CN105997220A - Elastic minimally invasive bone plate for long bone fracture - Google Patents
Elastic minimally invasive bone plate for long bone fracture Download PDFInfo
- Publication number
- CN105997220A CN105997220A CN201610291737.2A CN201610291737A CN105997220A CN 105997220 A CN105997220 A CN 105997220A CN 201610291737 A CN201610291737 A CN 201610291737A CN 105997220 A CN105997220 A CN 105997220A
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- CN
- China
- Prior art keywords
- plate
- fracture
- blade plate
- bone
- long bone
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—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, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—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, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8085—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with pliable or malleable elements or having a mesh-like structure, e.g. small strips
Abstract
An elastic minimally invasive bone plate for long bone fracture belongs to the technical field of orthopaedic medical apparatus and instruments, and is used for performing minimally invasive treatment on long bone fracture. The elastic minimally invasive bone plate is wave-shaped, can effectively disperse the stress on the bone plate, and can prevent rupture of the bone plate; the width of the bone plate is about one-sixth to two-third of the common fixing steel plates, oppression on a local bone cortex vascular network can be relieved, and the situations of necrosis of local bone cortex due to blood undersupply can be greatly reduced; through the wave-shaped design, the bone plate has certain elasticity in the longitudinal direction, can be applied to lower limbs, can press a fracture end through the weight of a human body, and then stimulate blood vessel regeneration of the fracture end, and promote fracture healing. The bone plate for long bone fracture is a first creation of a long bone fracture bone plate, can solve the difficult problems that exist in the conventional steel plates and cannot be solved in long term, can provide a powerful support for long bone fracture minimally invasive operation using steel plates, and has remarkable economic and social benefits.
Description
Technical field
The present invention relates to a kind of micro wound coaptation plate treating acropathy long bone fractures, belong to orthopedic medical device technical field.
Background technology
In orthopaedics therapy, acropathy long bone fractures is commonly encountered diseases and frequently-occurring disease clinically, mainly due to external force collision, fall, the natural disaster such as traffic accident accident and earthquake is caused.For shaft fracture, ripe technology is to use marrow nail treatment, but some is time to be also the fine indication of Interal fixation, such as near-end or distal bone folded block less, and application Interal fixation is undoubtedly the most excellent selection.During application Interal fixation, clinician need to consider two kinds of situations: if fixing the most stable, can affect callus formation, then affect speed of fracture union；If fixing shakiness, stress raisers can be caused, it is likely that the situation of the fatigue fracture of steel plate occurs.But most notably, owing to steel plate directly contacts with surface of bone, and pressurize, periosteal vessels net is oppressed, affects the blood supply of cortical bone, occur that the cortical bone of local is downright bad, finally slow down the healing rate of fracture, the phenomenon of fracture delayed union or disunion even occurs.Along with extensively carrying out of orthopaedics Minimally Invasive Surgery, the superiority of Minimally Invasive Surgery day by day manifests, apply Minimally Invasive Surgery the most imperative in treatment acropathy long bone fractures, but currently used blade plate width is big, it is not suitable with Minimally Invasive Surgery, more importantly the most effectively solved due to the weak point of above-mentioned Interal fixation so that Interal fixation is applied and be there is the biggest uncertainty in Minimally Invasive Surgery, it would be highly desirable to medical worker and scientific research personnel solve.
Summary of the invention
The technical problem to be solved is to provide a kind of elastic micro wound coaptation plate for long bone fracture, this blade plate has certain elasticity, can stress suffered by dispersion bone plate effectively, prevent blade plate stress centrality from rupturing, the compressing to local cortical bone vasoganglion can also be reduced, thus greatly reduce the necrosis that local bone cortex occurs because blood supply is not enough, promote union of fracture, be particularly well-suited to Minimally Invasive Surgery application.
The technical scheme solving above-mentioned technical problem is:
A kind of elastic micro wound coaptation plate for long bone fracture, it is elongated plates, the plate face alongst undulate of blade plate, the both sides, plate face of blade plate have crest and trough to be spaced respectively, multiple lock hole is had on the plate face of blade plate, lock hole is uniform in plate face along the length direction of blade plate, the arc that the plate face of blade plate is bent upwards for centre in the direction of the width, the radian of winding arc matches with the surface radian in long bone cross section, the length of blade plate is suitable with the length of long bone, and the width of blade plate is 10-20mm.
The above-mentioned elastic micro wound coaptation plate for long bone fracture, it is individual that the described corrugated crest of blade plate length direction and trough are respectively 10-30, and crest is identical with the height of trough and shape is mutually matched.
The above-mentioned elastic micro wound coaptation plate for long bone fracture, the lock hole of described blade plate is positioned on the centrage of blade plate, or it is positioned at the both sides of the edge of blade plate, or protrudes the latch-up-free hole, fracture line region in the outside of blade plate, within the 20-50mm of fracture line both sides.
The above-mentioned elastic micro wound coaptation plate for long bone fracture, the position of the lock hole of described blade plate crest corrugated with blade plate is relative or relative with corrugated trough, or between corrugated crest and trough.
The above-mentioned elastic micro wound coaptation plate for long bone fracture, the top of described lock hole is circular groove, and bottom is screw, and the degree of depth of circular groove and diameter match with height and the diameter of the head of a nail of lock screw, and the diameter of screw matches with the external diameter of lock screw.
The invention has the beneficial effects as follows:
The present invention uses wavy shape, has a following remarkable advantage:
First, blade plate is undulated design, can stress suffered by dispersion bone plate effectively, prevent blade plate stress from concentrating, the fracture of blade plate occur then；Secondly, the fixation steel plate that the width ratio of blade plate is general is narrow a lot, it is about 2nd/1 to three/6ths of conventional fixation steel plate, it is possible to reduce the compressing to local cortical bone vasoganglion, thus greatly reduces the necrosis that local bone cortex occurs because blood supply is not enough；It is equally important that owing to using undulated design, blade plate longitudinally can have certain elasticity, based on this, if being applied to lower limb, the weight of human body can be relied on to realize fracture end pressurization, stimulate the revascularization of fracture end, thus promote union of fracture.
The present invention is the pioneering of long bone fracture blade plate, solve blade plate stress present in existing Interal fixation to concentrate and rupture, oppress periosteal vessels net and cause affect the blood supply of cortical bone and occur that the cortical bone of local is downright bad, affect the long-term difficult problems not solved such as the healing fractured, for long bone fracture Minimally Invasive Surgery using Interal fixation provide strong science and technology support, there is significant economic and social benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the second structural representation of the present invention；
Fig. 3 is the third structural representation of the present invention；
Fig. 4 is the 4th kind of result schematic diagram of the present invention；
Fig. 5 is the 5th kind of result schematic diagram of the present invention；
Fig. 6 is locked out the structural representation in hole.
In figure, labelling is as follows: blade plate 1, lock hole 2, circular groove 3, screw 4, lock screw 5, fracture line region 6.
Detailed description of the invention
Fig. 1-5 shows, the elastic micro wound coaptation plate of the present invention is elongated plates, the plate face alongst undulate of blade plate 1, the two ends of blade plate are divided into two kinds, can be that strip plate shape is as end, it is also possible to be corrugated continuity, the both sides, plate face of blade plate 1 have crest and trough to be spaced respectively, the corrugated crest of blade plate 1 length direction and trough are respectively 10-30, and crest is identical with the height of trough and shape is mutually matched.Owing to blade plate 1 uses undulated design, can stress suffered by dispersion bone plate 1 effectively, prevent blade plate stress from concentrating, the fracture of blade plate 1 occur then.Blade plate 1 uses undulated design, longitudinally can have certain elasticity, based on this, if being applied to lower limb, the weight of human body can be relied on to realize fracture end pressurization, stimulate the revascularization of fracture end, thus promote union of fracture.
Fig. 1-5 shows, the arc that the plate face of blade plate 1 is bent upwards for centre in the direction of the width, and the radian of winding arc and the surface radian in long bone cross section match, and the length of blade plate 1 is suitable with the length of long bone, and the width of blade plate 1 is 10-20mm.The steel plate width of the blade plate 1 of the present invention is narrower than common fixation steel plate a lot, it is about 2nd/1 to three/6ths of common fixation steel plate, so the compressing to local cortical bone vasoganglion can be reduced, thus greatly reduce the necrosis that local bone cortex occurs because blood supply is not enough.
The a length of 50-290mm of the blade plate 1 of one embodiment of the present of invention, width is 10-20mm, and thickness is 4-6mm.
Fig. 1-5 shows, the plate face of blade plate 1 has multiple lock hole 2, and lock hole 2 is uniform in plate face along the length direction of blade plate 1.
Fig. 1-5 shows, the lock hole 2 of blade plate 1 is positioned on the centrage of blade plate 1, or it is positioned at the both sides of the edge of blade plate 1, or protrude in the outside of blade plate 1, or directly communicate with blade plate 1 both sides, lock hole edge partial thickening, cup depth D=2-4mm, the latch-up-free hole, fracture line region 62 within the 20-50mm of fracture line both sides.
Fig. 1-5 shows, the position crest corrugated with blade plate 1 of the lock hole 2 of blade plate 1 is relative or relative with corrugated trough, or between corrugated crest and trough.
Fig. 6 shows, the top of lock hole 2 is circular groove 3, and bottom is screw 4, and the degree of depth of circular groove 3 and diameter match with height and the diameter of the head of a nail of lock screw 5, and the diameter of screw 4 matches with the external diameter of lock screw 5.Circular groove 3 is the head of a nail in order to accommodate lock screw 5, reduces the head of a nail damage to surrounding soft tissue, and screw 4 is to form locking relation with lock screw 5, and fracture end imposes definite fixation.
A diameter of 4-7mm of the circular groove 3 of the lock hole 2 of one embodiment of the present of invention, the degree of depth is 2mm, a diameter of 2-5mm of screw 4, and the degree of depth is 2-4mm.
Claims (5)
1. the elastic micro wound coaptation plate for long bone fracture, it is characterized in that: it is elongated plates, the plate face alongst undulate of blade plate (1), the both sides, plate face of blade plate (1) have crest and trough to be spaced respectively, multiple lock hole (2) is had on the plate face of blade plate (1), lock hole (2) is uniform in plate face along the length direction of blade plate (1), the arc that the plate face of blade plate (1) is bent upwards for centre in the direction of the width, the radian of winding arc matches with the surface radian in long bone cross section, the length of blade plate (1) is suitable with the length of long bone, the width of blade plate (1) is 10-20mm.
Elastic micro wound coaptation plate for long bone fracture the most according to claim 1, it is characterised in that: the corrugated crest of described blade plate (1) length direction and trough are respectively 10-30, and crest is identical with the height of trough and shape is mutually matched.
Elastic micro wound coaptation plate for long bone fracture the most according to claim 2, it is characterized in that: the lock hole (2) of described blade plate (1) is positioned on the centrage of blade plate (1), or it is positioned at the both sides of the edge of blade plate (1), or protrude fracture line region (6) the latch-up-free hole (2) in the outside of blade plate (1), within the 20-50mm of fracture line both sides.
Elastic micro wound coaptation plate for long bone fracture the most according to claim 3, it is characterized in that: the position of the lock hole (2) of described blade plate (1) is relative with blade plate (1) corrugated crest, or relative with corrugated trough, or between corrugated crest and trough.
Elastic micro wound coaptation plate for long bone fracture the most according to claim 4, it is characterized in that: the top of described lock hole (2) is circular groove (3), bottom is screw (4), the degree of depth of circular groove (3) and diameter match with height and the diameter of the head of a nail of lock screw (5), and the diameter of screw (4) matches with the external diameter of lock screw (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610291737.2A CN105997220A (en) | 2016-05-05 | 2016-05-05 | Elastic minimally invasive bone plate for long bone fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610291737.2A CN105997220A (en) | 2016-05-05 | 2016-05-05 | Elastic minimally invasive bone plate for long bone fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105997220A true CN105997220A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610291737.2A Pending CN105997220A (en) | 2016-05-05 | 2016-05-05 | Elastic minimally invasive bone plate for long bone fracture |
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| Country | Link |
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| CN (1) | CN105997220A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1105105A (en) * | 1912-02-10 | 1914-07-28 | William O'n Sherman | Surgical appliance. |
| US4905679A (en) * | 1988-02-22 | 1990-03-06 | M P Operation, Inc. | Bone fracture reduction device and method of internal fixation of bone fractures |
| US6364881B1 (en) * | 1997-07-30 | 2002-04-02 | Interpore Cross International | Longitudinally adjustable bone plates and method for use thereof |
| US20040102775A1 (en) * | 2002-11-19 | 2004-05-27 | Huebner Randall J. | Bone plates with slots |
| CN102008347A (en) * | 2010-11-23 | 2011-04-13 | 马丽昕 | Ponze steel plate with lock and aiming fixing device |
| CN105011999A (en) * | 2014-04-16 | 2015-11-04 | 上海交通大学医学院附属新华医院 | Fixing plate and wire threading hook |
| CN206007350U (en) * | 2016-05-05 | 2017-03-15 | 陈伟 | A kind of elastic micro wound coaptation plate for long bone fracture |
-
2016
- 2016-05-05 CN CN201610291737.2A patent/CN105997220A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1105105A (en) * | 1912-02-10 | 1914-07-28 | William O'n Sherman | Surgical appliance. |
| US4905679A (en) * | 1988-02-22 | 1990-03-06 | M P Operation, Inc. | Bone fracture reduction device and method of internal fixation of bone fractures |
| US6364881B1 (en) * | 1997-07-30 | 2002-04-02 | Interpore Cross International | Longitudinally adjustable bone plates and method for use thereof |
| US20040102775A1 (en) * | 2002-11-19 | 2004-05-27 | Huebner Randall J. | Bone plates with slots |
| CN102008347A (en) * | 2010-11-23 | 2011-04-13 | 马丽昕 | Ponze steel plate with lock and aiming fixing device |
| CN105011999A (en) * | 2014-04-16 | 2015-11-04 | 上海交通大学医学院附属新华医院 | Fixing plate and wire threading hook |
| CN206007350U (en) * | 2016-05-05 | 2017-03-15 | 陈伟 | A kind of elastic micro wound coaptation plate for long bone fracture |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |
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| WD01 | Invention patent application deemed withdrawn after publication |