CN113855271A - Tibia marrow external force line adjusting device - Google Patents
Tibia marrow external force line adjusting device Download PDFInfo
- Publication number
- CN113855271A CN113855271A CN202111144522.5A CN202111144522A CN113855271A CN 113855271 A CN113855271 A CN 113855271A CN 202111144522 A CN202111144522 A CN 202111144522A CN 113855271 A CN113855271 A CN 113855271A
- Authority
- CN
- China
- Prior art keywords
- adjusting block
- block
- rod
- force line
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- A61B90/10—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 for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
-
- 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
- A61B17/16—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
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1764—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee
-
- 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
- A61B2017/564—Methods for bone or joint treatment
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dentistry (AREA)
- Neurosurgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The application relates to a tibia marrow external force line adjusting device, which belongs to the technical field of medical instruments and comprises a tibia osteotomy guider, a telescopic rod, an ankle holding device and an adjusting component; the adjusting assembly comprises an upper adjusting block and a lower adjusting block, one end of the upper adjusting block is connected with one end of the lower adjusting block, the upper adjusting block can swing on the lower adjusting block, the other end of the upper adjusting block is connected with the tibia osteotomy guider, the other end of the lower adjusting block is connected with one end of the telescopic rod, and the other end of the telescopic rod is connected with the ankle embracing device; the adjusting component is provided with an adjusting part, and the adjusting part is used for adjusting the rotating angle of the upper adjusting block relative to the lower adjusting block. This application has the effect that carries out accurate angular adjustment to the inside and outside angle of turning over of shin bone power line.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a tibia marrow external force line adjusting device.
Background
The tibial osteotomy guide is an important guiding and positioning device in a tibial osteotomy operation, and the tibial osteotomy guide needs to be aligned with an osteotomy part before the operation so as to determine an osteotomy position. The varus angle of the tibia refers to the proximal lateral angle of the anatomical tibia, i.e., the included angle formed by the axial line of the upper section of the tibial shaft and the tangent line (joint line) of the tibial plateau at the lateral side of the knee joint. The proximal tibia end is the end of the tibia remote from the ankle joint.
In the knee joint replacement operation, the traditional marrow external force line positioning rod carries out bone cutting positioning operation on the tibia, the tibia cutting guider can be positioned in the operation through the marrow external force line positioning rod, proper angle positioning is carried out according to the angle of the lower limb force line of a person, and the lower limb force line is the axis passing through the center of a hip joint, the center of a knee joint and the center of an ankle joint.
The integrative shin bone cutting director that sets up in top of traditional marrow external force line locating lever, the bottom of traditional marrow external force line locating lever sets up simultaneously embraces the ankle ware, embraces the ankle ware and can remove traditional marrow external force line locating lever relatively to adjust the position that the shin bone cutting director is for the shin bone, adjust the angle of turning up in this to a certain extent. But different patients 'the actual inclination of shin bone is different, and traditional marrow external force line locating lever has certain angular deviation for most shin bones, causes the shin bone to cut the bone director and can not be fit for the inclination of most shin bones completely, leads to the angle of turning inside and outside to have the deviation, makes the shin bone cut the bone director and can not laminate and support the shin bone accurately, can't satisfy the accurate demand to the angle in the kinematics knee joint replacement operation.
Disclosure of Invention
In order to carry out accurate angular adjustment to the enstrophe angle of shin bone power line, this application provides a shin bone extramedullary power line adjusting device.
The application provides a shin bone marrow external force line adjusting device adopts following technical scheme:
a tibia marrow external force line adjusting device comprises a tibia osteotomy guider, a telescopic rod, an ankle holding device and an adjusting component;
the adjusting assembly comprises an upper adjusting block and a lower adjusting block, one end of the upper adjusting block is connected with one end of the lower adjusting block, the upper adjusting block can swing on the lower adjusting block, the other end of the upper adjusting block is connected with the tibia osteotomy guider, the other end of the lower adjusting block is connected with one end of the telescopic rod, and the other end of the telescopic rod is connected with the ankle embracing device;
the adjusting component is provided with an adjusting part, and the adjusting part is used for adjusting the rotating angle of the upper adjusting block relative to the lower adjusting block.
Through adopting above-mentioned technical scheme, when using this device, earlier carry out the centre gripping through embracing the ankle joint of ankle ware with the patient, adjust the length of telescopic link and make the central point of shin bone osteotomy director put the near-end of aiming at the shin bone, adjusting part turns over the angle and adjusts inside and outside the shin bone osteotomy director to the angle is turned over inside and outside the shin bone is adjusted. The adjustment component can adjust the angle of the upper adjustment block relative to the lower adjustment block, thereby adjusting the angle of the tibial osteotomy guide. Because the upper adjusting block and the lower adjusting block have certain distance with the tibia osteotomy guider, the length of the lower limb force line of a patient can not influence the adjustment of the varus angle and the valgus angle.
Optionally, a rectangular bottom groove is formed in one end of the upper adjusting block, the bottom of the bottom groove is an arc surface, and one end of the lower adjusting block is inserted into the bottom groove;
the end surface of the lower adjusting block close to the bottom of the bottom groove is also provided with an arc surface and is used for supporting the bottom of the bottom groove, and two groove walls of the bottom groove, which are vertical to the axis of the arc surface of the bottom groove, clamp two side surfaces of the lower adjusting block;
the adjusting part comprises a knob, a driving rod and a locking piece, and the driving rod is fixed on one side of the knob, which is close to the upper adjusting block;
the upper adjusting block is provided with a rod hole for the insertion of the driving rod, the locking piece is used for penetrating the knob, and one end of the locking piece extends out of the knob and is connected with the lower adjusting block.
Through adopting above-mentioned technical scheme, the one end of regulating block down is the cambered surface, and the tank bottom surface of kerve also is the cambered surface, and the tank bottom cambered surface of kerve can slide along the cambered surface of regulating block down, rotates the knob, and the knob drives the actuating lever and rotates, and the actuating lever drives the regulating block and rotates to adjust the angle of going up the regulating block for regulating block down, adjust and accomplish the back and will go up the regulating block and fix with the regulating block down through the retaining member. Two groove walls of the bottom groove clamp two side surfaces of the lower adjusting block, so that the stability of the upper adjusting block in rotation is improved.
Optionally, the driving rod is provided with a limiting portion, and a limiting groove matched with the limiting portion is formed in the hole wall of the rod hole.
Through adopting above-mentioned technical scheme, spacing portion on the actuating lever cooperates with the spacing groove on the pole hole, has reduced the actuating lever and has taken place the relative pivoted possibility with last regulating block to increase the actuating lever and drive the accuracy that the regulating block swung together.
Optionally, one end of the upper adjusting block is provided with a rectangular bottom groove, the bottom of the bottom groove is an arc surface, one end of the lower adjusting block is also provided with an arc surface for supporting the bottom of the bottom groove, and one end of the lower adjusting block is rotatably connected with the bottom groove;
the adjusting part comprises a knob, a driving rod and a locking piece, and the driving rod is fixed on one side of the knob, which is close to the upper adjusting block;
the other end fixed connection of actuating lever is in on the regulating block, the retaining member is used for wearing to establish on the knob, and one end stretches out the knob with the regulating block links to each other down.
Through adopting above-mentioned technical scheme, the one end of regulating block down is the cambered surface, and the tank bottom surface of kerve also is the cambered surface, and the tank bottom cambered surface of kerve can slide along the cambered surface of regulating block down, and the one end of actuating lever is fixed on the knob, and the other end and the last regulating block of actuating lever are fixed, rotate the knob, and the knob drives the actuating lever and rotates, and the actuating lever drives the regulating block and rotates. The driving rod is fixed with the upper adjusting block, so that the driving rod can drive the upper adjusting block to rotate conveniently. The retaining member runs through the knob to be connected with lower regulating block, the retaining member is fixed with last regulating block and lower regulating block.
Optionally, an indication plate arranged in parallel with the lower adjustment block is arranged on one side of the lower adjustment block, the bottom end of the indication plate is fixed to the lower adjustment block, and a slot is formed between the indication plate and the lower adjustment block;
when the lower adjusting block is inserted into the bottom groove, one side wall of the upper adjusting block is positioned in the inserting groove, and the indicating plate and the lower adjusting block clamp the side wall of the upper adjusting block positioned in the inserting groove;
go up regulating block top orientation one side of indicator board is fixed with the bulge, the bulge is located the top of indicator board, the bulge is close to one side of indicator board is the cambered surface, the indicator board is close to one side of bulge be with the cambered surface of the cambered surface looks adaptation of indicator board, offer the confession on the indicator board the removal hole of actuating lever wobbling rectangular shape, set up the scale mark on the bulge, be provided with the scale indicating line on the indicator board.
Through adopting above-mentioned technical scheme, the indicator board presss from both sides the lateral wall that lies in the last regulating block of slot with lower regulating block clamp, has reduced the regulating block and has taken place pivoted possibility when not having external force, goes up the regulating block top and is fixed with the bulge towards one side of indicator board, and the top of indicator board contacts with the bottom of bulge, and the indicator board plays the effect of support to bulge and last regulating block, makes and goes up the regulating block more stable. Set up the removal hole of rectangular shape on the indicator board, the swing of actuating lever when the removal hole of rectangular shape is rotated for the knob gives way the space, when going up the regulating block and rotating, the indicator board indicates out the scale of scale mark, makes things convenient for operating personnel to carry out the accuse to turned angle.
Optionally, a dovetail-shaped sliding rail is arranged at one end of the ankle embracing device close to the telescopic rod, a connecting rod is arranged at one end of the ankle embracing device, and the telescopic rod is connected with the connecting rod in a sliding manner;
the one end that the connecting rod is close to the ankle ware be fixed with slide rail sliding connection's slider, be provided with the check lock lever on the connecting rod, the check lock lever is close to the one end of slide rail runs through the connecting rod and support tightly the slide rail, check lock lever and connecting rod threaded connection, the check lock lever is kept away from the one end of slide rail is fixed with the adjusting knob.
Through adopting above-mentioned technical scheme, not hard up adjusting button, the one end that the check lock lever is close to the slide rail breaks away from with the slide rail, and the ankle ware can take place relative slip with the slider to carry out the coarse adjustment to the angle of turning inside and outside of shin bone osteotomy director, adjust the completion back, screw up the adjusting button, the one end that the check lock lever is close to the slide rail supports the slide rail tightly, thereby is fixed slider and ankle ware.
Optionally, the telescopic rod comprises a force line adjusting rod and a force line sleeve sleeved outside the force line sleeve rod, the force line adjusting rod is fixed to the lower adjusting block, and a first locking wrench is fixed to the top end of the force line sleeve;
the first locking wrench comprises a locking block and a rotating handle, the bottom end of the locking block is fixed to the top end of the force line sleeve, a through hole is formed in the locking block, the force line adjusting rod penetrates through the through hole, a containing groove communicated with the through hole is formed in the side wall of the locking block, one end of the rotating handle is rotatably connected with the upper groove wall and the lower groove wall of the containing groove, and one end of the rotating handle, close to the through hole, abuts against the outer wall of the force line adjusting rod.
Through adopting above-mentioned technical scheme, when adjusting the length of telescopic link, rotatory rotation handle makes to rotate one side that the handle is close to the line of force regulation pole and breaks away from with the outer wall of line of force regulation pole, adjusts the telescopic length of line of force regulation pole extension line of force, adjusts good back, and rotatory rotation handle supports the line of force regulation pole tightly through rotating the handle to it is fixed with line of force regulation pole and line of force sleeve. Fix the telescopic link through locking spanner, conveniently adjust the length of telescopic link.
Optionally, one end of the telescopic rod, which is far away from the tibia osteotomy guide, is fixed with a second locking wrench, the structure of the second locking wrench is the same as that of the first locking handle, and the connecting rod penetrates through a through hole of the second locking wrench.
Through adopting above-mentioned technical scheme, need adjust telescopic link and patient's horizontal distance according to patient's difference in the operation, open second locking spanner promptly, the telescopic link can remove along the length direction of connecting rod to adjust the position of shin bone osteotomy director, pass through the relative position of the fixed telescopic link of second locking spanner and connecting rod once more, make the shin bone osteotomy director support the shin bone near-end.
Optionally, the ankle embracing device comprises a mounting seat, a first clamping part and a second clamping part, wherein the first clamping part and the second clamping part are located on the same side of the mounting seat and symmetrically arranged about the central line of the mounting seat, the first clamping part is close to one end of the mounting seat and is hinged to the mounting seat, a connecting block is fixed on the first clamping part, a tension spring connecting the first clamping part and the second clamping part is arranged between the mounting seat and is connected with the mounting seat, the second clamping part is connected with the mounting seat in a manner the same as that of the first clamping part and that of the mounting seat, one side of the mounting seat far away from the first clamping part and the second clamping part is fixedly connected with the sliding rail, one end of the mounting seat far away from the first clamping part and one end of the mounting seat far away from the second clamping part are provided with connecting holes.
Through adopting above-mentioned technical scheme, when carrying out the centre gripping to patient's ankle joint through embracing the ankle ware, will remove first clamping part and second clamping part to the direction of keeping away from each other earlier, then make patient's ankle joint arrange in between first clamping part and the second clamping part, loosen first clamping part and second clamping part, first clamping part and second clamping part press from both sides tight patient's ankle joint under the effect of extension spring separately. When the patient is fat, first clamping part and second clamping part can not be to the fine centre gripping of ankle joint, at this moment, need pass the connecting hole on first clamping part and the second clamping part with rubber band or rope, and it is fixed with first clamping part and second clamping part, improve the stability of embracing the ankle ware.
Optionally, a waist-shaped hole is formed in one end, close to the support, of the upper adjusting block, a waist-shaped block inserted into the waist-shaped hole is fixed at one end, close to the upper adjusting block, of the support, and the waist-shaped block is in interference fit with the waist-shaped hole;
the tibia osteotomy guide is provided with a connecting groove, one end of the bracket close to the tibia osteotomy guide is inserted into the bottom of the connecting groove, and the bracket is provided with a fixing component for fixing the tibia osteotomy guide;
through adopting above-mentioned technical scheme, waist type piece is interference fit with waist type hole, guarantees waist type piece and the joint strength of last regulating block and the stability of being connected, and the support is close to the bottom that the spread groove was inserted to the one end of shin bone osteotomy director to it is fixed with the support to cut the shin bone osteotomy director through fixed subassembly.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by using the adjusting device, the accurate adjustment of the internal and external tibial valgus angle in the operation can be met, thereby helping to realize good kinematic alignment and reducing the normal movement of the knee joint of a patient as much as possible;
2. the two groove walls of the bottom groove clamp two side surfaces of the lower adjusting block, so that the stability of the upper adjusting block during rotation is improved, the limiting part on the driving rod is matched with the limiting groove on the rod hole, the possibility that the driving rod and the upper adjusting block rotate relatively is reduced, and the accuracy that the driving rod drives the upper adjusting block to swing together is improved;
3. the waist-shaped block and the waist-shaped hole are in interference fit, so that the connection strength and the connection stability of the waist-shaped block and the upper adjusting block are ensured.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application.
Fig. 2 is a schematic view of an ankle apparatus embodying the first embodiment of the present application.
FIG. 3 is a schematic view of a locking bar and groove embodying one embodiment of the present application.
Fig. 4 is a schematic view of a telescopic rod according to an embodiment of the present application.
FIG. 5 is a schematic view of a locking wrench embodying the first embodiment of the present application.
FIG. 6 is a schematic view of an upper and lower adjustment block in accordance with an embodiment of the present application.
Fig. 7 is a schematic view of an insertion block and a bottom groove according to an embodiment of the present application.
Fig. 8 is a schematic view of a moving aperture and a driving rod in accordance with an embodiment of the present invention.
Fig. 9 is a schematic diagram of a first jack and a second jack in a first embodiment of the present application.
FIG. 10 is a schematic view of a fixing assembly embodying one embodiment of the present application.
Description of reference numerals: 1. an ankle holding device; 11. a mounting seat; 111. an upper mounting plate; 112. a lower mounting plate; 113. a connecting plate; 114. hinging a shaft; 12. a first clamping portion; 121. connecting blocks; 122. a tension spring; 123. connecting holes; 13. a second clamping portion; 2. a telescopic rod; 21. a force line adjusting rod; 22. a force line sleeve; 3. a support; 31. a waist-shaped block; 32. mounting grooves; 33. accommodating grooves; 34. a first jack; 4. a tibial osteotomy guide; 41. connecting grooves; 42. a second jack; 5. an adjustment assembly; 51. an upper adjusting block; 511. a bottom groove; 512. a rod hole; 513. a kidney-shaped hole; 514. lightening holes; 515. a projection; 52. a lower adjustment block; 521. an indicator panel; 5211. a moving hole 53, an adjusting member; 531. a knob; 532. a drive rod; 533. locking the screw; 6. a slide rail; 61. a slider; 62. a connecting rod; 63. a groove; 64. a locking lever; 65. an adjusting knob; 7. a first locking wrench; 71. a locking block; 711. a through hole; 712. a containing groove; 72. rotating the handle; 721 deformation groove; 8. a fixing assembly; 81. ejecting the head; 82. a button; 83. inserting a rod; 9. a second locking wrench.
Detailed Description
The present application is described in further detail below with reference to figures 1-10.
Example one
The embodiment of the application discloses a tibia marrow external force line adjusting device. Referring to fig. 1, the adjusting device comprises an ankle embracing device 1 and a telescopic rod 2, wherein the ankle embracing device 1 is used for clamping the ankle joint of a patient. Embrace ankle ware 1 and be connected with the one end of telescopic link 2, the telescopic link 2 is kept away from the one end of embracing ankle ware 1 and is connected with support 3, and the one end that telescopic link 2 was kept away from to support 3 is connected with shin bone and cuts bone director 4, is provided with between support 3 and the telescopic link 2 and is connected adjusting part 5 between them, and adjusting part 5 is used for adjusting the shin bone and cuts the angle of turning over inside and outside of bone director 4.
Referring to fig. 1 and 2, the ankle embracing device 1 includes a mounting seat 11, a first clamping portion 12 and a second clamping portion 13, wherein the first clamping portion 12 and the second clamping portion 13 are located on the same side of the mounting seat 11 and are symmetrically disposed at two ends of the mounting seat 11.
Referring to fig. 3, the mounting base 11 includes an upper mounting plate 111 and a lower mounting plate 112, the upper mounting plate 111 and the lower mounting plate 112 are disposed opposite to each other in a vertical direction and in parallel, and a connecting plate 113 is fixed between the upper mounting plate 111 and the lower mounting plate 112.
One end of the first clamping portion 12 is located between the upper mounting plate 111 and the lower mounting plate 112, the same hinge shaft 114 is arranged on the upper mounting plate 111, the first clamping portion 12 and the lower mounting plate 112 in a penetrating mode, two ends of the hinge shaft 114 are fixedly connected with the upper mounting plate 111 and the lower mounting plate 112 respectively, and the first clamping portion 12 is rotatably connected with the hinge shaft 114. The second clamping portion 13 is connected to the mounting seat 11 in the same manner as the first clamping portion 12 is connected to the mounting seat 11.
The first clamping portion 12 is an arc-shaped plate, the first clamping portion 12 and the second clamping portion 13 are identical in structure, and the middle position of the first clamping portion 12 and the middle position of the second clamping portion 13 protrude in the direction away from each other. Connecting blocks 121 are fixed on the sides, away from each other, of the first clamping portion 12 and the second clamping portion 13, a tension spring 122 is arranged between the connecting blocks 121 and the upper mounting plate 111, one end of the tension spring 122 is hooked on the upper mounting plate 111, and the other end of the tension spring 122 is hooked on the top end of the connecting blocks 121. In order to facilitate the force applied by the tension spring 122, the top surface of the connecting block 121 and the top surface of the upper mounting plate 111 are located on the same plane.
Referring to fig. 2 and 3, the side surfaces of the upper and lower mounting plates 111 and 112 located between the first and second clamping portions 12 and 13 are arc-shaped surfaces, which are curved toward the direction close to the connection plate 113. Before operation, the arc surface of the lower mounting plate 112 and the arc surface of the upper mounting plate 111 abut against the ankle.
When needs carry out the shin bone osteotomy operation to the patient, remove first clamping part 12 and second clamping part 13 to the direction of keeping away from each other earlier, make patient's ankle joint be located between first clamping part 12 and the second clamping part 13 to patient's shin bone distal end closely pastes the arcwall face of upper mounting plate 111 and lower mounting plate 112, and the shin bone distal end is the one end that the shin bone is close to the ankle joint. The first and second clamping portions 12 and 13 approach each other and tighten the ankle joint of the patient by the respective tension springs 122.
Connecting holes 123 are formed in one end, far away from the mounting seat 11, of the first clamping portion 12 and one end, far away from the mounting seat 11, of the second clamping portion 13. When meetting fat patient, because the restriction of first clamping part 12 and the 13 sizes of second clamping part, embrace ankle ware 1 and can not surround whole ankle joint betterly, so the accessible wears to establish the mode of leather sheath or rope in two connecting holes 123 and connects the one end that mount pad 11 was kept away from to first clamping part 12 and the one end that mount pad 11 was kept away from to second clamping part 13, makes and embraces ankle ware 1 and surrounds whole ankle joint, improves the stability of embracing ankle ware 1.
Referring to fig. 2 and 3, a dovetail-shaped slide rail 6 is fixed to one side of the connecting plate 113 away from the first clamping portion 12 and the second clamping portion 13, a slide block 61 connected with the slide rail 6 in a sliding manner is arranged on the slide rail 6, a connecting rod 62 is fixed to one end, away from the mounting seat 11, of the slide block 61, the connecting rod 62 is connected with the telescopic rod 2, and the cross section of the connecting rod 62 is square. One side of the slide rail 6, which is opposite to the connecting rod 62, is provided with a groove 63. Connecting rod 62 is hollow pole, and inside wears to be equipped with locking lever 64, and the one end of locking lever 64 stretches out connecting rod 62 and plug in recess 63, and the other end of locking lever 64 stretches out connecting rod 62 equally and is fixed with adjusting knob 65, and locking lever 64 and connecting rod 62 threaded connection.
When the position of ankle embracing device 1 for slider 61 needs to be adjusted, twist earlier and move adjusting knob 65, check lock lever 64 rotates, check lock lever 64 breaks away from with slide rail 6 near the one end of slide rail 6, slider 61 can remove along slide rail 6 this moment, embrace ankle ware 4 and remove along with slide rail 6 is relative slider 6, after adjusting the position of embracing ankle ware 1, screw down check lock lever 64, the diapire of spout 63 is supported to the one end that check lock lever 64 is close to slide rail 6, thereby it is fixed with slide rail 6 with slider 61. Because the slider 61 is fixed with the connecting rod 62, and the connecting rod 62 is connected with the telescopic link 2, and the telescopic link 2 is connected with the shin bone osteotomy guider 4, so adjust the position of embracing ankle ware 1 for slider 61, can adjust the position of embracing ankle ware 1 for shin bone osteotomy guider 4 to can roughly adjust the angle of turning inside and outside of shin bone osteotomy guider 4.
Referring to fig. 4, the telescopic rod 2 includes a force line adjusting rod 21 and a force line sleeve 22, the force line sleeve 22 is sleeved on the force line adjusting rod 21, and the force line adjusting rod 21 slides only along the length direction of the force line sleeve 22. The length of the force line adjustment rod 21 extending out of the force line sleeve 22 can be adjusted according to the actual leg length of different patients. The top end of the force line sleeve 22 is connected with a first locking wrench 7, and the force line adjusting rod 21 and the force line sleeve 22 are fixed by the first locking wrench 7. The bottom end of the force line sleeve 22 is connected with a second locking wrench 9, the connecting rod 62 penetrates through the second locking wrench 9, the telescopic rod 2 can move along the length direction of the connecting rod 62, and the connecting rod 62 and the force line sleeve 22 are fixed through the second locking wrench 9.
The horizontal distance of the tibial osteotomy guide 4 relative to the ankle device 1 needs to be adjusted according to different patients in the operation. When adjusting the horizontal distance of embracing ankle ware 1 relative shin bone cutting guider 4, telescopic link 2 removes along the length direction of connecting rod 62 to adjust the position of shin bone cutting guider 4, make shin bone cutting guider 4 support the shin bone near-end, then through the rigidity of second lock spanner 9 with telescopic link 2.
The second locking wrench 9 has the same configuration as the first locking wrench 7, and the first locking wrench 7 will be described as an example. Referring to fig. 4 and 5, the locking wrench 7 includes a locking block 71 made of a rigid material and a rotating handle 72, the locking block 71 is fixed at the top end of the force line sleeve 22, a through hole 711 in a vertical direction is formed in the locking block 71, and one end of the force line adjusting rod 21 away from the force line sleeve 22 extends out of the through hole 711.
The locking block 71 is provided with a transverse containing groove 712, the containing groove 712 is communicated with the through hole 711, one end of the rotating handle 72 is positioned in the containing groove 712, and the rotating handle 72 is rotatably connected with the upper groove wall and the lower groove wall of the containing groove 712 through a pin shaft. One end of the rotating handle 72 close to the through hole 711 is provided with a deformation groove 721, a part of the circumferential surface of the force line adjusting rod 21 along the axial direction is a plane, the plane is located on one side of the force line adjusting rod 21 close to the rotating handle 72, and the rest part is an arc surface. In order to prevent the force line adjusting rod 21 from rotating relative to the force line sleeve 22, the shape of the cavity of the force line sleeve 22 is adapted to the shape of the force line adjusting rod 21, and the rotating handle 72 is provided with a pressing plane for pressing against the plane of the force line adjusting rod 21.
When the rotating handle 72 is rotated and the rotating handle 72 abuts against the plane of the force line adjusting lever 21, due to the deformation slot 721, one end of the rotating handle 72 close to the force line adjusting lever 21 has a certain deformation capability and abuts against the force line adjusting lever 21.
The force line sleeve 22 and the force line adjusting rod 21 are matched for use, and the height of the osteotomy guider 4 can be adjusted by adjusting the extension length of the force line adjusting rod 21, so that the tibial osteotomy guider 4 corresponds to the position needing osteotomy. The force line adjusting rod 21 and the force line sleeve 22 can be locked through the locking wrench 7, and the telescopic stability is guaranteed.
The adjusting assembly 5 comprises an upper adjusting block 51 and a lower adjusting block 52, the lower adjusting block 52 is fixed with one end of the force line adjusting rod 21 far away from the force line sleeve 22, and the upper adjusting block 51 is connected with the bracket 3.
Referring to fig. 6 and 7, a bottom groove 511 is formed at one end of the upper adjusting block 51 away from the bracket 3, the top end of the lower adjusting block 52 is inserted into the bottom groove 511, an indicating plate 521 is disposed at one side of the lower adjusting block 52,
the bottom end of the indicating plate 521 is fixed with the bottom end of the lower adjusting block 52, and the upper end of the indicating plate 521 is parallel to and spaced from the upper end of the lower adjusting block 52, and the spacing is a slot. When one end of the lower adjusting block 52 is inserted into the bottom slot 511 of the upper adjusting block 51, one side wall of the upper adjusting block 51, which is located at one side of the bottom slot 511, is simultaneously inserted into the slot, and the indicating plate 521 and the lower adjusting block 52 clamp the side wall of the upper adjusting block 51, so that the stability of the upper adjusting block 51 is improved.
The lower adjusting block 52 is in inserting fit with the bottom groove 511, the bottom of the bottom groove 511 is an arc surface, and the end surface of one end of the lower adjusting block 52 inserted in the bottom groove 511 is also an arc surface. The arc of the lower adjustment block 52 is adapted to the arc in the bottom slot 511 and the lower adjustment block 52 is supported on the bottom of the bottom slot 511. One end of the lower adjusting block 52 inserted into the bottom groove 511 can relatively rotate along the arc surface of the bottom groove 511, and two side surfaces of the lower adjusting block 52 are clamped by two side surfaces parallel to the indicating plate 521 in the bottom groove 511, so that the upper adjusting block 51 is not easy to shake, and the stability of the upper adjusting block 51 is improved. The arc of the arc surface of the bottom slot 511 is larger than that of the top surface of the lower adjusting block 52.
Referring to fig. 7, in this embodiment, the arc surface of the bottom groove 511 protrudes to the side away from the opening of the bottom groove 511. The arc surface of the bottom slot 511 may also protrude towards the opening side of the bottom slot 511, and at this time, the top end of the lower adjusting block 52 is a concave arc surface matched with the bottom arc surface of the bottom slot.
Referring to fig. 7 and 8, the adjusting assembly 5 is provided with an adjusting part 53, the adjusting part 53 includes a cylindrical knob 531, a locking member and a driving rod 532, the locking member is a locking screw 533, the knob 531 is located on one side of the indicating plate 521 far away from the lower adjusting block 52, a jack is formed in the center of the knob 531, and one end of the locking screw 533 is inserted into the jack of the knob 531. One end of the locking screw 533 passes through the knob 531 and the indicating plate 521 in turn and is in threaded connection with the lower adjusting block 52.
Referring to fig. 8 and 9, the driving rod 532 is fixed on a side of the knob 531 opposite to the upper adjusting block 51, a bar-shaped moving hole 5211 for the driving rod 532 to swing is formed on a side of the indicating plate 521 close to the knob 531, and a rod hole 512 is formed on a side of the upper adjusting block 51 close to the knob 531. One end of the driving rod 532, which is far away from the knob 531, penetrates through the moving hole 5211 and is in plug-in fit with the rod hole 512, and the driving rod 532 is in interference fit with the rod hole 512. When the knob 533 is turned, the driving lever 532 can swing in the moving hole 5211, and the driving lever 532 swings the upper regulation block 51. After the locking screw 533 is screwed, one end of the driving rod 521, which is far away from the knob 531, abuts against the upper adjusting block 51, so that the friction between the upper adjusting block 51 and the driving rod 521, and between the upper adjusting block 51 and the lower adjusting block 52, is increased, and the upper adjusting block 51 and the lower adjusting block 52 are fixed.
In order to improve the stability between the driving rod 532 and the upper adjusting block 51, a limiting part (not shown in the figure) can be fixed on the driving rod 532, a limiting groove is formed in the hole wall of the rod hole 512, and the limiting part is in plug-in fit with the limiting groove, so that the upper adjusting block 51 is kept stationary relative to the driving rod 532, the accuracy of the rotating angle of the upper adjusting block 51 is improved, the connecting strength between the driving rod 532 and the rod hole 512 is improved, and the angle of the upper adjusting block 51 can be conveniently adjusted.
The top of indicator plate 521 is equipped with the bulge 515 of fixing at last regulating block 51, and the bottom of bulge 515 is the cambered surface, and the top of indicator plate 521 and the bottom cambered surface looks adaptation of bulge 515. The convex part 515 is provided with a graduation line, the range value of the graduation line is +/-10 degrees, the 0 graduation is arranged in the middle of the graduation line, and the middle of the indicating plate 521 is provided with an indicating line. The upper adjustment block 51 is rotatable about the center line of the locking screw 533.
When the internal and external turning angle of the tibial osteotomy guide 4 needs to be adjusted, the locking screw 533 is firstly unscrewed, then the knob 531 is rotated, the driving rod 532 rotates around the center of the locking screw 533, meanwhile, the driving rod 532 drives the upper adjusting block 51 to swing, and the upper adjusting block 51 drives the tibial osteotomy guide 4 to swing. After adjustment is completed, the locking screw 533 is tightened, thereby fixing the position of the tibial osteotomy guide 4.
Go up and seted up waist type hole 513 on the regulating block 51, the one end of keeping away from shin bone osteotomy guider 4 of support 3 is fixed with waist type piece 31, and waist type piece 31 is pegged graft with waist type hole 513, and waist type piece 31 and waist type hole 513 interference fit have improved waist type piece 31 and the stability of being connected of last regulating block 51. In order to reduce the weight of the upper adjusting block 51, three lightening holes 514 are formed on the upper adjusting block 51.
Referring to fig. 9 and 10, the tibial resection guide 4 is provided with a connection groove 41, the top end of the bracket 3 is slidably connected with the connection groove 41, the two sides of the top end of the bracket 3 are provided with mounting grooves 32, and after the top end of the bracket 3 is inserted into the connection groove 41, the groove bottoms of the mounting grooves 32 are in contact with the bottom surface of the tibial resection guide 4.
The groove wall of the connecting groove 41 opposite to the first inserting hole 34 is provided with a second inserting hole 42, and when the bracket 3 is completely matched with the tibial osteotomy guide 4 in an inserting mode, the axes of the first inserting hole 34 and the second inserting hole 42 are overlapped.
The push button 82 is located on one side of the top 81 far away from the insertion rod 83, and is rotatably connected with the push button 82 and the groove wall of the accommodating groove 33, one end of the push button 82 can abut against the top 81, and the insertion rod 83 can penetrate through the first insertion hole 34 and be inserted into the second insertion hole 42. When the tibia osteotomy guide 4 is connected with the bracket 3, the top end of the bracket 3 is firstly in sliding insertion with the connecting groove 41 of the tibia osteotomy guide 4, then the button 82 is pressed, one end, close to the top 81, of the button 82 abuts against the top 81, the inserting rod 83 on the top 81 slides along the first inserting hole 34 and is inserted into the second inserting hole 42, at the moment, one side, far away from the button 82, of the top 81 abuts against the groove wall, far away from the button 82, of the accommodating groove 33, and therefore the tibia osteotomy guide 4 and the bracket 3 are fixed.
Different patients have slight differences in tibial morphology, so tibial resection guides 4 with different retroversion angles are required, and currently, the tibial resection guides 4 are divided into three types, namely tibial resection guides 4 with retroversion angles of 0 °, 3 ° and 5 °. The tibia osteotomy guider 4 is provided with a nail hole, so that a nail can be conveniently nailed into the bone of a patient, and the adjusting device is fixed.
The implementation principle of the tibia marrow external force line adjusting device provided by the embodiment of the application is as follows: when the adjusting device is used, the knee joint of a patient is bent by 90 degrees, the ankle joint is clamped through the ankle holding device 1, the central position of the tibial osteotomy guide device 4 is aligned to the proximal end of the tibia, then the position of the ankle holding device 1 relative to the sliding block 6 is adjusted, and the internal and external turning angle of the tibial osteotomy guide device 4 is roughly adjusted.
Then, the knob 531 is adjusted to precisely adjust the tibial osteotomy guide 4, and the varus-valgus angle of the tibia is determined according to actual conditions. Then, the front and back positions of the telescopic rod 2 are adjusted according to the force line of the tibia, and the telescopic rod 2 moves along the length direction of the connecting rod 62, so that the tibia osteotomy guide 4 can better support the proximal end of the tibia. Then, the selection of the tibial osteotomy guide 4 is carried out according to the actual situation of the patient, and the selection of 0 degrees, 3 degrees and 5 degrees can be carried out.
The tibia valgus angle is adjusted by using the adjusting component 5, and the distance between the tibia osteotomy guide 4 and the upper adjusting block 51 is fixed, so that the adjustment of the tibia valgus angle cannot be influenced after the telescopic rod 2 is adjusted. By using the adjusting device, the adjustment of various angles of the tibial force line in the operation can be met, thereby helping to realize good kinematic alignment and reducing the normal motion of the knee joint of a patient as much as possible.
Example two
The difference from the first embodiment is that the end of the driving rod 532 far from the knob 531 is fixedly connected to the upper adjusting block 51. When the upper adjusting block 51 is adjusted, the locking screw 533 is firstly unscrewed, the knob 531 is rotated, the driving rod 532 rotates along with the knob 531, the driving rod 532 swings in the moving hole 5211, the driving rod 532 drives the upper adjusting block 51 to swing, and the tibial osteotomy guider 4 of the upper adjusting block 51 swings, so that the internal and external tilting angles of the tibial osteotomy guider 4 are adjusted. The driving rod 532 is fixed with the upper adjusting block, so that the driving rod 532 drives the upper adjusting block 51 to swing.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a shin bone marrow external force line adjusting device, includes that shin bone cuts bone director (4), telescopic link (2) and embraces ankle ware (1), its characterized in that: also comprises an adjusting component (5);
the adjusting assembly (5) comprises an upper adjusting block (51) and a lower adjusting block (52), one end of the upper adjusting block (51) is connected with one end of the lower adjusting block (52), the upper adjusting block (51) can swing on the lower adjusting block (52), the other end of the upper adjusting block (51) is connected with the tibia osteotomy guide (4), the other end of the lower adjusting block (52) is connected with one end of the telescopic rod (2), and the other end of the telescopic rod (2) is connected with the ankle embracing device (1);
the adjusting assembly (5) is provided with an adjusting part (53), and the adjusting part (53) is used for adjusting the rotating angle of the upper adjusting block (51) relative to the lower adjusting block (52).
2. The tibial extramedullary force line adjustment device of claim 1, wherein: one end of the upper adjusting block (51) is provided with a rectangular bottom groove (511), the bottom of the bottom groove (511) is an arc surface, and one end of the lower adjusting block (52) is inserted into the bottom groove (511);
the end surface of the lower adjusting block (52) close to the bottom of the bottom groove (511) is also provided with an arc surface and is used for supporting the bottom of the bottom groove (511), and two groove walls of the bottom groove (511), which are vertical to the axis of the arc surface of the bottom groove (511), clamp two side surfaces of the lower adjusting block (52);
the adjusting part (53) comprises a knob (531), a driving rod (532) and a retaining piece, and the driving rod (532) is fixed on one side of the knob (531) close to the upper adjusting block (51);
the upper adjusting block (51) is provided with a rod hole (512) for the insertion of the driving rod (532), the retaining member is arranged on the knob (531) in a penetrating manner, and one end of the retaining member extends out of the knob (531) and is connected with the lower adjusting block (52).
3. The tibial extramedullary force line adjustment device of claim 2, wherein: the driving rod (532) is provided with a limiting part, and the hole wall of the rod hole (512) is provided with a limiting groove matched with the limiting part.
4. The tibial extramedullary force line adjustment device of claim 1, wherein: a rectangular bottom groove (511) is formed in one end of the upper adjusting block (51), the bottom of the bottom groove (511) is an arc surface, an arc surface is formed in one end of the lower adjusting block (52) and used for supporting the bottom of the bottom groove (511), and one end of the lower adjusting block (52) is rotatably connected with the bottom groove (511);
the adjusting part (53) comprises a knob (531), a driving rod (532) and a retaining piece, and the driving rod (532) is fixed on one side of the knob (531) close to the upper adjusting block (51);
the other end fixed connection of actuating lever (532) is in on last regulating block (51), the retaining member is used for wearing to establish on knob (531), and one end stretches out knob (531) with regulating block (52) link to each other down.
5. The tibial extramedullary force line adjustment device of any of claims 2-4, wherein: an indicating plate (521) arranged in parallel with the lower adjusting block (52) is arranged on one side of the lower adjusting block (52), the bottom end of the indicating plate (521) is fixed with the lower adjusting block (52), and a slot is formed between the indicating plate (521) and the lower adjusting block (52);
when the lower adjusting block (52) is inserted into the bottom groove (511), one side wall of the upper adjusting block (51) is positioned in the slot, and the indicating plate (521) and the lower adjusting block (52) clamp the side wall of the upper adjusting block (51) positioned in the slot;
go up regulating block (51) top orientation one side of indicator board (521) is fixed with bulge (515), bulge (515) are located the top of indicator board (512), bulge (515) are close to one side of indicator board (521) is the cambered surface, one side that indicator board (521) are close to bulge (515) be with the cambered surface of the cambered surface looks adaptation of indicator board (521), offer the confession on indicator board (521) the removal hole (5211) of the rectangular shape of actuating lever (532) wobbling, set up the scale mark on bulge (515), be provided with the scale indication line on indicator board (521).
6. The tibial extramedullary force line adjustment device of claim 5, wherein: a dovetail-shaped sliding rail (6) is arranged at one end, close to the telescopic rod (2), of the ankle embracing device (1), a connecting rod (62) is arranged at one end of the ankle embracing device (1), and the telescopic rod (2) is connected with the connecting rod (62) in a sliding mode;
one end that connecting rod (62) are close to and embrace ankle ware (1) be fixed with slide rail (6) sliding connection's slider (61), be provided with check lock lever (64) on connecting rod (62), check lock lever (64) are close to the one end of slide rail (6) is run through connecting rod (62) and support tightly slide rail (6), check lock lever (64) and connecting rod (62) threaded connection, check lock lever (64) are kept away from the one end of slide rail (6) is fixed with adjusting knob (65).
7. The tibial extramedullary force line adjustment device of claim 6, wherein: the telescopic rod (2) comprises a force line adjusting rod (21) and a force line sleeve (22) sleeved outside the force line sleeve rod (21), the force line adjusting rod (21) is fixed with the lower adjusting block (52), and a first locking wrench (7) is fixed at the top end of the force line sleeve (22);
first locking spanner (7) include latch segment (71) and rotation handle (72), the bottom of latch segment (71) with the top of line of force sleeve (22) is fixed, through-hole (711) have been seted up on latch segment (71), line of force regulation pole (21) run through-hole (711), set up on the lateral wall of latch segment (71) with hold groove (712) that through-hole (711) communicate, rotate the one end of handle (72) with hold two upper and lower cell walls rotations of groove (712) and be connected, rotation handle (72) are close to the one end of through-hole (711) is supported tightly the outer wall of line of force regulation pole (21).
8. The tibial extramedullary force line adjustment device of claim 7, wherein: one end, far away from the tibia osteotomy guider (4), of the telescopic rod (22) is fixed with a second locking wrench (9), the structure of the second locking wrench (9) is identical to that of the first locking handle (7), and the connecting rod (62) penetrates through a through hole (711) of the second locking wrench (9).
9. The tibial extramedullary force line adjustment device of any of claims 6-8, wherein: the ankle holding device (1) comprises a mounting seat (11), a first clamping part (12) and a second clamping part (13), wherein the first clamping part (12) and the second clamping part (13) are positioned on the same side of the mounting seat (11) and are symmetrically arranged relative to the center line of the mounting seat (11), one end, close to the mounting seat (11), of the first clamping part (12) is hinged to the mounting seat (11), a connecting block (121) is fixed on the first clamping part (12), a tension spring (122) connecting the first clamping part and the second clamping part is arranged between the connecting block (121) and the mounting seat (11), the connection mode of the second clamping part (13) and the mounting seat (11) is the same as that of the first clamping part (12) and the mounting seat (11), one side, far away from the first clamping part (12) and the second clamping part (13), of the mounting seat (11) is fixedly connected with the slide rail (6), connecting holes (123) are formed in one end, far away from the mounting seat (11), of the first clamping portion (12) and one end, far away from the mounting seat (11), of the second clamping portion (13).
10. The tibial extramedullary force line adjustment device of any of claims 2-4, wherein: a support (3) is connected between the upper adjusting block (51) and the tibia osteotomy guide (4), a waist-shaped hole (513) is formed in one end, close to the support (3), of the upper adjusting block (51), a waist-shaped block (31) inserted into the waist-shaped hole (513) is fixed at one end, close to the upper adjusting block (51), of the support (3), and the waist-shaped block (31) is in interference fit with the waist-shaped hole (513);
the tibia osteotomy guide device is characterized in that a connecting groove (41) is formed in the tibia osteotomy guide device (4), one end of the bracket (3) close to the tibia osteotomy guide device (4) is inserted into the bottom of the connecting groove (41), and a fixing component (8) for fixing the tibia osteotomy guide device (4) is arranged on the bracket (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144522.5A CN113855271B (en) | 2021-09-28 | 2021-09-28 | Tibia extramedullary force line adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144522.5A CN113855271B (en) | 2021-09-28 | 2021-09-28 | Tibia extramedullary force line adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113855271A true CN113855271A (en) | 2021-12-31 |
| CN113855271B CN113855271B (en) | 2023-06-30 |
Family
ID=78991918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111144522.5A Active CN113855271B (en) | 2021-09-28 | 2021-09-28 | Tibia extramedullary force line adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113855271B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117958901A (en) * | 2024-03-28 | 2024-05-03 | 天津正天医疗器械有限公司 | Ankle joint prosthesis operation navigator |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160051265A1 (en) * | 2011-12-19 | 2016-02-25 | Zimmer, Inc. | Surgical cutting guide |
| FR3045310A1 (en) * | 2015-12-22 | 2017-06-23 | Medicoscop | DEVICE FOR POSITIONING AT LEAST ONE CUTTING GUIDE FOR THE POSITION OF A TIBIAL IMPLANT AND A FEMORAL IMPLANT |
| US20180353192A1 (en) * | 2017-06-13 | 2018-12-13 | Orthosoft, Inc. | Tibia cutting assembly |
| CN208371848U (en) * | 2017-07-15 | 2019-01-15 | 常州奥斯迈医疗器械有限公司 | Minimally invasive distal femur pulp cavity finder |
| CN109662767A (en) * | 2018-12-26 | 2019-04-23 | 大博医疗科技股份有限公司 | Nearly joint deformity corrects exterior fixing rack |
| CN209220411U (en) * | 2018-10-17 | 2019-08-09 | 嘉思特华剑医疗器材(天津)有限公司 | A kind of fixed separate room knee prosthesis replacement Tibial osteotomy guider |
| CN110477995A (en) * | 2019-08-08 | 2019-11-22 | 宽岳医疗器材（苏州）有限公司 | Femur osteotomy distal end positioned in alignment device |
| CN111407471A (en) * | 2020-03-26 | 2020-07-14 | 北京力达康科技有限公司 | Thighbone measuring device |
| CN112932606A (en) * | 2021-01-29 | 2021-06-11 | 北京市春立正达医疗器械股份有限公司 | Adjustable tibia osteotomy guider |
| CN113367765A (en) * | 2021-05-29 | 2021-09-10 | 北京力达康科技有限公司 | Auxiliary osteotomy device for proximal tibia |
-
2021
- 2021-09-28 CN CN202111144522.5A patent/CN113855271B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160051265A1 (en) * | 2011-12-19 | 2016-02-25 | Zimmer, Inc. | Surgical cutting guide |
| FR3045310A1 (en) * | 2015-12-22 | 2017-06-23 | Medicoscop | DEVICE FOR POSITIONING AT LEAST ONE CUTTING GUIDE FOR THE POSITION OF A TIBIAL IMPLANT AND A FEMORAL IMPLANT |
| US20180353192A1 (en) * | 2017-06-13 | 2018-12-13 | Orthosoft, Inc. | Tibia cutting assembly |
| CN208371848U (en) * | 2017-07-15 | 2019-01-15 | 常州奥斯迈医疗器械有限公司 | Minimally invasive distal femur pulp cavity finder |
| CN209220411U (en) * | 2018-10-17 | 2019-08-09 | 嘉思特华剑医疗器材(天津)有限公司 | A kind of fixed separate room knee prosthesis replacement Tibial osteotomy guider |
| CN109662767A (en) * | 2018-12-26 | 2019-04-23 | 大博医疗科技股份有限公司 | Nearly joint deformity corrects exterior fixing rack |
| CN110477995A (en) * | 2019-08-08 | 2019-11-22 | 宽岳医疗器材（苏州）有限公司 | Femur osteotomy distal end positioned in alignment device |
| CN111407471A (en) * | 2020-03-26 | 2020-07-14 | 北京力达康科技有限公司 | Thighbone measuring device |
| CN112932606A (en) * | 2021-01-29 | 2021-06-11 | 北京市春立正达医疗器械股份有限公司 | Adjustable tibia osteotomy guider |
| CN113367765A (en) * | 2021-05-29 | 2021-09-10 | 北京力达康科技有限公司 | Auxiliary osteotomy device for proximal tibia |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117958901A (en) * | 2024-03-28 | 2024-05-03 | 天津正天医疗器械有限公司 | Ankle joint prosthesis operation navigator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113855271B (en) | 2023-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10660816B2 (en) | Surgical support for providing knee torsion | |
| US5597379A (en) | Method and apparatus for femoral resection alignment | |
| US10517607B2 (en) | Surgical instrumentation and methods of use for implanting a prosthesis | |
| JP3542487B2 (en) | Tibial resection guide | |
| EP3928720B1 (en) | Distal femoral condyle bone defect osteotomy guide | |
| CN112932606B (en) | Adjustable tibia osteotomy guider | |
| KR101570630B1 (en) | Guide assembly for guiding cuts to a femur and tibia during a knee arthroplasty | |
| US4907578A (en) | Method and instruments for resection of the distal femur | |
| CN109700498B (en) | Tibia proximal osteotomy device | |
| JP2003503096A (en) | Tibial plateau resection guide | |
| JP2007527269A (en) | Auxiliary device for artificial knee joint implant | |
| US7527630B2 (en) | Apparatus for the preparation of a femoral condyle | |
| CN106880408B (en) | Force line positioner for high tibial osteotomy | |
| WO2010032098A1 (en) | Orthopaedic device for correcting deformities of long bones | |
| CA2866539C (en) | Bone positioning device and method | |
| EP2231042B1 (en) | Support orthopaedic device for a knee joint | |
| US20070186738A1 (en) | Tibial cut guide assembly having rotatable cut guide body | |
| CN113855271A (en) | Tibia marrow external force line adjusting device | |
| CN113367765A (en) | Auxiliary osteotomy device for proximal tibia | |
| CN208339561U (en) | Osteotomy guider is positioned outside accurate shin bone marrow | |
| US8382758B1 (en) | Method for aligning upper extremity bones and inserting guide device | |
| CN111643195A (en) | Knee joint tissue balancer | |
| CN214712686U (en) | Single-side eccentric adjustment type osteotomy device for femoral condyle | |
| CN112754595A (en) | Single-side eccentric adjustment type osteotomy device for femoral condyle | |
| CN213371932U (en) | Joint soft tissue balance measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |