CN113100807B - Angiography device and method - Google Patents
Angiography device and method Download PDFInfo
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- CN113100807B CN113100807B CN202110335471.8A CN202110335471A CN113100807B CN 113100807 B CN113100807 B CN 113100807B CN 202110335471 A CN202110335471 A CN 202110335471A CN 113100807 B CN113100807 B CN 113100807B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000002583 angiography Methods 0.000 title abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims description 28
- 238000002601 radiography Methods 0.000 claims description 13
- 210000003128 head Anatomy 0.000 description 21
- 230000008901 benefit Effects 0.000 description 4
- 230000002526 effect on cardiovascular system Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 208000024172 Cardiovascular disease Diseases 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000002585 cerebral angiography Methods 0.000 description 2
- 208000026106 cerebrovascular disease Diseases 0.000 description 2
- 210000001061 forehead Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- A61B6/04—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
- A61B6/50—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
- A61B6/504—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 blood vessels, e.g. by angiography
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- Radiology & Medical Imaging (AREA)
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- Oral & Maxillofacial Surgery (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention relates to an angiography device and a method, wherein a headrest is detachably arranged on a bed body, a locking mechanism is arranged between the bed body and the headrest, the right end of a fixing belt is wound on a winding wheel, a torsion spring for winding the fixing belt by the winding wheel is connected between a mounting shaft and the side wall of a mounting cavity, a ratchet wheel is coaxially and fixedly arranged on the mounting shaft, a first spring is connected between the upper end of a movable column and a pawl, a second spring is connected between the baffle and the top wall of an auxiliary cavity, and a linkage mechanism for driving a pressing column to move up and down is arranged in a positioning groove; the headrest and the bed body are detachable, the headrest is fixed on the head of a patient, and after the position of the headrest is adjusted to enable the patient to feel comfortable, the headrest and the bed body are fixed, so that the headrest is convenient to fix and high in comfort level; the shifting handle is shifted to drive the bolt to separate from the jack, so that the restriction on the plug can be removed, and then the headrest and the bed body can be immediately separated, thereby removing the fixation on the head of the patient.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to an angiography device and method.
Background
Cardiovascular and cerebrovascular diseases are frequently found in middle-aged and elderly people, have higher morbidity, mortality and disability rate, and along with the acceleration of social aging, the cardiovascular and cerebrovascular diseases become the first killer threatening human health, and the cardiovascular and cerebrovascular angiography examination is widely applied to clinical practice due to the technical characteristics of small wound, rapid detection and relatively obvious result.
When a patient is subjected to cerebral angiography, the patient needs to lie on a radiography bed, the head is fixed, and for the patient with tension emotion or overlong radiography time, the patient is easy to relax vigilance, and the discomfort is relieved by changing the position of the head, so that the cerebral angiography effect is influenced, the calculation is error, the examination time is prolonged, inconvenience is brought to medical staff, and the head of the patient needs to be fixed through a specific device.
However, the fixing device in the prior art is generally arranged on the radiography bed, is not very convenient for fixing the patient, has complicated fixing mode, and can not quickly release the fixing of the patient when accidents occur.
Disclosure of Invention
The invention aims to solve the technical problems of providing an angiography device and an angiography method, which are convenient for fixing the head of a patient and can rapidly release the fixing of the patient so as to solve the problems in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: an angiography device comprises a bed body, wherein a headrest is detachably arranged on the bed body, a positioning groove matched with the headrest is formed in the bed body, and a locking mechanism is arranged between the bed body and the headrest; the headrest is characterized in that two groups of fixing mechanisms are oppositely arranged up and down, each fixing mechanism comprises a fixing belt, the left end of each fixing belt is fixedly connected to the left end of the headrest, an installation cavity is formed in the right end of each headrest, an installation shaft extending forwards and backwards is rotatably installed in each installation cavity, a winding wheel is coaxially and fixedly installed on each installation shaft, the right end of each fixing belt is wound on each winding wheel, a through hole for the fixing belt to enter the corresponding installation cavity is formed in each headrest, and a torsion spring for enabling the winding wheel to wind the corresponding fixing belt is connected between each installation shaft and the side wall of each installation cavity; the installation shaft is also coaxially and fixedly provided with a ratchet wheel, a pawl matched with the ratchet wheel is rotatably installed in the installation cavity, and the pawl is lapped on the ratchet wheel to limit the winding wheel to release the fixing belt; the ratchet is characterized in that the pawl is located below the ratchet, an auxiliary cavity is formed in the headrest, a through hole which extends upwards and is communicated with the installation cavity is formed in one side of the auxiliary cavity, a movable column is movably installed in the through hole, a first spring is connected between the upper end of the movable column and the pawl, a baffle is fixedly arranged at the lower end of the movable column, a second spring is connected between the baffle and the top wall of the auxiliary cavity, a pressing column is fixedly installed at the bottom of the baffle, a through hole through which the pressing column penetrates out is formed in the headrest, and a linkage mechanism used for driving the pressing column to move up and down is arranged in the positioning groove.
As an optimized technical scheme, the linkage mechanism comprises a sliding cavity positioned in the bed body, and an avoidance hole for the pressing column to enter the sliding cavity is formed in the bottom of the positioning groove; the sliding cavity extends leftwards and rightwards, a sliding block is slidably arranged in the sliding cavity, a third spring is connected between the right end of the sliding block and the side wall of the sliding cavity, and when the sliding block moves to the left end of the sliding cavity, the sliding block seals the lower end of the avoidance hole; the top of the left end of the sliding block is provided with a groove, and the right end of the groove is provided with a first inclined plane which is connected with the bottom of the groove and the top of the sliding block; the right end of the sliding block is fixedly provided with a pull rod extending rightward, and the bed body is provided with a guide hole for the pull rod to penetrate out.
As the preferred technical scheme, locking mechanism includes fixed mounting be in the inserted block of headrest bottom, be equipped with in the constant head tank with inserted block assorted slot, be equipped with in the bed body about the extension slide chamber, slide chamber's right-hand member with the slot is linked together, sliding mounting has the bolt in the slide chamber, be equipped with on the inserted block with bolt assorted jack, the left end of bolt with be connected with the fourth spring between the lateral wall in slide chamber, the bottom fixed mounting of bolt has the driving lever, the bottom of the bed body with the corresponding department in driving lever position is equipped with rectangular hole, the driving lever is followed rectangular hole wears out to the outside of the bed body and can follow rectangular hole removes.
As a further improvement, one end of the mounting shaft extends to the outside of the headrest and is fixedly provided with a knob.
As a further improvement, an arc-shaped groove is arranged in the middle of the headrest.
As a further improvement, the top of the right end of the bolt is provided with a second inclined plane.
An angiographic method utilizing said angiographic device, the method comprising the steps of:
s1, fixing the headrest on the head of a patient;
s2, fixing the headrest on the bed body;
s3, carrying out radiography on a patient through a radiography machine;
s4, separating the headrest from the bed body after radiography is completed;
s5, the headrest is removed from the head of the patient.
Due to the adoption of the technical scheme, the angiography device is characterized in that a headrest is detachably arranged on the bed body, the right end of the fixed belt is wound on the winding wheel, a torsion spring for enabling the winding wheel to wind the fixed belt is connected between the mounting shaft and the side wall of the mounting cavity, a ratchet wheel is coaxially and fixedly arranged on the mounting shaft, a first spring is connected between the upper end of the movable column and the pawl, and a second spring is connected between the baffle and the top wall of the auxiliary cavity;
the headrest is detachable from the bed body, and when the headrest is used, the headrest is firstly fixed on the head of a patient, and after the position of the headrest is adjusted to enable the patient to feel comfortable, the headrest is fixed with the bed body, so that the headrest has the advantages of convenience in fixing and high comfort level;
the invention can remove the limit of the plug block by pulling the shifting handle to drive the plug pin to separate from the jack, and then immediately separate the headrest from the bed body, thereby removing the fixation of the head of the patient, and having the advantages of flexible use and high safety;
when the headrest and the bed body are in a separated state, the headrest is fixed on the head of a patient by the two fixing belts tightly by means of the elasticity of the torsion spring, and the headrest is clamped into the positioning groove of the bed body, the pressing column is pushed by the sliding block to move upwards, so that the pawl is elastically attached to the ratchet wheel to avoid loosening of the fixing belts, and therefore, after the headrest is separated from the bed body, the headrest can be immediately taken down from the head of the patient, and the headrest has the advantage of convenience in operation.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a headrest according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of C-C in FIG. 2;
FIG. 4 is an enlarged view of a portion I of FIG. 3;
FIG. 5 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 6 is a schematic view of an embodiment of the present invention with a groove moving below a relief hole;
FIG. 7 is a schematic cross-sectional view of B-B in FIG. 1;
fig. 8 is a flow chart of an angiography method according to an embodiment of the invention.
In the figure: 1-a bed body; 2-a headrest; 3-positioning grooves; 4-fixing bands; 5-a mounting cavity; 6-mounting a shaft; 7-a winding wheel; 8-opening; 9-torsion springs; 10-ratchet wheel; 11-pawl; 12-auxiliary lumen; 13-through holes; 14-a movable column; 15-a first spring; 16-baffle; 17-a second spring; 18-pressing the column; 19-via holes; 20-sliding cavity; 21-avoiding holes; 22-slide block; 23-a third spring; 24-groove; 25-a first incline; 26-a pull rod; 27-a guide hole; 28-plug blocks; 29-slots; 30-sliding chamber; 31-a bolt; 32-jacks; 33-fourth springs; 34-a shifter handle; 35-an elongated hole; 36-knob; 37-arc grooves; 38-a second ramp.
Detailed Description
As shown in fig. 1 to 8, an angiography device comprises a bed body 1, wherein a headrest 2 is detachably arranged on the bed body 1, a positioning groove 3 matched with the headrest 2 is arranged on the bed body 1, and a locking mechanism is arranged between the bed body 1 and the headrest 2; the headrest 2 is provided with two groups of fixing mechanisms vertically and oppositely, the fixing mechanisms comprise fixing belts 4, the left ends of the fixing belts 4 are fixedly connected to the left ends of the headrest 2, an installation cavity 5 is formed in the right ends of the headrest 2, an installation shaft 6 extending forwards and backwards is rotatably installed in the installation cavity 5, a winding wheel 7 is coaxially and fixedly installed on the installation shaft 6, the right ends of the fixing belts 4 are wound on the winding wheel 7, a through hole 8 for the fixing belts 4 to enter the installation cavity 5 is formed in the headrest 2, and a torsion spring 9 for enabling the winding wheel 7 to wind the fixing belts is connected between the installation shaft 6 and the side wall of the installation cavity 5; a ratchet wheel 10 is coaxially and fixedly arranged on the mounting shaft 6, a pawl 11 matched with the ratchet wheel 10 is rotatably arranged in the mounting cavity 5, and the pawl 11 is lapped on the ratchet wheel 10 to limit the winding wheel 7 to release the fixed belt 4; the ratchet wheel is characterized in that the pawl 11 is located below the ratchet wheel 10, an auxiliary cavity 12 is arranged in the headrest 2, a through hole 13 which extends upwards and is communicated with the installation cavity 5 is formed in one side of the auxiliary cavity 12, a movable column 14 is movably installed in the through hole 13, a first spring 15 is connected between the upper end of the movable column 14 and the pawl 11, a baffle 16 is fixedly installed at the lower end of the movable column 14, a second spring 17 is connected between the baffle 16 and the top wall of the auxiliary cavity 12, a pressing column 18 is fixedly installed at the bottom of the baffle 16, a through hole 19 through which the pressing column 18 penetrates is formed in the headrest 2, and a linkage mechanism used for driving the pressing column 18 to move up and down is arranged in the positioning groove 3.
The headrest 2 is detachable from the bed body 1, when the multifunctional headrest is used, the headrest 2 is firstly fixed on the head of a patient, the headrest 2 is adjusted until the patient feels comfortable, then the patient lies on the bed body 1, the headrest 2 is clamped into the positioning groove 3 of the bed body 1, and the headrest 2 is fixed with the bed body 1 through the locking mechanism, so that the headrest 2 can not be separated from the bed body 1, the head of the patient is fixed, the fixation is more convenient, and the comfort of the patient is improved.
As shown in fig. 3 and 4, when the headrest 2 and the bed 1 are in the separated state, the elastic force of the second spring 17 pushes the baffle 16 to move down to the bottom of the auxiliary chamber 12, at this time, the pressing post 18 is exposed outside the headrest 2, and the movable post 14 pulls the pawl 11 to be separated from the ratchet 10 by the first spring 15, so that the winding wheel 7 can release the fixing strap 4. The two fixing belts 4 on the headrest 2 are respectively used for fixing the forehead and the chin of a patient, when the headrest is used, the fixing belts 4 are pulled to drive the winding wheel 7 to rotate clockwise to release the fixing belts 4, the winding wheel 7 drives the mounting shaft 6 and the ratchet wheel 10 to rotate clockwise and tighten the torsion springs 9, the fixing belts 4 exposed outside the headrest 2 are prolonged after the winding wheel 7 releases the fixing belts 4, then the headrest is leaned against the back of the head of the patient, the two fixing belts 4 are respectively sleeved on the forehead and the chin of the patient, after the fixing belts 4 are loosened, the torsion springs 9 drive the mounting shaft 6 to rotate anticlockwise, so that the winding wheel 7 tightens the fixing belts 4, and the headrest 2 is fixed on the head of the patient by virtue of the elasticity of the torsion springs 9. After the position of the headrest 2 is adjusted to enable a patient to feel comfortable, the patient lies on the bed body 1, the headrest 2 is clamped into the positioning groove 3 of the bed body 1, and the headrest 2 and the bed body 1 are fixed through the locking mechanism.
The linkage mechanism comprises a sliding cavity 20 positioned in the bed body 1, and an avoidance hole 21 for the pressing column 18 to enter the sliding cavity 20 is formed in the bottom of the positioning groove 3; the sliding cavity 20 extends left and right, a sliding block 22 is slidably installed in the sliding cavity 20, a third spring 23 is connected between the right end of the sliding block 22 and the side wall of the sliding cavity 20, and when the sliding block 22 moves to the left end of the sliding cavity 20, the sliding block 22 seals the lower end of the avoidance hole 21; the top of the left end of the sliding block 22 is provided with a groove 24, and the right end of the groove 24 is provided with a first inclined plane 25 which connects the bottom of the groove 24 and the top of the sliding block 22; a pull rod 26 extending rightward is fixedly arranged at the right end of the sliding block 22, and a guide hole 27 for the pull rod 26 to penetrate out is arranged on the bed body 1.
As shown in fig. 5, in the initial state, the slider 22 is moved to the left end of the slide chamber 20 by the elastic force of the third spring 23, and the slider 22 closes the lower end of the escape hole 21. After the headrest 2 is clamped into the positioning groove 3 of the bed body 1, the headrest 2 drives the pressing column 18 to enter the avoidance hole 21, the pressing column 18 cannot move downwards continuously and enter the sliding cavity 20 due to the blocking effect of the sliding block 22, so that the pressing column 18 is pushed to move upwards through the sliding block 22, the pressing column 18 drives the baffle 16 to move upwards and compress the second spring 17, the baffle 16 drives the movable column 14 to move upwards, the movable column 14 pushes the pawl 11 to rotate upwards through the first spring 15, the pawl 11 is elastically attached to the ratchet wheel 10, and the mounting shaft 6 is limited to rotate clockwise to release the fixed belt 4, so that the fixed belt 4 is prevented from loosening.
In addition, after the headrest 2 is clamped into the positioning groove 3 of the bed body 1, the winding wheel 7 can be driven to further tighten the fixing belt 4 by rotating the mounting shaft 6 anticlockwise, so that the fixing belt 4 is prevented from being too loose. Or the pull rod 26 is pulled to drive the sliding block 22 to move rightwards and compress the third spring 23, so that the groove 24 on the sliding block 22 moves to the lower part of the avoidance hole 21, as shown in fig. 6, the second spring 17 in a compressed state stretches and pushes the baffle 16 to move downwards, the baffle 16 drives the pressing column 18 to enter the sliding cavity 20 downwards, meanwhile, the baffle 16 drives the movable column 14 to move downwards, the movable column 14 pulls the pawl 11 to be separated from the ratchet wheel 10 through the first spring 15, and then the fixed belt 4 is pulled to drive the winding wheel 7 to release the fixed belt 4 and drive the installation shaft 6 to rotate clockwise, so that the overtightening of the fixed belt 4 is avoided; after the adjustment is finished, the pull rod 26 is loosened, the third spring 23 in a compressed state pushes the sliding block 22 to move back to the original position, and the sliding block 22 drives the pressing column 18 to move upwards along the first inclined plane 25 when moving left until the sliding block 22 seals the lower end of the avoiding hole 21 again, and the pawl 11 is elastically attached to the ratchet wheel 10 again.
The locking mechanism comprises an inserting block 28 fixedly installed at the bottom of the headrest 2, a slot 29 matched with the inserting block 28 is arranged in the positioning groove 3, a sliding cavity 30 extending leftwards and rightwards is arranged in the bed body 1, the right end of the sliding cavity 30 is communicated with the slot 29, a plug pin 31 is slidably installed in the sliding cavity 30, an inserting hole 32 matched with the plug pin 31 is arranged on the inserting block 28, a fourth spring 33 is connected between the left end of the plug pin 31 and the side wall of the sliding cavity 30, a shifting handle 34 is fixedly installed at the bottom of the plug pin 31, a strip-shaped hole 35 is formed in the position corresponding to the position of the shifting handle 34 at the bottom of the bed body 1, and the shifting handle 34 penetrates out of the outer side of the bed body 1 from the strip-shaped hole 35 and can move along the strip-shaped hole 35.
When the headrest 2 is clamped into the positioning groove 3 of the bed body 1, the shifter handle 34 is firstly shifted to drive the bolt 31 to move left and compress the fourth spring 33, after the bolt 31 is completely retracted into the sliding cavity 30, the headrest 2 is clamped into the positioning groove 3 and the insert block 28 is inserted into the slot 29, then the shifter handle 34 is released, the fourth spring 33 in a compressed state is stretched and drives the bolt 31 to move right until the bolt 31 is inserted into the jack 32, and the insert block 28 cannot be separated from the slot 29, as shown in fig. 7.
Or when radiography is completed or an accident occurs, the limit on the plug block 28 can be relieved by pulling the shifting handle 34 to drive the plug pin 31 to move left and enabling the plug pin 31 to be separated from the jack 32, and then the headrest 2 can be immediately separated from the bed body 1, so that the fixation of the head of a patient is relieved. After the headrest 2 is separated from the bed body 1, the blocking effect of the sliding block 22 is lost, the baffle 16 is pushed by the elastic force of the second spring 17 to move downwards to the bottom of the auxiliary cavity 12 again, the movable column 14 pulls the pawl 11 to be separated from the ratchet wheel 10 through the first spring 15, so that the winding wheel 7 can release the fixing belts 4, and at the moment, the two fixing belts 4 tightly depend on the elastic force of the torsion spring 9 to fix the headrest 2 on the head of a patient, so that the headrest 2 can be immediately taken down from the head of the patient.
One end of the mounting shaft 6 extends to the outer side of the headrest 2 and is fixedly provided with a knob 36 for facilitating rotation and adjustment of the mounting shaft 6.
The middle part of the headrest 2 is provided with an arc-shaped groove 37 for improving the comfort of the head of the patient.
The top of the right end of the bolt 31 is provided with a second inclined plane 38, and when the headrest 2 is clamped into the positioning groove 3 of the bed body 1, the bolt 31 is retracted into the sliding cavity 30 by pushing the second inclined plane 38 through the insert block 28, so that the headrest 2 is convenient to install.
As shown in fig. 8, an angiographic method using the angiographic apparatus includes the steps of:
s1, fixing the headrest 2 on the head of a patient;
s2, fixing the headrest 2 on the bed body 1;
s3, carrying out radiography on a patient through a radiography machine;
s4, separating the headrest 2 from the bed body 1 after radiography is completed;
s5, the headrest 2 is removed from the head of the patient.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An angiographic apparatus, characterized by: the bed comprises a bed body, wherein a headrest is detachably arranged on the bed body, a positioning groove matched with the headrest is formed in the bed body, and a locking mechanism is arranged between the bed body and the headrest; the headrest is characterized in that two groups of fixing mechanisms are oppositely arranged up and down, each fixing mechanism comprises a fixing belt, the left end of each fixing belt is fixedly connected to the left end of the headrest, an installation cavity is formed in the right end of each headrest, an installation shaft extending forwards and backwards is rotatably installed in each installation cavity, a winding wheel is coaxially and fixedly installed on each installation shaft, the right end of each fixing belt is wound on each winding wheel, a through hole for the fixing belt to enter the corresponding installation cavity is formed in each headrest, and a torsion spring for enabling the winding wheel to wind the corresponding fixing belt is connected between each installation shaft and the side wall of each installation cavity; the installation shaft is also coaxially and fixedly provided with a ratchet wheel, a pawl matched with the ratchet wheel is rotatably installed in the installation cavity, and the pawl is lapped on the ratchet wheel to limit the winding wheel to release the fixing belt; the ratchet is characterized in that the pawl is positioned below the ratchet, an auxiliary cavity is arranged in the headrest, a through hole which extends upwards and is communicated with the mounting cavity is formed in one side of the auxiliary cavity, a movable column is movably mounted in the through hole, a first spring is connected between the upper end of the movable column and the pawl, a baffle is fixedly arranged at the lower end of the movable column, a second spring is connected between the baffle and the top wall of the auxiliary cavity, a pressing column is fixedly mounted at the bottom of the baffle, a through hole through which the pressing column penetrates is formed in the headrest, and a linkage mechanism for driving the pressing column to move up and down is arranged in the positioning groove;
the linkage mechanism comprises a sliding cavity positioned in the bed body, and an avoidance hole for the pressing column to enter the sliding cavity is formed in the bottom of the positioning groove; the sliding cavity extends leftwards and rightwards, a sliding block is slidably arranged in the sliding cavity, a third spring is connected between the right end of the sliding block and the side wall of the sliding cavity, and when the sliding block moves to the left end of the sliding cavity, the sliding block seals the lower end of the avoidance hole; the top of the left end of the sliding block is provided with a groove, and the right end of the groove is provided with a first inclined plane which is connected with the bottom of the groove and the top of the sliding block; a pull rod extending rightward is fixedly arranged at the right end of the sliding block, and a guide hole for the pull rod to penetrate out is formed in the bed body;
the locking mechanism comprises an inserting block fixedly installed at the bottom of the headrest, a slot matched with the inserting block is formed in the positioning groove, a sliding cavity extending leftwards and rightwards is formed in the bed body, the right end of the sliding cavity is communicated with the slot, a plug pin is slidably installed in the sliding cavity, a jack matched with the plug pin is formed in the inserting block, a fourth spring is connected between the left end of the plug pin and the side wall of the sliding cavity, a shifting handle is fixedly installed at the bottom of the plug pin, a strip-shaped hole is formed in the position, corresponding to the shifting handle, of the bottom of the bed body, and the shifting handle penetrates out of the strip-shaped hole to the outer side of the bed body and can move along the strip-shaped hole.
2. An angiographic device according to claim 1, wherein: one end of the mounting shaft extends to the outer side of the headrest and is fixedly provided with a knob.
3. An angiographic device according to claim 1, wherein: the middle part of the headrest is provided with an arc-shaped groove.
4. An angiographic device according to claim 1, wherein: the top of the right end of the bolt is provided with a second inclined plane.
5. An angiographic method using an angiographic device according to any one of claims 1-4, characterized in that the method comprises the steps of:
s1, fixing the headrest on the head of a patient;
s2, fixing the headrest on the bed body;
s3, carrying out radiography on a patient through a radiography machine;
s4, separating the headrest from the bed body after radiography is completed;
s5, the headrest is removed from the head of the patient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110335471.8A CN113100807B (en) | 2021-03-29 | 2021-03-29 | Angiography device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110335471.8A CN113100807B (en) | 2021-03-29 | 2021-03-29 | Angiography device and method |
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| Publication Number | Publication Date |
|---|---|
| CN113100807A CN113100807A (en) | 2021-07-13 |
| CN113100807B true CN113100807B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110335471.8A Active CN113100807B (en) | 2021-03-29 | 2021-03-29 | Angiography device and method |
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| CN (1) | CN113100807B (en) |
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