CN208081271U - A kind of femur guider of turnable drill bit - Google Patents
A kind of femur guider of turnable drill bit Download PDFInfo
- Publication number
- CN208081271U CN208081271U CN201721249261.2U CN201721249261U CN208081271U CN 208081271 U CN208081271 U CN 208081271U CN 201721249261 U CN201721249261 U CN 201721249261U CN 208081271 U CN208081271 U CN 208081271U
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- Prior art keywords
- drill bit
- washer
- adjusting knob
- shaft
- movable
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Abstract
The utility model discloses a kind of femur guider of turnable drill bit, including C-arm, grip part, pilot sleeve, locating ring and overturning drill bit, and the grip part and pilot sleeve are approximate with conventional cross ligament reconstructive locator structure；The C-arm includes positioning cusp, location graduation, mark line and positioning via, and positioning via is in semicircle shape；The overturning drill bit includes drill bit shaft, nut type adjusting knob, tape spool adjusting knob, movable blade, movable washer, fixed washer and fixed washer limiting section.The femur guider of drill bit may be reversed in the utility model, clearly positions the visual field, effectively increases location efficiency, and it is easy to use to overturn drill bit, improves procedure efficiency；Use can be sterilized repeatedly, mitigate patient medical cost.
Description
Technical field
The utility model is related to technical field of medical equipment, and in particular to a kind of femur guider of turnable drill bit.
Background technology
There are two ligamentaum cruciatums in knee joint.Anterior cruciate ligament is attached to shin bone area intercondylaris anterior, and outer top, terminates in after oblique
Rear part of condylus lateralis femoris inner face plays the role of preventing shin bone Forward.Posterior cruciate ligament of knee is located at the rear inside of anterior cruciate ligament, compared with
Anterior cruciate ligament is short, rises from the rear end of shin bone area intercondylaris posterior and lateral meniscus, and upper interior side, invests outside condylus medialis femoris diagonally forward
The preceding part in face has the function of moving after limiting shin bone.
Cross ligament damage is relatively common in Athletic Injuries In The Knee, the raw joint instability of fecund after damage, ligament pine
It relaxes, the diseases of knee joint such as secondary cartilage damage regression and traumatic arthritis.Therefore the anterior cruciate ligament for rebuilding damage, to restore
Kneed stabilization and function, are increasingly paid attention to by clinician.With the development of medical technology, before being rebuild under arthroscope
Ligamentaum cruciatum has become the important method that treatment ACL (i.e. anterior cruciate ligament) is damaged.But Healing in Anterior Cruciate Ligament Reconstruction is unsuccessfully overhauled
Case it is also commonplace, reason be mainly ACL rebuild in osseous tunnel positioning it is incorrect.Traditional localization method mainly with
The positioning in tunnel is carried out by means of experience of the clinician under arthroscope.But femoral bone tunnel is created in arthrocsopic surgery, it is closing
When being positioned in section mirror Minimally Invasive Surgery and knee joint narrow space, locator surgical field of view used at present is unintelligible, positioning is imitated
Rate relatively low (position inaccurate) and be inconvenient to observe drill into, and it is relatively complicated in boring procedure, procedure efficiency can be caused
Decline, influence success rate of operation, increases the medical treatment cost of patient if being repeated several times.
Utility model content
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, a kind of turnable drill bit is provided
Femur guider, clearly positions the visual field, effectively increases location efficiency, and it is easy to use to overturn drill bit, improves procedure efficiency；
Use can be sterilized repeatedly, mitigate patient medical cost.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions：
A kind of femur guider of turnable drill bit, including C-arm, grip part, pilot sleeve, locating ring and overturning are bored
Head；
The C-arm includes positioning cusp, location graduation, mark line and positioning via, and positioning via is in semicircle shape；
The overturning drill bit include drill bit shaft, nut type adjusting knob, tape spool adjusting knob, movable blade, movable washer,
Fixed washer and fixed washer limiting section；
The grip part and pilot sleeve are approximate with conventional cross ligament reconstructive locator structure, and grip part includes：Limit
Knob, locating slot, limit button and pilot sleeve installation position.
Preferably, the fixed washer and movable washer may be contained within inside drill bit shaft, and fixed washer passes through drill bit shaft
The limited screw hole of limited screw via and fixed gear on piece with it is fixed, and movable washer is opposite to make fixed washer omit
It is long, pass through the rectangular limit shaft via and nut on gear adjustment hole and movable washer with drill bit shaft using tape spool adjusting knob
Type adjusting knob is fixed；
The drill bit shaft is provided with the graduation mark that can determine counterbore depth with locating ring cooperation in reversed reaming, bores
There is blade activity bit with head rod；
The activity washer top is provided with function digit a and movable axis a, and rectangular limit shaft via, fixed gear is arranged in bottom end
On piece is provided with function digit b and movable axis b, and movable axis a and movable axis b are respectively arranged in blade activity bit a and blade activity bit b
Between；
The nut type adjusting knob is provided with operative position a, operating shaft and screw-type adjusting knob screw hole；The tape spool is adjusted
Button is fixedly installed operative position b, rectangular limit shaft and tape spool adjusting knob threaded portion, and nut type adjusting knob and tape spool adjusting knob are fixed
After can the axial activity in rectangular limit shaft via.
Preferably, the overturning drill bit is metal material.
The utility model has the beneficial effects that：The femur guider of drill bit may be reversed in the utility model, clearly positions the visual field,
Location efficiency is effectively increased, and it is easy to use to overturn drill bit, improves procedure efficiency；Use can be sterilized repeatedly, mitigate patient
Medical treatment cost.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram of the femur guider of turnable drill bit described in the utility model；
Fig. 2 is the structural schematic diagram of C-arm described in the utility model；
Fig. 3 is the structural schematic diagram of grip part described in the utility model；
Fig. 4 is the structural schematic diagram of overturning drill bit described in the utility model；
Fig. 5 is the structural schematic diagram of drill bit shaft described in the utility model；
Fig. 6 is the structural schematic diagram of nut type adjusting knob described in the utility model；
Fig. 7 is the structural schematic diagram of tape spool adjusting knob described in the utility model；
Fig. 8 is the structural schematic diagram of movable blade described in the utility model；
Fig. 9 is the structural schematic diagram of active blade described in the utility model；
Figure 10 is the structural schematic diagram of fixed catch described in the utility model；
In attached drawing, parts list represented by the reference numerals are as follows：
1-C arm, 11- position cusp, 12- location graduations, 13- mark lines, 14- positioning vias；The grip parts 2-, 21- limits
Position knob, 22- locating slots, 23- limit buttons, 24- pilot sleeves installation position；3- pilot sleeves；4- locating rings；5- overturnings are bored
Head, 51- drill bit shafts, 511- blade activity bits, 512- limited screw vias, 513- gear adjustment holes, 514- graduation marks；52-
Nut type adjusting knob, 521- operative positions a, 522- operating shaft, 523- screw-type adjusting knob screw holes；53- tape spool adjusting knobs, 531-
The rectangular limit shafts of operative position b, 532-, 533- tape spool adjusting knobs threaded portion；The movable blades of 54-, 541- blade activity bit a,
542- blade activity bits b；55- activity washers, the rectangular limit shaft vias of 551- function digits a, 552- movable axis a, 553-；56- is solid
Determine washer, 561- function digits b, 562- movable axis b, 563- limited screw hole；57 fix washer limiting section.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -10, the utility model is a kind of femur guider of turnable drill bit, including C-arm 1, is held
Hold portion 2, pilot sleeve 3, locating ring 4 and overturning drill bit 5；
The C-arm 1 includes positioning cusp 11, location graduation 12, mark line 13 and positioning via 14, and positioning via 14 is in
Semicircle shape；
The overturning drill bit 5 include drill bit shaft 51, nut type adjusting knob 52, tape spool adjusting knob 53, movable blade 54,
Movable washer 55, fixed washer 56 and fixed washer limiting section 57；
The grip part 2 and pilot sleeve 3 are approximate with conventional cross ligament reconstructive locator structure, and grip part includes：Limit
Position knob 21, locating slot 22, limit button 23 and pilot sleeve installation position 24.
Wherein, fixed washer 56 and movable washer 55 may be contained within inside drill bit shaft 51, and fixed washer 56 passes through drill bit
The limited screw hole 563 on limited screw via 512 and fixed washer 56 on shaft 51 is fixed, and movable washer 55 is opposite
It makes fixed washer 56 slightly longer, gear adjustment hole 513 and movable washer 55 on drill bit shaft 51 is passed through using tape spool adjusting knob 53
On rectangular limit shaft via 532 and nut type adjusting knob 52 fix；
The drill bit shaft 51 is provided with the graduation mark that can determine counterbore depth with the cooperation of locating ring 4 in reversed reaming
514, there is blade activity bit 511 on drill bit shaft 51；
55 top of the activity washer is provided with function digit a551 and movable axis a552, and rectangular limit shaft via is arranged in bottom end
553, it fixes on washer 56 and is provided with function digit b561 and movable axis b562, movable axis a552 and movable axis b562 are respectively arranged in
Between blade activity bit a541 and blade activity bit b542；
The nut type adjusting knob 52 is provided with operative position a521, operating shaft 522 and screw-type adjusting knob screw hole 523；
The tape spool adjusting knob 53 is fixedly installed operative position b531, rectangular limit shaft 532 and tape spool adjusting knob threaded portion 533, nut
Type adjusting knob 52 and tape spool adjusting knob 53 can the axial activities in rectangular limit shaft via 553 after fixing.
Preferably, the overturning drill bit 5 is metal material.
One of the present embodiment has particular application as：After angle assembles on demand, C-arm 1 is determined for guider when use
Position end is inserted into articular cavity and is positioned, and C-arm is made of positioning cusp 11, location graduation 12, mark line 13 and positioning via 14,
It is in semicircle shape to position via 14, solid using positioning cusp 11 after determining tunnel exit by mark line 13 and positioning via 14
It is fixed, convenient while realizing positioning action drilling process can be observed, the clear visual field, mark line 13 can and position
Via 14, which coordinates, preferably to be positioned, and procedure efficiency is improved；It includes drill bit shaft 51, nut type adjusting knob to overturn drill bit 5
52, tape spool adjusting knob 53, movable blade 54, movable washer 55, fixed washer 56, fixed washer limiting section 57, by guide sleeve
Cylinder 3 is inserted into pilot sleeve installation positions 24 and to behind bone face, is drilled using overturning drill bit 5, at this time movable blade 54 with
Drill bit shaft 51 be in 180 °, when tape spool adjusting knob 53 lifts, can along 51 axis direction pulling activity washer 55 of drill bit shaft from
And movable blade 54 is driven to be overturn, after the completion of overturning, tape spool adjusting knob 53 is pressed, then movable washer 55 passes through drill bit shaft
Gear adjustment hole 513 on body 51 is limited, and drilling operation is facilitated；After the completion of drilling, tape spool adjusting knob 53 is lifted, to overturning
The lifting of 5 caudal directions of drill bit makes it with drill bit shaft 51 in 90 °, presses adjusting knob progress to make movable blade 54 overturn
Limit, the blade after adjusting is flushed with tunnel exit, adjusting locating ring 4 contacted with 3 bottom plane of pilot sleeve after start into
The reversed ream operation of row, pay attention in operating process at observation 3 bottom plane of pilot sleeve the location graduation 12 of drill bit shaft 51 with
Distance between locating ring 4, so that it is determined that whether counterbore depth reaches requirement.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific implementation mode that the utility model is only described yet.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, to enable skilled artisan to be best understood by and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (3)
1. a kind of femur guider of turnable drill bit, including C-arm, grip part, pilot sleeve, locating ring and overturning drill bit,
It is characterized in that：
The C-arm includes positioning cusp, location graduation, mark line and positioning via, and positioning via is in semicircle shape；
The overturning drill bit includes drill bit shaft, nut type adjusting knob, tape spool adjusting knob, movable blade, movable washer, fixation
Washer and fixed washer limiting section；
The grip part and pilot sleeve are approximate with conventional cross ligament reconstructive locator structure, and grip part includes：Limit knob,
Locating slot, limit button and pilot sleeve installation position.
2. a kind of femur guider of turnable drill bit as described in claim 1, it is characterised in that：
The fixed washer and movable washer may be contained within inside drill bit shaft, and fixed washer passes through the limit spiral shell with drill bit shaft
The limited screw hole of silk via and fixed gear on piece is fixed, and movable washer is opposite to make fixed washer slightly longer, uses tape spool tune
Section button passes through the rectangular limit shaft via on gear adjustment hole and movable washer with drill bit shaft to be fixed with nut type adjusting knob；
The drill bit shaft is provided with the graduation mark that can determine counterbore depth with locating ring cooperation in reversed reaming, drill bit shaft
There is blade activity bit with it；
The activity washer top is provided with function digit a and movable axis a, and rectangular limit shaft via, fixed gear on piece is arranged in bottom end
Be provided with function digit b and movable axis b, movable axis a and movable axis b be respectively arranged in blade activity bit a and blade activity bit b it
Between；
The nut type adjusting knob is provided with operative position a, operating shaft and screw-type adjusting knob screw hole；The tape spool adjusting knob is solid
Surely it is provided with operative position b, rectangular limit shaft and tape spool adjusting knob threaded portion, nut type adjusting knob and tape spool adjusting knob can after fixing
With the axial activity in rectangular limit shaft via.
3. a kind of femur guider of turnable drill bit as described in claim 1, it is characterised in that：The overturning drill bit is
Metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249261.2U CN208081271U (en) | 2017-09-27 | 2017-09-27 | A kind of femur guider of turnable drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249261.2U CN208081271U (en) | 2017-09-27 | 2017-09-27 | A kind of femur guider of turnable drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208081271U true CN208081271U (en) | 2018-11-13 |
Family
ID=64067579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721249261.2U Expired - Fee Related CN208081271U (en) | 2017-09-27 | 2017-09-27 | A kind of femur guider of turnable drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208081271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11986193B2 (en) | 2019-04-25 | 2024-05-21 | Integrity Medical Services Inc. | System and method for creating graft tunnels in bone |
-
2017
- 2017-09-27 CN CN201721249261.2U patent/CN208081271U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11986193B2 (en) | 2019-04-25 | 2024-05-21 | Integrity Medical Services Inc. | System and method for creating graft tunnels in bone |
| US12023049B2 (en) | 2019-04-25 | 2024-07-02 | Integrity Medical Services Inc. | System and method for creating graft tunnels in bone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20190927 |