CN202801570U - Lower limb compressive resistance loading device - Google Patents
Lower limb compressive resistance loading device Download PDFInfo
- Publication number
- CN202801570U CN202801570U CN 201220492163 CN201220492163U CN202801570U CN 202801570 U CN202801570 U CN 202801570U CN 201220492163 CN201220492163 CN 201220492163 CN 201220492163 U CN201220492163 U CN 201220492163U CN 202801570 U CN202801570 U CN 202801570U
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- China
- Prior art keywords
- lower limb
- base plate
- step tread
- compressive stress
- compressive resistance
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Abstract
The invention discloses a lower limb compressive resistance loading device which comprises a base plate, a step tread, a strap which is used for fixing the body and a stretching mechanism which pulls the step tread to slide relative to the base plate. The stretching mechanism which pulls the step tread to slide relative to the base plate is provided with a pulling force measuring device. The lower limb compressive strength loading device is mainly used for exerting compressive resistance to bones of the lower limb and lower limb joints to enable the lower limb to be placed in a constant compressive resistance environment, and therefore medical workers or researcher can conveniently further detect biological responses of the bones of the lower limb and the lower limb joints on the condition of a certain constant compressive resistance, and the biological responses include the change of the strain and the viscoelasticity of cartilago articularis, fracture concrescence status and the like. The size and the time of the exerted compressive resistance are controllable. The exerted compressive resistance can be directly read by the pulling force measuring device and controlled by the stretching 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 the 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 are such as articular cartilage strain and viscoelasticity change, union of fracture state etc.
Summary of the invention
The Lower limb bone that the present invention is intended to help medical personnel or research worker to detect better, more easily the patient and the joint of the lower extremity biological respinse under certain compressive stress condition provides a kind of lower limb compressive stress charger.
Lower limb compressive stress charger is provided with the drawing mechanism of the relative base plate slip with the pulling step tread of bandage 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 slidingly connected, and step tread and base plate can adopt the multiple mode that is slidingly connected, and the present invention adopts and is provided with the twice chute at base plate, and the step tread lower end is provided with the mode that is slidingly connected of slide block.The drawing mechanism that the relative base plate of pulling step tread slides can adopt various structures, adopts pulling force rope and hoist engine structure here, and an end of pulling force rope is connected with step tread, and the other end links to each other with hoist engine.In described pulling force rope, also be 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 with the direction pulling of step tread to head, the dynamics size of pulling step tread all can be controlled with the time.The large I of compressive stress that lower limb are applied directly reads by the 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 is connected the drawing mechanism that connection and the relative base plate of pulling step tread slide and can also is with base plate: be provided with the twice chute at the base plate middle part, the twice chute is the dovetail structure, be provided with one slide-plate in twice dove-tail form chute, step tread is slidingly connected by slide plate and base plate; The drawing mechanism that the relative base plate of described pulling step tread slides is comprised 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 the screw mandrel support, and screw mandrel is connected with the strain gauge measuring device by the 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.The rotary screw rod handle drives step tread by pulling force rope and spurs to cephalad direction, and the dynamics size of pulling step tread all can be controlled with time length.The large I of compressive stress that lower limb are applied directly reads by the 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 be in a constant compressive stress environment, thereby make things convenient for 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, such as articular cartilage strain and viscoelasticity change, union of fracture state etc., make things convenient for medical personnel to the timely diagnosis and treatment of patient.
Description of 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
The present invention will be further described below in conjunction with accompanying drawing.
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, so that base plate and step tread are slidingly connected.One end of pulling force rope is connected with step tread, and the other end is connected with hoist engine, and the place also is provided with the strain gauge measuring device in the middle of described pulling force rope.
During use, the patient lies low, and foot is placed on the 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 the hoist engine handle, by pulling force rope pulling step tread, step tread is spurred to cephalad direction, patient's single lower limb is carried out load on.The large I of compressive stress that patient's lower limb are applied directly reads by the strain gauge measuring device, and controls the compressive stress size that the patient is applied by rotating hoist engine.
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 the twice chute at the base plate middle part, the twice chute is the dovetail structure, is provided with one slide-plate in twice dove-tail form chute, and step tread is slidingly connected by slide plate and base plate.Screw handle and screw mandrel are fixed on base plate one end by the screw mandrel support, screw mandrel is connected with the strain gauge measuring device by the 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.
During use, the patient lies low, and foot is placed on the step tread sole and step tread close contact.Simultaneously the bandage of fixing human is striden across 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.The pulling force size that the relative base plate of pulling step tread slides is controlled by screw mandrel, and the rotary screw rod handle by pulling force rope pulling step tread, spurs step tread to cephalad direction, patient's single lower limb is carried out load on.The large I of compressive stress that patient's lower limb are applied directly reads by the strain gauge measuring device, and by the rotary screw rod handle, promotes screw mandrel and advance and retreat to control the compressive stress size that the patient is applied.
Adopt above-mentioned embodiment, can better realize the present invention.
Claims (7)
1. one kind
Lower limb compressive stress chargerBase plate and the step tread that is connected with base plate are arranged, another section of base plate is with the bandage of fixing human, it is characterized in that: step tread and base plate adopt and are slidingly connected, also be provided with the drawing mechanism that the relative base plate of pulling step tread slides between step tread and the base plate and connect, drawing mechanism is with the strain gauge measuring device.
2. a kind of lower limb compressive stress charger according to claim 1, it is characterized in that: the bandage of described fixing human is the annular belt shape
3. a kind of lower limb compressive stress charger according to claim 1 is characterized in that: the bandage of described fixing human is that Dual-shoulder is banded.
4. a kind of lower limb compressive stress charger according to claim 1 is characterized in that: the sliding connection structure of described step tread and base plate is, is provided with the twice chute at base plate, is provided with two slide blocks below step tread, adopts slide block to embed chute and connects.
5. a kind of lower limb compressive stress charger according to claim 1 is characterized in that: the sliding connection structure of described step tread and base plate is that being slidingly connected of dovetail groove type adopted in being slidingly connected of step tread and base plate.
6. a kind of lower limb compressive stress charger according to claim 1 is characterized in that: the stretching of described drawing mechanism employing hoist engine.
7. a kind of lower limb compressive stress charger according to claim 1 is characterized in that: the stretching of described drawing mechanism employing screw mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220492163 CN202801570U (en) | 2012-09-25 | 2012-09-25 | Lower limb compressive resistance loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220492163 CN202801570U (en) | 2012-09-25 | 2012-09-25 | Lower limb compressive resistance loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202801570U true CN202801570U (en) | 2013-03-20 |
Family
ID=47860521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220492163 Expired - Fee Related CN202801570U (en) | 2012-09-25 | 2012-09-25 | Lower limb compressive resistance loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202801570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860818A (en) * | 2012-09-25 | 2013-01-09 | 大连医科大学 | Compressive stress loading device for lower limbs |
-
2012
- 2012-09-25 CN CN 201220492163 patent/CN202801570U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860818A (en) * | 2012-09-25 | 2013-01-09 | 大连医科大学 | Compressive stress loading device for lower limbs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150925 |
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| EXPY | Termination of patent right or utility model |