CN2774428Y - Multifunction bone fracture traction physiotherapeutic machine - Google Patents

Multifunction bone fracture traction physiotherapeutic machine Download PDF

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Publication number
CN2774428Y
CN2774428Y CN 200520095581 CN200520095581U CN2774428Y CN 2774428 Y CN2774428 Y CN 2774428Y CN 200520095581 CN200520095581 CN 200520095581 CN 200520095581 U CN200520095581 U CN 200520095581U CN 2774428 Y CN2774428 Y CN 2774428Y
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circuit
traction
physical therapy
utility
model
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CN 200520095581
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蒋安连
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Abstract

The utility model relates to a multifunctional bone fracture traction physiotherapeutic machine which belongs to the technical field of a medical apparatus for orthopaedics. The utility model mainly solves the problems of the inaccuracy of weighing measurement and the inconvenience of the adjustment of the existing traction device, and simultaneously, the problem that the existing traction device is not provided with a physiotherapeutic device. The utility model has the main characteristics that the utility model comprises a box body, a stepping motor, a driving assembly and a tension sensor, wherein the driving assembly is composed of an assembly supporting seat, a drive gear, a bearing, an outer shell and an end cover; the outer circumference of the drive gear is provided with gear teeth; the center of an inner circle is provided with trapezoidal internal threads; the stepping motor is connected with the driving assembly by a gear; a screw rod with trapezoidal threads is arranged in an inner circle of the drive gear; the screw rod is connected with the tension sensor, and the end part of the screw rod is provided with a traction steel cable; the utility model also comprises a traction control circuit and a physiotherapeutic circuit. The utility model has the characteristics of small volume, a plurality of functions, convenient motion, accurate measurement, adjustable and continuous traction force, difficult swinging and the complete simulation of a weighing state, and is mainly used for the traction therapy and the physiotherapy of bone fracture and bone crack patients.

Description

Multi-functional bone injury traction physical therapy machine
Technical field
This utility model relates to bone injury, traction apparatus is used in the bone splits treatment, and particularly a kind of Weighing is accurate, the continuously adjustable multi-functional bone injury traction physical therapy machine of scope.Belong to orthopaedics armarium technical field.
Background technology
As everyone knows, the Therapeutic Method of the traction of weighing is all adopted in set a broken bone, bone splits since ancient times.The traction apparatus that this Therapeutic Method adopted generally comprises steel wire rope, the wire rope fixing device that connects with the therapy equipment at patient's bone injury position and imposes the piece of weighing of gravity for this steel wire rope.Piece is the various independent pieces of weighing that vary in weight owing to weigh, thereby it separately or to make up the formed series that weighs be discontinuous, its weak point one is the Weighing inaccuracy, can not accurately adjust according to the pull strength of patient's bone injury position actual needs, between the pull strength that makes the pull strength of actual adjustment and need deviation is arranged, and can not reach best traction therapeutic effect; The 2nd, adjust inconvenience, workload is big; The 3rd, easy swing particularly has infringement to the patient that long-term bed does not rise, muscular strength is lost, for patient's later stage rehabilitation brings inconvenience.In addition, because traction apparatus is not provided with physical therapy device, thereby when the patient is carried out traction therapeutic, can not carry out physical therapy to the patient, thereby make the recovery of patient's muscular strength and the formation of callus can not reach optimum state.
Summary of the invention
The purpose of this utility model is exactly to provide at above-mentioned weak point that a kind of Weighing is accurate, the continuously adjustable multi-functional bone injury traction physical therapy machine of scope.
Technical solution of the present utility model is: a kind of multi-functional bone injury traction physical therapy machine, it is characterized in that: comprise casing and be fixed on the intravital motor of case, drive assembly, pulling force sensor, wherein, drive assembly is made of assembly supporting seat, travelling gear, bearing, shell, end cap, the excircle of this travelling gear is provided with the gear teeth, and interior round center is provided with trapezoidal internal thread; Motor connects with drive assembly by gear; Be provided with the leading screw of band trapezoidal thread in the travelling gear in the circle; Leading screw connects with pulling force sensor, and its end is provided with haulage cable; Also comprise the control circuit that constitutes by transducing signal circuit, A/D change-over circuit, central processing unit and peripheral circuit thereof, display circuit, keyboard input circuit, signal isolation circuit, executive circuit.
Can also comprise the physical therapy device that constitutes by power circuit, central processing unit and peripheral circuit thereof, display circuit, keyboard input circuit, D/A change-over circuit, signal amplification circuit, isolation boosting circuit, waveform finishing circuit, output circuit and direct current physical therapy circuit in this utility model technical solution.
Can be provided with the angle pulley group on the intravital built-in beam of case described in this utility model technical solution.
Isolation boosting circuit described in this utility model technical solution can be made of operational amplifier, audion, resistance, transformator; The waveform finishing circuit is made of diode; Output circuit is made of lead-out terminal and output electrode.
Screw mandrel lower end described in this utility model technical solution can be provided with the torsion seat.
Can be provided with and its together clip and the dark slide of moving linearly the upper and lower spacing photoswitch that cooperates with this dark slide on the pulling force sensor shell described in this utility model technical solution; Also comprise the stop circuit that constitutes by this limiting photoelectric switch in the control circuit.
This utility model is owing to adopt by casing, motor, drive assembly, pulling force sensor, leading screw, the multi-functional bone injury traction physical therapy machine that haulage cable and control circuit constitute, wherein, drive assembly is by the assembly supporting seat, travelling gear, bearing, shell and end cap constitute, the excircle of this travelling gear is provided with the gear teeth, interior circle center is provided with trapezoidal internal thread, motor connects with drive assembly by gear, leading screw is provided with trapezoidal thread, its end is connected with haulage cable, control circuit is by the transducing signal circuit, the A/D change-over circuit, central processing unit and peripheral circuit thereof, display circuit, the keyboard input circuit, signal isolation circuit and executive circuit constitute, thereby, motor receives the control wave rotation that control circuit is issued during work, thereby drive the travelling gear rotation, and then drive leading screw moving linearly, thereby produced pulling force, pulling force sensor converts this pulling force to standard signal voltage and exports to the A/D change-over circuit, convert analogue signal to digital signal through the A/D change-over circuit, central processing unit is by the signal of program reception from A/D change-over circuit and keyboard input circuit, export to executive circuit by signal isolation circuit after treatment, make pulling force accurately reach the pulling force of setting, the just pulling force of patient's actual needs by control step motor forward or antiport.Because the self-locking of trapezoidal thread between travelling gear and the leading screw can make motor when the operating position stops arbitrarily, not resilience of pulling force, thereby can reach the adjustable purpose of pulling force continous-stable.This utility model is owing to be provided with the angle pulley group on the intravital built-in beam of case, thereby, by the adjustment of angle pulley position, can adjust the angle of haulage cable within the specific limits.This utility model is owing to also be provided with the physical therapy device that is made of power circuit, central processing unit and peripheral circuit thereof, display circuit, keyboard input circuit, D/A change-over circuit, signal amplification circuit, isolation boosting circuit, waveform finishing circuit, output circuit and direct current physical therapy circuit, thereby, when the patient is carried out traction therapeutic, can carry out physical therapy to the patient, to help the patient to recover muscular strength, promote the formation of callus, patient's bone injury is fully recovered has certain curative effect.This utility model is owing to be provided with the torsion seat in the lower end of leading screw, thereby can prevent that leading screw from rotating with travelling gear.This utility model is owing to be provided with clip, dark slide and upper and lower spacing photoswitch outside pulling force sensor; and in control circuit, be provided with the stop circuit that constitutes by this limiting photoelectric switch; thereby; when dark slide moves to or descend the photoswitch place; this photoswitch institute isolychn is blocked; thereby starting corresponding program makes motor make backward rotation; thereby play position-limiting action (because the range of this utility model leading screw is 55 millimeters), to reach the protection the purpose of this utility model.The utlity model has that volume is little, function is many, conveniently moving, metering is accurate, pull strength is adjustable continuously, be difficult for swing, can simulate the characteristics of the state of weighing fully.This utility model is mainly used in bone injury, bone splits patient traction therapeutic and physical therapy.
Description of drawings
Fig. 1 is a structural representation of the present utility model; Fig. 2 is the right TV structure sketch map of Fig. 1; Fig. 3 is this utility model traction apparatus control circuit signal flow graph; Fig. 4 is this utility model physical therapy circuit signal flow chart; Fig. 5 is this utility model traction apparatus control circuit figure; Fig. 6 is this utility model physical therapy circuit diagram.
The specific embodiment
This utility model hitching machinery part as shown in Figure 1 and Figure 2.Be provided with handrail 29 outside the casing 1, the lower end is provided with steamboat 22, is convenient to people and carries out.Casing 1 bottom is provided with balancing weight 21, with the balance of holding device.Casing 1 front is provided with door 2, can overhaul device.Casing 1 is provided with panel 30, and traction and physical therapy circuit board, touch-switch, display are all adorned thereon.On casing 1 inner bottom plating 24 motor 17, driving gear 18, idler gear 19, drive assembly 11, torsion seat 13, assembly supporting seat 10, leading screw 12, pulling force sensor 9, angle pulley 6, haulage cable 5 etc. are housed, wherein, drive assembly 11 is made up of travelling gear 28, bearing 25, shell 26, end cap 27 etc.
Be processed with the gear teeth on the cylindrical of travelling gear 28, interior round center has trapezoidal thread, and can produce two kinds of effects after leading screw 12 cooperates: the one, rotatablely moving of transmitting of motor changed over the rectilinear motion of leading screw; The 2nd, because the auto-lock function of trapezoidal thread can make motor 17 not resilience of pulling force when the operating position stops arbitrarily, thereby reach the adjustable purpose of pulling force continous-stable.Adopting the trapezoidal thread at circle center in motor 17 and the travelling gear 28 is key of the present utility model.
During this utility model work, the control wave rotation that motor 17 reception control circuits are issued, thus drive driving gear 18, idler gear 19, travelling gear 28 rotations, because the rotation of travelling gear 28, drive leading screw 12 moving linearlies, thereby produced pulling force.Torsion seat 13 is arranged on leading screw 12 lower ends, can prevent that leading screw 12 from rotating with travelling gear 28.The measurement of pulling force relies on pulling force sensor 9 to carry out.
Four angle pulleies 6 constitute assembly pulley, are loaded on the built-in beam 7, and can adjust its relevant position, thereby can adjust the angle of haulage cable 5 within the specific limits.Haulage cable 5 one ends connect with pulling force sensor 9, and the other end connects with haulage cable 3 with treatment through cable wire coupling 4.Base plate 24, built-in beam 7 are individually fixed on the column 23.
Traction apparatus control circuit such as Fig. 3, shown in Figure 5.Electric control system is by power circuit 48, pulling force sensor 9, A/D change-over circuit 32, central processing unit 34, display circuit 35, keyboard input circuit 33, output signal buffer circuit 36, stop electrical equipment 38, compositions such as executive circuit 37, motor 17.Control circuit is to adopt conventional to come the control circuit of control step motor 17 runnings by central processing unit 34 according to the size of pulling force sensor 9 transmitted numbers, just the control sequence difference of establishment.
Power circuit 48 is the custom circuits that produce 5V, 12V, 40V DC voltage.Produce 5V, 12V, 40V DC voltage by mains transformer 20, after voltage stabilizing, supply each circuit voltage respectively.Wherein, the 5V DC voltage uses for each chip, and the 12V DC voltage uses for pulling force sensor 9, and the 40V DC voltage uses for motor 17.
Pulling force sensor 9 adopts CLB-1 pull pressure sensor and dynamometry transmitter.Can convert external pull to standard signal voltage through pick off, export to A/D change-over circuit 32 through resistance R 4.This analogue signal converts digital signal to after data/address bus offers central processing unit 34 through A/D change-over circuit 32.
A/D change-over circuit 32 is made up of the ADC0809 chip.Pulling force sensor 9 analogue signal of sending converts digital signal to through this chip, offers central processing unit 34 through data/address bus again and understands.
Display circuit 35 and keyboard input circuit 33 are made up of six seven sections light-emitting diode displays, 8279 display interface device chips, keyboard input circuit, 7,4LS,240 eight anti-phase line drives and 74LS138 decoder.7,4LS,240 eight anti-phase line drives provide segment encode for charactron.The 74LS138 decoder send the timesharing pulse by decoder to digital display circuit 35 and keyboard input circuit 33.
Stepping motor control circuit (executive circuit 37) is the finished parts of together supplying with motor 17, the adaptive biphase and four phase composite stepper motors of this control circuit, adopt bipolar driving, the control of PWM constant current chopper, input signal adopt light every, support synchronizing, 2,4,8 segmentations (the motor step angle is respectively 1.8 °, 0.9 °, 0.45 °, 0.225 °).Can make the stepper angle fraction of motor just because of this circuit, just improve the precision that pulling force is set.
This device is provided with the stroke protection, and its range is 55 millimeters.Holding circuit is finished by stop circuit 38.Stop circuit 38 is included in to be equipped with on the pulling force sensor 9 with it together does straight-line clip 8 and dark slide 14; when the driven by motor guide screw movement arrives limit inferior point (or limit superior point); dark slide 14 also moves to when being loaded on following (or on) photoswitch 16 places on the power panel 15 and covering light emitting diode institute isolychn; photoswitch 16 output electronegative potentials; make P13 (or P14) the pin current potential step-down of central processing unit 34; program uses inquiry mode to check P13 (or P14) pin current potential; after program inquiring arrives the variation of P13 (or P14) pin current potential; to start corresponding program and handle just (or anti-) commentaries on classics of motor 17, thereby reach the purpose of protection traction apparatus range.
Central processing unit 34 is made up of 89C52 singlechip chip and peripheral oscillating circuit, reset circuit and address, data/address bus.Central processing unit 34 is exported to executive circuit 37 by signal isolation circuit 36 after treatment by the signal of program reception from A/D change-over circuit 32, keyboard input circuit 33, stop circuit 38, thereby reaches the purpose of control step motor 17 runnings.Central processing unit 34 also shows data by display device simultaneously.
The technical specification of traction element is: rated voltage is 220V ± 5%, and pulling force is that 0~20KG is adjustable continuously, and the pulling force precision is ± 0.1KG (reality can reach 0.001KG) that stroke is 55 millimeters.
The using method of traction element is as follows:
(1), will treat haulage cable 3 earlier connects with haulage cable 5 usefulness cable wire couplings 4;
(2), after the energising, be provided with by button and allow the maximum pull value; When device detected actual pulling force above this maximum pull value, device was with autostop and send sound and light alarm;
(3), by push " advancing continuously ", " moving back continuously ", " stepping ", " step moves back " four buttons can be controlled motor movement respectively and reach: increase continuously pulling force; Reduce pulling force continuously; Crawl increases pulling force (every crawl once approximately increases the value of thrust of 0.1KG); Crawl reduces pulling force (every crawl once approximately reduces the value of thrust of 0.1KG);
(4), by after manually adjusting value of thrust, can push " dangling " button, the setting of " dangling " button will be simulated the state of weighing exactly fully, because the variation of patient's position in distraction procedure, value of thrust is changed, and for guaranteeing curative effect, this variation is unallowed; For this this device has designed " dangling " state, under this state, device compares by continuous detection value of thrust and the value of thrust of adjusting, and when finding that value of thrust is excessive, 17 counter-rotatings of control motor reduce pulling force; When finding that value of thrust is too small, control motor 17 is just changeing, and increases pulling force; Guarantee the constant purpose of value of thrust thereby reach.
(5), the traction finish, pressing keys is backed to square one motor, unclamps cable wire coupling 4, cuts off the electricity supply.
Physical therapy device such as Fig. 4, shown in Figure 6.The physical therapy circuit is made up of power circuit 48, central processing unit 40, display circuit 39, keyboard input circuit 41, D/A change-over circuit 42, signal amplification circuit 43, isolation boosting circuit 44, waveform finishing circuit 45, output circuit 46 and direct current physical therapy circuit 47.Central processing unit 40, display circuit 39 and keyboard input circuit 41 are corresponding identical with each circuit in the traction element control circuit.Be provided with two electrode leads to client on panel 30, two electrodes are connected on this terminal, and electrode can adopt commercially available SMD electrode.
Power circuit 48 provide 5V, ± the 12V DC voltage uses for each circuit.Wherein, 5V voltage uses for each chip circuit, and ± 12V DC voltage uses for the operational amplifier in the physical therapy circuit.Power supply and pulliung circuit are shared.
Central processing unit 40 is by programming goes out to vary in size, interval is different staircase waveform, send into D/A D/A converting circuit 42 and convert analog quantity to, then by LM318 operational amplifier Q1 output interrupted wae (rarefaction wave, condensation wave, dilatational wave, rise ripple), form current mode isolation boosting circuit 44 jointly by 9014 audion Q2, resistance R 1, R2 and booster transformer T1, this circuit 44 boosts at interrupted wae that will output and (in the 25V~80V), also signal circuit and high-tension circuit is kept apart into high pressure.Waveform finishing circuit 45 is by 2CZ51D diode D1 interrupted wae to be rectified into positive half-wave output.Output circuit 46 is made up of lead-out terminal and output electrode.
The direct current electrophysical therapy circuit is a custom circuit, can export the continuously adjustable DC current of 0-500 μ A and be used for physical therapy.
Physical therapy device has direct current electrophysical therapy and two kinds of functions of low-frequency pulse physical therapy.Direct current electrophysical therapy has the effect that promotes union of fracture and promote callus formation.The low-frequency pulse physical therapy has the effect of analgesia, the atrophy of prevention apraxia muscular strength.During use electrode is affixed on the corresponding acupuncture point of human body, energising afterpulse electric current promptly acts on human body by two electrodes, and by pushing touch-switch, intensifier pulse intensity gradually has obviously with human body to be felt as.
The technical specification of physical therapy part is, rated voltage is 220V ± 5%, and frequency is 2Hz~100Hz, and pulsewidth is 0.04~0.4ms, pulse voltage V PPFor: 25V~80V, direct current physical therapy electric current are that 0-500 μ A is adjustable continuously.
The using method of physical therapy part is as follows:
(1), electrode is affixed near patient's site of disease place, acupuncture point, its lead-in wire is connected on the lead-out terminal;
(2), energized, select suitable waveform with button;
(3), progressively increase or reduce magnitude of voltage with button "+", "-"; Till the patient has obvious sensation;
(4), push " affirmation " key, device will begin self-clocking (20 minutes);
(5), after the time arrives, device sends chimes of doom, informs that this physical therapy finishes;
(6), powered-down, remove lead-in wire.
This device can be play 12 first light musics automatically during whole physical therapy, to regulate physical therapy atmosphere.

Claims (6)

1, a kind of multi-functional bone injury traction physical therapy machine, it is characterized in that: comprise casing (1) and be fixed on casing (1) interior motor (17), drive assembly (11), pulling force sensor (9), wherein, drive assembly (11) is made of assembly supporting seat (10), travelling gear (28), bearing (25), shell (26), end cap (27), the excircle of this travelling gear (28) is provided with the gear teeth, and interior round center is provided with trapezoidal internal thread; Motor (17) connects with drive assembly (11) by gear (18,19); Be provided with the leading screw (12) of band trapezoidal thread in the travelling gear (28) in the circle; Leading screw (12) connects with pulling force sensor (9), and its end is provided with haulage cable (5); Also comprise the control circuit that constitutes by sensor signal circuit (31), A/D change-over circuit (32), central processing unit (34) and peripheral circuit thereof, display circuit (35), keyboard input circuit (33), signal isolation circuit (36), executive circuit (37).
2, a kind of multi-functional bone injury traction physical therapy machine according to claim 1 is characterized in that: also comprise the physical therapy device that is made of power circuit (48), central processing unit (40) and peripheral circuit thereof, display circuit (39), keyboard input circuit (41), D/A change-over circuit (42), signal amplification circuit (43), isolation boosting circuit (44), waveform finishing circuit (45), output circuit (46) and direct current physical therapy circuit (47).
3, a kind of multi-functional bone injury traction physical therapy machine according to claim 1 and 2, it is characterized in that: the built-in beam (7) in the described casing (1) is provided with angle pulley group (6).
4, a kind of multi-functional bone injury traction physical therapy machine according to claim 2, it is characterized in that: described isolation boosting circuit (44) is by operational amplifier (Q1), audion (Q2), resistance (R 1, R 2), transformator (T1) constitutes; Waveform finishing circuit (45) is made of diode (D1); Output circuit (46) is made of lead-out terminal and output electrode.
5, a kind of multi-functional bone injury traction physical therapy machine according to claim 1 and 2, it is characterized in that: described screw mandrel (12) lower end is provided with torsion seat (13).
6, a kind of multi-functional bone injury traction physical therapy machine according to claim 1 and 2, it is characterized in that: described pulling force sensor (9) is outer to be provided with and its together clip of moving linearly (8) and dark slide (14) the upper and lower spacing photoswitch (16) that cooperates with this dark slide (14); Also comprise the stop circuit (38) that constitutes by this limiting photoelectric switch (16) in the control circuit.
CN 200520095581 2005-03-21 2005-03-21 Multifunction bone fracture traction physiotherapeutic machine Expired - Fee Related CN2774428Y (en)

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Application Number Priority Date Filing Date Title
CN 200520095581 CN2774428Y (en) 2005-03-21 2005-03-21 Multifunction bone fracture traction physiotherapeutic machine

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Application Number Priority Date Filing Date Title
CN 200520095581 CN2774428Y (en) 2005-03-21 2005-03-21 Multifunction bone fracture traction physiotherapeutic machine

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CN2774428Y true CN2774428Y (en) 2006-04-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104622550A (en) * 2013-11-13 2015-05-20 沈阳新松机器人自动化股份有限公司 Control system for full-automatic orthopedic traction robot
CN104720950A (en) * 2015-04-11 2015-06-24 山东威瑞外科医用制品有限公司 Tractor
CN106137501A (en) * 2016-06-24 2016-11-23 青岛大学附属医院 A kind of basket type traction frame for children orthopedics

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104622550A (en) * 2013-11-13 2015-05-20 沈阳新松机器人自动化股份有限公司 Control system for full-automatic orthopedic traction robot
CN104720950A (en) * 2015-04-11 2015-06-24 山东威瑞外科医用制品有限公司 Tractor
CN106137501A (en) * 2016-06-24 2016-11-23 青岛大学附属医院 A kind of basket type traction frame for children orthopedics

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Granted publication date: 20060426