CN108433804B - A kind of intramedullary nail openings lead device - Google Patents
A kind of intramedullary nail openings lead device Download PDFInfo
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- CN108433804B CN108433804B CN201810310900.4A CN201810310900A CN108433804B CN 108433804 B CN108433804 B CN 108433804B CN 201810310900 A CN201810310900 A CN 201810310900A CN 108433804 B CN108433804 B CN 108433804B
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- Prior art keywords
- guide pipe
- locating rod
- intramedullary nail
- direction locating
- vertical direction
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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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- General Health & Medical Sciences (AREA)
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- Surgical Instruments (AREA)
Abstract
A kind of intramedullary nail openings lead device, belongs to orthopedic medical device technical field, carries out correct guidance for squeezing into intramedullary nail to femoral shaft, intertrochanter fracture of femur.Its technical solution is: the inner hole of intramedullary nail guide pin and guide pipe is to be slidably matched, upper connecting rod and lateral connector bar are respectively perpendicular the top and side for being connected to guide pipe, upper connecting rod and lateral connector bar are vertical, the rear end of horizontal direction locating rod and vertical direction locating rod is connected with the upper end of upper connecting rod and lateral connector bar respectively, and respectively with the centerline axis parallel of guide pipe, the front end of horizontal direction locating rod and vertical direction locating rod is located in front of guide pipe, and guiding pipe holder is connected with guide pipe.The present invention thoroughly solves the problems, such as that being detached from roentgen radiation x is difficult to accurately be placed in intramedullary nail and the damage dilemma in roentgen radiation x to patient's health, intramedullary nail can be guided to enter opening from any direction, accurate positioning reduces operating difficulty, operating time has been saved, accurately replacement and fixation has been reached.
Description
Technical field
The present invention relates to a kind of pair of femoral shaft, intertrochanter fracture of femurs to squeeze into the device that intramedullary nail carries out correct guidance, belongs to
In orthopedic medical device technical field.
Background technique
Femoral shaft, tibial plateau, intertrochanter fracture of femur are common classification of fracture, due to muscular, the bone of thigh
It is after folding to have dislocation and be overlapped more.Fracture distal end, which often has the tendency that inwardly receiving, to be shifted, the fracture aligned, normal outwardly convex tendency,
This displacement and angulation tendency, it should be noted that correcting and preventing in fractures.Femoral shaft, Treatment of Intertrochanteric Fracture purpose
It is to restore the lower limb line of force, strong fixed sclerite, avoid the occurrence of postoperative malunion, the long term complications such as anchylosis.Operation
Treat femoral shaft, the committed step of intertrochanter fracture of femur is closed on the correct condyle of femur of selection or greater trochanter of femur position
Suitable method opening, currently used hatch method is directly open for the curved opener of arc, its main feature is that opening direction is uncertain,
It needs patient to hold opener in opening process to carry out under x-ray direct irradiation, is a very big injury, radiating irradiation to patient
It can cause a variety of damages, seriously threaten the health of patient.So far, it is not detached under roentgen radiation x and carries out exact-slot
The instrument and method of operation are detached from roentgen radiation x and are extremely difficult to accurate positioning, and the approach axis of intramedullary nail and path are also difficult to protect
Card, therefore in roentgen radiation x menisectomy and be detached from roentgen radiation x and performed the operation the defect for being difficult to overcome, how to select to make to perform the operation
Personnel are in awkward condition, it would be highly desirable to solve.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of intramedullary nail openings lead device, this openings lead device can be with
Enter opening from any direction guidance intramedullary nail, accurate positioning reduces operating difficulty, saves the time, reaches and accurately resets admittedly
It is fixed, while can radiation injury to avoid operator in operation by x-ray.
The technical solution for solving above-mentioned technical problem is:
A kind of intramedullary nail openings lead device, it includes guide pipe, upper connecting rod, horizontal direction locating rod, lateral connector bar, hangs down
Histogram matches to locating rod, guiding pipe holder, the outer diameter of the inner hole and intramedullary nail guide pin of guide pipe, intramedullary nail guide pin and guiding
The inner hole of pipe is to be slidably matched, and upper connecting rod and lateral connector bar are respectively perpendicular the top and side for being connected to guide pipe, upper connection
Bar and lateral connector bar are vertical, the rear end of horizontal direction locating rod and vertical direction locating rod respectively with upper connecting rod and lateral connector bar
Upper end be connected, horizontal direction locating rod and vertical direction locating rod respectively with the centerline axis parallel of guide pipe, level side
It is located in front of guide pipe to the front end of locating rod and vertical direction locating rod, guiding pipe holder is connected with guide pipe.
Above-mentioned intramedullary nail openings lead device, the horizontal direction locating rod and vertical direction locating rod are respectively two, and two
Root horizontal direction locating rod is connected in parallel at the upper end and middle part of upper connecting rod, and two vertical direction locating rods are connected in parallel at side
The upper end and middle part of connecting rod.
Above-mentioned intramedullary nail openings lead device, the guiding pipe holder are made of left support and right support, left support and right branch
Frame is respectively by pedestal, and upright bar, flexible metal conduit, collet composition, pedestal is disk, and the lower end of upright bar is fixedly connected with base center, is stood
The upper end of bar is connected with armoured rear end, and armoured front end is connected with collet, and collet is semi-circular, the semi-ring of collet
The periphery of radian and guide pipe matches.
Above-mentioned intramedullary nail openings lead device, the left support and right support of the guiding pipe holder are respectively two, two left sides
The collet of bracket and two right supports is mutually clamped with the front and rear of guide pipe respectively.
The beneficial effects of the present invention are:
The top of guide pipe of the invention and the horizontal direction locating rod of side and vertical direction locating rod respectively with guiding
The centerline axis parallel of pipe, operation consent mobile guide pipe make the throwing of horizontal direction locating rod and vertical direction locating rod under x-ray
Shadow is preset hole location with femoral shaft intramedullary nail respectively and is overlapped, and the central axis of guide pipe is the straight line that intramedullary nail imports, and then uses
Guiding pipe holder positions guide pipe, and roentgen radiation x can be detached from operation using guide pipe and carries out intramedullary nail merging to femoral shaft
Operation.
The present invention is the pioneering of femoral shaft intramedullary nail merging, thoroughly solves disengaging roentgen radiation x and is difficult to accurately be placed in marrow
The problem of following closely and operating the damage dilemma to patient's health under roentgen radiation x.The present invention can guide marrow from any direction
Interior nail enters opening, and accurate positioning reduces operating difficulty, saved operating time, has reached accurately replacement and fixation, simultaneously
Can radiation injury to avoid operator in operation by x-ray, the welcome by surgical staff.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is use state diagram of the invention.
It is marked in figure as follows: guide pipe 1, upper connecting rod 2, horizontal direction locating rod 3, lateral connector bar 4, vertical direction positioning
Bar 5, left support 6, right support 7, pedestal 8, upright bar 9, flexible metal conduit 10, collet 11, femoral shaft 12, intramedullary nail guide pin 13.
Specific embodiment
The present invention by guide pipe 1, upper connecting rod 2, horizontal direction locating rod 3, lateral connector bar 4, vertical direction locating rod 5,
It is oriented to pipe holder composition.
It is shown in figure, guide pipe 1 is metal catheter, and the outer diameter of the inner hole and intramedullary nail guide pin 13 of guide pipe 1 matches, marrow
The inner hole of interior nail guide pin 13 and guide pipe 1 is to be slidably matched.Guiding pipe holder is connected with guide pipe 1, and the front end of guide pipe 1 is opened
Mouth is opposite with the merging aperture position of intramedullary nail of femoral shaft 12.
It is shown in figure, upper connecting rod 2 and lateral connector bar 4 are respectively perpendicular the top and side for being connected to guide pipe 1, upper connection
Bar 2 and lateral connector bar 4 are vertical.
It is shown in figure, the rear end of horizontal direction locating rod 3 is connected with the upper end of upper connecting rod 2, horizontal direction locating rod 3
With the centerline axis parallel of guide pipe 1, the front end of horizontal direction locating rod 3 is located at the top of the femoral shaft 12 in 1 front of guide pipe.
Horizontal direction locating rod 3 is two, and two horizontal direction locating rods 3 are connected in parallel at the upper end and middle part of upper connecting rod 2.Pass through
The projection of roentgen radiation x, horizontal direction locating rod 3 can position the horizontal direction of guide pipe 1.
It is shown in figure, the rear end of vertical direction locating rod 5 is connected with the upper end of lateral connector bar 4, vertical direction locating rod 5
With the centerline axis parallel of guide pipe 1, the front end of vertical direction locating rod 5 is located at the top of the femoral shaft 12 in 1 front of guide pipe.
Vertical direction locating rod 5 is respectively two, and two vertical direction locating rods 5 are connected in parallel at the upper end and middle part of lateral connector bar 4.
By the projection of roentgen radiation x, vertical direction locating rod 5 can be positioned the vertical direction of guide pipe 1.
It being shown in figure, guiding pipe holder is made of left support 6 and right support 7, and left support 6 and right support 7 are respectively two,
Two left supports 6 and two right supports 7 are clamped in the front and rear of guide pipe 1 respectively, no longer move after positioning guide pipe 1
It is dynamic, to carry out the operation of merging intramedullary nail.
It is shown in figure, left support 6 and right support 7 are respectively by pedestal 8, and upright bar 9, flexible metal conduit 10, collet 11 form, wherein snake
Leather hose 10 is flexible hard flexible metal conduit, and shape can be kept fixed after bending.Pedestal 8 is disk, the lower end of upright bar 9 and pedestal
8 centers are fixedly connected, and the upper end of upright bar 9 is connected with the rear end of flexible metal conduit 10, and the front end of flexible metal conduit 10 is connected with collet 11,
Collet 11 is semi-circular, and the semi-ring radian of collet 11 and the periphery of guide pipe 1 match.The flexible metal conduit of left support 6 and right support 7
10 can be any curved in the wrong, allows collet 11 as guide pipe 1 moves left and right and moves up and down, and can rotate, adapts to guiding
The rotation direction of pipe 1.Collet 11 is not fixedly connected with guide pipe 1, only serves clamping action, keeps the correct position of guide pipe 1
It sets.
Application method of the invention is as follows:
Firstly, guide pipe 1 is placed on 12 distal end of femoral shaft, from exposure above femoral shaft 12, show stock on the screen
Backbone 12 moves left and right guide pipe 1, is overlapped two vertical direction locating rods 3, and make two vertical direction locating rods 3 in X
Projection under line is preset placing direction with the intramedullary nail in femoral shaft 12 and is overlapped, i.e., positions the vertical direction of guide pipe 1.
Then, from 12 side exposure of femoral shaft, show femoral shaft 12 on the screen, in two pieces of locating rods of vertical direction
In the plane of formation can any mobile guide pipe direction, be overlapped two parallel direction locating rods 5, and make two parallel sides
It presets placing direction with the intramedullary nail in femoral shaft 12 in the projection under x-ray to locating rod 5 to be overlapped, i.e., by the level of guide pipe 1
Direction positioning.The geometrical principle that can be only formed straight line according to two plane intersections, can determine guide pipe positioning at this time
Direction is the correct direction of intramedullary nail merging.
Using the left support 6 and right support 7 of guiding trestle to 1 clamping position of guide pipe, the correct position of guide pipe 1 is kept
It sets.
It is detached from roentgen radiation x and the merging operation of intramedullary nail guide pin 13 is carried out to femoral shaft 12 using guide pipe 1.
Claims (3)
1. a kind of intramedullary nail openings lead device, it is characterised in that: it includes that guide pipe (1), upper connecting rod (2), horizontal direction are fixed
Position bar (3), lateral connector bar (4), vertical direction locating rod (5), guiding pipe holder, the inner hole and intramedullary nail guide pin of guide pipe (1)
(13) outer diameter matches, and the inner hole of intramedullary nail guide pin (13) and guide pipe (1) is to be slidably matched, and upper connecting rod (2) and side connect
Extension bar (4) is respectively perpendicular the top and side for being connected to guide pipe (1), and upper connecting rod (2) and lateral connector bar (4) are vertically, horizontal
The rear end of direction locating rod (3) and vertical direction locating rod (5) the upper end phase with upper connecting rod (2) and lateral connector bar (4) respectively
Connection, horizontal direction locating rod (3) and vertical direction locating rod (5) centerline axis parallel with guide pipe (1) respectively, level side
It is located in front of guide pipe (1) to the front end of locating rod (3) and vertical direction locating rod (5), is oriented to pipe holder and guide pipe (1) phase
Connection；The horizontal direction locating rod (3) and vertical direction locating rod (5) are respectively two, two horizontal direction locating rods (3)
It is connected in parallel at the upper end and middle part of upper connecting rod (2), two vertical direction locating rods (5) are connected in parallel at lateral connector bar (4)
Upper end and middle part.
2. intramedullary nail openings lead device according to claim 1, it is characterised in that: the guiding pipe holder is by left support
(6) it is formed with right support (7), left support (6) and right support (7) are respectively by pedestal (8), upright bar (9), flexible metal conduit (10), collet
(11) it forms, pedestal (8) is disk, and the lower end of upright bar (9) is fixedly connected with base center, the upper end of upright bar (9) and flexible metal conduit
(10) rear end is connected, and the front end of flexible metal conduit (10) is connected with collet (11), and collet (11) is semi-circular, collet (11)
Semi-ring radian and the periphery of guide pipe (1) match.
3. intramedullary nail openings lead device according to claim 2, it is characterised in that: the left support of the guiding pipe holder
(6) and right support (7) is respectively two, the collet (11) of two left supports (6) and two right supports (7) respectively with guide pipe
(1) front and rear mutually clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310900.4A CN108433804B (en) | 2018-04-09 | 2018-04-09 | A kind of intramedullary nail openings lead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310900.4A CN108433804B (en) | 2018-04-09 | 2018-04-09 | A kind of intramedullary nail openings lead device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108433804A CN108433804A (en) | 2018-08-24 |
| CN108433804B true CN108433804B (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810310900.4A Active CN108433804B (en) | 2018-04-09 | 2018-04-09 | A kind of intramedullary nail openings lead device |
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| Country | Link |
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| CN (1) | CN108433804B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110811809B (en) * | 2019-12-02 | 2023-12-12 | 郭志伟 | Medical orthopedic channel screw imbedding and adjusting system |
| CN111012470B (en) * | 2019-12-27 | 2024-04-30 | 首都医科大学宣武医院 | Movable platform unicondylar replacement intramedullary rod insertion 3D positioning guide plate and manufacturing method thereof |
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| CN203447351U (en) * | 2013-07-22 | 2014-02-26 | 陈立军 | External guider for dynamic hip screw |
| CN204765891U (en) * | 2015-07-07 | 2015-11-18 | 创辉医疗器械江苏有限公司 | Guiding mechanism for bone surgery |
| CN105662573A (en) * | 2016-04-12 | 2016-06-15 | 兰州西脉记忆合金股份有限公司 | Memory alloy embracing type clavicle connector extractor |
| CN105748143A (en) * | 2016-04-29 | 2016-07-13 | 谢小波 | Femur neck guider |
| CN105997230A (en) * | 2016-05-03 | 2016-10-12 | 丽水市人民医院 | Orthopaedic screw extraction device capable of easy extraction of broken screw |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8728084B2 (en) * | 2011-06-27 | 2014-05-20 | Biomet Sports Medicine, Llc | Apparatus for repairing bone defects |
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2018
- 2018-04-09 CN CN201810310900.4A patent/CN108433804B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203447351U (en) * | 2013-07-22 | 2014-02-26 | 陈立军 | External guider for dynamic hip screw |
| CN204765891U (en) * | 2015-07-07 | 2015-11-18 | 创辉医疗器械江苏有限公司 | Guiding mechanism for bone surgery |
| CN105662573A (en) * | 2016-04-12 | 2016-06-15 | 兰州西脉记忆合金股份有限公司 | Memory alloy embracing type clavicle connector extractor |
| CN105748143A (en) * | 2016-04-29 | 2016-07-13 | 谢小波 | Femur neck guider |
| CN105997230A (en) * | 2016-05-03 | 2016-10-12 | 丽水市人民医院 | Orthopaedic screw extraction device capable of easy extraction of broken screw |
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| Publication number | Publication date |
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| CN108433804A (en) | 2018-08-24 |
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