CN104287749B - A kind of noinvasive human body long bone fracture closed reduction force measuring device - Google Patents
A kind of noinvasive human body long bone fracture closed reduction force measuring device Download PDFInfo
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- CN104287749B CN104287749B CN201410591157.6A CN201410591157A CN104287749B CN 104287749 B CN104287749 B CN 104287749B CN 201410591157 A CN201410591157 A CN 201410591157A CN 104287749 B CN104287749 B CN 104287749B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
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Abstract
The invention discloses a kind of noinvasive human body long bone fracture closed reduction force measuring device, including front bar, rear bar, the first U-board, the second U-board, arc, upper bracket, lower carriage, regulating tank, pulling force sensor, pressure transducer.Front bar top is equally spaced U-lag, it is ensured that the spacing of pressure stress point is identical every time, and is equally spaced in fracture seam both sides；Front bar bottom is fluted, can imbed holding wire；There is through hole front bar one end, is connected by front bolt and the first U-board；The front bar other end is threadeded with rear bar；Arc, the first U-board are threadeded with pressure transducer；Lower carriage two ends connecting plate has through hole, is fixed with regulating tank by sunk screw；Upper bracket, the second U-board are threadeded with pulling force sensor；Upper bracket can move in regulating tank, regulates support size.Doctor utilizes this device to complete femoral shaft stage casing fracture closed reduction under C arm machine, and Real-time Collection corrects the reset mechanical information of fracture fore-and-aft direction displacement.
Description
Technical field
The invention belongs to surgical operation Aided Machine field, relate to a kind of be primarily adapted for use in long bone fracture reset force measure
Reduction of the fracture force measuring device.
Background technology
Along with the arrival in biological osteosynthesis BO (Biological Osteosynthesis) period, closed reduction intramedullary pin is solid
Surely having become as the goldstandard therapeutic modality of fracture of shaft of femur, its core is exactly Wicresoft or noinvasive closed reduction.During operation
Fracture fully being drawn out along the fracture site of femur long axis direction overlap displacement by extension table, then doctor utilizes hands
Method or apparatus auxiliary obtain interim reset, in order to insert golden finger or guide pin, implant intramedullary pin after expanding marrow, the completeest
Becoming far and near end interlocking, complete under supervision that whole operation have an X-rayed in C arm machine and guiding, doctor and patient are brought doctor by this
The radiation injury of source property；For most of doctors, the closed reduction of dependence experiential operating is not one and easily works,
And maintain satisfied closed reduction state to have more challenge for a long time, until today, how to avoid in operation process
Reset to lose and be still that the difficult problem that orthopaedic trauma doctor faces.The mechanical assistance bone in consideration of it, Chinese scholars begins one's study
Folding resetting technique, and manufactured and designed several test fracture of shaft of femur and reset machinery, but these fracture auxiliary are multiple
Position equipment does not the most possess mechanics feedback mechanism.
Due to the restriction of Medical Ethics, lack the mechanical meaurement device being suitable for Clinical practice, the forces associated of reset force in addition
Parameter acquisition difficulty, so for many years, the Progress in Research of Biomechanical Properties that human fracture resets is slow.Thomas
Gosling devises reset force when being enclosed within the bulk measurement reduction of the fracture and a system for moment.This measurement system mainly includes
Root External fixation screw, a three-dimensional force sensor, a handle and a computer.It is remote that root External fixation screw is fixed on fracture
Holding and pass through a steel plate and be connected with sensor, make fracture site align by regulation handle, sensor can be with Real-time Collection
Reset force, moment are also transferred to personal computer.The shortcoming of this system is invasive operation, two External fixation screws need to be bored
Entering femur, bring unnecessary iatrogenic injury to patient, its application has the biggest dispute and limitation.
It is an object of the invention to design a kind of noinvasive human body long bone fracture closed reduction mechanical meaurement device, be especially suitable for
Fracture of shaft of femur in simple types.This device, while providing reliable reduction of the fracture function, can accurately be measured
The relevant parameter of reduction of the fracture mechanics, might as well be in the way fluoroscopy during operation, patient will not produce additional injury, meet clinic
Medical Ethics requirement, the measurement of these fracture biomechanical parameters and analysis, for the development of auxiliary reset robot of fracturing
Theoretical foundation and clinical reference are provided.This measurement apparatus is with low cost, processing ease, and adjusting is to be applicable to
The patient of different building shape, rapid decomposable dismounting, it is simple to Aseptic sterilisation, flattening packaging is easy to storage and is carried.
Summary of the invention
Technical problem: the present invention provides a kind of and has enough Stability and adaptabilities, can complete different building shape patient bone
While folding resets, gathering the reset mechanical information needed, the development for fracture auxiliary reset robot provides data to prop up
The noinvasive human body long bone fracture closed reduction force measuring device held.
Technical scheme: the noinvasive human body long bone fracture closed reduction force measuring device of the present invention, including front bar, setting
The rear bar being connected with the front bar other end at the fracture near-end reset pressure measuring assemblies of front bar one end connects in the middle part of front bar
Connect and be positioned at the fracture far-end reset tension measurement assembly below front bar；
Described fracture near-end reset pressure measuring assemblies includes being sequentially connected with the first U-board of setting, pressure from top to bottom
Sensor and arc, the top of described first U-board is hinged with front bar one end, the arc opening of described arc to
Under, arc installs the bottom surface being connected to pressure transducer by the first boss that upper side is arranged；
Described fracture far-end reset tension measurement assembly includes being sequentially connected with the second U-board of setting, pulling force from top to bottom
Sensor, upper bracket and lower carriage, and two regulating tanks being arranged on lower carriage, described upper bracket and lower carriage
Being U-shaped hatch frame, both openings are connected as an integral support relatively, and said two regulating tank is symmetricly set on
Two vertical connecting plate upper ends of lower carriage, the vertical connecting plate of upper bracket inserts regulating tank and fixes with holding screw,
The bottom surface being connected to pulling force sensor is installed in upper end by the second boss that upper side is arranged；The upside of described front bar is arranged
The U-lag being equally spaced, the upper end of described second U-board is had to be bolted to connection in U-lag.
In the preferred version of apparatus of the present invention, it is recessed that the downside of front bar is provided with for placement force sensor signal lines
Groove.
In the preferred version of apparatus of the present invention, one end of rear bar is connected with front bar by screw thread, and the other end is provided with handle.
In the preferred version of apparatus of the present invention, the lower end of upper bracket can move up and down adjustment in regulating tank, and is adjusting
Fix with holding screw after putting in place；The upper end of described second U-board can move axially adjustment in front bar, and is being adjusted to
It is bolted to connection after Wei in U-lag.
In the preferred version of apparatus of the present invention, two vertical connecting plates of lower carriage are provided with vertical direction equidistant arrangement
Through hole, described regulating tank is fixed on the through hole of lower carriage upper end by sunk screw.
In the preferred version of apparatus of the present invention, two vertical connecting plates of upper bracket are provided with vertical direction equidistant arrangement
Upper tapped through hole.
Beneficial effect: compared with prior art, technical scheme has the advantage that
The present invention be human body long bone fracture closed reduction power at fluid measurement device, directly in patients with fractures's reattachment surgery mistake
Measuring in journey, noinvasive operates, and to human body fanout free region, measures simple to operate.And existing technology is essentially all
Healthy volunteer is measured, it is impossible to enough fracture patient reset mechanics is measured, fluid measurement device due to
Being the somatometry carried out under clinical state, the reliable measuring data obtained is high, more accurately reflects practical situation.
Having both at home and abroad and seldom reduction of the fracture mechanical information is carried out the report in bulk measurement, some reset force measurements are to utilize one
Fixed plate both sides connect two Kirschner wires and sensor respectively, experience reseting procedure in then Kirschner wire inserts suffering limb body
Middle muscular force changes and carries out later stage process by sensor transmissions to computer, although be in bulk measurement, but to patient
Bring additional injury；The sensor of installing at the sole of fracture auxiliary reset robot system having measures,
Although noinvasive, but simply healthy volunteer is tested, not used for clinic, the data obtained reference value is limited.
The front bar of this measurement apparatus is connected by the first U-board, pressure transducer with arc, constitutes fracture near-end multiple
Position pressure gauge, is placed in fracture near-end body surface top；Front bar passes through second at U-lag with upper bracket, lower carriage
U-board, pulling force sensor, regulating tank connect, and constitute fracture far-end reset tension measuring device, are enclosed within fracture far-end
Outside body surface, at two, measurement apparatus is all to contact with patient body-surface, will not bring additional injury to patient.Meanwhile, originally
The measurement apparatus of invention, the vertical connecting plate in upper bracket both sides can move in regulating tank, to adapt to different building shape patient,
And the signal pickup assembly (including capture card, wireless transport module) of the present invention is positioned in rear bar, can Real-time Collection
Mechanical information in reseting procedure also transmits to PC, in case the later stage processes.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the assembling schematic diagram in the present invention.
Fig. 3 is the front bar schematic diagram in the present invention.
Fig. 4 is the application example figure in the present invention.
Figure has: front bar 1, rear bar 2, arc 3, upper bracket 4, lower carriage 5, regulating tank the 6, first U-shaped
Plate the 7, second U-board 8, pulling force sensor 9, pressure transducer 10, front bolt 15, rear bolt 16, end cap
17, holding screw 18 and sunk screw 19.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, describe technical scheme in detail.
Fig. 1 is noinvasive human body long bone fracture closed reduction force measuring device structure chart of the present invention, including front bar 1, after
Bar 2, arc 3, upper bracket 4, lower carriage 5, regulating tank the 6, first U-board the 7, second U-board 8, draw
Force transducer 9, pressure transducer 10, front bolt 15, rear bolt 16, end cap 17, holding screw 18 and countersunk head spiral shell
Nail 19.Front bar 1 includes U-lag 101, front through hole 102 and the external screw thread 103 being equally spaced, and has on the downside of front bar 1
Groove 104, can imbed the holding wire of pressure transducer 10；Rear bar 2 hollow, power supply, signals collecting can be placed in the inside
Card, wireless transport module, one end has female thread 202 to coordinate with the external screw thread 103 of front bar 1, and the other end is handle 201,
Available end cap 17 seals；There is the first boss 301 on arc 3, the first boss 301 has preceding thread hole 302；On
Being provided with the second boss 401 on the upside of support 4, the second boss 401 has rear thread hole 402, upper bracket 4 both sides are erected
Direct-connected fishplate bar has the upper tapped through hole 403 being equally spaced；The vertical connecting plate in lower carriage 5 both sides has the through hole being equally spaced
501；Be equally spaced on regulating tank 6 lower tapped through hole 601.
Fig. 2 is noinvasive human body long bone fracture closed reduction force measuring device assembling relationship figure: front bar 1 is at front through hole 102
Place is connected with front bolt 15 with the first U-board 7；Arc 3 is by the preceding thread hole 302 on the first boss 301
Threaded with pressure transducer 10；Front bar 1 is with arc 3 by the first U-board 7, pressure transducer 10 even
Connect, constitute fracture near-end reset pressure gauge；Front bar 1 is hinged with the second U-board 8 at U-lag 101；
Upper bracket 4 is threadeded with pulling force sensor 9 by the rear thread hole 402 on the second boss 401；Lower carriage 5 exists
Fixed by sunk screw 19 with regulating tank 6 at through hole 501；Front bar 1 U-lag 101 and upper bracket 4, under
Support 5 is connected by the second U-board 8, pulling force sensor 9, regulating tank 6, constitutes fracture far-end reset pulling force and surveys
Amount device.
Fig. 4 is noinvasive human body long bone fracture closed reduction force measuring device specifically should in fracture of shaft of femur resets
With: first information acquisition card, wireless transport module, battery are loaded in rear bar 2 before experiment test, and with front bar 1 spiral shell
Stricture of vagina connects；Then at the front through hole 102 of front bar 1, it is sequentially connected with the first U-board 7, pressure transducer 10, arc
Plate 3, and be sequentially connected with at the U-lag 101 of front bar 1 second U-board 8, pulling force sensor 9, upper bracket 4,
Regulating tank 6, lower carriage 5, wherein lower carriage 5 is fixed, before completing measurement apparatus with regulating tank 6 sunk screw 19
Phase assembly working；Patient is placed on extension table, and Ipsilateral foot is fixed at extension table sole, carry out preoperative respectively
Item checks work；Fully draw to the fracture site along the displacement of femur long axis direction overlap by CT image traction sole
Open；Arc 3 is placed near end of thighbone body surface top, distal femur be enclosed within upper bracket 4 and lower carriage 5 composition
In frame；The vertical connecting plate in upper bracket 4 both sides can move up and down in regulating tank 6, regulates support according to patient size big
Little fix to behind appropriate location with holding screw 18；By adjust after the bolt 16 position in U-lag 101, with
Ensure that the distance between each pressure stress point is identical, and be equally spaced in fracture seam both sides；Doctor is at reseting procedure
In one hold handle 201 and up lift, another hands pins front through hole 102 end of front bar 1, until femur is far and near
End alignment；In reseting procedure, information acquisition card gathers pulling force sensor 9, the mechanical information of pressure transducer 10,
And be transferred to PC by wireless transport module and carry out later stage process；Whole reseting procedure is under C arm machine 21 monitors
Complete, doctor holds handle 201 and resets, it is to avoid X-ray direct irradiation.
Above example is only to be further elaborated with the present invention program, after having read the embodiment of the present invention,
Under the premise without departing from the principles of the invention, various to the claims in the present invention wait similar shape to those of ordinary skill in the art
Technical scheme after the amendment of formula and replacement, belongs to the protection domain that the present patent application claim is limited.
Claims (6)
1. a noinvasive human body long bone fracture closed reduction force measuring device, it is characterized in that, this measurement apparatus includes front bar (1), is arranged on fracture near-end reset the pressure measuring assemblies rear bar (2) being connected with front bar (1) other end and the fracture far-end reset tension measurement assembly being connected and being positioned at front bar (1) lower section in the middle part of front bar (1) of described front bar (1) one end；
Described fracture near-end reset pressure measuring assemblies includes being sequentially connected with first U-board (7) of setting, pressure transducer (10) and arc (3) from top to bottom, the top of described first U-board (7) is hinged with front bar (1) one end, the arc opening of described arc (3) is downward, and arc (3) installs the bottom surface being connected to pressure transducer (10) by the first boss (301) that upper side is arranged；
Described fracture far-end reset tension measurement assembly includes the second U-board (8) being sequentially connected with setting from top to bottom, pulling force sensor (9), upper bracket (4) and lower carriage (5), and two regulating tanks (6) being arranged on lower carriage (5), described upper bracket (4) and lower carriage (5) are U-shaped hatch frame, both are connected as an integral support by opening relatively, said two regulating tank (6) is symmetricly set on two vertical connecting plate upper ends of lower carriage (5), the vertical connecting plate of upper bracket (4) inserts regulating tank (6) and fixes with holding screw (18), the bottom surface being connected to pulling force sensor (9) is installed in upper end by the second boss (401) that upper side is arranged；The upside of described front bar (1) is provided with the U-lag (101) being equally spaced, and the upper end of described second U-board (8) is bolted to connection in U-lag (101).
2. according to the noinvasive human body long bone fracture closed reduction force measuring device described in claim 1, it is characterised in that the downside of described front bar (1) is provided with the groove (104) for placement force sensor (10) holding wire.
3. according to the noinvasive human body long bone fracture closed reduction force measuring device described in claim 1, it is characterised in that one end of described rear bar (2) is connected with front bar (1) by screw thread, and the other end is provided with handle (201).
4. according to the noinvasive human body long bone fracture closed reduction force measuring device described in claim 1,2 or 3, it is characterized in that, the lower end of described upper bracket (4) can move up and down adjustment in regulating tank (6), and fixes with holding screw (18) after being adjusted in place；The upper end of described second U-board (8) can move axially adjustment in front bar (1), and is bolted to connection after being adjusted in place in U-lag (101).
5. according to the noinvasive human body long bone fracture closed reduction force measuring device described in claim 1,2 or 3, it is characterized in that, two vertical connecting plates of described lower carriage (5) are provided with the through hole (501) of vertical direction equidistant arrangement, and described regulating tank (6) is fixed on through hole (501) place of lower carriage (5) upper end by sunk screw (19).
6. according to the noinvasive human body long bone fracture closed reduction force measuring device described in claim 1,2 or 3, it is characterised in that two vertical connecting plates of described upper bracket (4) are provided with the upper tapped through hole (403) of vertical direction equidistant arrangement.
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| CN201410591157.6A CN104287749B (en) | 2014-10-29 | 2014-10-29 | A kind of noinvasive human body long bone fracture closed reduction force measuring device |
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| CN201410591157.6A CN104287749B (en) | 2014-10-29 | 2014-10-29 | A kind of noinvasive human body long bone fracture closed reduction force measuring device |
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| CN104287749A CN104287749A (en) | 2015-01-21 |
| CN104287749B true CN104287749B (en) | 2016-08-24 |
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| CN106214243B (en) * | 2016-07-26 | 2018-09-28 | 周香竹 | A kind of orthopaedics guiding resetting apparatus |
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