CN109620230B - Magnetic resonance head and neck fixing device - Google Patents
Magnetic resonance head and neck fixing device Download PDFInfo
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- CN109620230B CN109620230B CN201910061137.0A CN201910061137A CN109620230B CN 109620230 B CN109620230 B CN 109620230B CN 201910061137 A CN201910061137 A CN 201910061137A CN 109620230 B CN109620230 B CN 109620230B
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- 238000005187 foaming Methods 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 2
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- 238000002595 magnetic resonance imaging Methods 0.000 description 2
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- 239000006260 foam Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- 238000009189 magnetic resonance therapy Methods 0.000 description 1
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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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
- A61N2005/1097—Means for immobilizing the patient
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- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The invention discloses a magnetic resonance head and neck fixing device, which comprises a head and neck shoulder cushion plate and a head and neck fixing part; the head and neck fixing part comprises a head and neck thermoplastic film and a clamping block, and the head and neck shoulder cushion plate comprises a head and neck cushion plate and a shoulder cushion plate connected with the head and neck cushion plate; when the head and neck backing plate and the shoulder backing plate are used, the head and neck backing plate is placed in the head and neck combined coil and is attached to the inner surface of the head and neck combined coil; the head and neck backing plate comprises an arc-shaped supporting plate for supporting the head and neck and at least one arc-shaped enclosing plate which is connected to the edge of the arc-shaped supporting plate and extends upwards; the inner surface of each arc-shaped enclosing plate is provided with a locking part for fixing the head and neck thermoplastic films; the shoulder backing plate comprises a shoulder backing plate and an arc-shaped plate, the arc-shaped plate is connected to the edges of the shoulder backing plate and the neck backing plate and forms an accommodating cavity for accommodating the shoulder with the shoulder backing plate; the arc plates positioned at two sides of the head and neck backing plate are connected with mounting plates extending towards the direction of the head and neck backing plate, and the mounting plates are provided with shoulder pressing mechanisms used for pressing the shoulders of the patient.
Description
Technical Field
The invention relates to magnetic resonance auxiliary equipment in the medical field, in particular to a magnetic resonance head and neck fixing device.
Background
Compared with CT, the magnetic resonance imaging has high soft tissue resolution and no radiation, can provide rich anatomical image and functional image information, such as anatomical parts, physiological metabolism, body functions and the like, and is widely applied to the aspects of radiotherapy and tumor differential diagnosis, target area delineation, curative effect prediction and the like at present. With the development of precise radiotherapy, high-quality magnetic resonance image quality and precise positioning are indispensable.
In order to improve the quality and accuracy of magnetic resonance images, a head and neck combined coil is adopted for scanning images, when the head and neck combined coil is adopted for scanning, the head, the shoulder and the neck of a patient do not directly contact with a plastic shell of the combined coil, but lie on a protective pad made of a soft elastic material, and the comfort degree of the head, the shoulder and the neck of the patient can be improved to a certain degree.
However, due to the long time of the magnetic resonance examination, the head and neck of the patient inevitably moves slightly, which affects the quality of the magnetic resonance image; in addition, when a patient performs a reduction treatment after examining a tumor lesion from a scanned image, it is difficult to accurately position the tumor lesion to a position where the tumor lesion is positioned when the image is scanned, which may affect a later treatment effect.
Disclosure of Invention
In view of the above-mentioned deficiencies in the prior art, the magnetic resonance head and neck fixing device provided by the present invention can fix the head of the patient during scanning the image, so as to prevent the patient from shifting during scanning the image.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
the magnetic resonance head and neck fixing device comprises a head and neck shoulder cushion plate and a head and neck fixing part;
the head and neck fixing part comprises a head and neck thermoplastic film and a plurality of clamping blocks clamped at the edge of the head and neck thermoplastic film;
the head and neck shoulder cushion plate comprises a head and neck cushion plate and a shoulder cushion plate which is connected with the head and neck cushion plate into a whole; when the head and neck backing plate and the shoulder backing plate are used, the head and neck backing plate is placed in the head and neck combined coil and is attached to the inner surface of the head and neck combined coil;
the head and neck backing plate comprises an arc-shaped supporting plate for supporting the head and neck and at least one arc-shaped enclosing plate which is connected to the edge of the arc-shaped supporting plate and extends upwards; the inner surface of each arc enclosing plate is provided with a locking part matched with a clamping block at the edge of the head and neck thermoplastic film;
the shoulder backing plate comprises a shoulder backing plate and an arc-shaped plate, the arc-shaped plate is connected to the edges of the shoulder backing plate and the neck backing plate and forms an accommodating cavity for accommodating the shoulder with the shoulder backing plate;
be connected with the mounting panel that extends towards neck backing plate direction on the arc that is located neck backing plate both sides, be equipped with on the mounting panel and be used for compressing tightly the shoulder of patient and press shoulder mechanism.
Further, the locking part comprises a fixed block, the fixed block is locked on the inner surface of the arc-shaped enclosing plate by adopting a locking part, and a strip-shaped groove for clamping the clamping block is formed in the fixed block extending out of the arc-shaped enclosing plate;
the clamping block at the edge of the head and neck thermoplastic film is L-shaped, one end of the clamping block is clamped in the strip-shaped groove, the other end of the clamping block is provided with a clamping groove, and the edge of the head and neck thermoplastic film is clamped in the clamping groove.
Further, the head neck thermoplastic film is fixed with the draw-in groove by interference fit, or the head neck thermoplastic film is fixed by a locking piece after being clamped in the draw-in groove, or the head neck thermoplastic film is placed in the draw-in groove and fixed by viscose.
Further, the shoulder pressing mechanism comprises an arc-shaped shoulder pressing block and a shoulder pressing base which is fixed on the mounting plate and can move along the length direction of the mounting plate, a sliding groove used for adjusting the distance between the top surface of the arc-shaped shoulder pressing block and the mounting plate is formed in the arc-shaped shoulder pressing block, and the arc-shaped shoulder pressing block is fixed on the shoulder pressing base through a locking piece penetrating through the sliding groove.
Further, the mounting panel is L shape, all sets up the mounting hole of a plurality of mutual intercommunications on its two lateral walls of mutually perpendicular, presses the shoulder base to pass through the retaining member and installs on the vertical lateral wall of mounting panel, and arc pressure shoulder piece lower extreme passes the mounting hole of another lateral wall of mounting panel.
Furthermore, scale marks are arranged on the arc-shaped shoulder pressing blocks and the vertical side walls of the mounting plates.
Further, the magnetic resonance head and neck fixing device further comprises a shoulder fixing part, wherein the shoulder fixing part comprises a shoulder thermoplastic film and a plurality of clamping blocks clamped on the shoulder thermoplastic film; the fixture block is installed on the installation plate through the shoulder positioning mechanism and can move along the length direction of the installation plate.
Furthermore, the shoulder positioning mechanism comprises a shoulder positioning seat, a sliding block and a shoulder pressure rod, and the shoulder positioning seat is locked in the mounting hole of the vertical side wall of the mounting plate through a locking piece; the shoulder positioning seat back to the head and neck pad side is provided with a strip-shaped groove;
the shoulder pressure lever is matched with the mounting hole in the strip-shaped groove through the locking piece and is fixed in the strip-shaped groove; a sliding groove is formed in the shoulder pressure rod, and the sliding block is fixed on the shoulder pressure rod through a locking piece penetrating through the sliding groove; the clamping block at the edge of the shoulder thermoplastic film is arranged in the sliding groove to fix the shoulder thermoplastic film on the shoulder positioning mechanism.
Furthermore, scale marks are arranged on the vertical side wall of the mounting plate and the shoulder pressure rod.
Furthermore, the head, neck and shoulder backing plate is made of aramid fiber.
The invention has the beneficial effects that: the head, neck and shoulder pad plate is placed into the foam rubber/body position fixing bag during magnetic resonance, so that a patient can be stably fixed at the same scanning position, and the quality of radiotherapy magnetic resonance images of the brain and the head and neck is improved.
When the head and neck images of a patient are scanned, the patient lies on the head, neck and shoulder base plate, the scalded head and neck thermoplastic films are laid on the face and the neck of the patient, and then the head and neck thermoplastic films and the head and neck base plate are fixed together, so that the head and neck of the patient are positioned during magnetic resonance;
because neck thermoplasticity membrane can not resume after taking place to warp, it has more obvious human five sense organs profile to go up, the patient is after confirming the focus according to magnetic resonance scanning image, can use the fixing device of this scheme to radiotherapy fixing device on, the concave-convex structure on the foaming adhesive/position fixing bag that adopts according to neck thermoplasticity membrane and magnetic resonance process is adjusted the patient position, thereby the uniformity of position when having guaranteed patient magnetic resonance and radiotherapy, accurate resetting has been guaranteed, the radiotherapy effect has been improved.
Drawings
Fig. 1 is a perspective view of a magnetic resonance head and neck fixation device placed in a combined head and neck coil.
Figure 2 is a perspective view of one embodiment of a magnetic resonance head and neck fixation device.
Fig. 3 is a perspective view of the magnetic resonance head and neck fixing device after the head and neck thermoplastic film is removed.
Fig. 4 is a perspective view of the shoulder pressing mechanism.
Fig. 5 is a perspective view of a shoulder positioning mechanism disposed on one of the mounting plates of the magnetic resonance head and neck fixing device.
Fig. 6 is a perspective view of the shoulder positioning mechanism.
Figure 7 is a perspective view of another embodiment of a magnetic resonance head and neck fixation device.
Fig. 8 is a perspective view of the head and neck thermoplastic film of the CT simulation room head and neck fixation device removed.
Fig. 9 is a perspective view of the head and neck fixing device of the CT simulation room with the head and neck thermoplastic film and the shoulder thermoplastic film.
Fig. 10 is a perspective view of a head, neck and shoulder pad.
Fig. 11 is a perspective view of the locking part and the latch fixed together.
Fig. 12 is a front view of the head and neck fixing part.
Fig. 13 is a side view of the head and neck fixing part.
Wherein, 1, a head, neck and shoulder pad plate; 11. a head and neck backing plate; 111. an arc-shaped supporting plate; 112. an arc enclosing plate; 12. a shoulder pad plate; 121. a shoulder and back support plate; 122. an arc-shaped plate; 13. a locking portion; 131. a fixed block; 1311. a strip-shaped groove; 132. a clamping block; 1321. a card slot; 133. a locking member; 14. mounting a plate; 141. mounting holes;
2. a head and neck thermoplastic film; 3. a head and neck combination coil; 4. a shoulder pressing mechanism; 41. an arc-shaped shoulder pressing block; 411. a chute; 42. a shoulder pressing base; 5. a thermoplastic film for the shoulder portion; 6. a shoulder positioning mechanism; 61. a shoulder positioning seat; 611. a strip-shaped groove; 62. a slider; 63. a shoulder compression bar; 631. a sliding groove; 7. foam/body position fixing bag; 8. a head and neck fixing device of a CT simulation room; 81. a head and neck cushion block; 82. shoulder cushion blocks; 83. and (4) a locking mechanism.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined by the appended claims, and all changes that can be made by the invention using the inventive concept are intended to be protected.
As shown in fig. 1, fig. 2 and fig. 7, the magnetic resonance head and neck fixing device of the present solution includes a head and neck backing plate 1 and a head and neck fixing portion, wherein the head and neck backing plate 1 is a hard shell made of aramid fiber, and has the advantages of light weight, high rigidity, no artifact in MRI scanning and positioning, and the like.
As shown in fig. 12 and fig. 13, the neck fixing portion includes the neck thermoplastic film 2 and a plurality of clipping blocks 132 clipped on the edge of the neck thermoplastic film 2, the shapes of the neck thermoplastic film 2 and the shoulder thermoplastic film 5 shown in all the figures of the present solution are only schematic and not equivalent to the actual product appearance.
When carrying out magnetic resonance, in order to guarantee comfort level and accurate location of patient's head neck shoulder, can place the fixed bag 7 of foamed glue/position in head neck shoulder backing plate 1, in order to form the concave-convex structure with human position matched with on the fixed bag 7 of foamed glue/position during messenger's patient's inspection.
The thermoplastic films (the thermoplastic films comprise a head neck thermoplastic film 2 and a shoulder thermoplastic film 5) adopted by the scheme are common thermoplastic films in the tumor radiotherapy process, are generally softened at a water temperature of 75 ℃, are then applied to the face and the shoulder of a human body, and are solidified at normal temperature to form a three-dimensional structure consistent with the corresponding outline of a patient; when the head and neck thermoplastic film 2 is applied to a patient, gauze is sometimes laid on the human body first to relieve the discomfort of the human body to higher temperature.
Lay the neck thermoplastic film 2 who establishes at patient face and neck after 7 and the heat of the fixed bag of position of the foaming glue of placing in 1 of neck shoulder backing plate of this scheme and heat are scalded because the concave-convex structure of its formation is unanimous with the position when patient scanned the image, position when the patient can be according to the fixed bag of foaming glue/position 7 and the adjustment radiotherapy of neck thermoplastic film 2 during the radiotherapy, position is unanimous when patient's position and magnetic resonance image scan when guaranteeing the radiotherapy, in order to realize accurate reseing, in order to improve the radiotherapy effect.
As shown in fig. 2, 3 and 10, the head and neck shoulder pad plate 1 comprises a head and neck pad plate 11 and a shoulder pad plate 12 integrally connected with the head and neck pad plate 11; when the head and neck backing plate 11 and the shoulder backing plate 12 are used, the head and neck backing plate is placed in the head and neck combined coil 3 and is attached to the inner surface of the head and neck combined coil 3, so that the quality of radiotherapy magnetic resonance images of the brain and the head and neck is improved.
The interior profile of neck backing plate 11 and shoulder backing plate 12 is the same with the interior profile size of neck cushion 81 and shoulder cushion 82 of CT simulation room neck fixing device 8, the polystyrene foam/position of using in the magnetic resonance scanning process is fixed bag 7 and neck thermoplastic film 2 can directly be placed and fix the position of patient at CT simulation room neck fixing device 8, the patient all is in same position when can guaranteeing two kinds of equipment scans like this, can improve the quality of scanning image through the combination of two kinds of equipment, in order to ensure the accurate location of patient's focus.
In addition, the head and neck fixing device 8 in the CT simulation room can be directly placed in radiotherapy equipment to position a patient, so that after the inner contours of the head and neck cushion plate 11 and the shoulder cushion plate 12 are set to be the same as those of the head and neck cushion block 81 and the shoulder cushion block 82, the foam rubber/body position fixing bag 7 and the head and neck thermoplastic film 2 can be directly applied to the head and neck fixing device 8 in the CT simulation room during the treatment of reduction, so as to realize the accurate reduction in the radiotherapy process of the patient. The specific structure of the head and neck fixing device 8 of the CT simulation room can refer to fig. 8 and 9.
As shown in fig. 3, the cervical splint 11 includes an arc-shaped supporting plate 111 for supporting the cervical part and at least one arc-shaped surrounding plate 112 connected to the edge of the arc-shaped supporting plate and extending upward; the inner surface of each arc enclosing plate 112 is provided with a locking part 13 for fixing the head neck thermoplastic film 2.
The mounting positions of the locking portions 13 on the neck backing plate 11 and the shoulder backing plate 12 correspond to the mounting positions of the locking mechanisms 83 on the neck backing block 81 and the shoulder backing block 82, so as to ensure that the clamping positions of the neck thermoplastic films 2 are also consistent.
The width between the two side edges of the arc-shaped supporting plate is gradually increased from the bottom to the side of the arc-shaped enclosing plate 112 so as to be generally suitable for the curve change of the hindbrain part of a human body; the inner cavities formed by all the arc enclosing plates 112 and the arc supporting plates 111 support and enclose other parts of the head and neck of the human body except the face on the back, so that the stable limit of the head and neck is ensured.
As shown in fig. 2 and 11, the locking portion 13 includes a fixing block 131, the fixing block 131 is locked on the inner surface of the arc-shaped enclosure plate 112 by a locking member 133, and a strip groove 1311 for clamping the locking block 132 is formed on the fixing block 131 extending out of the arc-shaped enclosure plate 112; the clip 132 is L-shaped, one end of which is clipped in the strip groove 1311, the other end of which is provided with a clip slot 1321, and the edge of the neck thermoplastic film 2 is clipped in the clip slot 1321.
The head and neck thermoplastic film 2 and the clamping groove 1321 can be fixed in an interference fit manner, or the head and neck thermoplastic film 2 is clamped in the clamping groove 1321 and then fixed by the locking piece 133, or the head and neck thermoplastic film 2 is placed in the clamping groove 1321 and fixed by viscose; in order to guarantee that the stability that neck thermoplastic film 2 and fixture block 132 are fixed together and convenient follow-up taking off is placed and is used on radiotherapy positioner, the preferred neck thermoplastic film 2 of this scheme adopts retaining member 133 to fix.
Head neck thermoplastic film 2 adopts hot water to scald the back, lays it in patient's face and neck to stretch its edge, make its face and the neck laminating completely with patient, in order to form unsmooth face and neck structure, later with the fixture block card of head neck thermoplastic film 2 edge in the strip groove 1311 of fixed block 131, realize the fixed of head neck fixed part.
Referring again to fig. 1, the shoulder plate 12 includes a shoulder-back support plate 121 and an arc plate 122, the arc plate 122 is connected to the edges of the shoulder-back support plate 121 and the neck plate 11, and encloses with the shoulder-back support plate 121 to form a receiving cavity for receiving the shoulder; when the patient is in magnetic resonance, the shoulders of the patient are placed in the accommodating cavities of the shoulder cushion blocks 82.
The arc plates 122 positioned at two sides of the head and neck backing plate 11 are connected with mounting plates 14 extending towards the direction of the head and neck backing plate 11, and the mounting plates 14 are provided with shoulder pressing mechanisms 4 for pressing the shoulders of the patient; the shoulder pressing mechanism 4 can provide downward force for the shoulders of the patient, so that the shoulder is prevented from being twisted in the magnetic resonance process of the patient to influence the positioning of the head and neck.
The shoulder pressing mechanism 4 of the scheme is mainly used for positioning the focus of a patient at the head and neck.
As shown in fig. 4, in one embodiment of the present invention, the shoulder pressing mechanism 4 comprises an arc-shaped shoulder pressing block 41 and a shoulder pressing base 42 fixed on the mounting plate 14 and capable of moving along the length direction of the mounting plate 14, wherein the arc-shaped shoulder pressing block 41 is L-shaped and the corners thereof are arc-shaped. The arc-shaped shoulder pressing block 41 is provided with a sliding groove 411 for adjusting the distance between the top surface of the arc-shaped shoulder pressing block 41 and the mounting plate 14, and the arc-shaped shoulder pressing block 41 is fixed on the shoulder pressing base 42 by a locking piece 133 penetrating through the sliding groove 411.
As shown in fig. 5, the mounting plate 14 is L-shaped, two mutually perpendicular side walls of the mounting plate are respectively provided with a plurality of mutually communicated mounting holes 141, the shoulder pressing base 42 is mounted on the vertical side wall of the mounting plate 14 through the locking member 133, and the lower end of the arc-shaped shoulder pressing block 41 passes through the mounting hole 141 of the other side wall of the mounting plate 14.
Shoulder pressing mechanism 4 moves in order to realize through adorning in the mounting hole 141 of difference on mounting panel 14, can be adapted to different patients' shoulder width like this, and the relative interval of pressing between the shoulder base 42 of arc shoulder piece 41 is adjustable, can make it be adapted to the patient of different fat thin degree, presses the adjustment of shoulder pressing mechanism 4 through two directions to guarantee that it can be adapted to the crowd of difference.
Wherein, arc press on the shoulder piece 41 and all be provided with the scale mark on the vertical wall of mounting panel 14, the setting of scale mark here can conveniently take notes the patient and press the removal displacement of shoulder base 42 and arc press the shoulder piece 41 when magnetic resonance fixes a position, like this when CT scanning with the radiotherapy that resets, can realize accurate location and reset fast according to the data of record when the image scanning.
As shown in fig. 5 to 7, the magnetic resonance head and neck fixing device further comprises a shoulder fixing portion, the shoulder fixing portion comprises a shoulder thermoplastic film 5 and a plurality of clamping blocks 132 clamped on the shoulder thermoplastic film 5; the shoulder thermoplastic film 5 is mounted on the mounting plate 14 by the shoulder positioning mechanism 6 and can move along the length direction of the mounting plate 14, when the shoulder thermoplastic film 5 is provided, the shoulder thermoplastic film 5 and the neck thermoplastic film 2 can be designed in one piece.
The shoulder thermoplastic film 5 and the shoulder positioning mechanism 6 are mutually matched, so that the shoulder of a patient can be positioned in a full-covering mode, and the shoulder thermoplastic film is mainly used for checking when a focus exists on the shoulder; the mounting holes 141 for fixing the shoulder positioning mechanism 6 and the shoulder pressing mechanism 4 on the mounting plate 14 are common, and when the shoulders of the patient are pressed, the shoulder positioning mechanism 6 and the shoulder pressing mechanism 4 can be mounted only by one.
As shown in fig. 6, in one embodiment of the present invention, the shoulder positioning mechanism 6 comprises a shoulder positioning seat 61, a sliding block 62 and a shoulder pressing rod 63, wherein the shoulder positioning seat 61 is locked in a mounting hole 141 of the vertical side wall of the mounting plate 14 by a locking piece 133; a strip-shaped groove 611 is formed in the side, back to the head and neck cushion plate 11, of the shoulder positioning seat 61;
the shoulder pressing rod 63 is matched with the mounting hole 141 in the strip-shaped groove 611 through the locking piece 133 and is fixed in the strip-shaped groove 611; a sliding groove 631 is formed in the shoulder pressing rod 63, and the sliding block 62 is fixed on the shoulder pressing rod 63 by a locking piece 133 penetrating through the sliding groove 631; the latch 132 at the edge of the thermoplastic shoulder film 5 (where the latch 132 has the same structure as the latch 132 at the edge of the thermoplastic head and neck film 2, but has a slightly longer length) is fitted into the slide groove 631 to fix the thermoplastic shoulder film 5 to the shoulder positioning mechanism 6.
The positioning process of the shoulder positioning mechanism 6 on the shoulders of the patient comprises the following steps: firstly, the position of the shoulder positioning seat 61 mounted on the mounting plate 14 is adjusted according to the width of the patient's shoulder, then the position of the shoulder pressing rod 63 in the bar-shaped groove 611 is adjusted to make the shoulder pressing rod 63 contact with the patient's shoulder, then the thermoplastic film 5 of the shoulder is scalded by hot water and covered on the shoulder, the thermoplastic film 5 of the shoulder is completely contacted with the patient by pulling, then the fixture block 132 at the edge of the thermoplastic film 5 of the shoulder is mounted on the sliding groove 631, the sliding block 62 is moved to contact with the end of the thermoplastic film 5 of the shoulder, and then the sliding block 62 is fixed by the locking member 133, thus realizing the positioning of the patient's shoulder.
When the shoulder positioning mechanism 6 is used for positioning, the shoulder positioning seat 61 can move relative to the mounting plate 14, and the shoulder pressing rod 63 can move up and down relative to the shoulder positioning seat 61 so as to adapt to different people with fat and thin body; the slider 62 is moved in the slide groove 631 to restrict the latch block 132 (the latch block 132 mounting the thermoplastic shoulder film 5) therein from moving back and forth in the slide groove 631 to achieve the shoulder positioning of the patient.
In the scheme, the installation holes 141 are arranged in a mode of arranging a plurality of mutually communicated installation holes 141, so that components conveniently installed in the installation holes can move; all of the locking members 133 mentioned in this embodiment are screw/bolt and nut fitting structures.
When implementing, all be provided with the scale mark on the perpendicular lateral wall of the preferred mounting panel 14 of this scheme and on the shoulder depression bar 63, the setting of scale mark here can conveniently record patient shoulder positioning seat 61 and shoulder depression bar 63 and remove the displacement when magnetic resonance fixes a position, like this when the radiotherapy that resets, can realize accurate location fast according to the data of record when image scanning.
Claims (8)
1. The magnetic resonance head and neck fixing device is characterized by comprising a head and neck shoulder backing plate and a head and neck fixing part;
the head and neck fixing part comprises a head and neck thermoplastic film and a plurality of clamping blocks clamped and fixed on the edge of the head and neck thermoplastic film;
the head and neck shoulder cushion plate comprises a head and neck cushion plate and a shoulder cushion plate which is connected with the head and neck cushion plate into a whole; when the head and neck backing plate and the shoulder backing plate are used, the head and neck backing plate and the shoulder backing plate are placed in the head and neck combined coil and are attached to the inner surface of the head and neck combined coil;
the head and neck backing plate comprises an arc-shaped supporting plate for supporting the head and neck and at least one arc-shaped enclosing plate which is connected to the edge of the arc-shaped supporting plate and extends upwards; the inner surface of each arc-shaped enclosing plate is provided with a locking part matched with the clamping block at the edge of the head and neck thermoplastic film;
the shoulder backing plate comprises a shoulder backing plate and an arc-shaped plate, the arc-shaped plate is connected to the edges of the shoulder backing plate and the neck backing plate and forms an accommodating cavity for accommodating the shoulder with the shoulder backing plate;
the arc plates positioned on the two sides of the head and neck backing plate are connected with mounting plates extending towards the direction of the head and neck backing plate, and the mounting plates are provided with shoulder pressing mechanisms for pressing the shoulders of a patient;
the locking part comprises a fixed block, the fixed block is locked on the inner surface of the arc-shaped enclosing plate by a locking part, and a strip-shaped groove for clamping the clamping block is formed in the fixed block extending out of the arc-shaped enclosing plate;
the clamping block at the edge of the head and neck thermoplastic film is L-shaped, one end of the clamping block is clamped in the strip-shaped groove, the other end of the clamping block is provided with a clamping groove, and the edge of the head and neck thermoplastic film is clamped in the clamping groove;
the shoulder pressing mechanism comprises an arc shoulder pressing block and a shoulder pressing base which is fixed on the mounting plate and can move along the length direction of the mounting plate, a sliding groove used for adjusting the distance between the top surface of the arc shoulder pressing block and the mounting plate is formed in the arc shoulder pressing block, and the arc shoulder pressing block penetrates through a locking piece of the sliding groove and is fixed on the shoulder pressing base.
2. The magnetic resonance head and neck fixing device according to claim 1, wherein the head and neck thermoplastic film is fixed with the slot by interference fit, or the head and neck thermoplastic film is fixed by a locking member after being clamped in the slot, or the head and neck thermoplastic film is placed in the slot and fixed by viscose.
3. The magnetic resonance head and neck fixing device according to claim 1, wherein the mounting plate is L-shaped, two mutually perpendicular side walls of the mounting plate are respectively provided with a plurality of mutually communicated mounting holes, the shoulder pressing base is mounted on the vertical side wall of the mounting plate through a locking member, and the lower end of the arc-shaped shoulder pressing block passes through the mounting hole of the other side wall of the mounting plate.
4. The magnetic resonance head and neck fixation device according to claim 3, wherein the arcuate shoulder blocks and the vertical side walls of the mounting plate are provided with graduation marks.
5. The magnetic resonance head and neck fixing device according to any one of claims 1 to 4, wherein the head and neck shoulder pad is made of aramid fiber.
6. A magnetic resonance head and neck fixing device is characterized by comprising a head and neck shoulder backing plate and a head and neck fixing part;
the head and neck fixing part comprises a head and neck thermoplastic film and a plurality of clamping blocks clamped and fixed at the edge of the head and neck thermoplastic film; the head and neck shoulder cushion plate comprises a head and neck cushion plate and a shoulder cushion plate which is connected with the head and neck cushion plate into a whole; when the head and neck backing plate and the shoulder backing plate are used, the head and neck backing plate is placed in the head and neck combined coil and is attached to the inner surface of the head and neck combined coil;
the head and neck backing plate comprises an arc-shaped supporting plate for supporting the head and neck and at least one arc-shaped enclosing plate which is connected to the edge of the arc-shaped supporting plate and extends upwards; the inner surface of each arc enclosing plate is provided with a locking part matched with the fixture block at the edge of the head and neck thermoplastic film;
the shoulder backing plate comprises a shoulder backing plate and an arc-shaped plate, the arc-shaped plate is connected to the edges of the shoulder backing plate and the neck backing plate and forms an accommodating cavity for accommodating the shoulder with the shoulder backing plate;
the arc plates positioned at the two sides of the head and neck backing plate are connected with mounting plates extending towards the direction of the head and neck backing plate;
the magnetic resonance head and neck fixing device also comprises a shoulder fixing part, wherein the shoulder fixing part comprises a shoulder thermoplastic film and a plurality of clamping blocks clamped and fixed on the shoulder thermoplastic film; the fixture block of the shoulder fixing part is arranged on the mounting plate through the shoulder positioning mechanism and can move along the length direction of the mounting plate;
the locking part comprises a fixed block, the fixed block is locked on the inner surface of the arc-shaped enclosing plate by adopting a locking part, and a strip-shaped groove for clamping the clamping block is formed in the fixed block extending out of the arc-shaped enclosing plate;
the clamping block at the edge of the head and neck thermoplastic film is L-shaped, one end of the clamping block is clamped in the strip-shaped groove, the other end of the clamping block is provided with a clamping groove, and the edge of the head and neck thermoplastic film is clamped in the clamping groove;
the shoulder positioning mechanism comprises a shoulder positioning seat, a sliding block and a shoulder pressing rod, and the shoulder positioning seat is locked in the mounting hole in the vertical side wall of the mounting plate through a locking piece; a strip-shaped groove is formed on the side, back to the head and neck pad, of the shoulder positioning seat;
the shoulder pressure lever is matched with the mounting hole in the strip-shaped groove through the locking piece and is fixed in the strip-shaped groove; a sliding groove is formed in the shoulder pressure rod, and the sliding block is fixed on the shoulder pressure rod through a locking piece penetrating through the sliding groove; the clamping blocks at the edges of the shoulder thermoplastic films are arranged in the sliding grooves to fix the shoulder thermoplastic films on the shoulder positioning mechanisms;
the thermoplastic film for the shoulder and the thermoplastic film for the head and the neck are designed in an integrated mode.
7. The magnetic resonance head and neck fixation device according to claim 6, wherein scale marks are provided on both the vertical side wall of the mounting plate and the shoulder strut.
8. The magnetic resonance head and neck fixing device according to claim 6 or 7, wherein the head and neck and shoulder pad is made of aramid fiber.
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| CN201910061137.0A CN109620230B (en) | 2019-01-23 | 2019-01-23 | Magnetic resonance head and neck fixing device |
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| CN201910061137.0A CN109620230B (en) | 2019-01-23 | 2019-01-23 | Magnetic resonance head and neck fixing device |
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| CN109620230B true CN109620230B (en) | 2022-07-15 |
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| CN110123323B (en) * | 2019-04-02 | 2023-10-20 | 佛山瑞加图医疗科技有限公司 | Magnetic resonance scanning device and positioning method |
| CN110236545B (en) * | 2019-06-04 | 2020-06-19 | 中国科学院武汉物理与数学研究所 | Fixing device for magnetic resonance imaging guided focused ultrasound diagnosis and treatment of encephalopathy |
| CN110613518B (en) * | 2019-10-14 | 2020-11-17 | 西南医科大学附属医院 | Thermoplastic mold positioning template and positioning method thereof |
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| US20080078410A1 (en) * | 2006-09-12 | 2008-04-03 | Civco Medical Instruments Co., Inc. | Support for holding and immobilizing a portion of the body of a living being for treatment |
| CN101950006A (en) * | 2010-08-17 | 2011-01-19 | 上海辰光医疗科技有限公司 | Intracranial and cervical joint radio frequency coil device for magnetic resonance imaging system |
| CN202569212U (en) * | 2012-03-20 | 2012-12-05 | 上海交通大学医学院附属新华医院 | Head and neck neoplasm radiation treatment fixing device for children |
| NL1039586C2 (en) * | 2012-05-08 | 2013-11-11 | Dynamic Systems Holding B V | Device, system and method for immobilization of a human's body part. |
| CN103941202B (en) * | 2013-01-22 | 2018-02-27 | 上海联影医疗科技有限公司 | Shoulder coil for MR imaging apparatus |
| CN104473643B (en) * | 2014-12-11 | 2017-04-05 | 中国科学院上海高等研究院 | A kind of fixation pad for the scanning of infant's magnetic resonance head |
| CN206535005U (en) * | 2016-11-23 | 2017-10-03 | 南通市肿瘤医院 | A kind of device of fixed radiotherapy patient position |
| CN207707931U (en) * | 2017-05-15 | 2018-08-10 | 葛洲坝集团中心医院 | A kind of dept. of radiology children body adjustment fixing device |
| CN108542391A (en) * | 2018-04-10 | 2018-09-18 | 首都医科大学宣武医院 | A kind of magnetic resonance examination head fixing device |
| CN209884144U (en) * | 2019-01-23 | 2020-01-03 | 四川瑞迪医疗科技有限公司 | Magnetic resonance head and neck fixing device |
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