CN112274231A - Chute type single-side double-needle multifunctional hand orthosis - Google Patents
Chute type single-side double-needle multifunctional hand orthosis Download PDFInfo
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- CN112274231A CN112274231A CN202011039222.6A CN202011039222A CN112274231A CN 112274231 A CN112274231 A CN 112274231A CN 202011039222 A CN202011039222 A CN 202011039222A CN 112274231 A CN112274231 A CN 112274231A
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- plane
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- sliding groove
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000000399 orthopedic effect Effects 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 abstract description 12
- 230000035876 healing Effects 0.000 abstract description 6
- 208000010392 Bone Fractures Diseases 0.000 description 22
- 206010017076 Fracture Diseases 0.000 description 18
- 230000000694 effects Effects 0.000 description 6
- 208000014674 injury Diseases 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000026137 Soft tissue injury Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010061619 Deformity Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 210000001145 finger joint Anatomy 0.000 description 1
- 210000004553 finger phalanx Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000011164 ossification Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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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
- A61B17/60—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
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The sliding groove type single-side double-needle multifunctional hand orthosis comprises a threaded rod, wherein two opposite side surfaces of the threaded rod are flattened into a first plane and a second plane which are parallel to each other, the first plane is provided with a first guide sliding groove and a second guide sliding groove which are sequentially arranged in the axial direction, and the first guide sliding groove and the second guide sliding groove are through holes between the first plane and the second plane; the first guide chute and the second guide chute are respectively provided with a spicule fixing mechanism, the spicule fixing mechanism comprises a sliding block, two sides of the sliding block are respectively tightly attached to a locking nut, and the locking nuts are in threaded connection with the threaded rods; the edge of slider is equipped with the needle groove of wearing of through-hole form, and the spicule is worn to establish and is worn to wear the needle inslot and pass first direction spout or second direction spout, and the spicule has the part to expose outside wearing the needle groove and contradict with lock nut. The invention improves the anti-pull-out force of the spicule and the fixing strength between the spicule and the bone, has stable integral structure and simple operation, simultaneously has the functions of extension and pressurization, and greatly accelerates the healing of the osteotomy.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a sliding groove type single-side double-needle multifunctional hand orthosis.
Background
The hand is one of the unique organs of the human being and is the main tool for the human being to create wealth. In real life, palm and finger bones of a hand are fractured or fingers are damaged due to trauma, congenital malformation, tumors and inflammation, so that the functions of the hand are seriously influenced.
The palm and finger fractures of the hand are mostly fixed by plaster and small splints in the traditional treatment, often complicated with fracture deformity healing and finger joint stiffness, and the effect is not ideal. In recent years, hospitals at home and abroad adopt incision reduction on the fracture, and the internal fixation of the miniature steel plate has better effect. However, the operation and the injury of the method are relatively large, the fracture healing time is long, generally 5-8 weeks or even longer, the muscle building and the bone fracture plate are abraded for a long time by the stretching and bending activities of the hands, and the muscle building and the bone fracture plate need to be taken out and fixed in the second period. The requirement of internal fixation of the miniature bone fracture plate on the soft tissue condition of the local fracture part is high, the finger bone fracture of many hands is accompanied by skin soft tissue injury, and the application of the bone fracture plate is greatly limited.
The loss of finger length, especially the multiple-finger defect, will affect the function of the hand, and the treatment day is to increase the finger length, maintain the normal feeling of the skin at the finger tip, and recover the function of the finger. The traditional skin tube bone grafting method can increase the length of the affected finger, but the finger is thick and thick, lacks feeling, is easy to be frostbitten and broken and is not popular with patients. The free toe transplantation can regenerate the fingers with satisfactory appearance and function, but the operation is complicated, one toe needs to be sacrificed, and the method is not suitable for treating the multi-finger defects.
With the development of fracture fixation technology and the deep research of orthopedics biomechanics, people pay more attention to the important position of the external fixator in the orthopedics treatment. Dienst et al believe that the fracture is treated by an external fixator, the reduction and adjustment of which are convenient and firm, and which are beneficial to controlling and treating soft tissue injury. It is widely believed that elastic fixation is an effective way to promote fracture healing, and external fixation brackets are one of the more desirable forms of elastic fixation. A miniature single-side multifunctional external fixing support is developed in Zhongjia and the like, and has the expected effect of treating the fracture of the metacarpophalangeal bones and the extension of fingers. The flat unilateral metacarpophalangeal external fixator developed by Stanim and the like also achieves good treatment effect. However, these two devices are complicated in structure, complicated in connection and locking, and not easy to operate in extension or pressurization. The products commonly used abroad mainly comprise an ortho miniature external fixing bracket and an AO hand external fixing bracket, the fixing effect is reliable, but the price is high, and the extension and the pressurization can not be carried out.
Disclosure of Invention
In order to overcome the problems, the invention provides a chute type single-side double-needle multifunctional hand orthosis for treating metacarpophalangeal fracture and finger extension, recovering and improving the functions of hands.
The technical scheme adopted by the invention is as follows: the multi-functional hand orthopedic ware of slotted unilateral duplex, its characterized in that: the threaded rod comprises a threaded rod, two opposite side surfaces of the threaded rod are flattened into a first plane and a second plane which are parallel to each other, a first guide sliding groove and a second guide sliding groove which are sequentially arranged in the axial direction are formed in the first plane, and the first guide sliding groove and the second guide sliding groove are through holes between the first plane and the second plane; the first guide chute and the second guide chute are respectively provided with a spicule fixing mechanism, the spicule fixing mechanism comprises a sliding block, two ends of the sliding block are respectively attached to a locking nut, the shape of a central hole of the sliding block is matched with the cross section of the threaded rod, so that the sliding block can be slidably and non-rotatably arranged on the threaded rod in a penetrating mode, and the locking nut is in threaded connection with the threaded rod; the edge of the end part of the sliding block is provided with a through-hole-shaped needle penetrating groove, the spicule penetrates through the needle penetrating groove and penetrates through the first guide sliding groove or the second guide sliding groove, and part of the cross section of the spicule is exposed out of the cross section of the needle penetrating groove and is abutted against the locking nut; the locking nut is provided with a jacking screw which can jack the locking nut with the threaded rod, and the axial direction refers to the central axis direction of the threaded rod.
Further, the needle threading groove is perpendicular to the first plane and the second plane.
Furthermore, two opposite side surfaces of the sliding block are flattened into a third plane and a fourth plane which are parallel to each other, the third plane and the fourth plane are parallel to the first plane and the second plane, and the end part of the needle penetrating groove is positioned on the third plane or the fourth plane.
The invention has the beneficial effects that: (1) the half spicules are used for fixing, so that the pulling resistance of the spicules and the fixing strength between the spicules and bones are improved; (2) the connecting mode of a single-plane single-side double-needle structure and a threaded rod is adopted, so that the integral structure is stable, and the operation is simple; (3) the sliding block with the groove and the locking nut are used together, so that the bone needle can be fixed and can also be used as a guider of the bone needle; (4) the locking nut is provided with the positioning screw, so that the stability of fixing the spicule is enhanced; (5) the spicules are fixed on the side of the extensor tendon of the finger, and have little influence on the movement of the finger; (6) the fixed segment is limited to the local part of the fracture and does not influence the movement of the connected joints; (7) the lengthening and locking mechanism is simple, and doctors and patients can complete the adjustment and fixation of the locking nut by using a simple vascular clamp; (8) has the functions of extension and pressurization, and can be used for keeping the length of fingers in the initial stage of fracture and bone defect and promoting fracture healing in the later stage; the traditional Chinese medicine composition has mild effect (0.5mm/d) on finger lengthening patients, has no obvious traction injury on finger nerve vessels, and greatly accelerates the healing of the osteotomy by relying on the principle of distraction osteogenesis.
Many places in China are still in semi-mechanization and semi-automation, the incidence rate of hand trauma is high, the damage of bones and joints occupies a large proportion, so that the orthosis has a wide market prospect, compared with similar foreign instruments, the sale price of the orthosis is 5000-6000 yuan, the estimated sale price of the orthosis is only half of that of the orthosis, and the medical expense is greatly reduced. The popularization of the orthosis can reduce the disability rate and improve the health level of people, and has remarkable social and economic benefits.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a front view of the threaded rod.
Fig. 4 is a side view of the slider.
Fig. 5 is a side view of the lock nut.
Figure 6 is a schematic representation of the invention in use.
Description of reference numerals: 1. a threaded rod; 11. a first plane; 12. a second plane; 21. a first guide chute; 22. a second guide chute; 3. a bone needle; 4. a slider; 41. a needle penetrating groove; 42. a third plane; 43. a fourth plane; 5. locking the nut; 51. and (5) tightly pushing the screw.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to the attached drawings, the sliding groove type single-side double-needle multifunctional hand orthosis comprises a threaded rod 1, two opposite side surfaces of the threaded rod 1 are flattened into a first plane 11 and a second plane 12 which are parallel to each other, the first plane 11 is provided with a first guide sliding groove 21 and a second guide sliding groove 22 which are sequentially arranged in the axial direction, and the first guide sliding groove 21 and the second guide sliding groove 22 are through holes between the first plane 11 and the second plane 12; the first guide chute 21 and the second guide chute 22 are respectively provided with a spicule fixing mechanism, the spicule fixing mechanism comprises a sliding block 4, two ends of the sliding block 4 are respectively tightly attached to a locking nut 5, the shape of a central hole of the sliding block 4 is matched with the cross section of the threaded rod 1, so that the sliding block 4 can slidably but non-rotatably penetrate through the threaded rod 1, two opposite side surfaces of the sliding block 4 are flattened into a third plane 42 and a fourth plane 43 which are parallel to each other, the third plane 42 and the fourth plane 43 are parallel to the first plane 11 and the second plane 12, and the locking nut 5 is in threaded connection with the threaded rod 1; the edge of the end part of the sliding block 4 is provided with a needle passing groove 41 in a through hole shape, the needle passing groove 41 is perpendicular to the first plane 11 and the second plane 12, and the end part of the needle passing groove 41 is positioned on a third plane 42 or a fourth plane 43; the spicule 3 penetrates through the needle passing groove 41 and penetrates through the first guide sliding groove 21 or the second guide sliding groove 22, and part of the cross section of the spicule 3 is exposed out of the cross section of the needle passing groove 41 and is abutted against the locking nut 5; the lock nut 5 is provided with a tightening screw 51 for tightening the screw with the threaded rod 1, and the axial direction is the central axis direction of the threaded rod 1.
Two locking nuts 5 of the spicule fixing mechanism are respectively arranged at two ends of the sliding block 4, and the spicule 3 between the sliding block 4 and the locking nuts 5 is clamped and fixed. The spicules 3 of the two spicule fixing mechanisms respectively penetrate through bones at two sides of the fracture end, and the spicules 3 penetrate through the first guide sliding groove 21 or the second guide sliding groove 22. The two spicule fixing mechanisms can move towards the near end or the far end along the first guide sliding groove 21 or the second guide sliding groove 22 under the pushing of the locking nut 5, at the moment, the spicules 3 move in the first guide sliding groove 2 or the second guide sliding groove 22, the distance between the spicules 3 of the two spicule fixing mechanisms is changed, the fracture end is prolonged or pressurized, and then the two spicule fixing mechanisms are positioned on the threaded rod, so that the positioning distance of the spicules is kept.
The hand orthosis in the embodiment is made of 316L medical stainless steel, the diameter of the threaded rod is 4mm, the length of the threaded rod is 40mm, 55mm or 70mm, and the thread pitch of the threaded rod is 1 mm; the groove width of direction spout is 2.2mm, and the diameter of spicule is 2mm, and the pointed end has 5 mm's long thick screw thread, and lock nut's internal diameter is 4mm, the external diameter is 8mm, and the thickness of slider is 9mm, and the interval that two needle grooves were worn to the slider is 6mm, and the radius of wearing the needle groove is 1 mm.
When the fracture reduction device is used, the four bone pins 3 are screwed into metacarpals or phalanges to reduce fracture, the threaded rod 1 with the guide sliding groove 2 connects the four bone pins 3 through the locking nut 5 and the sliding block 4, and the locking nut 5 and the positioning screw 51 are adjusted to fix and maintain fracture reduction. If the fractured end needs to be pressurized or prolonged, the locking nut 5 is adjusted, and the spicule 3 moves along the first guide sliding groove 21 or the second guide sliding groove 22 to exert the function of prolonging or pressurizing the fractured end.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but rather by the equivalents thereof as may occur to those skilled in the art upon consideration of the present inventive concept.
Claims (3)
1. The multi-functional hand orthopedic ware of slotted unilateral duplex, its characterized in that: the threaded rod comprises a threaded rod, two opposite side surfaces of the threaded rod are flattened into a first plane and a second plane which are parallel to each other, a first guide sliding groove and a second guide sliding groove which are sequentially arranged in the axial direction are formed in the first plane, and the first guide sliding groove and the second guide sliding groove are through holes between the first plane and the second plane; the first guide chute and the second guide chute are respectively provided with a spicule fixing mechanism, the spicule fixing mechanism comprises a sliding block, two ends of the sliding block are respectively attached to a locking nut, the shape of a central hole of the sliding block is matched with the cross section of the threaded rod, so that the sliding block can be slidably and non-rotatably arranged on the threaded rod in a penetrating mode, and the locking nut is in threaded connection with the threaded rod; the edge of the end part of the sliding block is provided with a through-hole-shaped needle penetrating groove, the spicule penetrates through the needle penetrating groove and penetrates through the first guide sliding groove or the second guide sliding groove, and part of the cross section of the spicule is exposed out of the cross section of the needle penetrating groove and is abutted against the locking nut; the locking nut is provided with a jacking screw which can jack the locking nut with the threaded rod, and the axial direction refers to the central axis direction of the threaded rod.
2. The chute-type, single-sided, double-needle, multi-functional hand orthosis of claim 1, wherein: the needle threading groove is perpendicular to the first plane and the second plane.
3. The chute-type, single-sided, double-needle, multi-functional hand orthosis of claim 1, wherein: the opposite two side surfaces of the sliding block are flattened into a third plane and a fourth plane which are parallel to each other, the third plane and the fourth plane are parallel to the first plane and the second plane, and the end part of the needle penetrating groove is positioned on the third plane or the fourth plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011039222.6A CN112274231A (en) | 2020-09-28 | 2020-09-28 | Chute type single-side double-needle multifunctional hand orthosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011039222.6A CN112274231A (en) | 2020-09-28 | 2020-09-28 | Chute type single-side double-needle multifunctional hand orthosis |
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| Publication Number | Publication Date |
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| CN112274231A true CN112274231A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011039222.6A Pending CN112274231A (en) | 2020-09-28 | 2020-09-28 | Chute type single-side double-needle multifunctional hand orthosis |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037217U (en) * | 1988-08-30 | 1989-05-10 | 中国人民解放军空军上海第一医院 | Single-side outside fixator for fracture |
| CN1543915A (en) * | 2003-11-21 | 2004-11-10 | 南京市鼓楼医院 | External fixer for radius distal fracture |
| CN201104912Y (en) * | 2007-08-08 | 2008-08-27 | 张元生 | Three-dimensional regulate and control resetting-fixing device for bone fracture |
| CN201108488Y (en) * | 2007-12-20 | 2008-09-03 | 周建明 | Articulatio carpi exterior fixing rack |
| CN202128532U (en) * | 2011-05-27 | 2012-02-01 | 浙江神腾康慈生物医药科技有限公司 | Wrist joint external fixator |
| CN202179587U (en) * | 2011-07-22 | 2012-04-04 | 天津市新中医疗器械有限公司 | Multifunctional external fixator with lengthening and pressurizing functions |
| CN204797981U (en) * | 2015-03-10 | 2015-11-25 | 河北工程大学附属医院 | Fixed leading -in positioner of fingers and palms bone reduction of fracture ke shi needle |
| CN205251661U (en) * | 2016-01-19 | 2016-05-25 | 谢伟 | Radius distal end fracture traction frame for art |
| CN107789043A (en) * | 2017-11-22 | 2018-03-13 | 广州新诚生物科技有限公司 | External fixation devices |
| CN209091588U (en) * | 2018-10-10 | 2019-07-12 | 哈尔滨博斯首创医疗设备有限公司 | A kind of single screw rod long bone fixer in vitro |
| CN209847350U (en) * | 2019-03-15 | 2019-12-27 | 石家庄钱乙医疗器械科技有限公司 | Foot bone locking device |
| CN214049032U (en) * | 2020-09-28 | 2021-08-27 | 杭州整形医院有限公司 | Chute type single-side double-needle multifunctional hand orthosis |
-
2020
- 2020-09-28 CN CN202011039222.6A patent/CN112274231A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037217U (en) * | 1988-08-30 | 1989-05-10 | 中国人民解放军空军上海第一医院 | Single-side outside fixator for fracture |
| CN1543915A (en) * | 2003-11-21 | 2004-11-10 | 南京市鼓楼医院 | External fixer for radius distal fracture |
| CN201104912Y (en) * | 2007-08-08 | 2008-08-27 | 张元生 | Three-dimensional regulate and control resetting-fixing device for bone fracture |
| CN201108488Y (en) * | 2007-12-20 | 2008-09-03 | 周建明 | Articulatio carpi exterior fixing rack |
| CN202128532U (en) * | 2011-05-27 | 2012-02-01 | 浙江神腾康慈生物医药科技有限公司 | Wrist joint external fixator |
| CN202179587U (en) * | 2011-07-22 | 2012-04-04 | 天津市新中医疗器械有限公司 | Multifunctional external fixator with lengthening and pressurizing functions |
| CN204797981U (en) * | 2015-03-10 | 2015-11-25 | 河北工程大学附属医院 | Fixed leading -in positioner of fingers and palms bone reduction of fracture ke shi needle |
| CN205251661U (en) * | 2016-01-19 | 2016-05-25 | 谢伟 | Radius distal end fracture traction frame for art |
| CN107789043A (en) * | 2017-11-22 | 2018-03-13 | 广州新诚生物科技有限公司 | External fixation devices |
| CN209091588U (en) * | 2018-10-10 | 2019-07-12 | 哈尔滨博斯首创医疗设备有限公司 | A kind of single screw rod long bone fixer in vitro |
| CN209847350U (en) * | 2019-03-15 | 2019-12-27 | 石家庄钱乙医疗器械科技有限公司 | Foot bone locking device |
| CN214049032U (en) * | 2020-09-28 | 2021-08-27 | 杭州整形医院有限公司 | Chute type single-side double-needle multifunctional hand orthosis |
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