CN113520518B - Tibia high-position guiding osteotomy orthopedic internal fixing device - Google Patents
Tibia high-position guiding osteotomy orthopedic internal fixing device Download PDFInfo
- Publication number
- CN113520518B CN113520518B CN202010316211.1A CN202010316211A CN113520518B CN 113520518 B CN113520518 B CN 113520518B CN 202010316211 A CN202010316211 A CN 202010316211A CN 113520518 B CN113520518 B CN 113520518B
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- osteotomy
- block
- tibia
- hole
- catheter
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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
- A61B17/16—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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The embodiment of the invention discloses a tibia high-position guiding osteotomy orthopedic internal fixation device, which comprises: the device comprises an internal fixture, a guiding osteotomy device and an alignment reference device, wherein the guiding osteotomy device is used for positioning and guiding during osteotomy, the alignment reference device is used for aligning tibia after osteotomy, and the internal fixture is used for adjusting the alignment of the tibia and fixing two sections of tibia after osteotomy. The device solves the problems of poor positioning and guiding accuracy, complicated operation flow, lack of adjustability and the like existing in the current guiding of the Kirschner wire or the guider.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a combined device for implementing high-level guiding osteotomy and internal fixation of orthopedics.
Background
The high tibial osteotomy is used as a main means for knee joint correction and knee protection treatment operation, and is also suitable for medial, lateral or total condyle knee arthropathy. Typically, proximal tibial development or trauma is a major cause of proximal tibial varus, valgus or rotational deformity. Whereas osteotomy correction is to correct its varus, valgus or rotational deformity reconstruction stress axis. The widely used internal fixation after the high-level osteotomy of the tibia at present is a bone fracture plate, the bone fracture plate has no positioning and guiding functions and no orthopedic adjustment functions, and the proximal tibia alignment cannot be corrected once the bone fracture plate is fixed. The existing osteotomy mode adopts the guiding of a Kirschner wire or a guider, the positioning and guiding accuracy is poor, the operation flow is complex, the adjustability is lacking, and the like.
Disclosure of Invention
The invention provides a correcting internal fixing device for tibia high-level osteotomy, which aims at the problems existing in the prior art and comprises:
the internal fixation comprises a knee protecting block 6, a long screw 7, a connecting rod 8, a fixed block 9 and a screw 14, wherein the connecting rod 8 is inserted into the knee protecting block 6 and a first rod hole 604 and a second rod hole 903 on the fixed block 9 to form sliding connection, when the first locking structure 605 and the second locking structure 901 on the knee protecting block 6 and the fixed block 9 are locked, the knee protecting block 6, the connecting rod 8 and the fixed block 9 form fixed connection, the screw 14 is filled in the knee protecting block 6 and a first nail hole 603 and a second nail hole 902 on the fixed block 9 and screwed into the tibia, and the knee protecting block 6, the connecting rod 8, the fixed block 9 and the screw 14 form fixed connection and fix two sections of tibia after osteotomy.
The guide osteotomy device comprises an osteotomy device 1, a catheter lock 3, a catheter 4 and a guide sleeve 5, wherein the osteotomy device 1 is provided with an osteotomy groove 103, the catheter lock 3 is provided with a first locking thread 301 matched with a second locking thread 401 on the catheter 4, the catheter 4 passes through a catheter hole 102 on the osteotomy device 1 and a catheter hole 501 on the guide sleeve 5 to be matched with a positioning threaded hole 602 on a knee protecting block 6 through a positioning thread 402 on the catheter 4, and the catheter lock 3 extrudes the osteotomy device 1 through the first locking thread 301, so that the osteotomy device 1, the catheter lock 3, the catheter 4 and the guide sleeve 5 form the guide osteotomy device and the knee protecting block 6 to form fixed connection.
The alignment reference device comprises an alignment reference rod 2, a reference rotating block 10, a nut 11, a gasket 12 and a reference rod rack 13, wherein the alignment reference rod 2 is inserted into a reference rod hole 1001 on the reference rotating block 10 to form fixed connection, the reference rotating block 10 is provided with a rotating shaft 1002 and a positioning shaft 1003, the rotating shaft 1002 penetrates through a rotating hole 1302 on the reference rod rack 13, the positioning shaft 1003 penetrates through a positioning hole 1201 on the gasket 12, the reference rotating block 10, the nut 11 and the gasket 12 are tightly pressed with locking threads on the reference rotating block 10 through locking threaded holes 1101 on the nut 11 to form damped rotating connection with the reference rod rack 13, and the reference rod rack 13 is provided with a jack 1301 to form detachable fixed connection with a plug 104 on the bone cutter 1.
Further, the locating screw hole 602 may be configured to receive the screw 14 after the osteotomy is completed.
Further, the knee protecting block 6 is provided with a bulge 601, a long screw 7 can be installed in a screw hole on the bulge 601, the length of the long screw 7 can penetrate through tibial cortex at two ends after osteotomy, and stability of fixation at two ends of contralateral osteotomy is enhanced.
Further, the guide sleeve 5 is provided with a first protrusion 502 and a second protrusion 503 which are matched with the groove 101 on the osteotome 1 and the groove 606 on the knee protecting block 6 to prevent the osteotome 1, the alignment reference rod 2 and the guide sleeve 5 from rotating and play a role in positioning.
Further, the gasket 12 is provided with a reference pointer 1202, and the reference bar 13 is provided with an angle scale 1303.
Further, the conduit lock 3 and the conduit 4 are provided with anti-slip teeth which are convenient for manual rotation locking.
The invention has at least one of the following advantages:
1. the osteotomy device 1 of the invention can be fixed on the knee protecting block 6 through the catheter lock 3, the catheter 4 and the guide sleeve 5
2. The osteotomy device 1 is provided with an alignment reference rod 2 which can be used as alignment reference after tibia osteotomy
3. The connecting rod 8 is inserted into the first rod hole 604 and the second rod hole 903 on the knee protecting block 6 and the fixed block 9 to form sliding connection, the osteotomy orthopedic angle can be adjusted to be spread or pressurized to the optimal correction angle through the sliding connection, and after correction, the position of the fixed block 9 and the two sections of tibia ends after osteotomy can be locked and fixed by screwing the screw 14. After the bone resection is confirmed to be aligned, the knee protecting block 6, the connecting rod 8 and the fixed block 9 can form fixed connection by locking the first locking structure 605 and the second locking structure 901 on the knee protecting block 6 and the fixed block 9.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the scope of the invention.
Fig. 1 is a schematic diagram of the structure of the paired line reference device.
FIG. 2 is a schematic diagram showing the structure of the internal fixture of the present invention.
FIG. 3 is a schematic view of the structure of the osteotome and reference block of the present invention.
Fig. 4 shows a schematic structural view of the catheter, the catheter lock and the 5 guide sleeve according to the invention.
Fig. 5 is a schematic view showing the structure of the reference bar frame, the washer and the nut of the present invention.
Fig. 6 is a schematic view showing the structure of the knee protecting block and the fixing block of the present invention.
Fig. 7 shows a schematic view of a long screw and a screw structure according to the present invention.
In the figure, 1 osteotomy cut, 101 groove, 102 conduit hole, 103 osteotomy groove, 104 bolt, 2 alignment reference bar, conduit lock 3, 301 first locking thread, conduit 4, 401 second locking thread, 402 positioning thread, 5 guide sleeve, 501 conduit hole, 502 first protrusion, 503 second protrusion, 6 knee block, 601 protrusion, 602 positioning threaded hole, 603 first nail hole, 604 first bar hole, 605 first locking structure, 606 groove, 607 k pin hole, 7 long screw, 8 connecting bar, 9 fixing block, 901 second locking structure, 902 second nail hole, 903 second bar hole, 10 reference turning block, 1001 reference bar hole, 1002 spindle, 1003 positioning shaft, 1004 locking thread, 11 nut, 1101 locking threaded hole, 12 spacer, 1201 positioning hole, 1202 reference turning indication, 13 reference bar frame, 1301 jack, 1302 turning hole, 1303 scale, 14 screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
When the device is used, the reference rotating block 10, the nut 11, the gasket 12 and the reference rod frame 13 are assembled in advance to form an alignment reference device, the guide osteotomy device and the knee protecting block 6 are fixed on the knee protecting block 6 through the guide tube lock 3, the guide tube 4 and the guide sleeve 5, the alignment reference device, the guide osteotomy device and the knee protecting block 6 are connected into a whole and placed at the proximal end of tibia, 1-2 screws 14 are arranged on the knee protecting block 6 after being positioned by a Kirschner wire or electric penetration confirmation, the knee protecting block 6 is fixed on the tibia, the alignment reference device is removed, tibia guiding positioning osteotomy is carried out through the osteotomy groove 103, the guide osteotomy device is removed after osteotomy, the connecting rod 8 is inserted into the knee protecting block 6, the first rod hole 604 and the second rod hole 903 on at least 2 fixing blocks 9 form sliding connection, the first locking structure 605 is screwed down to form fixed connection between the connecting rod 8 and the knee protecting block 6, one screw is not screwed down the second locking structure 901, the instrument is used for opening or pressurizing the knee protecting block 6 in a surgery, the alignment device is used for supporting or pressurizing bone angle, and finally the second locking structure is screwed down to form two screws for fixing the two sections 7 and fixing the tibia 7 after the other osteotomy segments are fixed.
It should be noted and understood that various modifications and improvements could be made to the invention as described in detail above without departing from the spirit and scope of the invention as claimed. Accordingly, the scope of the claimed subject matter is not limited by any particular exemplary teachings presented.
Claims (6)
1. A tibial high guide osteotomy orthopedic internal fixation device, comprising:
the internal fixation comprises a knee protecting block (6), a long screw (7), a connecting rod (8), a fixing block (9) and a screw (14), wherein the connecting rod (8) is inserted into the knee protecting block (6), a first rod hole (604) and a second rod hole (903) on the fixing block (9) form sliding connection, when the knee protecting block (6) is locked, a first locking structure (605) and a second locking structure (901) on the fixing block (9) are locked, the knee protecting block (6), the connecting rod (8) and the fixing block (9) form fixed connection, the screw (14) is installed into the knee protecting block (6), a first nail hole (603) and a second nail hole (902) on the fixing block (9) and screwed into tibia, and the knee protecting block (6), the connecting rod (8), the fixing block (9) and the screw (14) form fixed connection and fix two sections of tibia after bone cutting;
the guide osteotomy device comprises an osteotomy device (1), a catheter lock (3), a catheter (4) and a guide sleeve (5), wherein the osteotomy device (1) is provided with an osteotomy groove (103), the catheter lock (3) is provided with a first locking thread (301) which is matched with a second locking thread (401) on the catheter (4), the catheter (4) passes through a catheter hole (102) on the osteotomy device (1) and a catheter hole (501) on the guide sleeve (5) to be matched with a positioning threaded hole (602) on the knee protecting block (6) through a positioning thread (402) on the catheter (4), and the catheter lock (3) extrudes the osteotomy device (1) through the first locking thread (301), so that the osteotomy device (1), the catheter lock (3), the catheter (4) and the guide sleeve (5) are connected into the guide osteotomy device and form fixed connection with the knee protecting block (6);
the alignment reference device comprises an alignment reference rod (2), a reference rotating block (10), a nut (11), a gasket (12) and a reference rod frame (13), wherein the alignment reference rod (2) is inserted into a reference rod hole (1001) on the reference rotating block (10) to form fixed connection, the reference rotating block (10) is provided with a rotating shaft (1002) and a positioning shaft (1003), the rotating shaft (1002) penetrates through the rotating hole (1302) on the reference rod frame (13), the positioning shaft (1003) penetrates through the positioning hole (1201) on the gasket (12), the locking threaded hole (1101) on the nut (11) is matched with a locking thread on the reference rotating block (10) to be pressed to enable the reference rotating block (10), the nut (11), the gasket (12) and the reference rod frame (13) to form damped rotating connection, and the reference rod frame (13) is provided with a jack (1301) to be matched with a bolt (104) on the bone cutting device (1) to form detachable fixed connection; when the device is used, the alignment reference device, the guide osteotomy device and the knee protection block (6) are connected into a whole and placed at the proximal end of the tibia, after being positioned by a Kirschner wire or electrically through confirmation, 1-2 screws (14) are installed on the knee protection block (6), the knee protection block (6) is fixed on the tibia, the alignment reference device is removed, the tibia guide positioning osteotomy is carried out through the osteotomy groove (103), the guide osteotomy device is removed after osteotomy, the connecting rod (8) is inserted into the first rod hole (604) and the second rod hole (903) on the knee protection block (6) and at least 2 fixing blocks (9) to form sliding connection, the first locking structure (605) is screwed down to enable the connecting rod (8) and the knee protection block (6) to form fixed connection, one screw is then placed in one fixing block (9), the second locking structure (901) is not screwed down, the osteotomy angle is corrected by using an instrument in the operation, and finally the other screws (14) and the second locking structure (901) are respectively placed into the screws (7) to form two sections of the fixed object after the tibia is fixed.
2. The tibial high guide osteotomy internal fixation device of claim 1, wherein the locating threaded hole (602) is adapted to receive a screw (14) after the osteotomy is completed.
3. The tibia high-level guiding osteotomy orthopedic internal fixation device according to claim 1, wherein the knee protecting block (6) is provided with a bulge (601), a long screw (7) can be installed in a screw hole on the bulge (601), the length of the long screw (7) can penetrate through tibia cortex at two ends after osteotomy, and stability of fixation at two ends of contralateral osteotomy is enhanced.
4. The tibia high-level guiding osteotomy internal fixation device according to claim 1, wherein the guide sleeve (5) is provided with a first protrusion (502) and a second protrusion (503) which are matched with the groove (101) on the osteotomy device (1) and the groove (606) on the knee protecting block (6) to prevent the osteotomy device (1), the alignment reference rod (2) and the guide sleeve (5) from rotating, so as to play a role in positioning.
5. The tibia high-level guiding osteotomy internal fixation device as in claim 1, wherein the spacer (12) is provided with a reference pointer (1202) and the reference bar (13) is provided with an angle scale (1303).
6. The tibia high-level guiding osteotomy orthopedic internal fixation device according to claim 1, wherein the catheter lock (3) and the catheter (4) are provided with anti-slip teeth which facilitate manual rotation locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316211.1A CN113520518B (en) | 2020-04-21 | 2020-04-21 | Tibia high-position guiding osteotomy orthopedic internal fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316211.1A CN113520518B (en) | 2020-04-21 | 2020-04-21 | Tibia high-position guiding osteotomy orthopedic internal fixing device |
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| Publication Number | Publication Date |
|---|---|
| CN113520518A CN113520518A (en) | 2021-10-22 |
| CN113520518B true CN113520518B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010316211.1A Active CN113520518B (en) | 2020-04-21 | 2020-04-21 | Tibia high-position guiding osteotomy orthopedic internal fixing device |
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| CN113520518A (en) | 2021-10-22 |
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