CN108553146A - A kind of positioning device of knee cartilage micro fractures operation - Google Patents
A kind of positioning device of knee cartilage micro fractures operation Download PDFInfo
- Publication number
- CN108553146A CN108553146A CN201810460040.2A CN201810460040A CN108553146A CN 108553146 A CN108553146 A CN 108553146A CN 201810460040 A CN201810460040 A CN 201810460040A CN 108553146 A CN108553146 A CN 108553146A
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- China
- Prior art keywords
- locating
- rod
- screw rod
- locating pin
- guide groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- 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
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1764—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee
- A61B17/1767—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee for the patella
-
- 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
- A61B17/1604—Chisels; Rongeurs; Punches; Stamps
-
- 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
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/171—Guides or aligning means for drills, mills, pins or wires for external fixation
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to the positioning devices that medical instrument more particularly to a kind of knee cartilage micro fractures are performed the operation.A kind of positioning device of knee cartilage micro fractures operation, the device include positioning member, punching alignment members；Positioning member includes locating rod, the first locating pin and the second locating pin, punching alignment members are fixed at the side of locating rod upper end, the punching alignment members include square frame, horizontal location screw rod and vertically oriented screw rod, the apparatus structure is simple, the fixation of instrument may be implemented, the position of perforating needle can be adjusted simultaneously, carry out precisely punching positioning.
Description
Technical field
The present invention relates to the positioning devices that medical instrument more particularly to a kind of knee cartilage micro fractures are performed the operation.
Background technology
Micro fractures operation is usually used in repairing the technology of knee cartilage disease damage.Cartilage is damaged portion by doctor using joint lens
Displacement removes, and several holes are next bored on bone, makes bone marrow cell that can be condensed with blood, becomes smooth and firm reparation group
It knits, instead of the effect of cartilage.Microfrature method is simple, easy to operate, is a kind of peace for treating the damage of knee joint full-thickness cartilage
Full effective ways, either acute or chronic cartilage damage can obviously improve the function of joint of patient and mitigate pain symptom,
It improves the quality of living.Carry out micro fractures operation need instrument and equipment being accurately fixed in foot bone, and punching when
Time is also required to accurately be positioned.
Invention content
In order to solve the above technical problems, the positioning that the purpose of the present invention is performed the operation by a kind of knee cartilage micro fractures
Device, the apparatus structure is simple, the fixation of instrument may be implemented, while can adjust the position of perforating needle, is precisely punched
Positioning.
In order to achieve the above purpose, present invention employs technical solutions below：
A kind of positioning device of knee cartilage micro fractures operation, the device include positioning member, punching alignment members；Positioning member
Including locating rod, the first locating pin and the second locating pin, the first guide groove is provided in the middle part of the locating rod, first is oriented to
Locking device, first locating pin and the second locating pin is equipped on slot to be vertically arranged with locating rod and pass through locking device
It is fixed at two surfaces of locating rod；Punching alignment members are fixed at the side of locating rod upper end, and described beats
Hole alignment members include square frame, horizontal location screw rod and vertically oriented screw rod, horizontal location screw rod and vertically oriented screw rod
T-shaped setting is provided with the first ball-and-socket, inside the first ball-and-socket in the T-type tie point of horizontal location screw rod and vertically oriented screw rod
It is provided with the first bulb, radially the first perforation of setting of the first bulb, and the both sides of square frame and top are provided with second and lead
To slot, horizontal screw bolt is erected in the second guide groove of the both sides of square frame, and vertically oriented screw rod is erected at square frame
In second guide groove at top, horizontal screw bolt and vertically oriented screw rod are locked in the outside of the second guide groove setting locking nut；
The top of the locating rod is provided with the second ball-and-socket, and the center of circle of the second ball-and-socket is less than the center of circle of the first ball-and-socket, in the second ball-and-socket
Portion is provided with the second bulb, and the second bulb is radially provided with the second perforation, and guide rod, guide rod axis are provided in the second perforation
To setting pilot hole.
As a further improvement, two surfaces of the locating rod are uniformly arranged a plurality of locating slot respectively, described
The side of one locating pin and the second locating pin positions respectively to be arranged on a locating slot.
As a further improvement, the locking device includes tie down screw and lock nut, tie down screw is in locating pin
Side be provided with latch, be provided with locking slot on latch, the side point of first locating pin and the second locating pin
It Suo Jin not be arranged on a locking slot, tie down screw is mutually screwed with lock nut across the first locating slot and connect.
Handle is turned as a further improvement, being provided on the lock nut.
As a further improvement, the both sides of the horizontal location screw rod and vertically oriented screw rod are respectively arranged with section,
Scale is provided on section.
As a further improvement, the locking nut excircle side wall is provided with tread plate.
As a further improvement, connecting plate is arranged in the bottom of the square frame, connecting plate is bonded one of locating rod
Side, and on the securing lever by screw fixed setting.
The present invention entirely can be located in human body foot bone by instrument due to the adoption of the above technical solution, by positioning member
On, it can be punched into accurate with positional punch needle by punching alignment members.Apparatus of the present invention are simple in structure, easy to implement, can be with
The risk of operation is effectively reduced, and reduces the expense of operation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention.
Fig. 2 is positioning member, punches the structural schematic diagram of alignment members.
Fig. 3 is the structural schematic diagram of positioning member.
Fig. 4 is the structural schematic diagram for punching alignment members.
Specific implementation mode
The specific implementation mode of the present invention is made a detailed explanation below in conjunction with the accompanying drawings.
A kind of medical instrument for the operation of knee cartilage micro fractures as shown in Figure 1 and Figure 2, the medical instrument include fixed
Position component 1, punching alignment members 2, perforating needle 3 and electric drill 4.
As shown in figure 3, positioning member 1 includes locating rod 11, the first locating pin 12 and the second locating pin 13, the positioning
The middle part of bar 11 is provided with the first guide groove 14, and locking device 15, first locating pin are equipped on the first guide groove 14
12 and second locating pin 13 be vertically arranged with locating rod 11 and be fixed at two tables of locating rod 11 by locking device 15
Face.Punching alignment members 2 are fixed at the side of 11 upper end of locating rod.
As shown in figure 4, the punching alignment members 2 include square frame 21, horizontal location screw rod 22 and vertically oriented
Connecting plate 30 is arranged in the bottom of screw rod 23, square frame 21, and connecting plate 30 is bonded a side of locating rod 11, and passes through screw
It is fixed in locating rod 11.23 T-shaped setting of horizontal location screw rod 22 and vertically oriented screw rod, in horizontal location screw rod 22
The T-type tie point of vertically oriented screw rod 23 is provided with the first ball-and-socket 24, the first ball-and-socket 24 is internally provided with the first bulb 25, the
Radial the first perforation 26 of setting of one bulb 25, and the both sides of square frame 21 and top are provided with the second guide groove 27, it is horizontal
Positioning screw 22 is erected in the second guide groove 27 of the both sides of square frame 21, and vertically oriented screw rod 23 is erected at square frame
In second guide groove 27 at 21 top, horizontal location screw rod 22 and vertically oriented screw rod 23 are set in the outside of the second guide groove 27
Set the locking of locking nut 28.The top of the locating rod 11 is provided with the second ball-and-socket 16, and the center of circle of the second ball-and-socket 16 is less than the
The center of circle of one ball-and-socket 24, the second ball-and-socket 16 are internally provided with the second bulb 17, and the second bulb 17 is radial to be provided with the second perforation 18,
Guide rod 19, the axial setting pilot hole 20 of guide rod 19 are provided in the second perforation 18.The perforating needle 3 is worn across first
Hole 26 and pilot hole 20 are arranged, the electric drill 4 described in the end connection of perforating needle 3.
As shown in figure 3, two surfaces of the locating rod 11 are uniformly arranged a plurality of locating slot 10 respectively, described first
The side of locating pin 12 and the second locating pin 13 positions respectively to be arranged on a locating slot 10.Locking device 15 includes locking screw
Bar 141 and lock nut 142, tie down screw 141 are provided with latch 143 in the side of locating pin, are provided on latch 143
The side of locking slot 144, first locating pin 12 and the second locating pin 13 is locked respectively to be arranged in a locking slot 144
On, tie down screw 141 is screwed with 142 phase of lock nut across the first guide groove 14 and is connect.It is provided with and turns on lock nut 142
Handle 145.
As shown in figure 4, the both sides of horizontal location screw rod 22 and vertically oriented screw rod 23 are respectively arranged with section 29, in section
Scale is provided on 29.28 excircle side wall of locking nut is provided with tread plate.
Claims (7)
1. a kind of positioning device of knee cartilage micro fractures operation, which is characterized in that the device includes positioning member（1）And punching
Alignment members（2）；Positioning member（1）Including locating rod（11）, the first locating pin（12）With the second locating pin（13）, described determines
Position bar（11）Middle part be provided with the first guide groove（14）, the first guide groove（14）On be equipped with locking device（15）, described
First locating pin（12）With the second locating pin（13）With locating rod（11）It is vertically arranged and passes through locking device（15）Fixed setting
In locating rod（11）Two surfaces；Punch alignment members（2）It is fixed at locating rod（11）The side of upper end, it is described
Punch alignment members（2）Including square frame（21）, horizontal location screw rod（22）With vertically oriented screw rod（23）, horizontal location spiral shell
Bar（22）With vertically oriented screw rod（23）T-shaped setting, in horizontal location screw rod（22）With vertically oriented screw rod（23）T-type connect
Contact is provided with the first ball-and-socket（24）, the first ball-and-socket（24）It is internally provided with the first bulb（25）, the first bulb（25）Radial direction is set
Set the first perforation（26）, and in square frame（21）Both sides and top be provided with the second guide groove（27）, horizontal location screw rod
（22）It is erected at square frame（21）Both sides the second guide groove（27）It is interior, vertically oriented screw rod（23）It is erected at square frame
（21）Top the second guide groove（27）It is interior, horizontal location screw rod（22）With vertically oriented screw rod（23）In the second guide groove
（27）Outside be arranged locking nut（28）Locking；The locating rod（11）Top be provided with the second ball-and-socket（16）, second
Ball-and-socket（16）The center of circle be less than the first ball-and-socket（24）The center of circle, the second ball-and-socket（16）It is internally provided with the second bulb（17）, second
Bulb（17）Radial direction is provided with the second perforation（18）, in the second perforation（18）Inside it is provided with guide rod（19）, guide rod（19）Axis
To setting pilot hole（20）.
2. a kind of positioning device of knee cartilage micro fractures operation according to claim 1, which is characterized in that locating rod
（11）Two surfaces be uniformly arranged a plurality of locating slot respectively（10）, first locating pin（12）With the second locating pin（13）
Side position respectively be arranged in a locating slot（10）On.
3. a kind of positioning device of knee cartilage micro fractures operation according to claim 1, which is characterized in that locking device
（15）Including tie down screw（141）And lock nut（142）, tie down screw（141）The side of locating pin is provided with latch
（143）, latch（143）On be provided with locking slot（144）, first locating pin（12）With the second locating pin（13）One
Side is locked respectively to be arranged in a locking slot（144）On, tie down screw（141）Across the first guide groove（14）With lock nut
（142）Mutually screw connection.
4. a kind of positioning device of knee cartilage micro fractures operation according to claim 3, which is characterized in that lock nut
（142）On be provided with and turn handle（145）.
5. a kind of positioning device of knee cartilage micro fractures operation according to claim 1, which is characterized in that horizontal location
Screw rod（22）With vertically oriented screw rod（23）Both sides be respectively arranged with section（29）, in section（29）On be provided with scale.
6. a kind of positioning device of knee cartilage micro fractures operation according to claim 1, which is characterized in that locking nut
Excircle side wall is provided with tread plate.
7. a kind of positioning device of knee cartilage micro fractures operation according to claim 1, which is characterized in that square frame
（21）Bottom be arranged connecting plate（30）, connecting plate（30）It is bonded locating rod（11）A side, and by screw fixation set
It sets in locating rod（11）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460040.2A CN108553146A (en) | 2018-05-15 | 2018-05-15 | A kind of positioning device of knee cartilage micro fractures operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460040.2A CN108553146A (en) | 2018-05-15 | 2018-05-15 | A kind of positioning device of knee cartilage micro fractures operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108553146A true CN108553146A (en) | 2018-09-21 |
Family
ID=63538696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810460040.2A Withdrawn CN108553146A (en) | 2018-05-15 | 2018-05-15 | A kind of positioning device of knee cartilage micro fractures operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108553146A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003105704A1 (en) * | 2002-06-14 | 2003-12-24 | Smith & Nephew, Inc. | Device and methods for placing external fixation elements |
| CN2671510Y (en) * | 2004-01-29 | 2005-01-19 | 戚建勇 | Combined device for fixing intramedullary nail on human long bone of fracture |
| CN102292038A (en) * | 2009-01-20 | 2011-12-21 | 德普伊国际有限公司 | Orientation guide |
| CN203059909U (en) * | 2013-01-04 | 2013-07-17 | 浙江科惠医疗器械有限公司 | Three-dimensional positioning sighting device for orthopedic operations |
| US20140276815A1 (en) * | 2013-03-15 | 2014-09-18 | Nicholas Riccione | External Bone Fixation System |
| CN206434407U (en) * | 2016-11-09 | 2017-08-25 | 刘正杰 | A kind of joint eccentric aligning device for orthopedic surgery |
| US20170252069A1 (en) * | 2015-12-03 | 2017-09-07 | Globus Medical, Inc. | External fixator assembly |
-
2018
- 2018-05-15 CN CN201810460040.2A patent/CN108553146A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003105704A1 (en) * | 2002-06-14 | 2003-12-24 | Smith & Nephew, Inc. | Device and methods for placing external fixation elements |
| CN2671510Y (en) * | 2004-01-29 | 2005-01-19 | 戚建勇 | Combined device for fixing intramedullary nail on human long bone of fracture |
| CN102292038A (en) * | 2009-01-20 | 2011-12-21 | 德普伊国际有限公司 | Orientation guide |
| CN203059909U (en) * | 2013-01-04 | 2013-07-17 | 浙江科惠医疗器械有限公司 | Three-dimensional positioning sighting device for orthopedic operations |
| US20140276815A1 (en) * | 2013-03-15 | 2014-09-18 | Nicholas Riccione | External Bone Fixation System |
| US20170252069A1 (en) * | 2015-12-03 | 2017-09-07 | Globus Medical, Inc. | External fixator assembly |
| CN206434407U (en) * | 2016-11-09 | 2017-08-25 | 刘正杰 | A kind of joint eccentric aligning device for orthopedic surgery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180921 |
|
| WW01 | Invention patent application withdrawn after publication |