CN112932641A - Tibia intramedullary nail - Google Patents
Tibia intramedullary nail Download PDFInfo
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- CN112932641A CN112932641A CN202110097119.5A CN202110097119A CN112932641A CN 112932641 A CN112932641 A CN 112932641A CN 202110097119 A CN202110097119 A CN 202110097119A CN 112932641 A CN112932641 A CN 112932641A
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- intramedullary nail
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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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Abstract
The invention provides a tibial intramedullary nail, which belongs to the technical field of medical instruments and comprises an arc-shaped supporting tube, a plurality of segmented supporting tubes and a flexible rope, wherein the end part of the flexible rope is provided with an anti-falling block, the flexible rope sequentially penetrates through the segmented supporting tubes and the arc-shaped supporting tube and is pressed on the anti-falling block by virtue of a tightening component, and the number of the segmented supporting tubes is increased or decreased to match different positions of tibial fracture. According to the tibial intramedullary nail provided by the invention, the supporting tubes sequentially enter the tibia in a segmented mode, and the arc-shaped supporting tube at the upper part can smoothly transition the tibial intramedullary nail from the lateral direction of a tibial platform to the axial direction of the tibia, so that a large pre-opening hole is not required to be formed, and the affected part of a patient can be quickly restored. Through changing segmentation stay tube quantity, can increase or shorten the shin bone intramedullary nail, and then match different positions shin bone fracture region, need not to change the shin bone intramedullary nail of different length to different shin bone fracture regions, convenient to use, and easy operation.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a tibial intramedullary nail.
Background
Intramedullary nail operation is a common fixing mode for fixing tibia fracture, but common tibia intramedullary nails are designed into a whole-section rigid straight rod type at the middle section, so that only the edges of tibial platforms or articular surfaces and the surrounding approach can be selected in the aspect of selecting approach nail entry points in the operation. The other is the flexion position, adopts the peripatellar approach, is inconvenient to see through in the operation and also has damage to the patellar tendon.
Disclosure of Invention
The invention aims to provide a lateral approach tibial intramedullary nail, and aims to solve the problems that the recovery time of a patient is influenced due to the fact that the intramedullary nail is difficult to penetrate into a tibia or the injury of a patella suprapatellar approach and a patellar approach to a patella tendon of a joint is caused, and the operation of preparing intramedullary nails with different lengths in advance for matching different tibial fracture positions before an operation is complicated.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a tibial intramedullary nail, flexible rope that is equipped with the anticreep piece including arc stay tube, a plurality of segmentation stay tube and tip, the arc stay tube has the radian that matches the tibial plateau side direction and pass through to the tibial axis, flexible rope runs through a plurality of in proper order the segmentation stay tube with the arc stay tube, and with the help of being located the component of tightening up of arc stay tube tip is used for a plurality of the segmentation stay tube with the arc stay tube compress tightly in proper order in on the anticreep piece, through the increase and decrease the quantity of segmentation stay tube is used for adjusting the length of tibial intramedullary nail to match the different positions of tibial fracture.
As another embodiment of the application, the adjacent segmental supporting tubes and the arc-shaped supporting tubes are in insertion fit with the segmental supporting tubes.
As another embodiment of this application, the segmentation stay tube with the lower extreme of arc stay tube all is equipped with the toper platform, the upper end of segmentation stay tube is seted up and is used for matching the toper groove of toper platform.
As another embodiment of the application, the adjacent segmental supporting tubes and the arc-shaped supporting tubes are in hinged fit with the segmental supporting tubes.
As another embodiment of the application, the lower extreme of segmentation stay tube with the arc stay tube all is equipped with the bulb end, the upper end of segmentation stay tube is seted up and is used for matching the arc wall of bulb end, the cooperation of bulb end the arc wall is used for injecing the bulb end rotates along horizontal axis for the arc wall.
As another embodiment of the application, the inner wall of the arc-shaped groove and/or the outer wall of the ball head end are/is provided with a damping layer.
As another embodiment of this application, be located the end of terminal the segmentation stay tube offer be used for the joint anticreep piece the anticreep groove.
As another embodiment of this application, tighten up the component and be the lock sleeve, be equipped with on the flexible rope and be used for matching the screw thread section of lock sleeve, the lock sleeve pass through screw thread section threaded connection in flexible rope is last, be used for with a plurality of the segmentation stay tube with the arc stay tube compresses tightly in the shin bone in proper order.
As another embodiment of the present application, the support device further comprises a plurality of fixing screws, and the plurality of fixing screws are respectively used for fixing the arc-shaped support tube and the plurality of segmented support tubes at different angles.
As another embodiment of the present application, the length of the segmented support tube is no greater than 60 mm.
The tibial intramedullary nail provided by the invention has the beneficial effects that: compared with the prior art, the tibial intramedullary nail is characterized in that one end of the flexible rope, which is provided with the anti-falling block, penetrates into the pre-opening hole in the lateral direction of the tibial platform, the end, which is far away from the anti-falling block, of the flexible rope sequentially penetrates into the plurality of segmented supporting pipes, the plurality of the inserted segmented supporting pipes continuously penetrate into bone marrow in the tibia, and finally penetrate into the arc-shaped supporting pipes, and the arc-shaped supporting pipes and the plurality of the segmented supporting pipes are tightly pressed on the anti-falling block through the tightening component, so that the arc-shaped supporting pipes and the plurality of the segmented supporting pipes form a tibial intramedullary nail structure. Because the stay tube adopts in the form of segmentation gets into the shin bone in proper order, the arc stay tube on upper portion moreover can be smooth with the shin bone intramedullary nail from tibial plateau lateral transition to the shin bone axis direction on, consequently, need not to set up great trompil in advance, ensure that patient's affected part can recover fast. Through changing segmentation stay tube quantity, can increase or shorten the shin bone intramedullary nail, and then match different positions shin bone fracture region, need not to change the shin bone intramedullary nail of different length to different shin bone fracture regions, convenient to use, and easy operation.
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 a tibial intramedullary nail according to a first embodiment of the present invention in an operating state;
FIG. 2 is a schematic view of a connection structure of an arc-shaped supporting tube, a flexible rope and a tightening member according to a first embodiment of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view of the connection structure of adjacent segmented support tubes according to the first embodiment of the present invention;
FIG. 5 is a schematic view of a tibial intramedullary nail according to a second embodiment of the present invention;
FIG. 6 is a schematic view of a connection structure of an arc-shaped supporting tube, a flexible rope and a tightening member according to a second embodiment of the present invention;
FIG. 7 is an enlarged view at B in FIG. 6;
fig. 8 is a perspective view of a segmented support tube according to a second embodiment of the present invention.
In the figure: 100. an arc-shaped supporting tube; 200. supporting the tube in sections; 210. a conical table; 220. a tapered groove; 230. a ball end; 240. an arc-shaped slot; 250. a drop-proof groove; 300. a flexible cord; 301. an anti-drop block; 400. a tightening member; 410. a locking sleeve; 500. and fixing the screw.
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.
Referring to fig. 1 and 5, a tibial intramedullary nail provided by the present invention will now be described. Tibial intramedullary nail, including arc stay tube 100, a plurality of segmentation stay tube 200 and tip are equipped with flexible rope 300 of anticreep piece 301, arc stay tube 100 has the radian that matches the tibial plateau side direction and pass through to the shin bone axis, flexible rope 300 runs through a plurality of segmentation stay tube 200 and arc stay tube 100 in proper order, and be used for compressing tightly a plurality of segmentation stay tube 200 and arc stay tube 100 in proper order on anticreep piece 301 with the help of the component 400 that tightens that is located arc stay tube 100 tip, the length that is used for adjusting the tibial intramedullary nail through the quantity that increases and decreases segmentation stay tube 200, in order to match the different positions of shin bone fracture.
Compared with the prior art, one end of the flexible rope 300, which is provided with the anti-falling block 301, penetrates into the pre-opening hole in the lateral direction of the tibial platform, one end of the flexible rope 300, which is far away from the anti-falling block 301, penetrates into the plurality of segmented supporting tubes 200 in sequence, the plurality of the inserted segmented supporting tubes 200 continuously penetrate into bone marrow in the tibia, and finally penetrates into the arc-shaped supporting tube 100, and the arc-shaped supporting tube 100 and the plurality of the segmented supporting tubes 200 are tightly pressed on the anti-falling block 301 through the tightening member 400, so that the arc-shaped supporting tube 100 and the plurality of the segmented supporting tubes 200 form a tibial intramedullary nail structure with an arc upper part and a straight lower part. Because the segmentation supporting tube 200 adopts the form of segmentation to get into in the shin bone in proper order, the arc supporting tube 100 on upper portion moreover can be smooth with the shin bone intramedullary nail from the tibial plateau side transition to the shin bone axis direction on, consequently, need not to set up great trompil in advance, ensures that patient's affected part can recover fast. Through changing segmentation stay tube 200 quantity, can increase or shorten the shin bone intramedullary nail, and then match different positions shin bone fracture region, need not to change the shin bone intramedullary nail of different length to different shin bone fracture regions, convenient to use, and easy operation.
Wherein the area a marked in figures 1 and 5 is the fracture position of the tibia. The arc-shaped support tube 100 and the segmented support tube 200 are both hollow tubular structures, an internal channel is used for the flexible rope 300 to pass through, the internal diameter of the channel is larger than the external diameter of the flexible rope 300, and when the flexible rope 300 passes through smoothly, the adjacent segmented support tubes 200 are ensured to have included angles, the smooth passing of the flexible rope 300 is not influenced.
In addition, flexible rope 300 has certain rigidity when considering flexibility, can be equipped with the armor at the outside cover of flexible rope 300, avoids flexible rope 300 self to go out the condition of twining or knoing. The flexible rope 300 with certain rigidity can be smoothly penetrated through the pre-opened hole in the lateral direction of the tibial platform independently, and the operation is convenient.
Referring to fig. 2 to 4, as an embodiment of the tibial intramedullary nail of the present invention, adjacent segmented support tubes 200, and the arc-shaped support tube 100 and the segmented support tubes 200 are inserted and matched.
In this embodiment, when the flexible rope 300 is tightened using the tightening member 400, the plurality of segmented support pipes 200 and the arc-shaped support pipe 100 are close to each other and are compressed between the tightening member 400 and the anti-slip block 301. The adjacent segmented supporting tubes 200 and the arc-shaped supporting tubes 100 and the segmented supporting tubes 200 are connected with each other in an insertion manner, so that the adjacent segmented supporting tubes 200 or the arc-shaped supporting tubes 100 and the segmented supporting tubes 200 can be prevented from sliding relatively, and the stability of the tibial intramedullary nail structure is improved.
As an embodiment of the tibial intramedullary nail provided by the present invention, please refer to fig. 2 to 4, the lower ends of the segmented supporting tube 200 and the arc-shaped supporting tube 100 are both provided with a tapered platform 210, and the upper end of the segmented supporting tube 200 is provided with a tapered slot 220 for matching the tapered platform 210.
In this embodiment, the tapered platform 210 is a conical platform, and the tapered slot 220 is a conical slot, which are matched with each other. When the flexible rope 300 is not tightened by the tightening member 400, the segmented support tube 200 and the arc-shaped support tube 100 can rotate relatively to the segmented support tube 200 below, and can be arranged at an included angle, so that a certain degree of freedom is provided. When the flexible rope 300 is tightened by the tightening member 400, the sectional support tube 200 and the tapered platform 210 at the lower part of the arc support tube 100 can be pressed into the tapered groove 220 at the upper end of the sectional support tube 200 below the line thereof, so that the two are relatively kept stable.
In addition, when the flexible rope 300 is tightened by the tightening member 400, two adjacent segmented support tubes 200 or the arc-shaped support tube 100 and the segmented support tube 200 with an included angle can be tightly pressed, the two support tubes are kept in the included angle state through the friction force between the outer wall of the conical table 210 and the inner wall of the conical groove 220, the bending area of the local tibia can be matched, and the capacity of adapting to different areas of the tibia intramedullary nail is stronger.
Referring to fig. 5 to 8, as an embodiment of the tibial intramedullary nail of the present invention, adjacent segmented support tubes 200, and the arc-shaped support tube 100 and the segmented support tube 200 are hinged to each other.
In this embodiment, the arc-shaped support tube 100 and the plurality of segmented support tubes 200 are sequentially sleeved on the flexible rope 300, and when the flexible rope 300 is tightened by the tightening member 400, the joints of the arc-shaped support tube 100 and the segmented support tubes 200 are hinged and matched, so that the arc-shaped support tube 100 and the segmented support tubes 200 can be arranged at an included angle to match the contour shapes of different bones; similarly, the joint of two adjacent segmented support tubes 200 is also in hinged fit, so that the two adjacent segmented support tubes 200 can be arranged at an included angle, and can also be matched with the contour shapes of different bones.
The articulating mode can lead the tibia intramedullary nail provided by the invention not to be limited to tibia fracture operation any more, but also to be expanded to other bone fracture operations.
As an embodiment of the tibial intramedullary nail provided by the present invention, please refer to fig. 5 to 8,
the lower ends of the segmented support tube 200 and the arc support tube 100 are respectively provided with a ball end 230, the upper end of the segmented support tube 200 is provided with an arc groove 240 for matching the ball end 230, and the ball end 230 is matched with the arc groove 240 for limiting the ball end 230 to rotate along a horizontal axis relative to the arc groove 240.
In this embodiment, the upper portion of the arc-shaped slot 240 has two arc-shaped sidewalls, and the two arc-shaped sidewalls can limit the rotation direction of the ball end 230. When the ball end 230 is rotated, the ball end 230 can only rotate at a certain angle along any one of the arc-shaped sidewalls. So that the ball end 230 can only rotate along a plane formed on one plane. Finally, after the segmented support tube 200 enters the tibia, the segmented support tube 200 rotates downwards relative to the adjacent segmented support tube 200, so that the segmented support tube 200 can sequentially and smoothly penetrate into the tibia from the pear-shaped pit.
Referring to fig. 8, as an embodiment of the tibial intramedullary nail provided by the present invention, the inner wall of the arc-shaped slot 240 and/or the outer wall of the ball head 230 is provided with a damping layer.
In this embodiment, the damping layer (not shown) may be a rough surface layer, which increases the friction between the ball head end 230 and the arc groove 240, and ensures that the ball head end 230 and the arc groove 240 rotate at any angle by the pressure provided by the tightening member 400, so as to avoid the situation that the ball head end 230 and the arc groove 240 slide relatively after the flexible rope 300 is tightened.
Optionally, the damping layer may also be a tooth-shaped structure or a bump structure, and may be in pairwise abutting fit or in any manner to be in cooperation with the smooth surface, so as to improve the friction between the ball end 230 and the arc-shaped groove 240.
Referring to fig. 3 and 7, as a specific embodiment of the tibial intramedullary nail provided by the present invention, an anti-slip groove 250 for clamping an anti-slip block 301 is formed at an end of the segmented supporting tube 200 located at the distal end.
In this embodiment, a slip-off preventing groove 250 is opened at the end of the segmented support tube 200 at the end, and the slip-off preventing groove 250 is communicated with a passage for passing the flexible string 300. The outer diameter of the anti-drop block 301 is greater than the cross-sectional profile of the channel, when the arc-shaped support tube 100 and the segmented support tube 200 are installed on the flexible rope 300, the arc-shaped support tube 100 and the segmented support tube 200 are sleeved on the flexible rope 300 from one end of the flexible rope 300 far away from the anti-drop block 301 until the segmented support tube 200 firstly sleeved on the flexible rope 300 reaches the anti-drop block 301, so that the anti-drop block 301 is clamped in the anti-drop groove 250 of the corresponding segmented support tube 200, and the flexible rope 300 can be ensured not to drop out from the segmented support tube 200 under the pulling force of the tightening member 400.
In addition, the anti-falling block 301 can be hidden in the anti-falling groove 250, so that the anti-falling block 301 is prevented from occupying the intramedullary space, and meanwhile, the anti-falling block 301 can also block a channel for passing through the flexible rope 300, so that the bone marrow is prevented from entering the channel.
As a specific embodiment of the tibial intramedullary nail provided by the present invention, please refer to fig. 1 and 5, the tightening member 400 is a locking sleeve 410, a threaded section for matching the locking sleeve 410 is provided on the flexible rope 300, and the locking sleeve 410 is screwed on the flexible rope 300 through the threaded section for sequentially pressing the plurality of segmented supporting tubes 200 and the arc-shaped supporting tube 100 in the tibia.
In this embodiment, the outer surface of the flexible rope 300 is provided with an external thread, after the arc-shaped support tube 100 and the plurality of segmented support tubes 200 sleeved on the flexible rope 300 meet the position of the tibial fracture, the locking sleeve 410 starts to rotate, the locking sleeve 410 moves to one side of the arc-shaped support tube 100 while rotating, so as to drive the arc-shaped support tube 100 to extrude the adjacent segmented support tube 200, the adjacent segmented support tube 200 extrudes the segmented support tube 200 adjacent to the adjacent segmented support tube 200, so as to analogize the arc-shaped support tube 100 and the plurality of segmented support tubes 200 to be finally compressed through the locking sleeve 410, so that the tibial intramedullary nail with a stable structure is formed, and the position of the tibial fracture.
Referring to fig. 1 and 5, a tibial intramedullary nail according to an embodiment of the present invention further includes a plurality of fixing screws 500, wherein the plurality of fixing screws 500 are respectively used for fixing the arc-shaped support tube 100 and the plurality of segmented support tubes 200 at different angles.
In this embodiment, the fixing screws 500 penetrate the tibia at different angles and penetrate the arc-shaped supporting tube 100 and the plurality of segmented supporting tubes 200 correspondingly, so that the arc-shaped supporting tube 100 and the plurality of segmented supporting tubes 200 are fixed in the tibia, and the stability of the entire tibial intramedullary nail is achieved.
As an embodiment of the tibial intramedullary nail provided by the present invention, the length of the segmented support tube 200 is no greater than 60 mm.
In this embodiment, the segmented supporting tube 200 is a straight segment, and the length thereof is limited to be not more than 60mm, so that the straight segment can be ensured to smoothly rotate downwards in the tibia to a vertical state after laterally penetrating from the tibial plateau.
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 (10)
1. Tibial intramedullary nail, its characterized in that is equipped with the flexible rope of anticreep piece including arc stay tube, a plurality of segmentation stay tube and tip, the arc stay tube has the radian that matches the tibial plateau side direction and pass through to the shin bone axis, flexible rope runs through a plurality of in proper order the segmentation stay tube with the arc stay tube, and with the help of being located the component of tightening up of arc stay tube tip is used for a plurality of the segmentation stay tube with the arc stay tube compress tightly in proper order in on the anticreep piece, through the increase and decrease the quantity of segmentation stay tube is used for adjusting the length of tibial intramedullary nail to match the different positions of shin bone fracture.
2. The tibial intramedullary nail of claim 1, wherein adjacent ones of said segmented support tubes and said arcuate support tubes are in a plug-fit engagement with said segmented support tubes.
3. The tibial intramedullary nail of claim 2, wherein the segmented support tube and the arcuate support tube each have a tapered platform at a lower end thereof, and wherein the segmented support tube has a tapered slot at an upper end thereof for mating with the tapered platform.
4. A tibial intramedullary nail according to claim 1, wherein there is a hinged engagement between adjacent ones of the segmented support tubes and between the arcuate support tubes and the segmented support tubes.
5. The tibial intramedullary nail of claim 4, wherein the segmented support tube and the curved support tube each have a ball end at a lower end thereof, the segmented support tube having an upper end thereof defining an arcuate slot for mating with the ball end, the ball end mating with the arcuate slot for limiting rotation of the ball end relative to the arcuate slot along a horizontal axis.
6. A tibial intramedullary nail according to claim 5, wherein the inner wall of the arcuate slot and/or the outer wall of the ball end is provided with a damping layer.
7. The tibial intramedullary nail of claim 1, wherein an anti-slip groove for clamping the anti-slip block is formed at an end of the segmented support tube at the distal end.
8. The tibial intramedullary nail of claim 1, wherein said tightening member is a locking sleeve, said flexible cord has a threaded portion for mating with said locking sleeve, said locking sleeve is threaded onto said flexible cord through said threaded portion for sequentially compressing said plurality of segmented support tubes and said arcuate support tube within the tibia.
9. A tibial intramedullary nail according to claim 1, further comprising a plurality of fixation screws for fixing the arcuate support tube and a plurality of the segmented support tubes at different angles, respectively.
10. A tibial intramedullary nail according to any one of claims 1 to 9, wherein the length of the segmented support tube is no greater than 60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097119.5A CN112932641B (en) | 2021-01-25 | 2021-01-25 | Tibia intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097119.5A CN112932641B (en) | 2021-01-25 | 2021-01-25 | Tibia intramedullary nail |
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| Publication Number | Publication Date |
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| CN112932641A true CN112932641A (en) | 2021-06-11 |
| CN112932641B CN112932641B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110097119.5A Active CN112932641B (en) | 2021-01-25 | 2021-01-25 | Tibia intramedullary nail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113974809A (en) * | 2021-12-15 | 2022-01-28 | 河北医科大学第三医院 | Tibia intramedullary nail |
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| US20140114312A1 (en) * | 2010-02-24 | 2014-04-24 | William R. Krause | Flexible Intramedullary Nail |
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| CN210019596U (en) * | 2019-04-20 | 2020-02-07 | 常州健力邦德医疗器械有限公司 | Sectional adjustable intramedullary nail with lock |
| CN210598852U (en) * | 2019-09-03 | 2020-05-22 | 北京天擎丽都科技有限公司 | Ball head sleeve type flexible short joint for oil well salvage |
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| TW588643U (en) * | 2003-06-12 | 2004-05-21 | Sai-Wei Yang | Multi-staged internal locking type internal-bone nailing device |
| CN101019787A (en) * | 2006-12-31 | 2007-08-22 | 中国人民解放军第四军医大学 | Physiological cervical vertebral reconstructing system |
| CN101636119A (en) * | 2007-03-22 | 2010-01-27 | 诺瓦利恩整形公司 | Segmented intramedullary structure |
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| US20140114312A1 (en) * | 2010-02-24 | 2014-04-24 | William R. Krause | Flexible Intramedullary Nail |
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| US20130072931A1 (en) * | 2011-09-16 | 2013-03-21 | Stryker Trauma Gmbh | Method for tibial nail insertion |
| CN209203480U (en) * | 2018-09-03 | 2019-08-06 | 郑伟伟 | The sliceable intramedullary needle of multi-segmental |
| CN210019596U (en) * | 2019-04-20 | 2020-02-07 | 常州健力邦德医疗器械有限公司 | Sectional adjustable intramedullary nail with lock |
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| CN113974809A (en) * | 2021-12-15 | 2022-01-28 | 河北医科大学第三医院 | Tibia intramedullary nail |
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| Publication number | Publication date |
|---|---|
| CN112932641B (en) | 2023-09-08 |
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