CN106388885B - mastoid retractor - Google Patents
mastoid retractor Download PDFInfo
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- CN106388885B CN106388885B CN201610995517.8A CN201610995517A CN106388885B CN 106388885 B CN106388885 B CN 106388885B CN 201610995517 A CN201610995517 A CN 201610995517A CN 106388885 B CN106388885 B CN 106388885B
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- handle
- head
- position limiting
- pusher dog
- limiting structure
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (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 is a kind of mastoid retractor comprising left and right drawing handle, left and right drawing head, left and right drawing handle centre is hinged, and dentation position limiting structure is arranged between the two, position limiting structure locking structure is arranged on left drawing handle or right drawing handle；Pusher dog is set on the left and right drawing head.The pusher dog being arranged on the wherein described left and right drawing head is asymmetry；Setting is for the double scale of distance and drawing head front end distance between intuitively reading left and right drawing handle on the position limiting structure；In addition the position limiting structure locking structure be limited to it is left drawing handle or it is right drawing handle on and size without departing from left and right drawing handle structure.Foregoing invention can solve the problems, such as that different depth muscle asymmetry retracts by the setting of asymmetrical pusher dog, and the setting of double scale can be such that the operation of operation quantifies, rather than be carried out according to doctors experience merely；The setting of the position limiting structure locking structure is smaller, occupies small easy to operate.
Description
Technical field
The invention belongs to neurosurgery medical instrument, used in especially a kind of neurosurgery microsurgical vascular decompression
Symmetry retracts the retractor of posterior auricular muscle meat, and in particular to is a kind of mastoid retractor.
Background technology
In neurosurgery microsurgical vascular decompression, since occipital bone turns to basis cranii direction, the difference of posterior auricular muscle meat thickness, mesh
Preceding conventional symmetrical mastoid retractor cannot symmetrically retract muscle, and often the shallower side of muscle depth retracts
It is overweight, and the deeper side of depth cannot effectively retract, therefore need to design novel retractor to meet the demand.
In addition, more on existing mastoid retractor scale is not arranged, the experience for retracting the how flat doctor of size of size carries out,
Requirement to doctor is high, and perform the operation cannot good quantification treatment, so that operation precision is affected, therefore be also required to existing
Retractor on setting scale with ensure retract size quantization.
And the locking structure setting of existing mastoid retractor is retracting on the outside of handle, and larger, when operation, is inconvenient
Surgical field of view is influenced, it is therefore desirable for a kind of setting of small locking structure solves to be asked a question.
The purpose of the present invention is the nipple retractors for the prior art cannot symmetrically retract the different tissue of muscle thickness,
The problems such as cannot retracting Size quantization and larger locking structure, provide a kind of mastoid retractor.
Invention content
In order to overcome the nipple retractor of the prior art that cannot symmetrically retract the different tissue of muscle thickness, cannot will retract
The problems such as Size quantization and larger locking structure, the object of the present invention is to provide a kind of mastoid process tractions that can be solved the above problems
Device.
The purpose of the present invention is achieved through the following technical solutions：
A kind of mastoid retractor, including left traction handle, right traction handle, left traction head, right traction head, left and right retract among handle
It is hinged, position limiting structure is set between the two, position limiting structure locking structure is set on left traction handle or right traction handle；It is described
Left and right retracts is arranged pusher dog on head, which is characterized in that the left and right retracts the pusher dog that asymmetry is arranged on head, and homonymy retracts head
On pusher dog size it is identical, it is different that offside retracts the pusher dog size on head.The heteropleural pusher dog of asymmetry can retract different depths
It is good to retract effect for the muscle layer of degree.Described position limiting structure one end connects left traction handle or right traction handle, the other end stretch into the right side and lead
It opens in handle or left traction handle inboard aperture；The position limiting structure locking structure be limited on left traction handle or right traction handle and
Size retracts the structure of handle without departing from left and right；The position limiting structure locking structure includes being set to left traction handle or right traction handle
On sliding slot, slide construction is set in sliding slot, and the slide construction includes that the small square plate in upper end and lower end are inserted in limiting structure two
Locking piece is arranged in small square plate in the insertion plate of side.The setting of this position limiting structure locking structure can effectively save space, prevent pair
Operation doctor interferes.
Further, the pusher dog is set as non-integral structure with head is retracted, and different sizes, pusher dog and traction head is arranged in pusher dog
It is upper that corresponding primary screw hole is set, pusher dog is set to by small screw and is retracted on head.It is selected according to the case where patient when operation
Select the pusher dog of suitable dimension.Non-integral setting can select different sizes according to the case where patient, and when use, which only needs to change, dials
Pawl need not replace whole device, easy to use.
Further, the pusher dog is set as being easy to push aside the arcuate structure of musculature, and the upper end setting connects with head is retracted
The vertical section connect.Arc setting is easier to push muscle aside, and will not be damaged to tissue.
Further, setting is used to intuitively read distance and left and right traction head between left and right traction handle on the position limiting structure
The double scale of front end distance.Double scale is calculated according to the shape of retractor and is arranged scale, and the setting of this scale can
To get information about left and right traction handle and the left and right distance for retracting head front end, allow traction specific more intuitive in operation, it can be with
Effectively save operating time.
Further, the locking piece be include the screw hole being set in small square plate and screw rod corresponding with screw hole, on screw rod
Nut is set.
Alternatively, locking piece is to include the square hole being set in small square plate, band tooth overlay structure is set in square hole, it is described
Position limiting structure is band tooth position limiting structure, and the tooth with tooth overlay structure is combined with the tooth of position limiting structure, reaches locking limit knot
The purpose of structure.Further, the swingle that small square plate is connected with setting in tooth overlay structure, under band tooth overlay structure further includes
Square dentalation and upper plate structure, swingle are set in slab construction.
Further, the traction head and traction handle are separately positioned, and the two is hinged.
Or retract head and to retract handle separately positioned, it retracts handle front end and toothed cylindrical section is set, retract head rear end and be arranged
The corresponding insertion hole for being inserted into cylindrical section.
Further, homonymy, which retracts, is arranged 3-8 pusher dog on head
Further, the retractor uses medical metal material.
The size of retractor of the present invention and prior art comparable dimensions, do not do big improvement.
Compared with prior art, the setting of the pusher dog of heteropleural asymmetry can retract thickness in mastoid retractor of the present invention
Different muscle layers, and the pusher dog of size can be fitted according to muscle layer thickness rotating close；In addition the setting of double scale can be with
The distance of intuitive connection front and back, increases the accuracy for retracting distance；The setting of small position limiting structure locking structure can have
Effect reduces instrument and is taken up space, and then reduces the interference in surgical procedure to operator.
Description of the drawings
Fig. 1 is 3 overall structure diagram of the embodiment of the present invention；
Fig. 2 is 6 overall structure diagram of the embodiment of the present invention；
Fig. 3 illustrates for 3 slide construction of the embodiment of the present invention；
Fig. 4 illustrates for 6 slide construction of the embodiment of the present invention；
Fig. 5 is that the embodiment of the present invention 6 retracts header structure schematic diagram；
Fig. 6 is that the embodiment of the present invention 6 retracts handle front-end architecture schematic diagram；
In figure, 1, left traction handle；2, right traction handle；3, left traction head；4, right traction head；5, position limiting structure；6, limit knot
Structure locking structure；61, sliding slot；62, slide construction；621, small square plate；622, it is inserted into plate；623, screw hole；624, screw rod；625, side
Shape hole；626, swingle；627, lower section dentalation；628, upper plate structure；7, pusher dog；71, primary screw hole；72, small spiral shell
Silk；8, double scale；91, cylindrical section；92, it is inserted into hole.
Specific implementation mode
A kind of 1 mastoid retractor of embodiment
A kind of mastoid retractor, including left traction handle 1, right traction handle 2, left traction head 3, right traction head 4, left and right traction
It is hinged among handle, position limiting structure 5 is set between the two, and setting position limiting structure locks on 1 or right traction handle 2 of left traction handle
Structure 6；Pusher dog 7 is set on left and right traction head, and middle left and right retracts the pusher dog 7 that asymmetry is arranged on head, and homonymy retracts head
On 7 size of pusher dog it is identical, it is different that offside retracts pusher dog 7 size on head.Retract handle with retract head integrally connected, retract head with
7 integrally connected of pusher dog；Position limiting structure 5 and position limiting structure locking structure 6 are identical as the structure of the prior art, and pusher dog 7 is arranged 4,
Shape is arc.Retractor uses medical metal material.
A kind of 2 mastoid retractor of embodiment
A kind of mastoid retractor, including left traction handle 1, right traction handle 2, left traction head 3, right traction head 4, left and right traction
It is hinged among handle, position limiting structure 5 is set between the two, and setting position limiting structure locks on 1 or right traction handle 2 of left traction handle
Structure 6；Pusher dog 7 is set on left and right traction head, and middle left and right retracts the pusher dog 7 that asymmetry is arranged on head, and homonymy retracts head
On 7 size of pusher dog it is identical, it is different that offside retracts pusher dog 7 size on head.It retracts handle and retracts head integrally connected；Position limiting structure
5 and position limiting structure locking structure 6 it is identical as the structure of the prior art, pusher dog 7 be arranged 4, pusher dog 7 with retract head be set as non-one
Body structure, pusher dog 7 are arranged different sizes, corresponding primary screw hole 71 are arranged on pusher dog 7 and traction head, being followed closely by primary screw 72 will
Pusher dog 7, which is set to, to be retracted on head.Pusher dog 7 is set as being easy to push aside the arcuate structure of musculature, the upper end setting and traction head
The vertical section of connection.
Setting is for intuitively reading distance between left and right traction handle and the left and right head front end distance that retracts on position limiting structure 5
Double scale 8.Double scale 8 is calculated according to the shape of retractor and is arranged scale, and the setting of this scale can be intuitive
Understand left and right traction handle and the left and right distance for retracting head front end, allows traction specific more intuitive in operation, can effectively save
Operating time.Retractor uses medical metal material.
A kind of 3 mastoid retractor of embodiment
A kind of mastoid retractor, including left traction handle 1, right traction handle 2, left traction head 3, right traction head 4, left and right traction
It is hinged among handle, position limiting structure 5 is set between the two, and setting position limiting structure locks on 1 or right traction handle 2 of left traction handle
Structure 6；Pusher dog 7 is set on left and right traction head, and middle left and right retracts the pusher dog 7 that asymmetry is arranged on head, and homonymy retracts head
On 7 size of pusher dog it is identical, it is different that offside retracts pusher dog 7 size on head.It retracts handle and retracts head integrally connected；Pusher dog 7 is set
4 are set, pusher dog 7 is set as non-integral structure with head is retracted, and pusher dog 7 is arranged different sizes, is arranged on pusher dog 7 and traction head and corresponds to
Primary screw hole 71, by primary screw 72 nail by pusher dog 7 be set to retract head on.It is suitable according to being selected the case where patient when operation
The pusher dog 7 of size.Pusher dog 7 is set as being easy to push aside the arcuate structure of musculature, and the upper end setting connect perpendicular with traction head
Straight section.Arc setting is easier to push muscle aside, and will not be damaged to tissue.Setting is for intuitively reading on position limiting structure 5
Distance and the left and right double scale 8 for retracting head front end distance between left and right traction handle.Double scale 8 is according to the shape of retractor
Calculated and be arranged scale, the setting of this scale can get information about left and right traction handle and it is left and right retract head front end away from
From allowing traction specific more intuitive in operation, can effectively save operating time.
Position limiting structure locking structure 6 includes being set to left traction handle 1 or the right sliding slot 61 retracted on handle 2, in sliding slot 61
Slide construction 62 is set, and slide construction 62 includes the insertion plate for being inserted in limiting structure both sides of the small square plate 621 in upper end and lower end
622, locking piece is set in small square plate 621.The setting of this position limiting structure locking structure 6 can effectively save space, prevent to behaviour
It is interfered as doctor.Locking piece be include the screw hole 623 being set in small square plate 621 and screw rod corresponding with screw hole 623
624, nut is set on screw rod 624.Retractor uses medical metal material.
A kind of 4 mastoid retractor of embodiment
A kind of mastoid retractor, including left traction handle 1, right traction handle 2, left traction head 3, right traction head 4, left and right traction
It is hinged among handle, position limiting structure 5 is set between the two, and setting position limiting structure locks on 1 or right traction handle 2 of left traction handle
Structure 6；Pusher dog 7 is set on left and right traction head, and middle left and right retracts the pusher dog 7 that asymmetry is arranged on head, and homonymy retracts head
On 7 size of pusher dog it is identical, it is different that offside retracts pusher dog 7 size on head.It retracts handle and retracts head integrally connected；Pusher dog 7 is set
4 are set, pusher dog 7 is set as non-integral structure with head is retracted, and pusher dog 7 is arranged different sizes, is arranged on pusher dog 7 and traction head and corresponds to
Primary screw hole 71, by primary screw 72 nail by pusher dog 7 be set to retract head on.It is suitable according to being selected the case where patient when operation
The pusher dog 7 of size.Pusher dog 7 is set as being easy to push aside the arcuate structure of musculature, and the upper end setting connect perpendicular with traction head
Straight section.Arc setting is easier to push muscle aside, and will not be damaged to tissue.Setting is for intuitively reading on position limiting structure 5
Distance and the left and right double scale 8 for retracting head front end distance between left and right traction handle.Double scale 8 is according to the shape of retractor
Calculated and be arranged scale, the setting of this scale can get information about left and right traction handle and it is left and right retract head front end away from
From allowing traction specific more intuitive in operation, can effectively save operating time.
Position limiting structure locking structure 6 includes being set to left traction handle 1 or the right sliding slot 61 retracted on handle 2, in sliding slot 61
Slide construction 62 is set, and slide construction 62 includes the insertion plate for being inserted in limiting structure both sides of the small square plate 621 in upper end and lower end
622, locking piece is set in small square plate 621.The setting of this position limiting structure locking structure 6 can effectively save space, prevent to behaviour
It is interfered as doctor.Locking piece be include the square hole 625 being set in small square plate 621, setting band tooth covers in square hole 625
Lid structure, position limiting structure 5 are band tooth position limiting structure, and the tooth with tooth overlay structure can be combined with the tooth of position limiting structure 5, reach locking
The purpose of position limiting structure 5.Further, the swingle 626 of small square plate 621, band tooth covering knot are connected with setting in tooth overlay structure
Structure further includes that lower section dentalation 627 and upper plate structure 628, swingle 626 are set in slab construction.Retractor uses
Medical metal material.
A kind of 5 mastoid retractor of embodiment
A kind of mastoid retractor, including left traction handle 1, right traction handle 2, left traction head 3, right traction head 4, left and right traction
It is hinged among handle, position limiting structure 5 is set between the two, and setting position limiting structure locks on 1 or right traction handle 2 of left traction handle
Structure 6；Pusher dog 7 is set on left and right traction head, and middle left and right retracts the pusher dog 7 that asymmetry is arranged on head, and homonymy retracts head
On 7 size of pusher dog it is identical, it is different that offside retracts pusher dog 7 size on head.Pusher dog 7 is arranged 4, and pusher dog 7 is arranged with head is retracted
For non-integral structure, pusher dog 7 is arranged different sizes, corresponding primary screw hole 71 is arranged on pusher dog 7 and traction head, passes through primary screw
Pusher dog 7 is set to by 72 nails to be retracted on head.According to the pusher dog 7 for selecting suitable dimension the case where patient when operation.Pusher dog 7 is set as
It is easy to push the arcuate structure of musculature, the vertical section that the upper end setting is connect with traction head aside.Arc setting is easier to push aside
Muscle, and tissue will not be damaged.On position limiting structure 5 setting for intuitively read distance and a left side between left and right traction handle,
The right double scale 8 for retracting head front end distance.Double scale 8 is calculated according to the shape of retractor and is arranged scale, this moment
The setting of degree can get information about left and right traction handle and the left and right distance for retracting head front end, allow traction specific more in operation
Intuitively, operating time can effectively be saved.
Position limiting structure locking structure 6 includes being set to left traction handle 1 or the right sliding slot 61 retracted on handle 2, in sliding slot 61
Slide construction 62 is set, and slide construction 62 includes the insertion plate for being inserted in limiting structure both sides of the small square plate 621 in upper end and lower end
622, locking piece is set in small square plate 621.The setting of this position limiting structure locking structure 6 can effectively save space, prevent to behaviour
It is interfered as doctor.Locking piece be include the square hole 625 being set in small square plate 621, setting band tooth covers in square hole 625
Lid structure, position limiting structure 5 are band tooth position limiting structure, and the tooth with tooth overlay structure can be combined with the tooth of position limiting structure 5, reach locking
The purpose of position limiting structure 5.Further, the swingle 626 of small square plate 621, band tooth covering knot are connected with setting in tooth overlay structure
Structure further includes that lower section dentalation 627 and upper plate structure 628, swingle 626 are set in slab construction.Head is retracted in leading
It is separately positioned to open handle, the two is hinged.Retractor uses medical metal material.
A kind of 6 mastoid retractor of embodiment
A kind of mastoid retractor, including left traction handle 1, right traction handle 2, left traction head 3, right traction head 4, left and right traction
It is hinged among handle, position limiting structure 5 is set between the two, and setting position limiting structure locks on 1 or right traction handle 2 of left traction handle
Structure 6；Pusher dog 7 is set on left and right traction head, and middle left and right retracts the pusher dog 7 that asymmetry is arranged on head, and homonymy retracts head
On 7 size of pusher dog it is identical, it is different that offside retracts pusher dog 7 size on head.Pusher dog 7 is arranged 4, and pusher dog 7 is arranged with head is retracted
For non-integral structure, pusher dog 7 is arranged different sizes, corresponding primary screw hole 71 is arranged on pusher dog 7 and traction head, passes through primary screw
Pusher dog 7 is set to by 72 nails to be retracted on head.According to the pusher dog 7 for selecting suitable dimension the case where patient when operation.Pusher dog 7 is set as
It is easy to push the arcuate structure of musculature, the vertical section that the upper end setting is connect with traction head aside.Arc setting is easier to push aside
Muscle, and tissue will not be damaged.On position limiting structure 5 setting for intuitively read distance and a left side between left and right traction handle,
The right double scale 8 for retracting head front end distance.Double scale 8 is calculated according to the shape of retractor and is arranged scale, this moment
The setting of degree can get information about left and right traction handle and the left and right distance for retracting head front end, allow traction specific more in operation
Intuitively, operating time can effectively be saved.
Position limiting structure locking structure 6 includes being set to left traction handle 1 or the right sliding slot 61 retracted on handle 2, in sliding slot 61
Slide construction 62 is set, and slide construction 62 includes the insertion plate for being inserted in limiting structure both sides of the small square plate 621 in upper end and lower end
622, locking piece is set in small square plate 621.The setting of this position limiting structure locking structure 6 can effectively save space, prevent to behaviour
It is interfered as doctor.Locking piece be include the square hole 625 being set in small square plate 621, setting band tooth covers in square hole 625
Lid structure, position limiting structure 5 are band tooth position limiting structure, and the tooth with tooth overlay structure can be combined with the tooth of position limiting structure 5, reach locking
The purpose of position limiting structure 5.Further, the swingle 626 of small square plate 621, band tooth covering knot are connected with setting in tooth overlay structure
Structure further includes that lower section dentalation 627 and upper plate structure 628, swingle 626 are set in slab construction.Head is retracted in leading
It is separately positioned to open handle, retracts handle front end and toothed cylindrical section 91 is set, it is corresponding for being inserted into cylindrical section to retract the setting of head rear end
91 insertion hole 92.Retractor uses medical metal material.
The explanation of above-described embodiment is only intended to understand the present invention.It should be pointed out that for those of ordinary skill in the art
For, without departing from the principle of the present invention, several improvement can also be carried out to the present invention, these improvement will also fall into this
In invention scope of the claims.
Claims (9)
1. a kind of mastoid retractor, including left traction handle (1), right traction handle (2), left traction head (3), right traction head (4)；Left,
It is hinged among right traction handle, position limiting structure (5) is set between the two, is arranged on left traction handle (1) or right traction handle (2)
Position limiting structure locking structure (6)；Pusher dog (7) is set on the left and right traction head, which is characterized in that on the left and right traction head
The pusher dog (7) of asymmetry is set, and pusher dog (7) size that homonymy retracts on head is identical, and offside retracts pusher dog (7) size on head
It is different；Described position limiting structure (5) one end connects left traction handle (1) or right traction handle (2), the other end stretch into right traction handle (2)
Or in left traction handle (1) inboard aperture；The position limiting structure locking structure (6) is to be limited to left traction handle (1) or right traction
On handle (2) and size is without departing from the left and right structure for retracting handle；The position limiting structure locking structure (6) includes being set to left traction
Handle (1) or the right sliding slot (61) retracted on handle (2), the interior setting slide construction (62) of sliding slot (61), the slide construction (62)
Lock is arranged on small square plate (621) for the insertion plate (622) for being inserted in limiting structure both sides including the small square plate in upper end (621) and lower end
Determine part.
2. mastoid retractor according to claim 1, which is characterized in that the pusher dog (7) is set as with left and right traction head
Non-integral structure, pusher dog (7) are arranged different sizes, corresponding primary screw hole (71) are arranged on pusher dog (7) and left and right traction head,
Pusher dog (7) is set on left and right traction head by primary screw (72).
3. mastoid retractor according to claim 1, which is characterized in that setting is for intuitive on the position limiting structure (5)
Read left and right distance and the left and right double scale (8) for retracting head front end distance between retracting handle.
4. mastoid retractor according to claim 1, which is characterized in that the locking piece be include being set to small square plate
(621) nut is arranged on (624) in the screw hole (623) on and screw rod corresponding with screw hole (623) (624), screw rod.
5. mastoid retractor according to claim 1, which is characterized in that locking piece be include being set to small square plate (621)
On square hole (625), setting band tooth overlay structure in square hole (625), the position limiting structure (5) is band tooth position limiting structure,
The tooth with tooth overlay structure is combined with the tooth of position limiting structure (5).
6. mastoid retractor according to claim 5, which is characterized in that setting connects small side in the band tooth overlay structure
The swingle (626) of plate (621), band tooth overlay structure further include lower section dentalation (627) and upper plate structure (628),
Swingle (626) is set in slab construction.
7. mastoid retractor according to claim 1, which is characterized in that the left and right traction head and left and right traction handle point
From setting, the two is hinged.
8. mastoid retractor according to claim 1, which is characterized in that left and right traction head is detached with left and right traction handle and set
It sets, toothed cylindrical section (91) is arranged in left and right traction handle front end, and left and right traction head rear end setting is corresponding for being inserted into cylinder
The insertion hole (92) of section (91).
9. mastoid retractor according to claim 1, which is characterized in that the retractor uses medical metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995517.8A CN106388885B (en) | 2016-11-10 | 2016-11-10 | mastoid retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995517.8A CN106388885B (en) | 2016-11-10 | 2016-11-10 | mastoid retractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106388885A CN106388885A (en) | 2017-02-15 |
| CN106388885B true CN106388885B (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610995517.8A Expired - Fee Related CN106388885B (en) | 2016-11-10 | 2016-11-10 | mastoid retractor |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107714112A (en) * | 2017-08-31 | 2018-02-23 | 成都测迪森生物科技有限公司 | A kind of brain mastoid tractor |
| CN108186062B (en) * | 2018-02-10 | 2019-06-07 | 丁汉君 | A kind of medical treatment retractor |
| CN108567453A (en) * | 2018-03-15 | 2018-09-25 | 郭子恒 | A kind of new-type multi-purpose gun-shaped surgical dilator |
| CN111803151A (en) * | 2020-07-03 | 2020-10-23 | 台州市黄岩喃语电子商务有限公司 | Eyelid retractor with adjustable opening degree |
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| DE2802403B1 (en) * | 1978-01-20 | 1979-04-05 | Waldemar Link (Gmbh & Co), 2000 Hamburg | Adjustable quick release fastener for surgical and orthopedic instruments |
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| CN201108456Y (en) * | 2007-12-03 | 2008-09-03 | 陈铭坤 | Gas barrel slicing support clamp |
| CN203089233U (en) * | 2012-12-12 | 2013-07-31 | 中国人民解放军第三医院 | Multifunctional retractor |
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| CN106388885A (en) | 2017-02-15 |
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