LU102446B1 - A nuclear magnetic resonance ankle coil device. - Google Patents

A nuclear magnetic resonance ankle coil device. Download PDF

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Publication number
LU102446B1
LU102446B1 LU102446A LU102446A LU102446B1 LU 102446 B1 LU102446 B1 LU 102446B1 LU 102446 A LU102446 A LU 102446A LU 102446 A LU102446 A LU 102446A LU 102446 B1 LU102446 B1 LU 102446B1
Authority
LU
Luxembourg
Prior art keywords
shell
plate
side plate
magnetic resonance
nuclear magnetic
Prior art date
Application number
LU102446A
Other languages
French (fr)
Inventor
Hui Yao
Yuting Wen
Liangju Liu
Qi Ll
Xuelin Pan
Zhenlin Ll
Deying Wen
Original Assignee
West China Hospital Sichuan Univ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by West China Hospital Sichuan Univ filed Critical West China Hospital Sichuan Univ
Priority to LU102446A priority Critical patent/LU102446B1/en
Application granted granted Critical
Publication of LU102446B1 publication Critical patent/LU102446B1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6829—Foot or ankle
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means

Abstract

The invention discloses a nuclear magnetic resonance ankle joint coil device, which comprises a fixing part and a coil part, wherein the fixing part is adapted to the middle part of the human shank, and it is rotationally connected with the coil part, the fixing part is communicated with the inner cavity of the coil part, the rotation angle of the coil part is -50° to 50°. the coil part comprises a shell and the coil unit is arrange inside the shell, the shell comprises a first shell and a second shell, wherein the inner cavity of the first shell is adapted to the lower part of the human shank, the inner cavity of the second shell is adapted to the sole of human body, the first shell is hinged with the second shell, the included angle formed by the first shell and the second shell is 55°-150°.

Description

DESCRIPTION A nuclear magnetic resonance ankle cotl device
TECHNICAL FIELD The invention relates to the technical field of nuclear magnetic resonance imaging, in particular to a nuclear magnetic resonance ankle coil device.
BACKGROUND In the medical field, after joint injury. MRI system is usually used for scanning. After the invention of large-scale MRI equipment. MRI equipment for specific parts of human body. such as head MRI coil. wrist MRI coil, ankle MRI coil, ete. has appeared. For ankle MRI coil, it is divided into flexible MRI coil and special MRI cotl. The signal of toe part can not be obtained by using flexible MRI coil. In general, the ankle of normal people can extend back 26°-27°, plantar flexion 40°-45°. varus 30° and valgus 30°-50°. However, the scanning result of special MRI coil is that the sole of the foot is at a certain angle with the ankle. which can not satisfy the diagnosis of the patient's condition under a specific angle of dorsiflexion or plantar flexion. varus or valgus.
SUMMARY The invention aims to provide a nuclear magnetic resonance ankle coil device, which can scan the ankle of a patient under different dorsiflexion. plantarflexion. varus and valgus angles, and is convenient for diagnosing the injury. In order to achieve the above purpose. the invention is realized by adopting the following technical scheme:
? LU102446 The invention discloses a nuclear magnetic resonance ankle joint coil device. which comprises a fixing part and a coil part. wherein the fixing part is adapted to the middle part of the human shank. and it is rotationally connected with the coil part. the fixing part is communicated with the inner cavity of the coil part, the rotation angle of the coil part is -50° to 50°, the coil part comprises a shell and the coil unit is arrange inside the shell, the shell comprises a first shell and a second shell. wherein the inner cavity of the first shell is adapted to the lower part of the human shank. the inner cavity of the second shell is adapted to the sole of human body, the first shell is hinged with the second shell, the included angle formed by the first shell and the second shell is 55°-150°. Preferably. the first shell comprises a first bottom plate. a first side plate and a first top plate. wherein the first top plate comprises a front plate and a rear plate. the front plate is located at the end of the first top plate far from the sole of the foot, and the rear plate is located at the other end of the first top plate. the front plate is made of rigid material and the rear plate is made of flexible material. which is fixedly connected with the rear plate and slidably connected with the first side plate.
Preferably. the second shell comprises a second bottom plate, a second side plate and a second top plate, wherein the second top plate is fixedly connected with the rear plate. the second side plate is slidably connected with the second side plate. the first side plate and the second side plate are slidably connected through a rotating shaft. and the first shell is located in the inner cavity of the second shell near the sole ol the foot.
Preferably. a first angle sensor is arranged between the fixing part and the coil part, and a second angle sensor is arranged between the first shell and the second shell. and the first angle sensor and the second angle sensor are electrically connected with the control center respectively.
Preferably. the overlapping part of the first side plate and the second side plate has a strong friction structure. Preferably. the device further comprising a driving motor, wherein the driving motor is in transmission connection with the second shell through a transmission device. and the first shell and the second shell are provided with limiting devices, so that the included angle betwcen the first shell and the second shell is controlled to be 55°-150°. Preferably, the driving motor is a motor which can rotate forward and backward, and the driving motor is electrically connected with the control center. Preferably. the first side plate and the second side plate are made of rigid materials, the first side plate is fixedly connected with the front plate. the second side plate is fixedly connected with the second bottom plate, the first side plate is detachably connected with the first bottom plate, and connectors are arranged on the contact surfaces of the first side plate and the second bottom plate. Preferably, coil units are arranged in the first side plate, the first top plate, the front plate, the rear plate, the second bottom plate. the second side plate and the second top plate, and a handle is arranged on the second shell. Preferably. the rear plate is wave-shaped extending along the tibia direction. The invention has the beneficial effects that: 1, The invention can scan the ankle of a patient under different dorsiflexion, plantarflexion. varus and valgus angles. which is convenient for judging the injury.
2. The invention can feed back the dorsiflexion. plantar flexion, varus and valgus angles of the ankle.
3. The invention has high signal coverage and the effect of the nuclear magnetic resonance image is good.
DESCRIPTION OF THE FIGURES Fig. 1 is a schematic diagram of embodiment 1 of the present invention. Fig. 2 is a schematic diagram of embodiment 2 of the present invention. Wherein: 101- front plate, 102- rear plate. 103- first side plate. 104- first bottom plate, 201- second top plate, 202- second side plate, 203- second bottom plate. 3- transmission device. 4- driving motor, 5- rotating shaft. 6- handie and 7- fixing part.
DESCRIPTION OF THE INVENTION In order to make the object. technical scheme and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying figures. As shown in Fig. 1. embodiment 1 comprises a fixing part 7 and a coil part, wherein the fixing part 7 is adapted to the middle part of human shank. is rotationally connected with the coil part. penetrates through the inner cavity of the coil part, and has a rotating angle of-50° to 50°, the coil part comprises a shell and the coil unit is arrange inside the shell, the shell comprises a first shell and a second shell, wherein the inner cavity of the first shell is adapted to the lower part of the human shank. the inner cavity of the second shell is adapted to the sole of human body. the first shell is hinged with the second shell, and the first shell and the second shell are provided with limiting devices to control the included angle between the first shell and the second shell to be 55°-150°.
) LU102446 The first shell comprises a first bottom plate 104, à first side plate 103 and a first top plate, wherein the first top plate comprises a front plate 101 and a rear plate 102. and the front plate 101 is located at the end of the first top plate far from the sole of the foot, and the rear plate 102 is located at the other end of the first top plate, the front plate 101 is made of rigid material and the rear plate 102 is made of flexible material.
The front plate 101 is fixedly connected with the rear plate 102 which is slidably connected with the first side plate 103. The second shell includes a second bottom plate 203, a second side plate 202 and a second top plate 201, the second top plate 201 is fixedly connected with the rear plate 102, the second side plate 202 is slidably connected with the second side plate 202, the first side plate 103 and the second side plate 202 are slidably connected through the rotating shaft 5, the first shell is located in the inner cavity of the second shell near the sole of the foot. and a first angle sensor is arranged between the fixing part 7 and the coil part, and a second angle sensor is arranged between the first shell and the second shell. which are clectrically connected with the control center respectively.
The overlapping parts of the first side plate 103 and the second side plate 202 are of strong friction structure. and the first side plate 103 and the second side plate 202 are made of rigid materials.
The first side plate 103 is fixedly connected with the front plate 101, the second side plate 202 is fixedly connected with the second bottom plate 203, and the first side plate 103 is detachably connected with the first bottom plate 104. A connector is arranged at the contact surface between the first side plate 103 and the second bottom plate 203. Coil units are arranged in the first side plate 103, the first top plate. the front plate 101. the rear plate 102. the second bottom plate 203, the second side plate 202 and the second top plate 201, and a handle 6 is arranged on the second shell.
As shown in Fig. 2, embodiment 2 comprises a fixing part 7 and a fixing part and a coil part, wherein the fixing part 7 is adapted to the middle part of the human shank, and it is rotationally connected with the coil part, the fixing part is communicated with the inner cavity of the coil part, the rotation angle of the coil part is -50° to 50°, the coil part comprises a shell and the coil unit is arrange inside the shell, the shell comprises a first shell and a second shell, wherein the inner cavity of the first shell is adapted to the lower part of the human shank, the inner cavity of the second shell is adapted to the sole of human body, the first shell is hinged with the second shell, and the first shell and the second shell are provided with limiting devices to control the included angle between the first shell and the second shell to be 55°-150°, The first shell includes a first bottom plate 104, a first side plate 103 and a first top plate including a front plate 101 and a rear plate 102, and the front plate 101 is located at the end of the first top plate far from the sole of the foot, and the rear plate 102 is located at the other end of the first top plate, the front plate 101 is made of rigid material and the rear plate 102 is made of flexible material.
The front plate 101 is fixedly connected with the rear plate 102 which is slidably connected with the first side plate 103. The second shell comprises a second bottom plate 203, a second side plate 202 and a second top plate 201, wherein the second top plate 201 is fixedly connected with the rear plate 102 and the second side plate 202 is slidably connected with the second side plate 202. The first side plate 103 and the second side plate 202 are slidably connected through the rotating shaft 5, the first shell is located in the inner cavity of the second shell near the sole of the foot,
’ LU102446 a first angle sensor is arranged between the fixing part 7 and the coil part, and a second angle sensor is arranged between the first shell and the second shell.
The first angle sensor and the second angle sensor are electrically connected with the control center respectively, and the angle sensor further comprises a driving motor 4 which is in transmission connection with the second shell through a transmission device 3, and the driving motor 4 is a motor which can rotate forward and backward.
The driving motor 4 is electrically connected to the control center.
The first side plate 103 and the second side plate 202 are made of rigid materials.
The first side plate 103 is fixedly connected to the front plate 101, the second side plate 202 is fixedly connected to the second top plate 201, the second side plate 202 is fixedly connected to the second bottom plate 203. The first side plate 103 is detachably connected with the first bottom plate 104, connectors are arranged on the contact surfaces of the first side plate 103 and the second bottom plate 203, and coil units are arranged in the first side plate 103, the first top plate, the front plate 101, the rear plate 102, the second bottom plate 203, the second side plate 202 and the second top plate 201. In actual use. the patient lies on the bed first, installs the fixing part 7 in the middle of the patient's shank and fixes it with the patient's shank, then installs the coil part, places the first bottom plate 104 under the ankle and shank, assembles the rest of the invention with the first bottom plate 104 to cover the patient's ankle, changes the angle of the first shell and the second shell by controlling the motor or manually, and can change the angle of the patient's varus or valgus at the same time, and feeds back the motion angle of the patient's ankle through the first angle sensor and the second angle sensor.
In addition, there are many other embodiments of the present invention.
Without departing from the spirit and essence of the present invention, those technicians in the field can make various corresponding changes and modifications according to the present invention, but these corresponding changes and modifications shall belong to the protection scope of the appended claims.

Claims (10)

1. A nuclear magnetic resonance ankle coil device, characterized by comprising: a fixing part and a fixing part and a coil part. wherein the fixing part is adapted to the middle part of the human shank, and it is rotationally connected with the coil part. the fixing part is communicated with the inner cavity of the coil part, the rotation angle of the coil part is -50° to 50°, the coil part comprises a shell and the coil unit is arrange inside the shell. the shell comprises a first shell and a second shell. wherein the inner cavity of the first shell is adapted to the lower part of the human shank, the inner cavity of the second shell is adapted to the sole of human body. the first shell is hinged with the second shell. the included angle formed by the first shell and the second shell is 55°-150°,
2. The nuclear magnetic resonance ankle coil device according to claim 1, characterized in that the first shell comprises a First bottom plate, a first side plate and a first top plate. wherein the first top plate comprises a front plate and a rear plate, the front plate is located at the end of the first top plate far from the sole of the foot, and the rear plate is located at the other end of the first top plate, the front plate is made of rigid material and the rear plate is made of flexible material. which is fixedly connected with the rear plate and slidably connected with the first side plate.
3. The nuclear magnetic resonance ankle coil device according to claim 2, characterized in that the second shell comprises a second bottom plate, a second side plate and a second top plate, wherein the second top plate is fixedly connected with the rear plate, the second side plate is slidably connected with the second side plate, the first side plate and the second side plate are slidably connected through a rotating shaft. and the first shell is located in the inner cavity of the second shell near the sole of the foot.
4, The nuclear magnetic resonance ankle coil device according to claim 3. characterized in that a first angle sensor is arranged between the fixing part and the coil part. and a second angle sensor is arranged between the first shell and the second shell, and the first angle sensor and the second angle sensor are electrically connected with the control center respectively.
5. The nuclear magnetic resonance ankle coil device according to claim 4, characterized in that the overlapping part of the first side plate and the second side plate has a strong friction structure.
6. The nuclear magnetic resonance ankle coil device according to claim 4, characterized by further comprising a driving motor, wherein the driving motor is in transmission connection with the second shell through a transmission device, and the first shell and the second shell are provided with limiting devices. so that the included angle between the first shell and the second shell is controlled to be 55°-150°.
7. The nuclear magnetic resonance ankle coil device according to claim 6. characterized in that the driving motor is a motor which can rotate forward and backward, and the driving motor is electrically connected with the control center.
8. The nuclear magnetic resonance ankle coil device according to claim 3, characterized in that the first side plate and the second side plate are made of rigid materials, the first side plate is fixedly connected with the front plate, the second side plate is fixedly connected with the second bottom plate, the first side plate is detachably connected with the first bottom plate, and connectors are arranged on the contact surfaces of the first side plate and the second bottom plate.
9. The nuclear magnetic resonance ankle coil device according to claim 3, characterized in that coil units are arranged in the first side plate, the first top plate, the front plate, the rear plate, the second bottom plate. the second side plate and the second top plate, and a handle is arranged on the second shell.
10. The nuclear magnetic resonance ankle coil device according to claim 2, characterized in that the rear plate is wave-shaped extending along the tibia direction,
LU102446A 2021-01-26 2021-01-26 A nuclear magnetic resonance ankle coil device. LU102446B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
LU102446A LU102446B1 (en) 2021-01-26 2021-01-26 A nuclear magnetic resonance ankle coil device.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU102446A LU102446B1 (en) 2021-01-26 2021-01-26 A nuclear magnetic resonance ankle coil device.

Publications (1)

Publication Number Publication Date
LU102446B1 true LU102446B1 (en) 2021-08-11

Family

ID=77226458

Family Applications (1)

Application Number Title Priority Date Filing Date
LU102446A LU102446B1 (en) 2021-01-26 2021-01-26 A nuclear magnetic resonance ankle coil device.

Country Status (1)

Country Link
LU (1) LU102446B1 (en)

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Date Code Title Description
FG Patent granted

Effective date: 20210811