CN207708062U - Plaster slab - Google Patents
Plaster slab Download PDFInfo
- Publication number
- CN207708062U CN207708062U CN201720794028.6U CN201720794028U CN207708062U CN 207708062 U CN207708062 U CN 207708062U CN 201720794028 U CN201720794028 U CN 201720794028U CN 207708062 U CN207708062 U CN 207708062U
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- China
- Prior art keywords
- forearm
- plate
- upper arm
- plaster
- rear side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011505 plaster Substances 0.000 title claims abstract description 85
- 210000000245 forearm Anatomy 0.000 claims abstract description 101
- 230000002265 prevention Effects 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 3
- 210000002310 elbow joint Anatomy 0.000 abstract description 32
- 230000002980 postoperative effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 8
- 229910052602 gypsum Inorganic materials 0.000 description 5
- 239000010440 gypsum Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000036487 Arthropathies Diseases 0.000 description 1
- 208000025978 Athletic injury Diseases 0.000 description 1
- 206010062575 Muscle contracture Diseases 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 208000006111 contracture Diseases 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model discloses a kind of plaster slabs, including:Plaster splint comprising plaster splint and forearm rear side plaster splint on rear side of upper arm;Rotary joint comprising the upper arm plate of fixed upper arm rear side plaster splint, makes the rotary shaft of upper arm plate and the rotation connection of forearm plate and the pressing mechanism of locking and the rotation of realizing forearm plate and upper arm plate at the forearm plate being slidably connected with plaster splint on rear side of forearm;Pressing mechanism is arranged on the rotary shaft, and pressing mechanism includes press section, rotation prevention portion and limiting section, and upper arm plate is equipped with the positioning region of storage rotation prevention portion, forearm plate be equipped with the matched occlusion portion of limiting section, press section is set as:When rotation prevention portion is detached from positioning region, limiting section is separated with occlusion portion.The plaster slab of the utility model can be determined to fix outside angle in postoperative be timed with it of elbow joint, have the function that the postoperative early rehabilitation of prevention.
Description
Technical field
The utility model is related to area of medical devices, and more specifically the utility model is related to a kind of plaster slabs.
Background technology
Elbow joint is complicated composite joint, occurs after fracture and easily stiff, seriously affects the function of upper limb, to suffering from
The daily life and work of person causes great puzzlement, the serious physical and mental health for affecting patient, moreover, in recent years, with
The increase of traffic accident and working at height, the incidence of caused patient's early rehabilitation also rises year by year after wound, patient
Disability rate also increase year by year.Therefore, the prevention of elbow joint dysfunction just becomes a big hot and difficult issue of present medical field.
The cause of disease of early rehabilitation is complicated, often multifactor coefficient as a result, wherein periarticular soft tissues are viscous
Company, contracture, to thicken be considered as leading to the most common most important factor of early rehabilitation.In recent years, elbow joint orthoses is answered
With increasingly being paid attention to, in European and American developed countries, orthoses have become athletic injury surgery, Orthopeadic Surgery braking, it is fixed, control
It the advantages of main auxiliary device such as treatment, rehabilitation training, some orthopedists in China also begin to recognize orthoses, will be orthopedic
Device is applied to clinical neural rehabilitation and orthopedic rehabilitation field, but these applications be all elbow joint have occurred and that it is stiff after rehabilitation
Treatment there is no the play-by-play of early rehabilitation after how preventing injuries using orthoses, there is no at present after preventing injuries at present
The function brace of early rehabilitation.It can effectively restore to close using " timing is determined fixed outside angle " rehabilitation method after elbow joint trauma
Function is saved, and carries out needing to be applied to plaster slab when " timing is determined fixed outside angle " rehabilitation.Orthoses is Abroad in Recent Years
The novel gypsum support of development, its principle are the movable functions using the intersegmental metal hinge of gypsum, maintain the activity of damaged joints
Ability makes it to carry out reconditioning.And current orthoses application above must by brace producer personalized designs and making,
Production Time is long, of high cost, limits its popularization and application.Because the movable axis multidigit of orthoses is in the both sides of elbow joint, art is influenced
Mouth treatment and nursing, some orthoses are excessively heavy, are not used to need the patient of early postoperation rehabilitation.So current city
The plaster slab of early postoperation rehabilitation is not can apply on field.
Utility model content
One purpose of the utility model is to solve at least the above, and provide the advantages of at least will be described later.
The utility model is to provide plaster slab there are one purpose, determines outside angle admittedly in postoperative be timed with it of elbow joint
It is fixed, have the function that the postoperative early rehabilitation of prevention.The operation principle of the utility model:Using rotary joint by stone on rear side of upper arm
Cream clamping plate is connected with plaster splint on rear side of forearm, the activity point of view of plaster slab is controlled by rotary shaft and pressing mechanism, because of rotation
The movable axis of axis and elbow joint is not coaxial so that plaster splint on rear side of rotary shaft and the vertical join line of exercising elbow joint axis, forearm
Plaster splint distal end to exercising elbow joint axis vertical join line forms one three on rear side of distal end to rotary shaft vertical join line and forearm
It is angular, the activity of elbow joint is limited, therefore a sliding slot and slider are designed on forearm plate, before changing above-mentioned triangle
Plaster splint distal end reaches the variation of triangle interior angle to the length of rotary shaft vertical join line this length of side on rear side of arm, and elbow is made to close
The activity of section and rotary shaft is freely.
In order to realize these purposes and other advantages according to the present utility model, a kind of plaster slab is provided, including:
Plaster splint comprising plaster splint and forearm rear side plaster splint on rear side of upper arm;
Rotary joint comprising the upper arm plate of plaster splint and forearm rear side plaster splint sliding connect on rear side of fixed upper arm
The forearm plate that connects, the rotary shaft for making the upper arm plate and the forearm plate be rotatablely connected and realize the forearm plate and described
The pressing mechanism of locking and the rotation of upper arm plate;The pressing mechanism is arranged in the rotary shaft, and the pressing mechanism includes
Press section, rotation prevention portion and limiting section, the upper arm plate are equipped with the positioning region for storing the rotation prevention portion, and the forearm plate is equipped with and institute
The matched occlusion portion of limiting section is stated, the press section is set as:When the rotation prevention portion is detached from the positioning region, the limit
Portion is separated with the occlusion portion.
Preferably, further include bandage, plaster splint on rear side of upper arm is fixedly connected by the bandage with upper arm, will be after forearm
Side plaster splint is fixedly connected with forearm.
Preferably, on rear side of upper arm one end of plaster splint be equipped with the clamping of described upper arm plate one end and fixed groove,
The forearm plate is in separate rotary shaft and is not bonded in the side plate face of forearm equipped with sliding slot, and the sliding slot is interior to be equipped with slider,
The length of the slider is more than the length of the sliding slot, and one end and the plaster splint on rear side of forearm of the slider are clamped, make
On rear side of forearm plaster splint can be moved along the length direction of forearm with slider, to realize plaster splint on rear side of forearm
With being slidably connected for forearm plate.
Preferably, one end of the other end of the upper arm plate and the forearm plate is both provided with sleeve, in the sleeve
Equipped with the space passed through for the rotary shaft.
Preferably, the rotary shaft includes coaxial the first cylindrical portion and the second cylindrical portion, first cylindrical portion
Diameter is more than the diameter of second cylindrical portion, and the lower face of first cylindrical portion is equipped with first end face tooth and forms the limit
The middle part in position portion, second cylindrical portion is radially equipped with a pair of of locating rod and forms the rotation prevention portion, second cylindrical portion
The one end not connect with the first cylindrical portion is equipped with threaded hole in an axial direction;
The other end of the upper arm plate is equipped with the first sleeve, and first sleeve is equipped with supplies second cylindrical portion in an axial direction
The first space for passing through simultaneously forms the positioning region;
One end of the forearm plate is equipped with coaxial second sleeve and 3rd sleeve, and the second sleeve is in an axial direction to third
The direction of sleeve is recessed to form first annular recess portion, and the upper surface of the first annular recess portion is equipped with nibbles with the first end face tooth
The second end face tooth of conjunction simultaneously forms the occlusion portion, and the first annular recess portion is equipped with is passed through for second cylindrical portion in an axial direction
Second space, the second space and the first space penetrate through, and 3rd sleeve is recessed to be formed to the direction of second sleeve in an axial direction
Second annular recess;
One end that second cylindrical portion is not connect with first cylindrical portion is additionally provided with:It is screwed onto the spiral shell of the threaded hole
Nail, end face and the screw head connected fixed cover and both ends respectively with the end face of second annular recess and described
The inconsistent resetting spring of fixed cover;Wherein, the fixed cover is the hollow cylindrical structure of open at one end, the fixed cover
Open end stretches into second annular recess and does not contact the end face of second annular recess, and the fixed cover is by the reset
In spring is wrapped in, the fixed cover and the screw form the press section.
Preferably, the inside of first sleeve is additionally provided with the annular notch penetrated through with first space, the ring
The diameter of v notch v is less than outer diameter, the maximum width slightly larger than second cylindrical portion radially of first sleeve,
The position of the wherein described locating rod is set as:When the locating rod is located in the annular notch, the first end face tooth with
The second end face tooth disengaging is no longer engaged.
Preferably, the upper arm plate length is 8~10cm, and the length of the forearm plate is 4~7cm, the slider
Length be 8~10cm.
Preferably, the upper arm plate, the forearm plate and the slider are all made of metal material and are made.
Preferably, the sliding slot is two L-shaped of the opposite plate face being installed on rear side of the separate forearm of the forearm plate
Metallic plate is constituted, and the interior right angle of two L-shaped metal plates is opposite and the slider is limited in interior channel by formation, for described
Slider is slided along the length direction of forearm.
The utility model includes at least following advantageous effect:
The first, the rotary shaft of the rotary joint of the utility model plaster slab is located at the rear of elbow joint, can be according to elbow joint
Functional rehabilitation angle different when treating needs and adjusts and lock the angle of plaster splint, movable smooth, fixing-stable, gypsum
Clamping plate can cut load as needed, be applicable in the patient of all ages and classes, simple with rotary joint assembling, can complete, make in ward bedside
Make simple, quick;
The second, plaster splint on rear side of upper arm is connected using rotary joint with plaster splint on rear side of forearm, passes through rotary shaft
The activity point of view that plaster slab is controlled with pressing mechanism, because rotary shaft and the movable axis of elbow joint be not coaxial so that rotary shaft and elbow
Vertical join line, forearm rear side plaster splint distal end to rotary shaft vertical join line and the forearm rear side plaster splint of joint motion axis
Plate distal end to exercising elbow joint axis vertical join line forms a triangle, limits the activity of elbow joint, therefore on forearm plate
A sliding slot is designed, by changing above-mentioned triangle forearm rear side plaster splint distal end to the length of this length of side of rotary shaft vertical join line
Degree reaches the variation of triangle interior angle, makes the activity of elbow joint and rotary shaft freely, is timed with it elbow joint is postoperative
Determine to fix outside angle, has the function that the postoperative early rehabilitation of prevention;
Third, upper arm plate the other end be equipped with the first sleeve, the first sleeve is equipped with is passed through for second cylindrical portion in an axial direction
First space simultaneously forms positioning region;One end of forearm plate is equipped with coaxial second sleeve and 3rd sleeve, and second sleeve is in an axial direction
It is recessed to form first annular recess portion to the direction of 3rd sleeve, the upper surface of first annular recess portion is equipped with first end face tooth engagement
Second end face tooth and form the occlusion portion, first annular recess portion be equipped in an axial direction passed through for the second cylindrical portion it is second empty
Between, the second space and the first space penetrate through, and 3rd sleeve is recessed to form the second annular in an axial direction to the direction of second sleeve
Recess portion;Second sleeve, the first sleeve and 3rd sleeve are passed through from top to bottom by the second cylindrical portion, and forms positioning region and stings
Conjunction portion, the stabilization so that upper arm plate and forearm plate can be fixed to each other;
The inside of four, the first sleeves is additionally provided with the annular notch penetrated through with the first space, and the diameter of annular notch is less than
The outer diameter of first sleeve, the maximum width slightly larger than the second cylindrical portion radially, the position of locating rod are set as:When described
When locating rod is located in the annular notch, first end face tooth is no longer engaged with the disengaging of second end face tooth, passes through annular notch
Setting enables locating rod to be rotated in annular notch, so that upper arm plate and forearm plate can be rotated along rotary shaft, into one
Step facilitates the activity of elbow joint;
5th, the fixed cover and two that the screw by being screwed onto the threaded hole, end face are connected with the screw head
Resetting spring inconsistent with the end face of second annular recess and the fixed cover respectively is held to make fixed cover and screw shaped
At press section, pressing fixed cover pushes locating rod to be detached from the positioning region, drives the first end face tooth and the second end
Face tooth separation, to rotate forearm plate to change the opening angle of the rotary joint, and then adjusts the activity point of view of elbow joint.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structural schematic diagram of plaster slab;
Fig. 2 is the structural schematic diagram of rotary joint;
Fig. 3 is the structural schematic diagram of forearm plate;
Fig. 4 is the structural schematic diagram of rotary shaft;
Fig. 5 is the structural schematic diagram of upper arm plate;
Fig. 6 is the structural schematic diagram of fixed cover;
Fig. 7 is the structural schematic diagram of screw;
Fig. 8 is the structural schematic diagram of sliding slot and slider;
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in Fig. 1~8, a kind of plaster slab, including:
Plaster splint comprising plaster splint 51 and forearm rear side plaster splint 52 on rear side of upper arm;
Rotary joint comprising the upper arm plate 1 of plaster splint 51 and forearm rear side plaster splint 52 are slided on rear side of fixed upper arm
The forearm plate 2 of dynamic connection, the rotary shaft 3 for making the upper arm plate 1 and the forearm plate 2 be rotatablely connected and the realization forearm
The pressing mechanism of locking and the rotation of plate 2 and the upper arm plate 1;The pressing mechanism is arranged in the rotary shaft 3, described to press
Press mechanism includes press section 41, rotation prevention portion 42 and limiting section 43, and the upper arm plate 1 is equipped with the positioning region for storing the rotation prevention portion 42
421, the forearm plate 2 be equipped with 43 matched occlusion portion 44 of the limiting section, the press section 41 is set as:The rotation stop
When portion 42 is detached from the positioning region 421, the limiting section 43 is separated with the occlusion portion 44.
The application method of the plaster slab is:The upper arm plate 1 is posted by rear side of upper arm, the forearm plate 2 is posted by
On rear side of forearm, then upper arm plate 1 and plaster splint 51 on rear side of upper arm are fixed, by plaster splint 52 on rear side of forearm plate 2 and forearm
It is slidably connected, presses the press section 41 so that the rotation prevention portion 42 and the disengaging of the positioning region 421, drive the limiting section 43
It is separated with the occlusion portion 44, to rotate forearm plate 2 to change the opening angle of the rotary joint, and then adjusts elbow and close
The activity point of view of section.The rotary shaft 3 of the rotary joint of the utility model plaster slab is located at the rear of elbow joint, can be according to elbow joint
Functional rehabilitation angle different when treating needs and adjusts and lock the angle of plaster splint, movable smooth, fixing-stable, gypsum
Clamping plate can cut load as needed, be applicable in the patient of all ages and classes, simple with rotary joint assembling, can complete, make in ward bedside
Make simple, quick;Plaster splint 52 on rear side of plaster splint 51 on rear side of upper arm and forearm is connected using rotary joint, passes through rotation
The activity point of view of axis 3 and pressing mechanism control plaster slab, because rotary shaft 3 and the movable axis of elbow joint be not coaxial so that rotary shaft 3
With vertical join line, forearm rear side 52 distal end of plaster splint to 3 vertical join line of rotary shaft and the forearm rear side gypsum of elbow joint axis
52 distal end of clamping plate to exercising elbow joint axis vertical join line forms a triangle, the activity of elbow joint is limited, by change
52 distal end of plaster splint on rear side of triangle forearm is stated to the length of 3 vertical join line this length of side of rotary shaft to reach triangle interior angle
Variation, make the activity of elbow joint and rotary shaft 3 freely, determine fixed outside angle in postoperative be timed with it of elbow joint, reach
Prevent the effect of postoperative early rehabilitation.
Further include bandage (not shown) in another technical solution, the bandage is by plaster splint on rear side of upper arm
51 and upper arm be fixedly connected, be fixedly connected with plaster splint 52 on rear side of forearm with forearm, make upper arm rear side during exercising elbow joint
Plaster splint 51 will not be slided with plaster splint 52 on rear side of upper arm, forearm with forearm.
In another technical solution, as shown in figure 8, one end of plaster splint 51 is equipped with and the upper arm plate on rear side of upper arm
1 one end is clamped and fixed groove (not shown), and the forearm plate 2 be not bonded far from rotary shaft 3 and the side of forearm
Plate face is equipped with sliding slot 21, and slider 22 is equipped in the sliding slot 21, and the length of the slider 22 is more than the sliding slot 21
Length, one end of the slider 22 are clamped with plaster splint 52 on rear side of forearm so that plaster splint 52 can be on rear side of forearm
Slider 22 is moved along the length direction of forearm, to realize being slidably connected for plaster splint 52 and forearm plate 2 on rear side of forearm.
In another technical solution, as shown in Fig. 1~5, the one of the other end of the upper arm plate 1 and the forearm plate 2
End is both provided with sleeve, and the space passed through for the rotary shaft 3 is equipped in the sleeve so that upper arm plate 1 and forearm plate 2 can edges
Rotary shaft 3 rotates.
In another technical solution, as shown in figs. 1 to 6, the rotary shaft 3 includes coaxial the first cylindrical portion 31 and the
Two cylindrical portions 32, the diameter of first cylindrical portion 31 are more than the diameter of second cylindrical portion 32, first cylindrical portion 31
Lower face be equipped with first end face tooth and form the limiting section 43, the middle part of second cylindrical portion 32 is radially equipped with a pair
Locating rod simultaneously forms the rotation prevention portion 42, and one end that second cylindrical portion 32 is not connect with the first cylindrical portion 31 is equipped in an axial direction
Threaded hole 321;
The other end of the upper arm plate 1 is equipped with the first sleeve 101, and first sleeve 101 is equipped in an axial direction for described the
The first space that two cylindrical portions 32 pass through simultaneously forms the positioning region 421;
One end of the forearm plate 2 is equipped with coaxial second sleeve 201 and 3rd sleeve 202,201 edge of the second sleeve
Axial to be recessed to form first annular recess portion 203 to the direction of 3rd sleeve 202, the upper surface of the first annular recess portion 203 is set
There is the second end face tooth with the first end face tooth engagement and form the occlusion portion 44, the first annular recess portion 203 is along axis
It is penetrated through to equipped with the second space passed through for second cylindrical portion 32, the second space and the first space, 3rd sleeve 202
It is recessed to form the second annular recess 204 to the direction of second sleeve 201 in an axial direction, by the second cylindrical portion 32 by second sleeve
201, the first sleeve 101 and 3rd sleeve 202 pass through from top to bottom, and form positioning region 421 and occlusion portion 44, so that on
Arm plate 1 and forearm plate 2 can be fixed to each other stabilization;
One end that second cylindrical portion 32 is not connect with first cylindrical portion 31 is additionally provided with:It is screwed onto the threaded hole
The fixed cover 402 and both ends that 321 screw 401, end face and 401 head of the screw is connected are annular with described second respectively
The end face of recess portion 204 and the inconsistent resetting spring (not shown) of the fixed cover 402;Wherein, the fixed cover 402 is
The open end of the hollow cylindrical structure of open at one end, the fixed cover 402 is stretched into second annular recess 204 and is not contacted
The resetting spring is wrapped in interior, 402 He of the fixed cover by the end face of second annular recess 204, the fixed cover 402
The screw 401 forms the press section 41, and pressing fixed cover 402 pushes the locating rod to be detached from the positioning region 421, band
The first end face tooth and second end face tooth separation are moved, to rotate forearm plate 2 to change the opening of the rotary joint
Angle, and then adjust the activity point of view of elbow joint.
In another technical solution, as shown in figure 5, the inside of first sleeve 101 is additionally provided with and first sky
Between the annular notch (not shown) that penetrates through, the diameter of the annular notch is less than the outer diameter of first sleeve 101, bigger
In the maximum width of second cylindrical portion 32 radially, wherein the position of the locating rod is set as:When the positioning
When bar is located in the annular notch, the first end face tooth is no longer engaged with second end face tooth disengaging, is lacked by annular
The setting of mouth enables locating rod to be rotated in annular notch, so that upper arm plate 1 and forearm plate 2 can be 3 turns along rotary shaft
It is dynamic, further facilitate the activity of elbow joint.
In another technical solution, 1 length of the upper arm plate is 8~10cm, the length of the forearm plate 2 is 4~
The length of 7cm, the slider 22 are 8~10cm, facilitate plaster splint 52 on rear side of upper arm rear side plaster splint 51 and forearm
It is fixedly mounted.
In another technical solution, the upper arm plate 1, the forearm plate 2 and the slider 22 are all made of metal material
Material is made, sturdy and durable.
In another technical solution, the sliding slot 21 as shown in Figure 7 be it is opposite be installed in the forearm plate 2 far from before
Two L-shaped metal plates 201 of the plate face on rear side of arm are constituted, and the interior right angle of two L-shaped metal plates 201 is opposite and is formed the cunning
Movable plate 22 is limited in interior channel, and the length direction for the slider 22 along forearm is slided.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (9)
1. a kind of plaster slab, which is characterized in that including:
Plaster splint comprising plaster splint and forearm rear side plaster splint on rear side of upper arm;
Rotary joint comprising the upper arm plate of plaster splint and forearm rear side plaster splint are slidably connected on rear side of fixed upper arm
Forearm plate, the rotary shaft for making the upper arm plate and the forearm plate be rotatablely connected and the realization forearm plate and the upper arm
The pressing mechanism of locking and the rotation of plate;The pressing mechanism is arranged in the rotary shaft, and the pressing mechanism includes pressing
Portion, rotation prevention portion and limiting section, the upper arm plate are equipped with the positioning region for storing the rotation prevention portion, and the forearm plate is equipped with and the limit
The matched occlusion portion in position portion, the press section are set as:When the rotation prevention portion and the positioning region are detached from, the limiting section with
The occlusion portion is separated.
2. plaster slab as described in claim 1, which is characterized in that further include bandage, the bandage is by plaster splint on rear side of upper arm
Plate and upper arm are fixedly connected, are fixedly connected with plaster splint on rear side of forearm with forearm.
3. plaster slab as described in claim 1, which is characterized in that one end of plaster splint is equipped with and the upper arm on rear side of upper arm
Plate one end is clamped and fixed groove, and the forearm plate is in separate rotary shaft and is not bonded in the side plate face of forearm equipped with cunning
Slot, is equipped with slider in the sliding slot, and the length of the slider is more than the length of the sliding slot, one end of the slider with
Plaster splint clamping on rear side of forearm so that plaster splint can be moved with slider along the length direction of forearm on rear side of forearm,
To realize being slidably connected for plaster splint and forearm plate on rear side of forearm.
4. plaster slab as claimed in claim 3, which is characterized in that one end of the other end of the upper arm plate and the forearm plate
It is both provided with sleeve, the space passed through for the rotary shaft is equipped in the sleeve.
5. plaster slab as claimed in claim 4, which is characterized in that
The rotary shaft includes coaxial the first cylindrical portion and the second cylindrical portion, and the diameter of first cylindrical portion is more than described the
The lower face of the diameter of two cylindrical portions, first cylindrical portion is equipped with first end face tooth and forms the limiting section, and described second
The middle part of cylindrical portion is radially equipped with a pair of of locating rod and forms the rotation prevention portion, second cylindrical portion not with the first cylindrical portion
One end of connection is equipped with threaded hole in an axial direction;
The other end of the upper arm plate is equipped with the first sleeve, and first sleeve is equipped with is passed through for second cylindrical portion in an axial direction
The first space and form the positioning region;
One end of the forearm plate is equipped with coaxial second sleeve and 3rd sleeve, and the second sleeve is in an axial direction to 3rd sleeve
Direction be recessed to form first annular recess portion, the upper surface of the first annular recess portion is equipped with the first end face tooth engagement
Second end face tooth simultaneously forms the occlusion portion, and the first annular recess portion is equipped with the passed through for second cylindrical portion in an axial direction
Two spaces, the second space and the first space penetrate through, and 3rd sleeve is recessed to form second to the direction of second sleeve in an axial direction
Annular recess;
One end that second cylindrical portion is not connect with first cylindrical portion is additionally provided with:Be screwed onto the threaded hole screw,
Fixed cover that end face and the screw head are connected and both ends respectively with the end face of second annular recess and the fixation
Cover inconsistent resetting spring;Wherein, the fixed cover is the hollow cylindrical structure of open at one end, the opening of the fixed cover
End stretches into second annular recess and does not contact the end face of second annular recess, and the fixed cover is by the resetting spring
In being wrapped in, the fixed cover and the screw form the press section.
6. plaster slab as claimed in claim 5, which is characterized in that the inside of first sleeve is additionally provided with and first sky
Between the annular notch that penetrates through, the diameter of the annular notch is less than the outer diameter of first sleeve, is slightly larger than second cylinder
The maximum width of portion radially, wherein the position of the locating rod is set as:It is lacked when the locating rod is located at the annular
When in mouthful, the first end face tooth is no longer engaged with second end face tooth disengaging.
7. plaster slab as claimed in claim 3, which is characterized in that the upper arm plate length is 8~10cm, the forearm plate
Length is 4~7cm, and the length of the slider is 8~10cm.
8. plaster slab as described in claim 1, which is characterized in that the upper arm plate, the forearm plate and the slider are equal
It is made of metal material.
9. plaster slab as claimed in claim 3, which is characterized in that the sliding slot is to be installed in the separate of the forearm plate relatively
Two L-shaped metal plates of the plate face on rear side of forearm are constituted, and the interior right angle of two L-shaped metal plates is opposite and is formed the slider
It is limited in interior channel, the length direction for the slider along forearm is slided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720794028.6U CN207708062U (en) | 2017-07-03 | 2017-07-03 | Plaster slab |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720794028.6U CN207708062U (en) | 2017-07-03 | 2017-07-03 | Plaster slab |
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Publication Number | Publication Date |
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CN207708062U true CN207708062U (en) | 2018-08-10 |
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CN201720794028.6U Expired - Fee Related CN207708062U (en) | 2017-07-03 | 2017-07-03 | Plaster slab |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107361898A (en) * | 2017-07-03 | 2017-11-21 | 来宾市人民医院 | Plaster slab |
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2017
- 2017-07-03 CN CN201720794028.6U patent/CN207708062U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107361898A (en) * | 2017-07-03 | 2017-11-21 | 来宾市人民医院 | Plaster slab |
CN107361898B (en) * | 2017-07-03 | 2023-03-24 | 来宾市人民医院 | Plaster support |
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