, the driving part 24 is arranged between the bottom plate 25 and the mounting block 22, the driving part 24 can selectively use a motor, a hydraulic cylinder, a cylinder and other structures, as long as the mounting block 22 can be driven to rotate, the hydraulic cylinder is selectively used in the embodiment, one end of the hydraulic cylinder is hinged on the bottom plate 25, the other end of the hydraulic cylinder is hinged on the mounting block 22, the angle of the mounting block 22 is adjusted, and the mounting block 22 is driven to rotate upwards to a vertical state from a horizontal state.
Referring to fig. 1 and 4, the backrest 32 is hinged to the seat 31, and a connecting rod 33 is disposed between the backrest 32 and the mounting block 22, such that the backrest 32 and the mounting block 22 rotate synchronously, two connecting rods 33 are provided, the two connecting rods 33 are respectively disposed at two opposite sides of the backrest 32, one end of the connecting rod 33 is hinged to the backrest 32, and the other end of the connecting rod 33 is hinged to the mounting block 22, a distance between a hinge shaft of the mounting block 22 and the hinge shaft of the backrest 32 is the same as a length of the connecting rod 33, and a connecting line between an end of the hinge shaft of the mounting block 22 and an end of the hinge shaft of the backrest 32 is parallel to a length direction of the connecting rod 33, such that the mounting block 22, the backrest 32, the connecting rod 33, and a connecting line between the hinge shaft of the mounting block 22 and the hinge shaft of the backrest 32 form a parallelogram structure.
When using this check out test set to detect patient's head, can adjust the angle of installation piece 22 and back 32, and the in-process of adjusting, back 32 keeps the state parallel with installation piece 22, the slip direction of detector 1 is parallel with the plane at back 32 place promptly, the patient can keep lying flatly, sit and stand and arbitrary state position department between the two, under the state that the patient is in different angles, there is certain difference in the brain image of collection, gather the information of multiple state, the information of collection is more comprehensive, it is accurate.
The backrest 32 and the mounting block 22 are connected through the arranged connecting rod 33, so that the backrest 32 and the mounting block 22 rotate synchronously, the backrest 32 is kept in a state of being parallel to the mounting block 22, the sliding direction of the detector 1 is kept parallel to the length direction of the backrest 32, and the phenomenon that errors occur in detection results due to the fact that the sliding direction of the detector 1 is inclined is reduced.
Referring to fig. 1 and 5, the supporting assembly 4 includes a supporting block 41 fixed on the backrest 32 and a supporting plate 42 disposed on the supporting block 41, specifically, the supporting block 41 is provided with an installation groove 411, the supporting plate 42 is embedded in the installation groove 411 and slidably connected with the supporting block 41, and an adjusting assembly 5 for driving the supporting plate 42 to slide is disposed in the installation groove 411; the adjusting component 5 comprises an adjusting push rod 51 fixed at the middle position on the bottom of the mounting groove 411, the adjusting push rod 51 is an electric push rod, and the telescopic end of the electric push rod is fixedly connected with the supporting plate 42 so as to drive the supporting plate 42 to slide; the adjusting assembly 5 further comprises a plurality of guiding elements 52, the plurality of guiding elements 52 are uniformly distributed at intervals, the guiding elements 52 comprise guiding cylinders 521 fixed on the bottoms of the mounting grooves 411 and guiding rods 522 fixed on the supporting plate 42, and the guiding rods 522 are embedded in the guiding cylinders 521 and are in sliding connection with the guiding cylinders 521.
In the process that the hydraulic cylinder drives the installation block 22 and the backrest 32 to rotate, the distance between the backrest 32 and the installation block 22 is changed accordingly, the position of the supporting component 4 in the detector ring 11 is changed, at the moment, the supporting plate 42 is driven to slide through the adjusting component 5, the position of the head of a patient is adjusted, the head of the patient is kept at the axis position in the detector 1, the stability of the head at the axis position in the detector 1 is kept, and in the process that the angle of the backrest 32 is changed, the phenomenon that errors are caused to the detection result is not easy to occur.
Referring to fig. 5, the adjusting assembly 5 further includes a horizontal measuring instrument 53 and a controller 54, the horizontal measuring instrument 53 and the controller 54 are both fixed on the bottom of the mounting groove 411, and the horizontal measuring instrument 53 and the adjusting push rod 51 are both connected with the controller 54; in the process of adjusting the angles of the installation block 22 and the backrest 32, the angle of the backrest 32 is detected by the horizontal measuring instrument 53, the detection result is transmitted to the controller 54, the adjusting push rod 51 is driven to stretch, the position of the supporting plate 42 is adjusted, the position of the supporting plate 42 does not need to be adjusted manually by a worker, the adjustment of the position of the supporting plate 42 can be realized by detecting the angle of the backrest 32, and the use convenience of the detection device is improved.
Referring to fig. 5, the support block 41 and the support plate 42 are provided with arc-shaped transition surfaces 43 at upper edges of sides facing the backrest 32, thereby improving comfort for the patient.
Referring to fig. 1 and 4, a support plate 34 is arranged on one side of the seat 31 far away from the backrest 32, the support plate 34 is hinged on the seat 31, the bottom plate 25 on the lower side of the mounting base 21 extends to one side of the seat 31 far away from the mounting base 21, an adjusting piece 35 is arranged between the bottom plate 25 and the support plate 34, the adjusting piece 35 is a hydraulic cylinder, one end of the adjusting piece 35 is hinged on the bottom plate 25, and the other end of the adjusting piece 35 is hinged on the support plate 34; in addition, the adjusting member 35 may also be a telescopic structure such as a cylinder or an electric push rod.
The supporting plate 34 is arranged to support the legs of the patient, so that the comfort of the patient in a lying state is improved; for the patient who moves inconveniently, when detecting, adjust supporting plate 34 to vertical state, be located the position of pasting mutually with one side of seat 31 for the patient sits on seat 31, back 32 is in vertical state this moment, later through adjusting back 32 and supporting plate 34 and rotate, adjust the patient to the state of lying flat, compare in the condition that the patient directly lies flat on seat 31 and back 32, the patient sits on seat 31 more laborsaving and convenient, the patient stands up from seat 31 also more laborsaving.
The implementation principle of the PET detection equipment special for the brain in the embodiment of the application is as follows: the size of the detector 1 is matched with the size of the head of a patient, the head of the patient is detected independently, the size of the detector 1 is reduced, the overall cost of the detection equipment is reduced, the convenience for detecting the head of the patient is improved, meanwhile, the distance between the inner side surface of the detector 1 and the head of the patient is reduced, and the problem of errors caused by the accuracy of detection results is solved; set up installation piece 22 and articulate on installation base member 21, simultaneously, back 32 articulates on seat 31, uses the angle of driving piece 24 installation piece 22 and back 32 to adjust, and the patient is in the tie and lies, sits when standing and between the two arbitrary state, detects through detector 1, reduces because of the angle difference produces the phenomenon of influence to the accuracy of testing result, promotes the comprehensiveness of information collection, and the result is more accurate.
Set up connecting rod 33 and connect back 32 and installation piece 22, at the in-process of adjusting the two angles, back 32 keeps the state parallel with installation piece 22 for detector 1's slip direction keeps parallel with back 32, and the supporting component 4 that the cooperation set up simultaneously, and set up adjusting part 5 and adjust the position of backup pad 42, make patient's head keep on the central line of detector 1 inboard, be difficult to exert an influence to the accuracy of testing result.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides a special PET check out test set of brain which characterized in that: the head detector comprises a detector (1) for detecting the head, an installation component (2) for installing the detector (1) and a bearing component (3) for bearing a detected person, wherein the detector (1) is of an annular structure, and the detector (1) is in sliding connection with the installation component (2); a supporting component (4) for supporting the head of the patient is arranged on one side, facing the detector (1), of the supporting component (3), and the supporting component (4) is located on the inner side of the detector (1);
the mounting assembly (2) comprises a mounting base body (21) arranged on the ground, a mounting block (22) hinged on the mounting base body (21) and a driving piece (24) used for driving the mounting block (22) to rotate, and the detector (1) is connected to the mounting block (22) in a sliding mode; the supporting component (3) comprises a seat (31) and a backrest (32) hinged on the seat (31), and the backrest (32) and the mounting block (22) rotate synchronously;
a connecting rod (33) is arranged between the mounting block (22) and the backrest (32), one end of the connecting rod (33) is hinged on the mounting block (22), and the other end is hinged on the backrest (32); the distance between the hinged shaft of the mounting block (22) and the hinged shaft of the backrest (32) is the same as the length of the connecting rod (33), and the connecting line between the end part of the hinged shaft of the mounting block (22) and the end part of the hinged shaft of the backrest (32) is parallel to the length direction of the connecting rod (33);
the supporting component (4) comprises a supporting block (41) connected to one side, facing the detector (1), of the bearing component (3) and a supporting plate (42) connected to the supporting block (41) in a sliding mode and used for supporting the head, and an adjusting component (5) used for driving the supporting plate (42) to slide is arranged in the supporting block (41);
the supporting block (41) is provided with a mounting groove (411) for accommodating the supporting plate (42), and the supporting plate (42) is embedded in the mounting groove (411); the adjusting component (5) comprises an adjusting push rod (51) arranged in the mounting groove (411), and the adjusting push rod (51) is used for driving the supporting plate (42) to slide; still be provided with level gauge (53) and controller (54) in mounting groove (411), level gauge (53) and regulation push rod (51) all are connected with controller (54), and in the in-process of adjusting installation piece (22) and back (32) angle, level gauge (53) detect the angle of back (32), and the result of detection is transmitted to controller (54) in, drives regulation push rod (51) and stretches out and draws back, adjusts the position of backup pad (42).
2. The PET detection device special for brain according to claim 1, characterized in that: a guide piece (52) is arranged in the mounting groove (411), the guide piece (52) comprises a guide cylinder (521) fixed on the bottom of the mounting groove (411) and a guide rod (522) fixed on the support plate (42), and the guide rod (522) is embedded in the guide cylinder (521) and is in sliding connection with the guide cylinder (521); the upper side edges of the supporting plate (42) and the supporting block (41) facing to the side face of the backrest (32) are provided with arc-shaped transition faces (43).
3. The PET detection device special for brain according to claim 1, characterized in that: one side of the seat (31) far away from the backrest (32) is hinged with a bearing plate (34), and the bearing plate (34) is connected with an adjusting piece (35) used for driving the bearing plate (34) to rotate.
4. The PET detection device special for brain according to claim 1, characterized in that: a fixed connecting block (13) is fixedly connected to one side, facing the mounting block (22), of the outer wall of the detector (1), so that the side, facing the mounting block (22), of the section of the detector (1) is rectangular; the mounting block (22) is provided with an embedded groove (221), the fixed connection block (13) is embedded in the embedded groove (221), and a plug board (14) is fixedly connected to one side edge of the side face, facing the mounting base body (21), of the fixed connection block (13) and attached to the bottom of the embedded groove (221); the caulking groove (221) is communicated with the side face, far away from the mounting base body (21), of the mounting block (22), and a plugging groove (222) for the plugging plate (14) to be plugged into is formed in the side wall, close to the mounting base body (21), of the caulking groove (221); a sliding piece (23) for driving the detector (1) to slide is arranged in the inserting groove (222).
5. The PET detection device special for brain according to claim 1, characterized in that: detector (1) package piece detector ring (11) and a plurality of detection module (12) of setting on detector ring (11), the inboard side of the cross-section of detector ring (11) is circular, and a plurality of detection module (12) are fixed on the inside wall of detector ring (11), and a plurality of detection module (12) enclose and establish and form an annular structure.
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