CN219461197U - Lower limb orthopedic fixing device - Google Patents
Lower limb orthopedic fixing device Download PDFInfo
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- CN219461197U CN219461197U CN202222907433.8U CN202222907433U CN219461197U CN 219461197 U CN219461197 U CN 219461197U CN 202222907433 U CN202222907433 U CN 202222907433U CN 219461197 U CN219461197 U CN 219461197U
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- bottom plate
- limiting structure
- base
- patient
- limiting
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- 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
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model discloses a lower limb orthopedic fixing device which is characterized by comprising a bottom plate, wherein a first limiting structure and a pressing structure for limiting positions of two sides of a lower limb of a patient and a second limiting structure for limiting positions of feet of the patient are arranged on the bottom plate, the first limiting structure and the pressing structure are respectively detachably or movably connected with the bottom plate along the length direction of the lower limb of the patient, and the second limiting structure is detachably connected with the bottom plate along the width direction of the feet of the patient. By means of the device of the utility model, the stability of the knee joint during the operation is improved, and the risk of radiation exposure of doctors is reduced.
Description
Technical Field
The utility model relates to a lower limb orthopedic fixing device, and belongs to the technical field of medical instruments.
Background
One of the common orthopedic diseases of middle-aged and elderly people in knee osteoarthritis often has various treatment means according to the age and severity of the patient. For patients who are not conservative, but are less aged or for whom joint replacement is not acceptable by themselves, a proximal high-level osteotomy may be used. During the operation, the position of the positioning needle and the guide needle is required to be observed in a perspective way, and a doctor is required to fix the knee joint in a proper position. At this time, a doctor is placed under rays, and the health is affected; meanwhile, in the manual fixing process, the force applied by the patella of the knee joint cannot be kept the same and the direction of the applied force is also changed when the patella of the knee joint is manually fixed, so that the patella of the knee joint cannot be ensured to be in a proper and fixed position all the time.
In order to determine the direction and depth of the guide pin during the operation, a C-arm X-ray machine is needed to perform the fluoroscopy during the operation, and one operator is needed to fix the lower limb of the patient B on the opposite side of the C-arm X-ray machine C, and press the patella and the lateral malleolus 15 degrees downward. In performing an intraoperative perspective, doctor a is at risk of radiation exposure, as shown in fig. 7.
Disclosure of Invention
The utility model aims to solve the technical problems that: when the proximal tibial high osteotomy is performed, the problem that the doctor places the patient's knee joint under the radiation is avoided by manually fixing the patient's knee joint in a proper position, and the knee joint is ensured to be in a proper and fixed position.
In order to solve the technical problems, the technical scheme of the utility model provides a lower limb orthopedic fixing device, which is characterized by comprising a bottom plate, wherein a first limiting structure and a pressing structure for limiting positions of two sides of a lower limb of a patient and a second limiting structure for limiting positions of feet of the patient are arranged on the bottom plate, the first limiting structure and the pressing structure are respectively detachably connected with the bottom plate along the adjustable positions of the lower limb of the patient in the length direction, and the second limiting structure is detachably or movably connected with the bottom plate along the adjustable positions of the feet of the patient in the width direction;
the pressing structure comprises a second fixed base, the second fixed base is detachably fixed on the bottom plate, the second fixed base is connected with a pressing block capable of moving along the direction vertical to the bottom plate through a first driving structure, the inner side end of the pressing block is provided with a pressing plate for pressing the patella on the knee of a patient, and the pressing plate is arranged right above the second fixed base and the first fixed base;
the second limiting structure comprises a third fixed base, the third fixed base is detachably or movably arranged on the bottom plate, and the third fixed base is connected with the pedal plate which can move towards the first limiting structure and the pressing structure through a second driving structure.
Preferably, the first limiting structure and the pressing structure are located on two opposite sides of the bottom plate, and the second limiting structure is arranged between the first limiting structure and the pressing structure and on the same side of the first limiting structure and the pressing structure.
Preferably, the bottom plate is of a rectangular structure; at least one row of mounting holes are respectively arranged on one side, connected with the first limiting structure and the pressing structure, of the bottom plate along the edge of the bottom plate, and the first limiting structure and the pressing structure are respectively connected with screws penetrating through the corresponding mounting holes, so that the first limiting structure and the pressing structure are fastened on the bottom plate; the bottoms of the first limiting structure and the compressing structure are respectively provided with at least two screw holes matched with the screws.
Preferably, the first limiting structure comprises a first fixed base, the first fixed base is detachably fixed on the bottom plate, and the inner side surface of the first fixed base is connected with the center of the arc surface of the arc plate.
Preferably, the third fixing base is detachably arranged on the bottom plate; at least one row of mounting holes arranged along the edge of the bottom plate are formed in one side, connected with the second limiting structure, of the bottom plate, and the second limiting structure is connected with screws penetrating through the corresponding mounting holes, so that the second limiting structure is fastened on the bottom plate; the bottom of the second limiting structure is provided with at least two screw holes matched with the screws.
Preferably, the third fixed base is movably arranged on the bottom plate through a bracket; the bracket comprises an upright post and a guide rail, and the second fixed base is arranged on the guide rail in a sliding manner; the upright post is fixed on the bottom plate.
Preferably, the second driving structure comprises a second adjusting screw rod, the third fixed base is in threaded connection with the second adjusting screw rod, the second adjusting screw rod is parallel to the bottom plate, and one end of the second adjusting screw rod penetrates through the third fixed base to be fixedly connected with the pedal.
Preferably, the foot rest is provided with a strap for securing the foot of the patient to the foot rest.
Preferably, the first driving structure comprises a guide rail block, the guide rail block is fixed on the second fixed base, a compressing block which can only slide up and down along the guide rail block is arranged on the guide rail block, the compressing block is connected with the first adjusting screw through threads, the first adjusting screw is perpendicular to the bottom plate, and one end of the first adjusting screw penetrates through the compressing block to be connected with the second fixed base in a rotating mode.
Preferably, two bearings are arranged in the second fixing base, the two bearings are sleeved on the first adjusting screw, and a bulge is arranged at a position, located between the two bearings, on the first adjusting screw.
According to the utility model, the positions of two sides of the lower limb of the patient are limited through the first limiting structure and the pressing structure, the foot position of the patient is limited through the second limiting structure, and the patella on the knee joint of the patient is pressed and fixed through the pressing plate on the pressing structure, so that the whole lower limb of the patient is fixed. By means of the device of the utility model, the stability of the knee joint during the operation is improved, and the risk of radiation exposure of doctors is reduced.
Drawings
FIG. 1 is a schematic view of a lower extremity orthotic fixation apparatus;
FIG. 2 is a schematic view of a base plate;
FIG. 3 is a schematic diagram of the connection of a rail block to a compression block;
FIG. 4 is a schematic view of the internal structure of the foot pedal;
FIG. 5 is a schematic view of another structure of the second limiting structure;
FIG. 6 is a left side view of FIG. 5;
fig. 7 is a schematic diagram of a prior art intraoperative perspective.
Detailed Description
In order to make the utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
The utility model provides a lower limb orthopedic fixing device, which is used for fixing a lower limb knee joint in an operation when a tibia proximal end high-level osteotomy is carried out, and as shown in figure 1, the lower limb orthopedic fixing device comprises a bottom plate 1, wherein a first limiting structure 2, a compressing structure 3 and a second limiting structure 4 are detachably arranged on the bottom plate 1, the first limiting structure 2 and the compressing structure 3 are positioned on two opposite sides of the bottom plate 1, and the second limiting structure 4 is arranged between the first limiting structure 2 and the compressing structure 3 and on the same side of the first limiting structure 2 and the compressing structure 3. The first limiting structure 2 and the pressing structure 3 are used for limiting two sides of the lower limb of the patient; the second limiting structure 4 is contacted with the sole of the patient and is used for fixing the sole of the lower limb of the patient.
As shown in fig. 2, the bottom plate 1 is a rectangular structure, one side of the bottom plate 1, which is respectively connected with the first limiting structure 2, the compressing structure 3 and the second limiting structure 4, is respectively provided with at least one row of mounting holes 11 arranged along the edge of the bottom plate 1, and the bottom plate is respectively connected with the first limiting structure 2, the compressing structure 3 and the second limiting structure 4 after passing through the corresponding mounting holes 11 through screws, so that the first limiting structure 2, the compressing structure 3 and the second limiting structure 4 are mounted on the bottom plate 1. The bottoms of the first limiting structure 2, the compressing structure 3 and the second limiting structure 4 are respectively provided with at least two screw holes matched with the screws. When the positions of the first limiting structure 2, the pressing structure 3 and the second limiting structure 4 on the bottom plate 1 are required to be adjusted, the screws corresponding to the structures to be adjusted are unscrewed, the screws are pulled out, and after the positions of the structures on the bottom plate 1 are adjusted, the screws pass through the adjusted mounting holes 11 and are connected with the bottoms of the structures.
In this embodiment, two rows of mounting holes 11 are respectively formed in the base plate 1 on one side connected with the first limiting structure 2 and the compressing structure 3, so that the distance between the first limiting structure 2 and the compressing structure 3 can be conveniently adjusted, the base plate is used for adapting to patients with knee joints of different widths, and a row of mounting holes 11 are formed in one side, connected with the second limiting structure 4, of the base plate 1. The vertical distance between the first limiting structure 2 and the second limiting structure 4 on the bottom plate 1 and between the pressing structure 3 are adjusted, so that the device is suitable for patients with lower limbs of different lengths.
The first limiting structure 2 comprises a first fixed base 21, the first fixed base 21 is detachably fixed on the bottom plate 1, and the inner side surface of the first fixed base 21 is connected with the center of the arc surface of the arc plate 22.
The pressing structure 3 comprises a second fixed base 31, the second fixed base 31 is detachably fixed on the bottom plate 1, a guide rail block 32 is fixed on the second fixed base 31, as shown in fig. 3, a pressing block 33 capable of only sliding up and down along the guide rail block 32 is arranged on the guide rail block 32, the pressing block 33 is connected with a first adjusting screw 34 through threads, the first adjusting screw 34 is perpendicular to the bottom plate 1, one end of the first adjusting screw 34 penetrates through the pressing block 33 and is rotatably connected with the second fixed base 31, namely one end of the first adjusting screw 34 is rotatably arranged in the second fixed base 31, and the first adjusting screw 34 cannot axially move in the second fixed base 31. The inner side end of the compression block 33 is provided with a compression plate for pressing the patella on the knee of the patient, and the bottom of the compression plate is in a spherical groove type structure. The pressing plate is disposed right above the second fixing base 31 and the first fixing base 21.
In this embodiment, the number of the guide rail blocks 32 is two, and the guide rail blocks are disposed on the top of the second fixing base 31. The opposite sides of the two guide rail blocks 32 are provided with square grooves, the left and right sides of the pressing block 33 are both convex, and the pressing block 33 can slide up and down (relative to the direction of the bottom plate 1) between the two guide rail blocks 32 in matching with the square grooves.
As shown in fig. 4, two bearings 35 are disposed in the second fixing base 31, the two bearings 35 are sleeved on the first adjusting screw 34, a protrusion 341 is disposed on the first adjusting screw 34 and located between the two bearings 35, and two sides of the protrusion 341 are tightly attached to the two bearings 35 to prevent axial movement of the first adjusting screw 34.
The protrusions 341 on the first adjusting screw 34 may be replaced by providing the protrusions 341 on the outer sides of the two bearings 35, respectively, in addition to being provided between the two bearings 35, thereby serving to limit the axial movement of the first adjusting screw 34.
The second limiting structure 4 comprises a third fixed base 41, the third fixed base 41 is detachably fixed on the bottom plate 1, the third fixed base 41 is in threaded connection with a second adjusting screw 42, the second adjusting screw 42 is parallel to the bottom plate 1, one end of the second adjusting screw 42 penetrates through the third fixed base 41 to be fixedly connected with the pedal 43, namely one end of the second adjusting screw 42 is arranged in the third fixed base 41 through threaded rotation and can drive the pedal 43 to rotate together. Two sides of the foot rest 43 are respectively fixed with a binding band 44, the inner side surface and the outer side surface of the two binding bands 44 are respectively a rough surface and a hook surface of the magic tape, and the feet of a patient can be fixed on the foot rest 43 through the two binding bands 44.
In addition, in addition to the above-mentioned screw being connected to the screw hole at the bottom of the third fixing base 41 after passing through the mounting hole 11 on the base plate 1, the third fixing base 41 may be movably disposed on the base plate 1 by a bracket 45, as shown in fig. 5 and 6, the bracket 45 includes a stand 451 and a rail 452, and the third fixing base 41 is slidably disposed on the rail 452; the column 451 is fixed to the base plate 1. The guide rail 452 is a straight rod parallel to the bottom plate 1 and transversely arranged, two through holes are formed in the side face of the third fixed base 41 and penetrate through the two guide rails 452, the third fixed base 41 can slide on the two guide rails 452, a fixing hole is formed in one side of the third fixed base 41 and is communicated with one through hole of the connecting guide rail 452, the fixing hole is in threaded connection with a fastening screw, one end of the fastening screw penetrates through the fixing hole and then abuts against the guide rail 452, and therefore the third fixed base 41 can be fastened after moving to a proper distance on the guide rail 452.
The vertical distance between the first limit structure 2 and the second limit structure 4 is smaller than the vertical distance between the pressing structure 3 and the second limit structure 4, that is, the pressing structure 3 is located at the patella position of the knee joint of the patient, and the first limit structure 2 is located at the position below the patella (near the foot direction of the patient). When in use, the first limiting structure 2 is positioned at the inner side of the knee joint of the patient, and the pressing structure 3 is positioned at the outer side of the knee joint of the patient. Wherein, first limit structure 2 and compress tightly structure 3 can be looked about knee joint and dismantle and exchange the position. When the operation is needed to be performed on the left lower limb of the patient, the first limiting structure 2 is positioned on the right side of the knee joint of the patient, and the compacting structure 3 is positioned on the left side of the knee joint of the patient; when the operation is needed to be performed on the right lower limb of the patient, the first limiting structure 2 is positioned on the left side of the knee joint of the patient, and the pressing structure 3 is positioned on the right side of the knee joint of the patient.
In performing a high osteotomy on the proximal tibia of the knee joint, an intraoperative perspective is required to hold the lower limb in place and in place by the device of the present utility model. The application process of the utility model is as follows:
placing the corresponding lower limb of the patient between the first limit structure 2 and the compression structure 3, adjusting the position of the second limit structure 4 to enable the foot plate 43 of the second limit structure 4 to be aligned with the foot of the patient, setting the patella of the lower limb of the patient under the upper pressing plate of the compression block 33, rotating the second adjusting screw 42 to enable the foot plate 43 to be close to the foot of the patient until the foot plate 43 is contacted and propped against (if the distance between the foot plate and the foot of the patient is still too large, the foot plate is close to the second limit structure 4 by adjusting the positions of the first limit structure 2 and the compression structure 3 on the bottom plate 1), and then binding the foot of the patient by two binding bands 44 on the foot plate 43; rotating the second adjusting screw 42 to rotate the foot rest 43 together with the foot and lower limb of the patient by a certain angle (the angle position required by the doctor), adjusting the foot of the patient to a proper inclination, and leaving the operation area on the side of the knee joint to expose the area in the vision of the doctor; finally, the first adjusting screw 34 is rotated, so that the pressing block 33 drives the pressing plate to move towards the direction of the bottom plate 1 until the pressing plate presses against the patella of the patient, the patella is prevented from moving, and the lower limb of the patient is completely fixed. The orthopedics doctor can perform the subsequent procedures of the operation.
Claims (10)
1. The lower limb orthopedic fixing device is characterized by comprising a bottom plate (1), wherein a first limiting structure (2) and a pressing structure (3) for limiting the positions of two sides of a lower limb of a patient and a second limiting structure (4) for limiting the positions of feet of the patient are arranged on the bottom plate (1), the first limiting structure (2) and the pressing structure (3) are respectively detachably connected with the bottom plate (1) along the adjustable positions of the lower limb of the patient in the length direction, and the second limiting structure (4) is detachably or movably connected with the bottom plate (1) along the adjustable positions of the feet of the patient in the width direction;
the compression structure (3) comprises a second fixed base (31), the second fixed base (31) is detachably fixed on the bottom plate (1), the second fixed base (31) is connected with a compression block (33) capable of moving along the direction vertical to the bottom plate (1) through a first driving structure, the inner side end of the compression block (33) is provided with a compression plate for pressing the patella on the knee of a patient, and the compression plate is arranged right above the second fixed base (31) and the first fixed base (21);
the second limiting structure (4) comprises a third fixed base (41), the third fixed base (41) is detachably or movably arranged on the bottom plate (1), and the third fixed base (41) is connected with a pedal (43) which can move towards the first limiting structure (2) and the pressing structure (3) through a second driving structure.
2. The lower limb orthopedic fixing device according to claim 1, wherein the first limiting structure (2) and the compressing structure (3) are located at two opposite sides of the base plate (1), and the second limiting structure (4) is located between the first limiting structure (2) and the compressing structure (3) and on the same side of the first limiting structure (2) and the compressing structure (3).
3. A lower extremity orthotic fixation apparatus as claimed in claim 1, wherein said base plate (1) is rectangular in configuration; one side of the bottom plate (1) connected with the first limiting structure (2) and the pressing structure (3) is respectively provided with at least one row of mounting holes (11) arranged along the edge of the bottom plate (1), and the first limiting structure (2) and the pressing structure (3) are respectively connected with screws penetrating through the corresponding mounting holes (11) so that the first limiting structure (2) and the pressing structure (3) are fastened on the bottom plate (1); the bottoms of the first limiting structure (2) and the compressing structure (3) are respectively provided with at least two screw holes matched with the screws.
4. The lower limb orthopedic fixing device according to claim 1, characterized in that the first limiting structure (2) comprises a first fixing base (21), the first fixing base (21) is detachably fixed on the bottom plate (1), and the inner side surface of the first fixing base (21) is connected with the arc center of the arc plate (22).
5. A lower extremity orthotic fixation apparatus according to claim 1, wherein said third fixation base (41) is removably mounted to the base plate (1); at least one row of mounting holes (11) arranged along the edge of the bottom plate (1) are arranged on one side, connected with the second limiting structure (4), of the bottom plate (1), and the second limiting structure (4) is connected with screws penetrating through the corresponding mounting holes (11) so that the second limiting structure (4) is fastened on the bottom plate (1); the bottom of the second limit structure (4) is provided with at least two screw holes matched with the screws.
6. A lower extremity orthotic fixation apparatus as claimed in claim 1, wherein said third fixation base (41) is movably mounted to the base plate (1) via brackets (45); the bracket (45) comprises an upright post (451) and a guide rail (452), and the third fixed base (41) is arranged on the guide rail (452) in a sliding manner; the upright (451) is fixed to the base plate (1).
7. A lower extremity orthotic fixation apparatus as claimed in claim 1, 5 or 6, wherein said second drive structure comprises a second adjustment screw (42), a third fixation base (41) threadably coupled to the second adjustment screw (42), the second adjustment screw (42) being disposed parallel to the base plate (1), one end of the second adjustment screw (42) being fixedly coupled to the foot pedal (43) through the third fixation base (41).
8. A lower extremity orthotic fixation apparatus as claimed in claim 1, 5 or 6, wherein said foot rest (43) is provided with straps (44) for securing the patient's foot to the foot rest (43).
9. The lower limb orthopedic fixing device according to claim 1, wherein the first driving structure comprises a guide rail block (32), the guide rail block (32) is fixed on the second fixing base (31), a compression block (33) which can only slide up and down along the guide rail block (32) is arranged on the guide rail block (32), the compression block (33) is connected with a first adjusting screw (34) through threads, the first adjusting screw (34) is perpendicular to the bottom plate (1), and one end of the first adjusting screw (34) penetrates through the compression block (33) to be connected with the second fixing base (31) in a rotating mode.
10. The lower limb orthopedic fixing device according to claim 9, characterized in that two bearings (35) are provided in the second fixing base (31), the two bearings (35) are sleeved on the first adjusting screw (34), and a protrusion (341) is provided on the first adjusting screw (34) at a position between the two bearings (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907433.8U CN219461197U (en) | 2022-11-02 | 2022-11-02 | Lower limb orthopedic fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907433.8U CN219461197U (en) | 2022-11-02 | 2022-11-02 | Lower limb orthopedic fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219461197U true CN219461197U (en) | 2023-08-04 |
Family
ID=87468033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222907433.8U Active CN219461197U (en) | 2022-11-02 | 2022-11-02 | Lower limb orthopedic fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219461197U (en) |
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2022
- 2022-11-02 CN CN202222907433.8U patent/CN219461197U/en active Active
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