CN101884535B - Prostration type space position knee joint supporting frame for magnetic resonance scan - Google Patents
Prostration type space position knee joint supporting frame for magnetic resonance scan Download PDFInfo
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- CN101884535B CN101884535B CN2010102178087A CN201010217808A CN101884535B CN 101884535 B CN101884535 B CN 101884535B CN 2010102178087 A CN2010102178087 A CN 2010102178087A CN 201010217808 A CN201010217808 A CN 201010217808A CN 101884535 B CN101884535 B CN 101884535B
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- knee joint
- rotating shaft
- magnetic resonance
- arc
- bracing frame
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Abstract
The invention relates to a prostration type space position knee joint supporting frame for magnetic resonance scan, comprising an arc board, I-shaped frames, a bottom board, a sliding block, a T-shaped frame, a rotating shaft, a base seat, a jack bolt, and the like, wherein the arc board is formed by welding a semi-column sleeve barrel and rectangular blocks at both sides; the sliding block is formed by connecting a trapezoidal block and two shaft shoulders; the upper end part of the bottom board is provided with a trapezoidal guide rail, and the lower end part is provided with a rectangular guide rail; and the base seat comprises a circular arc surface and a gear slot. The arc board is connected with both of the I-shaped frames through round pins for plane match. Hinge pins are used among the I-shaped frames and the bottom board and among the I-shaped frames and the T-shaped frames to ensure the opposite rotation. A hinge pin is used between the sliding block and the T-shaped frame to ensure the opposite rotation. The bottom board is matched with the sliding block through the trapezoidal guide rail. The jack bolt is penetrated through a screwed hole of the sliding block. The rotating shaft is matched with the bottom board through the rectangular guide rail and is fixedly connected with the bottom board through a hinge pin. The bottom board is matched with the rotating shaft through a concentric circle arc plane. The invention has the advantages of convenient knee joint scan, simple structure, convenient operation, standardized operation, clearer image and less error.
Description
Technical field
The present invention relates to a kind of prone type spatial pose knee joint magnetic resonance imaging bracing frame, belong to medical instruments field, especially for a kind of assist location frame of prone type magnetic resonance imaging knee joint spatial pose.
Background technology
Develop to determine that with magnetic resonance the position of focus has obtained using widely,, make a definite diagnosis and determine that lesions position is very important for operative treatment by magnetic resonance for kneed pathological changes.When magnetic resonance imaging, need fix focus and relevant position thereof.When carrying out magnetic resonance imaging, often need nursing staff's cooperation, with patient's lower limb flexing, be torqued into certain angle and can carry out as and lateral ligament inboard to the lower limb knee joint.Because dynamics is difficult to grasp, angle can't be regulated and control, and lower limb can not steadily be fixed by certain spatial pose, is difficult to shine the accurate position of focus, wastes time and energy, and personal error is very big, and pictorial display is relatively poor, and the state of an illness can't be judged.
Summary of the invention
The purpose of the design invention is to provide a kind of easy to operate, prone type spatial pose knee joint magnetic resonance imaging bracing frame that can improve magnetic resonance development accuracy, to solve defective of the prior art.
Technical scheme of the present invention: this prone type spatial pose knee joint magnetic resonance imaging bracing frame is made of the two large divisions, realizes kneed flexing and rotation respectively, and then makes up the location of realizing knee joint different spaces pose simultaneously.First is by the arc plate that supports shank, cap ned, and base plate, slide block, T shape frame, bearing pin, bolt, bearing pin and round pin are formed.Arc plate and two cap ned planes cooperate by adopting round pin to be connected and fixed; Adopt bearing pin to guarantee that it relatively rotates between cap ned and base plate, cap ned and T shape frame; Adopt bearing pin to guarantee that it relatively rotates between slide block and T shape frame; Adopt the taper guide rail to cooperate with the assurance horizontal slip between base plate and slide block, bolt penetrates in the screwed hole of slide block; Above-mentioned each parts form a slider-crank mechanism, thereby by changing angle that the position of slide block on base plate change cap ned and base plate to realize the different flexion angle of knee joint, move to corresponding scale place at slide block and by bolt it is fixed.Second portion is realized kneed interior outward turning.Rotating shaft cooperates by rectangular guideway with the bottom of base plate and is affixed with bolt; Base cooperates by concentric circle arc plane with rotating shaft, and the handle that pulling is fixed on rotating shaft one end makes the gear grooved of the gear disengaging base of the rotating shaft other end realize relatively rotating, the corresponding kneed interior outward turning that rotatablely moves of rotating shaft.Rotating shaft is provided with graduated disc near the end face of handle one end, and per 5 ° is a scale on the graduated disc, turns over after certain scale the self-locking that the gear grooved that the gear of rotating shaft is pushed base along the axial direction of arc guide rail is realized rotation direction.
Wherein, the cambered surface that described arc plate contacts with shank is provided with airfoam cushion, establishes two locking belts between arc plate and plane, the cap ned left and right sides cooperate respectively: two woollen goods buttons of left end and two woollen goods buttons of right-hand member, the corresponding connection with fixing shank.
Advantage of the present invention is: the different flexion angles of knee joint are located with-15 °-15 ° inside and outside swing angle degree in the time of can realizing magnetic resonance imaging, be convenient to knee joint scan, it is simple in structure, easy to use, regularized operation, make each organizational structure of pictorial display more clear, error is littler, increases work efficiency and accuracy that focus is measured.
Description of drawings
Fig. 1 is a mechanism structure sketch map of the present invention.
Fig. 2 a is the structural representation of arc plate among the present invention.
Fig. 2 b is the structural representation of slide block among the present invention.
Fig. 2 c is the structural representation of rotating shaft among the present invention.
Fig. 2 d is the structural representation of base among the present invention.
Fig. 3 realizes the localized mechanism structure sketch map of the different flexion angles of knee joint.
Fig. 4 is the localized mechanism structure sketch map of inside and outside swing angle degree of realizing knee joint-15 °-15 °.
1, arc plate 2, cap ned 3, base plate 4, slide block
5, T shape frame 6, rotating shaft 7, base 8, bearing pin
9, bolt 10, bolt 11, round pin 12, handle
14, bearing pin 16, gear
The specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further.With reference to accompanying drawing 1,2,3,4, this prone type spatial pose knee joint magnetic resonance imaging bracing frame is made of the two large divisions, and all assemblies all adopt nonmetallic materials to make, and two parts are fixedlyed connected with bearing pin 10 by rectangular guideway.
As shown in Figure 2: arc plate 1 is welded by the rectangular block of a semicolumn sleeve and dual-side.Base plate 3 upper ends are trapezoidal rails, and the bottom is a rectangular guideway.Slide block 4 is formed by connecting by a trapezoid block and two shaft shoulders, and concentric pylone is arranged on the shaft shoulder, and screwed hole is arranged on the trapezoid block.Rotating shaft 6 is that a solid semicircular cylinder and rectangular block combine, and the one end is that pull handle 12 the other end are gear, and the rectangular block end face has rectangular guideway.Base 7 is made of arc surface and gear grooved.
First realizes the localized mechanism of the different flexion angles of knee joint.As shown in Figure 3.Comprise the arc plate 1 that supports shank, cap ned 2, base plate 3, slide block 4T shape frame 5, bearing pin 8, bolt 9, bearing pin 14 and round pin 11.Arc plate 1 and two cap ned 2 planes cooperate by adopting round pin 11 to be connected and fixed, cap ned 2 and base plate 3, cap ned 2 and 5 on T shape frame adopt bearing pin to guarantee that it relatively rotates, 5 on slide block 4 and T shape frame adopt bearing pin 8 to guarantee that it relatively rotates, base plate 3 adopts the taper guide rail to cooperate to guarantee horizontal slip with 4 of slide blocks, and bolt 9 penetrates in the screwed hole of slide block; Above-mentioned each parts form a slider-crank mechanism, thereby, move to corresponding scale place at slide block 4 and it is fixed by bolt 9 by changing angle that the position of slide block 4 on base plate 3 change cap ned 5 and base plate 3 to realize the different flexion angle of knee joint.The cambered surface that arc plate 1 contacts with shank is provided with airfoam cushion, establishes two locking belts between arc plate 1 and plane, cap ned 2 left and right sides cooperate respectively: two woollen goods buttons of left end and two woollen goods buttons of right-hand member, the corresponding connection with fixing shank.
Second portion is realized kneed interior outward turning.As shown in Figure 4.Rotating shaft 6 is made up of handle 12, gear 16 and cylindrical shell, and its middle cylinder body is a solid semicircular cylinder and rectangular block is affixed forms, and rotating shaft 6 cooperates by rectangular guideway with the bottom of base plate 3 and be affixed with bolt 10.Base 7 and rotating shaft 6 cooperate by concentric circle arc plane, and the gear grooved that pull handle 12 makes rotating shaft 6 gears break away from base 7 is realized relatively rotating, outward turning in left-right rotation is corresponding kneed.Rotating shaft 6 is provided with graduated disc near the end face of handle one ends, and per 5 ° is a scale on the graduated disc, turns over after certain scale the self-locking that the gear grooved that rotating shaft 6 is pushed base 7 along horizontal direction is realized rotation direction.
During use, mechanism of the present invention is placed on the magnetic resonance imaging bed, the patient is prostrate to be leaned against on the arc plate for propping up the trouble primary minimum shank branch of naming a person for a particular job with knee on scanning bed, regulates the different flexion angle of knee joint thereby the doctor changes its guide rail strokes by moving slider 4.Base 7 and rotating shaft 6 cooperate by concentric circle arc plane, and the gear grooved that pull handle 12 makes the gear 16 of rotating shaft 6 break away from bases 7 is realized relatively rotating, outward turning in left-right rotation is corresponding kneed.Per 5 ° is a scale on the graduated disc of rotating shaft 6, turns over after certain scale the self-locking that the gear grooved that the gear 16 of rotating shaft 6 is pushed base 7 along the axial direction of arc guide rail is realized rotation direction.
Claims (5)
1. prone type spatial pose knee joint magnetic resonance imaging bracing frame, it is characterized in that: this bracing frame comprises the arc plate (1) that supports shank, cap ned (2), base plate (3), slide block (4), T shape frame (5), rotating shaft (6), base (7), first bearing pin (8), bolt (9), second bearing pin (14) and round pin (11); Arc plate (1) and two cap neds (2) plane cooperate by adopting round pin (11) to be connected and fixed, cap ned (2) and base plate (3), adopt first bearing pin (8) to guarantee that it relatively rotates between cap ned (2) and T shape frame (5), adopt first bearing pin (8) to guarantee that it relatively rotates between slide block (4) and T shape frame (5), adopt the taper guide rail to cooperate between base plate (3) and slide block (4) with the assurance horizontal slip, bolt (9) penetrates in the screwed hole of slide block, above-mentioned each parts form a slider-crank mechanism, by change slide block (4) at base plate (3) thus on the position change cap ned (5) and base plate (3) angle with the different flexion angle of realization knee joint, move to corresponding scale place at slide block (4) and it fixed by bolt (9); Rotating shaft (6) cooperates by rectangular guideway with the bottom of base plate (3) and is affixed with bolt (10); Base plate (3) cooperates by arc surface with rotating shaft (6), and the handle (12) that pulling is fixed on rotating shaft one end makes the gear grooved of gear (16) the disengaging base (7) of rotating shaft (6) other end realize relatively rotating, outward turning in left-right rotation is corresponding kneed; Rotating shaft (6) is provided with graduated disc near the end face of handle one end, per 5 ° is a scale on the graduated disc, turns over after the corresponding scale self-locking that the groove that the gear (16) of rotating shaft (6) is pushed base (7) along the axial direction of arc guide rail is realized rotation direction.
2. prone type spatial pose knee joint magnetic resonance imaging bracing frame according to claim 1 is characterized in that: the medical imaging of the flexion angle that knee joint was different when this bracing frame can be realized magnetic resonance imaging, and when different angles, have auto-lock function.
3. prone type spatial pose knee joint magnetic resonance imaging bracing frame according to claim 1, it is characterized in that: the medical imaging of the inside and outside swing angle degree that knee joint when this bracing frame can be realized magnetic resonance imaging-15 is °-15 °, and when different angles, have auto-lock function.
4. prone type spatial pose knee joint magnetic resonance imaging bracing frame according to claim 1 is characterized in that the cambered surface that described arc plate (1) contacts with shank is provided with airfoam cushion.
5. prone type spatial pose knee joint magnetic resonance imaging bracing frame according to claim 1, it is characterized in that, between cooperating, arc plate (1) and cap ned (2) plane, the left and right sides establish two locking belts respectively: two woollen goods buttons of left end and two woollen goods buttons of right-hand member, the corresponding connection with fixing shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102178087A CN101884535B (en) | 2010-07-06 | 2010-07-06 | Prostration type space position knee joint supporting frame for magnetic resonance scan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102178087A CN101884535B (en) | 2010-07-06 | 2010-07-06 | Prostration type space position knee joint supporting frame for magnetic resonance scan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101884535A CN101884535A (en) | 2010-11-17 |
| CN101884535B true CN101884535B (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102178087A Expired - Fee Related CN101884535B (en) | 2010-07-06 | 2010-07-06 | Prostration type space position knee joint supporting frame for magnetic resonance scan |
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| CN (1) | CN101884535B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076303B (en) * | 2013-03-26 | 2015-09-02 | 上海联影医疗科技有限公司 | For lower main pole winding and the assembly thereof of magnetic resonance imaging |
| CN103831903B (en) * | 2014-03-12 | 2015-08-19 | 中国工程物理研究院机械制造工艺研究所 | A kind of pitching adjusting mechanism |
| CN108618785A (en) * | 2017-03-21 | 2018-10-09 | 崔家鸣 | The active checking device postoperative for shoulder joint |
| CN107669350A (en) * | 2017-10-11 | 2018-02-09 | 田智勇 | A kind of shin bone by knee joint position separates the surgical apparatus and knee surgery equipment of reset with femur vertical distraction |
| CN108892065B (en) * | 2018-06-29 | 2020-05-26 | 国家电网公司 | Electric power heavy object hoisting tackle and hoisting method |
| CN109259976A (en) * | 2018-11-05 | 2019-01-25 | 河北博克尼医疗器械有限公司 | Knee joint bracket |
| CN112641459B (en) * | 2020-12-14 | 2023-07-04 | 上海市第十人民医院 | Automatic adjust knee joint and lift perspective support |
| CN112932860B (en) * | 2021-01-30 | 2022-04-19 | 江西省人民医院 | Supporting device for multi-angle adjustment for postoperative recovery of orthopedic legs |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4291229A (en) * | 1979-12-10 | 1981-09-22 | Patt Kenneth W | Support and restraining device for arthographic examination of the knees |
| CN2071057U (en) * | 1990-07-30 | 1991-02-13 | 海军机关直属门诊部 | Knee joint projection support frame |
| CN2593746Y (en) * | 2002-12-25 | 2003-12-24 | 朱建丽 | Adjustable lifting servo fixer for knee joint |
| JP4508789B2 (en) * | 2004-09-07 | 2010-07-21 | キヤノン株式会社 | X-ray equipment |
| CN2792534Y (en) * | 2005-05-19 | 2006-07-05 | 华中科技大学同济医学院附属同济医院 | Body position fixer for radiotherapy |
-
2010
- 2010-07-06 CN CN2010102178087A patent/CN101884535B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101884535A (en) | 2010-11-17 |
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Granted publication date: 20111214 Termination date: 20130706 |