CN113081411B - Lifting type hip joint resetting device - Google Patents
Lifting type hip joint resetting device Download PDFInfo
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- CN113081411B CN113081411B CN202110368720.3A CN202110368720A CN113081411B CN 113081411 B CN113081411 B CN 113081411B CN 202110368720 A CN202110368720 A CN 202110368720A CN 113081411 B CN113081411 B CN 113081411B
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- supporting plate
- hole
- lifting
- femoral head
- limiting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4607—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of hip femoral endoprostheses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4609—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of acetabular cups
Abstract
The invention provides a lifting type hip joint reduction device, which comprises: a main support having a length; the supporting plate is arranged below the main support, is connected with the middle part of the main support, is suitable for being inserted below the femoral head and has two different overturning states; the lifting piece is used for lifting the supporting plate to be mutually switched between two overturning states. Compared with the cylindrical restorer in the prior art, the lifting-pulling type hip joint restoration device changes the force application direction, the conventional cylindrical restorer can only be pushed forwards along the shaft, so that the femoral head is propped against the back edge of the acetabulum and is difficult to span, the restoration device firstly lifts the femoral head until the height of the femoral head is higher than the acetabulum, then the lifting structure is lifted, the overturning state of the supporting plate is converted, the contact area between the femoral head and the supporting plate is gradually reduced along with the conversion of the state of the supporting plate until the femoral head falls into the acetabulum, and compared with the technical scheme, the lifting-pulling type hip joint restoration device is easier to operate, higher in restoration efficiency and capable of reducing the work burden of medical personnel.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a lifting type hip joint reduction device.
Background
Hip arthroplasty is currently the most effective method in clinical treatment of severe joint disease, fractures of the neck of the elderly femur and fractures between the tuberosity of part of the femur. With the aging of population and the increasing of bone joint diseases, hip joint replacement can reconstruct the function of the diseased joint, can obviously improve the working capacity and the life quality of patients, and is widely applied at home and abroad as a mature treatment means.
The hip joint comprises a femoral head and an acetabulum, wherein the total hip joint replacement is to replace the femoral head and the acetabulum and then install the replaced femoral head into the replaced acetabulum, namely, the replacement. Normal human anatomy, acetabulum and femoral neck are themselves anteverted with certain degrees; in order to reduce the postoperative dislocation of the hip joint, the anteversion angles of the acetabulum and the femoral neck are also required to be properly increased in the operation. The femoral head is located on the posterior, superior and medial side of the posterior margin of the acetabulum prior to reduction, and if reduction is desired, it is passed over the superior posterior margin of the acetabulum.
The existing reductor is cylindrical, and the front end of the reductor is arc-shaped and sunken and is used for bearing the femoral head. Because the main access route of the existing total hip replacement is the posterior-lateral access route of the hip joint, the force direction during reduction is the anterior-inferior-medial direction, and when the force is exerted forwards, the femoral head can be abutted against the posterior margin of the acetabulum and is difficult to cross the posterior margin of the acetabulum, thereby causing difficult operation. In particular, when the hip joint is tight or the acetabulum side is properly inclined forward, the reduction of the femoral head can be very difficult.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the technical defect that the femoral head is difficult to pass by directly abutting against the posterior edge of the acetabulum when force is applied in the operation of a tool for repositioning the femoral head in the prior art, so that the repositioning is difficult, and thus a lifting-pulling type hip joint repositioning device is provided.
Therefore, the invention provides a lifting type hip joint reduction device, which comprises:
a main support having a length;
the supporting plate is arranged below the main support, is connected with the middle part of the main support, can be overturned, and has a first overturning state suitable for being inserted below a femoral head and a second overturning state suitable for pushing the femoral head out of the supporting plate;
and the lifting piece is used for lifting the supporting plate to switch between the first overturning state and the second overturning state.
Preferably, two parallel opposite connecting plates are fixedly arranged below the middle part of the main support, and the supporting plate is arranged between the two connecting plates in a turnable manner.
As a preferable scheme, two connecting plates are arranged along the width direction of the main bracket;
the supporting plate is provided with a left end and a right end which are arranged along the length direction of the main support, and a front end and a rear end which are arranged along the width direction of the main support;
the front end and the rear end of the supporting plate are respectively connected with the two connecting plates in a turnover mode.
Preferably, the left end of the supporting plate is arranged to be basically flush with the corresponding side edges of the two connecting plates;
the bottom surface of the supporting plate is basically flush with the bottom surfaces of the two connecting plates;
the position of the front end, which is close to the left end, is rotatably connected with the connecting plate at the corresponding position through a first rotating shaft;
the position of the rear end, which is close to the left end, is rotatably connected with the connecting plate at the corresponding position through a second rotating shaft;
the first rotating shaft and the second rotating shaft are coaxially arranged.
Preferably, the middle part of the supporting plate is recessed downwards to form an arc-shaped groove extending along the length direction of the main bracket.
As a preferable scheme, the main bracket is provided with a strip-shaped through hole extending along the length direction of the main bracket;
and one end of each connecting plate is fixedly connected with the bottom of the main support on two sides of the strip-shaped through hole respectively.
As a preferable mode, the pulling member includes:
one end of the lifting rod is rotatably connected with the right end of the supporting plate, and the other end of the lifting rod extends upwards into the strip through hole;
the limiting rod is transversely arranged above the long through hole and is fixedly connected with one end, extending out of the long through hole, of the lifting rod;
and the lifting handle is fixedly arranged on the limiting rod.
As a preferable scheme, the method further comprises the following steps:
the limiting holes are a pair and are formed in the main support on two sides of the strip-shaped through hole;
the limiting through hole is correspondingly formed in the limiting rod;
the limiting shaft penetrates through the limiting through hole and then is inserted into the limiting hole to limit the limiting rod;
when the limiting rod is limited by the limiting shaft, the supporting plate is in the first overturning state.
As a preferred scheme, a connecting block is arranged at the right end of the supporting plate, and a first connecting through hole is formed in the connecting block;
one end of the lifting rod is provided with a U-shaped opening, and second connecting through holes are formed in the side wall of the U-shaped opening, which is opposite to the two ends of the first connecting through hole;
after the connecting rotating shaft penetrates through the second connecting through hole and the first connecting through hole, the rotatable connection between the connecting block and the lifting rod is realized.
As a preferable scheme, the support device further comprises two auxiliary baffle plates, the two auxiliary baffle plates are respectively connected with one side of the connecting plate facing to the right end of the supporting plate and/or the main bracket at corresponding positions, an interval space is formed between the two auxiliary baffle plates, and the connecting block extends outwards from the interval space.
As a preferable aspect, the main support includes:
a main bracket main body;
a first hand-held portion provided at one end of the main bracket main body;
and a second hand-held portion provided at the other end of the main bracket main body.
The technical scheme provided by the invention has the following advantages:
1. the invention relates to a lifting-pulling type hip joint reduction device, which comprises a main bracket, a supporting plate arranged below the main bracket, and a lifting-pulling piece connected with the supporting plate; the splint has a first overturned state suitable for being inserted below the femoral head and a second overturned state suitable for pushing the femoral head out of the splint; the lifting piece is used for lifting the supporting plate, so that the supporting plate is switched between a first overturning state and a second overturning state. When the lifting type hip joint reduction device is used, the supporting plate is inserted below the femoral head, the main support is lifted upwards, the femoral head is lifted through the supporting plate until the height of the supporting plate is higher than that of an acetabulum, the device is moved to move the supporting plate to a proper position above the acetabulum, the lifting structure is lifted slowly, the supporting plate is adjusted slowly from a first overturning state to a second overturning state, and the femoral head gradually falls into the acetabulum along with the overturning of the supporting plate to complete reduction. Compared with the cylindrical reductor in the prior art, the lifting-pulling type hip joint reduction device changes the force application direction, the conventional cylindrical reductor can only be pushed forwards along the shaft, so that the femoral head is propped against the rear edge of the acetabulum and is difficult to span, the reduction device firstly lifts the femoral head until the height of the femoral head is higher than the acetabulum, the device is moved to move the femoral head to a proper position above the acetabulum, then the supporting plate is slowly adjusted from a first overturning state to a second overturning state through the lifting-pulling structure, and the femoral head falls into the acetabulum after losing the support of the supporting plate, so that the reduction is completed; compared with the prior art, the medical operation system has the advantages that the operation is easier, the resetting efficiency is higher, the workload of medical workers is reduced, and the operation time is also reduced.
2. According to the lifting-pulling type hip joint reduction device, two parallel and opposite connecting plates are fixedly arranged below the middle part of a main support, and the two connecting plates are basically arranged in parallel and level with the corresponding side edges of the left end of a supporting plate; the bottom surfaces of the two connecting plates are basically flush with the bottom surface of the supporting plate; the supporting plate is arranged between the two connecting plates in a turnover manner, and the position, close to the left end, of the front end of the supporting plate is rotatably connected with the connecting plate at the corresponding position through a first rotating shaft; the position of the rear end of the supporting plate, which is close to the left end, is rotatably connected with the connecting plate at the corresponding position through a second rotating shaft; the advantage of so setting up lies in, when using to carry the pulling member to carry and draw the layer board, the left end position can not outwards be outstanding downwards, can practice thrift the space, avoids bringing the pressure for the space between this nervous femoral head and the acetabular bone, avoids tearing more human body tissue as far as possible.
3. According to the lifting type hip joint reduction device, the middle part of the supporting plate is downwards sunken to form an arc-shaped groove extending along the length direction of the main support, and the supporting plate can be more conveniently inserted below the femoral head through the design of the arc-shaped groove, and particularly, the arc-shaped groove of the supporting plate can be more conveniently inserted below the femoral head; in addition, the arc-shaped groove has a limiting effect on the femoral head, and due to the design of the arc-shaped groove, the contact area between the supporting plate and the femoral head is increased, so that force can be applied to the femoral head more conveniently, and the femoral head can be moved.
As a preferred structure, the arc-shaped groove is arranged towards one side of the drawing structure in a closed mode, and the closed mode has the function of providing a barrier and preventing the femoral head from penetrating outwards.
4. According to the lifting type hip joint reduction device, the main support is provided with a strip through hole extending along the length direction of the main support; one end of each connecting plate is fixedly connected with the bottom of the main support positioned on two sides of the strip-shaped through hole respectively. The space formed by the two connecting plates, the supporting plate and the main bracket can restrict the activity space of the femoral head, and the femoral head can be conveniently moved.
5. According to the lifting type hip joint reduction device, the lifting piece comprises a lifting rod, a limiting rod and a lifting handle; one end of the lifting rod and the right end of the supporting plate are rotatably connected with the supporting plate, and the other end of the lifting rod extends upwards into the strip through hole; the limiting rod is transversely arranged above the long through hole and is fixedly connected with one end of the lifting rod, which extends out of the long through hole; the lifting handle is fixedly arranged on the limiting rod. The lifting rod is connected with the supporting plate and the limiting rod, the limiting rod is transversely arranged above the strip through hole and can limit the supporting plate, when the supporting plate is inserted below the femoral head, the femoral head gives downward pressure to the supporting plate, and the limiting effect of the limiting rod can prevent the supporting plate from being overturned due to the fact that the supporting plate is pressed down by the femoral head; that is, the lifting member of the present invention can drive the blade to change the inverted state while maintaining the first inverted state of the auxiliary blade when the blade is inserted below the femoral head.
6. The lifting type hip joint reduction device also comprises a pair of limiting holes which are arranged on the main brackets at two sides of the strip through hole; the limiting through hole is correspondingly formed in the limiting rod; and the limiting shaft penetrates through the limiting through hole and then is inserted into the limiting hole to limit the limiting rod. When the limiting rod is limited by the limiting shaft, the supporting plate is in the first overturning state. In the process of inserting the layer board below the femoral head, the interaction force can be generated between the femoral head and the layer board, if the limiting rod is not limited, the layer board can be pushed to move, the insertion difficulty of the layer board is caused, the limiting structure is arranged, the occurrence of the situation can be avoided, and the smooth insertion process is ensured.
7. The invention relates to a lifting-pulling type hip joint resetting device.A connecting block is arranged at the right end of a supporting plate, and a first connecting through hole is arranged on the connecting block; one end of the lifting rod is provided with a U-shaped opening, and the side wall of the U-shaped opening, which is opposite to the two ends of the first connecting through hole, is provided with a second connecting through hole; after the connecting rotating shaft penetrates through the second connecting through hole and the first connecting through hole, the rotatable connection of the connecting block and the lifting rod is realized. The supporting plate and the lifting structure are connected with each other through the rotatable connection of the connecting block and the lifting rod, and the supporting plate can be driven to be switched between a first overturning state and a second overturning state through the lifting structure.
8. The lifting type hip joint reduction device also comprises two auxiliary baffle plates which are respectively connected with one side of the connecting plate facing to the right end of the supporting plate and/or the main bracket at the corresponding position, an interval space is formed between the two auxiliary baffle plates, and the connecting block extends outwards from the interval space. The auxiliary baffle plate and the lifting rod are matched with each other, so that the femoral head can be prevented from sliding out when moving on the supporting plate, and the moving space of the femoral head is restricted.
9. The invention relates to a lifting-pulling type hip joint reduction device, which comprises a main bracket, a main bracket and a lifting-pulling type hip joint reduction device, wherein the main bracket comprises a main bracket main body; a first hand-held portion provided at one end of the main stand main body; and a second hand-held portion provided at the other end of the main bracket main body. The two ends of the main bracket main body are respectively provided with a handheld part which can be used for lifting the femoral head by two hands of a doctor or two doctors operating simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the prior art or the embodiments of the present invention, the drawings used in the description of the prior art or the embodiments are briefly introduced below.
Fig. 1 is a schematic overall structure diagram of the lifting type hip joint reduction device.
Fig. 2 is another perspective view of fig. 1.
Fig. 3 is a schematic view of the structure of fig. 1 with the pull member and the retainer removed.
Fig. 4 is a schematic view of an exploded structure of a puller and a pallet.
Reference numerals: 1. a main support; 11. a connecting plate; 12. a strip-shaped through hole; 13. a limiting hole; 14. an auxiliary baffle plate; 15. a main bracket main body; 16. a first hand-held section; 17. a second hand-held section; 2. a support plate; 21. a left end; 22. the right end; 23. a front end; 24. a back end; 25. a first rotating shaft; 26. a second rotating shaft; 27. an arc-shaped slot; 28. connecting blocks; 29. a first connecting through hole; 3. a pulling member; 31. lifting a pull rod; 32. a limiting rod; 33. lifting and pulling the handle; 34. a limiting through hole; 35 a limiting shaft; 36. a U-shaped opening; 37. a second connecting through hole; 38. is connected with the rotating shaft.
Detailed Description
The technical scheme of the invention is described in detail in the following with reference to the accompanying drawings.
Examples
The present embodiment provides a pull-up hip reduction device, as shown in fig. 1 to 3, comprising: a main support 1, a pallet 2 and a pull-up member 3. Wherein:
the main stand 1 includes a main stand main body 15, a first hand-held portion 16 provided at one end of the main stand main body 15, and a second hand-held portion 17 provided at the other end of the main stand main body 15. The main bracket main body 15 is used for connecting other components, and the first handheld part 16 and the second handheld part 17 are convenient for a doctor or two or more doctors to hold so as to lift the main bracket 1; at some time, one of the hand-held parts can be supported at a certain position, and the main bracket 1 can be lifted by utilizing the lever principle.
The support plate 2 is arranged below the main support 1, is connected with the middle part of the main support 1, and has a first overturning state suitable for being inserted below the femoral head and a second overturning state suitable for pushing the femoral head out of the support plate 2.
The lifting piece 3 is used for lifting the supporting plate 2 and is switched between a first overturning state and a second overturning state.
The lift-draw formula hip joint resetting means of this embodiment is when using, inserts the femoral head below with layer board 2 earlier, then upwards lifts main support 1, and then through layer board 2 lifting femoral head, behind layer board 2 highly being higher than the acetabulum, moves this device and then moves layer board 2 to the suitable position of acetabulum top, slowly lifts again and draws the structure, slowly adjusts layer board 2 to the second upset state by first upset state, along with the upset of layer board 2, inside the femoral head fell into the acetabulum gradually, accomplishes and resets.
Two parallel and opposite connecting plates 11 are fixedly arranged below the middle part of the main support 1, and the supporting plate 2 is arranged between the two connecting plates 11 in a turnover way. Specifically, two connecting plates 11 are arranged along the width direction of the main support 1; the pallet 2 has a left end 21 and a right end 22 arranged along the length direction of the main support 1, and a front end 23 and a rear end 24 arranged along the width direction of the main support 1; the front end 23 and the rear end 24 of the pallet 2 are connected with the two connection plates 11 in a turnable manner.
The left end 21 of the pallet 2 is arranged substantially flush with the respective side of the two connection plates 11; the bottom surface of the supporting plate 2 is basically flush with the bottom surfaces of the two connecting plates 11; the position of the front end 23 close to the left end 21 is rotatably connected with the connecting plate 11 at the corresponding position through a first rotating shaft 25; the position of the rear end 24 close to the left end 21 is rotatably connected with the connecting plate 11 at the corresponding position through a second rotating shaft 26; the first rotating shaft 25 and the second rotating shaft 26 are coaxially disposed. The advantage of so setting up lies in, when using to carry the pull-up piece to carry and carry layer board 2, left end 21 position can not be outwards outstanding downwards, can practice thrift the space, avoids bringing the pressure for the space between femoral head and the acetabulum that originally is nervous, avoids tearing more human tissue as far as possible. The space formed by the two connecting plates 11, the supporting plate 2 and the main bracket 1 can restrict the activity space of the femoral head and reduce the movement of the femoral head on the supporting plate.
Preferably, the middle portion of the support plate 2 is recessed downward to form an arc-shaped groove 27 extending along the length direction of the main stand 1. The design of the arc-shaped groove 27 can more conveniently insert the supporting plate 2 below the femoral head, and particularly, the arc-shaped groove 27 of the supporting plate 2 can be more conveniently inserted below the femoral head; in addition, the arc-shaped groove 27 also has a limiting effect on the femoral head, and the design of the arc-shaped groove 27 increases the contact area between the supporting plate 2 and the femoral head, so that the force can be more conveniently applied to the femoral head, and the movement of the femoral head on the supporting plate 2 is reduced.
Preferably, the arcuate slot 27 is closed towards the side of the pull member 3, the closed arrangement serving to provide a stop against the femoral head passing out of the right end 22.
Preferably, the main support 1 is provided with a strip-shaped through hole 12 extending along the length direction; one end of each of the two connecting plates 11 is fixedly connected with the bottom of the main bracket 1 positioned on the two sides of the strip-shaped through hole 12; the space formed by the two connecting plates 11, the supporting plate 2 and the main support 1 can restrict the activity space of the femoral head and reduce the movement of the femoral head on the supporting plate 2.
As shown in fig. 4, the lifting piece 3 includes a lifting rod 31, a limiting rod 32 and a lifting handle 33; one end of the lifting rod 31 is rotatably connected with the right end 22 of the supporting plate 2, and the other end of the lifting rod extends upwards into the strip through hole 12; the limiting rod 32 is transversely arranged above the long through hole 12 and is fixedly connected with one end of the lifting rod 31, which extends out of the long through hole 12; the lifting handle 33 is fixedly arranged on the limiting rod 32. The lifting rod 31 is connected with the supporting plate 2 and the limiting rod 32, the limiting rod 32 is transversely arranged above the strip through hole 12 and can limit the supporting plate 2, when the supporting plate 2 is inserted below the femoral head, the femoral head gives downward pressure to the supporting plate 2, and the limiting function of the limiting rod 31 can prevent the supporting plate 2 from being overturned due to the fact that the supporting plate is pressed down by the femoral head; that is, the lifting member of the present embodiment can drive the support plate to change the state while maintaining the first tilted state of the support plate 2 when inserting the support plate 2 under the femoral head.
Preferably, the device also comprises a limiting hole 13, a limiting through hole 34 and a limiting shaft 35; wherein, the limiting holes 13 are arranged on the main bracket 1 at two sides of the strip through hole 12 in pairs; the limiting through hole 34 is correspondingly formed in the limiting rod 32; the limiting shaft 35 penetrates through the limiting through hole 34 and then is inserted into the limiting hole 13 to limit the limiting rod 32; when the limiting rod 32 is limited by the limiting shaft 35, the supporting plate 2 is in the first overturning state. Insert the in-process of femoral head below with layer board 2, can produce the interact power between femoral head and the layer board 2, if not prescribing a limit to the gag lever post, can promote layer board 2 and drive to carry and draw piece 3 to 16 directions movements of first handheld portion, lead to layer board 2 to insert the difficulty, and the setting of spacing axle 35 can avoid the emergence of this condition, has guaranteed that the insertion process is smooth.
The right end 22 of the supporting plate 2 is provided with a connecting block 28, and the connecting block 28 is provided with a first connecting through hole 29; one end of the lifting rod 31 is provided with a U-shaped opening 36, and the side wall of the U-shaped opening 36 opposite to the two ends of the first connecting through hole 29 is provided with a second connecting through hole 37; after the connecting rotating shaft 38 passes through the second connecting through hole 37 and the first connecting through hole 29, the connecting block 28 and the lifting rod 31 are rotatably connected. The supporting plate 2 and the lifting structure are connected with each other through the rotatable connection of the connecting block 28 and the lifting rod 31, and the supporting plate 2 can be driven to switch between the first overturning state and the second overturning state through the lifting structure.
Preferably, the device also comprises two auxiliary baffles 14 which are respectively connected with one side of the connecting plate 11 facing to the right end of the supporting plate 2 and/or the main bracket 1 at corresponding positions, an interval space is formed between the two auxiliary baffles 14, and the connecting block 28 extends outwards from the interval space; the two auxiliary baffles 14 and the lifting rod 31 are matched with each other, so that the femoral head can be prevented from sliding out when moving on the supporting plate 2, the moving space of the femoral head is restricted, and the movement of the femoral head on the supporting plate 2 is reduced.
The use method of the lifting type hip joint reduction device provided by the embodiment is as follows:
when a patient needs hip joint reduction, firstly the supporting plate 2 is inserted below the femoral head to ensure that the femoral head enters the arc-shaped groove 27;
then, holding the hand-held parts at two sides of the main support main body 15 by two hands, lifting the main support 1 upwards, further driving the supporting plate 2 to lift the femoral head through the connecting plate 11 until the height of the supporting plate 2 is higher than that of the acetabulum, and moving the device to move the supporting plate 2 to a proper position above the acetabulum;
and then the lifting rod 31 is slowly lifted upwards, so that the supporting plate 2 is converted into a second turnover state from the first turnover state, and the contact area between the femoral head and the supporting plate is gradually reduced along with the conversion of the state of the supporting plate 2 until the femoral head falls into the acetabulum, and the reduction is completed.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. A lift-pull hip reduction device, comprising:
a main support (1) having a certain length;
the supporting plate (2) is arranged below the main support (1), is connected with the middle part of the main support (1), can be overturned, and has a first overturning state suitable for being inserted below a femoral head and a second overturning state suitable for pushing the femoral head out of the supporting plate (2);
a lifting piece (3) for lifting the supporting plate (2) to switch between the first overturning state and the second overturning state;
two parallel and opposite connecting plates (11) are fixedly arranged below the middle part of the main support (1), and the supporting plate (2) is arranged between the two connecting plates (11) in a turnover manner;
the main bracket (1) is provided with a strip-shaped through hole (12) extending along the length direction of the main bracket;
one ends of the two connecting plates (11) are respectively and fixedly connected with the bottoms of the main brackets (1) positioned at two sides of the strip-shaped through hole (12);
the pulling element (3) comprises:
one end of the lifting rod (31) is rotatably connected with the right end (22) of the supporting plate (2), and the other end of the lifting rod extends upwards into the strip through hole (12);
the limiting rod (32) is transversely arranged above the long through hole (12) and is fixedly connected with one end, extending out of the long through hole (12), of the lifting rod (31);
and the lifting handle (33) is fixedly arranged on the limiting rod (32).
2. The pull-up hip reduction device according to claim 1, wherein:
the two connecting plates (11) are arranged along the width direction of the main bracket (1);
the supporting plate (2) is provided with a left end (21) and a right end (22) which are arranged along the length direction of the main support (1), and a front end (23) and a rear end (24) which are arranged along the width direction of the main support (1);
the front end (23) and the rear end (24) of the supporting plate (2) are respectively connected with the two connecting plates (11) in a turnover mode.
3. The pull-up hip reduction device according to claim 2, wherein:
the left end (21) of the supporting plate (2) is basically flush with the corresponding side edges of the two connecting plates (11);
the bottom surface of the supporting plate (2) is basically flush with the bottom surfaces of the two connecting plates (11);
the position of the front end (23) close to the left end (21) is rotatably connected with the connecting plate (11) at the corresponding position through a first rotating shaft (25);
the position of the rear end (24) close to the left end (21) is rotatably connected with the connecting plate (11) at the corresponding position through a second rotating shaft (26);
the first rotating shaft (25) and the second rotating shaft (26) are coaxially arranged.
4. The pull-up hip reduction device according to claim 3, wherein: the middle part of the supporting plate (2) is downwards sunken to form an arc-shaped groove (27) extending along the length direction of the main bracket (1).
5. The pull-up hip reduction device according to claim 1, further comprising:
the limiting holes (13) are a pair and are formed in the main support (1) on two sides of the strip-shaped through hole (12);
the limiting through hole (34) is correspondingly formed in the limiting rod (32);
the limiting shaft (35) penetrates through the limiting through hole (34) and then is inserted into the limiting hole (13) to limit the limiting rod (32);
when the limiting rod (32) is limited by the limiting shaft, the supporting plate (2) is in the first overturning state.
6. The pull-up hip reduction device according to claim 2, wherein:
a connecting block (28) is arranged at the right end (22) of the supporting plate (2), and a first connecting through hole (29) is formed in the connecting block (28);
one end of the lifting rod (31) is provided with a U-shaped opening (36), and the side wall of the U-shaped opening (36) opposite to the two ends of the first connecting through hole (29) is provided with a second connecting through hole (37);
after the connecting rotating shaft (38) penetrates through the second connecting through hole (37) and the first connecting through hole (29), the rotatable connection between the connecting block (28) and the lifting rod (31) is realized.
7. The pull-up hip reduction device according to claim 6, wherein: the supporting plate is characterized by further comprising two auxiliary baffle plates (14), the two auxiliary baffle plates (14) are respectively connected with one side, facing the right end of the supporting plate (2), of the connecting plate (11) and/or the main support (1) at the corresponding position, an interval space is formed between the two auxiliary baffle plates (14), and the connecting block (28) extends outwards from the interval space.
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| CN202110368720.3A CN113081411B (en) | 2021-04-06 | 2021-04-06 | Lifting type hip joint resetting device |
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| CN202110368720.3A CN113081411B (en) | 2021-04-06 | 2021-04-06 | Lifting type hip joint resetting device |
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| CN113081411B true CN113081411B (en) | 2023-02-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6482209B1 (en) * | 2001-06-14 | 2002-11-19 | Gerard A. Engh | Apparatus and method for sculpting the surface of a joint |
| JP2015024077A (en) * | 2013-07-29 | 2015-02-05 | 株式会社ソフィアテック | Hip joint immobilization device and hip joint stabilization treatment device |
| CN203885593U (en) * | 2014-05-19 | 2014-10-22 | 中国人民解放军第二军医大学 | Hip joint repositor |
| CN106491198B (en) * | 2016-11-16 | 2019-03-05 | 闻泰医疗科技（上海）有限公司 | A kind of vertebral slippage pulling apparatus |
| CN209770595U (en) * | 2018-11-01 | 2019-12-13 | 赵滨 | Prosthesis resetting device for artificial hip joint replacement |
| CN209220369U (en) * | 2018-11-28 | 2019-08-09 | 大博医疗科技股份有限公司 | A kind of movable knee joint femoral condyle lifting hook |
| CN210204855U (en) * | 2019-04-23 | 2020-03-31 | 孙宇 | Vertebral lamina opening forceps |
| CN210144808U (en) * | 2019-05-30 | 2020-03-17 | 青岛大学附属医院 | Femoral prosthesis resetting device in artificial hip joint replacement |
| CN111000666A (en) * | 2019-12-26 | 2020-04-14 | 赵滨 | Device for preventing artificial hip joint dislocation and using method thereof |
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