CN112674788A - Head fixing device for tumor radiology department - Google Patents
Head fixing device for tumor radiology department Download PDFInfo
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- CN112674788A CN112674788A CN202110027010.4A CN202110027010A CN112674788A CN 112674788 A CN112674788 A CN 112674788A CN 202110027010 A CN202110027010 A CN 202110027010A CN 112674788 A CN112674788 A CN 112674788A
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- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 37
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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Abstract
The invention discloses a head fixing device for a tumor radiology department, relates to the technical field of medical instruments, and solves the problems that the existing head fixing device generally fixes the head in a clamping mode, a clamping piece is large in size, medical examination is influenced, meanwhile, the clamping device cannot be adjusted, when the head types of patients are different, the fixing effect is sometimes not ideal, the positioning effect is not good, and the clamping operation is troublesome; the lower part of the inner side of the mounting base is rotatably connected with a group of clamping operation pieces; the upper part of the inner side of the mounting base is rotatably connected with a group of adjusting operation pieces. The adjustable head type fixing device can meet the fixing requirements of head types with different sizes, improves the positioning and fixing effects through three-point support of the three groups of clamping seats, has good adaptability, can adjust two sides, is convenient for the operation of medical staff, can complete the adjustment of two sides through one-time operation, is simple in adjustment operation, has small size and cannot cause blockage to the examination.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a head fixing device for a tumor radiology department.
Background
The radiology department is an important auxiliary examination department of a hospital, in the construction of modern hospitals, the radiology department is a department integrating examination, diagnosis and treatment, many diseases of various clinical departments need to be clearly diagnosed and diagnosed through radiology department equipment examination, tumors need to be examined and diagnosed frequently in tumor treatment, when heads are examined and diagnosed, the heads need to be fixed, and generally a head fixing device needs to be used for fixing.
For example, application No.: CN201210546883.7 the present invention discloses a medical head holder, which is composed of a bottom plate, two side plates, two sliding plates and two insertion plates. The middle part of the bottom plate is provided with a pillow, the two sides of the pillow are symmetrically provided with transverse sliding grooves, and the side walls of the transverse sliding grooves are provided with transverse toothed plates. The bottom of the sliding plate is provided with a slideway, and the slideway is inserted into the transverse sliding groove. The side edge part of the sliding plate surface close to the pillow is provided with a longitudinal sliding chute, and the middle part of the sliding plate is provided with a jack. The bottom of the side plate is provided with a sliding block which is inserted into the longitudinal sliding groove, and the outer side of the side plate is provided with a longitudinal toothed plate. The lower part of the inserting plate is provided with a plug, the side surface of the plug is provided with a side toothed plate, and the inner side of the inserting plate is provided with an inner toothed plate. The plugs of the two plug boards are correspondingly inserted into the jacks of the two sliding boards, and the longitudinal and transverse positions of the side boards are clamped. And pulling out the plug board, naturally releasing the buckle of the side board, and detaching the sliding board and the side board from the bottom board. The invention has simple structure, quick and flexible clamping when in use, and can adjust the position forwards and backwards.
Based on the above, the existing head fixing device generally fixes the head in a clamping manner, the clamping piece has a large volume, medical examination is affected, and meanwhile, the clamping device cannot be adjusted, when the head types of each patient are different, the fixing effect is sometimes not ideal, the positioning effect is not good, and the clamping operation is troublesome; thus, the existing needs are not met, and a head fixing device for tumor radiology department is provided for the head fixing device.
Disclosure of Invention
The invention aims to provide a head fixing device for an oncology radiology department, which solves the problems that the existing head fixing device proposed in the background technology generally fixes the head in a clamping mode, the clamping piece is large in size, medical examination is influenced, meanwhile, the clamping device cannot be adjusted, when the head types of patients are different, the fixing effect is not ideal sometimes, the positioning effect is not good, and the clamping operation is troublesome.
In order to achieve the purpose, the invention provides the following technical scheme: a head fixing device for tumor radiology department comprises a mounting base; the lower part of the inner side of the mounting base is rotatably connected with a group of clamping operation pieces; the upper part of the inner side of the mounting base is rotatably connected with a group of adjusting operation pieces; the top of the mounting base is connected with two groups of sliding brackets in a sliding manner; the upper part of the sliding support is rotatably connected with a group of adjusting and driving screw rods; and three groups of adjusting driving swing rods are hinged to the outer side circumference array of the sliding support.
Preferably, the sliding support further comprises a sliding guide groove, a group of sliding guide grooves are formed in the front and the rear of the lower portion of the sliding support, and the sliding support is connected with the mounting base in a sliding mode through the sliding guide grooves.
Preferably, the clamping operation part further comprises a clamping driving screw rod, the left side and the right side of the clamping operation part are both coaxially and fixedly connected with a group of clamping driving screw rods, the two groups of clamping driving screw rods have the same screw pitch and opposite rotation directions, and the clamping driving screw rods are meshed with the sliding support to jointly form a screw rod nut transmission pair.
Preferably, the adjusting operation part further comprises an adjusting spline shaft and an adjusting drive sprocket, the left side and the right side of the adjusting operation part are fixedly connected with a group of adjusting spline shafts coaxially, and each group of adjusting spline shafts are connected with a group of adjusting drive sprockets in a sliding mode.
Preferably, adjust the drive lead screw still including adjusting driven sprocket, adjust the coaxial fixedly connected with in the outside of drive lead screw and adjust a set of regulation driven sprocket, adjust driven sprocket and adjust and be connected through the drive chain transmission between the drive sprocket, adjust driven sprocket and adjust and constitute drive chain drive mechanism jointly between the drive sprocket.
Preferably, the adjusting driving screw further comprises an adjusting sliding block, the inner side of the adjusting driving screw is in threaded transmission connection with a group of adjusting sliding blocks, the adjusting sliding blocks are in sliding connection with the sliding support, and the adjusting driving screw and the adjusting sliding blocks jointly form a screw nut transmission pair.
Preferably, the adjusting and driving screw rod further comprises an adjusting and swinging connecting rod, the outer side circumference array of the adjusting sliding block is hinged with three groups of adjusting and swinging connecting rods, the other end of each adjusting and swinging connecting rod is hinged with the middle of the adjusting and driving swinging rod, and the adjusting and driving screw rod, the adjusting and swinging connecting rod, the adjusting and driving swinging rod and the sliding support form a crank-slider transmission mechanism together.
Preferably, the adjusting and driving swing rod further comprises a clamping seat, and the top of the inner side of the adjusting and driving swing rod is connected with a group of clamping seats in a sliding mode through a spherical surface.
Preferably, the clamping operation part further comprises a clamping operation handle, a group of clamping operation handles are fixedly connected to the left side and the right side of the clamping operation part in a coaxial mode, the adjusting operation part further comprises an adjusting operation handle, and a group of adjusting operation handles are fixedly connected to the left end and the right end of the adjusting operation part in a coaxial mode.
Compared with the prior art, the invention has the beneficial effects that:
when the clamp driving device is used, when the clamp operating part is rotated, the clamp operating part drives the two groups of sliding supports to simultaneously slide left and right in opposite directions through the screw nut transmission pair formed by the engagement of the clamp driving screw and the sliding supports, so that the centering performance of the head of a patient is guaranteed while the head of the patient is clamped, and the positioning effect is guaranteed.
When the adjustable head clamp is used, when the adjusting operating part is rotated, the adjusting operating part drives the adjusting driving chain wheel to rotate through the adjusting spline shaft, the adjusting driving chain wheel drives the adjusting driving screw rod to rotate through a transmission chain transmission mechanism formed by the adjusting driven chain wheel and the adjusting driving chain wheel together, the adjusting driving screw rod drives the adjusting sliding block to slide left and right through a screw rod nut transmission pair formed by the adjusting driving screw rod and the adjusting sliding block together, the adjusting sliding block drives the adjusting driving swinging rod to swing through a crank block transmission mechanism formed by the adjusting driving screw rod, the adjusting swinging connecting rod, the adjusting driving swinging rod and the sliding support together, the distance between the clamping seats is adjusted, the fixing requirements of head types with different sizes are met, meanwhile, the positioning and fixing effects are improved through three-point support of the three groups of clamping seats, and the adjustable head clamp has good adaptability.
When the medical clamp is used, the clamping operation part is operated by the clamping operation handles at the two ends, and the adjusting operation part is operated by the adjusting operation handles at the two ends of the adjusting operation part, so that the medical clamp is convenient to operate on any side of a medical worker, and the medical worker can conveniently operate the medical clamp.
The head-clamping device provided by the invention can clamp the head of a patient, simultaneously ensure the centering property of the head of the patient, ensure the positioning effect, and can meet the fixing requirements of head shapes with different sizes, and meanwhile, the positioning and fixing effects are improved through three-point support of three groups of clamping seats, so that the head-clamping device has good adaptability, both sides can be adjusted, the operation of medical staff is facilitated, the adjustment of both sides can be completed through one-time operation, the adjustment operation is simple, the size is small, and the checking cannot be blocked.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic side view of the shaft with the base removed according to the present invention;
FIG. 3 is a schematic side view of the adjustable drive shaft of the present invention;
FIG. 4 is a schematic side view of the adjusting drive screw shaft of the present invention;
FIG. 5 is a schematic side view of the adjusting drive oscillating rod of the present invention;
FIG. 6 is a schematic side view of the drive shaft of the adjustable drive swing lever of the present invention;
FIG. 7 is a schematic side view of the clamping operator drive shaft of the present invention;
in the figure: 1. installing a base; 2. a clamping operation member; 201. clamping the driving screw; 202. clamping the operating handle; 3. an adjustment operator; 301. adjusting the spline shaft; 302. adjusting the drive sprocket; 303. adjusting the operating handle; 4. a sliding support; 401. a sliding guide groove; 5. adjusting the driving screw; 501. adjusting the driven sprocket; 502. adjusting the sliding block; 503. adjusting the swing connecting rod; 6. adjusting the drive swing lever; 601. and (4) clamping seats.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 7, an embodiment of the present invention includes: a head fixing device for tumor radiology department comprises a mounting base 1; the lower part of the inner side of the mounting base 1 is rotatably connected with a group of clamping operation pieces 2; the upper part of the inner side of the mounting base 1 is rotatably connected with a group of adjusting operation pieces 3; the top of the mounting base 1 is connected with two groups of sliding brackets 4 in a sliding manner; the upper part of the sliding support 4 is rotatably connected with a group of adjusting and driving screw rods 5; three groups of adjusting driving swing rods 6 are hinged with the outer circumferential array of the sliding support 4.
Further, the sliding support 4 further comprises a sliding guide groove 401, a group of sliding guide grooves 401 are formed in the front and the rear of the lower portion of the sliding support 4, the sliding support 4 is connected with the installation base 1 in a sliding mode through the sliding guide groove 401, and in use, the sliding support 4 is guided through the sliding guide groove 401.
Further, the clamping operation part 2 further comprises a clamping driving lead screw 201, a group of clamping driving lead screws 201 are coaxially and fixedly connected to the left side and the right side of the clamping operation part 2, the two groups of clamping driving lead screws 201 are identical in thread pitch and opposite in turning direction, the clamping driving lead screws 201 and the sliding supports 4 are meshed to form a lead screw nut transmission pair together, and when the clamping operation part 2 is rotated, the clamping operation part 2 drives the two groups of sliding supports 4 to slide left and right reversely at the same time through the lead screw nut transmission pair formed by the clamping driving lead screws 201 and the sliding supports 4 in a meshed mode.
Further, the adjusting operation member 3 further comprises an adjusting spline shaft 301 and an adjusting driving chain wheel 302, the left side and the right side of the adjusting operation member 3 are coaxially and fixedly connected with a group of adjusting spline shafts 301, each group of adjusting spline shafts 301 are connected with a group of adjusting driving chain wheels 302 in a sliding mode, in use, transmission between the adjusting driving chain wheels 302 is achieved through the adjusting spline shafts 301, and meanwhile, the left side and the right side of the adjusting driving chain wheels 302 slide.
Further, the adjusting driving screw 5 further comprises an adjusting driven chain wheel 501, a group of adjusting driven chain wheels 501 is coaxially and fixedly connected to the outer side of the adjusting driving screw 5, the adjusting driven chain wheels 501 are in transmission connection with the adjusting driving chain wheel 302 through a transmission chain, a transmission chain transmission mechanism is formed between the adjusting driven chain wheels 501 and the adjusting driving chain wheel 302, in use, when the adjusting operation part 3 is rotated, the adjusting operation part 3 drives the adjusting driving chain wheel 302 to rotate through the adjusting spline shaft 301, and the adjusting driving chain wheel 302 drives the adjusting driving screw 5 to rotate through the transmission chain transmission mechanism formed between the adjusting driven chain wheels 501 and the adjusting driving chain wheel 302.
Further, the adjusting driving screw 5 further comprises an adjusting sliding block 502, the inner side of the adjusting driving screw 5 is in threaded transmission connection with a group of adjusting sliding blocks 502, the adjusting sliding blocks 502 are in sliding connection with the sliding support 4, the adjusting driving screw 5 and the adjusting sliding blocks 502 jointly form a screw nut transmission pair, and when the adjusting driving screw 5 rotates in use, the adjusting driving screw 5 drives the adjusting sliding blocks 502 to slide left and right through the screw nut transmission pair formed by the adjusting driving screw 5 and the adjusting sliding blocks 502 jointly.
Further, the adjusting driving screw 5 further comprises an adjusting swing connecting rod 503, three groups of adjusting swing connecting rods 503 are hinged to the outer side of the adjusting sliding block 502 in a circumferential array arrangement, the other end of each adjusting swing connecting rod 503 is hinged to the middle of the adjusting driving swing rod 6, a crank sliding block transmission mechanism is formed by the adjusting driving screw 5, the adjusting swing connecting rod 503, the adjusting driving swing rod 6 and the sliding support 4, and when the adjusting sliding block 502 slides left and right in use, the adjusting sliding block 502 drives the adjusting driving swing rod 6 to swing through a crank sliding block transmission mechanism formed by the adjusting driving screw 5, the adjusting swing connecting rod 503, the adjusting driving swing rod 6 and the sliding support 4.
Furthermore, the adjusting and driving swing rod 6 further comprises a clamping seat 601, the top of the inner side of the adjusting and driving swing rod 6 is connected with a group of clamping seats 601 through a spherical surface in a sliding mode, in use, the head of a patient is fixed through the contact between the clamping seats 601 and the head of the patient, and the positioning and fixing effects are improved through three-point support of the three groups of clamping seats 601.
Further, press from both sides tight operating parts 2 still including pressing from both sides tight operating handle 202, press from both sides a set of tight operating handle 202 of the equal coaxial fixedly connected with in the left and right sides of tight operating parts 2, adjust operating parts 3 still including adjusting operating handle 303, adjust the equal coaxial fixedly connected with in the left and right sides of operating parts 3 and adjust operating handle 303 of a set of, in use, press from both sides tight operating handle 202 through both ends and operate tight operating parts 2, adjust operating parts 3 through the regulation operating handle 303 of adjusting operating parts 3 both ends and operate, guarantee that it is all more convenient regardless of which side operation of medical staff.
The working principle is as follows: when the clamping device is used, when the clamping operation piece 2 is rotated, the clamping operation piece 2 drives the two groups of sliding supports 4 to simultaneously slide left and right in opposite directions through a screw nut transmission pair formed by the engagement of the clamping driving screw 201 and the sliding supports 4; when the adjusting operation member 3 is rotated, the adjusting operation member 3 drives the adjusting driving chain wheel 302 to rotate through the adjusting spline shaft 301, the adjusting driving chain wheel 302 drives the adjusting driving screw 5 to rotate through a transmission chain transmission mechanism formed by the adjusting driven chain wheel 501 and the adjusting driving chain wheel 302 together, the adjusting driving screw 5 drives the adjusting sliding block 502 to slide left and right through a screw nut transmission pair formed by the adjusting driving screw 5 and the adjusting sliding block 502 together, the adjusting sliding block 502 drives the adjusting driving swing rod 6 to swing through a crank block transmission mechanism formed by the adjusting driving screw 5, the adjusting swing connecting rod 503, the adjusting driving swing rod 6 and the sliding support 4 together, and the distance between the clamping seats 601 is adjusted, the fixing requirements of head shapes with different sizes are met, and meanwhile, the positioning and fixing effects are improved through three-point support of the three groups of clamping seats 601; the clamping operation piece 2 is operated through the clamping operation handles 202 at the two ends, and the adjusting operation piece 3 is operated through the adjusting operation handles 303 at the two ends of the adjusting operation piece 3, so that convenience is guaranteed for operation on any side of medical staff.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A head fixing device for an oncology radiology department is characterized in that: comprises a mounting base (1); the lower part of the inner side of the mounting base (1) is rotatably connected with a group of clamping operation pieces (2); the upper part of the inner side of the mounting base (1) is rotatably connected with a group of adjusting operation pieces (3); the top of the mounting base (1) is connected with two groups of sliding brackets (4) in a sliding manner; the upper part of the sliding support (4) is rotatably connected with a group of adjusting and driving screw rods (5); and three groups of adjusting driving swing rods (6) are hinged to the outer side circumference array of the sliding support (4).
2. The head fixation device for tumor radiology department according to claim 1, wherein: sliding support (4) still including sliding guide groove (401), a set of sliding guide groove (401) have all been seted up around sliding support's (4) lower part, sliding support (4) are through sliding guide groove (401) and installation base (1) sliding connection.
3. The head fixation device for tumor radiology department according to claim 1, wherein: the clamping operation piece (2) further comprises a clamping driving lead screw (201), the left side and the right side of the clamping operation piece (2) are fixedly connected with a group of clamping driving lead screws (201) coaxially, the two groups of clamping driving lead screws (201) are identical in thread pitch and opposite in rotating direction, and the clamping driving lead screws (201) are meshed with the sliding support (4) to form a lead screw nut transmission pair together.
4. The head fixation device for tumor radiology department according to claim 1, wherein: the adjusting operation piece (3) further comprises an adjusting spline shaft (301) and an adjusting drive chain wheel (302), the left side and the right side of the adjusting operation piece (3) are fixedly connected with a group of adjusting spline shafts (301) in a coaxial mode, and each group of adjusting spline shafts (301) are connected with a group of adjusting drive chain wheels (302) in a sliding mode.
5. The head fixation device for tumor radiology department according to claim 1, wherein: the adjusting driving screw rod (5) further comprises an adjusting driven chain wheel (501), a group of adjusting driven chain wheels (501) are fixedly connected to the outer side of the adjusting driving screw rod (5) in a coaxial mode, the adjusting driven chain wheels (501) are connected with the adjusting driving chain wheels (302) in a transmission mode through transmission chains, and a transmission chain transmission mechanism is formed between the adjusting driven chain wheels (501) and the adjusting driving chain wheels (302).
6. The head fixation device for tumor radiology department according to claim 1, wherein: the adjusting and driving screw rod (5) further comprises an adjusting sliding block (502), the inner side of the adjusting and driving screw rod (5) is in threaded transmission connection with the group of adjusting sliding blocks (502), the adjusting sliding blocks (502) are in sliding connection with the sliding support (4), and the adjusting and driving screw rod (5) and the adjusting sliding blocks (502) jointly form a screw nut transmission pair.
7. The head fixation device for tumor radiology department according to claim 1, wherein: the adjusting and driving screw rod (5) further comprises adjusting and swinging connecting rods (503), the outer side circumference array of the adjusting sliding blocks (502) is connected with three groups of adjusting and swinging connecting rods (503) in a hinged mode, the other ends of the adjusting and swinging connecting rods (503) are connected with the middle portion of the adjusting and driving swinging rod (6) in a hinged mode, and a crank sliding block transmission mechanism is formed among the adjusting and driving screw rod (5), the adjusting and swinging connecting rods (503), the adjusting and driving swinging rod (6) and the sliding support (4) together.
8. The head fixation device for tumor radiology department according to claim 1, wherein: the adjusting and driving swing rod (6) further comprises a clamping seat (601), and the top of the inner side of the adjusting and driving swing rod (6) is connected with a group of clamping seats (601) through a spherical surface in a sliding mode.
9. The head fixation device for tumor radiology department according to claim 1, wherein: the clamping operation part (2) further comprises a clamping operation handle (202), a group of clamping operation handles (202) are fixedly connected with the left side and the right side of the clamping operation part (2) in a coaxial mode, the adjusting operation part (3) further comprises an adjusting operation handle (303), and a group of adjusting operation handles (303) are fixedly connected with the left end and the right end of the adjusting operation part (3) in a coaxial mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110027010.4A CN112674788A (en) | 2021-01-09 | 2021-01-09 | Head fixing device for tumor radiology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110027010.4A CN112674788A (en) | 2021-01-09 | 2021-01-09 | Head fixing device for tumor radiology department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112674788A true CN112674788A (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110027010.4A Withdrawn CN112674788A (en) | 2021-01-09 | 2021-01-09 | Head fixing device for tumor radiology department |
Country Status (1)
| Country | Link |
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| CN (1) | CN112674788A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113155540A (en) * | 2021-05-10 | 2021-07-23 | 十堰市人民医院（湖北医药学院附属人民医院） | Vomitus divides chamber sampling device based on gastroenterology nursing |
| CN114453166A (en) * | 2022-01-14 | 2022-05-10 | 宁波市欣磊金属制品有限公司 | Automatic piece equipment of getting of spraying |
| CN114986219A (en) * | 2022-06-27 | 2022-09-02 | 季轶寅 | Multidirectional slotted hole processing equipment for processing steel structural part |
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| US20130190604A1 (en) * | 2012-01-16 | 2013-07-25 | Imris Inc. | Drive System for a Head Clamp for Use in Imaging by Magnetic Resonance and X-Ray |
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| CN210019386U (en) * | 2019-03-05 | 2020-02-07 | 巩磊 | Head supporting device for medical radiology department |
| CN111803808A (en) * | 2020-07-22 | 2020-10-23 | 南华大学 | Radiotherapy positioner of nasopharyngeal carcinoma tumour |
| CN111870469A (en) * | 2020-08-03 | 2020-11-03 | 安徽医科大学第一附属医院 | Accurate positioner of ordinary surgery operation |
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| US20130190604A1 (en) * | 2012-01-16 | 2013-07-25 | Imris Inc. | Drive System for a Head Clamp for Use in Imaging by Magnetic Resonance and X-Ray |
| CN203662793U (en) * | 2013-12-24 | 2014-06-25 | 杭州美诺瓦医疗科技有限公司 | Automatic head locating device of X-ray oral cavity camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113155540A (en) * | 2021-05-10 | 2021-07-23 | 十堰市人民医院（湖北医药学院附属人民医院） | Vomitus divides chamber sampling device based on gastroenterology nursing |
| CN114453166A (en) * | 2022-01-14 | 2022-05-10 | 宁波市欣磊金属制品有限公司 | Automatic piece equipment of getting of spraying |
| CN114986219A (en) * | 2022-06-27 | 2022-09-02 | 季轶寅 | Multidirectional slotted hole processing equipment for processing steel structural part |
| CN114986219B (en) * | 2022-06-27 | 2024-02-20 | 衡东军杰机械制造有限公司 | Multidirectional slot machining equipment for machining steel structural part |
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Application publication date: 20210420 |
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