CN111195144A - Multi-angle closed osteotomy guiding device - Google Patents
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- CN111195144A CN111195144A CN202010135167.4A CN202010135167A CN111195144A CN 111195144 A CN111195144 A CN 111195144A CN 202010135167 A CN202010135167 A CN 202010135167A CN 111195144 A CN111195144 A CN 111195144A
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- 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
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Abstract
The invention provides a multi-angle closed osteotomy guide device, which comprises a first osteotomy guide part, at least one pair of first guide through holes arranged on the first osteotomy guide part; a second osteotomy guide, a third osteotomy guide, and at least one pair of second guide through-holes provided on the second osteotomy guide and/or the third osteotomy guide; the planes of the center lines of the paired first guide through holes and the planes of the center lines of the paired second guide through holes form a set angle; and at least one angle block. The multi-angle closed osteotomy guiding device can realize accurate high-quality osteotomy at one time, shorten the operation time, relieve the pain of patients, and can be repeatedly used after adjustment according to the conditions of different patients, and has quick adjustment and low cost.
Description
Technical Field
The invention relates to the technical field of medical instruments for osteotomy, in particular to a multi-angle closed osteotomy guiding device.
Background
In clinical bone surgery, correcting skeletal deformities (e.g., angulation of a bend) is one of the common procedures, and osteotomy is a necessary surgical step. The osteotomy generally comprises an open osteotomy and a closed osteotomy, and the closed osteotomy has the advantage that the osteotomy surfaces are in full direct contact, so that the osteotomy is facilitated to be healed. For proximal tibial osteotomy, open osteotomy is mostly adopted, and postoperative healing is better; for the distal femur osteotomy, if the open osteotomy is adopted, the non-healing rate is very high, so the closed osteotomy is mostly adopted, and the postoperative healing effect can be obviously improved.
Chinese patent document CN110251193A discloses an individualized closed osteotomy guide plate and a manufacturing method thereof, and specifically discloses the following contents: the individualized closed bone cutting guide plate comprises a guide plate body, wherein at least two guide through grooves and at least two positioning through holes are formed in the guide plate body; the guide through grooves are arranged on the guide plate body in parallel and used for guiding the insertion position and the cutting direction of the osteotomy saw blade; the positioning through hole is used for guiding the insertion position and the insertion direction of the Kirschner wire. The guide plate body is provided with a guide through groove and/or a positioning through hole, the scanning result is extracted, three-dimensional software is used for modeling again, the guide plate is individually designed according to the condition of a patient, and the guide plate is manufactured by adopting a 3D printing technology; the design aim is that the osteotomy saw blade is matched with the osteotomy section shape and size of the osteotomy part of the patient through the guide through groove. The osteotomy guide plate disclosed in the patent literature needs to extract a scanning result, then uses three-dimensional software for modeling, and finally adopts a 3D printing technology for printing, so that the osteotomy guide plate is long in time, low in efficiency, capable of being used by only one patient at a time, and high in cost.
Therefore, how to design a medical instrument for assisting osteotomy with good universality and low cost is a technical problem which is not solved in the prior art.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the technical defects that a tool for osteotomy guiding in the prior art is only used by one patient at a time, has poor universality, long manufacturing period and low efficiency, thereby providing the multi-angle closed osteotomy guiding device with low cost and good universality.
To this end, the present invention provides a multi-angle closed osteotomy guide comprising:
a first osteotomy guide having a first guide proximal end and a first guide distal end disposed in opposition;
at least one pair of first guide through holes are arranged to penetrate through the near end of the first guide part and the far end of the first guide part, and the center lines of the paired first guide through holes are arranged in parallel;
a second osteotomy guide having a second guide proximal end and a second guide distal end disposed opposite one another and being rotatably coupled to the first osteotomy guide by a rotational coupling arrangement;
a third osteotomy guide slidably movable toward and away from said first osteotomy guide and removably mountable on said second osteotomy guide, having oppositely disposed third guide proximal and third guide distal ends;
at least one pair of second guide through holes are arranged to penetrate through the proximal end of the second guide part and the distal end of the second guide part and/or arranged to penetrate through the proximal end of the third guide part and the distal end of the third guide part, and the center lines of the paired second guide through holes are arranged in parallel;
the planes of the center lines of the paired first guide through holes and the planes of the center lines of the paired second guide through holes form a set angle;
and at least 1 angle block which is installed between the first osteotomy guiding element and the second osteotomy guiding element in a pluggable way and is used for changing the angle between the plane of the central line of the paired first guiding through holes and the plane of the central line of the paired second guiding through holes.
Preferably, the rotational connection structure is provided at a position of the first osteotomy guide near the first guide distal end and at a position of the second osteotomy guide near the second guide distal end, respectively.
As a preferable aspect, the rotation connecting structure includes:
a rotating shaft disposed on the first osteotomy guide;
and the rotating shaft hole is arranged on the second osteotomy guide piece and is connected with the rotating shaft in a rotatable matching manner.
Preferably, when the angle block is not mounted and the first osteotomy guide is in contact with the second osteotomy guide, an angle between a plane in which the centerlines of the pair of first guide through holes lie and a plane in which the centerlines of the pair of second guide through holes lie is 2 to 5 °.
Preferably, the angle block is at least one, including at least one of 1 °, 2 °, 4 °, 8 ° and 16 °.
Preferably, the first osteotomy guide, the at least one angle block, and the second osteotomy guide have mutually fitted surfaces respectively provided with a limiting groove and a limiting protrusion.
Preferably, the first guiding through holes are arranged in a plurality of rows on the first osteotomy guiding element along the direction away from the second osteotomy guiding element, each row is at least 2, and the distance between the center lines of the first guiding through holes in two adjacent rows is 5-8 mm.
Preferably, the second guiding through holes are provided with a plurality of rows on the second osteotomy guiding element and/or the third osteotomy guiding element along the direction away from the first osteotomy guiding element, each row is at least 2, and the distance between the center lines of the second guiding through holes in two adjacent rows is 5-8 mm;
the distance between the circle center connecting line of the pair of first guide through holes closest to the second osteotomy guide at the distal end opening of the first guide and the circle center connecting line of the pair of second guide through holes closest to the first osteotomy guide at the distal end of the second guide and/or the distal end opening of the third guide is 1-5 mm.
Preferably, the third osteotomy guide is a U-shaped block, an open end of the U-shaped block being a proximal end of the third guide; the second guide through holes are formed in two opposite side walls of the U-shaped block.
As a preferable scheme, a fixing threaded hole is formed in the side wall of the U-shaped block; a fixed sliding chute is arranged on the side wall of the second osteotomy guide piece; and after the fixing bolt penetrates through the fixing threaded hole, the fixing bolt is abutted against the inside of the fixing sliding groove, so that the second osteotomy guide piece can be slidably and detachably mounted.
The technical scheme provided by the invention has the following advantages:
1. the invention discloses a multi-angle closed osteotomy guide device, which comprises a first osteotomy guide part, a second osteotomy guide part and a third osteotomy guide part, wherein during osteotomy, the first osteotomy guide part is abutted against or fixed at a corresponding position of a bone to be osteotomed, and then two Kirschner wires penetrate through a pair of first guide through holes (penetrate from the near end of the first guide part to the far end of the first guide part) respectively and are nailed on the bone to be osteotomy; then, the bone with the kirschner wires is subjected to perspective, the bone entering position and angle of the other pair of the kirschner wires are determined, then, a selected angle block is inserted between the first osteotomy guide piece and the second osteotomy guide piece, the relative position between the third osteotomy guide piece and the second osteotomy guide piece is adjusted according to the situation, after the second osteotomy guide piece and the third osteotomy guide piece are fixed, the two kirschner wires penetrate through a proper pair of second guide through holes and are nailed at the corresponding position of the bone to be osteotomed, then the second osteotomy guide piece and the third osteotomy guide piece are detached, the first, the second and the third osteotomy guide pieces are detached, an osteotomy knife can be used to be close to the kirschner wires for osteotomy at the moment, so that the angle and the position of the osteotomy are ensured to be accurate, and two osteotomy lines starting from the positions of the upper and the lower pairs of the kirschner wires are respectively connected at the position close to the outer wall of the bone, thereby completing the high-quality osteotomy at one time. The multi-angle closed osteotomy guiding device can realize accurate high-quality osteotomy at one time, shorten the operation time, relieve the pain of patients, and can be repeatedly used after adjustment according to the conditions of different patients, and has quick adjustment and low cost.
2. According to the guiding device, the rotary connecting structure is arranged at the position, close to the far end of the first guiding element, of the first osteotomy guiding element and the position, close to the far end of the second guiding element, of the second osteotomy guiding element, so that the angle block is convenient to install, and after the angle block is installed, the distance between a circle center connecting line of a pair of first guiding through holes closest to the second osteotomy guiding element at the far end opening of the first guiding element and a circle center connecting line of a pair of second guiding through holes closest to the first osteotomy guiding element at the far end of the second guiding element and/or the far end opening of the third guiding element has little or no influence, so that the distance between two pairs of kirschner wires is convenient to master.
3. When the angle block is not installed and the first osteotomy guide part is in contact with the second osteotomy guide part in a fitting manner, the angle between the plane where the center lines of the paired first guide through holes are located and the plane where the center lines of the paired second guide through holes are located is 2-5 degrees, and when the included angle between the two pairs of Kirschner wires is 2-5 degrees, the angle block is not used; the angle blocks can be multiple, the adjusting angles are respectively 1 degree, 2 degrees, 4 degrees, 8 degrees and 16 degrees, when the angle blocks are not installed and the included angle between the planes is 2 degrees, the 5 angle blocks are used, the 2-33-degree continuous angle can be adjusted, and the requirement on the angle under most conditions can be met.
4. The guide device is also provided with a limiting groove and a limiting bulge, so that the guide device is assisted in limiting and fixing and convenient to use.
5. According to the guiding device, the first guiding through holes and the second guiding through holes are arranged in multiple rows at intervals, so that the first guiding through holes and the second guiding through holes can be selected to be used according to the actual condition of a bone to be cut, and the guiding device is more convenient and wider in applicability.
6. According to the guiding device, the third osteotomy guiding part is a U-shaped block, when the distance between the third osteotomy guiding part and the second osteotomy guiding part needs to be adjusted, the fixing bolt is unscrewed, the third osteotomy guiding part can be moved relative to the second osteotomy guiding part, and the fixing can be realized by screwing the fixing bolt after the adjustment is finished; when all the Kirschner wires are completely nailed and the whole guide device needs to be taken down, the fixing bolt can be loosened completely, so that the third osteotomy guide piece is separated from the second osteotomy guide piece, and the whole guide device can be taken down conveniently.
Drawings
To more clearly illustrate the technical solutions in the prior art or the embodiments of the present invention, the drawings used in the description of the prior art or the embodiments are briefly introduced below.
FIG. 1 is a schematic view of a closed osteotomy.
FIG. 2 is a perspective view of the multi-angle closed osteotomy guide of the present invention.
Fig. 3 is another angular view of fig. 2.
Reference numerals: 1. a first osteotomy guide; 11. a first guide proximal end; 12. a first guide distal end; 2. a second osteotomy guide; 21. a second guide proximal end; 22. a second guide distal end; 3. a third osteotomy guide; 31. a third guide proximal end; 32. a third guide distal end; 41. a first guide through hole; 42. a second guide through hole; 5. an angle block; 61. a rotating shaft; 62. a rotating shaft hole; 71. a limiting groove; 72. a limiting bulge; 81. fixing the threaded hole; 82. fixing the chute; 83. fixing the bolt; 01. bones to be cut; 02. the bone is to be removed; 03. a first osteotomy location; 04. a second osteotomy location; 05. and (4) a junction point.
Detailed Description
In order to more clearly describe the present invention, it is necessary to briefly describe the osteotomy principle of the closed osteotomy. Fig. 1 illustrates a principle of closed osteotomy, specifically, an osteotomy procedure in which a bone 01 to be osteotomy is cut from a first osteotomy position 03 and a second osteotomy position 04 by using an osteotome, and finally reaches a junction 05 position, the bone 02 to be removed is cut, and then the upper and lower sections are snapped to fit, so as to correct the curvature of the bone. In order to accurately correct the bone curvature after osteotomy, an included angle between the first osteotomy position 03 and the second osteotomy position 04 needs to be accurately determined, and the angle needs to be ensured not to deviate during osteotomy; for rapid healing after osteotomy, the junction 05 needs to be cut right to the edge of the bone and not to break the periosteum. The difficulty in the prior art is that the first osteotomy angle is not accurate enough, and the second is that the position of the junction is not well controlled, but the invention aims to precisely control the osteotomy angle and ensure that the position of the junction 05 is just cut to the edge of the bone without damaging periosteum.
The technical solution of the present invention is described in detail below with reference to the accompanying drawings.
The present embodiment provides a multi-angle closed osteotomy guide, as shown in fig. 2-3, comprising: a first osteotomy guide 1 having oppositely disposed first guide proximal and distal ends 11, 12; at least one pair of first guide through holes 41, which are arranged through the first guide proximal end 11 and the first guide distal end 12, and the center lines of the pair of first guide through holes 41 are arranged in parallel; a second osteotomy guide 2 having a second guide proximal end 21 and a second guide distal end 22 disposed opposite one another and rotatably coupled to said first osteotomy guide 1 by a rotational coupling; a third osteotomy guide 3, slidable toward and away from said first osteotomy guide 1, and removably mountable to said second osteotomy guide 2, having oppositely disposed third guide proximal and distal ends 31, 32; at least one pair of second guide through holes 42 provided through the second guide proximal end 21 and the second guide distal end 22, and provided through the third guide proximal end 31 and the third guide distal end 32, and the center lines of the pair of second guide through holes 42 are arranged in parallel; the planes of the center lines of the paired first guide through holes 41 and the planes of the center lines of the paired second guide through holes 42 form a set angle; and at least 1 angle block 5, which is installed between the first osteotomy guide 1 and the second osteotomy guide 2 in a pluggable manner, for changing an angle between a plane where the center lines of the pair of first guide through holes 41 are located and a plane where the center lines of the pair of second guide through holes 42 are located.
In the multi-angle closed osteotomy guide device of the embodiment, during a specific osteotomy, the first osteotomy guide 1 is firstly abutted against or fixed at a corresponding position of a bone to be osteotomy, and then two kirschner wires are respectively penetrated out of the pair of first guide through holes 41 (penetrated from the proximal end 11 of the first guide to the distal end 12 of the first guide) and are nailed on the bone to be osteotomy; then, the bone with the kirschner wires is seen through, the bone entering position and the angle of the other pair of the kirschner wires are determined, then, the selected angle block 5 is inserted between the first osteotomy guide 1 and the second osteotomy guide 2, the relative position between the third osteotomy guide 3 and the second osteotomy guide 2 is adjusted according to the situation, after the second osteotomy guide 2 and the third osteotomy guide 3 are fixed, two kirschner wires are used to penetrate through a proper pair of second guide through holes 42 to be nailed at the corresponding position of the bone to be osteotomed, then the second osteotomy guide 2 and the third osteotomy guide 3 are detached, the first, the second and the third osteotomy guides are detached, at the moment, an osteotomy knife can be used to carry out osteotomy close to the kirschner wires, so that the angle of the osteotomy is accurate and the accurate position of the osteotomy is ensured, and the two osteotomy lines of the osteotomy from the upper and the lower two pairs of the kirschner wires are respectively, and the osteotomy lines are connected at the position which is very close to the outer wall, thereby completing the high-quality osteotomy at one time. The multi-angle closed osteotomy guiding device of this embodiment can once only realize accurate high quality osteotomy, shortens operation time, alleviates patient's misery to can be according to different patient's the condition, used repeatedly after the adjustment, the adjustment is quick and with low costs.
The rotational connections are provided at the first osteotomy guide 1 proximal to the first guide distal end 12 and the second osteotomy guide 2 proximal to the second guide distal end 22, respectively; not only is the angle block 5 convenient to install, but also after the angle block 5 is installed, the distance between the circle center connecting line of the opening of the first guide far end 12 of the pair of first guide through holes 41 closest to the second osteotomy guide 2 and the circle center connecting line of the opening of the second guide far end 22 of the pair of second guide through holes 42 closest to the first osteotomy guide 1 has little or no influence, so that the distance between the two pairs of kirschner wires is convenient to hold.
The rotation connection structure includes: a rotation shaft 61 provided on the first osteotomy guide 1; and a rotating shaft hole 62 is arranged on the second osteotomy guide 2 and is connected with the rotating shaft 61 in a rotatable matching manner.
In the guide device of the present embodiment, when the angle block 5 is not mounted and the first osteotomy guide 1 and the second osteotomy guide 2 are in abutting contact, the angle between the plane where the center lines of the pair of first guide through holes 41 lie and the plane where the center lines of the pair of second guide through holes 42 lie is 2 °; the number of the angle blocks 5 is 5, and the adjustable angles are respectively 1 degree, 2 degrees, 4 degrees, 8 degrees and 16 degrees. By using the above 5-degree angle blocks, continuous angles of 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 and 33 degrees can be adjusted, and the requirements on the angle can be met in most cases.
As a modified design, when the angle blocks 5 are not mounted and the first osteotomy guide 1 and the second osteotomy guide 2 are in contact with each other, the angle between the plane where the center lines of the pair of first guide through holes 41 are located and the plane where the center lines of the pair of second guide through holes 42 are located may be 2 to 5 °, and the number of the angle blocks 5 may be selected as needed.
The first osteotomy guide part 1, the at least one angle block 5 and the second osteotomy guide part 2 are respectively provided with a limiting groove 71 and a limiting bulge 72 on the surfaces which are mutually attached, so that the auxiliary limiting and fixing are realized, and the use is convenient.
Along the direction far away from the second osteotomy guide 2, the first guide through holes 41 are arranged in 9 rows, 4 in each row, on the first osteotomy guide 1, and the distance between the central lines of the first guide through holes 41 in two adjacent rows is 5-8 mm. In the present embodiment, the radii of the first guide through hole 41 and the second guide through hole 42 are both 1.5 mm.
Along keeping away from first osteotomy guide 1 direction, second guiding through-hole 42 is equipped with 1 row on second osteotomy guide 2, be equipped with 8 rows on third osteotomy guide 3, every row is 2, and the distance between the central line of two adjacent rows second guiding through-hole 42 is 5-8 mm.
The distance between the line of the centers of the openings of the pair of first guide through holes 41 closest to the second osteotomy guide 2 at the first guide distal end 12 and the line of the centers of the openings of the pair of second guide through holes 42 closest to the first osteotomy guide 1 at the second guide distal end 22 is 2 mm. As a variant, the spacing distance can also be other distances in the range from 2 to 5 mm.
By means of the arrangement, a doctor can select the appropriate first guide through hole and the appropriate second guide through hole to use according to the actual condition of the skeleton to be cut, and the bone cutting machine is more convenient and wider in applicability.
The third osteotomy guide 3 is a U-shaped block, the open end of which is the third guide proximal end 31; the second guide through holes 42 are formed on both opposite side walls of the U-shaped block.
A fixing threaded hole 81 is formed in the side wall of the U-shaped block; a fixing sliding groove 82 is formed in the side wall of the second osteotomy guide 2; after passing through the fixing threaded hole 81, a fixing bolt 83 abuts against the inside of the fixing sliding groove 82, and is slidably and detachably mounted on the second osteotomy guide 2.
When the distance between the third osteotomy guide 3 and the second osteotomy guide 2 needs to be adjusted, the fixing bolt 83 is loosened, the third osteotomy guide 3 can be moved relative to the second osteotomy guide 2, and the fixing bolt 83 is screwed after the adjustment is finished, so that the fixation can be realized; when all the kirschner wires are completely nailed and the whole guide device needs to be taken down, the fixing bolt 83 can be loosened completely, so that the third osteotomy guide piece 3 is separated from the second osteotomy guide piece 2, and the whole guide device can be taken down conveniently.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides a multi-angle closure cuts bone guider which characterized in that: the method comprises the following steps:
a first osteotomy guide (1) having a first guide proximal end (11) and a first guide distal end (12) disposed in opposition;
at least one pair of first guide through holes (41) are arranged through the proximal end (11) and the distal end (12) of the first guide part, and the center lines of the paired first guide through holes (41) are arranged in parallel;
a second osteotomy guide (2) having a second guide proximal end (21) and a second guide distal end (22) disposed opposite one another and being rotatably coupled to said first osteotomy guide (1) by a rotational coupling;
a third osteotomy guide (3) slidable towards and away from said first osteotomy guide (1) and removably mountable on said second osteotomy guide (2), having a third guide proximal end (31) and a third guide distal end (32) disposed opposite one another;
at least one pair of second guide through holes (42) is arranged through the second guide proximal end (21) and the second guide distal end (22) and/or through the third guide proximal end (31) and the third guide distal end (32), and the center lines of the paired second guide through holes (42) are arranged in parallel;
the planes of the center lines of the paired first guide through holes (41) and the planes of the center lines of the paired second guide through holes (42) form a set angle;
and at least 1 angle block (5) which is installed between the first osteotomy guiding element (1) and the second osteotomy guiding element (2) in a pluggable manner and is used for changing the angle between the plane where the center lines of the paired first guiding through holes (41) are positioned and the plane where the center lines of the paired second guiding through holes (42) are positioned.
2. The guide device of claim 1, wherein: the rotational connections are provided at a position of the first osteotomy guide (1) near the first guide distal end (12), and at a position of the second osteotomy guide (2) near the second guide distal end (22), respectively.
3. The guide device of claim 2, wherein: the rotation connection structure includes:
a rotating shaft (61) provided on the first osteotomy guide (1);
and the rotating shaft hole (62) is arranged on the second osteotomy guide piece (2) and is connected with the rotating shaft (61) in a rotatable matching manner.
4. The guide device of claim 1, wherein: when the angle block (5) is not installed and the first osteotomy guide (1) and the second osteotomy guide (2) are in abutting contact, the angle between the plane of the centerlines of the pair of first guide through holes (41) and the plane of the centerlines of the pair of second guide through holes (42) is 2-5 degrees.
5. The guide device of claim 4, wherein: the angle block (5) is at least one and comprises at least one of 1 degree, 2 degrees, 4 degrees, 8 degrees and 16 degrees.
6. The guide device of claim 1, wherein: the first osteotomy guide (1), the at least one angle block (5) and the second osteotomy guide (2) are respectively provided with a limit groove (71) and a limit bulge (72) on the surfaces which are mutually attached.
7. The guide device of claim 1, wherein: along the direction far away from the second osteotomy guide (2), the first guide through holes (41) are provided with a plurality of rows, each row is at least 2, and the distance between the central lines of the first guide through holes (41) in two adjacent rows is 5-8 mm.
8. The guide device of claim 7, wherein: the second guiding through holes (42) are provided with a plurality of rows of at least 2 in the direction away from the first osteotomy guiding piece (1), wherein the number of the rows is 5-8 mm;
the distance between a line of centers of the openings of the first guide far end (12) and the pair of first guide through holes (41) closest to the second osteotomy guide (2) and a line of centers of the openings of the second guide far end (22) and/or the third guide far end (32) and the pair of second guide through holes (42) closest to the first osteotomy guide (1) is 1-5 mm.
9. The guide device of claim 1, wherein: the third osteotomy guide (3) is a U-shaped block, the open end of which is the third guide proximal end (31); the second guide through holes (42) are formed in two opposite side walls of the U-shaped block.
10. The guide device of claim 9, wherein: a fixing threaded hole (81) is formed in the side wall of the U-shaped block; a fixing sliding groove (82) is arranged on the side wall of the second osteotomy guide part (2); after a fixing bolt (83) is used for penetrating through the fixing threaded hole (81), the fixing bolt is abutted against the inside of the fixing sliding groove (82), and the second osteotomy guide piece (2) is slidably and detachably installed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135167.4A CN111195144A (en) | 2020-03-02 | 2020-03-02 | Multi-angle closed osteotomy guiding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135167.4A CN111195144A (en) | 2020-03-02 | 2020-03-02 | Multi-angle closed osteotomy guiding device |
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| CN111195144A true CN111195144A (en) | 2020-05-26 |
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| CN202010135167.4A Pending CN111195144A (en) | 2020-03-02 | 2020-03-02 | Multi-angle closed osteotomy guiding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914676A (en) * | 2021-03-30 | 2021-06-08 | 成都博思达康医疗科技有限公司 | Combined elbow joint osteotomy orthopedic guide plate and manufacturing method thereof |
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2020
- 2020-03-02 CN CN202010135167.4A patent/CN111195144A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914676A (en) * | 2021-03-30 | 2021-06-08 | 成都博思达康医疗科技有限公司 | Combined elbow joint osteotomy orthopedic guide plate and manufacturing method thereof |
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