Auxiliary device for magnetic resonance scanning coil

Abstract

The invention relates to the related technical field of auxiliary equipment for magnetic resonance detection, in particular to an auxiliary device for a magnetic resonance scanning coil, the auxiliary device comprises a hand fixing mechanism and a foot fixing mechanism, the hand fixing mechanism and the foot fixing mechanism each comprise a wrapping part, a supporting coil and a connecting wire, the connecting wire is located in the center of the supporting coil; the hand fixing mechanism and the foot fixing mechanism are arranged to fix the hand and the foot respectively, the use flexibility is improved, in addition, the hand and the foot can be fixed to the supporting coil conveniently, fixing is fast, the fixing effect is good, and the imaging effect is prevented from being affected; the stability of the hand fixing mechanism and the foot fixing mechanism is improved through the arranged balance weight, imaging is facilitated by using rice as balance weight filler, the imaging effect is improved, and the problem that the inspection result is affected due to the fact that the hand or the foot is not attached to the coil in the inspection process is solved.

Description

Technical Field

[0001] The present invention relates to the technical field related to auxiliary equipment for magnetic resonance detection, and more particularly to an auxiliary device for a magnetic resonance scanning coil. Background Art

[0002] Magnetic resonance imaging (MRI) is widely used in medical diagnosis. It utilizes the characteristics of atomic nuclear spin motion, coupled with a superconducting magnetic field. After radio frequency pulse excitation, it extracts electromagnetic signals from the human body. These signals are detected by a detector and transmitted to a computer. After processing and conversion, the computer displays the patient's image on a screen for diagnosis by the doctor. The MRI's detection coils collect these electromagnetic signals.

[0003] The wrist or foot MRI scanning coil currently used in the department is a flat device. When examining patients, the MRI examination time is relatively long, and it generally takes about minutes to examine one part of the body. Because the examination time is too long and the patient's hands and feet cannot be kept fixed well, the patient will move due to discomfort, causing the wrist or foot to be out of contact with the coil, which will affect the imaging effect and cause errors in the examination results. Summary of the Invention

[0004] The object of the present invention is to provide an auxiliary device for a magnetic resonance scanning coil which can fix hands and feet and facilitates the hands and feet to fit the coil.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an auxiliary device for a magnetic resonance scanning coil, the auxiliary device comprising a hand fixing mechanism and a foot fixing mechanism, the hand fixing mechanism and the foot fixing mechanism each comprising a covering, a support coil 4 and a connecting wire 3, the connecting wire 3 being located at the center of the support coil 4; the covering is provided with two and is respectively arranged on both sides of the support coil 4, each covering is provided with a through hole 6 for a binding rope to pass through, the binding rope is used to wrap the covering around the hand or foot, the covering is made of a flexible material, the covering comprises a covering coil 5 and a covering protective pad 16, the covering coil 5 is connected to the side of the support coil 4, the covering coil 5 and the support coil 4 are both connected to the magnetic resonance scanner via the connecting wire 3, and the covering protective pad 16 is connected to the side of the first protective pad 12;

[0006] The hand fixing mechanism further includes a first counterweight base 1, a first protective pad 12, and a first flexible fixing member. The first protective pad 12 is fixedly connected to the top of the support coil 4, and the first flexible fixing member is fixedly connected to the top of the first protective pad 12. The first flexible fixing member is used to constrain the hand on the first protective pad 12 by pressing. The first counterweight base 1 is detachably connected to the bottom of the support coil 4, and the first counterweight base 1 is filled with a counterweight.

[0007] The foot fixing mechanism further includes a second flexible fixing member and a second protective pad 11, the second protective pad 11 is located on top of the support coil 4, the second protective pad 11 and the support coil 4 form a support member for placing the foot, and a leg support assembly is provided at one end of the support member;

[0008] The leg support assembly includes a calf support plate 20 and a connecting seat 31, wherein the connecting seat 31 is fixedly connected to the support member and is rotatably connected to one end of the calf support plate 20 via a rotating shaft 28. The calf support plate 20 is used to support the calf, and the rotating shaft 28 is also limited in rotation by a locking mechanism.

[0009] The second flexible fixing member is fixedly mounted on the top of the second protection pad 11 , and is used to constrain the foot on the second protection pad 11 by pressing.

[0010] A further technical solution of the present application is: the leg support assembly also includes a thigh support plate 22, and the thigh support plate 22 is rotatably connected to the end of the calf support plate 20 away from the connecting seat 31 through another rotating shaft 28. The thigh support plate 22 is used to support the thigh, and the rotating shaft 28 is also limited by a locking mechanism.

[0011] The present application provides a further technical solution: the locking mechanism includes a first torsion spring 29, a ratchet 27, a stop pawl 26 and a connecting rod 24; the ratchet 27 is fixedly mounted on the periphery of the rotating shaft 28; the stop pawl 26 is located at one end of the ratchet 27; the stop pawl 26 cooperates with the pawl of the ratchet 27 to limit the rotation of the rotating shaft 28 in the direction in which the pawl is set; the stop pawl 26 is mounted on the connecting rod 24; when the connecting rod 24 drives the stop pawl 26 to be spaced apart from the ratchet 27, the rotating shaft 28 can rotate freely; a first torsion spring 29 is also mounted on the rotating shaft 28; the first torsion spring 29 is used to drive the rotating shaft 28 to rotate in the opposite direction of the pawl setting.

[0012] A further technical solution of the present application is as follows: the end of the connecting rod 24 away from the stopping pawl 26 extends to the connecting seat 31 or the outside of the thigh support plate 22 and is connected to the handle 32, and the connecting rod 24 is rotatably connected to the connecting seat 31 or the thigh support plate 22 between the handle 32 and the stopping pawl 26 through a connecting shaft 25 equipped with a second torsion spring 30.

[0013] A further technical solution of the present application is as follows: a recess 21 for accommodating the connecting line 3 is provided on the side of the calf support plate 20 away from the support surface.

[0014] A further technical solution of the present application is: the first flexible fixing member includes a first strap 8, and a plurality of the first straps 8 are arranged at intervals, and each of the two ends of the first strap 8 is respectively provided with a first locking fitting 13 and a first locking member 14, one end of the first strap 8 is fixedly connected to the first protective pad 12, and after the other end of the first strap 8 passes through the through slot 7 opened in the first protective pad 12, the first locking member 14 and the first locking fitting 13 lock and cooperate to fix the hand on the first protective pad 12.

[0015] A further technical solution of the present application is: the second flexible fixing member includes a second strap 10, and the second strap 10 is provided with a plurality of straps, which are respectively arranged on both sides of the second protective pad 11. The top surface of the second strap 10 on one side of the second protective pad 11 is provided with a second locking fitting 17, and the bottom surface of the second strap 10 on the other side of the second protective pad 11 is provided with a second locking fitting 18. The second locking fitting 17 and the second locking fitting 18 are detachably fixedly connected.

[0016] A further technical solution of the present application is as follows: the first flexible fixing member and the second flexible fixing member both include a flexible sleeve 9, and the flexible sleeve 9 is an elastic silicone sleeve.

[0017] A further technical solution of the present application is as follows: the first counterweight base 1 is provided with a replacement port 2 for replacing the counterweight object.

[0018] A further technical solution of the present application is as follows: the foot fixing member further includes a second counterweight base 15 , and the second counterweight base 15 is detachably connected to the bottom of the support coil 4 .

[0019] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0020] The present invention fixes the hands and feet respectively by arranging a hand fixing mechanism and a foot fixing mechanism, so that the hands and feet can be fixed to the supporting coil respectively, and the fixing is fast and effective, avoiding the imaging effect being affected by shaking; the positions of the hand fixing mechanism and the foot fixing mechanism are adjustable, which improves the flexibility of use, and the provided counterweights improve the stability of the hand fixing mechanism and the foot fixing mechanism. Using rice as a counterweight filler also helps the hands and feet to fit the coil, and also helps to improve the imaging effect, avoiding the problem of affecting the inspection result due to the hands or feet not fitting the coil during the inspection.

[0021] The present invention provides support for the legs by setting up a leg support assembly, avoiding the movement of the footboard affecting the imaging effect due to the gravity of the calf and thigh or the patient's physical exhaustion pressing down the calf support plate and the thigh support plate. The angles of the calf support plate and the thigh support plate are adjustable and locked by a locking mechanism. The position of the calf support plate and the thigh support plate can improve the applicability of the leg support assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional schematic diagram of a hand fixing mechanism in an auxiliary device for a magnetic resonance scanning coil provided by the present invention;

[0023] Figure 2 A partial three-dimensional schematic diagram of a foot fixing mechanism in an auxiliary device for a magnetic resonance scanning coil provided by the present invention;

[0024] Figure 3 A side view of a foot fixing mechanism in an auxiliary device for a magnetic resonance scanning coil provided by the present invention;

[0025] Figure 4 for Figure 3 A magnified schematic diagram of point A in the middle;

[0026] Figure 5 A schematic structural diagram of a locking mechanism in an auxiliary device for a magnetic resonance scanning coil provided by the present invention;

[0027] Figure 6 This is a schematic structural diagram of a flexible sleeve in an auxiliary device for a magnetic resonance scanning coil provided by the present invention.

[0028] Explanation of the numbers in the schematic diagram:

[0029] 1. First counterweight base; 2. Replacement port; 3. Connecting wire; 4. Support coil; 5. Covering coil; 6. Through hole; 7. Through slot; 8. First strap; 9. Flexible sleeve; 10. Second strap; 11. Second protective pad; 12. First protective pad; 13. First locking fitting; 14. First locking member; 15. Second counterweight base; 16. Covering protective pad; 17. Second locking fitting; 18. Second locking member; 20. Calf support plate; 21. Gap; 22. Thigh support plate; 24. Connecting rod; 25. Connecting shaft; 26. Stop pawl; 27. Ratchet; 28. Rotating shaft; 29. ​​First torsion spring; 30. Second torsion spring; 31. Connecting seat; 32. Handle. DETAILED DESCRIPTION

[0030] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. The present invention is further described below in conjunction with the embodiments.

[0031] See also Figures 1 to 6In one embodiment of the present application, an auxiliary device for a magnetic resonance scanning coil is provided, the auxiliary device comprising a hand fixing mechanism and a foot fixing mechanism, the hand fixing mechanism and the foot fixing mechanism both comprising a support coil 4 and a connecting wire 3, the support coil 4 being connected to the magnetic resonance scanner via the connecting wire 3, the connecting wire 3 being located at the center of the support coil 4 to improve the imaging effect; the covering member is provided with two and respectively arranged on both sides of the support coil 4, each of the covering members is provided with a through hole 6 for a binding rope to pass through, the binding rope is used to wrap the covering member around the hand or foot, the covering member is made of a flexible material, the covering member comprises a covering coil 5 and a covering protective pad 16, the covering coil 5 is connected to the side of the support coil 4, the covering coil 5 and the support coil 4 are both connected to the magnetic resonance scanner via the connecting wire 3, the covering protective pad 16 is connected to the side of the first protective pad 12;

[0032] The hand fixing mechanism further includes a first counterweight base 1, a first protective pad 12, and a first flexible fixing member. The first protective pad 12 is fixedly connected to the top of the support coil 4, and the first flexible fixing member is fixedly connected to the top of the first protective pad 12. The first flexible fixing member is used to constrain the hand on the first protective pad 12 by pressing. The first counterweight base 1 is detachably connected to the bottom of the support coil 4, and the first counterweight base 1 is filled with a counterweight.

[0033] In this embodiment, the counterweight filled in the first counterweight base 1 is sand or rice, which is helpful for imaging; the first counterweight base 1 is provided with a replacement port 2 for replacing the counterweight, and the replacement port 2 can be closed by a zipper, pasting or bundling, etc., which is not limited by the present invention.

[0034] In the present invention, the first flexible fixing member includes a first strap 8, and a plurality of the first straps 8 are arranged at intervals. The two ends of each first strap 8 are respectively provided with a first locking fitting 13 and a first locking fitting 14. One end of the first strap 8 is fixedly connected to the first protective pad 12. After the other end of the first strap 8 passes through the through slot 7 opened in the first protective pad 12, the first locking fitting 14 and the first locking fitting 13 are locked and matched to fix the hand on the first protective pad 12.

[0035] It is necessary to explain that the first locking member 14 and the first locking fitting member 13 are the fleecy side and the hook side of Velcro, and the end position of the first strap 8 is fixed by the fleecy side sticking to the hook side.

[0036] In the present invention, the foot fixing mechanism further includes a second flexible fixing member and a second protective pad 11. The second protective pad 11 is located on top of the support coil 4. The second protective pad 11 and the support coil 4 form a support member for placing the foot. One end of the support member is provided with a leg support assembly.

[0037] The leg support assembly includes a calf support plate 20 and a connecting seat 31, wherein the connecting seat 31 is fixedly connected to the support member and is rotatably connected to one end of the calf support plate 20 via a rotating shaft 28. The calf support plate 20 is used to support the calf, and the rotating shaft 28 is also limited in rotation by a locking mechanism.

[0038] The second flexible fixing member is fixedly mounted on the top of the second protection pad 11 , and is used to constrain the foot on the second protection pad 11 by pressing.

[0039] In this embodiment, the second flexible fixing member includes a second strap 10, and the second strap 10 is provided with a plurality of straps, which are respectively arranged on both sides of the second protective pad 11. The top surface of the second strap 10 on one side of the second protective pad 11 is provided with a second locking fitting 17, and the bottom surface of the second strap 10 on the other side of the second protective pad 11 is provided with a second locking fitting 18. The second locking fitting 17 and the second locking fitting 18 are detachably fixedly connected.

[0040] It is necessary to explain that the second locking fitting 17 and the second locking member 18 are the fleecy side and the hook side of Velcro, and the end position of the second strap 10 is fixed by the fleecy side sticking to the hook side.

[0041] In the present invention, the first strap 8 and the second strap 10 can be flexible members such as straps or ropes in the prior art.

[0042] In one aspect of this embodiment, the first flexible fixing member and the second flexible fixing member both include a flexible sleeve 9, which is an elastic silicone sleeve. The elasticity of the silicone sleeve restricts the movement of the hand or foot.

[0043] In another aspect of this embodiment, the flexible sleeve 9 is a flexible foam sleeve, which restricts the movement of the hands or feet through the flexible foam.

[0044] In this embodiment, the leg support assembly also includes a thigh support plate 22, which is rotatably connected to the end of the calf support plate 20 away from the connecting seat 31 through another rotating shaft 28. The thigh support plate 22 is used to support the thigh, and the rotating shaft 28 is also limited by a locking mechanism.

[0045] In order to lock the angle of the calf support plate 20 or the thigh support plate 22, in this embodiment, the locking mechanism includes a first torsion spring 29, a ratchet 27, a stop pawl 26 and a connecting rod 24. The ratchet 27 is fixedly mounted on the periphery of the rotating shaft 28, and the stop pawl 26 is located at one end of the ratchet 27. The stop pawl 26 limits the rotation of the rotating shaft 28 in the direction of the pawl setting by interfering with the pawl of the ratchet 27. In this embodiment, the pawl is set clockwise, and the stop pawl 26 is installed on the connecting rod 24. When the connecting rod 24 drives the stop pawl 26 to be spaced apart from the ratchet 27, the ratchet 27 loses contact, so that the rotating shaft 28 can rotate freely; a first torsion spring 29 is also installed on the rotating shaft 28, and the first torsion spring 29 is used to drive the rotating shaft 28 to rotate in the opposite direction of the pawl setting.

[0046] To facilitate unlocking, the end of the connecting rod 24 away from the stopping pawl 26 extends to the connecting seat 31 or the outside of the thigh support plate 22 and is connected to the handle 32. The connecting rod 24 is rotatably connected to the connecting seat 31 or the thigh support plate 22 between the handle 32 and the stopping pawl 26 through a connecting shaft 25 equipped with a second torsion spring 30; by tossing the handle, the stopping pawl 26 is driven to move toward or away from the ratchet 27.

[0047] In this embodiment, a recess 21 for accommodating the connecting wire 3 is formed on a side of the calf support plate 20 away from the support surface.

[0048] To improve imaging effects, the foot fixture further includes a second counterweight base 15, which is detachably connected to the bottom of the support coil 4. To facilitate the use of the support coil 4 in multiple scenarios, the support coil 4 is detachably connected to the second counterweight base 15 or the first counterweight base 1. It is important to note that the detachable connection between the support coil 4 and the second counterweight base 15 or the first counterweight base 1 can be by means of Velcro or binding straps, etc., and the present invention is not limited thereto.

[0049] The present invention is implemented as follows: the hands are sequentially passed through a plurality of first straps 8 and then placed on the first protective pad 12. After tightening the first strap 8, the first locking member 14 is engaged with the first locking fitting 13, so that the first strap 8 fixes the palm and arm to the first protective pad 12; the feet are placed on the second protective pad 11, and then the feet are fixed to the second protective pad 11 by the cooperation of the second locking member 18 and the second locking fitting 17. A weight is filled in the second strap 10 so that the feet can be adhered to the second protective pad 11 to avoid shaking. The patient then places their calf on the calf support plate 20, bends their knees, places their thigh on the thigh support plate 22, and lies down. A stop pawl 26 is provided to lock the ratchet 27, limiting the rotation of the shaft 28 in the direction of the pawl. This prevents the patient from moving the foot due to the weight of the calf and thigh or due to physical exhaustion, thereby preventing the patient from pressing down on the calf support plate 20 and thigh support plate 22 and affecting the imaging effect. The first torsion spring 29 allows the calf support plate 20 and thigh support plate 22 to respectively support the leg, providing an upward support force for the leg. After securing the foot and hand, the MRI scan is performed.

[0050] It is necessary to explain that the materials in the present invention are all non-metallic materials.

[0051] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by this and, without departing from the purpose of the present invention, designs a structure and embodiment similar to this technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

[0052] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An auxiliary device for a magnetic resonance scanning coil, characterized in that: The auxiliary device comprises a hand fixing mechanism and a foot fixing mechanism, each of which comprises a covering, a support coil (4) and a connecting line (3), wherein the connecting line (3) is located at the center of the support coil (4); two coverings are provided and are respectively arranged on both sides of the support coil (4), each of which is provided with a through hole (6) for a binding rope to pass through, and the binding rope is used to wrap the covering around the hand or foot, the covering is made of a flexible material, and comprises a covering coil (5) and a covering protective pad (16), the covering coil (5) is connected to the side of the support coil (4), the covering coil (5) and the support coil (4) are both connected to the magnetic resonance scanner via the connecting line (3), and the covering protective pad (16) is connected to the side of the first protective pad (12); The hand fixing mechanism further comprises a first counterweight base (1), a first protective pad (12) and a first flexible fixing member, wherein the first protective pad (12) is fixedly connected to the top of the support coil (4), the first flexible fixing member is fixedly connected to the top of the first protective pad (12), and the first flexible fixing member is used to constrain the hand on the first protective pad (12) by pressing; the first counterweight base (1) is detachably connected to the bottom of the support coil (4), and the first counterweight base (1) is filled with a counterweight; The foot fixing mechanism further comprises a second flexible fixing member and a second protective pad (11), wherein the second protective pad (11) is located on the top of the supporting coil (4), and the second protective pad (11) and the supporting coil (4) form a supporting member for placing the foot, and a leg supporting assembly is provided at one end of the supporting member; The leg support assembly comprises a calf support plate (20) and a connecting seat (31), wherein the connecting seat (31) is fixedly connected to the support member, and the connecting seat (31) is rotatably connected to one end of the calf support plate (20) via a rotating shaft (28), wherein the calf support plate (20) is used to support the calf, and the rotating shaft (28) is also limited in rotation by a locking mechanism; The second flexible fixing member is fixedly mounted on the top of the second protection pad (11), and the second flexible fixing member is used to constrain the foot on the second protection pad (11) by pressing.

2. The auxiliary device for a magnetic resonance scanning coil according to claim 1, characterized in that: The leg support assembly also includes a thigh support plate (22), which is rotatably connected to one end of the calf support plate (20) away from the connecting seat (31) through another rotating shaft (28), and the thigh support plate (22) is used to support the thigh, and the rotating shaft (28) is also limited in rotation by a locking mechanism.

3. The auxiliary device for a magnetic resonance scanning coil according to claim 2, characterized in that: The locking mechanism comprises a first torsion spring (29), a ratchet (27), a stop pawl (26) and a connecting rod (24); the ratchet (27) is fixedly sleeved on the periphery of the rotating shaft (28); the stop pawl (26) is located at one end of the ratchet (27); the stop pawl (26) cooperates with the pawl of the ratchet (27) to limit the rotating shaft (28) from rotating in the direction in which the pawl is set; the stop pawl (26) is mounted on the connecting rod (24); when the connecting rod (24) drives the stop pawl (26) to be spaced apart from the ratchet (27), the rotating shaft (28) can rotate freely; and a first torsion spring (29) is also mounted on the rotating shaft (28); the first torsion spring (29) is used to drive the rotating shaft (28) to rotate in the opposite direction to the setting of the pawl.

4. The auxiliary device for a magnetic resonance scanning coil according to claim 3, characterized in that: The end of the connecting rod (24) away from the stop pawl (26) extends to the outside of the connecting seat (31) or the thigh support plate (22) and is connected to the handle (32). The connecting rod (24) is rotatably connected to the connecting seat (31) or the thigh support plate (22) between the handle (32) and the stop pawl (26) through a connecting shaft (25) equipped with a second torsion spring (30).

5. The auxiliary device for a magnetic resonance scanning coil according to claim 1, characterized in that: A clearance groove (21) for accommodating the connection line (3) is provided on a side of the calf support plate (20) away from the support surface.

6. The auxiliary device for a magnetic resonance scanning coil according to claim 1, characterized in that: The first flexible fixing member comprises a first strap (8), a plurality of the first straps (8) are arranged at intervals, and a first locking fitting (13) and a first locking member (14) are respectively arranged at both ends of each of the first straps (8). One end of the first strap (8) is fixedly connected to the first protective pad (12), and after the other end of the first strap (8) passes through the through slot (7) formed in the first protective pad (12), the first locking member (14) and the first locking fitting (13) are locked and matched to fix the hand on the first protective pad (12).

7. The auxiliary device for a magnetic resonance scanning coil according to claim 1, characterized in that: The second flexible fixing member comprises a second strap (10), wherein the second strap (10) is provided with a plurality of straps, and the plurality of straps are respectively arranged on both sides of the second protective pad (11), the top surface of the second strap (10) on one side of the second protective pad (11) is provided with a second locking fitting (17), and the bottom surface of the second strap (10) on the other side of the second protective pad (11) is provided with a second locking fitting (18), and the second locking fitting (17) and the second locking fitting (18) are detachably fixedly connected.

8. The auxiliary device for a magnetic resonance scanning coil according to claim 1, characterized in that: The first flexible fixing member and the second flexible fixing member both include a flexible sleeve (9), and the flexible sleeve (9) is an elastic silicone sleeve.

9. The auxiliary device for a magnetic resonance scanning coil according to claim 1, characterized in that: The first counterweight base (1) is provided with a replacement opening (2) for replacing the counterweight object.

10. The auxiliary device for a magnetic resonance scanning coil according to claim 9, characterized in that: The foot fixing member further comprises a second counterweight base (15), and the second counterweight base (15) is detachably connected to the bottom of the support coil (4).

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