CN107961067B - Lateral inlet tibiobone marrow internal needle - Google Patents
Lateral inlet tibiobone marrow internal needle Download PDFInfo
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- CN107961067B CN107961067B CN201810034214.9A CN201810034214A CN107961067B CN 107961067 B CN107961067 B CN 107961067B CN 201810034214 A CN201810034214 A CN 201810034214A CN 107961067 B CN107961067 B CN 107961067B
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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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- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
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- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a lateral inlet tibia intramedullary nail, which comprises a main body, wherein the main body comprises a vertical section and a lateral bending section, the upper end of the vertical section is connected with the lower end of the lateral bending section in a smooth transition mode, the lateral bending section is bent towards the Y direction in a lateral mode, a first nail path and a second nail path are arranged on the lateral bending section, the first nail path and the second nail path are both parallel to a YZ plane, a third nail path and a fourth nail path are arranged on the lower portion of the vertical section, the fourth nail path is located below the third nail path, the axis of the third nail path is perpendicular to the axis of the fourth nail path, and the third nail path or the fourth nail path is parallel to an XZ plane. The axes of the third nail path and the fourth nail path are both vertical to the axis of the vertical section, and the third nail path is parallel to the XZ plane. The invention can be cut from the outer side below the tibial plateau, the knee joint does not need to be opened, the bone ligament does not need to be cut, and the joint and the ligament are protected. The fracture reduction is not limited by the body position, the operation is convenient, and the reduction success rate is high; secondary surgical extraction is also not limited by position.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a lateral inlet tibia intramedullary needle.
Background
The existing intramedullary nail can only be cut into the nail just ahead of the tibial plateau, the knee joint needs to be opened, the patellar ligament can be damaged, and the knee joint must be bent to 100 degrees when the nail is inserted, the position is inconvenient to place, and the fracture is difficult to restore.
Disclosure of Invention
The invention aims to provide a lateral inlet tibial intramedullary pin which can be cut and accessed from the lateral side below a tibial platform without opening a knee joint or cutting bone ligaments, thereby protecting the joint and the ligaments.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
lateral entry shin bone intramedullary pin, including the main part, the main part includes vertical section and the section of bending on one's side, the upper end of vertical section is connected with the lower extreme smooth transition of the section of bending on one's side, and vertical section is parallel with the Z direction, and the section of bending on one's side is to Y direction side bend, be equipped with first nail way and second nail way on the section of bending on one's side, first nail way and second nail way all are parallel with the YZ plane, there are third nail way and fourth nail way in the lower part of vertical section, the fourth nail way is located third nail way below, and the axis that the third nail was said is perpendicular with the axis that the fourth nail was said, and third nail way or fourth nail way are parallel with the XZ plane. The Z direction is parallel to the Z axis of the three-dimensional coordinate system, the Y direction is parallel to the Y axis of the three-dimensional coordinate system, and the X direction is parallel to the Z axis of the three-dimensional coordinate system.
Furthermore, the axes of the third nail path and the fourth nail path are both perpendicular to the axis of the vertical section, and the third nail path is parallel to the XZ plane.
Wherein, first nail way and second nail way all are perpendicular with the lateral bending section.
Furthermore, a fifth nail path and a sixth nail path are arranged on the lateral bending section, the fifth nail path is vertically intersected with the sixth nail path, the fifth nail path and the sixth nail path are both vertical to the lateral bending section, and the fifth nail path and the sixth nail path form an included angle of 45 degrees with a YZ plane; the fifth nail path and the sixth nail path are positioned above the first nail path and the second nail path.
Furthermore, a seventh nail path is arranged between the first nail path and the second nail path, the seventh nail path is vertical to the lateral bending section, and the seventh nail path is parallel to the XZ plane.
Furthermore, the lower part of the vertical section is provided with an eighth nail path and a ninth nail path, the eighth nail path is vertically intersected with the ninth nail path, the eighth nail path and the ninth nail path are both vertical to the Z direction, and the eighth nail path and the ninth nail path form an included angle of 45 degrees with the XZ plane; the eighth nail path and the ninth nail path are positioned above the third nail path and the fourth nail path.
Preferably, the included angle between the vertical section and the side bent section on the YZ plane is 160-169 degrees.
Further preferably, the included angle between the vertical section and the side bent section on the XZ plane is 170-180 degrees.
Wherein, still include the staple with the staple track adaptation.
Further, the diameter of the upper end of the body is greater than or equal to the diameter of the lower end.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can be cut from the outer side below the tibial plateau, the knee joint does not need to be opened, the bone ligament does not need to be cut, and the joint and the ligament are protected;
2. the fracture reduction is not limited by the body position, the operation is convenient, and the reduction success rate is high; the secondary operation taking out is not limited by the body position, and is convenient and quick.
Drawings
FIG. 1 is a front view of embodiment 1;
FIG. 2 is a side view of embodiment 1;
FIG. 3 is a schematic view of embodiment 1 with a staple installed;
FIG. 4 is a front view of embodiment 2;
FIG. 5 is a side view of embodiment 2;
FIG. 6 is a cross-sectional view at A in FIG. 4;
FIG. 7 is a cross-sectional view at B in FIG. 4;
in the figure: 1-main body, 2-tail cap, 3-fifth nail path, 4-sixth nail path, 5-first nail path, 6-second nail path, 7-seventh nail path, 8-eighth nail path, 9-ninth nail path, 10-third nail path, 11-fourth nail path and 12-fixing nail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2 and 3, the lateral inlet tibio intramedullary nail disclosed in this embodiment includes a main body 1, a tail cap 2 is provided at the upper end of the main body, the main body 1 includes a vertical section and a lateral bending section, the upper end of the vertical section is smoothly and transitionally connected with the lower end of the lateral bending section, the vertical section is parallel to the Z direction, the lateral bending section is laterally bent to the Y direction, a first nail way 5 and a second nail way 6 are provided on the lateral bending section, both the first nail way 5 and the second nail way 6 are parallel to the YZ plane, a third nail way 10 and a fourth nail way 11 are provided at the lower part of the vertical section, the fourth nail way 11 is located below the third nail way 10, the axis of the third nail way 10 is perpendicular to the axis of the fourth nail way 11, and the third nail way 10 or the fourth nail way 11 is parallel to the XZ plane. As shown in fig. 3, the lateral access tibial intramedullary nail further comprises a fixing nail 12 adapted to the nail channel, and in use, the fixing nail 12 is arranged in the proper nail channel to fix the main body 1 according to requirements.
The axes of the third staple track 10 and the fourth staple track 11 are both perpendicular to the axis of the vertical section, and the third staple track 10 is parallel to the XZ plane. Wherein, the first nail path 5 and the second nail path 6 are both vertical to the lateral bending section. Preferably, the vertical section and the lateral bending section are at an angle of 160 ° to 169 ° in the YZ plane, and preferably the vertical section and the lateral bending section are at an angle of 164 ° in the YZ plane. The lateral bending section can be laterally bent towards the X direction besides laterally bent towards the Y direction, namely, the included angle between the vertical section and the lateral bending section on an XZ plane is 170-180 degrees.
Wherein the length of the lateral bending section is 7cm-15 cm. The diameter of the upper end of the main body 1 is larger than or equal to that of the lower end, the diameter of the upper end face of the main body 1 is 1cm-1.4cm, the diameter of the vertical section of the main body 1 is 0.7cm-1cm, and the lower end of the vertical section is round and blunt.
Example 2
This example differs from example 1 in that: as shown in fig. 4, 5 and 6, a fifth nail path 3 and a sixth nail path 4 are arranged on the lateral bending section, the fifth nail path 3 is vertically intersected with the sixth nail path 4, the fifth nail path 3 and the sixth nail path 4 are both vertical to the lateral bending section, and the fifth nail path 3 and the sixth nail path 4 form an included angle of 45 degrees with a YZ plane; the fifth staple track 3 and the sixth staple track 4 are located above the first staple track 5 and the second staple track 6.
A seventh nail path 7 is further arranged between the first nail path 5 and the second nail path 6, the seventh nail path 7 is perpendicular to the side bent section, and the seventh nail path 7 is parallel to the XZ plane.
As shown in fig. 4, 5 and 7, the lower part of the vertical section is provided with an eighth nail path 8 and a ninth nail path 9, the eighth nail path 8 is vertically intersected with the ninth nail path 9, the eighth nail path 8 and the ninth nail path 9 are both vertical to the Z direction, and the eighth nail path 8 and the ninth nail path 9 form an included angle of 45 degrees with the XZ plane; the eighth lane 8 and the ninth lane 9 are located above the third lane 10 and the fourth lane 11. When in use, the fixing nail 12 is arranged in the fifth nail path 3 or the sixth nail path 4 according to the requirement; and a fixing nail 12 is arranged in the eighth nail path 8 or the ninth nail path 9.
The invention can be cut from the outer side below the tibial plateau, the knee joint does not need to be opened, the bone ligament does not need to be cut, and the joint and the ligament are protected. The fracture reduction is not limited by the body position, the operation is convenient, and the reduction success rate is high; the secondary operation taking out is not limited by the body position, and is convenient and quick.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.
Claims (4)
1. The lateral inlet tibia intramedullary pin comprises a main body (1) and is characterized in that the main body (1) comprises a vertical section and a lateral bending section, the upper end of the vertical section is connected with the lower end of the lateral bending section in a smooth transition mode, the vertical section is parallel to the Z direction, the included angle between the vertical section and the lateral bending section on a YZ plane is 160-169 degrees, and the included angle between the vertical section and the lateral bending section on an XZ plane is 170-180 degrees;
a first nail path (5) and a second nail path (6) are arranged on the lateral bending section, the first nail path (5) and the second nail path (6) are parallel to a YZ plane, a third nail path (10) and a fourth nail path (11) are arranged at the lower part of the vertical section, the fourth nail path (11) is positioned below the third nail path (10), the axis of the third nail path (10) is vertical to the axis of the fourth nail path (11), and the third nail path (10) or the fourth nail path (11) is parallel to an XZ plane;
the axes of the third nail path (10) and the fourth nail path (11) are both vertical to the axis of the vertical section, and the third nail path (10) is parallel to the XZ plane;
the lower part of the vertical section is provided with an eighth nail path (8) and a ninth nail path (9), the eighth nail path (8) is vertically intersected with the ninth nail path (9), the eighth nail path (8) and the ninth nail path (9) are both vertical to the Z direction, and the eighth nail path (8) and the ninth nail path (9) form an included angle of 45 degrees with the XZ plane; the eighth nail path (8) and the ninth nail path (9) are positioned above the third nail path (10) and the fourth nail path (11);
the first nail path (5) and the second nail path (6) are both vertical to the side bending section;
a fifth nail path (3) and a sixth nail path (4) are arranged on the lateral bending section, the fifth nail path (3) is vertically intersected with the sixth nail path (4), the fifth nail path (3) and the sixth nail path (4) are both vertical to the lateral bending section, and the fifth nail path (3) and the sixth nail path (4) form an included angle of 45 degrees with a YZ plane; the fifth nail path (3) and the sixth nail path (4) are positioned above the first nail path (5) and the second nail path (6).
2. The lateral access tibial intramedullary needle of claim 1, wherein: a seventh nail path (7) is further arranged between the first nail path (5) and the second nail path (6), the seventh nail path (7) is perpendicular to the side bent section, and the seventh nail path (7) is parallel to the XZ plane.
3. The lateral access tibial intramedullary needle of claim 1, wherein: also comprises a fixing nail (12) matched with the nail path.
4. The lateral access tibial intramedullary needle of claim 1, wherein: the diameter of the upper end of the main body (1) is larger than or equal to that of the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034214.9A CN107961067B (en) | 2018-01-12 | 2018-01-12 | Lateral inlet tibiobone marrow internal needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034214.9A CN107961067B (en) | 2018-01-12 | 2018-01-12 | Lateral inlet tibiobone marrow internal needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107961067A CN107961067A (en) | 2018-04-27 |
| CN107961067B true CN107961067B (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810034214.9A Active CN107961067B (en) | 2018-01-12 | 2018-01-12 | Lateral inlet tibiobone marrow internal needle |
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| Country | Link |
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| CN (1) | CN107961067B (en) |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT242435Y1 (en) * | 1996-10-24 | 2001-06-14 | Hit Medica Srl | NAIL FOR THE REDUCTION OF TROCANTERIC FRACTURES AND OF THE NECK DELFEMORE. |
| CN2309127Y (en) * | 1997-09-11 | 1999-03-03 | 武进第三医疗器械厂 | Tibia locked intramedullary nail |
| CN2382380Y (en) * | 1999-07-09 | 2000-06-14 | 陈建庭 | Self inner locking intramedullary needle |
| CN2404494Y (en) * | 1999-12-03 | 2000-11-08 | 徐州市第一人民医院 | Pressing and locking type intramedullary nail |
| CN2451064Y (en) * | 2000-12-06 | 2001-10-03 | 邹育才 | Tibia locking intramedullary nail and its distal locking locator |
| BRPI0419234B8 (en) * | 2004-12-31 | 2021-06-22 | Synthes Gmbh | intramedullary pin |
| US20070123873A1 (en) * | 2005-10-31 | 2007-05-31 | Czartoski Timothy J | Intramedullary nail with oblique openings |
| DE102006032957B4 (en) * | 2006-05-01 | 2008-08-07 | Neue Magnetodyn Gmbh | Stimulation device for osteosynthesis and arthroplasty |
| CN101455582A (en) * | 2007-12-12 | 2009-06-17 | 镱钛科技股份有限公司 | Separated intramedullary pin |
| DE202008005579U1 (en) * | 2008-04-16 | 2008-07-03 | Aesculap Ag & Co. Kg | Tibial |
| CN202179588U (en) * | 2011-05-17 | 2012-04-04 | 北京纳通科技集团有限公司 | Intramedullary nail for tibia |
| CN203089342U (en) * | 2013-02-25 | 2013-07-31 | 袁毅 | Tibia intramedullary nail |
| CN204542338U (en) * | 2015-02-03 | 2015-08-12 | 郭建平 | V shape quick lock in intramedullary needle |
| US10219846B2 (en) * | 2016-03-04 | 2019-03-05 | Nail Kinetics, LLC | Interlocking intramedullary rod assembly for treating proximal tibial fractures |
| CN205626076U (en) * | 2016-03-07 | 2016-10-12 | 天津妙娅生物科技有限公司 | Intramedullary nail with lock |
| CN205913384U (en) * | 2016-06-30 | 2017-02-01 | 王永清 | Lock multidirectional area lock intramedullary nail |
| CN105997219B (en) * | 2016-06-30 | 2018-06-22 | 王永清 | Lock multidirectional intramedullary nail with lock |
| CN106725792A (en) * | 2017-01-10 | 2017-05-31 | 河北医科大学第三医院 | A kind of flexible intramedullary nail with pressurization anti-rotation function |
| TWM551907U (en) * | 2017-07-14 | 2017-11-21 | 愛派司生技股份有限公司 | An intramedullary nail for tibial fracture use thereof |
| CN209437355U (en) * | 2018-01-12 | 2019-09-27 | 四川大学华西医院 | Outer inlet Shin-bone internal broach |
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2018
- 2018-01-12 CN CN201810034214.9A patent/CN107961067B/en active Active
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| CN107961067A (en) | 2018-04-27 |
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