CN113662572B - X-ray bone mineral density detector - Google Patents
X-ray bone mineral density detector Download PDFInfo
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- CN113662572B CN113662572B CN202110957311.7A CN202110957311A CN113662572B CN 113662572 B CN113662572 B CN 113662572B CN 202110957311 A CN202110957311 A CN 202110957311A CN 113662572 B CN113662572 B CN 113662572B
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- instrument base
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- rotary drum
- cover cylinder
- limiting
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 19
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 17
- 239000011707 mineral Substances 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000008447 perception Effects 0.000 abstract 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 13
- 235000017491 Bambusa tulda Nutrition 0.000 description 13
- 241001330002 Bambuseae Species 0.000 description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 13
- 239000011425 bamboo Substances 0.000 description 13
- 230000037182 bone density Effects 0.000 description 8
- 241000219098 Parthenocissus Species 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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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
- A61B6/505—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 bone
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention provides an X-ray bone mineral density detector, relates to the technical field of medical instruments, and solves the problems that when a patient is detected, the existing device only scans and detects the front position of the patient, the front part cannot be thoroughly detected, the actual measurement is deviated, the situation that part of the patient is subjected to multiple movement and is not matched with the detection and the situation that the limb perception capability is poor, and the data is deviated and cannot be checked due to the multiple movement during the detection. An X-ray bone mineral density detector comprises an instrument base; the front end position of the top of the instrument base is in sliding connection with the bottom position of the lying plate; the instrument base includes: the bottom of the stand is in an inclined shape, and a chute is arranged in the middle of the top of the stand. According to the shape of the cover cylinder and the rotary cylinder, when the rotary cylinder rotates, the position of the inner ring of the cover cylinder where the detecting instrument is positioned is always kept, so that the distance between the detecting instrument and a patient is always kept at the same straight line distance, and the situation that the detecting instrument is too close and too far is avoided.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to an X-ray bone mineral density detector.
Background
The X-ray bone density instrument is an analysis instrument used in the clinical medicine field, bone density is the bone density, the bone density is reduced along with the age, the bone density of a human body is clinically detected by the X-ray bone density detector, the numerical value is compared with a standard numerical value, the artificial bone density is normal within the standard range, and the number below the standard range is the reduction of the index of the stock.
For example, application number: the invention discloses a multifunctional X-ray bone densitometer, which comprises a frame, a guide rail, a U-shaped arm, an X-ray generating device, an X-ray detector, an X-ray shielding device, a motion system, a control system and a display system, wherein the guide rail is arranged on the frame; the guide rail sets up in the frame upper surface, and the U type arm sets up on the guide rail, and movement system sets up in the one end of frame to be connected with the guide rail, control system sets up in the other end of frame, is connected with display system, and display system independently sets up or sets up in the frame, and X ray generator sets up in the U type one end of U type arm, and X ray detector sets up in the U type other end of U type arm, highly uniform with X ray generator, and X ray shielding device sets up in the X ray detector one side of U type arm. The multifunctional X-ray bone densimeter provided by the invention is convenient to use, can realize the functions of diagnosing limb fracture, measuring bone density and predicting and diagnosing osteoporosis, and avoids the inconvenience caused by using large-scale equipment.
Similar to the above application, the following disadvantages currently exist: one is that when detecting the patient, the equipment only scans the position of the front face of the patient, has limitation, the part which is not sensed on the front face can not be thoroughly detected, the actual measurement is deviated, and the other is that partial patients have the condition of overmovement and non-matching examination and the condition of poor limb sensing capability, and the overmovement causes the deviation of data during the detection and can not be checked. Accordingly, the present invention has been made in view of the above circumstances, and an object of the present invention is to provide an X-ray bone mineral density detector which has a practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides an X-ray bone mineral density detector to solve the problems that the existing device only scans and detects the front position of a patient when detecting the patient, and the device has limitations and cannot detect the parts which are not sensed on the front thoroughly.
The purpose and the efficacy of the X-ray bone mineral density detector are achieved by the following specific technical means:
an X-ray bone mineral density detector comprises an instrument base;
The front end position of the top of the instrument base is in sliding connection with the bottom position of the lying plate; the instrument base includes: the bottom of the stand is in an inclined shape, a chute is arranged in the middle of the top of the stand, and the bottom of the stand is fixedly connected to the front end of the top of the instrument base;
the seat block is rectangular and is fixedly connected to the middle rear position of the top of the instrument base, and is positioned right behind the stand;
Further, the instrument base includes:
The limiting frames are provided with two positions in total, each limiting frame is L-shaped, rectangular grooves are formed in the side faces of each limiting frame, and the two limiting frames are fixedly connected to the rear position of the top of the instrument base in a symmetrical mode.
Further, the middle position of the bottom of the lying plate is provided with a slide bar, the slide bar of the bottom of the lying plate is in sliding connection with a sliding groove in the middle of the top of the vertical frame, the front end position of the lying plate is provided with a pedal, the rear end position of the lying plate is provided with a support, and a groove at the top of the support is designed as a cambered surface.
Further, the service creeper includes:
the limiting seat is provided with two parts, the two limiting seats are respectively connected to the left side and the right side of the lying plate in a sliding mode, the top of the limiting seat is provided with an arc-shaped plate, and the arc-shaped plate is symmetrically provided with two arc grooves.
Further, the service creeper includes:
the clamping pieces are arranged in the two arc grooves of the limiting seat, and clamping plates are arranged at the inner side positions of the clamping pieces.
Further, the X-ray bone mineral density detector comprises a cover cylinder; the cover section of thick bamboo is the front and back narrow shape, and cover section of thick bamboo front end lower position is provided with the rectangular channel, and cover section of thick bamboo rear end surface is provided with the bearing, cover section of thick bamboo rectangular channel and seat piece fixed connection, cover section of thick bamboo is located lying board directly behind the position, and lying board width is less than cover section of thick bamboo inside groove diameter.
Further, the X-ray bone mineral density detector comprises a rotary drum; the rotary drum is in a circular tube shape, a gear ring is arranged in the middle of the outer side of the rotary drum, and the rotary drum is rotationally connected to the rear end of the cover drum.
Further, the rotary drum comprises:
The connecting frame is L-shaped and fixedly connected to the position above the rear end of the rotary drum, and the front end position of the bottom of the connecting frame is positioned in the inner position of the rotary drum;
and the detecting instrument is fixedly connected to the lower position of the front end of the connecting frame and is positioned at the upper position inside the cover cylinder.
Further, the X-ray bone mineral density detector comprises a double-sided rack; the two sides of the double-sided rack are respectively provided with a stop block, the double-sided rack is in sliding connection with the two rectangular grooves of the limiting frames, and the middle position of the top of the double-sided rack is meshed with the bottom position of the rotary drum gear ring.
Further, the X-ray bone mineral density detector comprises a driving piece; the driving piece is a motor, a gear is arranged at the front end of the driving piece, the upper end of the gear of the driving piece is meshed with the bottom of the double-sided rack, the gear of the driving piece is positioned right below the rotary drum gear ring, and the bottom of the driving piece is fixedly connected to the rear position of the top of the instrument base.
Compared with the prior art, the invention has the following beneficial effects:
Because two sides of the double-sided rack are provided with the check blocks, the double-sided rack is slidably connected in the rectangular grooves of the two limiting frames, and the double-sided rack is completed through the cooperation of the driving piece on the premise that sliding occurs, so that when the position of the double-sided rack is not at the middle position of the two limiting frames, the driving piece can be known to be in a state of not resetting, the detecting instrument is not positioned right above a patient, and therefore the rotating position of the detecting instrument can be determined without a front view device, and on the other hand, the check blocks on two sides of the double-sided rack are prevented from being separated from the two limiting frames, so that the driving piece cannot continuously pull the rotary drum to rotate.
Because the width of the lying plate is smaller than the diameter of the inner groove of the cover cylinder, the lying plate is convenient to avoid damage caused by contact collision of the cover cylinder when sliding with the stand; because two arc grooves of the limiting seat are provided with clamping pieces, clamping plates are arranged at the inner side positions of the clamping pieces, proper and proper fixation is carried out according to the sizes of arms and legs of a patient, and the conditions of disorder of the patient and weak control capability are limited.
According to the shape of the cover cylinder and the rotary cylinder, when the rotary cylinder rotates, the position of the inner ring of the cover cylinder where the detecting instrument is positioned is always kept, so that the distance between the detecting instrument and a patient is always kept at the same straight line distance, and the situation that the detecting instrument is too close and too far is avoided.
Drawings
Fig. 1 is a schematic diagram of the front view state structure of the present invention.
Fig. 2 is a schematic diagram of the left-view state structure of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a schematic side view of the instrument base of the present invention.
Fig. 5 is a schematic view of the front view of the lying board of the present invention.
Fig. 6 is a schematic side view of the creeper of this invention.
Fig. 7 is a schematic side view of the cartridge of the present invention.
Fig. 8 is a schematic side view of the drum of the present invention.
In the figure, the correspondence between the component names and the drawing numbers is:
1. An instrument base; 101. a vertical frame; 102. a sitting block; 103. a limiting frame; 2. a lying plate; 201. a limiting seat; 202. a clamping piece; 3. a cover cylinder; 4. a rotating drum; 401. a connecting frame; 402. a detection instrument; 5. double-sided racks; 6. a driving member.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
As shown in fig. 1 to 8:
The invention provides an X-ray bone mineral density detector, which comprises: the instrument base 1, instrument base 1 top front end position and service creeper 2 bottom position sliding connection. The instrument base 1 comprises: the bottom of the stand 101 is in an inclined shape, a chute is arranged in the middle of the top of the stand 101, and the bottom of the stand 101 is fixedly connected to the front end position of the top of the instrument base 1; the seat block 102 is rectangular, the seat block 102 is fixedly connected to the middle rear position of the top of the instrument base 1, and the seat block 102 is positioned right behind the stand 101; the limiting frames 103 are symmetrically arranged in two, each limiting frame 103 is L-shaped, rectangular grooves are formed in the side faces of each limiting frame 103, and the two limiting frames 103 are fixedly connected to the rear position of the top of the instrument base 1.
The middle position of the bottom of the lying plate 2 is provided with a slide bar, the slide bar at the bottom of the lying plate 2 is in sliding connection with a sliding groove in the middle of the top of the vertical frame 101, the front end position of the lying plate 2 is provided with a pedal, the rear end position of the lying plate 2 is provided with a support, and a groove at the top of the support is designed to be an arc surface and used for placing the neck of a patient. The lying plate 2 comprises: the limiting seat 201, limiting seat 201 is provided with two places symmetrically, and two limiting seats 201 are respectively sliding connection in the left and right sides position of service creeper 2, and limiting seat 201 top is the cambered surface board, and two arc grooves have been seted up along axial symmetry to the cambered surface board. The clamping pieces 202 are arranged in two arc grooves of the limiting seat 201, the clamping pieces 202 are also arc-shaped and are bent towards the directions close to each other, and clamping plates are arranged at the inner side positions of each clamping piece 202.
The X-ray bone mineral density detector also comprises a cover cylinder 3 and a rotary cylinder 4; the cover section of thick bamboo 3 is the front and back narrow shape, and cover section of thick bamboo 3 front end below position is provided with the rectangular channel, cover section of thick bamboo 3 rectangular channel and seat 102 fixed connection, and cover section of thick bamboo 3 rear end surface is provided with the bearing, and cover section of thick bamboo 3 is located service creeper 2 directly behind the position, and service creeper 2 width is less than cover section of thick bamboo 3 inside groove diameter. The rotary drum 4 is in a circular tube shape, a gear ring is arranged in the middle of the outer side, and the rotary drum 4 is rotationally connected with the rear end position of the cover drum 3 through a bearing. The rotary drum 4 comprises: the connecting frame 401, the connecting frame 401 is L-shaped, the connecting frame 401 is fixedly connected to the position above the rear end of the rotary drum 4, and the front end position of the bottom of the connecting frame 401 is positioned in the inner position of the rotary drum 4; the detecting instrument 402, the detecting instrument 402 fixed connection is in the front end below position of link 401, and detecting instrument 402 is located the inside of cover section of thick bamboo 3.
The X-ray bone mineral density detector comprises a double-sided rack 5 and a driving piece 6; the two sides of the double-sided rack 5 are provided with stop blocks, the double-sided rack 5 is connected in the rectangular grooves of the two limiting frames 103 in a sliding mode, and the top of the double-sided rack 5 is meshed with the bottom of the gear ring of the rotary drum 4. The driving piece 6 is a motor, a gear is arranged at the front end of the driving piece 6, the gear of the driving piece 6 is meshed with the bottom of the double-sided rack 5, the gear of the driving piece 6 is positioned right below the gear ring of the rotary drum 4, and the bottom of the driving piece 6 is fixedly connected to the rear position of the top of the instrument base 1.
When in use, the utility model is characterized in that: the whole instrument base 1 is placed according to the fit point position, then the patient is assisted to lie in the middle position of the top of the lying plate 2, the neck position of the patient is clamped in the support at the rear end position of the lying plate 2, and the patient is limited and fixed according to the position with weak self-care ability of the patient, for example, when the arm of the patient needs to be fixed, the position of the lying plate 2 of the limiting seat 201 is adjusted through the sliding of the limiting seat 201 and the lying plate 2, the arm position of the patient is placed at the top position of the limiting seat 201, and the arm position of the patient is fixed according to the position adjustment of the clamping pieces 202 at two positions.
Next, the whole position of the lying plate 2 is controlled to move through the cooperation of the sliding strip of the lying plate 2 and the sliding groove at the top of the vertical frame 101, the lying plate 2 is integrally arranged at the middle position in the cover cylinder 3 until the needed detection position of a patient is positioned at the lower position of the detection instrument 402, the detection instrument 402 is started to perform the detection process for the patient, on the other hand, when the patient needs to perform lateral inspection, a medical staff starts the driving piece 6, the front end gear wheel of the driving piece 6 rotates to drive the double-sided rack 5 to slide at the middle position of the two limiting frames 103, when the double-sided rack 5 slides, the whole of the rotary cylinder 4 rotates through the cooperation of the double-sided rack 5 and the bottom position of the gear ring of the rotary cylinder 4, and when the rotary cylinder 4 rotates, the position in the cover cylinder 3 where the detection instrument 402 is positioned is changed, and the lateral detection effect can be realized.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
- X-ray bone mineral density detector, its characterized in that: comprises an instrument base;The front end position of the top of the instrument base is in sliding connection with the bottom position of the lying plate; the instrument base includes: the bottom of the stand is in an inclined shape, a chute is arranged in the middle of the top of the stand, and the bottom of the stand is fixedly connected to the front end of the top of the instrument base; the middle position of the bottom of the lying plate is provided with a slide bar, the slide bar at the bottom of the lying plate is in sliding connection with a sliding groove in the middle of the top of the vertical frame, the front end of the lying plate is provided with a pedal, the rear end of the lying plate is provided with a bracket, and the groove at the top of the bracket is designed as a cambered surface; the lying plate comprises: the limiting seat and the clamping piece are provided with two parts, the two limiting seats are respectively connected to the left side and the right side of the lying plate in a sliding mode, the top of the limiting seat is provided with an arc-shaped plate, and the arc-shaped plate is symmetrically provided with two arc grooves; two arc grooves of the limiting seat are internally provided with a clamping piece, the inner side of each clamping piece is provided with a clamping plate, and the clamping pieces are arc-shaped and bend towards the direction approaching to each other;The seat block is rectangular and is fixedly connected to the middle rear position of the top of the instrument base, and is positioned right behind the stand; the instrument base comprises: the limiting frames are provided with two positions in total, each limiting frame is L-shaped, rectangular grooves are formed in the side surfaces of each limiting frame, and the two limiting frames are fixedly connected to the rear position of the top of the instrument base in a symmetrical mode;the device also comprises a cover cylinder, a rotary cylinder, a double-sided rack and a driving piece;The cover cylinder is in a front wide and rear narrow shape, a rectangular groove is formed in the lower position of the front end of the cover cylinder, a bearing is arranged on the surface of the rear end of the cover cylinder, the rectangular groove of the cover cylinder is fixedly connected with the seat block, the cover cylinder is positioned right behind the lying plate, and the width of the lying plate is smaller than the diameter of the inner groove of the cover cylinder;The rotary drum is in a circular tube shape, a gear ring is arranged in the middle of the outer side of the rotary drum, and the rotary drum is rotationally connected to the rear end of the cover drum; the rotary drum comprises: the connecting frame is L-shaped, the connecting frame is fixedly connected to the position above the rear end of the rotary drum, and the front end position of the bottom of the connecting frame is positioned in the inner position of the rotary drum; the detecting instrument is fixedly connected to the lower position of the front end of the connecting frame and is positioned at the upper position inside the cover cylinder;the two sides of the double-sided rack are provided with stop blocks, the double-sided rack is connected in the rectangular grooves of the two limiting frames in a sliding manner, and the middle position of the top of the double-sided rack is meshed with the bottom position of the rotary drum gear ring;The driving piece is a motor, a gear is arranged at the front end of the driving piece, the upper end of the gear of the driving piece is meshed with the bottom of the double-sided rack, the gear of the driving piece is positioned right below the rotary drum gear ring, and the bottom of the driving piece is fixedly connected to the rear position of the top of the instrument base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110957311.7A CN113662572B (en) | 2021-08-20 | 2021-08-20 | X-ray bone mineral density detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110957311.7A CN113662572B (en) | 2021-08-20 | 2021-08-20 | X-ray bone mineral density detector |
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| Publication Number | Publication Date |
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| CN113662572A CN113662572A (en) | 2021-11-19 |
| CN113662572B true CN113662572B (en) | 2024-07-09 |
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| CN202110957311.7A Active CN113662572B (en) | 2021-08-20 | 2021-08-20 | X-ray bone mineral density detector |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101567501B1 (en) * | 2015-06-09 | 2015-11-11 | 한승무 | Bone densitometer with dual energy X-ray absorptiometry type |
| CN107822651A (en) * | 2017-12-11 | 2018-03-23 | 谢博 | A kind of x-ray borne densitometers with full angle detection function |
| CN209951284U (en) * | 2019-04-23 | 2020-01-17 | 孙鑫 | CT inspection device |
| CN211355546U (en) * | 2019-10-25 | 2020-08-28 | 史继峰 | Computer X-ray tomography imaging machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1347309A3 (en) * | 2002-03-20 | 2012-04-18 | Hitachi, Ltd. | Radiological imaging apparatus and method |
| JP4114467B2 (en) * | 2002-12-04 | 2008-07-09 | 株式会社島津製作所 | X-ray CT system |
| CN209248033U (en) * | 2018-12-29 | 2019-08-13 | 中国科学院重庆绿色智能技术研究院 | A kind of safety check X-ray machine |
| CN111528886A (en) * | 2020-04-16 | 2020-08-14 | 江毅 | Medical X-ray CT device with radiation detector |
-
2021
- 2021-08-20 CN CN202110957311.7A patent/CN113662572B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101567501B1 (en) * | 2015-06-09 | 2015-11-11 | 한승무 | Bone densitometer with dual energy X-ray absorptiometry type |
| CN107822651A (en) * | 2017-12-11 | 2018-03-23 | 谢博 | A kind of x-ray borne densitometers with full angle detection function |
| CN209951284U (en) * | 2019-04-23 | 2020-01-17 | 孙鑫 | CT inspection device |
| CN211355546U (en) * | 2019-10-25 | 2020-08-28 | 史继峰 | Computer X-ray tomography imaging machine |
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| CN113662572A (en) | 2021-11-19 |
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