CN-121987181-A - Integrated two side ankle joint magnetic resonance coil of ankle fixing function

CN121987181ACN 121987181 ACN121987181 ACN 121987181ACN-121987181-A

Abstract

The invention belongs to the technical field of magnetic resonance coils, in particular to an integrated double-side ankle joint magnetic resonance coil integrating ankle fixing function, which comprises a magnetic resonance coil and a coil plate, wherein the magnetic resonance coil is fixedly connected in the coil plate, foot plates are connected to the coil plate in a sliding manner, width adjusting plates are respectively connected to two sides of the coil plate in a sliding manner, two fixing frames are fixedly connected to the foot plates, double-threaded rods are rotatably connected to the fixing frames, two threads on the double-threaded rods are opposite, a doctor can rotate the double-threaded rods adaptively according to the foot size of a patient to be detected, the double-threaded rods can synchronously drive the two width adjusting plates to be close to or far away from each other through two groups of length adjusting assemblies, the positions of the two width adjusting plates are fixed on the coil plate after adjustment, the two width adjusting plates are clamped and fixed on feet of the patient, the positions of the foot plates are adjusted to adapt to the foot plates of different patients, and the positions of the foot plates are adjusted to the foot plates of different patients through length adjusting assemblies.

Inventors

SHANG FENG
YANG JIAQIANG
GU WENHAI

Assignees

凯思轩达医疗科技无锡有限公司
通用环球医疗技术服务(天津)有限公司

Dates

Publication Date: 20260508
Application Date: 20260127

Claims (10)

1. The integrated double-side ankle joint magnetic resonance coil integrating the ankle fixing function is characterized by comprising a magnetic resonance coil and a coil plate, wherein the magnetic resonance coil is fixedly connected in the coil plate, a pedal plate is connected to the coil plate in a sliding mode, two sides of the coil plate are respectively and slidably connected with a width adjusting plate, two fixing frames are fixedly connected to the pedal plate, a double-threaded rod is rotatably connected to the fixing frames, two threads on the double-threaded rod are opposite, a rotary table is fixedly connected to the double-threaded rod, a length adjusting assembly is arranged on one side, close to the double-threaded rod, of the width adjusting plate, and the length adjusting assembly is used for connecting the width adjusting plate with the double-threaded rod and adjusting the position of the pedal plate.
2. The integrated bilateral ankle magnetic resonance coil integrating ankle fixation function according to claim 1, wherein the length adjusting assembly comprises a length adjusting plate, a length adjusting hole and a first bolt, the length adjusting plate is connected to one end of the width adjusting plate, which is close to a pedal, two ends of a double-threaded rod are respectively connected to the two length adjusting plates in a threaded mode, the length adjusting holes are formed in the length adjusting plate, and the first bolt is connected to the width adjusting plate and the length adjusting plate in a threaded mode.
3. The integrated bilateral ankle joint magnetic resonance coil integrating ankle fixing functions according to claim 1, wherein an arc-shaped plate is fixedly connected to one side of the width adjusting plate, which is close to the foot pedal, and is connected to the coil plate in a sliding mode, and a telescopic plate is connected to the bottom of the arc-shaped plate in a sliding mode through a first elastic piece.
4. The integrated bilateral ankle joint magnetic resonance coil integrating ankle fixing functions according to claim 1 is characterized in that a fixing rod is fixedly connected to one side, far away from a pedal, of a width adjusting plate, the fixing rod is connected to a sliding plate in a sliding mode, a second elastic piece is sleeved on the fixing rod and fixedly connected between the sliding plate and the width adjusting plate, and one end, far away from the width adjusting plate, of the fixing rod is connected with an anti-falling bolt through threads.
5. The integrated bilateral ankle magnetic resonance coil integrating ankle fixing functions according to claim 1, wherein two hanging rods are fixedly connected to one end, far away from a pedal plate, of the width adjusting plate, flexible coil strips are arranged on the two hanging rods, and magic tapes are fixedly connected to the hanging rods.
6. The integrated bilateral ankle magnetic resonance coil integrating ankle fixing functions according to claim 3 is characterized in that a fixing plate is arranged at the bottom of a coil plate, two sliding seats are connected to the fixing plate in a sliding mode, a plurality of distance adjusting holes are formed in the fixing plate, second bolts are connected to the fixing plate and the sliding seats in a threaded mode, and an angle adjusting mechanism is arranged between the sliding seats and the coil plate and used for adjusting angles of the coil plate on the sliding seats.
7. The integrated bilateral ankle joint magnetic resonance coil integrating ankle fixing functions according to claim 6, wherein the angle adjusting mechanism comprises a supporting seat, a rotating rod, a rotating roller frame and a positioning assembly, the supporting seat is fixedly connected to a sliding seat, the rotating rod is rotatably connected to the supporting seat, the rotating roller frame is fixedly connected to the rotating rod, the positioning assembly is arranged on the rotating roller frame, and the positioning assembly is used for positioning the rotating roller frame.
8. The integrated bilateral ankle magnetic resonance coil integrating ankle fixation function according to claim 7, wherein the positioning assembly comprises angle holes and a third bolt, a plurality of the angle holes are formed in a roller frame, one end opening of each angle hole is horn-shaped, the third bolt is connected to the supporting seat in a threaded mode, and the third bolt penetrates through the roller frame.
9. The integrated bilateral ankle magnetic resonance coil integrating ankle fixation function according to claim 7, wherein an extension support is fixedly connected to the rotating rod, an extension plate is fixedly connected to the extension support, and an arc-shaped groove is formed in the extension plate.
10. The integrated bilateral ankle magnetic resonance coil integrating ankle fixation function according to claim 9, wherein first memory cotton is fixedly connected to two arc plates, the first memory cotton is located on the cambered surface of the arc plates, second memory cotton is fixedly connected to the extension plate, and the second memory cotton is located on the arc grooves.

Description

Integrated two side ankle joint magnetic resonance coil of ankle fixing function Technical Field The invention belongs to the technical field of magnetic resonance coils, and particularly relates to an integrated bilateral ankle magnetic resonance coil integrating ankle fixing function. Background The magnetic resonance imaging is a medical imaging technology which utilizes strong magnetic field and radio frequency pulse to make hydrogen atomic nucleus in human tissue resonate and receive its released signal, and utilizes computer to process and form anatomical image, and the magnetic resonance coil is a key component of said system, and is not only an antenna for transmitting radio frequency pulse to excite atomic nucleus, but also a detector for receiving weak signal produced in the relaxation process of atomic nucleus, and its performance can directly define signal-to-noise ratio, resolution and scanning speed of image, and according to the different inspection position and purpose, the coil can be designed into various forms and channel number so as to accurately cover target area and can effectively collect signal. The double-side ankle joint magnetic resonance coil is a special surface coil, is generally designed to accommodate the rigidity and the flexibility of two ankles, has an appearance similar to a box-type or bracket-type structure with two parallel holes, and can be fixed by extending two feet into the double-side ankle joint magnetic resonance coil side by side. When the traditional integrated double-side ankle joint magnetic resonance coil is used, a patient lies on the back in a magnetic resonance examination bed, a doctor is assisted to stably put the double feet into two designated foot grooves of the coil, the double-side ankle joint is ensured to be approximately positioned in a central sensitive area of the coil, the feet and the far ends of the lower legs are generally gently restrained by a fixing belt so as to reduce movement artifacts in a scanning process, then an electric interface of the coil is correctly connected with a receiving channel of the scanning bed, in a control room, the doctor selects corresponding double-side ankle joint coil configuration files in a scanning sequence, the system activates related receiving channels and performs necessary pre-scanning calibration, and the coil needs to keep stable positions in the whole scanning process so as to ensure that clear and symmetrical double-side ankle joint images are obtained. When performing the magnetic resonance imaging examination of the bilateral ankle, the above-mentioned conventional single-sized integrated bilateral ankle coil is widely used, and this coil design is suitable for detecting the bilateral ankle of a common size, and it can simultaneously image the bilateral ankle in one scan, thereby reducing the examination time of the patient and improving the efficiency, however, the size of the biped of each person is not uniform, and especially for the patient with the larger and smaller foot size, when using the conventional single-sized coil, it is difficult to adjust the corresponding position for the fixed detection according to the foot size of the patient, thereby easily affecting the image quality. Therefore, the invention provides an integrated bilateral ankle magnetic resonance coil integrating ankle fixation function. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The technical scheme includes that the integrated double-side ankle joint magnetic resonance coil integrating the ankle fixing function comprises a magnetic resonance coil and a coil plate, wherein the magnetic resonance coil is fixedly connected in the coil plate, a pedal plate is connected to the coil plate in a sliding mode, two sides of the coil plate are respectively and slidably connected with a width adjusting plate, two fixing frames are fixedly connected to the pedal plate, a double-threaded rod is connected to the fixing frames in a rotating mode, two threads on the double-threaded rod are opposite, a rotary disc is fixedly connected to the position, close to the center, of the double-threaded rod, and a length adjusting assembly is arranged on one side, close to the double-threaded rod, of the width adjusting plate and used for connecting the double-threaded rod and adjusting the position of the pedal plate. The length adjusting assembly comprises a length adjusting plate, long adjusting holes and a first bolt, wherein the length adjusting plate is connected to one end, close to a pedal, of the width adjusting plate in a sliding mode, two ends of a double-threaded rod are connected to the two length adjusting plates in a threaded mode respectively, the long adjusting holes are formed in the length adjusting plate, and the first bolt is connected to the width adjusting plate and the length adjusting plate in a threaded mode