CN108742739B - Special auxiliary instrument for exposing hip joint replacement operation incision and using method thereof - Google Patents
Special auxiliary instrument for exposing hip joint replacement operation incision and using method thereof Download PDFInfo
- Publication number
- CN108742739B CN108742739B CN201810833948.3A CN201810833948A CN108742739B CN 108742739 B CN108742739 B CN 108742739B CN 201810833948 A CN201810833948 A CN 201810833948A CN 108742739 B CN108742739 B CN 108742739B
- Authority
- CN
- China
- Prior art keywords
- magnetic field
- drag hook
- magnetic
- fixing frame
- displacement sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
-
- 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
- A61B90/06—Measuring instruments not otherwise provided for
Abstract
The invention belongs to the technical field of medical instruments and discloses a special instrument for exposing an incision in a hip joint replacement operation and a using method thereof. The tail part of the fixing bolt is provided with a drag hook fixer. The regulator is arranged between the first fixing frame and the second fixing frame. The welding has the buckle on the drag hook fixer inner wall, and the bottom welding has the solid fixed ring in bottom, and the welding has compression spring on the solid fixed ring in bottom, and compression spring's the other end welding has the solid fixed ring in top. The special auxiliary instrument for exposing the hip joint replacement operation incision avoids three persons from pulling the draw hook at the same time, reduces the waste of human resources caused by the pulling of the draw hook by a plurality of persons, and brings convenience to doctors.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a special instrument for assisting exposure of a hip joint replacement operation incision and a using method thereof.
Background
The hip joint replacement is also called artificial hip joint replacement, is to fix an artificial prosthesis comprising a femur part and an acetabulum part on normal bone by using bone cement and screws to replace a diseased joint and reconstruct the normal function of the hip joint of a patient, and is a mature and reliable treatment means. At present, two pulling hooks for exposing the acetabulum are needed for completely exposing the acetabulum, but three people are needed to pull the acetabulum all the time, so that the labor cost is increased, the operation is inconvenient, and the operation difficulty is increased. In order to completely expose the acetabulum, two draw hooks for exposing the acetabulum are needed, the elastic force of a spring on a draw hook fixer cannot be controlled, the patient is easily injured due to too large tension, and the operation requirement cannot be met due to too small tension. The controller has complicated control procedures on the spring, inaccurate detection on the elasticity of the spring and larger detection error. The displacement sensor of spring detects accurately inadequately, and when the corresponding numerical value of controller input, the corresponding displacement error that produces is great, the demand that can't accurate satisfy the operation.
In summary, the problems of the prior art are as follows:
(1) in order to completely expose the acetabulum, two draw hooks for exposing the acetabulum are needed, the elastic force of a spring on a draw hook fixer cannot be controlled, the patient is easily injured due to overlarge tension, and the operation requirement cannot be met due to undersize tension.
(2) The controller has complicated control procedures on the spring, inaccurate detection on the elasticity of the spring and larger detection error.
(3) The displacement sensor of spring detects accurately inadequately, and when the corresponding numerical value of controller input, the corresponding displacement error that produces is great, the demand that can't accurate satisfy the operation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a special instrument for assisting exposure of a hip joint replacement operation incision and a using method thereof.
The invention is realized in such a way that the application method of the special instrument for exposing the hip joint replacement operation incision comprises the following steps:
(1) the first fixing frame and the second fixing frame are adjusted in length through the regulator until the hip joint is just accommodated under the hip joint to be cut; after the hip joint is cut, the draw hook is hung on the draw hook fixer;
(2) the drag hook is fixed with the middle part at the solid fixed ring of bottom in the drag hook fixer, and the top is fixed at the solid fixed ring of top, pushes down the drag hook, drives the compression spring compression, until blocking to the buckle in, has a plurality of buckles, realizes the fixing to the different pulling forces of drag hook, to the axial positioning of drag hook, makes the stable fixing of drag hook show out acetabulum completely in hip joint department.
The mass point model of the spring tension detection is as follows: for the spring mass model, assume mass MiAnd MjThe two are connected by a spring without mass; when particle MiIs subjected to MjAccording to newton's second law:
wherein: m is mass point MiThe inertial mass of (a); x denotes particle MiX ∈ R3；fextRepresenting particle MiAn applied force; f. ofintRepresenting particle MiThe internal force exerted;
the controller of the spring adopts an improved PSO algorithm, in the basic PSO algorithm, w enables particles to keep moving inertia and has the tendency of expanding a search space, when w is larger, the moving speed of the particles is higher, the search area of the particles is larger, the particles can be more quickly close to the global optimal particles, and when w is smaller, the moving speed of the particles is slow, and the particles can be finely searched in a local range; w adopts dynamic adjustment;
wherein wmaxAnd wminRepresenting the maximum and minimum values of the inertial weight, t representing the number of iterations, ItermaxRepresenting the maximum number of iterations;
the displacement sensor at the spring adopts a displacement sensor, and the detection method of the displacement sensor comprises the following steps: when torsional wave propagates to the detection coil, torsional wave signal leads to wave guide silk inside magnetic flux to change under the effect of magnetostriction inverse effect, and according to Faraday's law of electromagnetic induction, the detection voltage is:
in the formula: n is the number of turns of the detection coil, S is the area of the single-turn coil, phi is magnetic flux, B is magnetic induction intensity, and t is time, wherein the magnetic induction intensity B is related to a circumferential magnetic field generated by pulse current and an axial magnetic field generated by a magnet, and is expressed as follows according to the relevant theory of magnetic field and material mechanics:
in the formula: λ is the rate of change of the magnetic field due to the magneto-angular strain; mu.sIs the relative magnetic permeability of the magnetostrictive material, N is the number of turns of the detection coil, S is the coil sectional area, R is the radius of the waveguide wire, phimIs axial magnetic flux, v is Poisson's ratio, Hi(R) is the excitation magnetic field at the surface of the waveguide filament, HmAn axial magnetic field; i isaThe output voltage of the displacement sensor is determined by the magnetic field change rate, the relative permeability, the radius of the waveguide wire, the length, the Young modulus, the Poisson ratio, the density, the polar inertia moment, the number of turns of a detection coil, the cross-sectional area, the magnetic flux axial component, the bias magnetic field and the excitation magnetic field parameters caused by the angular strain of the magnetostrictive waveguide wire.
Furthermore, a displacement sensor and a controller are welded on one side of the compression spring.
Further, according to faraday's law of electromagnetic induction, the output voltage model of the displacement sensor expresses the induced electromotive force e as:
in the formula, N is the number of turns of the detection coil, S is the area of the single-turn coil, phi is magnetic flux, B is magnetic induction intensity, and t is time;
the helical magnetic field H (r) is generated by an excitation magnetic field Hi(r)) and a bias magnetic field HmGenerated by coupling; the position function of the radius r of the waveguide wire is distributed along the radial direction of the waveguide wire; the direction of the helical magnetic field is determined by the angle between the bias magnetic field and the helical magnetic field, and is expressed as:
the transformation of mechanical and magnetic energy elements during propagation is represented as:
in the formula, HcThe magnetic field is generated by the change of magnetic induction intensity and mechanical stress in the waveguide wire under the action of the magnetostriction reverse effect; mu.srIs relative magnetic permeability;
is an angular strain; λ is the rate of change of the magnetic field due to angular strain; magnetic field intensity HcTo zero, the mechanical stress affecting the magnetic induction is expressed as:
the angular strain of the waveguide wire can be expressed in terms of the torque T experienced by the waveguide wire:
wherein, G is the shear modulus of the material, G ═ E/2(I + v); e is Young's modulus and v is Poisson's ratio; i isaIs the polar moment of inertia of the cross section;
the torque on the waveguide wire is:
in the formula, phimL and LnAxial magnetic flux, waveguide wire length and detection coil length;
excitation magnetic field Hi(R) instead of the excitation field Hi(r)；
The time taken for the stress wave to pass through the detection coil is t; the wave velocity of the stress wave is
The above formula is an output voltage equation of the displacement sensor under the action of the spiral magnetic field, and the tested position is determined according to the time of voltage signal transmission.
Another object of the present invention is to provide a special instrument for assisting exposure of a hip replacement incision, which applies a method of using the special instrument for assisting exposure of a hip replacement incision, the special instrument for assisting exposure of a hip replacement incision comprising: the device comprises a first fixing frame, a second fixing frame, a drag hook fixer, a fixing bolt, an adjuster, a buckle, a fixing bolt hole, a compression spring, a bottom fixing ring, a top fixing ring, a displacement sensor and a controller;
the second fixing frame and the first fixing frame are fixed together through fixing bolts. The drag hook fixer is installed to fixing bolt's afterbody, and the regulator is installed to the centre of first mount and second mount, and the welding has a plurality of buckles on the drag hook fixer inner wall, and the bottom welding has the solid fixed ring in bottom, and the last welding of the solid fixed ring in bottom has compression spring, and compression spring's the other end welding has the solid fixed ring in top, and compression spring's one side welding has displacement sensor and controller, is connected with compression spring through the wire.
The invention has the advantages and positive effects that:
(1) the special auxiliary instrument for exposing the hip joint replacement operation incision stably fixes the Kirschner wire through the draw hook fixer, the first fixing frame and the second fixing frame, so that the draw hook can be conveniently hung in bone above the outer part of the acetabulum, and the pulling force required by the operation can be accurately achieved through the spring.
(2) The controller adopts the improved PSO algorithm to more accurately detect the tension and displacement data of the spring, and the condition that the errors of the input data, the actual displacement and the tension are large to influence the operation is avoided.
(3) The displacement sensor adopts the displacement sensor, can cooperate with the controller more accurately, and the data that detect are more accurate to the condition that the operation needs is reached to the highest standard.
(4) The displacement sensor of the invention shows that the output voltage of the displacement sensor is determined by parameters such as magnetic field change rate, relative permeability, waveguide wire radius, length, Young modulus, Poisson ratio, density, polar inertia moment, detecting coil turn number, cross sectional area, magnetic flux axial component, bias magnetic field, excitation magnetic field and the like caused by the angular strain of the magnetostrictive waveguide wire. Therefore, the factors influencing the output voltage of the displacement sensor are many and complex. When the material of the waveguide wire and the structure of the detection coil are determined, the magnitude of the induced voltage mainly depends on the characteristics of the spiral magnetic field.
Drawings
FIG. 1 is a schematic structural diagram of an auxiliary instrument for exposing an incision in hip replacement surgery provided by an embodiment of the invention;
FIG. 2 is a schematic diagram of the internal structure of a hook fixer of an auxiliary special instrument for exposing an incision in hip replacement surgery provided by an embodiment of the invention;
in the figure: 1. a first fixing frame; 2. a second fixing frame; 3. a hook fixer; 4. fixing the bolt; 5. a regulator; 6. buckling; 7. fixing bolt holes; 8. a compression spring; 9. a bottom fixing ring; 10. a top securing ring; 11. a displacement sensor; 12. and a controller.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 2, the instrument dedicated for exposing and assisting the hip replacement surgery incision provided by the embodiment of the invention comprises: the device comprises a first fixing frame 1, a second fixing frame 2, a drag hook fixer 3, a fixing bolt 4, an adjuster 5, a buckle 6, a fixing bolt hole 7, a compression spring 8, a bottom fixing ring 9, a top fixing ring 10, a displacement sensor 11 and a controller 12.
The second fixing frame 2 and the first fixing frame 1 are fixed together through fixing bolts 4. Drag hook fixer 3 is installed to fixing bolt 4's afterbody, and regulator 5 is installed to the centre of first mount 1 and second mount 2, and the welding has a plurality of buckles 6 on the 3 inner walls of drag hook fixer, and the bottom welding has the solid fixed ring of bottom 9, and the welding has compression spring 8 on the solid fixed ring of bottom 9, and compression spring 8's other end welding has the solid fixed ring of top 10, and one side welding of compression spring 8 has displacement sensor 11 and controller 12, is connected with compression spring 8 through the wire.
The working principle of the invention is as follows: during operation, the device is placed under a hip joint to be cut, and the lengths of the first fixing frame 1 and the second fixing frame 2 are adjusted through the regulator 5 until the hip joint is just accommodated. The hip joint is cut, the drag hook is connected to the drag hook fixer 3 in a hanging mode, the drag hook is fixed in the middle of the drag hook fixer 3 through the bottom fixing ring 9, the drag hook is fixed to the top fixing ring 10, the drag hook is pressed downwards to drive the compression spring 8 to compress until the drag hook is clamped into the buckle 6, the plurality of buckles are arranged, the drag hook can be fixed under different tension forces, the drag hook is axially positioned, and the drag hook is stably fixed to the hip joint to completely expose the acetabulum.
The mass point model of the spring tension detection is as follows: for the spring mass model, assume mass MiAnd MjThe two are connected by a spring without mass; when particle MiIs subjected to MjAccording to newton's second law:
wherein: m is mass point MiThe inertial mass of (a); x denotes particle MiX ∈ R3；fextRepresenting particle MiAn applied force; f. ofintRepresenting particle MiThe internal force exerted;
the controller of the spring adopts an improved PSO algorithm, in the basic PSO algorithm, w enables particles to keep moving inertia and has the tendency of expanding a search space, when w is larger, the moving speed of the particles is higher, the search area of the particles is larger, the particles can be more quickly close to the global optimal particles, and when w is smaller, the moving speed of the particles is slow, and the particles can be finely searched in a local range; w adopts dynamic adjustment;
wherein wmaxAnd wminRepresenting the maximum and minimum values of the inertial weight, t representing the number of iterations, ItermaxRepresenting the maximum number of iterations;
the displacement sensor at the spring adopts a displacement sensor, and the detection method of the displacement sensor comprises the following steps: when torsional wave propagates to the detection coil, torsional wave signal leads to wave guide silk inside magnetic flux to change under the effect of magnetostriction inverse effect, and according to Faraday's law of electromagnetic induction, the detection voltage is:
in the formula: n is the number of turns of the detection coil, S is the area of the single-turn coil, phi is magnetic flux, B is magnetic induction intensity, and t is time, wherein the magnetic induction intensity B is related to a circumferential magnetic field generated by pulse current and an axial magnetic field generated by a magnet, and is expressed as follows according to the relevant theory of magnetic field and material mechanics:
in the formula: λ is the rate of change of the magnetic field due to the magneto-angular strain; mu.srIs the relative magnetic permeability of the magnetostrictive material, N is the number of turns of the detection coil, S is the coil sectional area, R is the radius of the waveguide wire, phimIs axial magnetic flux, v is Poisson's ratio, Hi(R) is the excitation magnetic field at the surface of the waveguide filament, HmAn axial magnetic field; i isaIs the polar moment of inertia of the cross-section, E is the Young's modulus, ρ is the waveguideThe density of the wire and the output voltage of the displacement sensor are determined by the parameters of the magnetic field change rate, the relative permeability, the radius of the waveguide wire, the length, the Young modulus, the Poisson ratio, the density, the polar inertia moment, the number of turns of the detection coil, the cross-sectional area, the magnetic flux axial component, the bias magnetic field and the excitation magnetic field caused by the angular strain of the magnetostrictive waveguide wire.
Further, according to faraday's law of electromagnetic induction, the output voltage model of the displacement sensor expresses the induced electromotive force e as:
in the formula, N is the number of turns of the detection coil, S is the area of the single-turn coil, phi is magnetic flux, B is magnetic induction intensity, and t is time;
the helical magnetic field H (r) is generated by an excitation magnetic field Hi(r) and a bias magnetic field HmGenerated by coupling; the position function of the radius r of the waveguide wire is distributed along the radial direction of the waveguide wire; the direction of the helical magnetic field is determined by the angle between the bias magnetic field and the helical magnetic field, and is expressed as:
the transformation of mechanical and magnetic energy elements during propagation is represented as:
in the formula, HcThe magnetic field is generated by the change of magnetic induction intensity and mechanical stress in the waveguide wire under the action of the magnetostriction reverse effect; mu.srIs relative magnetic permeability;
is an angular strain; λ is the rate of change of the magnetic field due to angular strain; magnetic field intensity HcTo zero, the mechanical stress affecting the magnetic induction is expressed as:
the angular strain of the waveguide wire can be expressed in terms of the torque T experienced by the waveguide wire:
wherein G is the shear modulus of the material, G ═ E/2(1+ v); e is Young's modulus and v is Poisson's ratio; i isaIs the polar moment of inertia of the cross section;
the torque on the waveguide wire is:
in the formula, phimL and LnAxial magnetic flux, waveguide wire length and detection coil length;
excitation magnetic field Hi(R) instead of the excitation field Hi(r)；
The time taken for the stress wave to pass through the detection coil is t; the wave velocity of the stress wave is
The above formula is an output voltage equation of the displacement sensor under the action of the spiral magnetic field, and the tested position is determined according to the time of voltage signal transmission.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (2)
1. A special instrument for assisting exposure of a hip replacement surgery incision, comprising: the device comprises a first fixing frame, a second fixing frame, a drag hook fixer, a fixing bolt, an adjuster, a buckle, a fixing bolt hole, a compression spring, a bottom fixing ring, a top fixing ring, a displacement sensor and a controller;
the second fixing frame is fixed with the first fixing frame through a fixing bolt; a drag hook fixer is installed at the tail part of the fixing bolt, an adjuster is installed between the first fixing frame and the second fixing frame, a plurality of buckles are welded on the inner wall of the drag hook fixer, a bottom fixing ring is welded at the bottom, a compression spring is welded on the bottom fixing ring, a top fixing ring is welded at the other end of the compression spring, a displacement sensor and a controller are welded on one side of the compression spring, and the displacement sensor and the controller are connected with the compression spring through a wire;
the auxiliary special instrument for exposing the hip replacement operation incision comprises:
(1) the first fixing frame and the second fixing frame are adjusted in length through the regulator until the hip joint is just accommodated under the hip joint to be cut; after the hip joint is cut, the draw hook is hung on the draw hook fixer;
(2) the drag hook fixes the middle part in the drag hook fixer at the bottom fixing ring, fixes the middle part at the top fixing ring at the upper part, presses down the drag hook to drive the compression spring to compress until the drag hook is clamped in the buckle, and has a plurality of buckles to realize the fixation of the drag hook with different pulling forces and axially position the drag hook, so that the drag hook is stably fixed at the hip joint to completely expose the acetabulum;
the mass point model of the spring tension detection is as follows: for the spring mass model, assume mass MiAnd MjThe two are connected by a spring without mass; when particle MiIs subjected to MjAccording to newton's second law:
wherein: m is mass point MiThe inertial mass of (a); x denotes particle MiX ∈ R3；fextRepresenting particle MiAn applied force; f. ofintRepresenting particle MiThe internal force exerted;
the controller of the spring adopts an improved PSO algorithm, in the basic PSO algorithm, w enables particles to keep moving inertia and has the tendency of expanding a search space, when w is larger, the moving speed of the particles is higher, the search area of the particles is larger, the particles can be more quickly close to the global optimal particles, and when w is smaller, the moving speed of the particles is slow, and the particles can be finely searched in a local range; w adopts dynamic adjustment;
wherein wmaxAnd wminRepresenting the maximum and minimum values of the inertial weight, t representing the number of iterations, ItermaxRepresenting the maximum number of iterations;
the displacement sensor at the spring comprises a detection method as follows: when torsional wave propagates to the detection coil, torsional wave signal leads to wave guide silk inside magnetic flux to change under the effect of magnetostriction inverse effect, and according to Faraday's law of electromagnetic induction, the detection voltage is:
in the formula: n is the number of turns of the detection coil, S is the area of the single-turn coil, phi is magnetic flux, B is magnetic induction intensity, and t is time, wherein the magnetic induction intensity B is related to a circumferential magnetic field generated by pulse current and an axial magnetic field generated by a magnet, and is expressed as follows according to the relevant theory of magnetic field and material mechanics:
in the formula: λ is the rate of change of the magnetic field due to the magneto-angular strain; mu.srIs the relative magnetic permeability of the magnetostrictive material, N is the number of turns of the detection coil, S is the coil cross-sectional area, R is the radius of the waveguide wire, and phimFor axial flux, v is Poisson's ratio, Hi(R) is the excitation magnetic field at the surface of the waveguide filament, HmAn axial magnetic field; i isaThe output voltage of the displacement sensor is determined by the magnetic field change rate, the relative permeability, the radius of the waveguide wire, the length, the Young modulus, the Poisson ratio, the density, the polar inertia moment, the number of turns of a detection coil, the cross-sectional area, the magnetic flux axial component, the bias magnetic field and the excitation magnetic field parameters caused by the angular strain of the magnetostrictive waveguide wire.
2. The special instrument for assisting in exposing the incision in hip replacement surgery according to claim 1, wherein the output voltage model of the displacement sensor is expressed as an induced electromotive force e according to faraday's law of electromagnetic induction:
in the formula, N is the number of turns of the detection coil, S is the area of the single-turn coil, phi is magnetic flux, B is magnetic induction intensity, and t is time;
the helical magnetic field H (r) is generated by an excitation magnetic field Hi(r) and a bias magnetic field HmGenerated by coupling; the position function of the radius r of the waveguide wire is distributed along the radial direction of the waveguide wire; the direction of the helical magnetic field is determined by the angle between the bias magnetic field and the helical magnetic field, and is expressed as:
the transition between mechanical and magnetic energy during propagation is expressed as:
in the formula, HcThe magnetic field is generated by the change of magnetic induction intensity and mechanical stress in the waveguide wire under the action of the magnetostriction reverse effect; mu.srIs relative magnetic permeability;
is an angular strain; λ is the rate of change of the magnetic field due to angular strain; magnetic field intensity HcTo zero, the mechanical stress affecting the magnetic induction is expressed as:
the angular strain of the waveguide wire can be expressed in terms of the torque T experienced by the waveguide wire:
wherein G is the shear modulus of the material, G ═ E/2(l + v); e is Young's modulus and v is Poisson's ratio; i isaIs the polar moment of inertia of the cross section; the torque on the waveguide wire is:
in the formula, phimL and LnAxial magnetic flux, waveguide wire length and detection coil length;
excitation magnetic field Hi(R) instead of the excitation field Hi(r)；
The time taken for the stress wave to pass through the detection coil is t; the wave velocity of the stress wave is
The above formula is an output voltage equation of the displacement sensor under the action of the spiral magnetic field, and the tested position is determined according to the time of voltage signal transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810833948.3A CN108742739B (en) | 2018-07-26 | 2018-07-26 | Special auxiliary instrument for exposing hip joint replacement operation incision and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810833948.3A CN108742739B (en) | 2018-07-26 | 2018-07-26 | Special auxiliary instrument for exposing hip joint replacement operation incision and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108742739A CN108742739A (en) | 2018-11-06 |
| CN108742739B true CN108742739B (en) | 2020-11-17 |
Family
ID=63971343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810833948.3A Active CN108742739B (en) | 2018-07-26 | 2018-07-26 | Special auxiliary instrument for exposing hip joint replacement operation incision and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108742739B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810495A (en) * | 2010-04-12 | 2010-08-25 | 潘海乐 | Artificial hip joint replacing-retracting-exposing positioner |
| CN103431879A (en) * | 2013-07-31 | 2013-12-11 | 山西医科大学 | Soft palate traction device for Davis mouth gag |
| CN204192682U (en) * | 2014-11-17 | 2015-03-11 | 丽水市人民医院 | A kind of hip joint self-retractor structure |
| CN104605902A (en) * | 2015-01-24 | 2015-05-13 | 张传峰 | Chest opening device |
| CN105249999A (en) * | 2014-04-09 | 2016-01-20 | 陈浩 | Automatic surgery retractor for surgical operation |
| CN205924081U (en) * | 2016-02-03 | 2017-02-08 | 河南省洛阳正骨医院河南省骨科医院 | Hip joint replacement surgery incision shows supplementary special apparatus |
| CN207084833U (en) * | 2017-01-17 | 2018-03-13 | 上海长海医院 | A kind of hip replacement surgery dilator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203354583U (en) * | 2013-06-03 | 2013-12-25 | 周承胜 | Operation spreader for general surgery department |
| CN203290945U (en) * | 2013-06-17 | 2013-11-20 | 袁健东 | Automatic retractor device for hip joint operation exposure |
| CN204971390U (en) * | 2015-07-30 | 2016-01-20 | 齐齐哈尔医学院 | Drag hook is used in medical treatment operation |
| GB201522550D0 (en) * | 2015-12-21 | 2016-02-03 | Smith & Nephew Orthopaedics Ag | Knee arthroplasty |
| CN206151498U (en) * | 2016-07-25 | 2017-05-10 | 黄晓宁 | Muscle retraction device for general surgery operations |
| CN109124708B (en) * | 2016-10-29 | 2021-05-07 | 陕西省人民医院 | Sternum spreader |
| CN106725655A (en) * | 2016-12-09 | 2017-05-31 | 成都迅德科技有限公司 | A kind of abdominal cavity appendix operation opener |
-
2018
- 2018-07-26 CN CN201810833948.3A patent/CN108742739B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810495A (en) * | 2010-04-12 | 2010-08-25 | 潘海乐 | Artificial hip joint replacing-retracting-exposing positioner |
| CN103431879A (en) * | 2013-07-31 | 2013-12-11 | 山西医科大学 | Soft palate traction device for Davis mouth gag |
| CN105249999A (en) * | 2014-04-09 | 2016-01-20 | 陈浩 | Automatic surgery retractor for surgical operation |
| CN204192682U (en) * | 2014-11-17 | 2015-03-11 | 丽水市人民医院 | A kind of hip joint self-retractor structure |
| CN104605902A (en) * | 2015-01-24 | 2015-05-13 | 张传峰 | Chest opening device |
| CN205924081U (en) * | 2016-02-03 | 2017-02-08 | 河南省洛阳正骨医院河南省骨科医院 | Hip joint replacement surgery incision shows supplementary special apparatus |
| CN207084833U (en) * | 2017-01-17 | 2018-03-13 | 上海长海医院 | A kind of hip replacement surgery dilator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108742739A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2693946B1 (en) | Device, system and method for testing and training of pelvic floor musculature | |
| KR100244122B1 (en) | Controlled apparatus for operating transformer and operating apparatus for applying to body portion | |
| US8490488B2 (en) | Edge-detect receiver for orthopedic parameter sensing | |
| Soares et al. | Nonlinear vibrations and instabilities of a stretched hyperelastic annular membrane | |
| Yucesoy et al. | Pre-strained epimuscular connections cause muscular myofascial force transmission to affect properties of synergistic EHL and EDL muscles of the rat | |
| Garrett | Resonant acoustic determination of elastic moduli | |
| CN108742739B (en) | Special auxiliary instrument for exposing hip joint replacement operation incision and using method thereof | |
| WO2012026543A1 (en) | Mre vibration device, vibration system, and vibration method | |
| Nokes et al. | Introduction to medical electronics applications | |
| Chiu et al. | Vibration-based healing assessment of an internally fixated femur | |
| Kang et al. | Characterization of the shock pulse-induced cavitation bubble activities recorded by an optical fiber hydrophone | |
| AU2018386035A1 (en) | Apparatus, system, and method for tissue regeneration | |
| JP2000210268A (en) | Mri unit operation method and mri unit | |
| Lacey et al. | Design of MRI-compatible hemiparesis rehabilitation device | |
| Perkins et al. | Theoretical and experimental stability of two translating cable equilibria | |
| US20200205730A1 (en) | Implant installation strength evaluation method, implant installation strength evaluation device, and program | |
| Aalto | A low-order glottis model with nonturbulent flow and mechanically coupled acoustic load | |
| JP2024509771A (en) | Adjustable implants, systems, and methods | |
| Bowthorpe et al. | Development of a robotic system to enable beating-heart surgery | |
| US20200022652A1 (en) | A probe | |
| Swain et al. | A dynamic analytical model for impact evaluation of percutaneous implants | |
| Shin Chia et al. | Assessment of dental implantation osseointegration through electromagnetic actuation and detection | |
| US20190336071A1 (en) | System and method for noninvasive evaluation of prosthesis loosening, and/or fracture healing | |
| US20230052280A1 (en) | Tissue Load Sensor with Reduced Calibration Requirements | |
| Jones et al. | Simulation of Impact Test for Determining “Health” of Percutaneous Bone Anchored Implants |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |