CN111568523A - PFNA intramedullary nail with small radian - Google Patents
PFNA intramedullary nail with small radian Download PDFInfo
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- CN111568523A CN111568523A CN202010563802.9A CN202010563802A CN111568523A CN 111568523 A CN111568523 A CN 111568523A CN 202010563802 A CN202010563802 A CN 202010563802A CN 111568523 A CN111568523 A CN 111568523A
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- nail
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- main nail
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- locking hole
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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
- A61B17/72—Intramedullary pins, nails or other devices
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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
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
- A61B17/725—Intramedullary pins, nails or other devices with special means of locking the nail to the bone with locking pins or screws of special form
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of medical instruments, and provides a PFNA intramedullary nail with a small radian. The method comprises the following steps: the main nail, the spiral blade, the transverse locking nail and the tail nail; the main nail is provided with a main nail body, the near end of the main nail body is provided with a spiral blade, the far end of the main nail body is provided with a transverse locking nail, and the tail part of the near end of the main nail body is provided with a tail nail; the proximal and distal ends of the main nail body have a 6 ° flared bend. The invention has the beneficial effects that: the curvature radius of the far end of the main nail is reduced, meanwhile, the near end and the far end of the main nail are provided with the 6-degree outward-extending bending, so that the main nail is more tightly attached to a femoral medullary cavity, the femur anatomical form is optimally matched in practical application, the operation convenience of the intramedullary nail is improved, the stress concentration caused by mismatching of the intramedullary nail and the femoral medullary cavity can be avoided, the postoperative pain of a patient is reduced, and the nail tip is effectively prevented from impacting a cortical bone or penetrating out the cortical bone to cause recrush.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a PFNA intramedullary nail with a small radian.
Background
The PFNA intramedullary nail, namely the femoral interlocking intramedullary nail, is a fracture intramedullary fixing device with wide application, and comprises a long rod component main nail implanted into a femoral medullary cavity of a patient, a proximal locking component helical blade implanted into a femoral neck and a femoral head from a femoral cortex, a distal femoral interlocking component interlocking screw and a main nail end component tail nail. And the main nail has a certain anatomical radian, and for long tubular femoral fractures, the intramedullary nail better conforms to the biomechanical characteristics of the femur. The proximal end of the main nail is provided with an inclined locking perforation, the distal end of the main nail is provided with one or two transverse locking perforations, and in the operation of treating femoral fracture by intramedullary nail, the main nail is implanted into a femoral medullary cavity and then locked at the proximal end by the spiral blade and locked at the distal end by the interlocking screw, so as to prevent the fracture end from moving up and down and twisting.
The distal end curvature of PFNA intramedullary nail main nail is great now, the radius value is in 1300mm to 2000mm inequality, stronger pertinence has, to the great crowd of thighbone physiology radian, the radian can be better laminated with human femoral medullary cavity physiology radian is dissected to the main nail distal end, nevertheless to the less crowd of thighbone physiology radian, main nail distal end radian can not with the better laminating of femoral medullary cavity physiology radian of this kind of crowd, stress concentration takes place disconnected nail phenomenon easily to appear, the main nail distal end extrudees the medullary cavity, cause the intramedullary nail distal end to wear out the cortical bone, lead to thighbone fracture etc. again.
Disclosure of Invention
The invention aims to provide a PFNA intramedullary nail with a small radian so as to solve the technical problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a small arc PFNA intramedullary nail comprising: the main nail, the spiral blade, the transverse locking nail and the tail nail; the main nail is provided with a main nail body, the near end of the main nail body is provided with a spiral blade, the far end of the main nail body is provided with a transverse locking nail, and the tail part of the near end of the main nail body is provided with a tail nail; the proximal and distal ends of the main nail body have a 6 ° flared bend.
In an alternative embodiment, the radius of curvature of the distal shank of the main shank is 1150 mm.
In an optional embodiment, a main nail proximal locking hole is formed in the proximal end of the main nail body, the spiral blade penetrates through the main nail proximal locking hole and is connected to the proximal end of the main nail body, and the spiral blade penetrates through the main nail proximal locking hole.
In an optional embodiment, a main nail distal end locking hole is formed in the distal end of the main nail body, the transverse locking nail penetrates through the main nail distal end locking hole and is connected to the distal end of the main nail body, and the transverse locking nail extends out of the main nail distal end locking hole.
In an optional embodiment, the spiral blade is provided with a spiral blade head, a threaded connecting rod, a tail cap and a sleeve, one end of the threaded connecting rod is embedded in a groove at one end of the spiral blade head, an external thread of the threaded connecting rod is connected with an internal thread of the tail cap, the tail cap is connected to the inner side of the sleeve, and a barb is arranged on the outer side of one end of the tail cap and hooks on a boss on the inner side of the sleeve for limiting.
In an optional embodiment, the outer shape of the sleeve and the shape of the proximal lock hole of the main nail are matched in a non-circular lemon shape, and the spiral blade is locked in the proximal lock hole of the main nail.
In an alternative embodiment, the tail nail is screwed into the proximal tail of the main nail body, and the distal end of the tail nail is in contact with the helical blade to pressurize the helical blade.
In an optional embodiment, the lock hole at the far end of the main nail comprises a round lock hole and a long lock hole, when a patient is osteoporosis, the round lock hole is selected, and after the transverse lock nail is implanted into the round lock hole, the main nail is statically locked; when the bone of the patient is hard, the long lock hole is selected, and after the transverse lock nail is implanted into the long lock hole, the main nail is dynamically locked and can slightly move in the axis direction of the femur.
The invention has the beneficial effects that:
(1) the PFNA intramedullary nail with the small radian reduces the curvature radius of the far end of the main nail, and meanwhile, the near end and the far end of the main nail are provided with the abduction bend of 6 degrees, so that the main nail is more closely attached to a femoral medullary cavity, the femur anatomical form is optimally matched in practical application, the operation convenience of the intramedullary nail is improved, the stress concentration caused by mismatching of the intramedullary nail and the femoral medullary cavity can be avoided, the postoperative pain of a patient is reduced, and the re-fracture caused by the fact that the nail tip impacts a cortical bone or penetrates out of the cortical bone is effectively prevented.
(2) The spiral blade of the PFNA intramedullary nail with small radian comprises a sleeve, a threaded connecting rod, a tail cap and a spiral blade head, and after the spiral blade head is inserted into the femoral head, the spiral blade head is provided with a spiral groove, so that the spiral blade head has a good filling effect on bone, the holding force of the blade is increased, and the stability of proximal end interlocking is improved.
(3) The distal end of a tail nail in the PFNA intramedullary nail with small radian is contacted with the spiral blade to pressurize the spiral blade, so that the stability of proximal end interlocking is further improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a PFNA intramedullary nail with a small curvature according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a main nail according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a spiral blade according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a transverse locking pin according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a tail nail according to an embodiment of the present invention.
FIG. 6 is a schematic cross-sectional view of a proximal locking hole of a main nail according to an embodiment of the present invention.
Fig. 7 is a schematic top view of a sleeve according to an embodiment of the invention.
Fig. 8 is a schematic structural view of a threaded connection rod according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a tail cap according to an embodiment of the present invention.
Wherein, the reference numbers in the figures are: 1. the nail comprises a main nail 1-1, a main nail body 1-2, a main nail near-end lock hole 1-3, a main nail far-end lock hole 2, a spiral blade 2-1, a sleeve 2-2, a threaded connecting rod 2-3, a tail cap 2-4, a spiral blade head 3, a transverse lock nail 4 and a tail nail.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Referring to fig. 1-5, the present embodiment is directed to a small arc PFNA intramedullary nail, as shown in fig. 1, comprising: the nail-locking device comprises a main nail 1, a spiral blade 2, a transverse locking nail 3 and a tail nail 4; the main nail 1 is provided with a main nail body 1-1, a spiral blade 2 is arranged at the near end of the main nail body 1-1, a transverse locking nail 3 is arranged at the far end of the main nail body 1-1, and a tail nail 4 is arranged at the tail part of the near end of the main nail body 1-1.
In the embodiment, the proximal end and the distal end of the main nail body 1-1 are provided with the abduction bends of 6 degrees, so that the main nail body conforms to the femoral anatomy, is convenient to implant from the greater trochanter, is simple to operate and has small influence on the femoral blood circulation. The curvature radius of the far-end nail body of the main nail body 1-1 is 1150mm, the curvature radius of the nail body of the far end of the main nail body 1-1 is smaller, the front arch radian of human femur anatomy is met, the fit degree with a medullary cavity is high, resistance when the main nail is inserted is reduced, nail tip contact and impact on femur cortex or the nail tip penetrates out of the cortex bone are prevented, and pain and postoperative accidents caused by stress concentration can be effectively avoided.
Specifically, a main nail near-end lock hole 1-2 is formed in the near end of the main nail main body 1-1, the spiral blade 2 penetrates through the main nail near-end lock hole 1-2 and is connected to the near end of the main nail main body 1-1, and the spiral blade 2 penetrates through the main nail near-end lock hole 1-2. The far end of the main nail main body 1-1 is provided with a main nail far end lock hole 1-3, the transverse lock nail 3 is connected to the far end of the main nail main body 1-1 in a penetrating way through the main nail far end lock hole 1-3, and the transverse lock nail 3 extends out of the main nail far end lock hole 1-3. The main nail far-end lock hole 1-3 comprises a circular lock hole and a long lock hole, when a patient is osteoporosis, the circular lock hole is selected, and after the transverse lock nail 3 is implanted into the circular lock hole, the main nail 1 is statically locked, so that the far end of the main nail 1 is prevented from being loosened; when the bone of the patient is hard, the long lock hole is selected, after the transverse lock nail 3 is implanted into the long lock hole, the main nail 1 is dynamically locked, and the main nail 1 can slightly move in the axis direction of the femur to stimulate the broken end of the fracture, thereby being beneficial to the healing of the broken end of the fracture.
In addition, the spiral blade 2 is provided with a spiral blade head 2-4, a threaded connecting rod 2-2, a tail cap 2-3 and a sleeve 2-1, one end of the threaded connecting rod 2-2 is embedded in a groove at one end of the spiral blade head 2-4, an external thread of the threaded connecting rod 2-2 is connected with an internal thread of the tail cap 2-3, the tail cap 2-3 is connected to the inner side of the sleeve 2-1, as shown in the attached figures 8-9, an inverted hook is arranged on the outer side of one end of the tail cap 2-3 and is hooked on an inner side boss of the sleeve 2-1 for limiting. As shown in figures 6-7, the outer side shape of the sleeve 2-1 and the shape of the main nail near-end lock hole 1-2 are matched in a non-circular lemon shape, and the locking spiral blade 2 is arranged in the main nail near-end lock hole 1-2. It is worth mentioning that the tail nail 4 is screwed into the tail part of the near end of the main nail body 1-1, and the far end of the tail nail 4 is contacted with the spiral blade 2 to pressurize the spiral blade 2, so as to further increase the stability of near end interlocking.
It should be noted that the helical blade 2 is transported in a locked state, before the helical blade 2 is inserted, the helical blade 2 is unlocked, then the helical blade is inserted into the femoral neck and the femoral head through the guide pin, is connected to the main nail near-end lock hole 1-2 in a penetrating manner and extends out of the lock hole, after the helical blade is inserted, the helical blade 2 is locked, and the near-end interlocking is completed. After the near-end interlocking is completed, the main nail far-end lock hole 1-3 is interlocked through an auxiliary instrument, the transverse lock nail is implanted into the far-end cortex of the femur and penetrates out of the contralateral cortex, and the transverse lock nail penetrates through the main nail far-end lock hole 1-3 and extends out of the lock hole, so that the far-end interlocking is completed. After the distal end interlocking is accomplished, take off the auxiliary instrument who is connected with main nail 1, twist into 1 tip of main nail with tail nail 4, prevent that the sclerotin from growing into 1 tip threaded hole of main nail, and the installation back of tail nail 4, 4 distal ends of tail nail and the contact of helical blade 2, carry out the pressure boost to helical blade 2, the stability of further increase near-end interlocking.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A small arc PFNA intramedullary nail comprising: the nail-locking device comprises a main nail (1), a spiral blade (2), a transverse locking nail (3) and a tail nail (4); the main nail (1) is provided with a main nail body (1-1), a spiral blade (2) is installed at the near end of the main nail body (1-1), a transverse locking nail (3) is installed at the far end of the main nail body (1-1), and a tail nail (4) is installed at the tail of the near end of the main nail body (1-1);
the method is characterized in that: the proximal end and the distal end of the main nail body (1-1) are provided with a flared bend of 6 degrees.
2. The PFNA intramedullary nail with a small arc of claim 1, characterized in that the radius of curvature of the distal shank of the main shank (1-1) is 1150 mm.
3. The PFNA intramedullary nail with small radian according to claim 1, wherein the proximal end of the main nail body (1-1) is provided with a main nail proximal locking hole (1-2), the helical blade (2) is connected to the proximal end of the main nail body (1-1) through the main nail proximal locking hole (1-2), and the helical blade (2) penetrates out of the main nail proximal locking hole (1-2).
4. The PFNA intramedullary nail with small radian according to claim 3, wherein the distal end of the main nail body (1-1) is provided with a main nail distal locking hole (1-3), the cross locking nail (3) is connected to the distal end of the main nail body (1-1) through the main nail distal locking hole (1-3), and the cross locking nail (3) extends out of the main nail distal locking hole (1-3).
5. The PFNA intramedullary nail with small radian according to claim 1, wherein the spiral blade (2) is provided with a spiral blade head (2-4), a threaded connecting rod (2-2), a tail cap (2-3) and a sleeve (2-1), one end of the threaded connecting rod (2-2) is embedded in a groove at one end of the spiral blade head (2-4), the external thread of the threaded connecting rod (2-2) is connected with the internal thread of the tail cap (2-3), the tail cap (2-3) is connected to the inner side of the sleeve (2-1), the outer side of one end of the tail cap (2-3) is provided with a barb which is hooked on the boss at the inner side of the sleeve (2-1) for limiting.
6. The PFNA intramedullary nail with small radian according to claim 5, wherein the outside shape of said sleeve (2-1) and the shape of said main nail proximal locking hole (1-2) are matched with a non-circular lemon shape, locking said helical blade (2) in said main nail proximal locking hole (1-2).
7. The PFNA intramedullary nail with small radian according to claim 6, wherein said tail nail (4) is screwed into the proximal tail of said main nail body (1-1), and the distal end of said tail nail (4) is in contact with said helical blade (2) to pressurize said helical blade (2).
8. The PFNA intramedullary nail with small radian according to claim 4, wherein said distal locking hole (1-3) of the main nail comprises a circular locking hole and a long locking hole, said circular locking hole is selected when the patient is osteoporotic, and said main nail (1) is statically locked after said cross locking nail (3) is implanted in said circular locking hole; when the bone of a patient is hard, the long lock hole is selected, after the transverse lock nail (3) is implanted into the long lock hole, the main nail (1) is dynamically locked, and the main nail (1) can slightly move in the axis direction of the femur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563802.9A CN111568523A (en) | 2020-06-19 | 2020-06-19 | PFNA intramedullary nail with small radian |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563802.9A CN111568523A (en) | 2020-06-19 | 2020-06-19 | PFNA intramedullary nail with small radian |
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| Publication Number | Publication Date |
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| CN111568523A true CN111568523A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010563802.9A Pending CN111568523A (en) | 2020-06-19 | 2020-06-19 | PFNA intramedullary nail with small radian |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991069A (en) * | 2020-09-03 | 2020-11-27 | 河北春立航诺新材料科技有限公司 | PFNA intramedullary nail and system with short proximal end |
| CN112603512A (en) * | 2020-12-25 | 2021-04-06 | 北京市春立正达医疗器械股份有限公司 | PFNA short intramedullary nail |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101507651A (en) * | 2009-03-20 | 2009-08-19 | 周志海 | Cross locking marrow nail |
| CN201624765U (en) * | 2010-01-29 | 2010-11-10 | 厦门大博颖精医疗器械有限公司 | Proximal femoral internal fixer |
| CN101601605B (en) * | 2009-07-14 | 2011-01-05 | 常州市康辉医疗器械有限公司 | Intramedullary nail fixation device for fractured near end of thighbone |
| CN204033459U (en) * | 2014-07-28 | 2014-12-24 | 常州健力邦德医疗器械有限公司 | Retrograde Supracondylar intramedullary nail with lock |
| CN105997215A (en) * | 2016-06-29 | 2016-10-12 | 江苏艾迪尔医疗科技股份有限公司 | Tibia inverted intramedullary nail |
| CN206700214U (en) * | 2016-12-14 | 2017-12-05 | 天津康立尔生物科技有限公司 | A kind of PFNA intramedullary nails for shortening operating time |
| CN208838130U (en) * | 2018-06-05 | 2019-05-10 | 常州市南翔医疗器械有限公司 | Femoral interlocking nail |
-
2020
- 2020-06-19 CN CN202010563802.9A patent/CN111568523A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101507651A (en) * | 2009-03-20 | 2009-08-19 | 周志海 | Cross locking marrow nail |
| CN101601605B (en) * | 2009-07-14 | 2011-01-05 | 常州市康辉医疗器械有限公司 | Intramedullary nail fixation device for fractured near end of thighbone |
| CN201624765U (en) * | 2010-01-29 | 2010-11-10 | 厦门大博颖精医疗器械有限公司 | Proximal femoral internal fixer |
| CN204033459U (en) * | 2014-07-28 | 2014-12-24 | 常州健力邦德医疗器械有限公司 | Retrograde Supracondylar intramedullary nail with lock |
| CN105997215A (en) * | 2016-06-29 | 2016-10-12 | 江苏艾迪尔医疗科技股份有限公司 | Tibia inverted intramedullary nail |
| CN206700214U (en) * | 2016-12-14 | 2017-12-05 | 天津康立尔生物科技有限公司 | A kind of PFNA intramedullary nails for shortening operating time |
| CN208838130U (en) * | 2018-06-05 | 2019-05-10 | 常州市南翔医疗器械有限公司 | Femoral interlocking nail |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991069A (en) * | 2020-09-03 | 2020-11-27 | 河北春立航诺新材料科技有限公司 | PFNA intramedullary nail and system with short proximal end |
| CN111991069B (en) * | 2020-09-03 | 2022-04-12 | 河北春立航诺新材料科技有限公司 | PFNA intramedullary nail and system with short proximal end |
| CN112603512A (en) * | 2020-12-25 | 2021-04-06 | 北京市春立正达医疗器械股份有限公司 | PFNA short intramedullary nail |
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Application publication date: 20200825 |