CN109247962A - Hand-held temporomandibular joint mouth retractor - Google Patents
Hand-held temporomandibular joint mouth retractor Download PDFInfo
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- CN109247962A CN109247962A CN201810963115.9A CN201810963115A CN109247962A CN 109247962 A CN109247962 A CN 109247962A CN 201810963115 A CN201810963115 A CN 201810963115A CN 109247962 A CN109247962 A CN 109247962A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
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Abstract
The present invention relates to temporomandibular joints to retract technical field, and disclose a kind of hand-held temporomandibular joint mouth retractor, mechanism is retracted including first, described first, which retracts mechanism, supports piece by integrated molding and the sequentially connected upper jaw, first connection sheet, first retracts handle composition, it is equipped in first aperture of the first traction mechanism and piece is supported by integrated molding and sequentially connected lower jaw, second connection sheet, second retracts the second traction mechanism of handle composition, second retracts the 4th aperture of mechanism and connecting shaft pivot bush unit, the right side for the connecting shaft that left side is run through the second aperture of the first traction mechanism and connect with the right side center of the first axle bed is run through the third aperture of the first traction mechanism and is connect with the left side center of the second axle bed, reset spring is installed between first traction handle and the second traction handle.The problem of present invention solves the upper jaw lower jaw of temporomandibular joint, can not realize effective traction.
Description
Technical field
The present invention relates to temporomandibular joints to retract technical field, specially a kind of hand-held temporomandibular joint mouth retractor.
Background technique
Temporomandibular arthritis refers to the pain due to caused by Temporomandibular Joint Pain-dysfunction or structural damage, moving obstacle etc.
The syndrome of symptom, painful area can be in hinge area or periarticulars, and can be with the tenderness of weight not etc., and joint acid is swollen or pain
Pain especially to chew and dehisce when it is obvious, the different phase in mandibular movement can occur for snap appearance when dehiscing activity, sound, can
For clear and melodious single sound or the cipher sound of fragmentation, common movement hinders to be limitation of mouth opening, Mandibular Deviation when dehiscing, lower jaw or so
Side limitation of movement etc..In addition, can also usually be needed with the symptoms such as temples pain, dizziness, tinnitus, making a definite diagnosis and treating for above-mentioned illness
The upper jaw of the temporomandibular joint of patient and lower jaw are effectively retracted, can be implemented.
The present invention provides a kind of hand-held temporomandibular joint mouth retractor, has and efficiently retract temporomandibular joint, effectively protect
Retaining cavity wall, effective protection lip, effectively retract lower jaw on temporomandibular joint with etc. effectively firm retractor technological merit.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of hand-held temporomandibular joint mouth retractor, have efficiently
Retract temporomandibular joint, effective protection oral cavity wall, effective protection lip, effectively retract on temporomandibular joint lower jaw with etc. it is effectively firm
The problem of retractor advantage solves the upper jaw lower jaw of temporomandibular joint, can not realize effective traction.
(2) technical solution
To realize above-mentioned efficient traction temporomandibular joint, effective protection oral cavity wall, effective protection lip, effectively retracting temporo jaw
The purpose of lower jaw and equal effectively firm retractor on joint, the invention provides the following technical scheme:
Hand-held temporomandibular joint mouth retractor, including the first traction mechanism, described first retracts mechanism by being integrally formed
And successively the upper jaw interconnected supports piece, the first connection sheet, the first traction handle composition, top side has the smooth convex surface of arc, bottom
Side with the smooth concave surface of arc, free end there is the upper jaw on the smooth convex surface of arc to support the connecting end surface center of piece and its top side and have
There is the first end face of the first connection sheet of the smooth concave surface of arc to be fixedly connected for the smooth convex surface of arc, bottom side, push up on the two sides of bottom
Second end center offer the second end on the first aperture and the first connection sheet left side and offer and mutually interconnected with the first aperture
Second end in logical the second aperture, the first connection sheet right side offers the of the third aperture being interconnected with the first aperture
The second end face of a connecting piece is fixedly connected with the connecting end surface of the first traction handle, the smooth convex surface center of superognathal plate top side arc
Tangent line and the first smooth convex surface center of connection sheet top side arc tangent line in the settings of 25 degree angles, the first connection sheet top side arc
Horizontal plane where the tangent line at smooth convex surface center and the first traction handle top side face is arranged in 100 degree of angles；
First traction mechanism the first aperture in be equipped with by be integrally formed and successively lower jaw interconnected support piece, second
Connection sheet, second retract the second of handle composition and retract mechanism, and bottom side has arc smoothly recessed with the smooth convex surface of arc, top side
Face, lower jaw of the free end with the smooth convex surface of arc connecting end surface center and its bottom side to piece have the smooth convex surface of arc, top
There is the second end face of the second connection sheet of the smooth concave surface of arc to be fixedly connected for side, and the second end center in left and right sides opens up
There are the second end face of the second connection sheet of the 4th aperture and the connecting end surface of the second traction handle to be fixedly connected, infragnathal plate bottom side arc
The tangent line at the smooth convex surface center of shape and the tangent line at the second smooth convex surface center of connection sheet bottom side arc are arranged in 25 degree of angles, and second
The tangent line at the smooth convex surface center of connection sheet bottom side arc is set with the horizontal plane where the second traction handle bottom side in 100 degree of angles
It sets；
The inner sidewall and connecting shaft for retracting the 4th aperture that mechanism retracts mechanism in the second of the setting that cooperates with first
The lateral wall of axial centre is arranged in pivot bush unit, and left side, which runs through the second aperture of the first traction mechanism and extends to second, opens
Hole left side side and the right side for the connecting shaft being fixedly connected with the right side center of the first axle bed retract the of mechanism through first
Three apertures simultaneously extend to third aperture right side side and are fixedly connected with the left side center of the second axle bed；
The second traction handle that first the first top side face center for retracting handle for retracting mechanism retracts mechanism with second
Reset spring is installed, the bottom end and top of reset spring retract respectively with first in the top side face of handle between bottom side center
The bottom side center of the heart and the second traction handle is fixedly connected.
Preferably, the upper jaw of first traction mechanism is equipped with U-shaped shape setting on piece and apical lateral has
The smooth convex surface of arc, Basolateral have first silica gel sheath on the smooth convex surface of arc with the smooth concave surface of arc, closed end outside,
The smooth convex surface of arc on the inside of the smooth concave surface of arc of first silica gel sheath top inner side, bottom end, the arc on the inside of closed end are smooth
The upper jaw that concave surface retracts mechanism with first respectively supports the smooth convex surface of arc between the top side center and free end of piece, center of underside
The smooth convex surface of arc of the smooth concave surface of arc, free end between free end is fixedly connected；
The lower jaw of second traction mechanism is equipped with U-shaped shape setting on piece and Basolateral has arc smoothly convex
Face, apical lateral are with second silica gel sheath on the outside of the smooth concave surface of arc, closed end with the smooth convex surface of arc, the second silica gel sheath
The smooth concave surface of arc on the inside of the smooth convex surface of arc of the smooth concave surface of arc, top inner side on the inside of bottom end, closed end respectively with
Second retract mechanism lower jaw support piece center of underside and free end between the smooth convex surface of arc, top side center and free end it
Between the smooth concave surface of arc, free end the smooth convex surface of arc be fixedly connected.
Preferably, it is described first traction mechanism first traction handle bottom side on be evenly equipped with by be integrally formed and successively
The protrusion of continuously smooth connection and the first asperity of recess portion composition, the section of the recess portion of the first asperity shape triangular in shape,
The section of protrusion is in isosceles-trapezium-shaped；
Second traction mechanism second traction handle top side face on be evenly equipped with by be integrally formed and successively continuously smooth connect
The protrusion connect and recess portion composition the second asperity, the section of the recess portion of the second asperity shape triangular in shape, protrusion section
In isosceles-trapezium-shaped.
Preferably, section is installed in the first connection sheet of first traction mechanism to be made of two circular sliding slopes and bottom
Side has first silicagel pad on the smooth convex surface of arc with the smooth concave surface of arc, top side, and the arc of the first silicagel pad bottom side is smooth
Concave surface is fixedly connected with the smooth convex surface of arc at the first connection sheet top side center of the first traction mechanism；
Second traction mechanism the second connection sheet on be equipped with section be made of two circular sliding slopes and top side have arc
Smooth concave surface, bottom side have second silicagel pad on the smooth convex surface of arc, the smooth concave surface of arc and second of the second silicagel pad top side
The smooth convex surface of arc for retracting the second connection sheet center of underside of mechanism is fixedly connected.
Preferably, top side tool is installed on the smooth concave surface of arc of the first traction handle bottom side of first traction mechanism
There are the smooth convex surface of arc, bottom side that there is the first anti-slip layer of the smooth concave surface of arc, the smooth convex surface of arc of the first anti-slip layer top side
It is fixedly connected with the smooth concave surface of arc of the first traction handle center of underside of the first traction mechanism；
It is smooth with arc that bottom side is installed on the smooth concave surface of arc of second traction handle top side of the second traction mechanism
Convex surface, top side have the second anti-slip layer of the smooth concave surface of arc, and the smooth convex surface of arc of the second anti-slip layer bottom side is retracted with second
The smooth concave surface of arc at the second traction handle top side center of mechanism is fixedly connected.
Preferably, the first of first traction mechanism retracts the internal screw thread and branch of the threaded hole at the top side face center of handle
External screw thread on the lateral wall of dagger axial direction bottom end is connected with each other by screw thread, and the lateral wall on support column axial direction top is led with second
The second of opening mechanism retracts the inner sidewall frictional connection of the fixation hole at the bottom side center of handle.
Preferably, radial section is uniformly provided on the lateral wall of the connecting shaft axial centre to be arranged in annular shape
Concave ring, the difference of the inside and outside circular diameter of concave ring radial section is 1/5th of connecting shaft radial section diameter.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of hand-held temporomandibular joint mouth retractor, have following beneficial
Effect:
1, the mouth retractor is opened by retracting the 4th of mechanism in the second of the setting that cooperates with the first traction mechanism
The inner sidewall in hole and the lateral wall of connecting shaft axial centre are arranged in pivot bush unit, and left side retracts the second of mechanism through first
The right side of aperture and the connecting shaft for extending to the second aperture left side side and being fixedly connected with the right side center of the first axle bed is passed through
It wears the third aperture of the first traction mechanism and extends to third aperture right side side and fixed with the left side center of the second axle bed and connect
It connects, the bottom side for the second traction handle that the first the first top side face center for retracting handle for retracting mechanism retracts mechanism with second
Reset spring is installed, reset spring can make the top side face of the first traction handle and the using own resilient effect between center
The bottom side of two traction handles is moved away from, and the bottom that the top side face of the first traction handle retracts handle with second is gradually increased
The distance between side, according to lever principle, first upper jaw for retracting mechanism supports the bottom side of piece and second and retracts under mechanism
The top side face that jaw supports piece is gradually distance from, until the spacing that the upper jaw supports the bottom side of piece and lower jaw supports between the top side face of piece reaches most
Greatly, the upper jaw of temporomandibular joint is resisted upwards by the smooth convex surface of arc that the upper jaw supports piece top side, lower jaw is supported the arc of piece by lower jaw
Smooth convex surface resists downwards, realizes the technical effect for efficiently retracting temporomandibular joint, solves the upper jaw lower jaw of temporomandibular joint, no
The technical issues of can be realized effective traction.
2, the mouth retractor is equipped with U-shaped shape setting and top by supporting on piece in the upper jaw of the first traction mechanism
End outside has the smooth convex surface of arc with the smooth concave surface of arc, closed end outside with the smooth convex surface of arc, Basolateral
The lower jaw of first silica gel sheath, the second traction mechanism is equipped with U-shaped shape setting on piece and Basolateral has arc smooth
Convex surface, apical lateral have buffering with second silica gel sheath on the outside of the smooth concave surface of arc, closed end with the smooth convex surface of arc
Effect the first silica gel sheath, the second silica gel sheath can the intraoral upper jaw mucous membrane of effective protection and lower jaw mucous membrane, reduce the upper jaw support
Piece, lower jaw support upper jaw mucous membrane, lower jaw mucous membrane in piece scratch cavity, realize the technical effect of effective protection oral cavity wall.
3, the mouth retractor is connected by being equipped with section in the first connection sheet of the first traction mechanism by two circular arcs
Connect composition and first silicagel pad of the bottom side with the smooth concave surface of arc, top side with the smooth convex surface of arc, second retracts mechanism
It is equipped with that section is made of two circular sliding slopes and top side is put down with the smooth concave surface of arc, bottom side with arc in second connection sheet
Second silicagel pad on sliding convex surface, the first silicagel pad, the second silicagel pad with buffer function can effective protection upper lip and under
Lip reduces the first connection sheet, the second connection sheet scratch upper lip and lower lip, realizes the technology effect of effective protection lip
Fruit.
4, the mouth retractor retracts in the threaded hole at the first top side face center for retracting handle of mechanism by first
External screw thread on screw thread and the lateral wall of support column axial direction bottom end is connected with each other by screw thread, the lateral wall on support column axial direction top
The inner sidewall frictional connection for the fixation hole for retracting the bottom side center that the second of mechanism retracts handle with second, the bottom end of support column
Realize that fixed, top is nested in the fixation hole for retracting handle second by screw thread with the first traction handle, support column can have
The bottom side that effect ground makes the top side face of the first traction handle retract handle with second is separated, to make the first traction mechanism
The top side face progress that the lower jaw that the upper jaw supports the bottom side of piece and second retracts mechanism supports piece is separate, realizes effective temporo jaw that retracts and closes
Save maxillomandibular technical effect.
5, mouth retractor, by being uniformly provided with radial section on the lateral wall of connecting shaft axial centre in annulus
The concave ring of shape shape setting, the difference of the inside and outside circular diameter of concave ring radial section are 1/5th of connecting shaft radial section diameter,
Concave ring increases the crude extent on connecting shaft lateral wall, improves the 4th aperture of the second connection sheet of the second traction mechanism
Coefficient of friction between inner sidewall and connecting shaft axial centre reduces the 4th aperture of the second traction mechanism in connecting shaft
Slewing rate realizes the technical effect of effectively firm retractor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hand-held temporomandibular joint mouth retractor of the present invention；
Fig. 2 is the structural schematic diagram of the first traction mechanism of the invention；
Fig. 3 is the structural schematic diagram of the second traction mechanism of the invention；
Fig. 4 is the structural schematic diagram of the first embodiment of connecting shaft of the invention；
Fig. 5 is the left view of second of embodiment of hand-held temporomandibular joint mouth retractor of the present invention；
Fig. 6 is the left view of the third embodiment of hand-held temporomandibular joint mouth retractor of the present invention；
Fig. 7 is the structural schematic diagram of the first traction mechanism of the invention, the second traction mechanism and support column；
Fig. 8 is the structural schematic diagram of second of embodiment of connecting shaft of the invention.
Indicate in figure: 1- first retracts mechanism, the first aperture of 101-, the second aperture of 102-, 103- third aperture, 104- the
One silica gel sheath, the first asperity of 105-, the first silicagel pad of 106-, the first anti-slip layer of 107-, 108- threaded hole；
2- second retracts mechanism, the 4th aperture of 201-, the second silica gel sheath of 202-, the second asperity of 203-, the second silicon of 204-
Rubber mat, the second anti-slip layer of 205-, 206- fixation hole；
3- connecting shaft, the first axle bed of 301-, the second axle bed of 302-, 303- concave ring；
4- reset spring, 5- support column.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Hand-held temporomandibular joint mouth retractor, referring to Fig. 1, including the first traction mechanism 1, described first retracts mechanism 1
It supports piece, the first connection sheet, the first traction handle by integrated molding and the successively upper jaw interconnected to form, top side is flat with arc
Sliding convex surface, bottom side have the smooth concave surface of arc, free end have the upper jaw on the smooth convex surface of arc support piece connecting end surface center and
The first end face of first connection sheet of its top side with the smooth convex surface of arc, bottom side with the smooth concave surface of arc is fixedly connected, such as
Shown in Fig. 2, the second end center pushed up on the two sides of bottom offers the second end on the first aperture 101 and the first connection sheet left side
Offer the second aperture 102 being interconnected with the first aperture 101, the second end on the first connection sheet right side offers and the
The connecting end surface that the second end face of first connection sheet of the interconnected third aperture 103 of one aperture 101 retracts handle with first
It is fixedly connected, the tangent line at the smooth convex surface center of superognathal plate top side arc and cutting for the first connection sheet top side smooth convex surface center of arc
Line retracts handle top side face place in 25 degree of angle settings, the tangent line at the first smooth convex surface center of connection sheet top side arc and first
Horizontal plane be arranged in 100 degree angles；
First traction mechanism 1 the first aperture 101 in be equipped with by be integrally formed and successively lower jaw interconnected support piece,
Second connection sheet, second retract the second of handle composition and retract mechanism 2, and bottom side has arc with the smooth convex surface of arc, top side
Smooth concave surface, lower jaw of the free end with the smooth convex surface of arc connecting end surface center and its bottom side to piece have arc smoothly convex
There is the second end face of the second connection sheet of the smooth concave surface of arc to be fixedly connected for face, top side, as shown in figure 3, in left and right sides
Second end center offer the 4th aperture 201 the second connection sheet second end face with second retract handle connecting end surface it is solid
Fixed connection, the tangent line of the tangent line at the smooth convex surface center of infragnathal plate bottom side arc and the second smooth convex surface center of connection sheet bottom side arc
It is arranged in 25 degree of angles, where the tangent line at the second smooth convex surface center of connection sheet bottom side arc and the second traction handle bottom side
Horizontal plane is in 100 degree of angle settings；
The inner sidewall for retracting the 4th aperture 201 that mechanism 1 retracts mechanism 2 in the second of the setting that cooperates with first and company
The lateral wall of 3 axial centre of spindle is arranged in pivot bush unit, as shown in figure 4, left side is opened through the second of the first traction mechanism 1
Hole 102 simultaneously extends to 102 left side side of the second aperture and the connecting shaft 3 that is fixedly connected with the right side center of the first axle bed 301
Right side through first traction mechanism 1 third aperture 103 and extend to 103 right side side of third aperture and with the second axle bed 302
Left side center be fixedly connected；
The second traction handle that first the first top side face center for retracting handle for retracting mechanism 1 retracts mechanism 2 with second
Bottom side center between reset spring 4 is installed, the top side that the bottom end and top of reset spring 4 retract handle with first respectively
Face center is fixedly connected with the bottom side center of the second traction handle.
Preferably, as shown in figure 5, the upper jaw of first traction mechanism 1, which supports on piece, is equipped with U-shaped shape setting and top
End outside has the smooth convex surface of arc with the smooth concave surface of arc, closed end outside with the smooth convex surface of arc, Basolateral
First silica gel sheath 104, the smooth convex surface of arc, closing on the inside of the smooth concave surface of arc of 104 top inner side of the first silica gel sheath, bottom end
The smooth concave surface of arc of inside is held to retract the upper jaw of mechanism 1 with first respectively to the arc between the top side center and free end of piece
Smoothly the smooth concave surface of arc between convex surface, center of underside and free end, free end the smooth convex surface of arc be fixedly connected；
The lower jaw of second traction mechanism 2 is equipped with U-shaped shape setting on piece and Basolateral has arc smoothly convex
Face, apical lateral are with second silica gel sheath 202 on the outside of the smooth concave surface of arc, closed end with the smooth convex surface of arc, the second silicon
The smooth concave surface of arc on the inside of the smooth convex surface of arc of the smooth concave surface of arc, top inner side on the inside of 202 bottom end of gum cover, closed end
Respectively with second retract mechanism 2 lower jaw support piece center of underside and free end between the smooth convex surface of arc, top side center and
The smooth convex surface of arc of the smooth concave surface of arc, free end between free end is fixedly connected.
Preferably, it is described first traction mechanism 1 first traction handle bottom side on be evenly equipped with by be integrally formed and according to
The protrusion of secondary continuously smooth connection and the first asperity 105 of recess portion composition, the section of the recess portion of the first asperity 105 is in triangle
Shape shape, protrusion section be in isosceles-trapezium-shaped；
Second traction mechanism 2 second traction handle top side face on be evenly equipped with by be integrally formed and successively continuously smooth connect
Second asperity 203 of the protrusion connect and recess portion composition, the section shape triangular in shape of the recess portion of the second asperity 203, protrusion
Section be in isosceles-trapezium-shaped.
Preferably, as shown in fig. 6, being equipped with section by two circular arcs in the first connection sheet of first traction mechanism 1
Connection composition and bottom side have first silicagel pad 106 on the smooth convex surface of arc, the first silicagel pad with the smooth concave surface of arc, top side
The smooth convex surface of the arc at the first connection sheet top side center that the smooth concave surface of the arc of 106 bottom sides retracts mechanism 1 with first is fixed to be connected
It connects；
Second traction mechanism 2 the second connection sheet on be equipped with section be made of two circular sliding slopes and top side have arc
Smooth concave surface, bottom side have second silicagel pad 204 on the smooth convex surface of arc, the smooth concave surface of arc of 204 top side of the second silicagel pad
It is fixedly connected with the smooth convex surface of arc of the second connection sheet center of underside of the second traction mechanism 2.
Preferably, top side is installed on the smooth concave surface of arc of the first traction handle bottom side of first traction mechanism 1
There is the first anti-slip layer 107 of the smooth concave surface of arc, the arc of 107 top side of the first anti-slip layer with the smooth convex surface of arc, bottom side
Smooth convex surface is fixedly connected with the smooth concave surface of arc of the first traction handle center of underside of the first traction mechanism 1；
It is smooth with arc that bottom side is installed on the smooth concave surface of arc of second traction handle top side of the second traction mechanism 2
Convex surface, top side have the second anti-slip layer 205 of the smooth concave surface of arc, the smooth convex surface of arc of 205 bottom side of the second anti-slip layer and the
The smooth concave surface of arc at the second traction handle top side center of two traction mechanisms 2 is fixedly connected.
Preferably, as shown in fig. 7, described first retracts the threaded hole at the top side face center of the first traction handle of mechanism 1
External screw thread on the lateral wall of the 108 axial bottom end of internal screw thread and support column 5 is connected with each other by screw thread, the axial top of support column 5
The inside wall friction of the fixation hole 206 at the bottom side center of the lateral wall at end and the second traction handle of the second traction mechanism 2 connects
It connects.
Preferably, as shown in figure 8, being uniformly provided with radial section on the lateral wall of 3 axial centre of the connecting shaft in circle
The concave ring 303 of annular shape setting, the difference of the inside and outside circular diameter of 303 radial section of concave ring are 3 radial section diameter of connecting shaft
1/5th.
When work, the first bottom side and the of the second traction mechanism 2 for retracting handle that one hand holds the first traction mechanism 1
Two retract the top side face of handle, make the first of the first traction mechanism 1 to retract the top side face of handle and second and retract the second of mechanism 2
The bottom side for retracting handle is moved towards, and the bottom side that the top side face of the first traction handle retracts handle with second is gradually reduced
The distance between face, according to lever principle, first upper jaw for retracting mechanism 1 supports the bottom side of piece and second and retracts under mechanism 2
The top side face that jaw supports piece moves closer to, when the spacing between the top side face that the upper jaw supports the bottom side of piece and lower jaw supports piece reaches minimum
When, the lower jaw that the upper jaw that first retracts mechanism 1 supports piece and the second traction mechanism 2 is supported in piece insertion human oral cavity, the upper jaw is supported
The smooth convex surface of the arc of piece top side resist the intraoral upper jaw, lower jaw support piece bottom side the smooth convex surface of arc resist it is intraoral under
Jaw, slow release is applied to the pressure on the first traction handle bottom side and the second traction handle top side face at this time, is resetting bullet
Under the elastic force effect of spring 4, the top side face of the first traction handle and the bottom side of the second traction handle are moved away from, and are gradually increased
The distance between the bottom side that big first top side face for retracting handle retracts handle with second, retracts according to lever principle, first
The upper jaw of mechanism 1 supports the bottom side of piece and the lower jaw of the second traction mechanism 2 is gradually distance to the top side face of piece, until the upper jaw supports piece
Bottom side and the spacing supported between the top side face of piece of lower jaw reach maximum, the upper jaw of temporomandibular joint is supported the arc of piece top side by the upper jaw
The smooth convex surface of shape resists upwards, lower jaw is resisted downwards by the smooth convex surface of arc that lower jaw supports piece, completes to retract temporomandibular joint
Work.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. hand-held temporomandibular joint mouth retractor, including the first traction mechanism (1), it is characterised in that: described first retracts machine
Structure (1) supports piece, the first connection sheet, the first traction handle by integrated molding and the successively upper jaw interconnected and forms, and top side has
The smooth convex surface of arc, bottom side have connecting end surface of the upper jaw on the smooth convex surface of arc to piece with the smooth concave surface of arc, free end
Center and its top side have the fixed company of first end face of the first connection sheet of the smooth concave surface of arc with the smooth convex surface of arc, bottom side
It connects, pushes up the second end that the second end center on the two sides of bottom offers on the first aperture (101) and the first connection sheet left side and open
Offered equipped with the second aperture (102) being interconnected with the first aperture (101), the second end on the first connection sheet right side and
The company that the second end face of first connection sheet of the interconnected third aperture (103) of the first aperture (101) retracts handle with first
Contact surface is fixedly connected, in the tangent line at the smooth convex surface center of superognathal plate top side arc and the first connection sheet top side smooth convex surface of arc
The tangent line of the heart retracts handle top side in 25 degree of angle settings, the tangent line at the first smooth convex surface center of connection sheet top side arc and first
Horizontal plane where face is in 100 degree of angle settings；
First retract mechanism (1) the first aperture (101) in be equipped with by be integrally formed and successively lower jaw interconnected support piece,
Second connection sheet, second retract the second of handle composition and retract mechanism (2), and bottom side has arc with the smooth convex surface of arc, top side
The smooth concave surface of shape, lower jaw of the free end with the smooth convex surface of arc connecting end surface center and its bottom side to piece have arc smooth
There is the second end face of the second connection sheet of the smooth concave surface of arc to be fixedly connected for convex surface, top side, the second end in left and right sides
The connecting end surface that the second end face that center offers the second connection sheet of the 4th aperture (201) retracts handle with second is fixed to be connected
It connects, the tangent line at the tangent line at the smooth convex surface center of infragnathal plate bottom side arc and the second smooth convex surface center of connection sheet bottom side arc is in 25
Angle setting is spent, the tangent line at the second smooth convex surface center of connection sheet bottom side arc and second retract the level where handle bottom side
Face is in 100 degree of angle settings；
With first retract mechanism (1) in cooperate setting second retract mechanism (2) the 4th aperture (201) inner sidewall with
The lateral wall of connecting shaft (3) axial centre is arranged in pivot bush unit, the second aperture that left side retracts mechanism (1) through first
(102) and the connecting shaft that extends to the second aperture (102) left side side and be fixedly connected with the right side center of the first axle bed (301)
(3) right side through first retract mechanism (1) third aperture (103) and extend to third aperture (103) right side side and with
The left side center of second axle bed (302) is fixedly connected；
The second traction handle that first the first top side face center for retracting handle for retracting mechanism (1) retracts mechanism (2) with second
Bottom side center between be equipped with reset spring (4), the bottom end and top of reset spring (4) retracts handle with first respectively
Top side face center is fixedly connected with the bottom side center of the second traction handle.
2. hand-held temporomandibular joint mouth retractor according to claim 1, it is characterised in that: described first retracts mechanism
(1) the upper jaw supports on piece and is equipped with U-shaped shape setting and apical lateral with the smooth convex surface of arc, Basolateral with arc
There is first silica gel sheath (104) on the smooth convex surface of arc, the first silica gel sheath (104) top inner side on the outside of smooth concave surface, closed end
The smooth concave surface of arc, the smooth convex surface of arc on the inside of bottom end, the smooth concave surface of arc on the inside of closed end retract with first respectively
The upper jaw of mechanism (1) supports between the smooth convex surface of arc between the top side center and free end of piece, center of underside and free end
The smooth concave surface of arc, free end the smooth convex surface of arc be fixedly connected；
Second lower jaw for retracting mechanism (2) support on piece the setting of U-shaped shape is installed and Basolateral have the smooth convex surface of arc,
Apical lateral is with second silica gel sheath (202) on the outside of the smooth concave surface of arc, closed end with the smooth convex surface of arc, the second silica gel
Cover the smooth concave surface of arc on the inside of (202) bottom end, the smooth convex surface of arc of top inner side, the smooth concave surface of arc on the inside of closed end
The lower jaw for retracting mechanism (2) with second respectively supports the smooth convex surface of arc, top side center between the center of underside and free end of piece
The smooth convex surface of arc of the smooth concave surface of arc, free end between free end is fixedly connected.
3. hand-held temporomandibular joint mouth retractor according to claim 1, it is characterised in that: described first retracts mechanism
(1) first traction handle bottom side on be evenly equipped with by be integrally formed and successively continuously smooth connection protrusion and recess portion form
The first asperity (105), the section shape triangular in shape of the recess portion of the first asperity (105), protrusion section in isosceles ladder
Shape shape；
It is evenly equipped in the top side face of second traction handle of the second traction mechanism (2) by integrated molding and successively continuously smooth connection
Protrusion and recess portion composition the second asperity (203), it is the section shape triangular in shape of the recess portion of the second asperity (203), convex
The section in portion is in isosceles-trapezium-shaped.
4. hand-held temporomandibular joint mouth retractor according to claim 1, it is characterised in that: described first retracts mechanism
(1) it is equipped with that section is made of two circular sliding slopes and there is the smooth concave surface of arc, top side to have for bottom side in the first connection sheet
First silicagel pad (106) on the smooth convex surface of arc, the smooth concave surface of arc of the first silicagel pad (106) bottom side retract mechanism with first
(1) the smooth convex surface of arc at the first connection sheet top side center is fixedly connected；
Second retracts and is equipped with that section is made of two circular sliding slopes and top side is put down with arc in second connection sheet of mechanism (2)
Sliding concave surface, bottom side have second silicagel pad (204) on the smooth convex surface of arc, and the arc of the second silicagel pad (204) top side is smoothly recessed
The smooth convex surface of arc for the second connection sheet center of underside that face retracts mechanism (2) with second is fixedly connected.
5. hand-held temporomandibular joint mouth retractor according to claim 1, it is characterised in that: described first retracts mechanism
(1) being equipped with top side on the smooth concave surface of arc of the first traction handle bottom side has arc with the smooth convex surface of arc, bottom side
The first anti-slip layer (107) of smooth concave surface, the smooth convex surface of arc of the first anti-slip layer (107) top side retract mechanism (1) with first
First traction handle center of underside the smooth concave surface of arc be fixedly connected；
It is smoothly convex with arc that bottom side is installed on the smooth concave surface of arc of second traction handle top side of the second traction mechanism (2)
Face, top side have the smooth concave surface of arc the second anti-slip layer (205), the smooth convex surface of arc of the second anti-slip layer (205) bottom side with
The second smooth concave surface of arc for retracting the second traction handle top side center of mechanism (2) is fixedly connected.
6. hand-held temporomandibular joint mouth retractor according to claim 1, it is characterised in that: described first retracts mechanism
(1) first retracts the internal screw thread of the threaded hole (108) at the top side face center of handle and the lateral wall of support column (5) axial bottom end
On external screw thread be connected with each other by screw thread, the lateral wall on support column (5) axial direction top and second leading for the second traction mechanism (2)
The inner sidewall frictional connection of the fixation hole (206) at the bottom side center of opened handle.
7. hand-held temporomandibular joint mouth retractor according to claim 1, it is characterised in that: connecting shaft (3) axis
The concave ring (303) that radial section is in annular shape setting is uniformly provided on the lateral wall at center, concave ring (303) radially cuts open
The difference of the inside and outside circular diameter in face is 1/5th of connecting shaft (3) radial section diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963115.9A CN109247962B (en) | 2018-08-22 | 2018-08-22 | Hand-held temporomandibular joint retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963115.9A CN109247962B (en) | 2018-08-22 | 2018-08-22 | Hand-held temporomandibular joint retractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109247962A true CN109247962A (en) | 2019-01-22 |
| CN109247962B CN109247962B (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810963115.9A Active CN109247962B (en) | 2018-08-22 | 2018-08-22 | Hand-held temporomandibular joint retractor |
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| Country | Link |
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| CN (1) | CN109247962B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183057A (en) * | 1991-07-30 | 1993-02-02 | Syrop Steven B | Fluid motion device (FMD) for exercising the temporomandibular joint |
| CN101862214A (en) * | 2010-05-26 | 2010-10-20 | 张益� | Temporal-mandibular joint opening pliers |
| CN201727691U (en) * | 2010-08-04 | 2011-02-02 | 高全文 | Temporomandibular joint opening tractor |
| WO2016135890A1 (en) * | 2015-02-25 | 2016-09-01 | オージー技研株式会社 | Jaw vibrating and traction treatment device |
| CN107970023A (en) * | 2017-11-09 | 2018-05-01 | 代洪波 | Mouth prop with defencive function |
| CN108175457A (en) * | 2017-11-08 | 2018-06-19 | 南京畅丰生物科技有限公司 | Retractor in temporomandibular joint mouth |
-
2018
- 2018-08-22 CN CN201810963115.9A patent/CN109247962B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183057A (en) * | 1991-07-30 | 1993-02-02 | Syrop Steven B | Fluid motion device (FMD) for exercising the temporomandibular joint |
| CN101862214A (en) * | 2010-05-26 | 2010-10-20 | 张益� | Temporal-mandibular joint opening pliers |
| CN201727691U (en) * | 2010-08-04 | 2011-02-02 | 高全文 | Temporomandibular joint opening tractor |
| WO2016135890A1 (en) * | 2015-02-25 | 2016-09-01 | オージー技研株式会社 | Jaw vibrating and traction treatment device |
| CN108175457A (en) * | 2017-11-08 | 2018-06-19 | 南京畅丰生物科技有限公司 | Retractor in temporomandibular joint mouth |
| CN107970023A (en) * | 2017-11-09 | 2018-05-01 | 代洪波 | Mouth prop with defencive function |
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| Publication number | Publication date |
|---|---|
| CN109247962B (en) | 2021-01-01 |
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Inventor after: Lv Jilian Inventor after: Liang Chunjie Inventor before: Liang Chunjie |
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Effective date of registration: 20201211 Address after: 450000 No. 1 Cooperative Road, Zhongyuan District, Zhengzhou City, Henan Province Applicant after: ZHENGZHOU CENTRAL Hospital Address before: 515136 maker base, No.21, East 11th lane, Shuangqi Qitou Xinzhai, Tongmeng Town, Chaoyang District, Shantou City, Guangdong Province Applicant before: Li Chanshan |
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