CN104873262A - Instant compression hip screw plate and instant compression hip screw system - Google Patents
Instant compression hip screw plate and instant compression hip screw system Download PDFInfo
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- CN104873262A CN104873262A CN201510307264.6A CN201510307264A CN104873262A CN 104873262 A CN104873262 A CN 104873262A CN 201510307264 A CN201510307264 A CN 201510307264A CN 104873262 A CN104873262 A CN 104873262A
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- 230000006835 compression Effects 0.000 title claims abstract description 63
- 238000007906 compression Methods 0.000 title claims abstract description 63
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 210000001694 thigh bone Anatomy 0.000 claims description 21
- 210000000689 upper leg Anatomy 0.000 claims description 9
- 210000003141 lower extremity Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004873 anchoring Methods 0.000 abstract 1
- 206010017076 Fracture Diseases 0.000 description 7
- 208000010392 Bone Fractures Diseases 0.000 description 6
- 206010020100 Hip fracture Diseases 0.000 description 5
- 208000006735 Periostitis Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000003460 periosteum Anatomy 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 108010048734 sclerotin Proteins 0.000 description 2
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
- A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
- A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
- A61B17/746—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck the longitudinal elements coupled to a plate opposite the femoral head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/862—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the periphery of the screw head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B2017/681—Alignment, compression, or distraction mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to an instant compression hip screw plate and an instant compression hip screw system. The instant compression hip screw plate comprises a locking compression steel plate, a steel plate sleeve, a tension screw and a compression screw; the steel plate sleeve comprises an upper through hole and a lower through hole; a main part of the tension screw is provided with teeth; the compression steel plate is fixedly connected with the steel plate sleeve; the tension screw penetrates the upper through hole; the compression screw penetrates the lower through hole; a thread part of the compression screw meshes with the teeth of the main part of the tension screw; a connection of the compression steel plate and the steel plate sleeve is provided with a fixing device used for fixing the compression screw. The instant compression hip screw plate and the instant compression hip screw system have the advantages that the Z effect of a common double-screw system is avoided, poor anti-rotation capacity caused by insufficiency of anchoring force of the single screw is avoided, evident linear compression occurs to a fracture when the compression screw is driven in, such compression is direct, continuous, effective and controllable, and internal fixation failure of a DHS (dynamic hip screw) caused by excess sliding is basically avoided.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of instant pressurization hip screw steel plate and system, particularly a kind of instant pressurization hip screw steel plate and system fundamentally having stopped the Unstable internal fixation that DHS causes because of excessive slip.
Background technology
Intertrochanteric fracture of the femur is mainly in elderly patient, and Elderly patients osteoporosis also becomes a large reason of intertrochanteric fracture of the femur.Intertrochanteric fracture of the femur is one of modal fracture of old people, and mortality rate is high.Early operation contributes to reducing complication, reduces mortality.The method of current treatment intertrochanteric fracture of the femur is more, as gusset internal fixtion, condyle plate internal fixtion, hip screw internal fixtion, self-locking nail internal fixtion, dynamic hip screw fix, Richard pegboard systems etc.The multiformity of Therapeutic Method highlights the difficulty of this type of injury in treating, and therefore correct treatment Elderly patients intertrochanteric fracture of the femur is the important topic that each orthopedist will face.
In the above-mentioned methods, dynamic hip screw is fixedly method relatively more conventional clinically at present.Dynamic hip screw is followed closely by sliding compression screw, sleeve blade plate, tail pressurized screw and blade plate and is formed.Dynamic hip screw drive screw slides along sleeve, produces dynamic property follow-up pressurization, increase fractures stability, promote union of fracture fracture end.But find in use practice, dynamic hip screw fixedly there will be excessive slip, causes Unstable internal fixation.
Summary of the invention
The technical problem to be solved in the present invention is: in order to fundamentally stop the problem of the Unstable internal fixation that dynamic hip screw causes because of excessive slip, the invention provides a kind of instant pressurization hip screw steel plate and system, lag screw can be screwed in upper through hole, fracture is fixed, then the forcing screw be meshed with lag screw can be adopted to pressurize, produce fracture linearly to pressurize significantly, and this pressurization is direct continuous and effective and controllable pressurization, be conducive to the healing of fracturing, fundamentally stop the Unstable internal fixation that DHS causes because of excessive slip.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of instant pressurization hip screw steel plate, comprising:
Side Lucking compression plate, described side Lucking compression plate is provided with several for side Lucking compression plate being fixed on the fixing hole on the backbone of near end of thighbone,
Side plate sleeve, described side plate sleeve axis direction is provided with through hole and lower through-hole, and described upper through hole is connected with lower through-hole, forms " " font through hole,
Described side Lucking compression plate is fixedly connected with side plate sleeve, and the angle between the backbone of the angle between side Lucking compression plate and side plate sleeve and near end of thighbone and neck of femur is matched.
Particularly, the contact surface of the backbone of described side Lucking compression plate and near end of thighbone is cambered surface.
As preferably, the radius of curvature of described contact surface is less than the radius of curvature of the backbone of near end of thighbone.
As preferably, the edge that described side Lucking compression plate contacts with the backbone of near end of thighbone is rounded down.
As preferably, the geometry of space form of described contact surface and the key configuration of surface of near end of thighbone match.
As preferably, the angle between described side Lucking compression plate and side plate sleeve is 125 °-130 °.
As preferably, the angle between described side Lucking compression plate and side plate sleeve is °.
As preferably, described side Lucking compression plate and side plate sleeve one-body molded.
As preferably, the adjustable angle between described side Lucking compression plate and side plate sleeve.
A kind of instant pressurization hip screw system, comprising:
Above-mentioned instant pressurization hip screw steel plate,
Lag screw, described lag screw comprises lag screw body and lag screw threaded portion, and described lag screw body is provided with teeth, and
Forcing screw, described forcing screw comprises forcing screw head and forcing screw threaded portion,
Described lag screw is located in through hole, forcing screw is located in lower through-hole, described forcing screw threaded portion is meshed with the teeth of lag screw body, and the connecting portion of described side Lucking compression plate and side plate sleeve is provided with the fixture for fixing forcing screw.
Particularly, described fixture comprises the screw being arranged on side Lucking compression plate and plate sleeve junction, side, and the lock screw be detachably arranged in screw, described lock screw comprises the head of a nail and nail body, when nail body is arranged in screw, the head of a nail contacts with the lower limb of forcing screw, and is fixed in lower through-hole by forcing screw.
Particularly, the side that described lag screw body is provided with teeth is provided with the arcuate groove be convenient to described forcing screw threaded portion and be meshed with teeth.
The invention has the beneficial effects as follows:
One provided by the invention instant pressurization hip screw steel plate, while avoiding general two screw system " Z-shaped effect ", the not enough anti-rotation performance caused is poor with joint efforts because of anchor to turn avoid single screw; Angle between side Lucking compression plate and side plate sleeve is 125 °-130 °, avoids when the sclerotin of femoral head neck the first half is relatively loose, easily occurs the complication such as screw cutting when lag screw is positioned at this region; The radius of curvature of contact surface is less than the radius of curvature of the backbone of near end of thighbone, and the two edges contact skeleton of steel plate, defines doublet contact, thus decrease contact area, prevents the destruction that steel plate is transported the compressing of periosteum and local blood; Be rounded down in the edge that two-wire contacts simultaneously, reduce the incisura that side Lucking compression plate is formed periosteum;
The instant pressurization hip screw system of one provided by the invention, produce fracture linearly to pressurize significantly when being screwed into forcing screw, and this pressurization is direct continuous and effective and controllable pressurization, is conducive to the healing of fracturing, has fundamentally stopped the Unstable internal fixation that DHS causes because of excessive slip; By tightening the lock screw on the Lucking compression plate of side, utilize lock screw fixing joint inter-locking screw group, the forcing screw in the plate sleeve of side stops sliding, and makes internal fixation system form an entirety, reaches the stable of biomechanics.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the axonometric chart of integrated instant pressurization hip screw steel plate of the present invention;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is the axonometric chart of instant pressurization hip screw system of the present invention;
Fig. 4 is the axonometric chart that lag screw of the present invention and forcing screw are meshed;
Fig. 5 is the axonometric chart of lag screw of the present invention;
Fig. 6 is the axonometric chart of forcing screw of the present invention;
Fig. 7 is the axonometric chart of lock screw of the present invention.
In figure: 1. side Lucking compression plate, 11. fixing holes, 2. side plate sleeve, through hole on 21., 22. lower through-holes, 3. lag screw, 31. lag screw bodies, 32. lag screw threaded portions, 33. teeth, 34. arcuate grooves, 4. forcing screw, 41. forcing screw heads, 42. forcing screw threaded portion, 5. screw, 6. lock screw, 61. heads of a nail, 62. nail body, 7. contact surfaces.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1 and Figure 2, a kind of instant pressurization hip screw steel plate, is characterized in that comprising:
Side Lucking compression plate 1, side Lucking compression plate 1 is provided with several for side Lucking compression plate 1 being fixed on the fixing hole 11 on the backbone of near end of thighbone,
Side plate sleeve 2, side plate sleeve 2 axis direction is provided with through hole 21 and lower through-hole 22, and upper through hole 21 is connected with lower through-hole 22, forms figure of eight through hole,
Side Lucking compression plate 1 is fixedly connected with side plate sleeve 2, and the angle between the backbone of the angle between side Lucking compression plate 1 and side plate sleeve 2 and near end of thighbone and neck of femur is matched.
In a kind of detailed description of the invention, in order to ensure that side Lucking compression plate 1 fully contacts with the backbone of near end of thighbone, improve its fixed effect, side Lucking compression plate 1 is cambered surface with the contact surface 7 of the backbone of near end of thighbone, and the geometry of space form of contact surface 7 and the key configuration of surface of near end of thighbone match.
In a kind of detailed description of the invention, side Lucking compression plate 1 is cambered surface with the contact surface 7 of the backbone of near end of thighbone, and the radius of curvature of contact surface 7 is less than the radius of curvature of the backbone of near end of thighbone.The two edges contact skeleton of steel plate, defines doublet contact, thus decreases contact area, prevents the destruction that steel plate is transported the compressing of periosteum and local blood.
As preferably, the edge that side Lucking compression plate 1 contacts with the backbone of near end of thighbone is rounded down, and reduces the incisura that side Lucking compression plate is formed periosteum
In a kind of detailed description of the invention, the angle between side Lucking compression plate 1 and side plate sleeve 2 is 125 °-130 °.Preferably 127 °, avoid when the sclerotin of femoral head neck the first half is relatively loose, when lag screw is positioned at this region, easily occur the complication such as screw cutting.
As shown in Figure 1 and Figure 2, in a kind of detailed description of the invention, side Lucking compression plate 1 and side plate sleeve 2 one-body molded.
In a kind of detailed description of the invention, the adjustable angle between side Lucking compression plate 1 and side plate sleeve 2.Can carry out adjusting the angle between side Lucking compression plate 1 and side plate sleeve 2 according to the femur difference of different patient, expand its suitability.This adjustable structure can be structure disclosed in Chinese patent CN2852972Y, also can be other structures.
As shown in Fig. 3 to Fig. 7, a kind of instant pressurization hip screw system, comprising:
Above-mentioned instant pressurization hip screw steel plate,
Lag screw 3, lag screw 3 comprises lag screw body 31 and lag screw threaded portion 32, and lag screw body 31 is provided with teeth 33, and
Forcing screw 4, forcing screw 4 comprises forcing screw head 41 and forcing screw threaded portion 42,
Lag screw 3 is located in through hole 21, forcing screw 4 is located in lower through-hole 22, forcing screw threaded portion 42 is meshed with the teeth 33 of lag screw body 31, and the connecting portion of side Lucking compression plate 1 and side plate sleeve 2 is provided with the fixture for fixing forcing screw 4.
In a kind of detailed description of the invention, fixture can be: comprise the screw 5 being arranged on side Lucking compression plate 1 and side plate sleeve 2 junction, and the lock screw 6 be detachably arranged in screw 5, lock screw 6 comprises the head of a nail 61 and nail body 62, when nail body 62 is arranged in screw 5, the head of a nail 61 contacts with the lower limb of forcing screw 4, and is fixed in lower through-hole 22 by forcing screw 4.Also can be other fixture, as long as the object be fixed on by the forcing screw 4 adjusting position in lower through-hole 22 can be reached.
As shown in Figure 5, in a kind of detailed description of the invention, the side that can be provided with teeth 33 at lag screw body 31 is provided with the arcuate groove 34 be convenient to forcing screw threaded portion 42 and be meshed with teeth 33.Can make to engage between forcing screw threaded portion 42 with teeth 33 more abundant, be conducive to the stability of pressurizeing, wherein the radian of arcuate groove 34 external diameter that is best and forcing screw threaded portion 42 matches, and the radian also can being arranged to arcuate groove 34 is greater than the external diameter of forcing screw threaded portion 42.
Its use procedure or principle are:
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content in description, must determine its technical scope according to right.
Claims (11)
1. an instant pressurization hip screw steel plate, is characterized in that comprising:
Side Lucking compression plate (1), described side Lucking compression plate (1) is provided with several for side Lucking compression plate (1) being fixed on the fixing hole (11) on the backbone of near end of thighbone,
Side plate sleeve (2), described side plate sleeve (2) axis direction is provided with through hole (21) and lower through-hole (22), described upper through hole (21) is connected with lower through-hole (22), forms figure of eight through hole
Described side Lucking compression plate (1) is fixedly connected with side plate sleeve (2), and the angle between the backbone of the angle between side Lucking compression plate (1) and side plate sleeve (2) and near end of thighbone and neck of femur is matched.
2. instant pressurization hip screw steel plate as claimed in claim 1, is characterized in that: the contact surface (7) of the backbone of described side Lucking compression plate (1) and near end of thighbone is in cambered surface.
3. instant pressurization hip screw steel plate as claimed in claim 2, is characterized in that: the radius of curvature of described contact surface (7) is less than the radius of curvature of the backbone of near end of thighbone.
4. instant pressurization hip screw steel plate as claimed in claim 3, is characterized in that: the edge that described side Lucking compression plate (1) contacts with the backbone of near end of thighbone is rounded down.
5. instant pressurization hip screw steel plate as claimed in claim 2, is characterized in that: the geometry of space form of described contact surface (7) and the key configuration of surface of near end of thighbone match.
6. instant pressurization hip screw steel plate as claimed in claim 1, is characterized in that: the angle between described side Lucking compression plate (1) and side plate sleeve (2) is 125 °-130 °.
7. instant pressurization hip screw steel plate as claimed in claim 6, is characterized in that: the angle between described side Lucking compression plate (1) and side plate sleeve (2) is 127 °.
8. the instant pressurization hip screw as described in any one of claim 1-6, is characterized in that: the adjustable angle between described side Lucking compression plate (1) and side plate sleeve (2).
9. an instant pressurization hip screw system, is characterized in that comprising:
Instant pressurization hip screw steel plate as described in any one of claim 1-8,
Lag screw (3), described lag screw (3) comprises lag screw body (31) and lag screw threaded portion (32), and described lag screw body (31) is provided with teeth (33), and
Forcing screw (4), described forcing screw (4) comprises forcing screw head (41) and forcing screw threaded portion (42),
Described lag screw (3) is located in through hole (21), forcing screw (4) is located in lower through-hole (22), described forcing screw threaded portion (42) is meshed with the teeth (33) of lag screw body (31), and the connecting portion of described side Lucking compression plate (1) and side plate sleeve (2) is provided with the fixture for fixing forcing screw (4).
10. instant pressurization hip screw system as claimed in claim 9, it is characterized in that: described fixture comprises the screw (5) being arranged on side Lucking compression plate (1) and side plate sleeve (2) junction, and the lock screw (6) be detachably arranged in screw (5), described lock screw (6) comprises the head of a nail (61) and nail body (62), nail body (62) be arranged in screw (5) interior time, the head of a nail (61) contacts with the lower limb of forcing screw (4), and forcing screw (4) is fixed in lower through-hole (22).
11. instant pressurization hip screws as described in claim 9 or 10, is characterized in that: the side that described lag screw body (31) is provided with teeth (33) is provided with the arcuate groove (34) be convenient to described forcing screw threaded portion (42) and be meshed with teeth (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307264.6A CN104873262A (en) | 2015-06-04 | 2015-06-04 | Instant compression hip screw plate and instant compression hip screw system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307264.6A CN104873262A (en) | 2015-06-04 | 2015-06-04 | Instant compression hip screw plate and instant compression hip screw system |
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| Publication Number | Publication Date |
|---|---|
| CN104873262A true CN104873262A (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510307264.6A Pending CN104873262A (en) | 2015-06-04 | 2015-06-04 | Instant compression hip screw plate and instant compression hip screw system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437027A (en) * | 2020-05-11 | 2020-07-24 | 常州华森医疗器械有限公司 | Dynamic Compression Hip Screw Fixation System |
| CN112206047A (en) * | 2020-10-09 | 2021-01-12 | 厦门中科兴医疗器械有限公司 | Dynamic hip joint compression fixation system |
| CN113768599A (en) * | 2021-02-02 | 2021-12-10 | 浙江德康医疗器械有限公司 | Bone cement intramedullary nail fixing system |
| WO2023156848A1 (en) * | 2022-02-15 | 2023-08-24 | Stryker European Operations Limited | Fracture fixation system |
| EP4509077A3 (en) * | 2023-08-14 | 2025-04-30 | Stryker European Operations Limited | Recon hip screw |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2852972Y (en) * | 2005-11-18 | 2007-01-03 | 财团法人长庚纪念医院 | Variable Angle DHS Femoral Fixator |
| WO2007109302A2 (en) * | 2006-03-20 | 2007-09-27 | Smith & Nephew, Inc. | Orthopaedic plate and screw assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111437027A (en) * | 2020-05-11 | 2020-07-24 | 常州华森医疗器械有限公司 | Dynamic Compression Hip Screw Fixation System |
| CN111437027B (en) * | 2020-05-11 | 2025-02-11 | 常州华森医疗器械股份有限公司 | Dynamic Compression Hip Screw Fixation System |
| CN112206047A (en) * | 2020-10-09 | 2021-01-12 | 厦门中科兴医疗器械有限公司 | Dynamic hip joint compression fixation system |
| CN113768599A (en) * | 2021-02-02 | 2021-12-10 | 浙江德康医疗器械有限公司 | Bone cement intramedullary nail fixing system |
| WO2023156848A1 (en) * | 2022-02-15 | 2023-08-24 | Stryker European Operations Limited | Fracture fixation system |
| US12496107B2 (en) | 2022-02-15 | 2025-12-16 | Stryker European Operations Limited | Fracture fixation system |
| EP4509077A3 (en) * | 2023-08-14 | 2025-04-30 | Stryker European Operations Limited | Recon hip screw |
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