CN108143519A - Collapse of femoral head prosthetic device - Google Patents
Collapse of femoral head prosthetic device Download PDFInfo
- Publication number
- CN108143519A CN108143519A CN201711412230.9A CN201711412230A CN108143519A CN 108143519 A CN108143519 A CN 108143519A CN 201711412230 A CN201711412230 A CN 201711412230A CN 108143519 A CN108143519 A CN 108143519A
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- Prior art keywords
- femoral head
- guide sleeve
- lead
- collapse
- sliding rail
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- 238000010146 3D printing Methods 0.000 claims description 12
- 210000000689 upper leg Anatomy 0.000 claims description 12
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000003902 lesion Effects 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 5
- 230000002980 postoperative effect Effects 0.000 abstract description 4
- 108010048734 sclerotin Proteins 0.000 abstract description 4
- 210000003128 head Anatomy 0.000 description 59
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 210000000988 bone and bone Anatomy 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 235000007926 Craterellus fallax Nutrition 0.000 description 1
- 240000007175 Datura inoxia Species 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 238000002316 cosmetic surgery Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 210000001694 thigh bone Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4607—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of hip femoral endoprostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
- A61F2002/2825—Femur
- A61F2002/2828—Femoral head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
- A61F2002/2835—Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4632—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor using computer-controlled surgery, e.g. robotic surgery
- A61F2002/4633—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor using computer-controlled surgery, e.g. robotic surgery for selection of endoprosthetic joints or for pre-operative planning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4687—Mechanical guides for implantation instruments
Landscapes
- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Abstract
A kind of collapse of femoral head prosthetic device of the present invention, including guide sleeve and lead, the first end of the guide sleeve is used to be mounted on femoral head and the first end of the guide sleeve can be bonded to each other with the femoral head, the lead is used to be inserted into the guide sleeve from the second end of the guide sleeve, and stretched into after the guide sleeve support femoral head in femoral head collapse region, the lead is equipped with one of sliding rail and sliding slot, the inner wall of the guide sleeve is equipped with the other of sliding rail and sliding slot, the sliding rail is adapted to the sliding slot and the sliding rail can slide in the sliding slot.When carrying out collapse of femoral head prosthesis using collapse of femoral head prosthetic device of the present invention, lesions position can be quickly and effectively navigated to, it is convenient and efficient, improve surgical quality, and to the adjusting accurate and effective of lead, normal sclerotin is avoided to be damaged, conducive to postoperative quick recovery.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of collapse of femoral head prosthetic devices.
Background technology
At present, in clinical medicine, collapse of femoral head reparation usually relies on experience and performs the operation compared with the doctor of horn of plenty, and
And the modus operandi of doctor mainly by the outside of near end of thighbone or neck of femur position drill, then determined using X-ray machine
Position so that thimble stretches into the hole and jacks up femoral head and collapse region, need continually to adjust in surgical procedure the position of thimble,
Angle and depth etc. need repeated multiple times positioning to can be only achieved lesions position, there are error greatly and the shortcomings that time-consuming, such as
Fruit lesions position is smaller to talk about then more time and effort consuming, seriously affects surgical quality, extends operating time.And use this hand
Art mode is often there are the error on space and matching degree, i.e., to very bad of the adjusting of the position of thimble, angle and depth
It holds, there is the risk for adjusting mistake, the adjusting of mistake can cause normal sclerotin to be damaged, be unfavorable for postoperative quick recovery, so as to shadow
Ring procedure and recovery effects.
Invention content
It is a primary object of the present invention to provide a kind of collapse of femoral head prosthetic device, it is intended to solve existing collapse of femoral head
The problem of big and inconvenient there are error during prosthesis process.
To achieve the above object, a kind of collapse of femoral head prosthetic device provided by the invention, which is characterized in that including being oriented to
Set and lead, the first end of the guide sleeve be used to be mounted on femoral head and the first end of the guide sleeve can with it is described
Femoral head is bonded to each other, and the lead is used to be inserted into the guide sleeve, and through institute from the second end of the guide sleeve
The region that collapses for supporting femoral head is stretched into femoral head after stating guide sleeve, and the lead is equipped with sliding rail and one in sliding slot
Person, the inner wall of the guide sleeve are equipped with the other of sliding rail and sliding slot, and the sliding rail is adapted to the sliding slot and the cunning
Rail can slide in the sliding slot.
Preferably, the guide sleeve and the lead are 3D printing part.
Preferably, the quantity of the lead is multiple, is set on each lead there are one the sliding rail, set on described
The quantity of the sliding slot in guide sleeve is consistent with the quantity of the sliding rail and is arranged in a one-to-one correspondence with the sliding rail.
Preferably, the angle between the direction of insertion of lead described in any two is at an acute angle.
Preferably, the sliding rail is the strip bulge on the lead peripheral surface, and the sliding slot is and the cunning
The strip groove of rail adaptation.
Preferably, the lead is equipped with graduation mark, and the graduation mark stretches into the stock for identifying the lead
Depth in bone.
Preferably, it is carved with first flag symbol in the position for the sliding slot being corresponded on the outer surface of the guide sleeve.
Preferably, the lead is equipped with operation handle, is carved with and the first flag symbol pair in the operation handle
The second identifier symbol answered.
Preferably, the collapse of femoral head prosthetic device further includes the fixing piece being set on the guide sleeve, described solid
Determine part and be provided with the through-hole passed through for confession Kirschner wire.
Preferably, the guide sleeve and the fixing piece are integrally formed part.
In the inventive solutions, before collapse of femoral head prosthesis is carried out, preoperative planning simulation hand is first passed through
Art quickly and effectively orients the windowing position of lesions position and determining lead stretches into depth, and then neck of femur is carried out
It opens a window, then the first end of the guide sleeve in the collapse of femoral head prosthetic device of the present embodiment is arranged close to the window of neck of femur
Position, and can be bonded with neck of femur, to ensure the effect for positioning and being oriented to.Then lead is inserted from the second end of guide sleeve
Enter in guide sleeve, and the window by neck of femur after guide sleeve stretch into femoral head support femoral head collapse region,
Region jack-up will be collapsed.Due to the design of sliding rail on lead and the inner wall upper hopper chute of guide sleeve so that lead can only edge
Sliding slot slides, easily operated, and position, angle and the glide direction of controllable lead, is led conducive to accurately and effectively adjusting
The depth in femoral head is stretched into column, femoral head is collapsed into region Ding Hui normal positions, then carry out bone grafting filling.Utilize this
When collapse of femoral head prosthetic device carries out collapse of femoral head prosthesis, lesions position can be quickly and effectively navigated to, it is convenient fast
Victory reduces error, improves surgical quality, shortens operating time, and accurate and effective to the adjusting of lead, avoids
Normal sclerotin is damaged, conducive to postoperative quick recovery.Meanwhile the collapse of femoral head prosthetic device also have it is simple in structure, be easy to make
The advantages of making.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic diagram for opening up window in the embodiment of the present invention on femoral head；
Fig. 2 is the use state diagram of the collapse of femoral head prosthetic device of the embodiment of the present invention；
Fig. 3 is the stereoscopic schematic diagram that each lead stretches into femoral head in the embodiment of the present invention；
Fig. 4 is the stereoscopic schematic diagram when guide sleeve of the embodiment of the present invention is mounted on femoral head；
Fig. 5 is the stereoscopic schematic diagram at one visual angle of guide sleeve of the embodiment of the present invention；
Fig. 6 is the stereoscopic schematic diagram at another visual angle of guide sleeve of the embodiment of the present invention；
Fig. 7 is the stereoscopic schematic diagram at the another visual angle of guide sleeve of the embodiment of the present invention；
Fig. 8 is the stereoscopic schematic diagram at the another visual angle of guide sleeve of the embodiment of the present invention；
Fig. 9 is the stereoscopic schematic diagram of the first lead of the embodiment of the present invention；
Figure 10 is the stereoscopic schematic diagram of the second lead of the embodiment of the present invention；
Figure 11 is the stereoscopic schematic diagram of the third lead of the embodiment of the present invention.
Drawing reference numeral explanation：
100th, collapse of femoral head prosthetic device；1st, guide sleeve；11st, sliding slot；2nd, lead；2a, the first lead；2b,
Two leads；2c, third lead；21st, sliding rail；21a, the first sliding rail；21b, the second sliding rail；21c, third sliding rail；22nd, it operates
Handle；3rd, fixing piece；200th, femoral head；201st, window.
The object of the invention is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
Below in conjunction with the attached drawing in the present embodiment, the technical solution in the present embodiment is clearly and completely described,
Obviously, described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts,
It shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used for solving in the present embodiment
Relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc. are released, if this is specific
When posture changes, then directionality instruction also correspondingly changes correspondingly.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for description purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should be interpreted broadly,
For example, " fixation " can be fixedly connected or be detachably connected or integral；Can be mechanical connection or
Electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements or two
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Logical technical staff can be implemented as basis, will be understood that when the combination appearance of technical solution is conflicting or can not realize this
The combination of technical solution is not present, also not the present invention claims protection domain within.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figures 2 to 6, collapse of femoral head prosthetic device 100 provided by the invention includes guide sleeve 1 and lead 2,
The first end of guide sleeve 1 is used to be mounted on femoral head 200 and the first end of guide sleeve 1 can be bonded to each other with femoral head 200,
After i.e. the first end of guide sleeve 1 is mounted on femoral head 200, femoral head that the shape of the first end of guide sleeve 1 can be corresponding
The shape in 200 region exactly matches, and then the first end of guide sleeve 1 is made to be fitted in completely on femoral head 200, improves installation
Accuracy, to ensure the effect for positioning and being oriented to.Lead 2 is used to be inserted into guide sleeve 1 from the second end of guide sleeve 1, and
Stretched into after guide sleeve 1 support femoral head 200 in femoral head 200 collapse region.Wherein, lead 2 is equipped with sliding rail 21
One of with sliding slot 11, the inner wall of guide sleeve 1 is equipped with the other of sliding rail 21 and sliding slot 11, i.e., in one embodiment,
Lead 2 is equipped with sliding rail 21, and the inner wall of guide sleeve 1 is equipped with sliding slot 11, and in other embodiments, lead 2, which is equipped with, to be slided
Slot 11, the inner wall of guide sleeve 1 are equipped with sliding rail 21.The present embodiment is equipped with sliding rail 21 preferably on lead 2, guide sleeve 1
Inner wall is equipped with sliding slot 11, and sliding rail 21 is adapted to sliding slot 11 and sliding rail 21 can slide in sliding slot 11.
Before carrying out femoral head 200 and collapsing prosthesis, first pass through preoperative planning simulation operation and quickly and effectively orient
The windowing position of lesions position and determining lead 2 stretch into depth, are then opened a window to neck of femur (referring to Fig. 1), i.e.,
It punchinges on neck of femur, then the first end of the guide sleeve 1 in the collapse of femoral head prosthetic device 100 of the present embodiment is mounted on stock
On bone 200, the first end of guide sleeve 1 can be bonded to each other with femoral head 200, and the first end of guide sleeve 1 is close to neck of femur
201 position of window, to ensure the effect for positioning and being oriented to.Then, lead 2 is inserted into guide sleeve 1 from the second end of guide sleeve 1
It is interior, and the subsidence area of supporting femoral head 200 is being stretched by the window of neck of femur 201 in femoral head 200 after guide sleeve 1
Domain will collapse region jack-up.Due to the design of the inner wall upper hopper chute 11 of sliding rail 21 and guide sleeve 1 on lead 2 so that be oriented to
Column 2 can only be slided along sliding slot 11, easily operated, and position, angle and the glide direction of controllable lead 2, conducive to accurate
It effectively adjusts lead 2 and stretches into depth in femoral head 200, femoral head 200 is collapsed into region Ding Hui normal positions, then
Carry out bone grafting filling.When collapsing prosthesis using the collapse of femoral head prosthetic device 100 progress femoral head 200, can quickly have
Effect navigates to lesions position, convenient and efficient, reduces error, improves surgical quality, shortens operating time, and to leading
Adjusting to column 2 is accurate and effective, and normal sclerotin is avoided to be damaged, conducive to postoperative quick recovery.Meanwhile the collapse of femoral head reparation
Device 100 also have the advantages that it is simple in structure, be easy to make.
In the present embodiment, guide sleeve 1 and lead 2 all can be 3D printing parts, that is, guide sleeve 1 and lead 2 are preferably adopted
It is molded with 3D printing.Specifically, guide sleeve 1 is the 3D solid mould matched with neck of femur to be accurately fitted in neck of femur outer surface
Type, conducive to the correct installation of guide sleeve 1 is realized, and then improve surgical quality.Also, collapse feelings for the difference of different patients
Condition can pointedly make guide sleeve 1, to ensure surgical effect.
The 3D printing technique of the present embodiment may be used the prior art, 3D printing technique can virtual design more directly,
It is converted into reality more quickly, the 3D physical models of patient tissue organ can be produced, doctor can be according to preoperative optimization
Operation designing scheme carries out simulation operation and more careful surgery planning on 3D physical models, avoids traditional operation institute
Inaccessiable accuracy, high efficiency and simplification.
It should be understood that at present, individuation, precision, minimally invasiveization, long-range be 21 century development of clinical medicine four greatly
Direction, digital technology is to realize the technical support of four great development, and 3D printing technique is the important composition in clinical digital technology
Part.3D printing medical applications are related to reverse-engineering, materialogy, 3D printing technique, Medical Imaging, clinical medicine, calculating
The multi-disciplinary cross-application such as machine Computer Aided Design and auxiliary manufacture.In recent years, with China's 3D printing technique and digital medical
The progress of technology, 3D printing technique combine gradually starting with the substantive of clinical medicine application.Based on 3D printing technique for trouble
The digitlization surgical navigational template of person's personalized designs has been widely used the essence of the operations such as orthopaedics, plastic surgery, oral cavity
In trueization, the operation of precision not only increases surgical quality, but also can reduce unnecessary wound, realizes minimally invasive.
As shown in Figures 2 to 11, in a preferred embodiment, the quantity of lead 2 is multiple, and each lead 2 is equipped with
One sliding rail 21, the quantity of the sliding slot 11 in guide sleeve 1 is consistent with the quantity of sliding rail 21 and is set with the one-to-one correspondence of sliding rail 21
It puts.The present invention is not restricted the quantity of lead 2, and the quantity of lead 2 is three in the present embodiment, and respectively first is oriented to
Column 2a, the second lead 2b and third lead 2c.Sliding rail 21 on first lead 2a is the first sliding rail 21a, and second is oriented to
Sliding rail 21 on column 2b is the second sliding rail 21b, and the sliding rail 21 on third lead 2c is third sliding rail 21c.The inner wall of guide sleeve 1
On open up there are three sliding slot 11, respectively the first sliding groove, second sliding slot and third sliding slot, wherein, the first sliding groove and the first sliding rail
21a is correspondingly arranged, and second sliding slot is correspondingly arranged with the second sliding rail 21b, and third sliding slot is correspondingly arranged with third sliding rail 21c.
Specifically, the collapse of femoral head prosthetic device 100 of the present embodiment in use, can first be inserted into the first lead
The first sliding rail 21a on 2a, the first lead 2a can be slided along the first sliding groove, and adjusting the first lead 2a according to preoperative planning stretches
Enter the depth in femoral head 200, make it that certain position for collapsing region of femoral head 200 be jacked up certain altitude by desired trajectory,
Then the first lead 2a is extracted.Then, it is inserted into the same fashion and adjusts the second lead 2b, make it will by desired trajectory
After the other positions for collapsing region of femoral head 200 jack up certain altitude, the second lead 2b is extracted.Followed by by identical
Mode is inserted into and adjusts third lead 2c, and whole regions that collapses is pushed to return to normal position.It should be noted that this reality
Example is applied not to be restricted the first lead 2a, the second lead 2b and third lead 2c using sequence.
Referring again to Fig. 2, in a preferred embodiment, the guide direction of lead 2 is configured by preoperative planning, and
Different leads 2 can repair the different location for collapsing region.In order to which adjacent lead 2 is made to correspond to collapsing for jack-up
Sunken region can partially overlap, and the angle between the direction of insertion stent of any two lead 2 is at an acute angle, in this way can be with
Gap between the position for collapsing region for avoiding the angle between two leads 2 excessive and causing respectively to jack up is excessive, from
And conducive to collapsing femoral head 200 region gradually and be comprehensively pushed to return to normal position.However, in other examples,
The guide direction of more leads 2 can all be mutually parallel, to adapt to the different collapse of femoral head situations of different patients.
As shown in Fig. 6, Fig. 9 to Figure 11, further, in a more preferred embodiment, sliding rail 21 is outside lead 2
Strip bulge on circumferential surface, sliding slot 11 be with 21 matched strip groove of sliding rail, there is to be easy to making.It is appreciated that
, sliding rail 21 can be abnormity protrusion, for example, the cross section of sliding rail 21 can be in the shape of similar " ten " word, can also be in class
Like the shape of " convex " word.The first sliding rail 21a, the second sliding rail 21b of the present embodiment and the shape of third sliding rail 21c can be item
Shape protrusion or be special-shaped protrusion or a part be strip bulge and another part is that abnormity is raised, can be according to practical need
It flexibly to set.The shape of sliding slot 11 and corresponding 21 shape adaptation of sliding rail.
In the above-described embodiments, the extending direction of sliding rail 21 is consistent with the length extending direction of lead 2, conducive to lead
2 extend along a length thereof direction slip, convenient for adjusting.Further, in a preferred embodiment, lead 2 is equipped with graduation mark,
Graduation mark is for identifying the depth that lead 2 is stretched into femoral head 200, and according to preoperative planning, the lead 2 of the present embodiment stretches into
Depth in femoral head 200 is that the region that collapses of femoral head 200 needs the height jacked up.The setting of graduation mark facilitates medical care
Personnel observe in real time during lead 2 is adjusted, and grasp the situation for collapsing region and being jacked up of femoral head 200, Jin Erti
High surgical quality.It should be understood that the unit of the graduation mark in the present embodiment on each lead 2 is millimeter, graduation mark is corresponding with
Scale value.
In a further embodiment, it is carved with first flag symbol in the position for sliding slot 11 being corresponded on the outer surface of guide sleeve 1.It can
With understanding, the guide sleeve 1 of the present embodiment can be irregular shape, be inserted into the first lead 2a, the second lead 2b and
Before third lead 2c, need to recognize the position for being respectively inserted into guide sleeve 1, therefore, sliding slot is corresponded in the outer surface of guide sleeve 1
First flag symbol is carved in 11 position, facilitates the position for recognizing that each lead 2 is inserted into guide sleeve 1, conducive to the progress of operation.Into one
Step ground, the lead 2 of the present embodiment are equipped with operation handle 22, medical staff are facilitated to operate, be carved in operation handle 22 and first
The corresponding second identifier symbol of identifier, facilitates medical staff to recognize.For example, in the present embodiment on the outer surface of guide sleeve 1
It is carved with the first flag symbol of digital " 1 ", second identifier symbol corresponding with the first flag symbol in the position of corresponding the first sliding groove
Number for " be oriented to 1 ", it is engraved in the operation handle 22 of the first lead 2a；The position of second sliding slot is corresponded on the outer surface of guide sleeve 1
The first flag symbol for being carved with digital " 2 " is put, second identifier symbol corresponding with the first flag symbol is " being oriented to 2 ", is engraved on
In the operation handle 22 of second lead 2b；Corresponded on the outer surface of guide sleeve 1 third sliding slot position be carved with digital " 3 " the
One identifier, second identifier symbol corresponding with the first flag symbol are " being oriented to 3 ", are engraved on the operation of third lead 2c
On handle 22.
Further, in a preferred embodiment, collapse of femoral head prosthetic device 100, which further includes, is set on guide sleeve 1
Fixing piece 3, fixing piece 3 is provided with the through-hole for passing through for Kirschner wire, the first end of guide sleeve 1 is mounted on femoral head
On 200.Offer the through-hole passed through for Kirschner wire on the fixing piece 3 of the present embodiment, Kirschner wire pass through the through-hole by fixing piece 3 with
Femoral head 200 connects, and then guide sleeve 1 is fixed on femoral head 200.The guide sleeve 1 and fixing piece 3 of the present embodiment are integrated
Molded part has the advantages that be easy to make.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of collapse of femoral head prosthetic device, which is characterized in that including guide sleeve and lead, the first end of the guide sleeve
For being mounted on femoral head and the first end of the guide sleeve can be bonded to each other with the femoral head, the lead is used for
It is inserted into the guide sleeve, and femur is supported in femoral head being stretched into after the guide sleeve from the second end of the guide sleeve
Head collapses region, and the lead is equipped with one of sliding rail and sliding slot, the inner wall of the guide sleeve be equipped with sliding rail and
The other of sliding slot, the sliding rail is adapted to the sliding slot and the sliding rail can slide in the sliding slot.
2. collapse of femoral head prosthetic device according to claim 1, which is characterized in that the guide sleeve and the lead
It is 3D printing part.
3. collapse of femoral head prosthetic device according to claim 1, which is characterized in that the quantity of the lead is more
It is a, it is set on each lead there are one the sliding rail, quantity and the sliding rail of the sliding slot in the guide sleeve
Quantity it is consistent and be arranged in a one-to-one correspondence with the sliding rail.
4. collapse of femoral head prosthetic device according to claim 3, which is characterized in that lead described in any two is inserted
The angle entered between direction is at an acute angle.
5. collapse of femoral head prosthetic device according to claim 1, which is characterized in that the sliding rail is set on the guiding
Strip bulge on column peripheral surface, the sliding slot are the strip groove being adapted to the sliding rail.
6. collapse of femoral head prosthetic device according to claim 1, which is characterized in that the lead is equipped with scale
Line, the graduation mark are used to identify the depth that the lead is stretched into the femoral head.
7. collapse of femoral head prosthetic device according to claim 1, which is characterized in that right on the outer surface of the guide sleeve
The position of the sliding slot is answered to be carved with first flag symbol.
8. collapse of femoral head prosthetic device according to claim 7, which is characterized in that the lead is equipped with manipulator
Handle is carved with second identifier symbol corresponding with the first flag symbol in the operation handle.
9. the collapse of femoral head prosthetic device according to any one of claim 1-8, which is characterized in that the femoral head collapses
Sunken prosthetic device further includes the fixing piece being set on the guide sleeve, and the fixing piece is provided with to pass through for Kirschner wire
Through-hole.
10. the collapse of femoral head prosthetic device according to any one of claim 1-8, which is characterized in that the guide sleeve
It is integrally formed part with the fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711412230.9A CN108143519A (en) | 2017-12-23 | 2017-12-23 | Collapse of femoral head prosthetic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711412230.9A CN108143519A (en) | 2017-12-23 | 2017-12-23 | Collapse of femoral head prosthetic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108143519A true CN108143519A (en) | 2018-06-12 |
Family
ID=62465515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711412230.9A Pending CN108143519A (en) | 2017-12-23 | 2017-12-23 | Collapse of femoral head prosthetic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108143519A (en) |
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|---|---|---|---|---|
| CN202437251U (en) * | 2012-01-12 | 2012-09-19 | 刘锋卫 | Electric minimal invasive decompression bone-planting device for femoral head necrosis |
| CN203138650U (en) * | 2013-01-09 | 2013-08-21 | 中国人民解放军军事医学科学院附属医院 | Improved bone marrow core decompression surgical instrument for femoral head necrosis |
| CN205215346U (en) * | 2015-10-23 | 2016-05-11 | 郑朋飞 | Children femoral neck fracture baffle of performing operation |
| CN106618673A (en) * | 2017-03-17 | 2017-05-10 | 西南医科大学附属医院 | Medullary core three-dimensional decompressing device for treating avascular necrosis of femoral head as well as preparing and testing methods based on medullary core three-dimensional decompressing device |
| CN206526109U (en) * | 2016-11-25 | 2017-09-29 | 中山市中医院（广州中医药大学附属中山中医院） | Three-dimensional reverse customized femoral neck fracture operation navigator |
| CN209316149U (en) * | 2017-12-23 | 2019-08-30 | 湖南华翔增量制造股份有限公司 | Collapse of femoral head prosthetic device |
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2017
- 2017-12-23 CN CN201711412230.9A patent/CN108143519A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202437251U (en) * | 2012-01-12 | 2012-09-19 | 刘锋卫 | Electric minimal invasive decompression bone-planting device for femoral head necrosis |
| CN203138650U (en) * | 2013-01-09 | 2013-08-21 | 中国人民解放军军事医学科学院附属医院 | Improved bone marrow core decompression surgical instrument for femoral head necrosis |
| CN205215346U (en) * | 2015-10-23 | 2016-05-11 | 郑朋飞 | Children femoral neck fracture baffle of performing operation |
| CN206526109U (en) * | 2016-11-25 | 2017-09-29 | 中山市中医院（广州中医药大学附属中山中医院） | Three-dimensional reverse customized femoral neck fracture operation navigator |
| CN106618673A (en) * | 2017-03-17 | 2017-05-10 | 西南医科大学附属医院 | Medullary core three-dimensional decompressing device for treating avascular necrosis of femoral head as well as preparing and testing methods based on medullary core three-dimensional decompressing device |
| CN209316149U (en) * | 2017-12-23 | 2019-08-30 | 湖南华翔增量制造股份有限公司 | Collapse of femoral head prosthetic device |
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