CN104367374B - A kind of self-drilling type intramedullary pin - Google Patents
A kind of self-drilling type intramedullary pin Download PDFInfo
- Publication number
- CN104367374B CN104367374B CN201410640620.1A CN201410640620A CN104367374B CN 104367374 B CN104367374 B CN 104367374B CN 201410640620 A CN201410640620 A CN 201410640620A CN 104367374 B CN104367374 B CN 104367374B
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- gear wheel
- feed gear
- hole
- expansion link
- self
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/164—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans intramedullary
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1655—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for tapping
Abstract
The invention belongs to orthopedic fixation device tool technical field, particularly relate to a kind of self-drilling type intramedullary pin, comprise the medullary nailing rod in hollow form, on the sidewall of its near-end, far-end, some through holes to being oppositely arranged are respectively equipped with at medullary nailing rod inner chamber, be provided with in medullary nailing rod inner chamber and medullary nailing rod far-end Miniature electric drill that through hole removably connects, the scalable drill bit of this Miniature electric drill is towards the arranged outside of medullary nailing rod inner chamber, and this Miniature electric drill is provided with the power line for being electrically connected with external power source; For the first hold-down screw through this through hole, this first hold-down screw comprises the first connecting portion be connected with the bone wall near this through hole, and through the second connecting portion that this through hole is connected with the bone wall of opposite side; And for passing some other second hold-down screws to being oppositely arranged through hole; Hold-down screw can be ensured during such use accurately through the through hole on medullary nailing rod, avoid causing unnecessary injury to patient.
Description
Technical field
The invention belongs to orthopedic fixation device tool technical field, particularly relate to a kind of self-drilling type intramedullary pin.
Background technology
Intramedullary pin is the inner fixing device that the fracture such as humerus, femur, tibia are commonly used, and common intramedullary pin structure comprises medullary nailing rod and hold-down screw, and the near-end, far-end of medullary nailing rod are respectively equipped with the through hole passed for hold-down screw.During use, first medullary nailing rod is inserted in medullary cavity, and then be fixed through bone wall and medullary nailing rod at the hold-down screw of both sides up and down of fracture.When inserting medullary nailing rod, its distal portions is easy to deform, and causes the through hole of far-end to be difficult to find, can cause more injury, add operating difficulty and operating time, use inconvenience very to patient.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of self-drilling type intramedullary pin, accurately can find the through hole on medullary nailing rod, avoids causing unnecessary injury to patient.
The present invention realizes like this, a kind of self-drilling type intramedullary pin, described self-drilling type intramedullary pin comprises the medullary nailing rod in hollow form, on the sidewall of its near-end, far-end, some through holes to being oppositely arranged are respectively equipped with at described medullary nailing rod inner chamber, described self-drilling type intramedullary pin also comprises the interior Miniature electric drill removably connected with a described through hole of far-end of the cavity being arranged on described medullary nailing rod, and described Miniature electric drill is provided with the power line for being electrically connected with external power source; Described Miniature electric drill comprises:
Housing; Be arranged on the expansion link of the extended described hull outside of described case inside, described expansion link comprises some sections points of bars; Be arranged on the drilling apparatus of described hull outside, described drilling apparatus comprises the bore motor be fixedly connected with described expansion link, the drill bit be fixedly connected with the output shaft of described bore motor, and the output shaft of described expansion link, described bore motor, described drill bit coaxial line are arranged; Be arranged on the driving device that described case inside drives the advance of described drilling apparatus to bore bone for driving described expansion link to stretch out or drives described expansion link retraction to drive described drilling apparatus to return.
Improve as one, be provided with slideway on the housing, the Single port of described slideway is communicated with described case inside, and the another port of described slideway is communicated with described hull outside; Described expansion link is hollow form and is arranged in described slideway, and the bar tail end of described expansion link divides bar can slide along described slideway, and the rod head end of described expansion link divides bar extended described hull outside.
Improve as one, described feed gear wheel is arranged on the sidepiece of described driving device.
Improve as one, described installation of slide track is in described case inside or described hull outside.
Improve as one, described expansion link is hollow form, and the bar tail end of described expansion link divides bar to be fixedly connected with described case inside, and the rod head end of described expansion link divides bar extended described hull outside.
Improve as one, described driving device comprises:
Be arranged on the feed gear wheel of described case inside, the sidepiece place of described feed gear wheel is provided with position-limited wheel;
Drive the either-rotation motor that described feed gear wheel rotates, the output shaft of described either-rotation motor is connected with described feed gear wheel; At described feed gear wheel, described position-limited wheel, the side away from described either-rotation motor is provided with cover plate, described cover plate also fastens the storage lid be coaxially set with described feed gear wheel;
And be arranged on the flexible rack engaged with described feed gear wheel between described cover plate with described housing, described flexible rack is inserted in described expansion link through the gap described feed gear wheel, described position-limited wheel, the first end of described flexible rack divides bar to be fixedly connected with described rod head end, and the second end of described flexible rack is inserted in described storage lid through described cover plate.
Improve as one, described driving device comprises:
Be arranged on the feed gear wheel of described case inside, the sidepiece place of described feed gear wheel is provided with position-limited wheel;
The worm screw engaged with described feed gear wheel is also provided with at the sidepiece of described feed gear wheel, and the either-rotation motor driving described worm screw to rotate, described feed gear wheel, described position-limited wheel, described worm screw are provided with cover plate, and described cover plate also fastens the storage lid be coaxially set with described feed gear wheel;
And be arranged on the flexible rack engaged with described feed gear wheel between described cover plate with described housing, described flexible rack is inserted in described expansion link through the gap described feed gear wheel, described position-limited wheel, the first end of described flexible rack divides bar to be fixedly connected with described rod head end, and the second end of described flexible rack is inserted in described storage lid through described cover plate.
Improve as one, the end of described Miniature electric drill is arranged in described through hole, between described Miniature electric drill and described through-hole wall, be provided with holding screw.
Improve as one, the outer end of described Miniature electric drill drill bit is positioned within described through hole.
Improve as one, described self-drilling type intramedullary pin also comprises: for the first hold-down screw through through hole described in this, described first hold-down screw comprises the first connecting portion be connected with near the bone wall of through hole described in this, and through the second connecting portion that through hole described in this is connected with the bone wall of opposite side; For passing some other second hold-down screws to being oppositely arranged described through hole.
Owing to have employed technique scheme, the beneficial effect that self-drilling type intramedullary pin of the present invention obtains is as follows:
During use, first medullary nailing rod is inserted in medullary cavity, the power line of Miniature electric drill is electrically connected with external power source, then Miniature electric drill is started, the drill bit of Miniature electric drill stretches out and holes to the bone wall close with it, the drill bit of Miniature electric drill exposes bone wall and can stop boring, corresponding position is found again by location square bar, and at the position place scarfing of correspondence, with the bone wall reaming of core drill at bit location place, by the hole expanded, Miniature electric drill is disassembled, location square bar is utilized to determine the position of other through hole according to the position of this through hole, can ensure accurately to find the through hole on medullary nailing rod during such use, avoid causing unnecessary injury to patient.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the medullary nailing rod of first embodiment of the invention;
Fig. 2 is the partial enlargement structural representation at A place in Fig. 1;
Fig. 3 be along B in Fig. 2 to structural representation;
Fig. 4 is that the self-drilling type intramedullary pin of first embodiment of the invention uses schematic diagram;
Fig. 5 is the sectional structure schematic diagram of the Miniature electric drill of the self-drilling type intramedullary pin of first embodiment of the invention;
Fig. 6 is the sectional structure schematic diagram after the Miniature electric drill of the self-drilling type intramedullary pin of first embodiment of the invention removes storage lid;
Fig. 7 is the sectional structure schematic diagram after the expansion link of the Miniature electric drill of the self-drilling type intramedullary pin of first embodiment of the invention stretches out;
Fig. 8 is the sectional structure schematic diagram of the Miniature electric drill of the self-drilling type intramedullary pin of second embodiment of the invention;
Fig. 9 is the sectional structure schematic diagram after the Miniature electric drill of the self-drilling type intramedullary pin of third embodiment of the invention removes storage lid;
Wherein, 10, medullary nailing rod, 11, through hole, 12, Miniature electric drill, 121, drill bit, 122, housing, 123, slideway, 13, holding screw, 14, the first hold-down screw, the 141, first connecting portion, the 142, second connecting portion, the 15, second hold-down screw, 16, bone wall, 17, expansion link, 18, bore motor, 19, feed gear wheel, 20, position-limited wheel, 21, flexible rack, 22, either-rotation motor, 23, worm screw, 24, cover plate, 25, storage lid.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
First embodiment
From Fig. 1 to Fig. 7, this self-drilling type intramedullary pin comprises: the medullary nailing rod 10 in hollow form, on the sidewall of its near-end, far-end, be respectively equipped with some through holes 11 to being oppositely arranged at medullary nailing rod 10 inner chamber, this some through hole 11 to being oppositely arranged is arranged along the axis direction interval of medullary nailing rod 10; Being arranged on the interior Miniature electric drill 12 removably connected with a through hole 11 of far-end of cavity of medullary nailing rod 10, this Miniature electric drill 12 being connected with along the power line of cavity direction layout for being electrically connected with external power source in medullary nailing rod 10; For the first hold-down screw 14 through this through hole 11, this first hold-down screw 14 comprises the first connecting portion 141 be connected with the bone wall 16 near this through hole 11, and through the second connecting portion 142 that this through hole 11 is connected with the bone wall 16 of opposite side; And for passing some other second hold-down screws 15 to being oppositely arranged through hole 11.
Miniature electric drill 12 comprises: housing 122, housing 122 is provided with slideway 123, the Single port of this slideway 123 is communicated with inside housing 122, the another port of this slideway 123 is communicated with outside housing 122, the expansion link 17 of hollow is provided with in slideway 123, this expansion link 17 comprises some sections points of bars, the bar tail end of this expansion link 17 divides bar can slide along slideway 123, the rod head end of this expansion link 17 divides outside the extended housing 122 of bar, drilling apparatus is provided with in the outside of housing 122, this drilling apparatus comprises the bore motor 18 dividing bar to be fixedly connected with rod head end, the drill bit 121 be fixedly connected with the output shaft of bore motor 18, expansion link 17, the output shaft of bore motor 18, drill bit 121 coaxial line is arranged, be arranged on the driving device driving drilling apparatus advance to bore bone for driving expansion link 17 to stretch out or drive expansion link 17 retraction to drive drilling apparatus to return inside housing 122, this driving device comprises the feed gear wheel 19 be arranged on inside housing 122, this feed gear wheel 19 is arranged with the port be communicated with inside housing 122 near slideway 123, in the present embodiment, be arranged on the sidepiece of slideway 123 axis, the sidepiece place of feed gear wheel 19 is provided with position-limited wheel 20, the worm screw 23 engaged with feed gear wheel 19 is also provided with at the sidepiece of feed gear wheel 19, and the either-rotation motor 22 driving worm screw 23 to rotate, at feed gear wheel 19, position-limited wheel 20, worm screw 23 is provided with cover plate 24, cover plate 24 also fastens and has the storage lid 25 be coaxially set with feed gear wheel 19, and be arranged on the flexible rack 21 engaged with feed gear wheel 19 between cover plate 24 with housing 122, this flexible rack 21 is inserted in expansion link 17 through the gap feed gear wheel 19, position-limited wheel 20, first end and the rod head end of flexible rack 21 divide bar to be fixedly connected with, second end of flexible rack 21 is inserted in storage lid 25 through cover plate 24, flexible rack 21 is made up of rigid plastics, itself there is certain rigidity, other material can certainly be adopted to make.
In the present embodiment, slideway 123 is arranged on inside housing 122, certainly, according to actual needs slideway 123 can be arranged on hull outside.
During use, first medullary nailing rod 10 is inserted in medullary cavity, the power line of Miniature electric drill 12 is electrically connected with external power source, then Miniature electric drill 12 is started, the drill bit 121 of Miniature electric drill 12 stretches out and holes to the bone wall 16 close with it, the drill bit 121 of Miniature electric drill 12 exposes bone wall 16 and can stop boring, corresponding position is found again by location square bar, and at the position place scarfing of correspondence, with bone wall 16 reaming of core drill in drill bit 121 position, by the hole expanded, Miniature electric drill 12 is disassembled, implant the first hold-down screw 14 again, its first connecting portion 141 is connected with the hole expanded, its second connecting portion 142 is connected with the bone wall 16 of opposite side through the through hole 11 of far-end, finally location square bar is utilized to determine the position of other through hole 11 according to the position of this through hole 11, and corresponding implantation the second hold-down screw 15, can ensure to fix the first hold-down screw 14, second hold-down screw 15 when using and accurately find through hole 11 on medullary nailing rod 10 like this, avoid causing unnecessary injury to patient.
For the ease of understanding, the operation principle of Miniature electric drill 12 is done following introduction by composition graphs 5, Fig. 6 and Fig. 7:
During use, start bore motor 18, either-rotation motor 22, bore motor 18 drives drill bit 121, either-rotation motor 22 drives worm screw 23 to rotate, thus driving feed gear wheel 19 to rotate, flexible rack 21 engages with feed gear wheel 19, and flexible rack 21 is fixedly connected with point bar being positioned at far-end, such flexible rack 21 just outwards can promote point bar of far-end, drive expansion link 17 to stretch out, as shown in Figure 7, just can hole to bone wall 16 while promotion expansion link 17; After boring, start either-rotation motor 22 and rotate backward, point bar of far-end of pulling back, drive expansion link 17 to retract, as shown in Figure 5.
In the present embodiment, the end of Miniature electric drill 12 is arranged in through hole 11, is fixedly connected with, when needing Miniature electric drill 12 to disassemble by the holding screw 13 be arranged between Miniature electric drill 12 with through hole 11 inwall, holding screw 13 is only needed to pull down, convenient and swift.
In the present embodiment, in order to insert in medullary cavity by medullary nailing rod 10 more smoothly, the outer end of Miniature electric drill 12 drill bit 121 is positioned at when not working within through hole 11.
Second embodiment
As shown in Figure 8, this embodiment is substantially identical with the first embodiment, and its difference is:
Miniature electric drill 12 comprises: housing 122, is arranged on the expansion link 17 inside housing 122, and the bar tail end of this expansion link 17 divides bar to be fixedly connected with inside housing 122, and the rod head end of this expansion link 17 divides outside the extended housing 122 of bar; The bar tail end that the feed gear wheel 19 of respective drive device is arranged near expansion link 17 divides boom end place.
3rd embodiment
As shown in Figure 9, this embodiment is substantially identical with the first embodiment, and its difference is:
Driving device comprises: be arranged on the feed gear wheel 19 inside housing 122, this feed gear wheel 19 is arranged with the port be communicated with inside housing 122 near slideway 123, in the present embodiment, be arranged on the sidepiece of slideway 123 axis, the sidepiece place of feed gear wheel 19 is provided with position-limited wheel 20; Drive the either-rotation motor 22 that feed gear wheel 19 rotates, the output shaft of this either-rotation motor 22 is directly connected with feed gear wheel 19; At feed gear wheel 19, position-limited wheel 20, the side away from either-rotation motor 22 is provided with cover plate 24, cover plate 24 also fastens the storage lid 25 be coaxially set with feed gear wheel 19; And be arranged on the flexible rack 21 engaged with feed gear wheel 19 between cover plate 24 with housing 122, this flexible rack 21 is inserted in expansion link 17 through the gap feed gear wheel 19, position-limited wheel 20, first end and the rod head end of flexible rack 21 divide bar to be fixedly connected with, and the second end of flexible rack 21 is inserted in storage lid 25 through cover plate 24.
In the present embodiment, the output shaft of either-rotation motor 22 is directly connected with feed gear wheel 19, cover plate 24 is arranged on feed gear wheel 19, the side of position-limited wheel 20 away from either-rotation motor 22, eliminate worm-drive part, structure is more simple, reduce and add work manufacture difficulty, production cost can be reduced accordingly.
Self-drilling type intramedullary pin provided by the invention comprises the medullary nailing rod in hollow form, on the sidewall of its near-end, far-end, be respectively equipped with some through holes to being oppositely arranged at medullary nailing rod inner chamber, this some through hole to being oppositely arranged is arranged along the axis direction interval of medullary nailing rod, be arranged on the Miniature electric drill in medullary nailing rod inner chamber, a through hole of this Miniature electric drill and medullary nailing rod far-end removably connects, the scalable drill bit of this Miniature electric drill is towards the arranged outside of medullary nailing rod inner chamber, and this Miniature electric drill is provided with the power line for being electrically connected with external power source, for the first hold-down screw through this through hole, this first hold-down screw comprises the first connecting portion be connected with the bone wall near this through hole, and through the second connecting portion that this through hole is connected with the bone wall of opposite side, and for passing some other second hold-down screws to being oppositely arranged through hole, during use, first medullary nailing rod is inserted in medullary cavity, the power line of Miniature electric drill is electrically connected with external power source, then Miniature electric drill is started, the drill bit of Miniature electric drill stretches out and holes to the bone wall close with it, the drill bit of Miniature electric drill exposes bone wall and can stop boring, corresponding position is found again by location square bar, and at the position place scarfing of correspondence, with the bone wall reaming of core drill at bit location place, by the hole expanded, Miniature electric drill is disassembled, implant the first hold-down screw again, its first connecting portion is connected with the hole of expansion, its second connecting portion is connected with the bone wall of opposite side through the through hole of far-end, location square bar is finally utilized to determine the position of other through hole according to the position of this through hole, and corresponding implantation the second hold-down screw, can ensure to fix the first hold-down screw when using like this, the second hold-down screw accurately finds through hole on medullary nailing rod, avoid causing unnecessary injury to patient.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a self-drilling type intramedullary pin, comprise the medullary nailing rod in hollow form, on the sidewall of its near-end, far-end, some through holes to being oppositely arranged are respectively equipped with at described medullary nailing rod inner chamber, it is characterized in that, described self-drilling type intramedullary pin also comprises the interior Miniature electric drill removably connected with a described through hole of far-end of the cavity being arranged on described medullary nailing rod, and described Miniature electric drill is provided with the power line for being electrically connected with external power source; Described Miniature electric drill comprises:
Housing; Be arranged on the expansion link of the extended described hull outside of described case inside, described expansion link comprises some sections points of bars; Be arranged on the drilling apparatus of described hull outside, described drilling apparatus comprises the bore motor be fixedly connected with described expansion link, the drill bit be fixedly connected with the output shaft of described bore motor, and the output shaft of described expansion link, described bore motor, described drill bit coaxial line are arranged; Be arranged on the driving device that described case inside drives the advance of described drilling apparatus to bore bone for driving described expansion link to stretch out or drives described expansion link retraction to drive described drilling apparatus to return.
2. self-drilling type intramedullary pin according to claim 1, is characterized in that, be provided with slideway on the housing, and the Single port of described slideway is communicated with described case inside, and the another port of described slideway is communicated with described hull outside; Described expansion link is hollow form and is arranged in described slideway, and the bar tail end of described expansion link divides bar can slide along described slideway, and the rod head end of described expansion link divides bar extended described hull outside.
3. self-drilling type intramedullary pin according to claim 2, is characterized in that, described driving device is arranged on the sidepiece of described slideway axis.
4. self-drilling type intramedullary pin according to claim 2, is characterized in that, described installation of slide track is in described case inside or described hull outside.
5. self-drilling type intramedullary pin according to claim 1, is characterized in that, described expansion link is hollow form, and the bar tail end of described expansion link divides bar to be fixedly connected with described case inside, and the rod head end of described expansion link divides bar extended described hull outside.
6. the self-drilling type intramedullary pin according to any one of claim 2 to 5, is characterized in that, described driving device comprises:
Be arranged on the feed gear wheel of described case inside, the sidepiece place of described feed gear wheel is provided with position-limited wheel;
Drive the either-rotation motor that described feed gear wheel rotates, the output shaft of described either-rotation motor is connected with described feed gear wheel; At described feed gear wheel, described position-limited wheel, the side away from described either-rotation motor is provided with cover plate, described cover plate also fastens the storage lid be coaxially set with described feed gear wheel;
And be arranged on the flexible rack engaged with described feed gear wheel between described cover plate with described housing, described flexible rack is inserted in described expansion link through the gap described feed gear wheel, described position-limited wheel, the first end of described flexible rack divides bar to be fixedly connected with described rod head end, and the second end of described flexible rack is inserted in described storage lid through described cover plate.
7. the self-drilling type intramedullary pin according to any one of claim 2 to 5, is characterized in that, described driving device comprises:
Be arranged on the feed gear wheel of described case inside, the sidepiece place of described feed gear wheel is provided with position-limited wheel;
The worm screw engaged with described feed gear wheel is also provided with at the sidepiece of described feed gear wheel, and the either-rotation motor driving described worm screw to rotate, described feed gear wheel, described position-limited wheel, described worm screw are provided with cover plate, and described cover plate also fastens the storage lid be coaxially set with described feed gear wheel;
And be arranged on the flexible rack engaged with described feed gear wheel between described cover plate with described housing, described flexible rack is inserted in described expansion link through the gap described feed gear wheel, described position-limited wheel, the first end of described flexible rack divides bar to be fixedly connected with described rod head end, and the second end of described flexible rack is inserted in described storage lid through described cover plate.
8. self-drilling type intramedullary pin according to claim 7, is characterized in that, the end of described Miniature electric drill is arranged in described through hole, between described Miniature electric drill and described through-hole wall, be provided with holding screw.
9. self-drilling type intramedullary pin according to claim 8, is characterized in that, the outer end of described Miniature electric drill drill bit is positioned within described through hole.
10. self-drilling type intramedullary pin according to claim 1, it is characterized in that, described self-drilling type intramedullary pin also comprises: for the first hold-down screw through through hole described in this, described first hold-down screw comprises the first connecting portion be connected with near the bone wall of through hole described in this, and through the second connecting portion that through hole described in this is connected with the bone wall of opposite side; For passing some other second hold-down screws to being oppositely arranged described through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410640620.1A CN104367374B (en) | 2014-11-13 | 2014-11-13 | A kind of self-drilling type intramedullary pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410640620.1A CN104367374B (en) | 2014-11-13 | 2014-11-13 | A kind of self-drilling type intramedullary pin |
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| Publication Number | Publication Date |
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| CN104367374A CN104367374A (en) | 2015-02-25 |
| CN104367374B true CN104367374B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410640620.1A Active CN104367374B (en) | 2014-11-13 | 2014-11-13 | A kind of self-drilling type intramedullary pin |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112155705B (en) * | 2020-10-29 | 2021-10-08 | 江佩师 | Single-incision interlocking intramedullary nail system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6053918A (en) * | 1994-10-25 | 2000-04-25 | General Orthopedics | Apparatus and method for fastening an intramedullary nail to a bone |
| US6309392B1 (en) * | 1998-12-30 | 2001-10-30 | Daniel Alexander | System for intramedullary fixation of long bone fractures |
| CN102665582A (en) * | 2009-11-19 | 2012-09-12 | 帝纪麦德奥托公司 | Intermedullary system and method |
| CN103006306A (en) * | 2012-12-30 | 2013-04-03 | 翟延荣 | Interlocking intramedullary nail locking positioning and drilling method and device |
| CN104083199A (en) * | 2014-07-25 | 2014-10-08 | 杨涛 | Self-locking pressurizing intramedullary nail capable of making two ends of fracture portion tightly joined |
| CN204192724U (en) * | 2014-11-13 | 2015-03-11 | 胡明军 | A kind of self-drilling type intramedullary pin |
-
2014
- 2014-11-13 CN CN201410640620.1A patent/CN104367374B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6053918A (en) * | 1994-10-25 | 2000-04-25 | General Orthopedics | Apparatus and method for fastening an intramedullary nail to a bone |
| US6309392B1 (en) * | 1998-12-30 | 2001-10-30 | Daniel Alexander | System for intramedullary fixation of long bone fractures |
| CN102665582A (en) * | 2009-11-19 | 2012-09-12 | 帝纪麦德奥托公司 | Intermedullary system and method |
| CN103006306A (en) * | 2012-12-30 | 2013-04-03 | 翟延荣 | Interlocking intramedullary nail locking positioning and drilling method and device |
| CN104083199A (en) * | 2014-07-25 | 2014-10-08 | 杨涛 | Self-locking pressurizing intramedullary nail capable of making two ends of fracture portion tightly joined |
| CN204192724U (en) * | 2014-11-13 | 2015-03-11 | 胡明军 | A kind of self-drilling type intramedullary pin |
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| Publication number | Publication date |
|---|---|
| CN104367374A (en) | 2015-02-25 |
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