WO2015065306A1 - Distractor to use in extension operations of hand and jaw bones - Google Patents
Distractor to use in extension operations of hand and jaw bones Download PDFInfo
- Publication number
- WO2015065306A1 WO2015065306A1 PCT/TR2014/000409 TR2014000409W WO2015065306A1 WO 2015065306 A1 WO2015065306 A1 WO 2015065306A1 TR 2014000409 W TR2014000409 W TR 2014000409W WO 2015065306 A1 WO2015065306 A1 WO 2015065306A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mentioned
- plaques
- movement
- distractor
- rod
- Prior art date
Links
Classifications
-
- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—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, 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
- A61B17/663—Alignment, compression or distraction mechanisms for jaw bones, e.g. subcutaneous distractors with external access
-
- 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
- A61B17/8019—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 where the means are a separate tool rather than being part of the plate
-
- 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
- A61B17/8071—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 for the jaw
-
- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
- A61B17/663—Alignment, compression or distraction mechanisms for jaw bones, e.g. subcutaneous distractors with external access
- A61B17/666—Alignment, compression or distraction mechanisms for jaw bones, e.g. subcutaneous distractors with external access for alveolar distraction
-
- 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
- A61B17/8023—Variable length plates adjustable in both directions
Definitions
- Invention is about extension operation of bones which is an important part of movement system to maintain the human life. It is about a distractor to use in the shortness of hand, finger and jaw bones and extension of bones in that area.
- Distraction period is the time period that pulling force is applied to the bones that diverged with osteotomy. In this period, bone pieces slowly detract from each other to let the new bones fill that gap.
- the stress that occured on the slightly strecthed tissues causes changes on cellular and subcellular level. That changes can be evaluated as growth stimulation and shaping effect.
- the formation of the new tissue develops parallel to pulling vector.
- the fibrosis tissue of soft callus starts to condense around the distraction axis. Fibroblast like cells, which are in the collagen fibers, also arrange in an order of the distraction direction.
- the apparatus called distractor usable in extension operations of finger and jaw bones while in usage, stays two or three times more than the operation time in the operation area and is not removed after the extension ended. This duration is called consolidation time. Consolidation time is necessary for new bone development and full ostosis in the extension area. In previous distractors, after the extension procedure, distractor has to stay in the distraction area and this effects patience's comfort and daily life quality in the negative way. Besides that, the bigness of the outside part of the distractor limits the daily activities of patiences.
- distractor works with a mechanism which is bonded to the bone and meanwhile only a rod comes out for the stretch. At the end of the extension procedure, that rod can be removed without waiting consolidation process is to be over and the patience can do the daily activities easily.
- Invention is characterized by; a plaque (1) which has at least one fixing hole (1.1), joint system (2), a movement mechanism (3) consists rail (3.1), gear (3.2), infinite screw (3.3), rod (3.4), stretch arm (3.5) and a pin (4).
- the rail (3.1 ) in the movement mechanism (3) is the piece which provides the movement in the horizantal plane and makes the bedding of the plaques (1 ) during the distraction.
- Gear (3.2), with the group of infinite screw (3.3) and rod (3.4), provides the reverse movement of plaques (1 ) towards each other and the distraction by the force which operator applies with the stretch arm.
- plaques (1 ) are fixed to the hand or jaw bone which is planning to extend with a screw through the fixing hole (1 .1 ) on the plaque (1 ) and a joint system (2) that has a proper width for the bone. Opened area is closed by the operator. The operations after that, are made with help of the stretch arm (3.5) which is applied to the rod (3.4) that runs the movement mechanism (3).
- the stretch arm (3.5) will only be applied when the intervention is needed and not having an apparatus with disturbing length on the skin of the operated area, will let the patience continue to his daily life comfortably.
- the long parts on the skin has to be protected by the patience with an extra ordinary care, because the treatment will be uncompleted if an impact or a hit comes and must start over.
- the distractor in our invention only has the connection part of the rod (3.4) head to the stretch arm (3.5) outside of the skin. Because of the reduced risk of getting a hit or an impact of that part, the patience's treatment can be completed comfortably and not interrupted.
Abstract
Invention is about an extension operation of bones that is an important part of movement system to maintain the human life. It is about a distractor to use in the shortness of hand, finger and jaw bones and extension of bones in that area.
Description
DESCRIPTION
DISTRACTOR TO USE IN EXTENSION OPERATIONS OF HAND AND JAW
BONES TECHNICAL FIELD
Invention is about extension operation of bones which is an important part of movement system to maintain the human life. It is about a distractor to use in the shortness of hand, finger and jaw bones and extension of bones in that area.
PRIOR ART
Distraction period is the time period that pulling force is applied to the bones that diverged with osteotomy. In this period, bone pieces slowly detract from each other to let the new bones fill that gap. During the osteodistraction, normal progression of healing of the fracture, is distrupted by the pulling force that applied to the soft callus. The stress that occured on the slightly strecthed tissues, causes changes on cellular and subcellular level. That changes can be evaluated as growth stimulation and shaping effect. The formation of the new tissue, develops parallel to pulling vector. When the distraction starts, the fibrosis tissue of soft callus starts to condense around the distraction axis. Fibroblast like cells, which are in the collagen fibers, also arrange in an order of the distraction direction.
In between the third and seventh days of distraction, capillary vessels move into the fibrosis tissue. By this way, vascular web expands on the surfaces of two neighbour bones, not only to the center. In the second week of the distraction, primary trabeculas start to develop. Osteoblasts that localized along the collagen fibrils, release the osteoid material on these fibrils. On the existing bone walls, osteogenezis starts and move towards to the distraction cavity center. At the end of the second week, osteoid material starts to mineralize.
In the center of the distraction cavity, where pulling forces are maximum, slightly mineralized, radiolucent fibrosis interzone can be observed. This area
constitutes an origin for the fibroblast proliferation and fibrosis tissue development. Fibrosis and cartilage mixed tissue in this area, shows that- membranous and endochondral ostosis is important while the distraction. Bone development occurs along the pulling vector and continues during the distraction period.
The apparatus called distractor usable in extension operations of finger and jaw bones, while in usage, stays two or three times more than the operation time in the operation area and is not removed after the extension ended. This duration is called consolidation time. Consolidation time is necessary for new bone development and full ostosis in the extension area. In previous distractors, after the extension procedure, distractor has to stay in the distraction area and this effects patience's comfort and daily life quality in the negative way. Besides that, the bigness of the outside part of the distractor limits the daily activities of patiences.
In the craniofacial distraction, generally two types of apparatuses are used according to distractor's localization. These are, extraosseous (external parts of the bone) and intraosseous (internal parts of the bone) apparatuses. Apparatuses for external parts of the bone; has a pretty big size. It has parts which makes rotation, placed from oral mucosa to the oral cavity. For that reason, it has risks of infection from oral cavity. Besides, for the apparatus for external parts of the bone, the bone that will be distracted must be at least 6-7 mm width for placing the distractor without a fracture. The apparatuses for the internal parts of the bone are smaller. One of the biggest advantages of these, implants can be placed in the distractor hole. And this can cause problems for primary stability in the implant. The biggest disadvantage of the distractors for the inner part of the bone is the loss of the new developed callus while the removal.
BRIEF DESCRIPTION OF THE INVENTION
The mainly problem in the bone extension procedures, is keeping the extension apparatus called distractor, for a long period of time in that area and depending on that, reducing the comfort of the patience and also it is open for
trauma for being an exterior apparatus. With the described invention, distractor works with a mechanism which is bonded to the bone and meanwhile only a rod comes out for the stretch. At the end of the extension procedure, that rod can be removed without waiting consolidation process is to be over and the patience can do the daily activities easily.
LIST OF THE FIGURES
Figure 1. Assembled Perspective View
Figure 2. Assembled Upper View
Figure 3. Exploded View
Figure 4. Detailed A View
Figure 5. Detailed B View
Description of the Reference Numerals :
1. Plaque
1.1. Fixing Hole
2. Joint System
3. Movement Mechanism
3.1. Rail
3.2. Gear
3.3. Infinite Screw
3.4. Rod
3.5. Stretch Arm
4. Pin
DETAILED DESCRIPTION OF THE INVENTION
Invention is characterized by; a plaque (1) which has at least one fixing hole (1.1), joint system (2), a movement mechanism (3) consists rail (3.1), gear (3.2), infinite screw (3.3), rod (3.4), stretch arm (3.5) and a pin (4).
There are at least two plaques (1) on the distractor which are fasten with the fixing holes to the bone during the extension procedure. Joint system (2) is used for the proper positioning of the plaques (1) for fixing to the bone.
Movement mechanism (3) is a part; that provides the reverse movement of the plaques (1 ) to each other. With the advantage of blocking reverse movement feature of the infinite screw (3.3); during the distraction, the movement of the plaques (1 ) towards to each other can certainly be blocked. The rail (3.1 ) in the movement mechanism (3); is the piece which provides the movement in the horizantal plane and makes the bedding of the plaques (1 ) during the distraction. Gear (3.2), with the group of infinite screw (3.3) and rod (3.4), provides the reverse movement of plaques (1 ) towards each other and the distraction by the force which operator applies with the stretch arm.
The apply of the invention; plaques (1 ) are fixed to the hand or jaw bone which is planning to extend with a screw through the fixing hole (1 .1 ) on the plaque (1 ) and a joint system (2) that has a proper width for the bone. Opened area is closed by the operator. The operations after that, are made with help of the stretch arm (3.5) which is applied to the rod (3.4) that runs the movement mechanism (3). The stretch arm (3.5) will only be applied when the intervention is needed and not having an apparatus with disturbing length on the skin of the operated area, will let the patience continue to his daily life comfortably. In the prior art, the long parts on the skin has to be protected by the patience with an extra ordinary care, because the treatment will be uncompleted if an impact or a hit comes and must start over. The distractor in our invention only has the connection part of the rod (3.4) head to the stretch arm (3.5) outside of the skin. Because of the reduced risk of getting a hit or an impact of that part, the patience's treatment can be completed comfortably and not interrupted.
After the plaque (1 ) is placed, at the end of an reasonable waiting period, the infinite screw (3.3) is rotated by turning the stretch arm (5.3), mounted on rod (3.4) head. By transferring this movement to the gear (3.2), plaques (1 ) starts to glide away in the opposite direction by moving on the rail (3.1 ). By applying this process periodically, the intended extension amount can be reached. With the help of the pins (4) which combine the plaques (1 ) and joint . system (2), the contact of the plaques (1 ) to the bone surface is provided with the optimum angle. Besides, after the bone extension procedure is completed,
joint system (2) and movement mechanism (3) can be removed from the under skin by pulling the pins (4) off.
Claims
1. Invention is a distractor to use in extension operations of hand and jaw bones, consists of a plaque (1) contains at least one fixing hole (1.1), a joint system (2), a movement mechanism (3) and a pin (4) parts.
2. The plaque (1) mentioned in claim 1 , which is characterized by being existed with at least two pieces in the system.
3. The plaque (1) mentioned in claim 1 , characterized by being fixed to the hand or jaw bone with the proper width.
4. The joint system (2) mentioned in claim 1 , is characterized by being the part which positions the plaques (1) to the bone surface properly.
5. The movement mechanism (3) mentioned in claim 1 , consists of rail
(3.1) , gear (3.2), infinite screw (3.3), rod (3.4), stretch arm (3.5) parts.
6. The gear (3.2) mentioned in claim 5, is characterized by being the part which provides the reverse movement of the plaques (1) from each other by transferring the eliptical movement from the infinite screw (3.3).
7. The infinite screw (3.3) mentioned in claim 5, is characterized by being the part which transfers the eliptical movement to the gear
(3.2) for making the plaques (1) move in the opposite direction in the horizantal axis.
8. The infinite screw (3.3) mentioned in claim 5, is characterized by being the part which blocks the plaques (1) to get closer after their opposite movement.
9. The rod (3.4) mentioned in claim 5, is characterized by being the part which provides the actuation of the infinite screw (3.3) with help of the stretch arm (3.5) by the operator.
10. The stretch arm (3.5) mentioned in claim 5, is characterized by being the part which is detachable to the rod (3.4) head.
11. The stretch arm (3.5) mentioned in claim 5, is characterized by being the part which provides the actutaion of the movement mechanism (3) after attached to the rod (3.4) head when the operator rotates.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TR2013/12732 | 2013-11-04 | ||
| TR201312732 | 2013-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015065306A1 true WO2015065306A1 (en) | 2015-05-07 |
Family
ID=52339265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/TR2014/000409 WO2015065306A1 (en) | 2013-11-04 | 2014-11-04 | Distractor to use in extension operations of hand and jaw bones |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2015065306A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3257456A3 (en) * | 2016-06-14 | 2018-04-04 | Stryker European Holdings I, LLC | Gear mechanisms for fixation frame struts |
| CN109965968A (en) * | 2019-05-14 | 2019-07-05 | 姜伟 | A kind of modified thoracoscope uses rib bone connection device |
| FR3136952A1 (en) * | 2022-06-23 | 2023-12-29 | Adapsia | Intraoral distractor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997020512A1 (en) * | 1995-12-01 | 1997-06-12 | Walker David A | Telescopic bone plate for use in bone lenghtening by distraction osteogenesis |
| US20070162045A1 (en) * | 2005-12-22 | 2007-07-12 | Osteomed L.P. | Curve linear and straight mandibular distractor with occlusion correction feature |
| US20100152734A1 (en) * | 2008-12-16 | 2010-06-17 | Craniotech Acr Devices, Llc | System And Method For Mandibular Bone Transport Reconstruction |
| WO2011038209A2 (en) * | 2009-09-24 | 2011-03-31 | Synthes Usa, Llc | Distractor with removable footplates |
| US20120277749A1 (en) * | 2011-04-26 | 2012-11-01 | Azagen Mootien | Hinged Fixation Devices for Combined Upper Jaw Correction |
-
2014
- 2014-11-04 WO PCT/TR2014/000409 patent/WO2015065306A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997020512A1 (en) * | 1995-12-01 | 1997-06-12 | Walker David A | Telescopic bone plate for use in bone lenghtening by distraction osteogenesis |
| US20070162045A1 (en) * | 2005-12-22 | 2007-07-12 | Osteomed L.P. | Curve linear and straight mandibular distractor with occlusion correction feature |
| US20100152734A1 (en) * | 2008-12-16 | 2010-06-17 | Craniotech Acr Devices, Llc | System And Method For Mandibular Bone Transport Reconstruction |
| WO2011038209A2 (en) * | 2009-09-24 | 2011-03-31 | Synthes Usa, Llc | Distractor with removable footplates |
| US20120277749A1 (en) * | 2011-04-26 | 2012-11-01 | Azagen Mootien | Hinged Fixation Devices for Combined Upper Jaw Correction |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3257456A3 (en) * | 2016-06-14 | 2018-04-04 | Stryker European Holdings I, LLC | Gear mechanisms for fixation frame struts |
| US10010350B2 (en) | 2016-06-14 | 2018-07-03 | Stryker European Holdings I, Llc | Gear mechanisms for fixation frame struts |
| US11504160B2 (en) | 2016-06-14 | 2022-11-22 | Stryker European Operations Holdings Llc | Gear mechanisms for fixation frame struts |
| CN109965968A (en) * | 2019-05-14 | 2019-07-05 | 姜伟 | A kind of modified thoracoscope uses rib bone connection device |
| FR3136952A1 (en) * | 2022-06-23 | 2023-12-29 | Adapsia | Intraoral distractor |
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