CN109431504B - Spinal column pressurizing device for nuclear magnetic resonance imaging - Google Patents
Spinal column pressurizing device for nuclear magnetic resonance imaging Download PDFInfo
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- CN109431504B CN109431504B CN201811194898.5A CN201811194898A CN109431504B CN 109431504 B CN109431504 B CN 109431504B CN 201811194898 A CN201811194898 A CN 201811194898A CN 109431504 B CN109431504 B CN 109431504B
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- 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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Abstract
The invention designs a spinal compression device for nuclear magnetic resonance imaging. The main structure of the device is divided into detachable shorts, a connecting belt, a shoulder belt, a waistband, a shoulder sacculus, a waist sacculus, a load measuring instrument, a connecting magic tape, a leg magic tape and other parts; all the parts are made of non-metallic materials, and have no influence on nuclear magnetic resonance imaging examination. The detachable shorts and the shoulder straps are connected through the connecting belt, and the connecting belt can be stuck at different positions by adopting a magic tape connecting mode, so that the detachable shorts and the shoulder straps are convenient to wear and suitable for people with different body types. The connecting belt is provided with a tension load measuring instrument, and the spine pressurization size can be displayed in real time by adopting a pointer and scale mode. The shoulder and the waist are provided with the pressurizing air bags, so that the pressurizing size can be adjusted at any time during nuclear magnetic resonance examination, and the stress state of discomfort or pain of a testee during weight bearing can be simulated. The invention can be suitable for testees with different heights and body types, and is convenient for the testees to adjust the spinal compression at any time during the nuclear magnetic resonance imaging examination.
Description
Technical Field
The invention relates to the field of biomedical engineering. In particular, the invention relates to a spinal compression device for magnetic resonance imaging, which can be worn by a human subject during magnetic resonance imaging and can apply different pressures to the spinal column so as to perform magnetic resonance imaging examination on the spinal column of the human subject in a loaded state.
Background
The human spine is an important load bearing structure, each segment needs to bear a large amount of load and carry out complicated and various movements, and damage and degeneration are easy to occur. Whether the intervertebral disc is protruded due to the accelerated working rhythm or the spine fracture and rupture caused by external force, if the treatment is not carried out in time, the irreversible effect can be caused.
At present, nuclear magnetic resonance is an important means for examining spinal injuries, but there are some limitations, such as that when a subject lies on a nuclear magnetic resonance apparatus for spinal examination, the subject does not find injuries, but feels discomfort or pain in daily life or under a heavy load, which greatly hinders diagnosis and treatment of spinal injuries. The nmr has a strong magnetic property and any metal object cannot come close to it. At present, similar pressurizing devices are attached with metal materials, and the pressurizing can only be completed before the examination, and the metal parts are removed during the examination, so that the real-time pressurizing adjustment and pressure measurement on the nuclear magnetic resonance bed cannot be realized. Therefore, there is a clinical need for a wearable device that can be used on a magnetic resonance apparatus and that can apply a load to the spine.
Disclosure of Invention
The invention designs a spinal compression device for nuclear magnetic resonance imaging, which takes the structure of a human body and the examination requirement of a nuclear magnetic resonance instrument into consideration. The main structure of the device is divided into detachable shorts, a connecting belt, a shoulder belt, a waistband, a shoulder sacculus, a waist sacculus, a load measuring instrument, a connecting magic tape, a leg magic tape and other parts; all parts are made of non-metallic materials. The detachable shorts and the shoulder straps are connected through the connecting belt, so that the pants are convenient to wear and suitable for people with different body types. The connecting belt is provided with a tension load measuring instrument which can display the compression size of the spine in real time. The pressurizing air bags are arranged on the shoulder and the waist, so that the pressurizing size can be adjusted at any time during nuclear magnetic resonance examination. The length of the connecting band is adjusted, and pressure can be applied to the hip after the shoulder saccule is inflated, so that the purpose of pressurizing the spine is achieved. The invention has good conformability and can be suitable for testees with different heights and body types.
The invention relates to a spinal column pressurizing device for nuclear magnetic resonance imaging. The shoulder air bag is sleeved on the inner side of the shoulder belt and can slide back and forth on the shoulder belt. The waist airbag is sleeved at the joint of the shoulder belt and the waist belt, and the up-and-down position can be adjusted. The load measuring instrument is fixed with the abdomen belt, and the upper end extends out of the connecting belt to be connected with the tail end of the shoulder strap. Under the fixed state of the waistband, the saccule is pressurized, and the force is transmitted to the load measuring instrument through the connecting belt. The two shoulder straps are fixed together in front of the chest through a connecting cross beam, and the end parts are provided with magic tapes and the length of the magic tapes can be adjusted; the back structure is similar. The shoulder straps and the waist belt are combined and connected with the back connecting belt through the load measuring instrument, the detachable shorts are arranged below the waist belt, the wearing effect is similar to that of the shorts, and the test person can conveniently wear the pants. The magic subsides of adjustable length are attached to the connecting band to swiftly dress and can adapt to the crowd that the size is different more extensively.
The spine pressurizing device for nuclear magnetic resonance imaging is characterized in that the applied materials are all non-metallic materials, and nuclear magnetic resonance examination is not affected; meanwhile, the pressurizing device can realize the function of pressurizing at any time during nuclear magnetic resonance examination.
The utility model provides a backbone pressure device for nuclear magnetic resonance imaging, its characterized in that, front and back connecting band all connect in baldric and waistband, can adjust the length of connecting band through the sticking position of magic subsides on adjusting the connecting band to can adapt to the not testee of co-altitude and dress, can apply the not loading power of equidimension to the backbone moreover.
The spine pressurizing device for nuclear magnetic resonance imaging is characterized in that an internal force measuring element of a load measuring instrument is made of an elastic non-metal material, is fixed with a waistband at the abdomen, and the upper part of the load measuring element is connected with a connecting belt; the load measuring instrument can measure the load applied to the connecting band, a pointer is carved on the connecting band, and the pointer moves along with the stressed connecting band so as to point to the side ruler to display the magnitude of the loading force.
The spine pressurizing device for nuclear magnetic resonance imaging is characterized in that an air bag is additionally arranged below a shoulder strap, and the shoulder air bag is sleeved on the inner side of the shoulder strap and can slide back and forth on the shoulder strap so as to adapt to the shoulder positions of testees of different sizes and be just positioned at the top of the shoulder; the one-way valve is arranged in the air blowing device, so that the air flow can flow to the air bag when the air blowing device is extruded, and the air bag inflation function is realized; the air bag is inflated to apply different loads to the spine of the human body, the pressure on the left shoulder and the right shoulder can be respectively adjusted through the two vent valves, and the pressure on the shoulders is transmitted to the waist through the connecting belt; the upper end of the air blowing device is provided with a spiral knob, and the air blowing device can be in different states of inflation and deflation by screwing and loosening the knob; a vent valve is additionally arranged between the air blowing device and the air bag and can be in a ventilation state and a ventilation blocking state, the air pressure of the air blowing device can be applied to the air bag during ventilation, and the constant air pressure can be kept in the air bag during ventilation blocking; thus, different loads are added to the lumbar and the back spines during imaging on the nuclear magnetic resonance instrument, so that nuclear magnetic resonance imaging examination can be performed on a human subject under different loading states of the spines.
The spine pressurizing device for nuclear magnetic resonance imaging is characterized in that the waist airbag is positioned at the lower section of the back connecting belt and can be freely adjusted in the up-down position; the waist height position is changed by adjusting the inflating device connected with the waist air bag to inflate and deflate like the operation of the shoulder air bag and the inflating device connected with the shoulder air bag; therefore, the posture of the lumbar vertebra part is similar to that of the lumbar vertebra part when the lumbar vertebra part stands when the image is formed on the nuclear magnetic resonance instrument, so that the pathological change part can be observed more accurately.
The spine pressurizing device for nuclear magnetic resonance imaging is characterized in that the lower part of a waistband and detachable shorts are fixed into a whole, the detachable shorts are divided into a front part and a rear part, and the front part and the rear part are connected together by adopting a magic tape sticking connection mode to form a shorts-shaped device; the tightness of the connection of the shorts can be adjusted by adjusting the sticking positions of the magic tapes on the front part and the rear part; the magic tape connecting mode is convenient to wear and can meet the requirements of wearing by testers with different body types.
The spine pressurizing device for nuclear magnetic resonance imaging is characterized in that the connecting components at all parts adopt a magic tape connecting mode, so that the connecting and position adjustment of adjacent parts can be facilitated, and the spine pressurizing device is suitable for testers with different heights and body types.
Drawings
Fig. 1 is a schematic view of a spinal compression device for magnetic resonance imaging.
1. The detachable pants comprise a load measuring instrument, 2 parts of leg magic tapes, 3 parts of an air blowing device, 4 parts of a vent valve, 5 parts of a connecting belt, 6 parts of a connecting beam, 7 parts of a waist airbag, 8 parts of a shoulder airbag, 9 parts of shoulder straps, 10 parts of a waistband and 11 parts of detachable shorts.
Detailed Description
For a further understanding of the present invention, preferred embodiments of the present invention will be described below with reference to examples. The description is intended to be illustrative of the features and advantages of the invention, and should not be taken to limit the scope of the invention.
Fig. 1 is a schematic diagram of a spinal compression device for magnetic resonance imaging, which comprises a load measuring instrument 1, a leg magic tape 2, an air blowing device 3, a vent valve 4, a connecting belt 5, a connecting beam 6, a waist air bag 7, a shoulder air bag 8, shoulder straps 9, a waist belt 10 and detachable shorts 11. The shoulder bag 8 is threaded over the shoulder strap 9 and can be slid back and forth over the shoulder strap 9 to adjust the position of the shoulder bag 8. The front and back of the chest are respectively provided with a connecting beam 6, and the shoulder straps 9 are connected with the two connecting beams 6 to transmit the load applied by the shoulder airbags 8 to the connecting beams 6. A sliding buckle is arranged below the connecting cross beam 6, the connecting belt 5 penetrates through the sliding buckle and is fixed by a magic tape, and the load of the connecting cross beam 6 can be transmitted to the connecting belt 5. The chest connecting belt 5 is connected with the load measuring instrument 1. The length and the elasticity of connecting band can be adjusted through the laminating position of magic subsides to connecting band 5 to adapt to the different heights of testee and the size of different loading power, along with the increase of load drives the measuring stick motion in the load measuring apparatu 1, just so can clearly show the size of applying load on the scale of load measuring apparatu 1. The connection mode of the back connecting belt 5 and the connecting beam 6 is the same as that of the chest connecting belt, but the lower end of the back connecting belt 5 is directly connected with the waistband, and a waist air bag 7 is also penetrated on the back connecting belt. The shoulder air bag 8 and the waist air bag 7 are respectively connected with an air blowing device 3 and a vent valve 4, the air blowing device 3 connected on the shoulder air bag 8 can be conveniently inflated and deflated so as to adjust the load at any time, and the vent valve 4 on the shoulder air bag 8 is used for closing the vent valve 4 when the air blowing device 3 inflates the shoulder air bag 8 to apply the load to reach the required load, so that the load can be kept for a long time. The ventilation valves 4 on the left shoulder and the right shoulder can respectively adjust the ventilation condition so as to realize different pressures of the left shoulder strap and the right shoulder strap. The load measuring instrument 1 is fixedly connected with the waistband 10 and the detachable shorts 11, and the detachable shorts 11 can be unfolded into leg magic tapes 2 at two sides of legs, so that a testee can conveniently wear the load measuring instrument and the load measuring instrument has conformability. All parts are connected in sequence to form the spine pressurizing device for nuclear magnetic resonance imaging, so that the aim of applying axial load to the spine is fulfilled.
The working principle of the invention is that the shoulder air bags 8 are inflated by the air blowing device 3 to apply load, the shoulder air bags 8 are expanded, the shoulder straps 9 and the shoulders of a tested person are subjected to reverse acting force, the shoulder straps 9 transmit force to the two connecting cross beams 6, the chest connecting belt 5 transmits force to the load measuring instrument 1, the back connecting belt transmits force to the waist belt 10, the load measuring instrument 1 and the waist belt 10 are fixed into a whole, the detachable shorts 11 and the waist belt 10 are connected and fixed to provide reaction force, the device achieves force balance, and the load displayed on the load measuring instrument 1 is the axial load applied to the spine by the device.
Claims (4)
1. A spinal compression device for magnetic resonance imaging, comprising:
comprises shorts, a connecting belt, a shoulder belt, a waistband, a shoulder sacculus, a waist sacculus, a load measuring instrument and a magic tape; all parts are made of non-metallic materials; the shorts and the shoulder straps are connected through the connecting belt, and the connecting belt is stuck at different positions in a magic tape connecting mode, so that the shorts and the shoulder straps are convenient to wear and suitable for people with different body types; the connecting belt is provided with a tension load measuring instrument which displays the compression size of the spine in real time; the shoulder and the waist are provided with pressurizing air bags, the pressurizing size is adjusted at any time during nuclear magnetic resonance examination, and the stress state of discomfort or pain feeling of a testee during weight bearing is simulated; the length of the connecting belt is adjusted, and the shoulder air bags are inflated and deflated to adjust the pressure of the air bags, so that the aim of pressurizing and depressurizing the spine at any time is fulfilled; the waist is raised to different positions by adjusting the inflating quantity of the waist air bag, so that the pose of the waist when a human body stands can be better simulated; the connecting components at each part adopt a magic tape connecting mode, so that the connection and position adjustment of adjacent parts are facilitated;
the shorts are detachable shorts, and the connecting components at all parts adopt a magic tape connecting mode, so that the connection and position adjustment of adjacent parts are convenient, and the shorts are suitable for testers with different heights and body types;
the shoulder air bags are sleeved on the inner sides of the shoulder belts and slide back and forth on the shoulder belts so as to adapt to the shoulder positions of testees of different sizes and be just positioned at the tops of the shoulders; the air blowing device is internally provided with a one-way valve, so that the air flow is enabled to flow to the air bag when the air blowing device is extruded, and the air bag inflation function is realized; the air bag is inflated to apply different loads to the spine of the human body, the magnitude of the pressure on the left shoulder and the right shoulder is respectively adjusted through the two vent valves, and the pressure on the shoulders is transmitted to the waist through the connecting belt; the upper end of the air blowing device is provided with a spiral knob, and the air blowing device can be in different states of inflation and deflation by screwing and loosening the knob; a vent valve is additionally arranged between the air blowing device and the air bag and is in a ventilation state and a ventilation blocking state, the air pressure of the air blowing device is applied to the air bag during ventilation, and the constant air pressure is kept in the air bag during ventilation blocking; thus, different loads are added to the lumbar and back spines when imaging is carried out on the nuclear magnetic resonance instrument, so that nuclear magnetic resonance imaging examination can be carried out on a human subject under different spinal load states;
the waist airbag is positioned at the lower section of the back connecting belt and can freely adjust the up-down position; the waist height position is changed by adjusting an air inflating device connected with the waist air bag to inflate and deflate.
2. The spine compression device for magnetic resonance imaging as claimed in claim 1, wherein the connecting strap comprises a front connecting strap and a rear connecting strap, the front connecting strap and the rear connecting strap are both connected to the shoulder strap and the waist belt, and the length of the connecting strap is adjusted by adjusting the sticking position of the magic tapes on the connecting straps, so that the spine compression device is suitable for being worn by the testees with different heights and applies different loading forces to the spine.
3. The spine compression device for magnetic resonance imaging according to claim 1, wherein the internal force measuring element of the load measuring device is made of elastic non-metallic material, and is fixed with the waist belt at the abdomen, and the upper part is connected with the connecting belt; the load measuring instrument measures the load applied to the connecting band, a pointer is carved on the connecting band, and the pointer moves along with the stressed connecting band so as to point to the side scale to display the magnitude of the loading force.
4. The spine compression device for magnetic resonance imaging according to claim 1, wherein the lower part of the waistband is fixed with the shorts as a whole, the shorts are detachable shorts which are divided into a front part and a rear part, and the front part and the rear part are connected together by a magic tape-sticking connection mode to form a device in the form of shorts; the tightness of the connection of the shorts can be adjusted by adjusting the sticking positions of the magic tapes on the front part and the rear part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811194898.5A CN109431504B (en) | 2018-10-15 | 2018-10-15 | Spinal column pressurizing device for nuclear magnetic resonance imaging |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811194898.5A CN109431504B (en) | 2018-10-15 | 2018-10-15 | Spinal column pressurizing device for nuclear magnetic resonance imaging |
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| CN109431504A CN109431504A (en) | 2019-03-08 |
| CN109431504B true CN109431504B (en) | 2022-11-08 |
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| CN113647930A (en) * | 2021-07-20 | 2021-11-16 | 首都医科大学 | Force application device for human lower jaw triangle area in nuclear magnetic environment |
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