CN114209387A - Osteotomy guide plate assembly - Google Patents
Osteotomy guide plate assembly Download PDFInfo
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- CN114209387A CN114209387A CN202210074258.0A CN202210074258A CN114209387A CN 114209387 A CN114209387 A CN 114209387A CN 202210074258 A CN202210074258 A CN 202210074258A CN 114209387 A CN114209387 A CN 114209387A
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- guide plate
- bone
- positioning
- guide
- bone cutting
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 169
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 28
- 210000002303 tibia Anatomy 0.000 abstract description 6
- 230000036541 health Effects 0.000 abstract description 2
- 210000003414 extremity Anatomy 0.000 abstract 1
- 230000008569 process Effects 0.000 description 24
- 238000009434 installation Methods 0.000 description 10
- 230000007480 spreading Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 230000036244 malformation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002271 resection Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/15—Guides therefor
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking devices
-
- 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
- A61B90/08—Accessories or related features not otherwise provided for
-
- 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
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Abstract
The application provides a cut bone baffle subassembly includes: the bone cutting guide plate comprises a guide plate main body and a positioning guide plate connected with the guide plate main body, wherein the guide plate main body is provided with a horizontal bone cutting groove and an upward bone cutting groove, and the positioning guide plate is provided with a positioning part which is used for contacting with the peripheral bone surface of a structural positioning point of a bone to be cut; and the opening block is used for supporting the bone in the osteotomy gap after the bone is cut. Through the technical scheme of this application, can improve the accuracy of cutting the bone location and the accuracy of low limbs target force line in the high-order osteotomy technique of shin bone to improve operation doctor and patient's health safety nature.
Description
Technical Field
The application relates to a cut bone conduction board technical field particularly, relates to a cut bone conduction board subassembly.
Background
At present, the existing determination mode of the high-position tibial osteotomy for the osteotomy position is usually that an operator visually determines the osteotomy position firstly, and then measures and adjusts repeatedly through means such as fluoroscopy, and the like.
Disclosure of Invention
An object of the embodiment of the application is to provide a bone cutting guide plate assembly for improving the accuracy of bone cutting positioning in the high tibial osteotomy technology and improving the health safety of an operator and a patient.
The embodiment of the application provides a cut bone conduction board subassembly includes: the bone cutting guide plate comprises a guide plate main body and a positioning guide plate connected with the guide plate main body, wherein the guide plate main body is provided with a horizontal bone cutting groove and an upward bone cutting groove, and the positioning guide plate is provided with a positioning part which is used for contacting with the peripheral bone surface of a structural positioning point of a bone to be cut; and the opening block is used for supporting the bone in the osteotomy gap after the bone is cut.
In the implementation process, the bone cutting guide plate comprises a guide plate main body and a positioning guide plate, the positioning guide plate is used for being attached to the bone to be cut, a positioning part is arranged on the positioning guide plate and is used for being in contact with the peripheral bone surface of the structural positioning point of the bone to be cut, the positioning effect on the bone cutting guide plate is achieved, a horizontal bone cutting groove and an uplink bone cutting groove are formed in the guide plate main body, after the guide plate main body is attached to the bone to be cut, the horizontal bone cutting groove is used for guiding a swing saw or a bone knife to cut the bone in the horizontal direction, the uplink bone cutting groove is used for guiding the swing saw or the bone knife to cut the bone in the oblique upper direction relative to the horizontal bone cutting groove, and therefore the adjustment of the position angle of the cut bone is achieved. The structure positioning point of the bone to be cut is a special characteristic point position on the tibia, each tibia is provided with the characteristic point position, the characteristic point position is used for being in contact positioning with a positioning part (such as a positioning ring or a positioning groove) on a positioning guide plate, the accuracy of installation and positioning of the bone cutting guide plate can be effectively guaranteed, the bone cutting guide plate is rapidly installed on the tibia through a guide pin reserved in a guide pin hole, and a position to be cut can be limited by a horizontal bone cutting groove and an upward bone cutting groove in a guide plate main body, so that the positioning accuracy of the bone cutting position can be guaranteed.
In one possible implementation, the fence body is L-shaped, including: a first guide plate defining the horizontal osteotomy slot; one end of the second guide plate is connected with the first guide plate, the other end of the second guide plate extends in a direction away from the first guide plate in an inclined mode, and the length direction of the second guide plate is limited with the upward osteotomy groove; wherein the positioning guide plate is connected with the second guide plate.
In the implementation process, the guide plate main body comprises a first guide plate and a second guide plate, the first guide plate and the second guide plate are L-shaped, and specifically, an included angle between the second guide plate and the first guide plate is an obtuse angle. The horizontal osteotomy groove extends along the length direction of the first guide plate, and the horizontal osteotomy groove penetrates through one end of the first guide plate far away from the second guide plate, so that a saw or a osteotome can be conveniently swung to horizontally cut bones along the horizontal osteotomy groove. Go upward and cut bone groove along the length direction setting of second baffle, and go upward and cut bone groove and link up the one end that first baffle was kept away from to the second baffle, be convenient for pendulum saw or osteotome follow upward and cut bone groove and go upward and cut the bone. Wherein a connecting section of 1cm is arranged between the horizontal osteotomy groove and the upward osteotomy groove. The width of the horizontal osteotomy groove and the upward osteotomy groove is between 1.5mm and 2 mm.
In a possible implementation manner, at least two first guide pin holes are arranged on the first guide plate, and at least two first guide pin holes are arranged above the horizontal osteotome groove at intervals.
In the above-mentioned realization process, through set up two first guide pin holes on first baffle, through pour into the guide pin in two first guide pin holes alright with cutting the bone baffle quick fixation on the skeleton to can confirm out horizontal osteotomy groove and go upward the position of cutting the bone groove, and then can guarantee the positioning accuracy who cuts the bone position.
Specifically, the first guide pin holes are 1mm above the horizontal osteotomy groove and parallel to the horizontal osteotomy seam, the distance between the two first guide pin holes is 1.5 cm-2 cm, and the diameter of each first guide pin hole is 1.5-2.5 mm and penetrates through the guide plate.
In a possible implementation manner, one side of the positioning guide plate, which is far away from the bone to be cut, is provided with a second guide pin hole, and the second guide pin hole is used for driving in a guide pin so as to fix the bone cutting guide plate.
In the above-mentioned realization process, set up the second guide pin hole through deviating from one side of treating the osteotomy head at the location baffle, the position in second guide pin hole is the position of steel sheet locking nail just in time, squeezes into the B guide pin along the second guide pin hole in the art, cuts and remains the B guide pin after accomplishing, is convenient for put into the steel sheet along the second guide pin hole. The second guide pin hole keeps a certain distance with the bone surface of the head to be cut, and plays a role in protecting ligament tissues in the operation. Specifically, second guide pin hole diameter 1.5mm ~ 2.0mm to link up the location baffle, the second guide pin hole sets up on the cylinder that the diameter is 5mm, and cylindrical column height 1cm, the cylinder is on the location baffle deviates from the one side of treating the osteotomy head.
In a possible implementation manner, a pressing block is arranged above the first guide plate and used for pressing and fixing the osteotomy guide plate assembly by a user.
In the implementation process, the pressing block connected with the first guide plate is arranged above the first guide plate, after the bone cutting guide plate is placed, the guide plate is pressed by pressing the pressing block, the guide plate can be completely attached to the bone surface, and the guide pin can be conveniently driven into the first guide pin hole and the second guide pin hole.
Specifically, the pressing block is in a circular arc-shaped hollow structure at the middle part above the first guide plate and is not in contact with the bone surface.
In a possible implementation manner, the positioning portion includes a positioning groove, and the positioning groove is disposed at an end of the positioning guide plate away from the guide plate main body and is used for corresponding to the structural positioning point of the bone to be cut.
In the above-mentioned realization process, location portion is including setting up the constant head tank of keeping away from the one end of baffle main part at the location baffle, the constant head tank with treat the structure setpoint shape adaptation of cutting the bone, be convenient for with treat the peripheral bone face contact of the structure setpoint of cutting the bone to observe through the constant head tank whether the structure setpoint is located the constant head tank, in order to confirm that location portion installs and targets in place, help improving the efficiency of cutting the bone baffle installation and the accuracy of installation.
In a possible implementation manner, the positioning guide plate is an arc-shaped plate, and the arc-shaped plate and the guide plate main body are arranged at intervals.
In the implementation process, the positioning guide plate is of an arc-shaped structure, and a hollow-out structure is formed between the positioning guide plate and the guide plate main body, so that the weight of the bone cutting guide plate is reduced, the contact area between the bone cutting guide plate and the bone surface is reduced, and the soft component is prevented from being stripped as far as possible.
In one possible implementation mode, the positioning guide plate is provided with osteotomy depth prompt numbers; and/or an indication arrow for guiding the placement of the guide plate is arranged on the guide plate main body.
In the implementation process, the osteotomy depth prompt number is a two-digit bulge arranged on the positioning guide plate and deviating from the bone surface, and the number is a multiple of five and is used for prompting the distance of entering along the osteotomy seam during osteotomy.
Through set up the instruction arrow on the baffle main part, the instruction arrow is used for instructing the osteotomy direction, and the direction pendulum saw of being convenient for when the operation is cut the bone along instructing the direction.
In one possible implementation, the spreader block includes: the distraction block main body is matched with the shape of a bone cutting seam of a bone to be cut; the distraction block depth-limiting blocking block is connected with one end of the distraction block and is used for limiting the insertion depth of the distraction block main body when the distraction block main body is inserted into the osteotomy gap; and the handle is connected with the opening block depth limiting blocking block.
In the implementation process, the opening block comprises an opening block main body, an opening block depth limiting stop block and a handle. Wherein, prop open a main part and be used for supporting in cutting the bone seam, prop open a limit and block the piece setting in the rear end that props open the piece for the restriction props the degree of depth that open a main part and insert in cutting the bone seam, the handle setting is strutting a limit and blocks the one end that the piece main part was kept away from to the piece for supply the handheld handle of doctor will prop open a main part and insert in cutting the bone seam.
In one possible implementation, the spreading block is wedge-shaped, or trapezoidal, or flat; and/or an anti-skid structure is arranged on the handle.
In the implementation process, the distraction block is in a wedge-shaped block or a trapezoid or flat shape and the like which are matched with the bone resection seam, so that the distraction block can be better attached to the bone surface, the stability of the support is improved, and meanwhile, the back inclined surface of the malformation of the bone can be adjusted through the inclined surface on the distraction block. The anti-skidding structure can be protruding structure, and the quantity of protruding structure is a plurality of, and the interval sets up for increase doctor's finger and the frictional force between the handle, security when improving the installation of strutting the piece.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a perspective view of a bone cutting guide assembly provided in accordance with some embodiments of the present application;
FIG. 2 is a structural schematic view of another perspective of a bone cutting guide assembly provided in accordance with some embodiments of the present application;
FIG. 3 is a schematic structural view of a spreader block provided in some embodiments of the present application;
FIG. 4 is a perspective view of an installation configuration of a bone cutting guide assembly according to some embodiments of the present application;
FIG. 5 is a schematic view of another perspective mounting arrangement of a bone cutting guide assembly according to some embodiments of the present application;
fig. 6 is a schematic view of an installation structure of a spreader block according to some embodiments of the present disclosure.
Icon: 10. a bone cutting guide plate; 101. a first guide plate; 1011. a horizontal osteotomy groove; 1012. a first guide pin hole; 102. a second guide plate; 1021. ascending a osteotomy groove; 103. positioning the guide plate; 1031. positioning a groove; 1032. a second guide pin hole; 1033. osteotomy depth cue numbers; 104. a pressing block; 20. a distraction block; 201. a spreader block body; 202. the opening block depth limiting blocking block; 203. a handle; 2031. an anti-slip structure; 30. and (4) structural feature points.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 5, an embodiment of the present application provides a bone cutting guide assembly, including: the bone cutting guide plate 10 comprises a guide plate main body and a positioning guide plate 103 connected with the guide plate main body, wherein the guide plate main body is provided with a horizontal bone cutting groove 1011 and an upper bone cutting groove 1021, and the positioning guide plate 103 is provided with a positioning part which is used for contacting with the peripheral bone surface of a structural positioning point 30 of a bone to be cut; a distraction block 20 for supporting within the osteotomy gap after the bone is resected.
In the implementation process, the bone cutting guide plate 10 comprises a guide plate main body and a positioning guide plate 103, the positioning guide plate 103 is used for being attached to a bone to be cut, a positioning part is arranged on the positioning guide plate 103 and is used for being in contact with the peripheral bone surface of a structural positioning point of the bone to be cut, the positioning effect on the bone cutting guide plate is achieved, a horizontal bone cutting groove 1011 and an uplink bone cutting groove 1021 are formed in the guide plate main body, after the guide plate main body is attached to the bone to be cut, the horizontal bone cutting groove 1011 is used for guiding a swing saw or a bone knife to cut the bone along the direction of the horizontal bone cutting groove, the uplink bone cutting groove 1021 is used for guiding the swing saw or the bone knife to cut the bone along the obliquely upper side relative to the horizontal bone cutting groove 1011, and therefore the adjustment of the position angle of the cut bone is achieved. The structure positioning point 30 of the bone to be cut is a special characteristic point position on the tibia, the characteristic point position is used for being in contact positioning with a positioning part (such as a positioning ring or a positioning groove 1031 and the like) on the positioning guide plate 103, the accuracy of installation and positioning of the bone cutting guide plate 10 can be effectively ensured, the bone cutting guide plate is quickly installed on the tibia through a guide pin reserved in a guide pin hole, and the position to be cut can be defined by a horizontal bone cutting groove 1011 and an uplink bone cutting groove 1021 on a guide plate main body, so that the positioning accuracy of the bone cutting position can be ensured.
In one possible implementation, the fence body is L-shaped, including: a first guide 101 defining a horizontal osteotomy slot 1011; one end of the second guide plate 102 is connected with the first guide plate 101, the other end of the second guide plate 102 extends obliquely in a direction away from the first guide plate 101, and an upper bone cutting groove 1021 is defined in the length direction of the second guide plate 102; wherein the positioning guide plate 103 is connected to the second guide plate 102.
In the implementation process, the guide body comprises a first guide 101 and a second guide 102, the first guide 101 and the second guide 102 are L-shaped, and the second guide 102 forms an obtuse angle relative to the included angle between the first guide 101. The horizontal osteotomy slot 1011 extends along the length direction of the first guide plate 101, and the horizontal osteotomy slot 1011 penetrates through one end of the first guide plate 101 far away from the second guide plate 102, so that a saw or a osteotome can conveniently horizontally osteotomy along the horizontal osteotomy slot 1011. The upward osteotomy groove 1021 is arranged along the length direction of the second guide plate 102, and the upward osteotomy groove 1021 penetrates through one end of the second guide plate 102 far away from the first guide plate 101, so that a saw or a osteotome can conveniently swing to perform upward osteotomy along the upward osteotomy groove 1021. Wherein, a 1cm connecting section is arranged between the horizontal osteotomy groove 1011 and the upper osteotomy groove 1021. The width of the horizontal osteotomy groove 1011 and the width of the upper osteotomy groove 1021 are between 1.5mm and 2 mm.
As shown in fig. 3 and 4, in particular, the side of the first guide plate 101 facing the bone surface defines a first contact surface for contacting the bone surface of the bone to be osteotomy, the side of the second guide plate 102 facing the bone surface defines a second contact surface for contacting the bone surface of the bone to be osteotomy, and the side of the positioning guide plate 103 facing the bone surface defines a third contact surface for contacting the bone surface of the bone to be osteotomy.
As shown in fig. 1 and 2, in one possible implementation, at least two first guide pin holes 1012 are provided on the first guide plate 101, and at least two first guide pin holes are spaced above the horizontal osteotomy groove 1011.
In the implementation process, the two first guide pin holes 1012 are formed in the first guide plate 101, and the bone cutting guide plate can be quickly fixed on a bone by driving guide pins into the two first guide pin holes 1012, so that the positions of the horizontal bone cutting groove 1011 and the upward bone cutting groove 1021 can be determined, and the positioning accuracy of the bone cutting position can be ensured.
Specifically, the first guide pin holes 1012 are 1mm above the horizontal osteotomy groove 1011 and parallel to the horizontal osteotomy seam, the distance between the two first guide pin holes 1012 is 1.5 cm-2 cm, and the diameter of the first guide pin holes 1012 is 1.5-2.5 mm and penetrates through the guide plate.
Referring to fig. 1, 2, 4 and 5, in one possible implementation, a side of the positioning guide 103 facing away from the head to be osteotomy is provided with a second guide pin hole 1032, the second guide pin hole 1032 being for driving a guide pin to secure the bone cutting guide 10.
In the implementation process, the second guide pin hole 1032 is arranged on one side, deviating from the bone to be cut, of the positioning guide plate 103, the position of the second guide pin hole 1032 is just the position of the steel plate locking nail, the B guide pin is driven into the bone along the second guide pin hole 1032 in the operation process, so that the bone cutting guide plate is fixed, the B guide pin is reserved after the bone cutting is completed, and the steel plate is conveniently put into the bone along the second guide pin hole 1032. The second guide pin hole 1032 keeps a certain distance with the bone surface of the head to be cut, and plays a role in protecting ligament tissues in the operation. Specifically, the diameter of the second guide pin hole 1032 is 1.5 mm-2.0 mm, and the second guide pin hole 1032 penetrates through the positioning guide plate 103, the second guide pin hole 1032 is arranged on a cylinder with the diameter of 5mm, the height of the cylinder is 1cm, and the cylinder is arranged on one side of the positioning guide plate 103, which is far away from the bone to be cut.
As shown in fig. 1 and 2, in one possible implementation, a pressing block 104 is provided above the first guide 101, and the pressing block 104 is used for a user to press the fixed osteotomy guide assembly.
In the implementation process, the pressing block 104 connected with the first guide plate 101 is arranged above the first guide plate 101, so that after the bone cutting guide plate is placed, the pressing block 104 is pressed to press the guide plate, the guide plate can be completely attached to the bone surface, and the guide pins can be conveniently driven into the first guide pin hole 1012 and the second guide pin hole 1032.
Specifically, the pressing block is in a circular arc-shaped hollow structure at the middle part above the first guide plate 101, and is not in contact with the bone surface.
As shown in fig. 1 and 2, in one possible implementation, the positioning portion includes a positioning slot 1031, and the positioning slot 1031 is disposed at one end of the positioning guide plate 103 away from the guide plate main body and is used for corresponding arrangement with a structural positioning point of the bone to be osteotomy.
In the above-mentioned implementation process, location portion is including setting up the constant head tank 1031 of keeping away from the one end of baffle main part at location baffle 103, constant head tank 1031 with treat the structure setpoint shape adaptation of osteotomy head, be convenient for with treat the peripheral bone face contact of the structure setpoint of osteotomy head to observe through constant head tank 1031 whether the structure setpoint is located constant head tank 1031, in order to confirm that location portion installs in place, help improving the efficiency of osteotomy baffle installation and the accuracy of installation.
In one possible implementation, the positioning guide 103 is an arc-shaped plate, and the arc-shaped plate is spaced apart from the guide body.
In the above implementation process, the positioning guide plate 103 is of an arc structure, and a hollow structure is formed between the positioning guide plate and the guide plate main body, so that the weight of the bone cutting guide plate is reduced, the contact area between the bone cutting guide plate and the bone surface is reduced, and the soft component is prevented from being stripped as much as possible.
In one possible implementation, as shown in fig. 1, the positioning guide 103 is provided with a resection depth cue number 1033.
In the implementation process, the osteotomy depth prompting number 1033 is a two-digit protrusion arranged on the bone surface of the positioning guide plate 103, and the number is a multiple of five and is used for prompting the entering distance along the osteotomy seam during osteotomy.
In a possible implementation mode, the guide plate main body is provided with an indicating arrow for guiding the placement of the guide plate.
Through set up the instruction arrow on the baffle main part, the instruction arrow is used for instructing the osteotomy direction, and the direction pendulum saw of being convenient for when the operation is cut the bone along instructing the direction.
As shown in fig. 3 and 6, in one possible implementation, the spreading block 20 includes: the distraction block main body 201 is matched with the shape of a bone cutting seam of a bone to be cut; the distraction block depth-limiting stop block 202 is connected with one end of the distraction block 20 and is used for limiting the insertion depth of the distraction block main body 201 when the distraction block main body is inserted into the osteotomy gap; and a handle 203 connected with the distraction block depth stop block 202.
In the implementation process, the spreading block 20 includes a spreading block main body 201, a spreading block depth stop block and a handle 203. Wherein, prop open a main part 201 and be used for supporting in the osteotomy seam, prop open a limit for depth stop block 202 and set up in the rear end that props open piece 20 for the restriction props open the degree of depth that a main part 201 inserted in the osteotomy seam, handle 203 sets up in the one end that props open a limit for depth stop block 202 and keep away from and prop open a main part 201 of piece 202, is used for supplying the handheld handle 203 of doctor to insert in the osteotomy seam propping open a main part 201.
In one possible implementation, the spreader block 20 is wedge-shaped or trapezoidal or flat.
In one possible implementation, the handle 203 is provided with an anti-slip structure 2031.
In the above implementation process, the distraction block 20 is wedge-shaped or trapezoidal or flat to fit the osteotomy gap, so as to be better attached to the bone surface, and to improve the stability of the support, and meanwhile, the inclined plane on the distraction block can be used to adjust the retroversion surface of the malformation of the bone. The anti-slip structure 2031 can be a plurality of protruding structures, and the number of the protruding structures is a plurality of, and the protruding structures are arranged at intervals, so as to increase the friction between the fingers of the doctor and the handle 203 and improve the safety of the spreading block during installation.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A bone cutting guide assembly, comprising:
the bone cutting guide plate comprises a guide plate main body and a positioning guide plate connected with the guide plate main body, wherein the guide plate main body is provided with a horizontal bone cutting groove and an upward bone cutting groove, and the positioning guide plate is provided with a positioning part which is used for contacting with the peripheral bone surface of a structural positioning point of a bone to be cut;
and the opening block is used for supporting the bone in the osteotomy gap after the bone is cut.
2. The bone cutting guide assembly as in claim 1, wherein the guide body is L-shaped comprising:
a first guide plate defining the horizontal osteotomy slot;
one end of the second guide plate is connected with the first guide plate, the other end of the second guide plate extends in a direction away from the first guide plate in an inclined mode, and the length direction of the second guide plate is limited with the upward osteotomy groove;
wherein the positioning guide plate is connected with the second guide plate.
3. The bone cutting guide assembly according to claim 2, wherein the first guide plate is provided with at least two first guide pin holes, and at least two first guide pin holes are spaced above the horizontal bone cutting slot.
4. The bone cutting guide assembly according to claim 2,
a pressing block is arranged above the first guide plate; wherein, the pressing block is arc-shaped.
5. The bone cutting guide assembly according to any one of claims 1 to 4,
one side that the location baffle deviates from to treat the osteotomy head is equipped with second guide pin hole, second guide pin hole is used for squeezing into the guide pin, with fixed the osteotomy baffle.
6. The bone cutting guide assembly according to any one of claims 1 to 4,
the positioning part comprises a positioning groove, the positioning groove is formed in one end, far away from the guide plate main body, of the positioning guide plate, and is used for corresponding arrangement with the structural positioning point of the bone to be cut.
7. The bone cutting guide assembly according to any one of claims 1 to 4,
the positioning guide plate is an arc-shaped plate, and the arc-shaped plate and the guide plate main body are arranged at intervals.
8. The bone cutting guide assembly according to any one of claims 1 to 4,
the positioning guide plate is provided with a bone cutting depth prompt number; and/or
And an indication arrow used for guiding the guide plate to be placed is arranged on the guide plate main body.
9. The bone cutting guide assembly according to any one of claims 1 to 4, wherein the spreader block comprises:
the distraction block main body is matched with the shape of a bone cutting seam of a bone to be cut;
the distraction block depth-limiting blocking block is connected with one end of the distraction block and is used for limiting the insertion depth of the distraction block main body when the distraction block main body is inserted into the osteotomy gap;
and the handle is connected with the opening block depth limiting blocking block.
10. The bone cutting guide assembly according to claim 9,
the opening block is wedge-shaped, trapezoid or flat; and/or
The handle is provided with an anti-skid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210074258.0A CN114209387A (en) | 2022-01-21 | 2022-01-21 | Osteotomy guide plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210074258.0A CN114209387A (en) | 2022-01-21 | 2022-01-21 | Osteotomy guide plate assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114209387A true CN114209387A (en) | 2022-03-22 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207721848U (en) * | 2017-04-28 | 2018-08-14 | 首都医科大学宣武医院 | Osteotomy guide plate for High Tibial Osteotomy |
| CN208492220U (en) * | 2017-10-26 | 2019-02-15 | 武汉大学 | Novel mandibular integration osteotomy guide plate |
| CN109567912A (en) * | 2018-12-28 | 2019-04-05 | 上海交通大学医学院附属第九人民医院 | The outer notch rib cage of lower jaw transplants resting guide |
| CN209253032U (en) * | 2018-07-27 | 2019-08-16 | 中南大学湘雅医院 | A kind of apparatus for correcting for proximal tibia osteotomy |
| JP2019202108A (en) * | 2018-05-25 | 2019-11-28 | 光原科技股▲分▼有限公司 | Jig for osteotomy |
| CN217066513U (en) * | 2022-01-21 | 2022-07-29 | 世康数字(北京)科技有限公司 | Osteotomy guide plate assembly |
-
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- 2022-01-21 CN CN202210074258.0A patent/CN114209387A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207721848U (en) * | 2017-04-28 | 2018-08-14 | 首都医科大学宣武医院 | Osteotomy guide plate for High Tibial Osteotomy |
| CN208492220U (en) * | 2017-10-26 | 2019-02-15 | 武汉大学 | Novel mandibular integration osteotomy guide plate |
| JP2019202108A (en) * | 2018-05-25 | 2019-11-28 | 光原科技股▲分▼有限公司 | Jig for osteotomy |
| CN209253032U (en) * | 2018-07-27 | 2019-08-16 | 中南大学湘雅医院 | A kind of apparatus for correcting for proximal tibia osteotomy |
| CN109567912A (en) * | 2018-12-28 | 2019-04-05 | 上海交通大学医学院附属第九人民医院 | The outer notch rib cage of lower jaw transplants resting guide |
| CN217066513U (en) * | 2022-01-21 | 2022-07-29 | 世康数字(北京)科技有限公司 | Osteotomy guide plate assembly |
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