CN205458897U - External location drilling guider - Google Patents
External location drilling guider Download PDFInfo
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- CN205458897U CN205458897U CN201620263232.0U CN201620263232U CN205458897U CN 205458897 U CN205458897 U CN 205458897U CN 201620263232 U CN201620263232 U CN 201620263232U CN 205458897 U CN205458897 U CN 205458897U
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Abstract
The utility model provides an external location drilling guider, mainly used adjunctie therapy femur head necrosis, including be used for fixing device the mount, set up in being used for the space to quantify the positioner of location and being used for the drilling passageway of direction drilling on the mount, positioner is including the vertical positioning mechanism that is used for adjusting the horizontal location mechanism of horizontal direction angle and is used for adjusting vertical orientation angle, calculate good back to specific spatial position of focus before the art, directly punch after adjusting positioner's scale and angle, quantize high, the angle and the degree of depth of punching to the messenger punches more accurately, the utility model discloses can quantify location, simple structure, convenient to use to the position that the cystic disease becomes.
Description
Technical field
This utility model relates to medical auxiliary apparatus device, particularly to a kind of external location drilling guide device.
Background technology
Femur head necrosis is a kind of common orthopaedic disease, is owing to femoral head is injured rear or femoral head self pathological changes is made
Become, produce cystic lesion in femoral head, cause lesion region internal blood not circulate, thus occur lesion region internal downright bad
Phenomenon.If femur head necrosis can not be treated timely, collapse of the femoral head, hip joint space will be occurred to narrow, seriously
Also result in osteoarthritis, hip joint function obstacle, paralysis of even disabling.
Early treatment's method of femur head necrosis is usually and holes focus with Kirschner wire, to get through cystic lesion district
Territory, in making bone, blood vessel circulates in lesion region, or focal cleaning, bone grafting reach therapeutic purposes.At present due to operating room with
CT Room separates, it is common that after lesions position is scanned in CT Room location, then to operating room according to the estimation of doctor and warp
Testing and under fluoroscopy focus is carried out touch system hole, owing to C-arm perspective is two-dimensional plane, there is a certain degree of error in punching,
Precision is the highest, easily trains off, and has a strong impact on therapeutic effect.
Chinese utility model patent (patent No. 201420228531.1) discloses under a kind of femur head necrosis hip arthroscopy
Boring, pressure reduction guider and therapy equipment, the hip arthroscopy sleeve including handle, can being separately mounted on handle and femoral head bore
Hole sleeve, Drilling sleeve is arranged on handle by location sliding position, and location slide unit can be sliding along handle
Dynamic, to adjust Drilling sleeve and the cross bearing point pointed by hip arthroscopy barrel forward end, this device can be accurate
The lesions position of location, ground femur head necrosis.But this device is by installing scanning mirror in hip arthroscopy sleeve, directly
Connect observation lesions position and realize location, but owing to hip arthroscopy visual area itself exists blind area, especially at hip joint rear,
Shank is extremely difficult to.Femur head necrosis focus often articular surface is complete normal, and scanning mirror cannot position.Furthermore scanning
Sight glass can only observe the position of a dimension, it is impossible to enough determines the punching degree of depth, it is desirable to determines the particular location in its space, needs
To observe several simultaneously, then to be calculated, lack practicality during actual operation, hip arthroscopy is for setting
Standby, the requirement of technical operation personnel is higher, increases operation cost and operating time, too increases the financial burden of sufferer.
Therefore it provides one can carry out space precise positioning to femur head necrosis focus region, and simple in construction, make
It is the most necessary with convenient device.
Utility model content
For solving the problems referred to above, this utility model provides a kind of external location drilling guide device, is mainly used in auxiliary
Treating femur head necrosis, the position of cystic lesion can be carried out quantifying to position by it, and simple in construction is easy to use.
This utility model adopts the following technical scheme that for solving the problems referred to above
This utility model include the fixed mount for fixing device, be arranged on described fixed mount fixed for space quantization
The positioner of position and for the drilled tunnel of pilot hole.
Further, described positioner includes the level locating mechanism for regulating horizontal direction angle and for adjusting
The vertically oriented mechanism of joint vertical direction angle.
As further improvement of the utility model, described level locating mechanism and described vertically oriented mechanism be not the most former
Point.
As another kind of improved procedure of the present utility model, described level locating mechanism and described vertically oriented mechanism are the most former
Point.
Further, described level locating mechanism includes that level angle graduated disc, one end are articulated with described level angle and carve
The horizontal location bar at scale initial point position and for limiting the Horizontal limiting card of described horizontal location bar position；Described vertically oriented
Mechanism includes being arranged at the vertical angles graduated disc of the described horizontal location bar other end, one end is articulated with described vertical angles scale
Dish initial point position vertically oriented bar and for limiting the vertical limiting card of described vertically oriented bar position.
As another kind of improved procedure of the present utility model, described level locating mechanism includes horizontal location dish, horizontal angle
Spend graduated disc and for limiting the Horizontal limiting card of described horizontal location dish position；Described vertically oriented mechanism includes vertically oriented
Bar, vertical angles graduated disc and for limiting the vertical limiting card of described vertically oriented bar；Described horizontal location dish and horizontal angle
Spend at the initial point of graduated disc hinged；Described vertical angles graduated disc is arranged at the outward flange of described horizontal location dish；Described vertically
One end of location bar (6) is articulated with the initial point position of described horizontal location dish.
Further, described Horizontal limiting card includes the first arc-shaped magnet being embedded on described level angle graduated disc
Bar, to be arranged on described horizontal location bar or horizontal location dish first corresponding with described first arc-shaped magnet bar position non magnetic
Fixed block and be detachably arranged at the first magnetic piece on described first non magnetic fixed block；Described first arc-shaped magnet bar and institute
State the first magnetic piece magnetic pole contrary；Described vertical limiting card includes the second arc-shaped magnet being embedded on described vertical angles graduated disc
Bar, it is arranged on described vertically oriented bar the second non magnetic fixed block corresponding with described second arc-shaped magnet bar position and can
Dismounting is arranged at the second magnetic piece on described second non magnetic fixed block；Described second arc-shaped magnet bar and described second magnetic piece magnetic
The most contrary.
Further, during described drilled tunnel is arranged at described vertically oriented bar.
Further, described fixed mount it is detachably provided with two fixing bars and is opened on each described fixing bar
More than one draw-in groove；Described fixed mount is fixed on patient legs.
Further, described horizontal location bar and loop bar structure that vertically oriented bar is adjustable in length.
This utility model has the following technical effect that
(1) this utility model is provided with the positioner of space quantization location, the concrete space bit to focus in the preoperative
Put after calculating, directly punch after adjusting the scale of positioner and angle, height, angle and the degree of depth of punching is entered
Row quantifies, so that punching is more accurate.
(2) this utility model arranges drilled tunnel, the boring direction of Kirschner wire can be played guide effect, prevents from beating
Partially.
(3) level locating mechanism and vertically oriented organizational separation are arranged by this utility model, facilitate horizontal direction with vertical
The adjustment in direction.
(4) this utility model arranges Horizontal limiting card and vertical limiting card, can be to horizontal direction after regulation angle
Carry out spacing with vertical direction, prevent from rotating, affect degree of accuracy.
(5) this utility model horizontal location bar and loop bar structure that vertically oriented bar is adjustable in length, by length
Regulation, to shorten the punching degree of depth to greatest extent, alleviate patient suffering.
(6) Horizontal limiting card and vertical limiting card carry out spacing by Magnet magneticaction, and simple in construction is easy to use.
(7) this utility model horizontal location bar and loop bar structure that vertically oriented bar is adjustable in length, can be according to trouble
Fat or thin or the lesions position of person carries out suitable regulation.
Accompanying drawing explanation
Accompanying drawing 1 is this utility model embodiment 1 structural representation；
Accompanying drawing 2 is A portion partial enlarged drawing in accompanying drawing 1；
Accompanying drawing 3 is B portion partial enlarged drawing in accompanying drawing 1；
Accompanying drawing 4 is this utility model embodiment 2 structural representation；
Accompanying drawing 5 is C portion partial enlarged drawing in accompanying drawing 2；
Accompanying drawing 6 is D portion partial enlarged drawing in accompanying drawing 2；
Accompanying drawing 7 is E portion partial enlarged drawing in accompanying drawing 2.
In accompanying drawing: 1 fixed mount；1-1 fixes bar；1-2 draw-in groove；2 drilled tunnels；3 horizontal location bars；4 level angle scales
Dish；5 Horizontal limiting cards；5-1 the first arc-shaped magnet bar；The non magnetic fixed block of 5-2 first；5-3 the first magnetic piece；6 vertically oriented bars；
7 vertical angles graduated discs；8 vertical limiting cards；8-1 the second arc-shaped magnet bar；The non magnetic fixed block of 8-2 second；8-3 the second magnetic
Block；9 horizontal location dishes.
Detailed description of the invention
Embodiment 1:
As Figure 1-3, the present embodiment includes the fixed mount 1 for fixing device, the use being arranged on described fixed mount 1
Positioner in space quantization location and the drilled tunnel 2 for pilot hole；Can concrete to focus in the preoperative
After locus calculates, directly punch after adjusting the scale of positioner and angle, to the height of punching, angle and
The degree of depth quantifies, so that punching is more accurate.Drilled tunnel 2 is set, the boring direction of Kirschner wire can be played guiding
Effect, prevents from training off.
Described positioner includes the level locating mechanism for regulating horizontal direction angle and for regulating vertical side
To the vertically oriented mechanism of angle, level locating mechanism and vertically oriented organizational separation are arranged, facilitate horizontal direction with vertical
The adjustment in direction.
Described level locating mechanism and described vertically oriented mechanism are not total to initial point.
Described level locating mechanism includes that level angle graduated disc 4, one end are articulated with described level angle graduated disc 4 initial point
The horizontal location bar 3 at position and for limiting the Horizontal limiting card 5 of described horizontal location bar 3 position；Described vertically oriented mechanism
Including being arranged at the vertical angles graduated disc 7 of described horizontal location bar 3 other end, one end is articulated with described vertical angles graduated disc
7 initial point positions vertically oriented bar 6 and for limiting the vertical limiting card 8 of described vertically oriented bar 6 position；Level limit is set
Position card 5 and vertical limiting card 8, can carry out spacing to horizontal direction and vertical direction after regulation angle, prevent from rotating, shadow
Ring degree of accuracy.
Described Horizontal limiting card 5 includes the first arc-shaped magnet bar 5-1 being embedded on described level angle graduated disc 4, sets
Be placed on described horizontal location bar 3 the first non magnetic fixed block 5-2 corresponding with described first arc-shaped magnet bar 5-1 position and
Detachably it is arranged at the first magnetic piece 5-3 on described first non magnetic fixed block 5-2；Described first arc-shaped magnet bar 5-1 and institute
State the first magnetic piece 5-3 magnetic pole contrary；Described vertical limiting card 8 includes the second arc being embedded on described vertical angles graduated disc 7
Shape magnet strip 8-1, it is arranged on described vertically oriented bar 6 second non-magnetic corresponding with described second arc-shaped magnet bar 8-1 position
Property fixed block 8-2 and be detachably arranged at the second magnetic piece 8-3 on described second non magnetic fixed block 8-2；Described second arc
Shape magnet strip 8-1 and described second magnetic piece 8-3 magnetic pole are contrary；Horizontal limiting card 5 and vertical limiting card 8 are by Magnet magneticaction
Carry out spacing, simple in construction, easy to use.
Described drilled tunnel 2 is arranged in described vertically oriented bar 6.
It is detachably provided with two fixing bar 1-1 on described fixed mount 1 and is opened on each described fixing bar 1-1
Four draw-in groove 1-2；Described fixed mount 1 is fixed on patient legs；Described fixed mount 1 is the sleeve structure of adjustable in length, two
Described fixing bar 1-1 is respectively provided with two parts up and down of described fixed mount 1, to facilitate the difference in height of two fixing bar 1-1 of regulation,
Two mutual settings at a right angle of fixing bar 1-1.
Described horizontal location bar 3 and the loop bar structure that vertically oriented bar 6 is adjustable in length, can fat or thin according to patient
Or lesions position carries out suitable regulation.
Work process of the present utility model is as follows:
First two are used for labelling location Kirschner wire fixation in patient legs's correct position, in CT Room, then utilize instrument
Device calculates and determines the focus space coordinates relative to two labelling Kirschner wires, then arrives operation indoor and carries out the installation of the present embodiment
Fixing, bar 1-1 is fixed in dismounting side, is inserted in two side bayonet slot 1-2 by two labelling Kirschner wires, then installs fixing bar 1-
1, according to the space coordinates of focus, adjust horizontal location bar 3 and the length of vertically oriented bar 6, according to level angle graduated disc 4
Relation between the position of initial point and labelling Kirschner wire redefines the focus space relative to the initial point of level angle graduated disc 4
Coordinate, then adjusts the angle of horizontal location bar 3, and eye-level angle dial 4, after determining the position of horizontal location bar 3
First magnetic piece 5-3 is positioned on the first non magnetic fixed block 5-2, utilizes the first magnetic piece 5-3 and described first arc-shaped magnet bar
The magneticaction of 5-1 carries out spacing, adjusts the angle of vertically oriented bar 6, observes vertical angles graduated disc 7, and it is the most fixed to determine
After the angle of position bar 6, second magnetic piece 8-3 is positioned on the second non magnetic fixed block 8-2, utilizes the second magnetic piece 8-3 with described
The magneticaction of the second arc-shaped magnet bar 8-1 carries out spacing, and the position of drilled tunnel 2 determines, according to the punching degree of depth calculated
Carry out holing with Kirschner wire and perforating device.
Embodiment 2:
As shown in figs. 4-7, the present embodiment includes the fixed mount 1 for fixing device, the use being arranged on described fixed mount 1
Positioner in space quantization location and the drilled tunnel 2 for pilot hole；Can concrete to focus in the preoperative
After locus calculates, directly punch after adjusting the scale of positioner and angle, to the height of punching, angle and
The degree of depth quantifies, so that punching is more accurate；Drilled tunnel 2 is set, the boring direction of Kirschner wire can be played guiding
Effect, prevents from training off.
Described positioner includes the level locating mechanism for regulating horizontal direction angle and for regulating vertical side
To the vertically oriented mechanism of angle, level locating mechanism and vertically oriented organizational separation are arranged, facilitate horizontal direction with vertical
The adjustment in direction.
Described level locating mechanism and described vertically oriented mechanism initial point altogether.
Described level locating mechanism includes horizontal location dish 9, level angle graduated disc 4 and for limiting described horizontal location
Dish 9
The Horizontal limiting card 5 of position；Described vertically oriented mechanism includes vertically oriented bar 6, vertical angles graduated disc 7 and uses
In the vertical limiting card 8 limiting described vertically oriented bar 6；Cut with scissors at the initial point of described horizontal location dish 9 and level angle graduated disc 4
Connect；Described vertical angles graduated disc 7 is arranged at the outward flange of described horizontal location dish 9；One end of described vertically oriented bar 6 is hinged
Initial point position in described horizontal location dish 9；Horizontal limiting card 5 and vertical limiting card 8 are set, can be right after regulation angle
Horizontal direction and vertical direction carry out spacing, prevent from rotating, affect degree of accuracy.
Described Horizontal limiting card 5 includes the first arc-shaped magnet bar 5-1 being embedded on described level angle graduated disc 4, sets
Be placed on described horizontal location dish 9 the first non magnetic fixed block 5-2 corresponding with described first arc-shaped magnet bar 5-1 position and
Detachably it is arranged at the first magnetic piece 5-3 on described first non magnetic fixed block 5-2；Described first arc-shaped magnet bar 5-1 and institute
State the first magnetic piece 5-3 magnetic pole contrary；Described vertical limiting card 8 includes the second arc being embedded on described vertical angles graduated disc 7
Shape magnet strip 8-1, it is arranged on described vertically oriented bar 6 second non-magnetic corresponding with described second arc-shaped magnet bar 8-1 position
Property fixed block 8-2 and be detachably arranged at the second magnetic piece 8-3 on described second non magnetic fixed block 8-2；Described second arc
Shape magnet strip 8-1 and described second magnetic piece 8-3 magnetic pole are contrary, and Horizontal limiting card 5 and vertical limiting card 8 are by Magnet magneticaction
Carry out spacing, simple in construction, easy to use.
Fixing bar 1-1 and four draw-in grooves being opened on described fixing bar 1-1 it are detachably provided with on described fixed mount 1
1-2；Described fixed mount 1 is fixed on patient legs.
Work process of the present utility model is as follows:
First two are used for labelling location Kirschner wire fixation in patient legs's correct position, in CT Room, then utilize instrument
Device calculates and determines the focus space coordinates relative to two labelling Kirschner wires, then arrives operation indoor and carries out the installation of the present embodiment
Fixing, bar 1-1 is fixed in dismounting side, is inserted in two side bayonet slot 1-2 by two labelling Kirschner wires, then installs fixing bar 1-
1, according to the space coordinates of focus, according to the relation weight between initial point and the position of labelling Kirschner wire of level angle graduated disc 4
Newly determined focus, relative to the space coordinates of the initial point of level angle graduated disc 4, then adjusts the angle of horizontal location dish 9, sees
Examine level angle graduated disc 4, after determining the position of horizontal location dish 9, first magnetic piece 5-3 is positioned over first non magnetic fixing
On block 5-2, utilize the first magnetic piece 5-3 to carry out spacing with the magneticaction of described first arc-shaped magnet bar 5-1, adjust vertically oriented
The angle of bar 6, observes vertical angles graduated disc 7, is positioned over by the second magnetic piece 8-3 after determining the angle of vertically oriented bar 6
On second non magnetic fixed block 8-2, the second magnetic piece 8-3 is utilized to limit with the magneticaction of described second arc-shaped magnet bar 8-1
Position, the position of drilled tunnel 2 determines, punching degree of depth Kirschner wire and perforating device according to calculating carry out holing.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this practicality new
Type.Multiple amendment to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. an external location drilling guide device, it is characterised in that: it includes the fixed mount (1) for fixing device, arranges
The positioner for space quantization location on described fixed mount (1) and the drilled tunnel (2) for pilot hole.
One the most according to claim 1 external location drilling guide device, it is characterised in that: described positioner includes
For regulating the level locating mechanism of horizontal direction angle and for regulating the vertically oriented mechanism of vertical direction angle.
One the most according to claim 2 external location drilling guide device, it is characterised in that: described level locating mechanism
Initial point it is not total to described vertically oriented mechanism.
One the most according to claim 2 external location drilling guide device, it is characterised in that: described level locating mechanism
With described vertically oriented mechanism initial point altogether.
One the most according to claim 3 external location drilling guide device, it is characterised in that: described level locating mechanism
The horizontal location bar (3) at described level angle graduated disc (4) initial point position it is articulated with including level angle graduated disc (4), one end
Be used for limiting the Horizontal limiting card (5) of described horizontal location bar (3) position；Described vertically oriented mechanism includes being arranged at described
The vertical angles graduated disc (7) of horizontal location bar (3) other end, one end are articulated with described vertical angles graduated disc (7) initial point portion
Position vertically oriented bar (6) and be used for limiting the vertical limiting card (8) of described vertically oriented bar (6) position.
One the most according to claim 4 external location drilling guide device, it is characterised in that: described level locating mechanism
Including horizontal location dish (9), level angle graduated disc (4) be used for limiting the Horizontal limiting of described horizontal location dish (9) position
Card (5)；It is described the most fixed that described vertically oriented mechanism includes that vertically oriented bar (6), vertical angles graduated disc (7) and being used for limits
The vertical limiting card (8) of position bar (6)；At the initial point of described horizontal location dish (9) and level angle graduated disc (4) hinged；Described
Vertical angles graduated disc (7) is arranged at the outward flange of described horizontal location dish (9)；One end of described vertically oriented bar (6) is hinged
Initial point position in described horizontal location dish (9).
7. according to the external location of the one described in claim 5 or 6 drilling guide device, it is characterised in that: described drilled tunnel
(2) it is arranged in described vertically oriented bar (6).
One the most according to claim 5 external location drilling guide device, it is characterised in that: described Horizontal limiting card
(5) include the first arc-shaped magnet bar (5-1) being embedded on described level angle graduated disc (4), be arranged at described horizontal location
Bar (3) is gone up the first non magnetic fixed block (5-2) the most corresponding with described first arc-shaped magnet bar (5-1) position and detachably arranges
The first magnetic piece (5-3) on described first non magnetic fixed block (5-2)；Described first arc-shaped magnet article (5-1) and described
One magnetic piece (5-3) magnetic pole is contrary；Described vertical limiting card (8) includes be embedded on described vertical angles graduated disc (7) second
Arc-shaped magnet bar (8-1), to be arranged at described vertically oriented bar (6) upper the most corresponding with described second arc-shaped magnet bar (8-1) position
Second non magnetic fixed block (8-2) and be detachably arranged at the second magnetic piece (8-on described second non magnetic fixed block (8-2)
3)；Described second arc-shaped magnet bar (8-1) and described second magnetic piece (8-3) magnetic pole are contrary.
One the most according to claim 6 external location drilling guide device, it is characterised in that: described Horizontal limiting card
(5) include the first arc-shaped magnet bar (5-1) being embedded on described level angle graduated disc (4), be arranged at described horizontal location
Dish (9) is gone up the first non magnetic fixed block (5-2) the most corresponding with described first arc-shaped magnet bar (5-1) position and detachably arranges
The first magnetic piece (5-3) on described first non magnetic fixed block (5-2)；Described first arc-shaped magnet article (5-1) and described
One magnetic piece (5-3) magnetic pole is contrary；Described vertical limiting card (8) includes be embedded on described vertical angles graduated disc (7) second
Arc-shaped magnet bar (8-1), to be arranged at described vertically oriented bar (6) upper the most corresponding with described second arc-shaped magnet bar (8-1) position
Second non magnetic fixed block (8-2) and be detachably arranged at the second magnetic piece (8-on described second non magnetic fixed block (8-2)
3)；Described second arc-shaped magnet bar (8-1) and described second magnetic piece (8-3) magnetic pole are contrary.
One the most according to claim 1 external location drilling guide device, it is characterised in that: on described fixed mount (1)
Also it is detachably provided with two fixing bars (1-1) and the more than one draw-in groove being opened on each described fixing bar (1-1)
(1-2)；Described fixed mount (1) is fixed on patient legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620263232.0U CN205458897U (en) | 2016-03-31 | 2016-03-31 | External location drilling guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620263232.0U CN205458897U (en) | 2016-03-31 | 2016-03-31 | External location drilling guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205458897U true CN205458897U (en) | 2016-08-17 |
Family
ID=56646123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620263232.0U Expired - Fee Related CN205458897U (en) | 2016-03-31 | 2016-03-31 | External location drilling guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205458897U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107811711A (en) * | 2017-11-28 | 2018-03-20 | 崔东祥 | A kind of medical bone surgical clinical three-dimensional positioning guider |
| CN112089475A (en) * | 2020-08-28 | 2020-12-18 | 中南大学湘雅医院 | Femoral head marrow external fixation type drilling support |
| CN112729990A (en) * | 2020-12-29 | 2021-04-30 | 自然资源部第四海洋研究所(中国—东盟国家海洋科技联合研发中心) | Device suitable for immersion type solid phase micro-extraction |
| CN113303866A (en) * | 2021-06-04 | 2021-08-27 | 中南大学湘雅医院 | Thighbone near-end kirschner wire drilling location and many needles drilling auxiliary device |
-
2016
- 2016-03-31 CN CN201620263232.0U patent/CN205458897U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107811711A (en) * | 2017-11-28 | 2018-03-20 | 崔东祥 | A kind of medical bone surgical clinical three-dimensional positioning guider |
| CN112089475A (en) * | 2020-08-28 | 2020-12-18 | 中南大学湘雅医院 | Femoral head marrow external fixation type drilling support |
| CN112729990A (en) * | 2020-12-29 | 2021-04-30 | 自然资源部第四海洋研究所(中国—东盟国家海洋科技联合研发中心) | Device suitable for immersion type solid phase micro-extraction |
| CN113303866A (en) * | 2021-06-04 | 2021-08-27 | 中南大学湘雅医院 | Thighbone near-end kirschner wire drilling location and many needles drilling auxiliary device |
| CN113303866B (en) * | 2021-06-04 | 2022-05-10 | 中南大学湘雅医院 | Thighbone near-end kirschner wire drilling location and many needles drilling auxiliary device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160817 Termination date: 20170331 |