CN105147380A - Proximal femur triangle-fixing intramedullary nail locking device - Google Patents
Proximal femur triangle-fixing intramedullary nail locking device Download PDFInfo
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- CN105147380A CN105147380A CN201510652132.7A CN201510652132A CN105147380A CN 105147380 A CN105147380 A CN 105147380A CN 201510652132 A CN201510652132 A CN 201510652132A CN 105147380 A CN105147380 A CN 105147380A
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- intramedullary nail
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- 210000000689 upper leg Anatomy 0.000 title claims description 9
- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007906 compression Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 3
- 230000008733 trauma Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 206010020100 Hip fracture Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 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
- A61B17/72—Intramedullary devices, e.g. pins or nails
- A61B17/7233—Intramedullary devices, e.g. pins or nails with special means of locking the nail to the bone
- A61B17/7241—Intramedullary devices, e.g. pins or nails with special means of locking the nail to the bone the nail having separate elements through which screws pass
-
- 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
- A61B17/72—Intramedullary devices, e.g. pins or nails
- A61B17/7233—Intramedullary devices, e.g. pins or nails with special means of locking the nail to the bone
- A61B17/725—Intramedullary devices, e.g. pins or nails with special means of locking the nail to the bone with locking pins or screws of special form
-
- 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
- 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
Landscapes
- 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
本发明公开了一种股骨近端三角固定髓内钉的锁紧装置，包括髓内钉封口钉、第一股骨钉、第二股骨钉、髓内钉、锁定钉、压紧钉、所述第一股骨钉和第二股骨钉贯穿髓内钉的一端，所述锁定钉贯穿髓内钉另一端，所述髓内钉封口钉贯穿第一股骨钉、且与髓内钉螺纹连接，所述髓内钉内螺纹连接有压紧钉，所述髓内钉沿着中心轴线上下设置两段内螺纹；本发明股骨近端三角固定髓内钉的锁紧装置设置有髓内钉封口钉和压紧钉，由于压紧钉安装在第一股骨钉下方，在第二股骨钉上方，压住第二股骨钉，达到锁紧第二股骨钉的功能，使整个结构更加稳定耐用，使用寿命更长，有效避免产生创伤。
The invention discloses a locking device for a proximal femoral triangular fixation intramedullary nail, which comprises an intramedullary nail sealing nail, a first femoral nail, a second femoral nail, an intramedullary nail, a locking nail, a compression nail, the first The first femoral nail and the second femoral nail go through one end of the intramedullary nail, the locking nail goes through the other end of the intramedullary nail, the intramedullary nail sealing nail goes through the first femoral nail and is threadedly connected with the intramedullary nail, the The internal thread of the inner nail is connected with a compression nail, and the intramedullary nail is provided with two sections of internal thread up and down along the central axis; the locking device of the present invention is provided with an intramedullary nail sealing nail and a compression nail. Nail, because the compression nail is installed under the first femoral nail and above the second femoral nail, pressing the second femoral nail to achieve the function of locking the second femoral nail, making the whole structure more stable and durable, with a longer service life. Effectively avoid trauma.
Description
技术领域 technical field
本发明涉及骨科医疗器械领域，具体涉及一种股骨近端三角固定髓内钉的锁紧装置。 The invention relates to the field of orthopedic medical instruments, in particular to a locking device for a triangular fixation intramedullary nail at the proximal end of the femur.
背景技术 Background technique
股骨近端三角固定髓内钉治疗股骨转子间骨折是新出现的临床治疗器械。因为构成三角固定是使用两支螺钉，就是第一股骨钉和第二股骨钉。第一股骨钉在第二股骨钉上方，隔开了原来压紧第二股骨钉的髓内钉封口钉，因此，原来压紧第二股骨钉的功能失效了。 The proximal femoral triangular fixation intramedullary nail is a new clinical treatment device for the treatment of intertrochanteric fractures. Because two screws are used to form the triangular fixation, namely the first femoral nail and the second femoral nail. The first femoral nail is above the second femoral nail, separating the intramedullary nail sealing nail that originally compressed the second femoral nail. Therefore, the original function of compressing the second femoral nail is invalid.
发明内容 Contents of the invention
本发明要解决的技术问题是提供一种结构简单、使用安全、稳定性高和制造成本低的股骨近端三角固定髓内钉的锁紧装置。 The technical problem to be solved by the present invention is to provide a locking device for a proximal femoral triangular fixation intramedullary nail with simple structure, safe use, high stability and low manufacturing cost.
为解决上述问题，本发明采用如下技术方案： In order to solve the above problems, the present invention adopts the following technical solutions:
一种股骨近端三角固定髓内钉的锁紧装置，包括髓内钉封口钉、第一股骨钉、第二股骨钉、髓内钉、锁定钉、压紧钉、所述第一股骨钉和第二股骨钉贯穿髓内钉的一端，所述锁定钉贯穿髓内钉另一端，所述髓内钉封口钉贯穿第一股骨钉、且与髓内钉螺纹连接，所述髓内钉内螺纹连接有压紧钉，所述髓内钉沿着中心轴线上下设置两段内螺纹。 A locking device for proximal femur triangular fixation intramedullary nails, comprising intramedullary nail sealing nails, first femoral nails, second femoral nails, intramedullary nails, locking nails, compression nails, the first femoral nails and The second femoral nail penetrates one end of the intramedullary nail, the locking nail penetrates the other end of the intramedullary nail, the intramedullary nail sealing nail penetrates the first femoral nail, and is threadedly connected with the intramedullary nail, and the inner thread of the intramedullary nail A compression nail is connected, and the intramedullary nail is provided with two sections of internal threads up and down along the central axis.
进一步的，所述髓内钉位于上段的内螺纹是封口钉螺纹，所述髓内钉位于下段的内螺纹是压紧钉螺纹。 Further, the inner thread of the intramedullary nail at the upper section is a sealing screw thread, and the inner thread of the intramedullary nail at the lower section is a compression nail thread.
进一步的，所述封口钉螺纹孔径大于下段压紧钉螺纹的孔径。 Further, the diameter of the screw thread of the sealing nail is larger than the diameter of the screw thread of the lower compression nail.
进一步的，所述髓内钉封口钉底端不接触第一股骨钉。 Further, the bottom end of the intramedullary nail does not touch the first femoral nail.
进一步的，所述压紧钉设置在第一股骨钉的下方。 Further, the compression nail is arranged below the first femoral nail.
本发明的有益效果是：本发明股骨近端三角固定髓内钉的锁紧装置设置有髓内钉封口钉和压紧钉，由于压紧钉安装在第一股骨钉下方，在第二股骨钉上方，压住第二股骨钉，达到锁紧第二股骨钉的功能，使整个结构更加稳定耐用，使用寿命更长，有效避免产生创伤。 The beneficial effects of the present invention are: the locking device of the proximal femoral triangular fixation intramedullary nail of the present invention is provided with the intramedullary nail sealing nail and the compression nail, because the compression nail is installed below the first femoral nail, the second femoral nail On the top, press the second femoral nail to achieve the function of locking the second femoral nail, making the whole structure more stable and durable, with a longer service life and effectively avoiding trauma.
附图说明 Description of drawings
利用附图对本发明作进一步说明，但附图中的实施例不构成对本发明的任何限制，对于本领域的普通技术人员，在不付出创造性劳动的前提下，还可以根据以下附图获得其它的附图。 The present invention is further described by using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. For those of ordinary skill in the art, without paying creative work, other embodiments can also be obtained according to the following accompanying drawings Attached picture.
图1为本发明一种股骨近端三角固定髓内钉的锁紧装置的剖视图； Fig. 1 is a sectional view of a locking device of a proximal femur triangular fixation intramedullary nail of the present invention;
图2为本发明一种股骨近端三角固定髓内钉的锁紧装置中封口钉螺纹和压紧钉螺纹的示意图； Fig. 2 is the schematic diagram of sealing nail thread and compression nail thread in the locking device of a kind of proximal femur triangular fixation intramedullary nail of the present invention;
图3为本发明一种股骨近端三角固定髓内钉的锁紧装置的主视图。 Fig. 3 is a front view of a locking device of a proximal femoral triangular fixation intramedullary nail according to the present invention.
具体实施方式 Detailed ways
为了使本领域的技术人员更好地理解本发明的技术方案，下面结合附图和具体实施例对本发明作进一步详细的描述，需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。 In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. And the features in the embodiments can be combined with each other.
参阅图1至图3所示，一种股骨近端三角固定髓内钉的锁紧装置，包括髓内钉封口钉1、第一股骨钉2、第二股骨钉3、髓内钉4、锁定钉5、压紧钉6、所述第一股骨钉2和第二股骨钉3贯穿髓内钉4的一端，所述锁定钉5贯穿髓内钉4另一端，所述髓内钉封口钉1贯穿第一股骨钉2、且与髓内钉4螺纹连接，所述所述髓内钉4内螺纹连接有压紧钉6，所述髓内钉4沿着中心轴线上下设置两段内螺纹。 Referring to Figures 1 to 3, a locking device for proximal femoral triangular fixation intramedullary nails, including intramedullary nail sealing nail 1, first femoral nail 2, second femoral nail 3, intramedullary nail 4, locking The nail 5, the compression nail 6, the first femoral nail 2 and the second femoral nail 3 penetrate one end of the intramedullary nail 4, the locking nail 5 penetrates the other end of the intramedullary nail 4, and the intramedullary nail sealing nail 1 It passes through the first femoral nail 2 and is threadedly connected with the intramedullary nail 4. The intramedullary nail 4 is threaded with a compression nail 6. The intramedullary nail 4 is provided with two sections of internal threads up and down along the central axis.
所述髓内钉4位于上段的内螺纹是封口钉螺纹7，所述髓内钉4位于下段的内螺纹是压紧钉螺纹8。 The inner thread of the intramedullary nail 4 at the upper section is the sealing nail thread 7 , and the inner thread of the intramedullary nail 4 at the lower section is the compression nail thread 8 .
所述封口钉螺纹7孔径大于下段压紧钉螺纹8的孔径。 The aperture of the screw thread 7 of the sealing nail is larger than the aperture of the screw thread 8 of the lower section of the pressing nail.
所述髓内钉封口钉1底端不接触第一股骨钉2。 The bottom end of the sealing nail 1 of the intramedullary nail does not touch the first femoral nail 2 .
所述压紧钉6设置在第一股骨钉2的下方。 The compression nail 6 is arranged below the first femoral nail 2 .
在本实施例中，在C型臂X线机的引导下，使用导向器将股骨近端三角固定髓内钉放入股骨杆内，先安装第二股骨钉3，接着安装压紧钉6，然后安装第一股骨,2，接着安装髓内钉封口钉1，随后安装锁定钉5，由于压紧钉6安装在第一股骨钉2下方，在第二股骨钉3上方，压住第二股骨钉2，达到锁紧第二股骨钉3的功能。 In this embodiment, under the guidance of the C-arm X-ray machine, the proximal femoral triangular fixation intramedullary nail is placed into the femoral rod using a guide, the second femoral nail 3 is installed first, and then the compression nail 6 is installed. Then install the first femur, 2, then install the intramedullary nail sealing nail 1, and then install the locking nail 5, because the compression nail 6 is installed below the first femoral nail 2 and above the second femoral nail 3, pressing the second femur nail 2 to achieve the function of locking the second femoral nail 3.
本发明的有益效果是：本发明股骨近端三角固定髓内钉的锁紧装置设置有髓内钉封口钉和压紧钉，由于压紧钉安装在第一股骨钉下方，在第二股骨钉上方，压住第二股骨钉，达到锁紧第二股骨钉的功能，使整个结构更加稳定耐用，使用寿命更长，有效避免产生创伤。 The beneficial effects of the present invention are: the locking device of the proximal femoral triangular fixation intramedullary nail of the present invention is provided with the intramedullary nail sealing nail and the compression nail, because the compression nail is installed below the first femoral nail, the second femoral nail On the top, press the second femoral nail to achieve the function of locking the second femoral nail, making the whole structure more stable and durable, with a longer service life and effectively avoiding trauma.
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。 The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments, and what described in the above-mentioned embodiments and the description only illustrates the principles of the present invention, and the present invention will also have other functions without departing from the spirit and scope of the present invention. Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (5)
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| CN201510652132.7A CN105147380A (en) | 2015-10-10 | 2015-10-10 | Proximal femur triangle-fixing intramedullary nail locking device |
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| CN201510652132.7A CN105147380A (en) | 2015-10-10 | 2015-10-10 | Proximal femur triangle-fixing intramedullary nail locking device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618710A (en) * | 2017-02-20 | 2017-05-10 | 广东工业大学 | Proximal fixation intramedullary nail matched with femur medullary cavity in shape |
| CN107468324A (en) * | 2017-09-01 | 2017-12-15 | 成都大学附属医院 | A kind of near end of thighbone insertion type strengthens Medullary fixation device |
| CN110547871A (en) * | 2019-09-23 | 2019-12-10 | 重庆博仕康科技有限公司 | Photo-magnetic integrated surgical navigation reference frame and marking device |
| CN111419371A (en) * | 2020-04-15 | 2020-07-17 | 吴丹凯 | Cross-engaged proximal femoral intramedullary nail |
| CN113995490A (en) * | 2021-09-22 | 2022-02-01 | 河北医科大学 | Proximal femur anti-rotation intramedullary nail |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618710A (en) * | 2017-02-20 | 2017-05-10 | 广东工业大学 | Proximal fixation intramedullary nail matched with femur medullary cavity in shape |
| CN107468324A (en) * | 2017-09-01 | 2017-12-15 | 成都大学附属医院 | A kind of near end of thighbone insertion type strengthens Medullary fixation device |
| CN110547871A (en) * | 2019-09-23 | 2019-12-10 | 重庆博仕康科技有限公司 | Photo-magnetic integrated surgical navigation reference frame and marking device |
| CN111419371A (en) * | 2020-04-15 | 2020-07-17 | 吴丹凯 | Cross-engaged proximal femoral intramedullary nail |
| CN113995490A (en) * | 2021-09-22 | 2022-02-01 | 河北医科大学 | Proximal femur anti-rotation intramedullary nail |
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Application publication date: 20151216 |