CN108937936A - Magnetic resonance examination respiratory regulation device - Google Patents
Magnetic resonance examination respiratory regulation device Download PDFInfo
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- CN108937936A CN108937936A CN201810570857.5A CN201810570857A CN108937936A CN 108937936 A CN108937936 A CN 108937936A CN 201810570857 A CN201810570857 A CN 201810570857A CN 108937936 A CN108937936 A CN 108937936A
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- sleeve
- fixedly connected
- cylinder sleeve
- ball
- rack gear
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
- A61H39/04—Devices for pressing such points, e.g. Shiatsu or Acupressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/08—Trunk
- A61H2205/081—Back
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- Life Sciences & Earth Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Rehabilitation Therapy (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Physical Education & Sports Medicine (AREA)
- Pain & Pain Management (AREA)
- Biophysics (AREA)
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- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Magnetic resonance examination respiratory regulation device, including band and cylinder sleeve, resilient bladder is fixedly mounted in side before band, several elastic strip capsules being parallel to each other are fixedly mounted in the other side before band, the upper opening of cylinder sleeve, piston is equipped in cylinder sleeve, the periphery of piston and the inner wall of cylinder sleeve are engaged, piston can be along cylinder sleeve vertical sliding, the upper end of the bottom surface articulated connection connecting rod of piston, the cam for having power device is fixedly mounted in the inner wall back bottom of cylinder sleeve, the lower end of the forward top articulated connection connecting rod of cam, the side of cylinder sleeve is fixedly connected with one end of sleeve, it is communicated inside sleeve and cylinder sleeve.The movement of baffle is realized by mechanical structure, exempt the installation of sleeve internally-powered device, the energy can either be saved, it can also avoid that water-tight device is installed outside power device, structure more simplifies, and components of the present invention are all made of non magnetic material, will not interfere to magnetic field, it will not influence imaging, be suitable for a wide range of promote the use of.
Description
Technical field
The invention belongs to the field of medical instrument technology field, specifically a kind of magnetic resonance examination is filled with respiratory regulation
It sets.
Background technique
Magnetic resonance imaging is in abdomen scanning, often because of stomach wall undulatory motion caused by the abdominal respiration of patient, on MRI image
The fat of high RST and water equivalent tisssues can move with stomach wall generates semilune or streak motion artifacts, and image definition is by shadow
It rings.A kind of magnetic resonance examination respiratory regulation device is described in publication number CN104783797A, subject can be made passively to exhale
It inhales, and timely adjustment respiratory rate and amplitude keep stablizing, and eliminate MR image respiration artefacts, improves image definition, but the knot
It needs to adjust respiratory rate and amplitude by manpower in structure, the physical strength to medical staff is one and greatly challenges, and can not
The frequency that ensures respiration is consistent, is needed before operation by training, larger using limiting；Also occur exhaling for automation in existing structure
Regulating device is inhaled, but it has a single function, and can not alleviate subject's mood, since the magnetic resonance examination time is longer, subject's nerve
It is tight for a long time to be unfavorable for state of an illness rehabilitation.
Summary of the invention
The present invention provides a kind of magnetic resonance examination respiratory regulation device, to solve defect in the prior art.
The present invention is achieved by the following technical programs:
Magnetic resonance examination respiratory regulation device, including band and cylinder sleeve, resilient bladder, beam is fixedly mounted in side before band
Several elastic strip capsules being parallel to each other are fixedly mounted in the other side before band, and the upper opening of cylinder sleeve, cylinder sleeve is interior to be equipped with piston, live
The periphery of plug and the inner wall of cylinder sleeve are engaged, piston can along cylinder sleeve vertical sliding, the bottom surface articulated connection connecting rod of piston
The cam for having power device, the forward top articulated connection connecting rod of cam is fixedly mounted in upper end, the inner wall back bottom of cylinder sleeve
Lower end, the side of cylinder sleeve is fixedly connected with one end of sleeve, communicates inside sleeve and cylinder sleeve, and inner wall one end of sleeve is fixedly mounted
Limit sleeve, sleeve are structure as a whole with limit sleeve, and the section of limit sleeve is wedge structure, limit sleeve respectively and meanwhile with sleeve, cylinder
Set is internal to be communicated, and gear is fixedly mounted in two sides respectively up and down for the inside of sleeve, is equipped with rack gear in sleeve, and rack gear is the two-sided rack,
The guiding device based on rack gear is equipped in sleeve, rack gear can be moved horizontally along guiding device, and gear is located at the upper of rack gear
Lower two sides, and gear is engaged with rack simultaneously respectively are set in sleeve there are two strut, and one end of strut is towards limit sleeve and
For arcuate structure, and one end concave surface of strut is towards in sleeve, and the side of strut passes through articulated shaft respectively and is articulated and connected sleeve
Inner wall before and after two sides, the bottom surface side for the strut being located above opens up sliding slot, and the top surface side of underlying strut opens up
Same sliding slot is respectively equipped with sliding block in sliding slot, and sliding block can be slided along corresponding sliding slot respectively, and the periphery of gear is fixedly connected
One end of push-pull rod, the other end of push-pull rod are articulated and connected with corresponding sliding block respectively, are equipped with ball in limit sleeve, ball it is outer
Week can be engaged with the periphery of ball simultaneously respectively with the inner wall close contacting fit of limit sleeve, one end of strut,
One end of rack gear can be engaged with the periphery of ball, and the other end of rack gear opens up blind hole, and the inner end of blind hole is connected by bearing
One end of width screw rod is connect, the inner end of blind hole is fixedly connected with one end of tension spring, and width screw rod is passed through out of tension spring, on width screw rod
It is set with loop coil, loop coil and width screw flight cooperate, and the other end of tension spring is fixedly connected with the inside of loop coil, the top surface and bottom of blind hole
Face opens up strip groove respectively, and limited block is fixedly mounted in the top and bottom of loop coil respectively, and limited block is located at corresponding bar shaped
In slot, and limited block can be slided along corresponding strip groove simultaneously respectively, and the side periphery of rack gear is articulated and connected several baffles
Side, the spacing between each adjacent two baffle is equal, and the other side of baffle can be contacted with the inner wall of sleeve simultaneously respectively matches
It closes, the other side of baffle is respectively fixedly connected with one end of cotton rope, and the other end of cotton rope is respectively fixedly connected with the outside of loop coil, sleeve
Top surface be fixedly connected with the vertical pipe lower end of inverted L shape pipe, inverted L shape pipe is communicated with sleeve inner, and the horizontal tube top surface of inverted L shape pipe is solid
Surely the lower end of several branch pipes is connected, branch pipe and elastic strip capsule correspond, and the upper end of branch pipe is solid with corresponding elastic strip capsule respectively
Fixed connection, each branch pipe are communicated with inverted L shape pipe, the intracapsular portion of corresponding elastic strip simultaneously respectively；The upper end of cylinder sleeve is fixedly connected with ball
It is communicated inside the bottom of shape shell, cylinder sleeve and spherical shell, the lower end of hose is fixedly connected at the top of spherical shell, the upper end of hose is fixed
Connect the bottom of resilient bladder, hose respectively simultaneously with communicated inside resilient bladder, spherical shell, floating ball is equipped in spherical shell, is floated
The periphery of ball can be with close contacting fit at the top of the inner wall of cylinder sleeve, and the bottom of floating ball is fixedly connected with the top surface of stripe board, bar shaped
The side of plate opens up through groove, and two upper lateral part of inner wall of cylinder sleeve is respectively fixedly connected with one end of fixed link, the other end point of fixed link
One end of quarter butt is not connected by torsional spring, quarter butt can be caught in through groove simultaneously respectively.
Velcro is fixedly mounted before the side of the band in magnetic resonance examination respiratory regulation device as described above
Cotton face, the hook surface of velcro is fixedly mounted in the other side back side of band, and the cotton face of velcro can be viscous with the hook surface of velcro
Patch cooperation.
Magnetic resonance examination respiratory regulation device as described above, the top surface of the fixed link is fixedly connected with elastic string
One end, the two sides of stripe board are respectively fixedly connected with the other end of corresponding elastic string.
Magnetic resonance examination respiratory regulation device as described above, the top and bottom of the ball open up arc respectively
Slot, one end of strut are located in corresponding arc groove, and one end of strut can be slided along corresponding arc groove respectively.
Magnetic resonance examination respiratory regulation device as described above, the guiding device include support rod and guide ring,
The inner wall bottom surface of sleeve is fixedly connected with the lower end of support rod, and the upper end of support rod is fixedly connected with the bottom of guide ring, and rack gear is from leading
It is passed through into ring.
Magnetic resonance examination respiratory regulation device as described above, the front and back two sides of the rack gear opens up guiding respectively
Strip is fixedly mounted in the inner wall front and back two sides of slot, guide ring respectively, and strip is located in corresponding guide groove simultaneously respectively, and strip
It can be slided simultaneously along corresponding guide groove respectively.
Pallet, pallet is fixedly mounted in one end of magnetic resonance examination respiratory regulation device as described above, the rack gear
For arcuate structure, and the concave surface of pallet, towards limit sleeve, the concave surface of pallet can be engaged with the periphery of ball.
The invention has the advantages that being marked with iron ion analogy agent in resilient bladder of the present invention, resilient bladder is in swelling state,
Before magnetic resonance abdomen scanning, band is first strapped in examiner's abdomen by medical staff, and resilient bladder is made to be located at examiner's abdomen,
Elastic strip capsule is located at examiner back, and when examiner's air-breathing, piston is moved downward along cylinder sleeve, the iron ion class in resilient bladder
Entered in spherical shell than agent by hose, resilient bladder is shunk, the iron ion class as piston continues to move downward, in spherical shell
It is able to enter in cylinder sleeve than agent, the liquid level in spherical shell reduces, and floating ball declines with liquid level and moved downward, while stripe board is downward
The bottom surface of movement, stripe board can be contacted with the top surface of two quarter butts simultaneously, and stripe board, which continues to move downward, can make quarter butt point
It is not turned over downwards centered on its hinge joint, until quarter butt is caught in through groove simultaneously respectively, while the periphery of floating ball and cylinder sleeve
Inner wall be in close contact, piston motion to bottommost, subsequent piston upwards, due to the frictional force between ball and limit sleeve
Less than the sum of the power of two torsional springs, the iron ion analogy agent in cylinder sleeve can inwardly squeeze ball, the periphery of ball no longer with limit
The inner wall of set contacts, and the periphery of ball and the end thereof contacts of strut, strut are rotated centered on its articulated shaft to outside sleeve respectively,
Ball can pass through between two struts, and sliding block slides along the chute when strut rotates, and sliding block is able to drive push-pull rod overturning, push away
Pull rod band moving gear rotates, and moves horizontally so as to band carry-over bar, until the end thereof contacts of ball and rack gear, in iron ion class
It than under the impulse force of agent, ball continues to move into sleeve, is moved so as to band carry-over bar into sleeve, strut is respectively with its hinge
It is turned down centered on spindle into sleeve, two struts can clamp ball, and iron ion analogy agent is able to enter in sleeve, then
It is intracapsular to enter elastic strip by inverted L shape pipe and branch pipe, the expansion of elastic strip capsule, then piston moves downward again, and elastic strip is intracapsular
Iron ion class contrast medium moved along branch pipe, inverted L shape pipe and sleeve into cylinder sleeve, elastic strip capsule shrink, iron ion class compare
Under the washing away of agent, baffle is respectively with the fold of its hinge joint, due to being fixedly connected between loop coil and baffle by cotton rope, so when gear
Plate is able to drive loop coil and moves out when turning down, at this time due to the mutual cooperation between limited block and strip groove so that loop coil without
Method rotation, to make width screw rod rotate, and tension spring is in extended state, until the other side of baffle is contacted with the inner wall of sleeve
Cooperation, with the suction for washing away with generating when piston moves downward of iron ion class contrast medium, rack gear is mobile to limit sleeve direction,
It is able to drive gear rotation, gear and push-pull rod rotate synchronously, and move simultaneously to corresponding gear respectively so as to band movable slider
Dynamic, so that strut is overturn to outside sleeve respectively, ball is detached from between two struts, until the periphery of ball and limit sleeve is interior
Wall is in close contact, and sleeve blocks, when moving upwards after piston motion to bottommost, due to the frictional force between baffle, sleeve
The sum of frictional force between ball, limit sleeve is greater than the sum of the power of two torsional springs, and iron ion class contrast medium can not wash ball open
It into sleeve, is moved upwards so that iron ion class contrast medium can only squeeze floating ball, iron ion class contrast medium enters spherical shape
In shell, under the pulling force effect of tension spring, loop coil can be moved along width screw rod into blind hole until baffle and sleeve disengaging, work as work
When plug moves again up, iron ion class contrast medium can wash ball open and enter in sleeve, so repeat the above process.The present invention
By the alternating expansion and contraction rhythm and pace of moving things sexual oppression navel week stomach wall of resilient bladder, subject's abdomen formula is passively adjusted by navel week stomach wall
Respiratory rhythm breathes subject passively, and the revolving speed by adjusting cam can exempt people come the speed of service of regulating piston
The drawbacks of power labour reduces human resources investment in checking process, can overcome manual operation in traditional structure, can make piston
The suitable speed of service is kept, so that timely adjustment respiratory rate and amplitude keep stablizing, the breathing of subject is more steady, more
Be conducive to eliminate MR image respiration artefacts, improve image definition.Elastic strip capsule is shunk when resilient bladder expands, and resilient bladder is received
Elastic strip capsule expands when contracting, the alternating expansion of elastic strip capsule and contraction can rhythm and pace of moving things sexual oppression back, so as to waist massaging
Acupuncture point, alleviates subject's intense strain, and the dilation of resilient bladder is conducive to subject's deep breathing, and the every breathing one of subject
It is secondary back once to be massaged, it can be improved metabolism, mitigate pain symptom, uncomfortable subject also can
Enough complete magnetic resonance examination, the object that magnetic resonance can check can be increased, by baffle, rack gear, gear, push-pull rod, sliding block,
Mutual cooperation between sliding slot and strut can realize the purpose of limitation ball movement under the premise of not against power device,
To realizing that iron ion class contrast medium is converted between resilient bladder and elastic strip capsule, and in the impulse force of iron ion class contrast medium and
Under the pulling force effect of tension spring, baffle can be realized reciprocal fold, to meet operation demand of the invention, by mechanical structure come
It realizes the movement of baffle, exempts the installation of sleeve internally-powered device, the energy can either be saved, additionally it is possible to avoid outside power device
Water-tight device is installed in portion, and structure more simplifies, and components of the present invention are all made of non magnetic material, will not cause to do to magnetic field
It disturbs, will not influence imaging, be suitable for a wide range of promote the use of.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention；Fig. 2 is I partial enlarged view of Fig. 1；Fig. 3 is II partial enlarged view of Fig. 1；
Fig. 4 is III partial enlarged view of Fig. 1；Fig. 5 is the enlarged drawing of the A direction view of Fig. 3.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Magnetic resonance examination respiratory regulation device, as shown, including band 1, the two sides of band 1 are fixedly mounted respectively can
The attachment device of adjusting can be connected the two sides of band 1 by attachment device, and the band 1 after connection is ring structure,
Adjustable attachment device can make band 1 be suitable for most of crowd and cylinder sleeve 2, the fixed peace in side before band 1
Resilient bladder 14 is filled, several elastic strip capsules 15 being parallel to each other are fixedly mounted in the other side before band 1, and the top of cylinder sleeve 2 is opened
Mouthful, piston 3 is equipped in cylinder sleeve 2, the periphery of piston 3 and the inner wall of cylinder sleeve 2 are engaged, and piston 3 can be sliding vertically along cylinder sleeve 2
Dynamic, the upper end of the bottom surface articulated connection connecting rod 4 of piston 3, the inner wall back bottom of cylinder sleeve 2 is fixedly mounted convex with power device
Wheel 5, power device are motor, and the lower end of the forward top articulated connection connecting rod 4 of cam 5, the side of cylinder sleeve 2 is fixedly connected with sleeve
It is communicated inside 6 one end, sleeve 6 and cylinder sleeve 2, limit sleeve is fixedly mounted in inner wall one end of sleeve 6, and sleeve 6 and limit sleeve are one
Body structure, the section of limit sleeve are wedge structure, and the area of limit sleeve inner wall outside is greater than the area of its inner wall, limit sleeve
Respectively simultaneously with communicated inside sleeve 6, cylinder sleeve 2, two sides are fixedly mounted gear 7 respectively up and down for the inside of sleeve 6, in gear 7
Heart line is each perpendicular to the inner wall back side of sleeve 6, and gear 7 can be rotated centered on its center line respectively, and rack gear is equipped in sleeve 6
8, rack gear 8 is the two-sided rack, is equipped with the guiding device based on rack gear 8 in sleeve 6, and rack gear 8 can be moved horizontally along guiding device,
Gear 7 is located at the two sides up and down of rack gear 8, and gear 7 is engaged with rack gear 8 simultaneously respectively, is set in sleeve 6 there are two strut 9,
One end of strut 9 towards limit sleeve and is arcuate structure, and one end concave surface of strut 9 is towards in sleeve 6, strut 9
Side is respectively by two sides before and after the inner wall of articulated shaft articulated connection sleeve 6, as shown in figure 3, the bottom surface for the strut 9 being located above
Side opens up sliding slot 10, and the top surface side of underlying strut 9 opens up same sliding slot 10, is respectively equipped with sliding block in sliding slot 10
11, sliding block 11 can be slided along corresponding sliding slot 10 respectively, and the periphery of gear 7 is fixedly connected with one end of push-pull rod 12, push-pull rod
12 other end is articulated and connected with corresponding sliding block 11 respectively, ball 13 is equipped in limit sleeve, the periphery of ball 13 can be with limit
One end of the inner wall close contacting fit of position set, strut 9 can be engaged with the periphery of ball 13 simultaneously respectively, rack gear 8
One end can be engaged with the periphery of ball 13, and the other end of rack gear 8 opens up blind hole 26, and the inner end of blind hole 26 is connected by bearing
One end of width screw rod 27 is connect, the inner end of blind hole 26 is fixedly connected with one end of tension spring 28, and width screw rod 27 is passed through out of tension spring 28,
Loop coil 29 is set on width screw rod 27, loop coil 29 is threadedly engaged with width screw rod 27, and the other end of tension spring 28 is fixedly connected with loop coil
29 inside, the top and bottom of blind hole 26 open up strip groove 30 respectively, and limit is fixedly mounted in the top and bottom of loop coil 29 respectively
Position block 31, limited block 31 are located in corresponding strip groove 30, and limited block 31 can be respectively simultaneously along corresponding strip groove
30 slidings, the side periphery of rack gear 8 are articulated and connected the sides of several baffles 32, the spacing phase between each adjacent two baffle 32
The other side Deng, baffle 32 can be engaged with the inner wall of sleeve 6 simultaneously respectively, and the other side of baffle 32 is respectively fixedly connected with
One end of cotton rope 33, the other end of cotton rope 33 are respectively fixedly connected with the outside of loop coil 29, and the top surface of sleeve 6 is fixedly connected with inverted L shape
It is communicated inside the vertical pipe lower end of pipe 16, inverted L shape pipe 16 and sleeve 6, the horizontal tube top surface of inverted L shape pipe 16 is fixedly connected with several
The lower end of pipe 17, branch pipe 17 and elastic strip capsule 15 correspond, and the upper end of branch pipe 17 is fixed with corresponding elastic strip capsule 15 respectively
Connection, each branch pipe 17 respectively simultaneously with communicated inside inverted L shape pipe 16, corresponding elastic strip capsule 15；The upper end of cylinder sleeve 2 is fixed to be connected
The bottom of spherical shell 18 is connect, is communicated inside cylinder sleeve 2 and spherical shell 18, the top of spherical shell 18 is fixedly connected with the lower end of hose 19,
The upper end of hose 19 is fixedly connected with the bottom of resilient bladder 14, and hose 19 is respectively simultaneously and inside resilient bladder 14, spherical shell 18
It communicates, floating ball 20 is equipped in spherical shell 18, the periphery of floating ball 20 can be with close contacting fit at the top of the inner wall of cylinder sleeve 2, floating ball
20 bottom is fixedly connected with the top surface of stripe board 21, and stripe board 21 can be located in cylinder sleeve 2, and the side of stripe board 21 opens up through groove
22, two upper lateral part of inner wall of cylinder sleeve 2 is respectively fixedly connected with one end of fixed link 23, and the other end of fixed link 23 passes through torsional spring respectively
One end of quarter butt 24 is connected, quarter butt 24 can be caught in through groove 22 simultaneously respectively.Be marked in resilient bladder 14 of the present invention iron from
For subclass than agent, resilient bladder 14 is in swelling state, and before magnetic resonance abdomen scanning, band 1 is first strapped in inspection by medical staff
Person's abdomen, and resilient bladder 14 is made to be located at examiner's abdomen, elastic strip capsule 15 is located at examiner back, when examiner's air-breathing,
Piston 3 is moved downward along cylinder sleeve 2, and the iron ion analogy agent in resilient bladder 14 is entered in spherical shell 18 by hose 19, elasticity
Sacculus 14 is shunk, and as piston 3 continues to move downward, the iron ion analogy agent in spherical shell 18 is able to enter in cylinder sleeve 2, spherical
Liquid level in shell 18 reduces, and floating ball 20 declines with liquid level and moved downward, while stripe board 21 moves downward, the bottom of stripe board 21
Face can be contacted with the top surface of two quarter butts 24 simultaneously, and stripe board 21, which continues to move downward, can make quarter butt 24 hinged with it respectively
It is turned over downwards centered on point, until quarter butt 24 is caught in through groove 22 simultaneously respectively, while the periphery of floating ball 20 and cylinder sleeve 2 is interior
Wall is in close contact, and piston 3 moves to bottommost, and subsequent piston 3 moves upwards, due to the frictional force between ball 13 and limit sleeve
Less than the sum of the power of two torsional springs, the iron ion analogy agent in cylinder sleeve 2 can inwardly squeeze ball 13, the periphery of ball 13 no longer with
The inner wall of limit sleeve contacts, and the periphery of ball 13 and the end thereof contacts of strut 9, strut 9 is respectively to set centered on its articulated shaft
It is rotated outside cylinder 6, ball 13 can pass through between two struts 9,10 sliding along the chute of sliding block 11, sliding block 11 when strut 9 rotates
It is able to drive the overturning of push-pull rod 12, push-pull rod 12 is rotated with moving gear 7, is moved horizontally so as to band carry-over bar 8, until ball
13 with the end thereof contacts of rack gear 8, under the impulse force of iron ion analogy agent, ball 13 continues to move into sleeve 6, so as to band
Carry-over bar 8 is moved into sleeve 6, and strut 9 is turned down centered on its articulated shaft into sleeve 6 respectively, and two struts 9 can clamp
Firmly ball 13, iron ion analogy agent are able to enter in sleeve 6, then enter elastic strip capsule 15 by inverted L shape pipe 16 and branch pipe 17
It is interior, elastic strip capsule 15 expand, then piston 3 moves downward again, the iron ion class contrast medium in elastic strip capsule 15 along branch pipe 17,
Inverted L shape pipe 16 and sleeve 6 are moved into cylinder sleeve 2, and elastic strip capsule 15 is shunk, under the washing away of iron ion class contrast medium, baffle 32
It respectively with the fold of its hinge joint, is fixedly connected due to passing through cotton rope 33 between loop coil 29 and baffle 32, so when baffle 32 turns down
When be able to drive loop coil 29 and move out, at this time due to the mutual cooperation between limited block 31 and strip groove 30, so that loop coil 29
It can not rotate, to make width screw rod 27 rotate, and tension spring 28 is in extended state, until the other side of baffle 32 and sleeve 6
Inner wall be engaged, with the suction of iron ion class contrast medium generated when washing away and moving downward with piston 3, rack gear 8 is to limit
Position set direction is mobile, is able to drive the rotation of gear 7, and gear 7 and push-pull rod 12 rotate synchronously, and distinguishes so as to band movable slider 11
Mobile to corresponding gear 7 simultaneously, so that strut 9 is overturn to outside sleeve 6 respectively, ball 13 is detached from between two struts 9, directly
The inner wall of periphery and limit sleeve to ball 13 is in close contact, and sleeve 6 is blocked, moved upwards after piston 3 moves to bottommost
When, since the sum of the frictional force between the frictional force between baffle 32, sleeve 6 and ball 13, limit sleeve is greater than two torsional springs
The sum of power, iron ion class contrast medium can not wash ball 13 open and enter in sleeve 6, so that iron ion class contrast medium can only squeeze
Floating ball 20 moves upwards, and iron ion class contrast medium enters in spherical shell 18, and under the pulling force effect of tension spring 28, loop coil 29 being capable of edge
Width screw rod 27 is moved into blind hole 26 until baffle 32 and the disengaging of sleeve 6, when piston 3 moves again up, iron ion class
Contrast medium can wash ball 13 open and enter in sleeve 6, so repeat the above process.The present invention is swollen by the alternating of resilient bladder 14
Swollen and contraction rhythm and pace of moving things sexual oppression navel week stomach wall, passively adjusts subject's abdominal respiration rhythm and pace of moving things by navel week stomach wall, makes subject's quilt
Dynamic breathing, and the revolving speed by adjusting cam 5 can exempt manual labor come the speed of service of regulating piston 3, reduction checked
The drawbacks of human resources are put into journey, can overcome manual operation in traditional structure can make piston 3 keep suitably running speed
Degree, so that timely adjustment respiratory rate and amplitude keep stablizing, the breathing of subject is more steady, is more advantageous to and eliminates MR image
Respiration artefacts improve image definition.Elastic strip capsule 15 is shunk when resilient bladder 14 expands, elastic strip when resilient bladder 14 is shunk
Capsule 15 expands, the alternating expansion of elastic strip capsule 15 and contraction can rhythm and pace of moving things sexual oppression back delay so as to waist massaging acupuncture point
Subject's intense strain is solved, the dilation of resilient bladder 14 is conducive to subject's deep breathing, and the every breathing of subject is primary all
Back can once be massaged, can be improved metabolism, mitigate pain symptom, uncomfortable subject also can be complete
At magnetic resonance examination, the object that magnetic resonance can check can be increased, by baffle 32, rack gear 8, gear 7, push-pull rod 12, slided
Mutual cooperation between block 11, sliding slot 10 and strut 9 can realize limitation ball 13 under the premise of not against power device
The purpose of movement, to realize that iron ion class contrast medium is converted between resilient bladder 14 and elastic strip capsule 15, and in iron ion
Under the impulse force of class contrast medium and the pulling force effect of tension spring 28, baffle 32 can be realized reciprocal fold, to meet fortune of the invention
Row demand realizes the movement of baffle 32 by mechanical structure, exempts the installation of 6 internally-powered device of sleeve, can either save energy
Source, additionally it is possible to avoid that water-tight device is installed outside power device, structure more simplify, and components of the present invention be all made of it is non-magnetic
Property material, magnetic field will not be interfered, will not influence imaging, be suitable for a wide range of promote the use of.
Specifically, for the ease of the two sides of band 1 are connected, before the side of band 1 described in the present embodiment
It is fixedly mounted the cotton face of velcro, the other side back side of band 1 is fixedly mounted the hook surface of velcro, and the cotton face of velcro can be with
The hook surface of velcro pastes cooperation.The structure can freely adjust the tightness of band 1 according to the waistline of examiner, and pass through
It is more convenient that velcro connects the two sides of band 1, velcro low cost and is easily installed, and can reduce the present invention
Production cost.
Specifically, stripe board 21 rotates in order to prevent, the top surface of fixed link 23 described in the present embodiment is fixedly connected with elasticity
One end of rope 25, the two sides of stripe board 21 are respectively fixedly connected with the other end of corresponding elastic string 25.Elastic string 25 is given always
21 1 downward pulling force of stripe board, the two sides of stripe board 21 are respectively by an identical pulling force, so that stripe board 21
It can not rotate, and then avoid when stripe board 21 moves downward, quarter butt 24 can not be caught in through groove 22.
Further, in order to enable 13 stable operation of ball, the top and bottom of ball 13 described in the present embodiment are divided
Arc groove 34 is not opened up, and one end of strut 9 is located in corresponding arc groove 34, and one end of strut 9 can be respectively along right
The arc groove 34 answered slides.By the mutual cooperation between strut 9 and arc groove 34, one end of strut 9 is always positioned at arc groove
In 34, two mutual cooperations of strut 9 can be such that ball 13 moves horizontally, so as to enable ball 13 more steadily to transport
Row.
Further, moving horizontally for rack gear 8, guiding device packet described in the present embodiment are effectively realized for simplicity
Support rod 35 and guide ring 36 are included, the inner wall bottom surface of sleeve 6 is fixedly connected with the lower end of support rod 35, and the upper end of support rod 35 is fixed
The bottom of guide ring 36 is connected, rack gear 8 is passed through out of guide ring 36.The structure can be such that rack gear 8 moves horizontally along guide ring 36,
And the structure is easily fabricated, is easily installed, and can reduce production cost of the invention.
Further, in order to enhance the operation stability of rack gear 8, the front and back two sides of rack gear 8 described in the present embodiment
Guide groove 37 is opened up respectively, and strip 38 is fixedly mounted in two sides respectively before and after the inner wall of guide ring 36, and strip 38 is located at simultaneously respectively
In corresponding guide groove 37, and strip 38 can be slided along corresponding guide groove 37 simultaneously respectively.The periphery of strip 38 respectively with
The inner wall of corresponding guide groove 37 is engaged, as shown in figure 5, effective support can be formed to rack gear 8, so as to further
Enhance the operation stability of rack gear 8.
Further, in order to keep 13 stabilized zone carry-over bar 8 of ball mobile, one of rack gear 8 described in the present embodiment
End is fixedly mounted pallet 39, and pallet 39 is arcuate structure, and the concave surface of pallet 39 is towards limit sleeve, and the concave surface of pallet 39 can be with
The periphery of ball 13 is engaged.Pallet 39 can increase the contact area of rack gear 8 Yu ball 13, so as to avoid ball 13
It misplaces when being moved into sleeve 6 with rack gear 8, so as to enhance operation stability of the invention.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (7)
1. magnetic resonance examination respiratory regulation device, it is characterised in that: including band (1) and cylinder sleeve (2), before band (1)
Resilient bladder (14) are fixedly mounted in side, and several elastic strip capsules being parallel to each other are fixedly mounted in the other side before band (1)
(15), the upper opening of cylinder sleeve (2), cylinder sleeve (2) is interior to be equipped with piston (3), and the periphery of piston (3) is contacted with the inner wall of cylinder sleeve (2)
Cooperation, piston (3) can be along cylinder sleeve (2) vertical sliding, the upper end of bottom surface articulated connection connecting rod (4) of piston (3), cylinder sleeves (2)
Inner wall back bottom the cam (5) for having power device is fixedly mounted, the forward top of cam (5) is articulated and connected connecting rod (4)
Lower end, the side of cylinder sleeve (2) is fixedly connected with one end of sleeve (6), communicates inside sleeve (6) and cylinder sleeve (2), sleeve (6)
Limit sleeve is fixedly mounted in inner wall one end, and sleeve (6) is structure as a whole with limit sleeve, and the section of limit sleeve is wedge structure, limit
Set is communicated with inside sleeve (6), cylinder sleeve (2) simultaneously respectively, and up and down gear (7) are fixedly mounted in two sides in the inside of sleeve (6) respectively,
Rack gear (8) are equipped in sleeve (6), rack gear (8) is the two-sided rack, is equipped with the guiding device based on rack gear (8), tooth in sleeve (6)
Item (8) can be moved horizontally along guiding device, and gear (7) is located at the two sides up and down of rack gear (8), and gear (7) is same respectively
When engaged with rack gear (8), set that there are two strut (9) in sleeve (6), one end of strut (9) towards limit sleeve and is arc
Structure, and one end concave surface of strut (9) is interior towards sleeve (6), the side of strut (9) passes through articulated shaft articulated connection respectively and covers
Two sides before and after the inner wall of cylinder (6), the bottom surface side of the strut being located above (9) open up sliding slot (10), underlying strut (9)
Top surface side open up same sliding slot (10), is respectively equipped with sliding block (11) in sliding slot (10), sliding block (11) can be respectively along right
Sliding slot (10) sliding answered, the periphery of gear (7) are fixedly connected with one end of push-pull rod (12), the other end difference of push-pull rod (12)
Be articulated and connected with corresponding sliding block (11), be equipped with ball (13) in limit sleeve, the periphery of ball (13) can in limit sleeve
One end of wall close contacting fit, strut (9) can be engaged with the periphery of ball (13) simultaneously respectively, and the one of rack gear (8)
End can be engaged with the periphery of ball (13), and the other end of rack gear (8) opens up blind hole (26), and the inner end of blind hole (26) passes through
Bearing connects the one end of width screw rod (27), and the inner end of blind hole (26) is fixedly connected with one end of tension spring (28), width screw rod (27)
It is passed through in from tension spring (28), is set with loop coil (29) on width screw rod (27), loop coil (29) is threadedly engaged with width screw rod (27), is drawn
The other end of spring (28) is fixedly connected with the inside of loop coil (29), and the top and bottom of blind hole (26) open up strip groove (30) respectively,
The top and bottom of loop coil (29) are fixedly mounted limited block (31) respectively, and limited block (31) is located at corresponding strip groove (30)
It is interior, and limited block (31) can be slided along corresponding strip groove (30) simultaneously respectively, the side periphery articulated connection number of rack gear (8)
The side of a baffle (32), the spacing between each adjacent two baffle (32) is equal, and the other side of baffle (32) can be same respectively
When be engaged with the inner wall of sleeve (6), the other side of baffle (32) is respectively fixedly connected with one end of cotton rope (33), cotton rope (33)
The other end be respectively fixedly connected with the outsides of loop coil (29), the top surface of sleeve (6) is fixedly connected under the vertical pipe of inverted L shape pipe (16)
It is communicated inside end, inverted L shape pipe (16) and sleeve (6), the horizontal tube top surface of inverted L shape pipe (16) is fixedly connected with several branch pipes (17)
Lower end, branch pipe (17) and elastic strip capsule (15) correspond, and the upper end of branch pipe (17) is solid with corresponding elastic strip capsule (15) respectively
Fixed connection, each branch pipe (17) communicate with inside inverted L shape pipe (16), corresponding elastic strip capsule (15) simultaneously respectively；Cylinder sleeve (2)
Upper end is fixedly connected with the bottom of spherical shell (18), communicates inside cylinder sleeve (2) and spherical shell (18), the top of spherical shell (18) is fixed
The lower end of hose (19) is connected, the upper end of hose (19) is fixedly connected with the bottom of resilient bladder (14), and hose (19) difference is simultaneously
It is communicated with inside resilient bladder (14), spherical shell (18), is equipped with floating ball (20) in spherical shell (18), the periphery of floating ball (20) can
With close contacting fit at the top of the inner wall of cylinder sleeve (2), the bottom of floating ball (20) is fixedly connected with the top surface of stripe board (21), stripe board
(21) side opens up through groove (22), and two upper lateral part of inner wall of cylinder sleeve (2) is respectively fixedly connected with one end of fixed link (23), fixed
Respectively by one end of torsional spring connection quarter butt (24), quarter butt (24) can be caught in through groove the other end of bar (23) simultaneously respectively
(22) in.
2. magnetic resonance examination according to claim 1 respiratory regulation device, it is characterised in that: the band (1)
The cotton face of velcro is fixedly mounted before side, the hook surface of velcro is fixedly mounted in the other side back side of band (1), velcro
Cotton face can be pasted with the hook surface of velcro to be cooperated.
3. magnetic resonance examination according to claim 1 respiratory regulation device, it is characterised in that: the fixed link (23)
Top surface be fixedly connected with one end of elastic string (25), the two sides of stripe board (21) are respectively fixedly connected with corresponding elastic string (25)
The other end.
4. magnetic resonance examination according to claim 1 respiratory regulation device, it is characterised in that: the ball (13)
Top and bottom open up arc groove (34) respectively, and one end of strut (9) is located in corresponding arc groove (34), and strut
(9) one end can be slided along corresponding arc groove (34) respectively.
5. magnetic resonance examination according to claim 1 respiratory regulation device, it is characterised in that: the guiding device packet
Support rod (35) and guide ring (36) are included, the inner wall bottom surface of sleeve (6) is fixedly connected with the lower end of support rod (35), support rod (35)
Upper end be fixedly connected with the bottoms of guide ring (36), rack gear (8) is passed through out of guide ring (36).
6. magnetic resonance examination according to claim 6 respiratory regulation device, it is characterised in that: the rack gear (8)
Front and back two sides open up respectively guide groove (37), two sides is fixedly mounted strip (38) respectively before and after the inner wall of guide ring (36), blocks
Item (38) is located in corresponding guide groove (37) simultaneously respectively, and strip (38) can be respectively simultaneously along corresponding guide groove (37)
Sliding.
7. magnetic resonance examination according to claim 1 respiratory regulation device, it is characterised in that: the rack gear (8)
Pallet (39) are fixedly mounted in one end, and pallet (39) is arcuate structure, and the concave surface of pallet (39) is towards limit sleeve, pallet (39)
Concave surface can be engaged with the periphery of ball (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810570857.5A CN108937936A (en) | 2018-06-05 | 2018-06-05 | Magnetic resonance examination respiratory regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810570857.5A CN108937936A (en) | 2018-06-05 | 2018-06-05 | Magnetic resonance examination respiratory regulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108937936A true CN108937936A (en) | 2018-12-07 |
Family
ID=64493792
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810570857.5A Withdrawn CN108937936A (en) | 2018-06-05 | 2018-06-05 | Magnetic resonance examination respiratory regulation device |
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| CN (1) | CN108937936A (en) |
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Application publication date: 20181207 |