CN113081320A - Medical arm support frame - Google Patents
Medical arm support frame Download PDFInfo
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- CN113081320A CN113081320A CN202110371346.2A CN202110371346A CN113081320A CN 113081320 A CN113081320 A CN 113081320A CN 202110371346 A CN202110371346 A CN 202110371346A CN 113081320 A CN113081320 A CN 113081320A
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- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/60—Supports for surgeons, e.g. chairs or hand supports
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses a medical arm support frame which comprises a base, wherein an inner cylinder is vertically and fixedly connected to the center of the top of the base, a lead screw is arranged in the inner cylinder, a first gear is fixedly connected to the surface of the lead screw and positioned in the base, rotating shafts are rotatably connected between the top and the bottom of the inner wall of the base and positioned on two sides of the lead screw, a worm is rotatably connected to the center of the fixing base, a worm wheel is fixedly connected to the surface of each rotating shaft, the worm is meshed with the worm wheel, a second gear is arranged on the surface of each rotating shaft and positioned below the worm wheel, the second gear is axially moved and circumferentially transmitted with the rotating shafts, a transmission block is in threaded connection with the surface of the lead screw, the top of the transmission block is fixedly connected with an outer cylinder through a support rod, a fixing. This kind of medical arm support frame has realized alleviating the tired sense of arm, prevents that the doctor from taking place to rock the arm when carrying out the operation to the patient.
Description
Technical Field
The invention relates to the technical field of auxiliary instruments, in particular to a medical arm support frame.
Background
Various medical instruments are required to be used in the existing operation, the operation time is long for some operations, a doctor needs to operate for a long time, and the arm position of the doctor needs to be maintained in a relatively fixed posture, so that the accuracy of the operation is ensured, and the psychology and physical strength of the doctor are greatly tested. In order to relieve the fatigue of the arm of the doctor, the elbow of the doctor needs to be supported to relieve the fatigue of the arm, so that the arm is prevented from shaking when the doctor performs an operation on the patient.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a medical arm support frame, which realizes the purpose of relieving the fatigue of the arm and prevents the arm from shaking when a doctor performs an operation on a patient.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a medical arm support frame comprises a base, wherein an inner cylinder is vertically and fixedly connected to the center of the top of the base, a lead screw is arranged in the inner cylinder, the bottom end of the lead screw extends to the bottom of the inner wall of the base and is rotatably connected with the bottom of the inner wall of the base, the inner wall of the inner cylinder is fixedly connected with a support frame close to the top, the surface of the lead screw is rotatably connected with the center of the support frame, a first gear is fixedly connected to the surface of the lead screw and positioned in the base, a rotating shaft is rotatably connected between the top and the bottom of the inner wall of the base and positioned at two sides of the lead screw, the two sides of the top of the inner wall of the base and positioned right opposite to the rotating shaft are fixedly connected with a fixed seat, the center of the fixed seat is rotatably connected with a worm, a worm, the second gear is connected with the rotating shaft in an axial moving and circumferential transmission manner, the plane of the bottom of the second gear is higher than the plane of the top of the first gear, a supporting ring is sleeved on the surface of the rotating shaft and below the second gear, a first spring is arranged between the bottom of the supporting ring and the bottom of the inner wall of the inner barrel, a ratchet is fixedly connected to one end of the rotating shaft, a circular ring is rotatably connected to one side, close to the ratchet, of the surface of the rotating shaft, an outer gear ring is fixedly connected to one end of the circular ring, a pawl is arranged on one side of the circular ring and is connected with the ratchet in a transmission manner, a toothed plate is slidably connected to the top of the base and is meshed with the outer gear ring, a transmission block is connected to the surface of the lead screw in a threaded manner, an outer barrel is fixedly connected to the top of the transmission block through a supporting, and a bracket is arranged at the top of the fixed plate.
Preferably, its cover that is located between worm wheel and the second gear of surface of axis of rotation is equipped with the clamping ring, one side fixedly connected with depression bar of clamping ring, the one end of depression bar extends to the top and the fixedly connected with footboard mounting panel of base, the vertical fixedly connected with guide bar in bottom of base inner wall, guide bar and depression bar sliding connection, be provided with the second spring between the bottom of depression bar and the bottom of base inner wall, one side of footboard mounting panel is rotated and is connected with the footboard, swing joint has the connecting rod between the bottom of footboard and the top of pinion rack.
Preferably, a torsion return spring is arranged between the pedal mounting plate and the pedal.
Preferably, the fixed slot has been seted up at the top of fixed plate, the bottom of fixed slot is provided with fixed tooth, be provided with fixed toothed plate in the fixed slot, fixed toothed plate's top fixedly connected with dead lever, the top fixedly connected with round platform of dead lever, the surface cover of dead lever is equipped with the stop collar, the stop collar is located the fixed slot, be provided with the third spring between stop collar and the fixed toothed plate, the top of round platform is rotated and is connected with fixed cover, the top fixedly connected with of fixed cover rotates the seat, the center that rotates the seat rotates and is connected with the fixed block, the fixed block is fixed and is put at bracket bottom central point.
Preferably, the surface of the bracket is provided with a cushion.
Preferably, the fixing groove is an inverted T-shaped groove.
Preferably, the worm is located on the left side of the screw rod and is a right-handed worm, and the worm is located on the right side of the screw rod and is a left-handed worm.
Preferably, the top of the base is provided with a sliding chute matched with the toothed plate.
Preferably, the inner wall of the outer cylinder is in sliding connection with the surface of the inner cylinder, and the surface of the inner cylinder is provided with a guide groove in the vertical direction.
(III) advantageous effects
The invention provides a medical arm support frame. The method has the following beneficial effects: the rotating shafts are arranged on the two sides of the screw rod, the worm and gear are driven to rotate by the pedal, and the first gear is respectively meshed with the gears on the two sides, so that the forward rotation and the reverse rotation of the screw rod can be realized, the height adjustment is realized, and the arm is conveniently supported; and the pedals on the two sides are used for adjustment, so that the problems that the operation is suspended for adjustment and adjustment by other people is difficult to meet expectations are solved, convenience and rapidness are realized, and the normal operation of the operation is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 2;
FIG. 5 is a schematic view of the pawl and ratchet drive of the present invention;
fig. 6 is a schematic view of the worm gear drive of the present invention.
In the figure: 1-base, 2-inner cylinder, 3-lead screw, 4-support frame, 5-first gear, 6-rotating shaft, 7-fixing seat, 8-worm, 9-worm gear, 10-second gear, 11-supporting ring, 12-first spring, 13-circular ring, 14-external gear ring, 15-ratchet, 16-pawl, 17-toothed plate, 18-transmission block, 19-support rod, 20-outer cylinder, 21-fixing plate, 22-bracket, 23-guide rod, 24-compression rod, 25-compression ring, 26-second spring, 27-pedal mounting plate, 28-pedal, 29-connecting rod, 30-soft cushion, 31-fixing groove, 32-fixing toothed plate, 33-fixing rod, 34-circular table, 35-a limiting sleeve, 36-a third spring, 37-a fixed sleeve, 38-a rotating seat and 39-a fixed block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a medical arm support frame comprises a base 1, an inner cylinder 2 is vertically and fixedly connected to the central position of the top of the base 1, a lead screw 3 is arranged in the inner cylinder 2, the bottom end of the lead screw 3 extends to the bottom of the inner wall of the base 1 and is rotatably connected with the bottom of the inner wall of the base 1, a support frame 4 is fixedly connected to the position, close to the top, of the inner wall of the inner cylinder 2, the surface of the lead screw 3 is rotatably connected with the center of the support frame 4, a first gear 5 is fixedly connected to the surface of the lead screw 3 and is positioned in the base 1, a rotating shaft 6 is rotatably connected between the top and the bottom of the inner wall of the base 1 and is positioned at two sides of the lead screw 3, fixing seats 7 are fixedly connected to two sides of the top of the inner wall of the base 1 and are positioned opposite to the rotating shaft 6, a worm 8 is rotatably, the second gear 10 and the rotating shaft 6 are axially moved and circumferentially connected in a transmission manner, the plane where the bottom of the second gear 10 is located is higher than the plane where the top of the first gear 5 is located, a supporting ring 11 is sleeved on the surface of the rotating shaft 6 and below the second gear 10, a first spring 12 is arranged between the bottom of the supporting ring 11 and the bottom of the inner wall of the inner cylinder 2, and the supporting ring can be meshed with the first gear 5 by downward movement of the second gear 10 to drive the lead screw 3 to rotate, so that the height is adjusted;
one end of the rotating shaft 6 is fixedly connected with a ratchet wheel 15, one side of the surface of the rotating shaft 6, which is close to the ratchet wheel 15, is rotatably connected with a circular ring 13, one end of the circular ring 13 is fixedly connected with an outer gear ring 14, one side of the circular ring 13 is provided with a pawl 16, the pawl 16 is in transmission connection with the ratchet wheel 15, the top of the base 1 is slidably connected with a toothed plate 17, the toothed plate 17 is in meshing connection with the outer gear ring 14, the outer gear ring 14 can be driven to rotate through the movement of the toothed plate 17, so that the ratchet wheel 15 is driven to rotate through the pawl 16, the rotating shaft 6 is rotated, due to the pawl-ratchet wheel structure, when the toothed plate 17 is reset, the ratchet wheel;
the surface threaded connection of lead screw 3 has transmission piece 18, and 19 fixedly connected with urceolus 20 are passed through at the top of transmission piece 18, the top fixedly connected with fixed plate 21 of urceolus 20, and the top of fixed plate 21 is provided with bracket 22, and the rotation through lead screw 3 drives transmission piece 18 and reciprocates to realize height adjustment.
A press ring 25 is sleeved on the surface of the rotating shaft 6 between the worm wheel 9 and the second gear 10, one side of the press ring 25 is fixedly connected with a press rod 24, one end of the press rod 24 extends to the top of the base 1 and is fixedly connected with a pedal mounting plate 27, the bottom of the inner wall of the base 1 is vertically and fixedly connected with a guide rod 23, the guide rod 23 is in sliding connection with the press rod 24, a second spring 26 is arranged between the bottom of the press rod 24 and the bottom of the inner wall of the base 1, one side of the pedal mounting plate 27 is rotatably connected with a pedal 28, a torsion return spring is arranged between the pedal mounting plate 27 and the pedal 28, a connecting rod 29 is movably connected between the bottom of the pedal 28 and the top of the toothed plate 17, the, through stepping on the pedal, the connecting rod 29 drives the toothed plate 17 to move, so that transmission is realized, and the torsion return spring is convenient for the pedal 28 to return.
The top of the fixing plate 21 is provided with a fixing groove 31, the fixing groove 31 is an inverted T-shaped groove, the bottom of the fixing groove 31 is provided with a fixing tooth, a fixing toothed plate 32 is arranged in the fixing groove 31, the fixing toothed plate 32 can be meshed with the fixing tooth, the top of the fixing toothed plate 32 is fixedly connected with a fixing rod 33, the top of the fixing rod 33 is fixedly connected with a circular truncated cone 34, the surface of the fixing rod 33 is sleeved with a limiting sleeve 35, the limiting sleeve 35 is positioned in the fixing groove 31, a third spring 36 is arranged between the limiting sleeve 35 and the fixing toothed plate 32, when the fixing rod 33 is lifted up during movement, the third spring 36 is compressed, the bottom of the fixing toothed plate 32 is separated from the fixing tooth and can move along the fixing groove 31, the top of the circular truncated cone 34 is rotatably connected with a fixing sleeve 37, the top of the fixing sleeve 37 is fixedly connected with a, the angle adjustment of the bracket 22 is realized by the rotary connection of the fixed sleeve 37 and the circular truncated cone 34, the pitching angle of the bracket 22 can be conveniently adjusted by utilizing the rotary seat 38 and the fixed block 39, and the support angle required by the arm can be conveniently and rapidly adapted.
The surface of the bracket 22 is provided with a cushion 30 to improve the comfort of the support.
The worm 8 is positioned on the left side of the screw rod 3 and is a right-handed worm, the worm 8 is positioned on the right side of the screw rod 3 and is a left-handed worm, and the worm wheels on the two sides are inconsistent in rotation direction after the pedal 28 is stepped on, so that the height adjustment can be realized.
The top of base 1 is seted up with the spout of pinion rack 17 adaptation, has guaranteed that pinion rack 17 slides smoothly.
The inner wall of the outer cylinder 20 is connected with the surface of the inner cylinder 2 in a sliding manner, and the surface of the inner cylinder 2 is provided with a guide groove in the vertical direction, so that the outer cylinder is prevented from rotating.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a medical arm support frame which characterized in that: comprises a base (1), an inner cylinder (2) is vertically and fixedly connected with the top central position of the base (1), a lead screw (3) is arranged in the inner cylinder (2), the bottom end of the lead screw (3) extends to the bottom of the inner wall of the base (1) and is rotationally connected with the bottom of the inner wall of the base (1), the inner wall of the inner cylinder (2) is close to a support frame (4) fixedly connected with the top position, the surface of the lead screw (3) is rotationally connected with the center of the support frame (4), the surface of the lead screw (3) is fixedly connected with a first gear (5) inside the base (1), two sides between the top and the bottom of the inner wall of the base (1) and positioned on the lead screw (3) are rotationally connected with a rotating shaft (6), two sides of the top of the inner wall of the base (1) are positioned on the corresponding positions and fixedly connected with a fixing seat (, the surface of the rotating shaft (6) is fixedly connected with a worm wheel (9), the worm (8) is meshed with the worm wheel (9) and connected with the worm wheel (9), a second gear (10) is arranged on the surface of the rotating shaft (6) and below the worm wheel (9), the second gear (10) is connected with the rotating shaft (6) in an axial movement and circumferential transmission mode, the plane where the bottom of the second gear (10) is located is higher than the plane where the top of the first gear (5) is located, a supporting ring (11) is sleeved on the surface of the rotating shaft (6) and below the second gear (10), a first spring (12) is arranged between the bottom of the supporting ring (11) and the bottom of the inner wall of the inner barrel (2), one end of the rotating shaft (6) is fixedly connected with a ratchet wheel (15), one side, close to the ratchet wheel (15), of the surface of the rotating shaft (6) is rotatably connected with a circular ring (13), one end of the circular ring (13), one side of ring (13) is provided with pawl (16), pawl (16) are connected with ratchet (15) transmission, the top sliding connection of base (1) has pinion rack (17), pinion rack (17) are connected with outer gear ring (14) meshing, the surface threaded connection of lead screw (3) has transmission block (18), bracing piece (19) fixedly connected with urceolus (20) are passed through at the top of transmission block (18), the top fixedly connected with fixed plate (21) of urceolus (20), the top of fixed plate (21) is provided with bracket (22).
2. The medical arm support frame of claim 1, wherein: the cover is equipped with clamping ring (25) between its position in worm wheel (9) and second gear (10) on the surface of axis of rotation (6), one side fixedly connected with depression bar (24) of clamping ring (25), the one end of depression bar (24) extends to the top and the fixedly connected with footboard mounting panel (27) of base (1), the vertical fixedly connected with guide bar (23) in bottom of base (1) inner wall, guide bar (23) and depression bar (24) sliding connection, be provided with second spring (26) between the bottom of depression bar (24) and the bottom of base (1) inner wall, one side of footboard mounting panel (27) is rotated and is connected with footboard (28), swing joint has connecting rod (29) between the bottom of footboard (28) and the top of pinion rack (17).
3. The medical arm support frame of claim 1, wherein: a torsion return spring is arranged between the pedal mounting plate (27) and the pedal (28).
4. The medical arm support frame of claim 1, wherein: the top of the fixing plate (21) is provided with a fixing groove (31), the bottom of the fixing groove (31) is provided with a fixing tooth, a fixed toothed plate (32) is arranged in the fixed groove (31), the top of the fixed toothed plate (32) is fixedly connected with a fixed rod (33), the top of the fixed rod (33) is fixedly connected with a circular truncated cone (34), the surface of the fixed rod (33) is sleeved with a limit sleeve (35), the limiting sleeve (35) is positioned in the fixing groove (31), a third spring (36) is arranged between the limiting sleeve (35) and the fixed toothed plate (32), the top of the circular truncated cone (34) is rotationally connected with a fixed sleeve (37), the top of the fixed sleeve (37) is fixedly connected with a rotating seat (38), the center of the rotating seat (38) is rotatably connected with a fixed block (39), and the fixed block (39) is fixed at the center of the bottom of the bracket (22).
5. The medical arm support frame of claim 1, wherein: the surface of the bracket (22) is provided with a soft cushion (30).
6. The medical arm support frame of claim 4, wherein: the fixing groove (31) is an inverted T-shaped groove.
7. The medical arm support frame of claim 1, wherein: the worm (8) is located on the left side of the screw rod (3) and is a right-handed worm, and the worm (8) is located on the right side of the screw rod (3) and is a left-handed worm.
8. The medical arm support frame of claim 1, wherein: the top of the base (1) is provided with a sliding chute matched with the toothed plate (17).
9. The medical arm support frame of claim 1, wherein: the inner wall of the outer cylinder (20) is in sliding connection with the surface of the inner cylinder (2), and a guide groove is formed in the surface of the inner cylinder (2) in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371346.2A CN113081320A (en) | 2021-04-07 | 2021-04-07 | Medical arm support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371346.2A CN113081320A (en) | 2021-04-07 | 2021-04-07 | Medical arm support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113081320A true CN113081320A (en) | 2021-07-09 |
Family
ID=76674999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110371346.2A Pending CN113081320A (en) | 2021-04-07 | 2021-04-07 | Medical arm support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113081320A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116059070A (en) * | 2023-01-28 | 2023-05-05 | 潍坊医学院附属医院 | Medical sickbed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070281834A1 (en) * | 2006-04-28 | 2007-12-06 | Ying-Chou Lai | Chair-rotating control mechanism applied to sport apparatus |
| CN209785312U (en) * | 2018-05-30 | 2019-12-13 | 王佳荔 | Teaching board convenient to operation demonstration |
| CN210727890U (en) * | 2019-09-16 | 2020-06-12 | 谷丽 | Doctor's arm lifting device for otology observation and diagnosis |
| CN210843979U (en) * | 2019-05-10 | 2020-06-26 | 华中科技大学同济医学院附属协和医院 | Special arm strutting arrangement of PICC pipe laying disinfection |
| CN210855178U (en) * | 2019-09-20 | 2020-06-26 | 广东电网有限责任公司 | Pedal type self-lifting device for electric power construction |
-
2021
- 2021-04-07 CN CN202110371346.2A patent/CN113081320A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070281834A1 (en) * | 2006-04-28 | 2007-12-06 | Ying-Chou Lai | Chair-rotating control mechanism applied to sport apparatus |
| CN209785312U (en) * | 2018-05-30 | 2019-12-13 | 王佳荔 | Teaching board convenient to operation demonstration |
| CN210843979U (en) * | 2019-05-10 | 2020-06-26 | 华中科技大学同济医学院附属协和医院 | Special arm strutting arrangement of PICC pipe laying disinfection |
| CN210727890U (en) * | 2019-09-16 | 2020-06-12 | 谷丽 | Doctor's arm lifting device for otology observation and diagnosis |
| CN210855178U (en) * | 2019-09-20 | 2020-06-26 | 广东电网有限责任公司 | Pedal type self-lifting device for electric power construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116059070A (en) * | 2023-01-28 | 2023-05-05 | 潍坊医学院附属医院 | Medical sickbed |
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