CN208958120U - A kind of fixable nuclear magnetic resonance shoulder joint coil - Google Patents
A kind of fixable nuclear magnetic resonance shoulder joint coil Download PDFInfo
- Publication number
- CN208958120U CN208958120U CN201821492900.2U CN201821492900U CN208958120U CN 208958120 U CN208958120 U CN 208958120U CN 201821492900 U CN201821492900 U CN 201821492900U CN 208958120 U CN208958120 U CN 208958120U
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- China
- Prior art keywords
- shoulder joint
- circular groove
- magnetic resonance
- connecting band
- nuclear magnetic
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Abstract
The utility model provides a kind of fixable nuclear magnetic resonance shoulder joint coil, including the shoulder joint coil body being made of front and back shoulder joint shell and the coil body being set in the housing, it further include the fixed mechanism being made of front and rear housings and round wheel carrier, back casing is fixed on crop joint housing surface, procapsid is fastened on back casing, the centre of circular recess is equipped with newel after on back casing, the centre of round wheel carrier is equipped with centre bore and front and back sides are correspondingly provided with front and back circular groove, circular wheel is placed in front and rear housings and centre bore passes through newel, helical spring piece is arranged in circular groove afterwards, the both ends of helical spring piece are fixed with rear circular groove side wall and newel respectively, the peripheral surface of round wheel carrier is wound with connecting band, the both ends of connecting band are fixed with preceding circular groove side wall and back porch joint housing respectively, hull outside Snap ring is connected in connecting band.Nuclear magnetic resonance shoulder joint coil can be rightly fixed on subject's shoulder and is scanned by the application.
Description
Technical field
The utility model relates to shoulder joint Coil technique fields, and in particular to a kind of fixable nuclear magnetic resonance shoulder joint nodel line
Circle.
Background technique
Magnetic resonance imaging (Nuclear Magnetic Resonance Imaging, abbreviation NMRI), also known as magnetic resonance
Be imaged (abbreviation MRI), be using nuclear magnetic resonance principle, according to the energy discharged inside the substance in different structure environment it is different
Decaying, launched electromagnetic wave is detected by additional gradient magnetic, draws out the structural images of interior of articles.Specifically,
The coil of magnetic resonance scanner is referred to as radio-frequency coil, receiving coil and gradient coil according to its effect difference, and clinical work
Described coil typically refers to the receiving coil for receiving human body magnetic resonance signal caused by imaging position in work.Mesh
Before, when the shoulder joint to subject does nuclear magnetic resonance image check, needs for nuclear magnetic resonance shoulder joint coil to be worn on and be examined
The shoulder of person, existing nuclear magnetic resonance shoulder joint coil please refer to shown in Fig. 1.And the inventor of the utility model sends out after study
Existing, existing nuclear magnetic resonance shoulder joint coil is due to for outer hard interior soft structure, when being worn on the shoulder of subject, often
The situation for nuclear magnetic resonance shoulder joint coil wearing skew occur occurs, i.e., nuclear magnetic resonance shoulder joint coil is not by very well rightly
It is worn on the shoulder of subject, thus will lead to nuclear magnetic resonance shoulder joint coil cannot well sweep subject's shoulder
It retouches, and then the image of high s/n ratio can not be obtained.Therefore, it is necessary to which the wearing to existing nuclear magnetic resonance shoulder joint coil carries out
It improves.
Utility model content
When being worn on the shoulder of subject for existing nuclear magnetic resonance shoulder joint coil, it often will appear nuclear magnetic resonance shoulder joint
Nodel line circle wearing skew situation occur, thus will lead to nuclear magnetic resonance shoulder joint coil cannot well to subject's shoulder into
The technical issues of going and scan, and then can not obtaining high signal-to-noise ratio image, it is total that the utility model provides a kind of fixable nuclear-magnetism
Shake shoulder joint coil.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of fixable nuclear magnetic resonance shoulder joint coil, including by crop joint housing, back porch joint housing, connection before
The oxter band of back porch joint housing and the shoulder joint coil body formed set on the intracorporal coil body of front and back shoulder joint shell, are also wrapped
Fixed mechanism is included, the fixed mechanism includes procapsid, back casing and round wheel carrier, shoulder joint shell before the back casing is fixed on
The surface of body, the procapsid are fastened on back casing, and the procapsid is equipped with preceding circular recess, the side wall of the procapsid
It is equipped with the preceding notch that be connected to preceding circular recess, the back casing is equipped with rear circular recess, on the side wall of the back casing
Equipped with the rear notch being connected to rear circular recess, the rear notch and preceding notch are positioned opposite, the centre of the rear circular recess
Equipped with newel, the leading flank of the circle wheel carrier is equipped with preceding circular groove, and the trailing flank of the circle wheel carrier is equipped with and preceding circle
Symmetrically rear circular groove, the centre of the circle wheel carrier are equipped with centre bore to connected in star, and it is round that the circular wheel is placed on front and back
In recess and centre bore passes through newel, is arranged with a circle circle helical spring piece, institute in the rear circular groove of the circle wheel carrier
One for stating helical spring piece is fixedly connected with the side wall of rear circular groove, and other end is fixedly connected with newel, the circle
The peripheral surface of wheel carrier is wound with a circle circle connecting band, and one end of the connecting band is fixedly connected with the side wall of preceding circular groove,
The other end stretches out opposite front and back notch and is fixedly connected with back porch joint housing, in the connecting band on the outside of the front and back notch
It is connected with snap ring, and helical spring piece is more and more tighter when continuous pull-out outward out of front and rear housings for the connecting band.
Compared with prior art, fixable nuclear magnetic resonance shoulder joint coil provided by the utility model, in existing nuclear-magnetism
Fixed mechanism is had additional on the basis of resonance shoulder joint coil, it is first that existing shoulder joint coil body is preliminary when specifically used
It is worn on the detection shoulder of subject, the snap ring then hauled in connecting band pulls outward connecting band since in front and rear housings
Out, and during pulling out connecting band outward, connecting band will drive round wheel carrier to pivot about with newel, due to
One of helical spring piece is fixedly connected with the rear circular groove side wall of round wheel carrier, and other end is fixedly connected with newel, because
And in the continuous rotary course of back-shaped wheel carrier, it will constantly carry out rotation tension to helical spring piece, i.e., so that helical spring
Piece is with more and more tighter when connecting band constantly pulls out outward out of front and rear housings, and the tension of helical spring piece will allow connecting band
The tightening force opposite with pull-out direction is generated, so that connecting band also becomes increasingly tightlier, it is oblique will then to become tight connecting band
It is pulled to another shoulder transaxillary position, can be rightly worn on shoulder joint coil body by the binding force that connection brings body
The detection shoulder of subject, and after magnetic resonance detection, connecting band is removed from another shoulder oxter, spiral bullet when a little
The tension elastic force of reed discharges, and drives round wheel carrier rotation to withdraw connecting band, until snap ring stops after being connected on the outside of the notch of front and back
Only withdraw.Therefore, provided by the present application to fix nuclear magnetic resonance shoulder joint coil, it is not in that nuclear magnetic resonance shoulder joint coil is worn
The situation for wearing skew occurs, i.e., nuclear magnetic resonance shoulder joint coil can rightly be worn on the shoulder of subject very well, and thus, it is possible to very
Subject's shoulder is scanned well, and then obtains high signal-to-noise ratio image.
Further, the convex block of oriented centre bore protrusion is integrally formed after described on the side wall of circular groove, on the convex block
Equipped with the line of rabbet joint, a setting of the helical spring piece, which circularizes, to be nested in the line of rabbet joint.
Further, the newel is equipped with flat recess, and the other end of the helical spring piece is set as crotch and is connected to one
In word slot.
Further, the newel be open tubular column, the open tubular column it is hollow in be interspersed with to helical spring piece squeeze T
Type card plug.
Further, it is set on the side wall of the preceding circular groove there are two opening, one end of the connecting band is set as annular sleeve
It is located in two openings.
Detailed description of the invention
Fig. 1 is existing nuclear magnetic resonance shoulder joint loop construction schematic diagram.
Fig. 2 is fixable nuclear magnetic resonance shoulder joint loop construction schematic diagram provided by the utility model.
Fig. 3 is the enlarged structure schematic diagram that fixed mechanism omits after procapsid in Fig. 2.
Fig. 4 is the enlarged structure schematic diagram that the helical spring piece of fixed mechanism in Fig. 2 is connect with round wheel carrier.
In figure, 1, crop joint housing;11, oxter band;2, back porch joint housing;3, fixed mechanism;31, procapsid;32,
Back casing;33, round wheel carrier;330, centre bore;331, preceding circular groove;332, rear circular groove;333, convex block;334, it opens
Mouthful;34, newel;341, flat recess;35, helical spring piece;36, connecting band;37, snap ring;38, T-type card plug.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
In the description of the present invention, it should be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness
The side of the instructions such as degree ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.In the description of the present invention, unless otherwise indicated, " multiple " contain
Justice is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It please referring to shown in Fig. 2 to Fig. 4, the utility model provides a kind of fixable nuclear magnetic resonance shoulder joint coil, including
By the oxter band 11 of shoulder joint shell before and after crop joint housing 1, back porch joint housing 2, connection and set on front and back shoulder joint shell
The shoulder joint coil body of intracorporal coil body composition, further includes fixed mechanism 3, the fixed mechanism include procapsid 31,
Back casing 32 and round wheel carrier 33, the back casing 32 fixed (as being bonded) is in the surface of crop joint housing 1, the procapsid
31 are fastened on back casing 32, and the procapsid 31 is equipped with preceding circular recess, the side wall of the procapsid 31 be equipped with it is preceding
The preceding notch of circular recess connection, the back casing 32 are equipped with rear circular recess, the side wall of the back casing 32 be equipped with
The rear notch of circular recess connection afterwards, it is described after notch and preceding notch it is positioned opposite, the centre of the circular recess afterwards is equipped with
Stem 34, it is described circle wheel carrier 33 leading flank be equipped with preceding circular groove 331, it is described circle wheel carrier 33 trailing flank be equipped with it is preceding
Circular groove 332 after circular groove 331 is symmetrical, i.e., the described round wheel carrier 33 is a hollow cylinder, in hollow circuit cylinder
Middle part is radially equipped with one layer of partition, circular groove 331 and rear circle before which is divided into two grooves i.e. for hollow circuit cylinder
Connected in star 332, the centre of the circle wheel carrier 33 are equipped with centre bore 330, and the circle wheel carrier 33 is placed in the circular recess of front and back
And centre bore 330 passes through newel 34, i.e., the described newel 34 passes through the centre bore 330 of round wheel carrier 33, the circle wheel carrier
33 are placed in the space that preceding circular recess and rear circular recess are constituted and rear and front end contacts substantially with front and rear housings, the circle
Helical spring piece 35 is arranged in the rear circular groove 332 of shape wheel carrier 33, and the helical spring piece 35 is that a circle encloses helically
Type setting, one of the helical spring piece 35 are fixedly connected with the side wall of rear circular groove 332, and other end and newel 34 are solid
Fixed connection, the peripheral surface of the circle wheel carrier 33 is wound with connecting band 36, and the connecting band 36 is the helically type of a circle circle
It is wrapped in the peripheral surface of round wheel carrier 33, one end of the connecting band 36 is fixedly connected with the side wall of preceding circular groove 331, separately
One end is stretched out opposite front and back notch and is fixedly connected with back porch joint housing 2, i.e., the other end of the described connecting band 36 is from preceding notch
The indentation, there of opposite composition is fixed on back porch joint housing 2 after being pierced by with rear notch, is located at outside the preceding notch and rear notch
It is connected with snap ring 37 in the connecting band 36 of side, thus when needing from front and rear housings to pull out connecting band 36 from inside to outside, can be passed through
Pull snap ring 37 can by connecting band 36 quickly pull out, and the connecting band 36 out of front and rear housings constantly outward pull out when spiral
Spring leaf 35 is increasingly tighter, thus connecting band 36 can be made to generate continual tightening force.Wherein, the shoulder joint nodel line in the application
Circle ontology is the prior art well known by persons skilled in the art, can specifically select model 1.5T 3CH SHOULDER
ARRAY COIL shoulder joint coil, that is, 1.5T 3CH shoulder front circle.
Compared with prior art, fixable nuclear magnetic resonance shoulder joint coil provided by the utility model, in existing nuclear-magnetism
Fixed mechanism is had additional on the basis of resonance shoulder joint coil, it is first that existing shoulder joint coil body is preliminary when specifically used
It is worn on the detection shoulder of subject, the snap ring then hauled in connecting band pulls outward connecting band since in front and rear housings
Out, and during pulling out connecting band outward, connecting band will drive round wheel carrier to pivot about with newel, due to
One of helical spring piece is fixedly connected with the rear circular groove side wall of round wheel carrier, and other end is fixedly connected with newel, because
And in the continuous rotary course of back-shaped wheel carrier, it will constantly carry out rotation tension to helical spring piece, i.e., so that helical spring
Piece is with more and more tighter when connecting band constantly pulls out outward out of front and rear housings, and the tension of helical spring piece will allow connecting band
The tightening force opposite with pull-out direction is generated, so that connecting band also becomes increasingly tightlier, it is oblique will then to become tight connecting band
It is pulled to another shoulder transaxillary position, can be rightly worn on shoulder joint coil body by the binding force that connection brings body
The detection shoulder of subject, and after magnetic resonance detection, connecting band is removed from another shoulder oxter, spiral bullet when a little
The tension elastic force of reed discharges, and drives round wheel carrier rotation to withdraw connecting band, until snap ring stops after being connected on the outside of the notch of front and back
Only withdraw.Therefore, provided by the present application to fix nuclear magnetic resonance shoulder joint coil, it is not in that nuclear magnetic resonance shoulder joint coil is worn
The situation for wearing skew occurs, i.e., nuclear magnetic resonance shoulder joint coil can rightly be worn on the shoulder of subject very well, and thus, it is possible to very
Subject's shoulder is scanned well, and then obtains high signal-to-noise ratio image.
As specific embodiment, please refer to shown in Fig. 4 (figure is from the structure chart in terms of back casing forward housing direction), institute
The convex block 333 that oriented centre bore protrusion is integrally formed on the side wall of rear circular groove 332 is stated, the convex block 333 is equipped with the line of rabbet joint,
One setting of the helical spring piece 35, which circularizes, to be nested in the line of rabbet joint, i.e., is located at a headgear of 35 annular of helical spring piece
In the line of rabbet joint, one for being achieved in helical spring piece 35 is fixedly connected with the side wall of rear circular groove 332.Certainly, this field skill
Art personnel can also be attached such as straight by one of helical spring piece 35 on the basis of previous embodiment using other modes
Welding is connect on the side wall of rear circular groove 332.
It as specific embodiment, please refers to shown in Fig. 3 and Fig. 4, the newel 34 is equipped with flat recess 341, the spiral shell
The other end of rotation spring leaf 35 is set as crotch and is connected in flat recess 341, i.e., sets the other end card of 35 annular of helical spring piece
In flat recess 341, it is achieved in the other end of helical spring piece 35 and being fixedly connected for newel 34.
As specific embodiment, please refer to shown in Fig. 3, the newel 34 be open tubular column, the open tubular column 34 it is hollow
In be interspersed with to helical spring piece 35 squeeze T-type card plug 38, i.e., the lower end of T-type card plug 38 is tightly inserted in open tubular column 34
In hollow, thus the helical spring piece 35 being fixedly connected in newel flat recess 341 can be squeezed to cell wall and be contacted, to make
Helical spring piece 35 and the connection of open tubular column 34 are stronger.
As specific embodiment, please refer to shown in Fig. 3, set on the side wall of the preceding circular groove 331 there are two opening
334, one end of the connecting band 36 is set as annular and is set in two openings 334, i.e., one end set of connecting band 36 is hung over two
On segment side wall between a opening 334, the side wall of one end and preceding circular groove 331 for being achieved in connecting band 36 is fixed to be connected
It connects;And the other end of the connecting band 36 specifically can directly cover with preset through-hole on back porch joint housing 2 and fetch realization fixation
Connection.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of fixable nuclear magnetic resonance shoulder joint coil, including by crop joint housing, back porch joint housing, connection front and back
The oxter band of shoulder joint shell and the shoulder joint coil body formed set on the intracorporal coil body of front and back shoulder joint shell, feature
It is, further includes fixed mechanism, the fixed mechanism includes that procapsid, back casing and round wheel carrier, the back casing are fixed on
The surface of crop joint housing, the procapsid are fastened on back casing, and the procapsid is equipped with preceding circular recess, before described
The side wall of shell is equipped with the preceding notch being connected to preceding circular recess, and the back casing is equipped with rear circular recess, the rear shell
The side wall of body is equipped with the rear notch being connected to rear circular recess, and the rear notch and preceding notch are positioned opposite, round after described
The centre of recess is equipped with newel, and the leading flank of the circle wheel carrier is equipped with preceding circular groove, the trailing flank of the circle wheel carrier
Equipped with preceding circular groove symmetrically after circular groove, the centre of the circle wheel carrier is equipped with centre bore, and the circular wheel mounts
In in the circular recess of front and back and centre bore pass through newel, it is described circle wheel carrier rear circular groove in be arranged with a circle circle spiral
One of spring leaf, the helical spring piece is fixedly connected with the side wall of rear circular groove, and other end is fixedly connected with newel,
The peripheral surface of the circle wheel carrier is wound with a circle circle connecting band, and one end of the connecting band and the side wall of preceding circular groove are solid
Fixed connection, the other end stretches out opposite front and back notch and is fixedly connected with back porch joint housing, on the outside of the front and back notch
Snap ring is connected in connecting band, and helical spring piece is more and more tighter when continuous pull-out outward out of front and rear housings for the connecting band.
2. fixable nuclear magnetic resonance shoulder joint coil according to claim 1, which is characterized in that circular groove after described
Side wall on be integrally formed the convex block of oriented centre bore protrusion, the convex block is equipped with the line of rabbet joint, one of the helical spring piece
Setting, which circularizes, to be nested in the line of rabbet joint.
3. fixable nuclear magnetic resonance shoulder joint coil according to claim 1, which is characterized in that set on the newel
There is flat recess, the other end of the helical spring piece is set as crotch and is connected in flat recess.
4. fixable nuclear magnetic resonance shoulder joint coil according to claim 3, which is characterized in that the newel is sky
Stem, the open tubular column it is hollow in be interspersed with to helical spring piece squeeze T-type card plug.
5. fixable nuclear magnetic resonance shoulder joint coil according to claim 1, which is characterized in that the preceding circular groove
Side wall on set there are two opening, one end of the connecting band be set as annular be set in two opening in.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821492900.2U CN208958120U (en) | 2018-09-12 | 2018-09-12 | A kind of fixable nuclear magnetic resonance shoulder joint coil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821492900.2U CN208958120U (en) | 2018-09-12 | 2018-09-12 | A kind of fixable nuclear magnetic resonance shoulder joint coil |
Publications (1)
Publication Number | Publication Date |
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CN208958120U true CN208958120U (en) | 2019-06-11 |
Family
ID=66755064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821492900.2U Expired - Fee Related CN208958120U (en) | 2018-09-12 | 2018-09-12 | A kind of fixable nuclear magnetic resonance shoulder joint coil |
Country Status (1)
Country | Link |
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CN (1) | CN208958120U (en) |
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2018
- 2018-09-12 CN CN201821492900.2U patent/CN208958120U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 Termination date: 20200912 |