CN102860818B - Compressive stress loading device for lower limbs - Google Patents
Compressive stress loading device for lower limbs Download PDFInfo
- Publication number
- CN102860818B CN102860818B CN201210360180.5A CN201210360180A CN102860818B CN 102860818 B CN102860818 B CN 102860818B CN 201210360180 A CN201210360180 A CN 201210360180A CN 102860818 B CN102860818 B CN 102860818B
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- China
- Prior art keywords
- compressive stress
- base plate
- step tread
- lower limb
- loading device
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Abstract
The invention discloses a compressive stress loading device for lower limbs. The compressive stress loading device for lower limbs is provided with a bottom board, a foot board, a strap for fixing a human body, and a tensile mechanism for pulling the foot board to slide relative to the bottom board. The tensile mechanism for pulling the foot board to slide relative to the bottom board is provided with a tension meter. The compressive stress loading device for lower limbs mainly functions in applying certain compressive stress to lower limb bones and lower limb joints of a patient to maintain the lower limbs under constant compressive stress, so that medical workers or scientific researchers can further conveniently test biological responses of the lower limb bones and lower limb joints under the certain compressive stress, such as change in joint cartilage stress and viscoelasticity, fracture healing state and the like. Magnitude and duration of the compressive stress are controllable, the magnitude of the applied compressive stress can be directly read through the tension meter, and the magnitude of the compressive stress can be controlled through the tensile mechanism.
Description
Technical field
The present invention relates to a kind of biologic medical research equipment, particularly a kind of lower limb compressive stress charger.
Background technology
In treatment medical treatment, grasp human body lower limbs bone and the joint of the lower extremity biological respinse situation under certain compressive stress condition, to the treatment important role of some diseases.Existing Medical Instruments, Lower limb bone and the biological respinse of joint of the lower extremity under certain compressive stress condition that can not help very easily healthcare givers or research worker detection patient, as articular cartilage strain and viscoelasticity change, union of fracture state etc.
Summary of the invention
The present invention is intended to the Lower limb bone and the biological respinse of joint of the lower extremity under certain compressive stress condition that help medical personnel or research worker to detect better, more easily patient, and a kind of lower limb compressive stress charger is provided.
Lower limb compressive stress charger is provided with the bandage and the drawing mechanism that pulls the relative base plate of step tread to slide of base plate, step tread, fixing human.The bandage of fixing human can be set to various structures, is mainly used to the health of immobilized patients.Step tread and base plate are slidably connected, and step tread and base plate can adopt the multiple mode that is slidably connected, and the present invention adopts and is provided with twice chute at base plate, and step tread lower end is provided with the mode that is slidably connected of slide block.The drawing mechanism that pulls the relative base plate of step tread to slide can adopt various structures, adopts pulling force rope and hoist engine structure here, and one end of pulling force rope is connected with step tread, and the other end is connected with hoist engine.In described pulling force rope, be also provided with a strain gauge measuring device.The handle of medical personnel or the rotatable hoist engine of research worker, drives step tread by pulling force rope, and step tread is pulled to the direction of head, pulls the dynamics size of step tread all can control with the time.The large I of compressive stress that lower limb are applied directly reads by strain gauge measuring device, and the large I of compressive stress is controlled by rotating hoist engine.
The step tread of lower limb compressive stress charger and the connection of base plate and the drawing mechanism that pulls the relative base plate of step tread to slide can also be: be provided with twice chute at base plate middle part, twice chute is dovetail structure, in twice dove-tail form chute, be provided with one slide-plate, step tread is slidably connected by slide plate and base plate; The described drawing mechanism that pulls the relative base plate of step tread to slide is made up of screw mandrel, screw handle, screw mandrel support, strain gauge measuring device, quantifier suspension ring, pulling force rope and pulley.Screw handle and screw mandrel are fixed on base plate one end by screw mandrel support, and screw mandrel is connected with strain gauge measuring device by quantifier suspension ring; The middle part of base plate is provided with two fixed pulleys, and the base plate beginning is provided with a fixed pulley, strain gauge measuring device lower end with pulling force rope walk around fixed pulley and be connected with step tread.Rotary screw rod handle, drives step tread to pull to cephalad direction by pulling force rope, pulls the dynamics size of step tread all can control with time length.The large I of compressive stress that lower limb are applied directly reads by strain gauge measuring device, and the large I of compressive stress is controlled by promoting screw mandrel.
The invention has the beneficial effects as follows: by quantitatively applying compressive stress to patient's single lower limb, make lower limb in a constant compressive stress environment, thereby facilitate medical personnel or research worker further to detect Lower limb bone and the biological respinse of joint of the lower extremity under certain compressive stress condition, as articular cartilage strain and viscoelasticity change, union of fracture state etc., facilitate medical personnel to the timely diagnosis and treatment of patient.
Brief description of the drawings
Fig. 1 is the lower limb compressive stress charger structure chart with unidirectional forcing shaft.
Fig. 2 is the lower limb compressive stress charger structure chart with screw handle.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Embodiment 1:
As shown in Figure 1, a kind of lower limb compressive stress charger, is provided with bandage 4, pulling force rope 2, strain gauge measuring device 3 and the hoist engine 7 of base plate 6, step tread 1, fixing human.Be provided with twice chute 5 in the front of base plate, the below of step tread is provided with two slide blocks, and slide block embeds chute, and base plate and step tread are slidably connected.One end of pulling force rope is connected with step tread, and the other end is connected with hoist engine, is also provided with strain gauge measuring device in the middle of described pulling force rope.
When use, patient lies low, and foot is placed on step tread, and sole and step tread fit tightly, and the bandage of fixing human is tied up in loins, fixes patient's the lower part of the body, makes base plate be stabilized in patient's shank, prevents that base plate from sliding.Rotate hoist engine handle, pull step tread by pulling force rope, step tread is pulled to cephalad direction, patient's single lower limb is carried out to load on.The large I of compressive stress that patient's lower limb are applied directly reads by strain gauge measuring device, and controls by rotating hoist engine the compressive stress size that patient is applied.
Embodiment 2:
As shown in Figure 2, a kind of lower limb compressive stress charger, is provided with bandage 11, screw mandrel 12, screw handle 9, screw mandrel support 8, strain gauge measuring device 10, quantifier suspension ring 13, pulling force rope 7 and the pulley 4(5 of base plate 1, step tread 2, fixing human, 6).Be provided with twice chute at base plate middle part, twice chute is dovetail structure, in twice dove-tail form chute, is provided with one slide-plate, and step tread is slidably connected by slide plate and base plate.Screw handle and screw mandrel are fixed on base plate one end by screw mandrel support, screw mandrel is connected with strain gauge measuring device by quantifier suspension ring, the middle part of base plate is provided with two fixed pulley 4(5), the base plate beginning is provided with a fixed pulley 6, strain gauge measuring device lower end with pulling force rope walk around fixed pulley and be connected with step tread.
When use, patient lies low, and foot is placed on step tread to sole and step tread close contact.The bandage of fixing human is striden across to patient's both shoulders, the whole health of immobilized patients, makes base plate be stable in patient's shank, prevents that base plate from sliding simultaneously.Pull the pulling force size of the relative base plate slip of step tread by screw mandrel control, rotary screw rod handle, pulls step tread by pulling force rope, and step tread is pulled to cephalad direction, and patient's single lower limb is carried out to load on.The large I of compressive stress that patient's lower limb are applied directly reads by strain gauge measuring device, and by rotary screw rod handle, promotes screw mandrel and advance and retreat to control the compressive stress size that patient is applied.
Adopt above-mentioned embodiment, can better realize the present invention.
Claims (1)
1. a lower limb compressive stress charger, there are base plate and the step tread being connected with base plate, another section of base plate is with the annular belt shape of fixing human or the bandage of Dual-shoulder band shape, it is characterized in that: base plate is provided with twice chute, below step tread, be provided with two slide blocks, adopt slide block to embed chute and connect, or between base plate and step tread, adopt being slidably connected of dovetail groove type; Between step tread and base plate, have the hoist engine drawing mechanism or the screw mandrel drawing mechanism that pull the relative base plate of step tread to slide, drawing mechanism is with strain gauge measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210360180.5A CN102860818B (en) | 2012-09-25 | 2012-09-25 | Compressive stress loading device for lower limbs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210360180.5A CN102860818B (en) | 2012-09-25 | 2012-09-25 | Compressive stress loading device for lower limbs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102860818A CN102860818A (en) | 2013-01-09 |
| CN102860818B true CN102860818B (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210360180.5A Expired - Fee Related CN102860818B (en) | 2012-09-25 | 2012-09-25 | Compressive stress loading device for lower limbs |
Country Status (1)
| Country | Link |
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| CN (1) | CN102860818B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245645B (en) * | 2013-04-17 | 2015-07-01 | 中国人民解放军第四军医大学 | Laser scanning confocal synchronous stress loading method and device for detecting in-vitro rat tibia calcium |
| CN104257395A (en) * | 2014-09-02 | 2015-01-07 | 朱双珠 | Sole pressurization device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038758A (en) * | 1987-04-21 | 1991-08-13 | Superspine, Inc. | User controlled device for decompressing the spine |
| US4741506A (en) * | 1987-07-20 | 1988-05-03 | F & F Koenigkramer, Inc. | Moveable base support for an examination/treatment chair |
| US5279530A (en) * | 1992-05-01 | 1994-01-18 | Hess Daniel F | Portable leg exercising apparatus |
| JP4226621B2 (en) * | 2006-09-11 | 2009-02-18 | 株式会社コトブキ | Balance training equipment |
| CN201389292Y (en) * | 2009-04-14 | 2010-01-27 | 陈鸿强 | Training aids for recovering vein function of lower limbs |
| CN201394307Y (en) * | 2009-06-15 | 2010-02-03 | 陈佳怡 | Rehabilitative training device |
| US20110160625A1 (en) * | 2009-12-28 | 2011-06-30 | Nikolay Yefimov | Apparatus and method for training knee and hip joints of a patient in post-traumatic or post-operative period |
| CN202801570U (en) * | 2012-09-25 | 2013-03-20 | 大连医科大学 | Lower limb compressive resistance loading device |
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2012
- 2012-09-25 CN CN201210360180.5A patent/CN102860818B/en not_active Expired - Fee Related
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| CN102860818A (en) | 2013-01-09 |
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