CN110432970A - A kind of neck of femur Kirschner wire positioning adjustment system - Google Patents
A kind of neck of femur Kirschner wire positioning adjustment system Download PDFInfo
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- CN110432970A CN110432970A CN201910650175.XA CN201910650175A CN110432970A CN 110432970 A CN110432970 A CN 110432970A CN 201910650175 A CN201910650175 A CN 201910650175A CN 110432970 A CN110432970 A CN 110432970A
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- 210000000689 upper leg Anatomy 0.000 title claims abstract description 37
- 210000000988 bone and bone Anatomy 0.000 abstract description 7
- 230000006641 stabilisation Effects 0.000 abstract description 5
- 238000011105 stabilization Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 6
- 208000010392 Bone Fractures Diseases 0.000 description 5
- 206010017076 Fracture Diseases 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 208000020089 femoral neck fracture Diseases 0.000 description 3
- 230000037361 pathway Effects 0.000 description 3
- 238000011002 quantification Methods 0.000 description 3
- 230000001054 cortical effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 210000001694 thigh bone Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 210000002436 femur neck Anatomy 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention belongs to the field of medical instrument technology, disclose a kind of neck of femur Kirschner wire positioning adjustment system, the second layer channel of the inlet face setting of micro actuator, third layer channel, the 4th layer of channel and to be parallel at a distance from the first layer channel of the longitudinal axis be in 3 degree, 6 degree, 9 degree respectively from the near to the remote；Micro actuator is mounted on honeycomb sleeve；Honeycomb sleeve is sleeved on honeycomb guider handle, and honeycomb guider handle upper end opens up the aperture there are three equilateral triangle arrangement, is arranged with honeycomb sleeve in each aperture.The present invention can quickly be adjusted first piece of positioning Kirschner wire to ideal position by micro actuator, and adjustment can quantify；After first piece of kirschner pin position is satisfied, honeycomb sleeve is installed, ensure that three Kirschner wires are substantially parallel, and close to neck of femur cortex bone；The present invention solves that existing locator stabilization is poor, and channel is few, it is difficult to quickly get parallel and accurate position problem.
Description
Technical field
The invention belongs to the field of medical instrument technology more particularly to a kind of neck of femur Kirschner wire to position adjustment system.
Background technique
Currently, the immediate prior art in the industry:
Fracture of neck of femur is current common fracture, and 65 years old fixed in more pieces of hollow screws of the general row closed reduction of patient once
Art.It requires three pieces of hollow screws as fixed in parallel as possible when operation and close to cortical bone, is fixed conducive to fracture stabilization and the broken ends of fractured bone
Pressurization.Presently, there are locator be usually two channel location devices, have the disadvantage in that 1. stabilization it is poor, channel is few, so difficult
Kirschner wire is preferably positioned quickly to get parallel and position；2. not for the external positioning of first positioning Kirschner wire
Device；3. when if positioning Kirschner wire direction position were undesirable, the micro-adjustment instrument that can not quantify.
In conclusion problem of the existing technology is:
(1) existing locator stabilization is poor, and channel is few, it is difficult to quickly get parallel and position and preferably position kirschner
Needle.
(2) not for the micromatic setting of positioning Kirschner wire, and quantification, accuracy are finely tuned.
Solve the difficulty of above-mentioned technical problem:
The positioning Kirschner wire of bottom is most important in three needles, on the lower side should be located in neck of femur in side position as upper again
Centre, this is optimal position, but is often extremely difficult to this ideal position in clinical practice operation, often partially a several years, but
It is exactly this several years, is difficult to realize in actual operation.Micro actuator is exactly to solve this problem.When first pilot pin is by micro-
After adjusting device to reach ideal position, the maximum diameter of installation honeycomb sleeve contains clinically Asian and neck of femur diameter range, and
And all channel in the inside is all parallel to each other, by it can and quickly again can be parallel get other two positioning kirschner
Needle.
Solve the meaning of above-mentioned technical problem:
Fracture of neck of femur suffering limb clinically generally selects closure or cuts three pieces of hollow screws and fixes.This three hollow spiral shells
The rationality position of nail should be parallel between each other, dispersion, as close as possible to neck of femur edge.By the micro actuator that we design, originally
The lowermost can be positioned Kirschner wire and be adjusted to ideal position by invention, then installed honeycomb guider and got another two pieces of parallel kirschner
Needle can get ideal three parallel in this way, and disperse, and as close as possible to the hollow screw at neck of femur edge, be fracture with compressive,
Fixed and healing provides advantage.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of neck of femur Kirschner wires to position adjustment system.
The invention is realized in this way a kind of neck of femur Kirschner wire positions adjustment system, the neck of femur Kirschner wire positioning
Adjustment system is provided with micro actuator.
The second layer channel of the inlet face setting of micro actuator, third layer channel, the 4th layer of channel and it is parallel to the of the longitudinal axis
The distance in one layer of channel is in 3 degree, 6 degree, 9 degree respectively from the near to the remote.
First layer channel first through hole, second layer channel first through hole, third layer channel first through hole, the 4th layer first it is logical
The second hole of exit face of Kong Junyu micro actuator is connected to.
The second through-hole of second layer channel, the second through-hole of third layer channel, the 4th layer of the second through-hole with exit face third hole
Connection.
The second through-hole of first layer channel, second layer channel third through-hole, third layer channel third through-hole, the 4th layer of third are logical
The first hole of exit face of Kong Junyu micro actuator is connected to.
Micro actuator is mounted on honeycomb barrel forward end；Honeycomb sleeve is sleeved on honeycomb guider handle, honeycomb guider handle
End opens up the aperture there are three equilateral triangle arrangement on hand, is arranged with honeycomb sleeve in each aperture；
First honeycomb sleeve of honeycomb sleeve is located at honeycomb guider handle upper right side；Third honeycomb sleeve is led positioned at honeycomb
To device handle left upper end；First honeycomb sleeve is parallel with third honeycomb sleeve；Second honeycomb sleeve is located under the first honeycomb sleeve
Portion.
Further, the honeycomb barrel end is pointed.
Further, the honeycomb guider handle front end is recessed with holding groove.
Further, the angle between first layer channel and second layer channel is 3 degree.
Further, the angle between first layer channel and third layer channel is 6 degree.
Further, the angle between first layer channel and the 4th layer of channel is 9 degree.
Further, the third hole centre distance of the first hole of exit face and exit face be 2.5mm, the first of first layer channel
The second hole distance 6mm in hole and first layer channel.
In conclusion advantages of the present invention and good effect are as follows:
Honeycomb guider of the present invention is provided with handle, and handle upper end opens up the aperture there are three equilateral triangle arrangement, each
It is arranged with honeycomb sleeve in honeycomb through-hole, multiple honeycomb through-holes are offered among honeycomb sleeve.
The present invention can quickly be adjusted first piece of positioning Kirschner wire to ideal position by micro actuator, and adjusting can
With quantization；After first piece of kirschner pin position is satisfied, the honeycomb sleeve of three cylinders (is being mounted on handle just by installation honeycomb sleeve
The aperture of rounded projections arranged), it is ensured that three Kirschner wires are substantially parallel, and close to neck of femur cortex bone.
The present invention can be convenient the conjunction of holding of finger by holding groove, convenient to carry out hand-held to honeycomb guider.
Detailed description of the invention
Fig. 1 is micro actuator structural schematic diagram provided in an embodiment of the present invention.
In figure: (a), micro actuator entrance figure；(b), micro actuator longitudinal direction schematic diagram；(c) micro actuator side view；(d), micro actuator goes out
Mouth figure.
Fig. 2 is honeycomb guide structure schematic diagram provided in an embodiment of the present invention.
In figure: 1, micro actuator；1-1, inlet face；1-1-1, first layer channel first through hole；1-1-2, first layer channel
Two through-holes；1-1-3, second layer channel first through hole；1-1-4, the second through-hole of second layer channel；1-1-5, second layer channel third
Through-hole；1-1-6, third layer channel first through hole；1-1-7, the second through-hole of third layer channel；1-1-8, third layer channel third are logical
Hole；1-1-9, the 4th layer of channel first through hole；1-1-10, the 4th layer of the second through-hole of channel；1-1-11, the 4th layer of channel third are logical
Hole；2, handle；3, honeycomb sleeve；4, the first honeycomb sleeve；5, groove is held；6, exit face；6-1, exit face first through hole；6-
2, the second through-hole of exit face；6-3, exit face third through-hole；7, the second honeycomb sleeve；8, third honeycomb sleeve.
Fig. 3 is first piece of Kirschner wire micro actuator installation implementation result figure provided in an embodiment of the present invention.
Fig. 4 is the using renderings of Kirschner wire clinic provided in an embodiment of the present invention.
Fig. 5 is to have an X-rayed not at center in embodiment provided in an embodiment of the present invention when squeezing into one piece of Kirschner wire side position, this
When in side position as the center line of upper standardized neck of femur, and calculate and to adjust the angle of Kirschner wire, selected according to the angle calculated
Select with 3 degree, 6 degree, 9 degree of that immediate angles, and be inserted into corresponding channel figure.
Fig. 6 is micro actuator to be fitted without in embodiment provided in an embodiment of the present invention, and directly utilize parallel honeycomb set
The real-time operation figure that cylinder carries out；In figure: honeycomb sleeve inaccuracy is only used, it is not energetic, experience can only be leaned on to push and to adjust
Needle be in 6 degree.
Fig. 7 is in embodiment provided in an embodiment of the present invention, and the micro actuator of installation selects 6 degree of channel, real-time operation figure.
In figure: if being equipped with micro actuator, being directly inserted into the needle degree for wanting adjustment, energy after micro actuator is installed
Reach quantification, more acurrate, easy to operate.
Fig. 8 is in embodiment provided in an embodiment of the present invention, and two pieces of Kirschner wires are in vitro at 6 degree of angle after removing micro actuator
Degree figure.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows.
Existing locator stabilization is poor, and channel is few, it is difficult to quickly get parallel and position and preferably position Kirschner wire.
The key having an injection is how to get most important first needle, if first positioning Kirschner wire direction position is undesirable, is not had
There is the micro-adjustment instrument that can quantify.
To solve the above problems, below with reference to concrete scheme, the present invention is described in detail.
As depicted in figs. 1 and 2, neck of femur Kirschner wire positioning adjustment system provided in an embodiment of the present invention includes: micro actuator
1, honeycomb guider handle 2, honeycomb sleeve 3, honeycomb sleeve 4, holding groove 5.
The second layer channel of the inlet face 1-1 setting of micro actuator 1, third layer channel, the 4th layer of channel and it is parallel to the longitudinal axis
First layer channel distance from the near to the remote respectively be in 3 degree, 6 degree, 9 degree.
First layer channel first leads to the hole 1-1-1, second layer channel first through hole 1-1-3, third layer channel first through hole 1-
1-6, the 4th layer of first through hole 1-1-9 are connected to the second hole of the exit face of micro actuator 1-2-2.
Second layer channel the second through-hole 1-1-4, third layer channel the second through-hole 1-1-7, the 4th layer of channel the second through-hole 1-
1-10 is connected to exit face 1-2 third hole 1-2-3.
First layer channel the second through-hole 1-1-2, second layer channel third through-hole 1-1-5, third layer channel third through-hole 1-
1-8, the 4th layer of third through-hole 1-1-111 are connected to the first hole of the exit face of micro actuator 1-2-1.
Micro actuator 1 is mounted on honeycomb sleeve 3；Honeycomb sleeve 3 is sleeved on honeycomb guider handle 2, honeycomb guider
2 upper end of handle opens up the aperture there are three equilateral triangle arrangement, is arranged with honeycomb sleeve 3 in each aperture.
3 end of honeycomb sleeve is pointed.
The handle front end, which is recessed with, holds groove 5.
Micro actuator 1 is mounted on 4 front end of honeycomb sleeve；The positioning Kirschner wire of bottom is mounted on the second honeycomb sleeve 7
Center increases the strength in control guide pin direction, the first 4, honeycomb sleeve by honeycomb guider as far as possible close near end of thighbone
In 2 upper right side of honeycomb guider handle；Third honeycomb sleeve is located at honeycomb guider handle left upper end；First honeycomb sleeve and
Three honeycomb sleeves 8 are parallel；Second honeycomb sleeve is located at the first honeycomb lower cartridge.
In Fig. 1 in neck of femur Kirschner wire provided in an embodiment of the present invention positioning adjustment system, 3 pieces of hollow spiral shells of fracture of neck of femur
Nail is fixed, and squeezes into one piece of bottom first, it is desirable that and it is P-A Cephalomatrics as far as possible close to neck of femur lower edge, lateral projection is central in neck of femur,
Micro actuator is the needle for making a call to first bottom, this needle of general bottom is inserted into a belt carcass sleeve to squeeze into, still
Inaccuracy has a little bias, at this time uses micro actuator again.
In Fig. 2 in honeycomb guide structure schematic diagram provided in an embodiment of the present invention, when squeezing into ideal bottom one
After needle, by honeycomb guider, the other two piece needle parallel with first is squeezed into, this three needles are all parallel between each other.
The channel of the inside is that parallel center has a central passage entirely, shares 4 around central passage and successively increases with centre distance
The parallel channels added.
After first stylus printer to ideal position install honeycomb sleeve: first needle is mounted on 7 center, then from
First honeycomb sleeve, third honeycomb sleeve 8 center squeeze into remaining 2 pieces of needles respectively.
The present invention will be further described below with reference to examples.
Embodiment 1
Neck of femur Kirschner wire positioning adjustment system provided in an embodiment of the present invention includes foregoing description content, wherein further including
Technical characteristic are as follows:
Angle between first layer channel and second layer channel is 3 degree.
Embodiment 2
Neck of femur Kirschner wire positioning adjustment system provided in an embodiment of the present invention includes foregoing description content, wherein further including
Technical characteristic are as follows:
Angle between first layer channel and third layer channel is 6 degree.
Embodiment 3
Neck of femur Kirschner wire positioning adjustment system provided in an embodiment of the present invention includes foregoing description content, wherein further including
Technical characteristic are as follows:
Angle between first layer channel and the 4th layer of channel is 9 degree.
Embodiment 4
Neck of femur Kirschner wire positioning adjustment system provided in an embodiment of the present invention includes foregoing description content, wherein further including
Technical characteristic are as follows:
The third hole centre distance of first hole of the exit face of micro actuator and exit face is 2.5mm, the of first layer channel
The second hole distance 6mm in one hole and first layer channel.
Below with reference to working principle, the invention will be further described.
Micro actuator working principle is as shown in Fig. 1 a- Fig. 1 d.
Similar honeycomb sleeve is arranged in the micro actuator, but sideling these channels (second layer channel, third layer channel,
4th layer of channel such as Fig. 1 b) it is from the near to the remote respectively in respectively 3 degree, 6 degree, 9 with two channel distances for being parallel to longitudinal axis first layer
Degree, fine tuning are exactly to be realized by these oblique channels, and first hole in first layer channel to the 4th layer of channel is in exit face second
This hole of hole is pierced by.
Second and third, the exit face third hole path of the second Kong Doucong micro actuator in four layers of channel is pierced by.
First layer pathway second aperture, second and third, first hole of third Kong Doucong exit face in four layers of channel is pierced by.Exit face
First hole and exit face third hole (such as Fig. 1 d) centre distance are 2.5mm, the first hole of first layer channel and the second hole distance 6mm.
In the use of the present invention, substantially squeezing into first piece of positioning Kirschner wire into neck of femur by perspective after the reduction of the fracture
(layout of three pieces of needles is usually up-side down triangle, first squeezes into one piece bottom, ideal position as shown in figure 3, P-A Cephalomatrics close to stock
Bone neck lower edge, lateral projection is in neck of femur center)；Because being substantially satisfied by the pilot pin that perspective is squeezed into, even
Adjustment is also fine tuning, and first piece of Kirschner wire is further adjusted using micro actuator to ideal position；Honeycomb is installed by first piece of needle
Guider (all honeycomb through-holes 4 in device are all parallel), successively gets second and third piece of parallel needle.
Neck of femur Kirschner wire position adjustment system in use, the rationality position of this three hollow screws should be mutual
In parallel, disperse, as close as possible to neck of femur edge.It is clinically most lower by being marked roughly after the outer Kirschner wire perspective of placement body first
Then Kirschner wire is manually driven into neck of femur according to label by the general location of Fang Dingwei Kirschner wire, Kirschner wire at this time
Position is difficult in rationality position, (side position picture) to the rear to the front in neck of femur possible (reverse S-line of Golden) on the lower side on the upper side, then passes through
The micro actuator of design, the Kirschner wire that will be adjusted are placed into the channel in the first hole of first layer, if it is good to enter pin mark upper and lower position
Good (normotopia), it is only necessary to adjust the to the front to the rear of side position, need to select the second hole of second channel according to the degree of offset from center
(3 degree), third layer pathway second aperture (6 degree), the 4th layer of pathway second aperture (9 degree)；
If it is (normotopia) on the upper side or on the lower side to enter pin mark upper and lower position, side position is continued to adjust up and down again not in center,
Adjustment side position is to the front, to the rear again, then the Kirschner wire that will be adjusted, which is placed into the channel in the first hole of first layer, then needs root
Second layer channel third hole (3 degree) are selected according to the degree of offset from center, third layer channel third hole (6 degree), the 4th layer of channel the
Three holes (9 degree)；Thus get first positioning Kirschner wire of ideal bottom.
Fig. 3 is first piece of Kirschner wire micro actuator installation implementation result figure provided in an embodiment of the present invention.
Fig. 4 is the using renderings of Kirschner wire clinic provided in an embodiment of the present invention.
Combined with specific embodiments below and using the invention will be further described.
Embodiment
As shown in figure 5, firstly, when squeezing into one piece of Kirschner wire side position perspective not at center, at this moment in side position as upper standardized
The center line of neck of femur, and the angle of Kirschner wire is calculated and to adjust, according to the angle Selection calculated and 3 degree, 6 degree, 9 degree are most
That close angle, and it is inserted into corresponding channel.
Then, the positioning Kirschner wire of bottom is mounted on to the center of the second honeycomb sleeve 7, honeycomb guider is use up
Amount increases the strength in control guide pin direction, beats from the centre bore of the first honeycomb sleeve 4, third honeycomb sleeve 8 close near end of thighbone
Another two pieces of parallel Kirschner wires out, if perspective is not enough close to cortical bone, that continues to adjust by the component of honeycomb sleeve.In this way
Ideal three and parallel can be got, and is dispersed, and be fracture with compressive, fixation as close as possible to the hollow screw at neck of femur edge
Advantage is provided.
Quickly first piece of positioning Kirschner wire can be adjusted to ideal position by micro actuator, and adjustment can measure
Change；After first piece of kirschner pin position is satisfied, honeycomb sleeve is installed, it is ensured that three Kirschner wires are substantially parallel, and close to femur
Neck cortex bone.
Fig. 6 is micro actuator to be fitted without in embodiment provided in an embodiment of the present invention, and directly utilize parallel honeycomb set
The real-time operation figure that cylinder carries out；In figure: honeycomb sleeve inaccuracy is only used, it is not energetic, experience can only be leaned on to push and to adjust
Needle be in 6 degree.
Fig. 7 is in embodiment provided in an embodiment of the present invention, and the micro actuator of installation selects 6 degree of channel, real-time operation figure.
In figure: if being equipped with micro actuator, being directly inserted into the needle degree for wanting adjustment, energy after micro actuator is installed
Reach quantification, more acurrate, easy to operate.
Two pieces of Kirschner wires are identical with imagination in vitro at 6 degree of angle after Fig. 8 removes micro actuator.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (7)
1. a kind of neck of femur Kirschner wire positions adjustment system, which is characterized in that the neck of femur Kirschner wire positioning adjustment system is set
It is equipped with: micro actuator；
Second layer channel, third layer channel, the 4th layer of channel and the first layer for being parallel to the longitudinal axis of the inlet face setting of micro actuator
The distance in channel is in 3 degree, 6 degree, 9 degree respectively from the near to the remote；
First layer channel first through hole, second layer channel first through hole, third layer channel first through hole, the 4th layer of first through hole are equal
It is connected to the second hole of exit face of micro actuator；
The second through-hole of second layer channel, the second through-hole of third layer channel, the 4th layer of the second through-hole are connected to exit face third hole；
The second through-hole of first layer channel, second layer channel third through-hole, third layer channel third through-hole, the 4th layer of third through-hole are equal
It is connected to the first hole of exit face of micro actuator；
Micro actuator is mounted on honeycomb barrel forward end；Honeycomb sleeve is sleeved on honeycomb guider handle, on honeycomb guider handle
End opens up the aperture there are three equilateral triangle arrangement, is arranged with honeycomb sleeve in each aperture；
First honeycomb sleeve of honeycomb sleeve is located at honeycomb guider handle upper right side；Third honeycomb sleeve is located at honeycomb guider
Handle left upper end；First honeycomb sleeve is parallel with third honeycomb sleeve；Second honeycomb sleeve is located at the first honeycomb lower cartridge.
2. neck of femur Kirschner wire as described in claim 1 positions adjustment system, which is characterized in that the honeycomb barrel end is
It is pointed.
3. neck of femur Kirschner wire as described in claim 1 positions adjustment system, which is characterized in that the honeycomb guider handle
Front end is recessed with holding groove.
4. neck of femur Kirschner wire as described in claim 1 positions adjustment system, which is characterized in that first layer channel and the second layer
Angle between channel is 3 degree.
5. neck of femur Kirschner wire as described in claim 1 positions adjustment system, which is characterized in that first layer channel and third layer
Angle between channel is 6 degree.
6. neck of femur Kirschner wire as described in claim 1 positions adjustment system, which is characterized in that first layer channel and the 4th layer
Angle between channel is 9 degree.
7. neck of femur Kirschner wire as described in claim 1 positions adjustment system, which is characterized in that the first hole of exit face with go out
The third hole centre distance in mouth face is 2.5mm, first hole in first layer channel and the second hole distance 6mm in first layer channel.
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| CN201910650175.XA CN110432970B (en) | 2019-07-18 | 2019-07-18 | Femur neck Kirschner wire positioning adjustment system |
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| CN201910650175.XA CN110432970B (en) | 2019-07-18 | 2019-07-18 | Femur neck Kirschner wire positioning adjustment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111297460A (en) * | 2020-02-25 | 2020-06-19 | 扬州大学附属医院 | Femoral neck fracture percutaneous operation auxiliary device and using method thereof |
| CN112315574A (en) * | 2020-12-16 | 2021-02-05 | 山东大学齐鲁医院(青岛) | PFNA hip compression screw guiding steel needle guiding device and hip compression screw implanting tool |
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| CN111297460B (en) * | 2020-02-25 | 2021-03-09 | 扬州大学附属医院 | Femoral neck fracture percutaneous operation auxiliary device and using method thereof |
| CN112315574A (en) * | 2020-12-16 | 2021-02-05 | 山东大学齐鲁医院(青岛) | PFNA hip compression screw guiding steel needle guiding device and hip compression screw implanting tool |
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