CN115414118A

CN115414118A - Head special magnetic resonance imaging operation intervention device

Info

Publication number: CN115414118A
Application number: CN202211053760.XA
Authority: CN
Inventors: 刘杰; 郭江黔; 周鑫彬; 郭易居
Original assignee: Ningbo Chuanshanjia Electrical And Mechanical Co ltd
Current assignee: Ningbo Chuanshanjia Electrical And Mechanical Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-02

Abstract

The invention discloses a head-dedicated magnetic resonance imaging surgical intervention device, which is used as a magnetic resonance imaging coil for magnetic resonance image-guided minimally invasive surgical treatment, ensures the imaging uniformity and sensitivity, positions the head of a patient accommodated in an accommodating cavity through a first screw rod so as to improve the positioning accuracy, is provided with an observation port, has good visual field and is convenient to observe and operate; simultaneously, when the head of a patient is subjected to magnetic resonance imaging through the coil, under the guidance of an image, the position of the adjusting block on the shell is adjusted, a puncture needle or an ablation needle is convenient to penetrate through the adjusting block for treatment, head pathological change tissues can be accurately positioned, the reliability and safety of treatment are improved, the image coil and the positioning device are integrated, the structure is simpler, the cost is reduced, the operation is convenient, the magnetic resonance imaging is free of ionizing radiation, the magnetic resonance imaging is more friendly and safe, multi-azimuth and multi-parameter scanning can be carried out, and the resolution ratio of soft tissues (such as nerves) is higher.

Description

Head special magnetic resonance imaging operation intervention device

Technical Field

The invention relates to the technical field of image operation interventional equipment, in particular to a magnetic resonance imaging operation interventional device special for a head.

Background

Before minimally invasive surgery is performed on brain tumors, a patient needs to carry a rigid fixing frame to perform image examination, the position of lesion tissues is measured and calculated according to medical images, and then the lesion tissues are treated in an operating room.

To solve the above problems, some improved structures are available in the market. For example, the invention patent application with the publication number of CN109009196a of "system and method for positioning blood clots of intracranial hemorrhage based on CT images" includes a CT examining table, a brain stereotaxic apparatus and an intelligent terminal, the brain stereotaxic apparatus includes a support frame worn around the brain, symmetrical support tables are arranged at the left and right ends of the support frame, symmetrical driving mechanisms are arranged on the two support tables, an arc-shaped slide rail is arranged between the two driving mechanisms, the driving mechanisms drive the arc-shaped slide rail to rotate back and forth, a slide block moving along the arc-shaped slide rail is arranged on the arc-shaped slide rail, and a controller and a puncture device are arranged on the slide block; the driving mechanism, the sliding block and the puncture device are respectively and electrically connected with the controller, the CT examination bed and the brain stereotaxic apparatus are respectively communicated with the intelligent terminal, a blood clot coordinate is obtained through analysis of CT image data, the brain stereotaxic apparatus is controlled to accurately position and puncture and remove the blood clot according to the blood clot coordinate, and due to the fact that the imaging device and the positioning apparatus are arranged in a split mode, the structure is complex, installation and operation are complex, certain errors exist, certain ionizing radiation exists, and the intelligent terminal is not friendly to patients.

The invention combines nuclear magnetic resonance with a head fixing structure, and aims to provide a head-dedicated magnetic resonance imaging surgical intervention device to solve at least one of the technical problems.

Disclosure of Invention

In view of the above analysis, the present invention proposes a head-specific magnetic resonance imaging surgical intervention device to address the deficiencies of the prior art.

The invention is mainly realized by the following technical scheme:

a magnetic resonance imaging surgical intervention device special for a head comprises a shell, wherein an accommodating cavity matched with the head is arranged on the shell, an opening for extending a neck is formed in the first end of the accommodating cavity, and a closed coil arranged around the accommodating cavity is arranged in the shell;

wear to be equipped with a plurality of first screws that stagger with the closed coil on the outer wall of casing, first screw activity sets up and fixes the head in order to insert and hold the intracavity, still be equipped with the viewing aperture that separates with the closed coil on the casing, movable mounting has the regulating block on the viewing aperture to lock through the detachable fastener, be equipped with the regulation seat on the regulating block, be used for running through on the regulation seat and set up the part and arrange in the pjncture needle or the ablation needle that hold the intracavity in order to act on the head in the portion.

The head of the patient accommodated in the accommodating cavity is positioned through the first screw rod, so that the head of the patient is prevented from moving during treatment, the positioning precision is improved, the observation port is formed, the visual field is good, and observation and operation are convenient; simultaneously, when the magnetic resonance imaging is carried out on the head of a patient through the coil, under the guidance of an image, the position of the adjusting block on the shell is adjusted, so that a puncture needle or an ablation needle can be conveniently penetrated on the adjusting block for treatment, the head lesion tissue can be accurately positioned, the reliability and the safety of puncture and ablation treatment are improved, and the image coil and the positioning device are integrated into a whole, so that the structure is simpler, the cost is reduced, and the operation is convenient.

Furthermore, it is equipped with the bulb hole to link up on the regulation seat, the downthehole cooperation of bulb rotates installs universal head, be equipped with the damping layer between universal head and the bulb hole, pjncture needle or melting needle wear to locate on the universal head to the bulb hole is passed through to the part.

The universal head can rotate 360 degrees along the adjusting seat, so that the angle of the puncture needle or the ablation needle can be more finely adjusted; the damping layer is arranged, so that the puncture needle or the ablation needle is not easy to move after being fixed.

Furthermore, a mounting seat is arranged on the adjusting block, and a second screw rod is arranged in the accommodating cavity in a penetrating mode on the mounting seat to fix the head.

Because the uncertainty of patient's head and facial size, and the position and the angle of first screw rod can't be adjusted, can only adjust the elasticity degree, the laminating head that probably can't be fine is fixed, the travelling comfort is also not good, consequently through set up the second screw rod on the regulating block, the position of adjustment regulating block, make the position and the angularly adjustable of second screw rod, compress tightly the head with better laminating, with the head size of matching different patients, make the head location more accurate, further improve the precision of formation of image and operation.

The first shell is provided with a first accommodating groove and first connecting ends positioned at two sides of the first accommodating groove, the second shell is provided with a second accommodating groove and second connecting ends positioned at two sides of the second accommodating groove, the first shell is internally provided with at least one first coil section, the second shell is internally provided with at least one second coil section, the first connecting ends are provided with first plug connectors electrically connected with the first coil section, and the second connecting ends are provided with second plug connectors electrically connected with the second coil section;

the second connecting end is arranged on the first connecting end in a matching mode, the first accommodating groove and the second accommodating groove are matched to form the accommodating cavity, and the first end of the first accommodating groove and the first end of the second accommodating groove are matched and spliced to form the opening; the first connecting end and the second connecting end are electrically connected with the second connector through the first connector and the second connector which are in concave-convex fit, so that the first coil section and the second coil section are matched to form at least one closed coil.

The casing components of a whole that can function independently sets up for the patient is more convenient when wearing, comfortable, and first casing and second casing pass through the unsmooth cooperation of first plug connector and second plug connector, make the assembly of first casing and second casing firm, guarantee simultaneously that first coil section and second coil section carry out electric connection through the connector.

The position form of the first shell and the second shell comprises one of up-down relative arrangement, left-right relative arrangement and front-back relative arrangement.

Further, a first screw is arranged on at least one of the first shell and the second shell.

All be equipped with first screw rod on the outer wall of first casing, second casing, a plurality of first screw rods set up along the circumference interval of casing. Through adjusting first screw rod for the location is more accurate.

Further, at least one of the first shell and the second shell is provided with a viewing port;

alternatively, the viewing port is located between the first housing and the second housing.

A plurality of observation ports are symmetrically formed in the outer side wall of the second shell, and the end wall between the second end of the first shell and the second end of the second shell is arranged in a penetrating mode to form the observation ports.

Furthermore, an adjusting piece is movably arranged on the first shell or the second shell, and the adjusting piece penetrates through one of the first connecting end and the second connecting end and abuts against the other of the first connecting end and the second connecting end.

Through setting up the regulating part for when first casing and second casing concatenation, the regulating part supports and leans on first link or second link, when needing to dismantle, through pressing down or promoting the regulating part, makes its protrusion in the surface that corresponds the link, makes first plug connector and second plug connector quickly separating, and it is comparatively convenient to dismantle.

Furthermore, an accommodating space is formed in the second shell, the adjusting part comprises a main body which is movably arranged in the accommodating space, a driving part which penetrates through the outer wall of the second shell is arranged at the first end of the main body, and a top pressing strip which penetrates through the end face where the second plug connector is arranged and abuts against the end face where the first plug connector is arranged at the second end of the main body.

Preferably, the two sides of the second shell are respectively provided with an adjusting piece which can be operated simultaneously, so that the two sides of the first shell and the second shell are disengaged simultaneously.

Furthermore, a protruding portion is arranged on the first connecting end, the first plug connector is installed on the protruding portion, a recessed portion matched with the protruding portion is arranged on the second connecting end, and the second plug connector is installed in the recessed portion.

Because the structure of first plug connector, second plug connector is less, and the counterpoint of first casing and second casing is more troublesome during its unsmooth cooperation, adopts depressed part and bellying cooperation to lead, prevent slow-witted, avoids inserting anti-or inserting the mistake for first casing and second casing installation are more convenient, and the installation and the cooperation of coil are more accurate simultaneously.

Further, be equipped with the sliding part that is located the viewing aperture side on the outer wall of casing relatively, regulating block slidable mounting is on the sliding part and is located the outside of viewing aperture, be equipped with the locking hole on the regulating block, fastener movable fit is downthehole in the locking to support with the sliding part cooperation and lean on in order to lock the regulating block, perhaps separate in order to unblock the regulating block with the sliding part. The fixing and movable adjustment of the adjusting block are realized through the installation and the disassembly of the fastening piece.

The sliding part is a sliding rail or a sliding groove, is not only limited to be arranged on the outer wall of the shell, but also can be arranged on the inner wall of the shell, and is a sliding rail arranged on the outer wall of the shell for avoiding interference on the coil section in the shell and controlling the thickness of the shell.

Compared with the prior art, the technical scheme of the invention has the beneficial effects that:

1. the interventional device for the head-dedicated magnetic resonance imaging operation, provided by the invention, is used as a magnetic resonance imaging coil for magnetic resonance image-guided minimally invasive operation treatment, can improve positioning accuracy by arranging the first screw rod on the basis of ensuring imaging uniformity and sensitivity, is provided with the observation port, has a good visual field, is convenient to observe and perform operation, can perform puncture or ablation treatment simultaneously under magnetic resonance imaging, combines the operation and the image, improves the reliability and safety of the operation, integrates the imaging coil and the positioning device into a whole, supports and fixes the head, has a simpler structure, reduces cost and is convenient to operate, and compared with CT, the magnetic resonance imaging has no ionizing radiation, is more friendly to patients and doctors, can perform multi-azimuth and multi-parameter scanning on visceral organs, is beneficial to finding focuses and identifying the properties of the focuses, and particularly has higher resolution ratio on soft tissues (such as nerves) than CT and other examinations.

2. The adjusting block and the universal head are arranged, so that the second screw rod can be adjusted in multiple positions, the positioning of the head is more accurate, the position and the angle of a puncture needle or an ablation needle can be adjusted, the first screw rod and the second screw rod can be used independently or cooperatively, and selection and adjustment are performed according to actual needs; when puncture treatment is carried out under the guidance of magnetic resonance imaging, the operation precision can be improved, and when ablation treatment is carried out under the guidance of magnetic resonance imaging, a doctor can conveniently know the ablation process and boundary, so that ablation is safer.

3. First plug connector and second plug connector cooperation are convenient for stabilize the assembly to first casing and second casing, realize the sealing connection of coil section simultaneously, through setting up the regulating part, realize the quick unblock between first casing and the second casing, conveniently dismantle for the installation and the cooperation of coil are more accurate.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of a head-specific magnetic resonance imaging surgical interventional device provided by an embodiment of the present invention;

fig. 2 is a schematic view of a portion of an adjustment block in a head-dedicated mr imaging surgical intervention apparatus provided in an embodiment of the present invention after adjustment;

FIG. 3 is a front view of the first housing and the second housing of FIG. 1 assembled;

FIG. 4 is a left side view of the first housing and the second housing of FIG. 1 assembled;

FIG. 5 is an exploded schematic view of FIG. 3;

FIG. 6 is an exploded view of the top press bar of FIG. 5 shown in an extended position;

FIG. 7 isbase:Sub>A sectional view A-A of FIG. 3;

FIG. 8 is a cross-sectional view B-B of FIG. 4;

FIG. 9 is a schematic structural diagram of a regulating block provided in an embodiment of the present invention;

fig. 10 is a cross-sectional view C-C of fig. 9.

The reference numbers are as follows:

1. the device comprises a shell, 1a, a viewing port, 11, a first shell, 11a first containing groove, 11b, a second containing space, 111, a first connecting end, 112, a protruding part, 12, a second shell, 12a, a second containing groove, 12b, a containing space, 12c, a first step, 121, a second connecting end, 122, a recessed part, 13, a sliding part, 2, a containing cavity, 2a, an opening, 3, a first screw, 4, an adjusting block, 41, an adjusting seat, 41a, a ball head hole, 42, a universal head, 42a, a through hole, 43, a damping layer, 44, a mounting seat, 4a, a locking hole, 45, a sliding block, 5, a fastening piece, 6, a puncture needle or an ablation needle, 7, a second screw, 8, a first plug connector, 9, a second plug connector, 10, an adjusting piece, 101, a main body, 102, a driving part, 103, a jacking strip, 103a second step, 20, a first connecting seat, 21, a second connecting seat, 22, an operating hole, 23, and a guide sleeve.

Detailed Description

In order that those skilled in the art may better understand the invention and that the scope of the invention that is claimed may be more clearly defined, the invention is described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few embodiments of the present invention, and the specific direct description of the related structures is only for the convenience of understanding the present invention, and the specific features do not, of course, directly limit the implementation scope of the present invention. Such alterations and modifications as are made obvious by those skilled in the art and guided by the teachings herein are intended to be within the scope of the invention as claimed.

The invention is further described with reference to the following figures and specific examples.

Example 1

As shown in fig. 1-2, a head-dedicated magnetic resonance imaging surgical intervention device includes a housing 1, a plurality of operation holes 22 are provided on an outer wall of the housing 1, a containing cavity 2 for containing a head in a matching manner is provided on the housing 1, an opening 2a for extending a neck is provided at a first end of the containing cavity 2, a closed coil disposed around the containing cavity 2 is provided in the housing 1, and a coil tuning circuit board electrically connected to the coil. The operation hole 22 is arranged to increase the opening degree, so that a doctor can conveniently and directly insert the puncture needle or the ablation needle 6 from the operation hole 22 according to actual needs. The shell 1 is fixed on a patient bed, and the position of the coil cannot be changed even if the head of a patient slightly moves, so that the imaging effect is prevented from being influenced.

Wear to be equipped with a plurality of first screw rods 3 staggered with the closed coil on casing 1's the outer wall, first screw rod 3 is equipped with a plurality ofly along the circumference interval on casing 1 outer wall, first screw rod 3's outer end is equipped with spacing portion, the screw in holds in chamber 2 when avoiding first screw rod 3 to adjust, first screw rod 3 activity sets up fixes the head in order to insert and hold chamber 2, be equipped with the screw hole on casing 1's the outer wall, because first screw rod 3 and screw hole screw-thread fit assemble, it inserts the length that holds in chamber 2 through rotatory adjustable first screw rod 3, so that compress tightly the head or release the head.

Still be equipped with the viewing aperture 1a that separates with the closed coil on the casing 1, movable mounting has regulating block 4 on the viewing aperture 1a to lock through detachable fastener 5, be equipped with on the regulating block 4 and adjust seat 41, be used for on adjusting seat 41 to run through the setting part and arrange in and hold the pjncture needle or melt needle 6 that the chamber 2 was held in order to act on the head in order to be convenient for at the in-process of screw rod fixed patient's head, adopt pjncture needle or melt needle 6 and carry out corresponding operation. During actual use, a doctor inserts the puncture needle or the ablation needle 6 on the position corresponding to the adjusting block 4 into the accommodating cavity 2 according to the position of a tumor, and the installation positions corresponding to the puncture needle or the ablation needle 6 on the adjusting blocks 4 on the rest positions are vacant. When the mounting position of the puncture needle or the ablation needle 6 on the adjusting block 4 cannot be corresponded, the puncture needle or the ablation needle 6 can be directly inserted from the observation port 1a.

The outer wall of the shell 1 is relatively provided with a sliding part 13 located beside the observation port 1a, the adjusting block 4 is slidably mounted on the sliding part 13 and located on the outer side of the observation port 1a, a locking hole 4a is formed in the adjusting block 4, the fastening piece 5 is movably matched in the locking hole 4a to be matched with the sliding part 13 to abut against the adjusting block 4 to be locked or separated from the sliding part 13 to be unlocked, and the puncture needle or the ablation needle 6 penetrates through the observation port 1a and is partially placed in the accommodating cavity 2. The fastener 5 is a locking screw.

As shown in fig. 9 and 10, a ball hole 41a is formed through the adjusting seat 41, a universal head 42 is rotatably mounted in the ball hole 41a in a matching manner, a damping layer 43 is arranged between the universal head 42 and the ball hole 41a, and the puncture needle or the ablation needle 6 is inserted into the universal head 42 and partially inserted into the accommodating cavity 2 from the observation port 1a through the ball hole 41 a.

The universal head 42 is provided with a through hole 42a communicated with the ball head hole 41a, the adjusting seat 41 is provided with a ball head groove, the bottom of the ball head groove is provided with a through hole penetrating through the adjusting seat 41, the diameter of the through hole is smaller than that of the universal head 42 and larger than that of the through hole 42a so as to form a special-shaped ball head hole 41a, and a needle body of the puncture needle or the ablation needle 6 can rotate in the through hole to adjust the angle. The damping layer 43 is made of silica gel, specifically medical silica gel.

The integrative mount pad 44 that is equipped with on the regulating block 4, wear to be equipped with the part on the mount pad 44 and arrange in and hold the chamber 2 in to the second screw rod 7 that the head goes on fixing, link up on the mount pad 44 and be equipped with the screw hole with the cooperation assembly of second screw rod 7, during the use, second screw rod 7 passes viewing aperture 1a and arranges in and hold chamber 2 to improve the universality and the positioning accuracy of location.

As shown in fig. 3 to 6, the housing 1 includes a first housing 11 and a second housing 12 which are oppositely disposed, and the second housing 12 is disposed at an upper end of the first housing 11. At least one of the first housing 11 and the second housing 12 is provided with an observation port 1a; the observation port 1a is provided between the first casing 11 and the second casing 12, and the observation port 1a is provided.

The first casing 11 is provided with a first accommodating groove 11a for accommodating a hindbrain, the first accommodating groove 11a is provided with a top opening and a first end, the first accommodating groove is used for accommodating the hindbrain, the first connecting end 111 is positioned on two sides of the first accommodating groove 11a, the outer surface of the bottom of the first casing 11 is horizontally arranged, two outer side walls of the first casing 11 are respectively perpendicular to the outer surface of the bottom, filleted corners of the connecting part are in transition, an operation hole 22 is arranged on the side wall of the first casing 11, at least one first coil section is arranged in the first casing 11, the bottom of the first accommodating groove 11a is concavely arranged, two edges of the bottom of the first accommodating groove 11a form vertical inner side walls on two sides after smooth transition, a horizontal end surface is arranged between the inner side wall and the outer side walls, a first connecting seat 20 is arranged on the horizontal end surface, namely the first connecting end 111, a protruding portion 112 is arranged on the first connecting end 111, first connecting end 112 of the two first connecting ends 111 is provided with first plug connectors 8 which are electrically connected with the first coil section, a plurality of the first plug connectors 8, and each first plug socket is arranged on each first plug 8. The protrusion 112 is a first boss disposed on the first connector housing 20, and the top of the first connector 8 is flush with the upper surface of the first boss.

The second casing 12 is provided with a second accommodating groove 12a for accommodating the face portion, the second accommodating groove 12a is located on two sides of the second accommodating groove 12a, the outer surface of the second casing 12 is arc-shaped as a whole, the cross section of the second accommodating groove 12a is arc-shaped, the second casing 12 is internally provided with at least one second coil section which is arranged around the second accommodating groove 12a, a horizontal end surface is arranged between the inner side wall and the outer side wall of the second casing 12, the horizontal end surface is provided with a second connecting seat 21 which is the second connecting end 121, the second connecting end 121 is provided with a recessed portion 122 which is matched with the raised portion 112, the recessed portions 122 of the two second connecting ends 121 are provided with second plug connectors 9 which are electrically connected with the second coil sections, the second plug connectors 9 are provided with a plurality of the second plug connectors 9, and each second plug connector 9 is provided with a convex block which is matched and plugged with the jack. The recess 122 is a groove with a downward opening on the second connection seat 21, and the second connector 9 is installed in the recess 122 and is flush with the lower end surface of the recess 122.

The second connecting end 121 is arranged on the first connecting end 111 in a matching manner, the first accommodating groove 11a and the second accommodating groove 12a are matched to form an accommodating cavity 2, the first end of the first accommodating groove 11a and the first end of the second accommodating groove 12a are matched and spliced to form an opening 2a, the second end of the first accommodating groove 11a and the second end of the second accommodating groove 12a are arranged in a penetrating manner and matched and spliced to form an observation port 1a, and the outer wall of the second shell 12 is provided with a plurality of observation ports 1a; the first connection end 111 and the second connection end 121 corresponding to both sides are electrically connected to the second connector 9 through the first connector 8 and the second connector 9 in a concave-convex fit, respectively, so that the first coil section and the second coil section are matched to form at least one closed coil.

As shown in fig. 7, the first screw 3 is provided in both the first housing 11 and the second housing 12.

Threaded holes are respectively formed in two side walls of the first shell 11, the top of the second shell 12 and two side walls of the second shell, and the first screw 7 can be movably assembled. Because the lateral wall of second casing 12 has the radian, is equipped with the uide bushing 23 with the screw hole intercommunication on the corresponding position of second casing 12, and first screw rod 3 passes through the screw assembly on uide bushing 23 and passes second casing 12 setting for it is more steady to remove.

The observation port 5b is relatively provided with a plurality of observation holes on the side wall of the second shell 12, the section of the adjusting block 4 is arc-shaped, and the adjusting block 4 is arranged along the arc-shaped surface of the second shell 12 in a sliding manner. The sliding part 13 is an arc-shaped sliding rail convexly arranged on the outer wall of the second shell 12, a clamping groove is formed in the side wall of the arc-shaped sliding rail to form a sliding way with two open ends with the outer wall of the second shell 12, sliding blocks 45 with L-shaped cross sections are respectively arranged at two ends of the adjusting block 4, and the sliding blocks 45 are in sliding fit with the sliding way to facilitate installation and disassembly.

The observation hole 1a that holds the second end of chamber 2 goes up slidable setting and is rectangular shape regulating block 4, is equipped with a plurality of regulation seats 41 on the regulating block 4, and movable mounting pjncture needle or ablation needle 6 on the universal head 42 of regulating seat 41 makes regulating block 4 relative first casing 11, the movable setting of second casing 12 and locks through fastener 5, corresponds the optional screw rod that sets up on the regulating block 4.

The sliding part 13 is an arc-shaped sliding rail which is convexly arranged at the bottom of the first shell 11 and the top of the second shell 12, and the arc-shaped sliding rail at the top of the second shell 12 is arranged on a corresponding arc-shaped sliding rail on the outer wall of the second shell 12.

Not limited to the above structure, an adjusting block may be slidably disposed on the outer side wall of the first housing 11.

As shown in fig. 7-8, since the first connector 8 and the second connector 9 are matched in a plurality of ways and are relatively tightly spliced, it is relatively laborious to pull out the first housing 11 and the second housing 12, in order to facilitate quick detachment of the first housing 11 and the second housing 12, the second housing 12 is movably provided with the adjusting part 10, the adjusting part 10 penetrates through the second connecting end 121 and abuts against the first connecting end 111, and the adjusting part 10 is disposed in the middle of the second connecting end 121.

Without being limited to the above structure, the adjusting member 10 may be slidably disposed on the first housing 11 and may pass through the first connecting end 111 to abut against the second connecting end 121.

The second housing 12 is provided with an accommodating space 12b, the accommodating space 12b accommodates the second coil section, the first housing 11 is also provided with a second accommodating space 11b for accommodating the first coil section, and the coil tuning circuit board is disposed in the accommodating space 12b or the second accommodating space 11 b.

The adjusting part 10 includes a main body 101 movably disposed in the accommodating space 12b, a second boss located above the second connecting end 121 is disposed on the outer wall of the second housing 12, a driving portion 102 is disposed at a first end of the main body 101 and is upwardly movably disposed to penetrate through the second boss on the outer wall of the second housing 12, and a top pressing strip 103 is disposed at a second end of the main body 101 and downwardly penetrates through an end surface where the second connector 9 is located (i.e., a top surface of the recessed portion 122) and abuts against an end surface where the first connector 8 is located (i.e., a top surface of the protruding portion 112).

The accommodating space 12b is internally provided with two steps 12c for limiting the bottom of the main body 101, the two jacking strips 103 are arranged on the main body 101 relatively, the lower end of each jacking strip 103 is provided with a second step 103a, when the first shell 1 and the second shell 2 are assembled, the driving part 102 protrudes out of the second boss, the jacking strips 103 are flush with the lower end face of the groove, the protruding block of one second plug connector 9 is positioned between the two jacking strips 103, the pressing operation is convenient, and the first shell 11 and the second shell 12 are conveniently separated. The second plug connector 9 penetrates through the second connecting seat 21, the protruding block is inserted into the groove during assembly, when the second plug connector is disassembled, the jacking strip 103 is partially protruded into the groove to jack the first boss, so that the protruding block is separated from the jack, the second step 103a is abutted against the inner wall of the bottom surface of the accommodating space 12b, and at this time, the driving part 102 cannot be pressed downwards any more.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.

Claims

1. The utility model provides a special magnetic resonance imaging operation intervention device of head which characterized in that: the novel neck-stretching type neck-stretching device comprises a shell (1), wherein an accommodating cavity (2) matched with a head is formed in the shell (1), an opening (2 a) for extending a neck is formed in the first end of the accommodating cavity (2), and a closed coil arranged around the accommodating cavity (2) is arranged in the shell (1);

wear to be equipped with a plurality of first screw rods (3) staggered with the closed loop on the outer wall of casing (1), first screw rod (3) activity sets up and fixes the head in order to insert and hold chamber (2), still be equipped with viewing aperture (1 a) separated with the closed loop on casing (1), movable mounting has regulating block (4) on viewing aperture (1 a) to lock through detachable fastener (5), be equipped with on regulating block (4) and adjust seat (41), be used for on adjusting seat (41) to run through and set up the part and arrange in the pjncture needle or the needle of melting (6) that hold chamber (2) in order to act on the head in.

2. The head-specific magnetic resonance imaging surgical intervention device of claim 1, wherein: adjust and link up on seat (41) and be equipped with bulb hole (41 a), bulb hole (41 a) fit in rotation installs universal head (42), be equipped with damping layer (43) between universal head (42) and bulb hole (41 a), pjncture needle or ablation needle (6) wear to locate on universal head (42) to partly pass bulb hole (41 a).

3. The head-specific magnetic resonance imaging surgical intervention device of claim 1 or 2, wherein: be equipped with mount pad (44) on regulating block (4), wear to be equipped with part on mount pad (44) and arrange in and hold chamber (2) in to carry out second screw rod (7) fixed to the head.

4. The head-specific magnetic resonance imaging surgical intervention device of claim 1, wherein: the shell (1) comprises a first shell (11) and a second shell (12) which are arranged oppositely, a first accommodating groove (11 a) and a first connecting end (111) which is positioned on two sides of the first accommodating groove (11 a) are arranged on the first shell (11), a second accommodating groove (12 a) and a second connecting end (121) which is positioned on two sides of the second accommodating groove (12 a) are arranged on the second shell (12), at least one first coil section is arranged in the first shell (11), at least one second coil section is arranged in the second shell (12), a first plug connector (8) which is electrically connected with the first coil section is arranged on the first connecting end (111), and a second plug connector (9) which is electrically connected with the second coil section is arranged on the second connecting end (121);

the second connecting end (121) is arranged on the first connecting end (111) in a matching mode, the first accommodating groove (11 a) and the second accommodating groove (12 a) are matched to form the accommodating cavity (2), and the first end of the first accommodating groove (11 a) and the first end of the second accommodating groove (12 a) are matched and spliced to form the opening (2 a); the first connecting end (111) and the second connecting end (121) are electrically connected with the second connecting piece (9) through the first connecting piece (8) in concave-convex fit, so that the first coil section and the second coil section are matched to form at least one closed coil.

5. The head-specific magnetic resonance imaging surgical intervention device of claim 4, wherein: a first screw (3) is arranged on at least one of the first shell (11) and the second shell (12).

6. The head-specific magnetic resonance imaging surgical intervention device of either of claims 4 or 5, wherein: at least one of the first shell (11) and the second shell (12) is provided with an observation port (1 a);

alternatively, the observation port (1 a) is located between the first casing (11) and the second casing (12).

7. The head-specific magnetic resonance imaging surgical intervention device of claim 4, wherein: the adjusting piece (10) is movably arranged on the first shell (11) or the second shell (12), and the adjusting piece (10) penetrates through one of the first connecting end (111) and the second connecting end (121) and abuts against the other of the first connecting end and the second connecting end.

8. The head-specific magnetic resonance imaging surgical intervention device of claim 7, wherein: be equipped with accommodation space (12 b) in second casing (12), main part (101) in accommodation space (12 b) are located including the activity to regulating part (10), the first end of main part (101) is equipped with activity and runs through drive division (102) of second casing (12) outer wall, the second end of main part (101) is equipped with and passes second plug connector (9) place terminal surface to top pressure strip (103) that lean on with first plug connector (8) place terminal surface.

9. The head-specific magnetic resonance imaging surgical intervention device of claim 5, wherein: the first connecting end (111) is provided with a protruding portion (112), the first plug connector (8) is installed on the protruding portion (112), the second connecting end (121) is provided with a recessed portion (122) matched with the protruding portion (112), and the second plug connector (9) is installed in the recessed portion (122).

10. The head-specific magnetic resonance imaging surgical intervention device of claim 1, wherein: be equipped with relatively on the outer wall of casing (1) and be located sliding part (13) of viewing aperture (1 a) side, regulating block (4) slidable mounting is on sliding part (13) and is located the outside of viewing aperture (1 a), be equipped with locking hole (4 a) on regulating block (4), fastener (5) clearance fit is in locking hole (4 a) to support with sliding part (13) cooperation and lean on with locking regulating block (4), perhaps with sliding part (13) separation with unblock regulating block (4).