CN110393611A - Surface hip joint prosthese - Google Patents
Surface hip joint prosthese Download PDFInfo
- Publication number
- CN110393611A CN110393611A CN201910624356.5A CN201910624356A CN110393611A CN 110393611 A CN110393611 A CN 110393611A CN 201910624356 A CN201910624356 A CN 201910624356A CN 110393611 A CN110393611 A CN 110393611A
- Authority
- CN
- China
- Prior art keywords
- femoral head
- hip joint
- outer cup
- groove
- metal outer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000004394 hip joint Anatomy 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 claims description 64
- 229910052751 metal Inorganic materials 0.000 claims description 64
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 210000000689 upper leg Anatomy 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 6
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 4
- 239000002639 bone cement Substances 0.000 description 4
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 3
- 229930003427 Vitamin E Natural products 0.000 description 2
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 description 2
- 239000013528 metallic particle Substances 0.000 description 2
- 229940046009 vitamin E Drugs 0.000 description 2
- 235000019165 vitamin E Nutrition 0.000 description 2
- 239000011709 vitamin E Substances 0.000 description 2
- 101000911772 Homo sapiens Hsc70-interacting protein Proteins 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011540 hip replacement Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 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
- A61F2/30—Joints
- A61F2/32—Joints for the hip
Abstract
The present invention relates to medical instruments fields, disclose a kind of surface hip joint prosthese.The surface hip joint prosthese includes: femoral head prosthesis, femoral head prosthesis includes femoral head on the outer surface for being socketed in the femoral head of human body and is connected with femoral head and the fixed part for being implanted into the femoral head of human body, is formed on the outer surface of the first anti-spin slot and/or fixed part on the inner surface of femoral head matched with the outer surface of the femoral head of human body and is formed with the second anti-spin slot.Surface hip joint prosthese of the invention can ensure itself function of joint and stability in the case of long-term use.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of surface hip joint prosthese.
Background technique
Surface hip joint prosthese is the surgical implant for replacing the human hip of part.It is set for hip joint surface
Hand-off art.Surface hip joint prosthese mainly includes acetabular outer cup prosthese and is set in that acetabular outer cup is false intracorporal to be used for and human body
The femoral head prosthesis of femoral head.Surface hip joint replaces the repair rate and failure rate that can effectively reduce hip replacement, prolongs
Long prosthese service life.
There is also shortcomings for existing surface hip joint prosthese.For example, outside the acetabular bone of existing surface hip joint prosthese
The contact surface of cup prosthesis and femoral head prosthesis is metal covering, frictional force the rubbing much larger than human normal articular surface of two metal coverings
Power is wiped, and two metal covering frictions can generate subtle metallic particles, metallic particles will be present between two metal coverings, influence acetabular bone
The relative motion of outer cup prosthesis and femoral head prosthesis, occur prosthetic joint face locking phenomenon so that acetabular outer cup prosthese with
Lead to the motion failures of prosthese between femoral head prosthesis because losing rotation function.In addition, the spherical shape of existing femoral head prosthesis
The outer surface of inner surface (for being socketed the outer surface of the femoral head of human body) and fixing axle (being fixed for the femoral head with human body)
Be smooth surface, femoral head prosthesis implantation after may be such that femoral head prosthesis spherical inside surface and human femur under loading it
Between and fixing axle outer surface and human body femoral head inside between relative rotation occurs, so as to cause femoral head prosthesis hair
It is raw to loosen or dislocate.
In view of the deficiencies of the prior art, those skilled in the art wish to seek it is a kind of can be in the feelings of long-time service
Ensure under condition itself function of joint and stability surface hip joint prosthese.
Summary of the invention
The purpose of the present invention is to provide a kind of function of joint that can ensure itself in the case of long-term use and surely
Qualitative surface hip joint prosthese.
Surface hip joint prosthese according to the present invention, comprising: femoral head prosthesis, femoral head prosthesis include for being socketed in people
Femoral head on the outer surface of the femoral head of body and it is connected with femoral head and the fixation for being implanted into the femoral head of human body
Portion is formed with the first anti-spin slot and/or fixation on the inner surface of femoral head matched with the outer surface of the femoral head of human body
The second anti-spin slot is formed on the outer surface in portion.
Further, the first anti-spin slot extends the bigger diameter end of femoral head from the miner diameter end of femoral head.
Further, the number of the first anti-spin slot is multiple, and each first anti-spin slot interval setting.
Further, it is also formed in the circumferential direction for the inner surface of femoral head matched with the outer surface of the femoral head of human body
There is first annular slot, first annular slot intersects and is connected to each first anti-spin slot simultaneously.
Further, fixed part is formed as column, and the second anti-spin slot is along the axially extending of fixed part.
Preferably, the number of the second anti-spin slot is multiple.
It is further preferred that each second anti-spin slot is arranged at equal intervals.
It is further preferred that the second ring of each second anti-spin slot is also formed with while run through on the outer surface of fixed part
Shape slot.
Further, surface hip joint prosthese further includes the flexible liner for being set in the outer surface of femoral head, and is arranged
Metal outer cup in the outer surface of flexible liner, wherein it is formed with the first groove on the end face of the bigger diameter end of metal outer cup, first
Groove is connected to the inside of metal outer cup, and the elastic bumps matched with the first groove are formed on the outer peripheral surface of flexible liner,
Elastic bumps on flexible liner can be embedded in the first groove under the effect of external force outside to avoid flexible liner abjection metal
Cup.
Preferably, flexible liner is made of vitamin E stable type crosslinked ultra-high-molecular-weight polyethylene.
Further, the number of the first groove is multiple, and each first groove is arranged at intervals on the bigger diameter end of metal outer cup
End face on.
Further, it is also formed with the second groove on the end face of the bigger diameter end of metal outer cup, the second groove is simultaneously with first
Groove is connected to the outside of metal outer cup.
Preferably, the number of the second groove can be multiple, preferably four, and be spacedly distributed.
Further, positioning protrusion, the bigger diameter end of flexible liner are also formed on the inner peripheral surface of the bigger diameter end of metal outer cup
End face on be formed with the locating slot matched with positioning protrusion, locating slot is connected to the outside of liner.
Further, the handle hole for being used cooperatively with operational instrument is also formed at the top of metal outer cup, outside metal
Fixation hole is also formed on the periphery wall of cup.
Compared with prior art, surface hip joint prosthese of the invention has the advantage that
1) by the way that the first anti-rotation is arranged on the inner surface of femoral head matched with the outer surface of the femoral head of human body
Slot, avoids femoral head prosthesis and relative rotation phenomenon occurs for human femoral head so that femoral head prosthesis and human femoral head
Between connection relationship it is more stable.
2) by the way that the second anti-spin slot is arranged on the outer surface of fixed part, the fixed part and human body of femoral head prosthesis are avoided
Relative rotation phenomenon occurs for femoral head and fixed part deviates from out of human femoral head so that femoral head prosthesis and human body stock
Connection relationship between bone is more stable.
3) by the way that the first groove is arranged on the end face of the bigger diameter end of metal outer cup and on the outer peripheral surface of flexible liner
The elastic bumps matched with the first groove are set, avoid flexible liner abjection metal outer cup so that flexible liner and gold
The connection relationship belonged between outer cup is more stable.
4) by the way that be arranged on the end face of the bigger diameter end of metal outer cup can outside with the first groove and metal outer cup simultaneously
Disassembling section is more convenient when second groove of connection to need to dismantle metal outer cup and flexible liner.
5) by the way that positioning protrusion is arranged on the inner peripheral surface of the bigger diameter end of metal outer cup and in the bigger diameter end of flexible liner
End face on be arranged the locating slot that is matched with positioning protrusion make flexible liner will rapidly and accurately with metal outer cup installation, consolidate
It is fixed, while also avoiding producing relative rotation between flexible liner and metal outer cup.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the cross-sectional view of surface hip joint prosthese according to the present invention；
Fig. 2 is the cross-sectional view of femoral head prosthesis shown in FIG. 1；
Fig. 3 is the bottom view of metal outer cup shown in FIG. 1；
Fig. 4 is the bottom view of flexible liner shown in FIG. 1；
Fig. 5 is the structural schematic diagram of femoral head prosthesis shown in Fig. 1.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
Fig. 1 shows the sectional view of surface hip joint prosthese 100 according to the present invention.As shown in Figure 1, the surface hip joint
Prosthese 100 includes: femoral head prosthesis 1, as shown in Fig. 2, femoral head prosthesis 1 includes the appearance for being socketed in the femoral head of human body
Femoral head 11 on face and it is connected with femoral head 11 and the fixed part 12 for being implanted into the femoral head of human body, such as Fig. 5 institute
Show, be formed on the inner surface of femoral head 11 matched with the outer surface of the femoral head of human body the first anti-spin slot 131 and/or
The second anti-spin slot 132 is formed on the outer surface of fixed part.Surface hip joint prosthese 100 of the invention during installation, by femur
The fixed part 12 of head prosthesis 1 is inserted into the sclerotin in human femoral head fixed part 12 to be fixed on human femoral head, simultaneously
Femoral head 11 is socketed on the outer surface of human femoral head.Wherein, between femoral head 11 and the outer surface of human femoral head,
And bone cement can be inserted between fixed part 12 and human femoral head inside.The present invention passes through in femoral head 11 and human body
The first anti-spin slot 131 is formed on the inner surface that the outer surface of femoral head matches and/or is formed on the outer surface of fixed part 12
There is the second anti-spin slot 132, so that bone cement can enter in the first anti-spin slot and the second anti-spin slot in filling, in the first anti-spin slot
And/or second anti-spin slot and bone cement collective effect under, efficiently avoid the appearance of femoral head 11 Yu human femoral head
Relative rotation between face and between fixed part 12 and human femoral head inside, so that femoral head prosthesis 1 and human femoral head
Be fixedly connected and be not easy to loosen, to fully ensure that the stability of femoral head prosthesis 1 after fixation.In addition, being formed in solid
Determine the on the outer surface in portion 12 second anti-spin slot 132 and also can effectively avoid fixed part 12 to deviate from out of human femoral head, thus into
One step improves the stability of the fixation between femoral head prosthesis 1 and human femoral head, helps to extend surface hip joint prosthese
100 service life.
In preferred embodiment as shown in Figure 2, the first anti-spin slot 131 is set as prolonging from the miner diameter end of femoral head 11
Stretch out the bigger diameter end of femoral head 12.On the one hand the setting increases the length of the first anti-spin slot 131, thus in the first anti-spin slot
It is each provided in 131 whole length and rotates the vertical resistance in direction, to improve the anti-rotation energy of femoral head 11
Power；On the other hand also make the extra bone cement being filled between femoral head 11 and the outer surface of human femoral head can be from first
The open end of anti-spin slot 131 is extruded.
It preferably, can be as shown in Figure 2 by the first anti-spin slot 131 in order to further increase the anti-rotation of femoral head 11
It is set as spaced multiple.It is further preferred that each first anti-spin slot 131 can be arranged at equal intervals.By the setting so that
The stress of the Each part of femoral head 11 is more uniform, help to improve femoral head under the action of by rotary force itself
Structure and the stability of fixation.
In a preferred embodiment, as shown in Fig. 2, the outer surface matching with the femoral head of human body of femoral head 11
May also be formed with first annular slot 141 in the circumferential direction of the inner surface of conjunction, first annular slot 141 simultaneously with each first anti-spin slot 131
Intersect and is connected to.By the setting, so that femoral head 11 is not easy longitudinally to deviate from from human femoral head.
In preferred embodiment as shown in Figure 2, fixed part 12 is formed as column, and the second anti-spin slot 132 can be along fixation
Portion 12 it is axially extending.By the setting, columnar fixed part 12 is easily inserted fixed part 12 in human femoral head, and with
Contact area inside femoral head is bigger, while the anti-spin slot 132 of second be axially arranged helps preferably to avoid femoral head false
Transverse rotation of the body 1 relative to human femoral head.
Preferably, as shown in Fig. 2, in order to further increase the anti-rotation of fixed part 12, the number of the second anti-spin slot 132
It may be configured as multiple.Preferably, each second anti-spin slot 132 can be arranged at equal intervals.By the setting so that each portion of fixed part 12
The stress of separation structure is more uniform, help to improve fixed part 12 under the action of by rotary force self structure and fixation it is steady
It is qualitative.
It is further preferred that can be formed on 12 outer surfaces of fixed part while intersect with each second anti-spin slot 132 and connecting
The second logical annular groove (not shown).By the setting so that fixed part 12 is not easy from human femoral head longitudinally to deviate from.
According to the present invention, as shown in Figure 1, surface hip joint prosthese 100 may also include the appearance for being set in femoral head 11
The flexible liner 3 in face, and it is set in the metal outer cup 2 of the outer surface of flexible liner 3.Wherein, as shown in figure 3, metal outer cup 2
The first groove 211 can be formed on the end face of bigger diameter end, the first groove 211 can be with the inside of metal outer cup 2 (i.e. towards outside metal
The side of the inside of cup 2) connection, it is matched as shown in figure 4, can be formed on the outer peripheral surface of flexible liner 3 with the first groove 211
Elastic bumps 311, the elastic bumps 311 on flexible liner 3 can be embedded in the first groove 211 under the effect of external force to keep away
Exempt from flexible liner 3 and deviates from metal outer cup 2.Flexible liner 3 by the way that the outer surface for being set in femoral head 11 is arranged makes femur
The outer surface on head 11 and the inner surface of metal outer cup 2 are not directly contacted with, and are rubbed so as to avoid the direct contact because of two metal coverings
It wipes and generates abrasive grain and lead to that locking phenomenon occurs between metal outer cup 2 and femoral head prosthesis 1.
According to the present invention, flexible liner 3 can be made of vitamin E stable type crosslinked ultra-high-molecular-weight polyethylene.It is given birth to by dimension
Flexible liner 3 made of plain E stable type crosslinked ultra-high-molecular-weight polyethylene is wear-resisting, in the inner surface and femoral head of flexible liner 3
When 1 appearance face contact of prosthese rubs, the service life of surface hip joint prosthese 100 is still ensured that.
In a preferred embodiment, the number of the first groove 211 can be multiple, and each first groove 211 can be spaced
It is arranged on the end face of the bigger diameter end of metal outer cup 2.By the setting so that metal outer cup 2 and the connection of flexible liner 3 are more steady
It is fixed.
Further, it may also be formed with the second groove 212 on the end face of the bigger diameter end of metal outer cup 2, the second groove 212 can
It is connected to simultaneously with the outside of the first groove 211 and metal outer cup 2.The setting of second groove 212 for (such as needing when needed
Overhaul) it is to dismantle flexible liner 3 from metal outer cup 2 to provide operating space, such as extracting tool can be recessed by insertion second
Slot 212 simultaneously agitates flexible liner 3 so that flexible liner 3 is detached from metal outer cup 2.
Preferably, the number of the second groove 212 can be multiple, and be spacedly distributed.Operator's energy is convenient in the setting
It is enough that flexible liner 3 is dismantled in a plurality of directions, to improve the flexibility of disassembling section.Preferably, second groove 212
Number is four.
Further, as shown in figure 3, may also be formed with positioning protrusion 22, bullet on the inner peripheral surface of the bigger diameter end of metal outer cup 2
Property liner 3 bigger diameter end end face on be formed with the locating slot 32 matched with positioning protrusion 22, locating slot 32 and liner 3 it is outer
Side connection.Can be rapidly and accurately installed and fixed with metal outer cup 2 convenient for flexible liner 3 by the setting, at the same also into
One step avoids the relative rotation between flexible liner 3 and metal outer cup 2.
According to the present invention, as shown in figure 3, the top of metal outer cup 2 may also be formed with for being used cooperatively with operational instrument
Handle hole 23, may also be formed with fixation hole 24 on the periphery wall of metal outer cup 2.By being set on the periphery wall of metal outer cup 2
Fixation hole 24 is set to make that relative position pass of the fixing glue to fix metal outer cup 2 and human body acetabular bone position can be hammered into fixation hole 24
System, avoids metal outer cup 2 from loosening on human body acetabular bone position, makes gold by the way that handle hole 23 is arranged at the top of metal outer cup 2
Belong to outer cup 2 and the fixed operation at human body acetabular bone position is flexible.
Compared with prior art, surface hip joint prosthese 100 of the invention has the advantage that
1) anti-by the way that first is arranged on the inner surface of femoral head 11 matched with the outer surface of the femoral head of human body
Spin slot 131, avoids femoral head prosthesis 1 and relative rotation phenomenon occurs for human femoral head so that femoral head prosthesis 1 and people
Connection relationship between body femoral head is more stable.
2) by the way that the second anti-spin slot 132 is arranged on the outer surface of fixed part 12, the fixed part of femoral head prosthesis 1 is avoided
12 deviate from out of human femoral head so that femoral head is false with human femoral head generation relative rotation phenomenon and fixed part 12
Connection relationship between body 1 and human femoral head is more stable.
3) by the way that the first groove 211 is arranged on the end face of the bigger diameter end of metal outer cup 2 and in the periphery of flexible liner 3
The elastic bumps 311 that match with the first groove 211 are set on face, avoid the abjection metal outer cup 3 of flexible liner 2 so that
Connection relationship between flexible liner 3 and metal outer cup 2 is more stable.
4) by be arranged on the end face of the bigger diameter end of metal outer cup 2 can simultaneously with the first groove 211 and metal outer cup 2
Disassembling section is more convenient when second groove 212 of outside connection to need to dismantle metal outer cup 2 and flexible liner 3.
5) by the way that positioning protrusion 22 is arranged on the inner peripheral surface of the bigger diameter end of metal outer cup 2 and in the big of flexible liner 3
The locating slot 32 matched with positioning protrusion 22 is arranged on the end face at diameter end makes flexible liner will be rapidly and accurately and outside metal
Cup installation is fixed, while also avoiding producing relative rotation between flexible liner 3 and metal outer cup 2.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.Especially, as long as there is no knots
Structure conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The present invention does not limit to
In specific embodiment disclosed herein, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of surface hip joint prosthese characterized by comprising femoral head prosthesis, the femoral head prosthesis include for covering
It connects the femoral head on the outer surface of the femoral head of human body and is connected and is used to be implanted into the femur of human body with the femoral head
It is anti-to be formed with first on the inner surface of the femoral head matched with the outer surface of the femoral head of human body for fixed part in head
The second anti-spin slot is formed on the outer surface of spin slot and/or the fixed part.
2. surface hip joint prosthese according to claim 1, which is characterized in that the first anti-spin slot is from the femoral head
The miner diameter end in portion extends the bigger diameter end of the femoral head.
3. surface hip joint prosthese according to claim 2, which is characterized in that the number of the first anti-spin slot is more
It is a, and each first anti-spin slot interval setting.
4. surface hip joint prosthese according to claim 3, which is characterized in that the femur with human body of the femoral head
Be also formed with first annular slot in the circumferential direction of inner surface that the outer surface of head matches, the first annular slot simultaneously with it is each described
First anti-spin slot intersects and is connected to.
5. surface hip joint prosthese according to claim 1, which is characterized in that the fixed part is formed as column, described
Second anti-spin slot is along the axially extending of the fixed part.
6. surface hip joint prosthese according to any one of claim 1 to 5, which is characterized in that the surface hip joint
Prosthese further includes the flexible liner for being set in the outer surface of the femoral head, and be set in the outer surface of the flexible liner
Metal outer cup, wherein the first groove, first groove and the gold are formed on the end face of the bigger diameter end of the metal outer cup
Belong to the inside connection of outer cup, be formed with the elastic bumps matched with first groove on the outer peripheral surface of the flexible liner,
Elastic bumps on the flexible liner can be embedded in first groove under the effect of external force to avoid in the elasticity
Lining deviates from the metal outer cup.
7. surface hip joint prosthese according to claim 6, which is characterized in that the number of first groove be it is multiple,
And on the end face of each first groove bigger diameter end for being arranged at intervals on the metal outer cup.
8. surface hip joint prosthese according to claim 6, which is characterized in that the end face of the bigger diameter end of the metal outer cup
On be also formed with the second groove, second groove is connected to the outside of first groove and the metal outer cup simultaneously.
9. surface hip joint prosthese according to claim 8, which is characterized in that the inner circumferential of the bigger diameter end of the metal outer cup
It is also formed with positioning protrusion on face, is formed on the end face of the bigger diameter end of the flexible liner and matches with the positioning protrusion
Locating slot, the locating slot are connected to the outside of the liner.
10. surface hip joint prosthese according to claim 6, which is characterized in that the top of the metal outer cup is also formed
There is the handle hole for being used cooperatively with operational instrument, is also formed with fixation hole on the periphery wall of the metal outer cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624356.5A CN110393611A (en) | 2019-07-11 | 2019-07-11 | Surface hip joint prosthese |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624356.5A CN110393611A (en) | 2019-07-11 | 2019-07-11 | Surface hip joint prosthese |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110393611A true CN110393611A (en) | 2019-11-01 |
Family
ID=68325416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910624356.5A Pending CN110393611A (en) | 2019-07-11 | 2019-07-11 | Surface hip joint prosthese |
Country Status (1)
| Country | Link |
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| CN (1) | CN110393611A (en) |
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| CN112618112A (en) * | 2020-11-27 | 2021-04-09 | 北京市春立正达医疗器械股份有限公司 | Superficial hip prosthesis for hip dysplasia |
| CN116269946A (en) * | 2023-05-12 | 2023-06-23 | 北京爱康宜诚医疗器材有限公司 | Femoral head surface replacement prosthesis |
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|---|---|---|---|---|
| CN112618112A (en) * | 2020-11-27 | 2021-04-09 | 北京市春立正达医疗器械股份有限公司 | Superficial hip prosthesis for hip dysplasia |
| CN112618112B (en) * | 2020-11-27 | 2023-09-19 | 北京市春立正达医疗器械股份有限公司 | Surface hip joint prosthesis for hip joint dysplasia |
| CN116269946A (en) * | 2023-05-12 | 2023-06-23 | 北京爱康宜诚医疗器材有限公司 | Femoral head surface replacement prosthesis |
| CN116269946B (en) * | 2023-05-12 | 2023-10-27 | 北京爱康宜诚医疗器材有限公司 | Femoral head surface replacement prosthesis |
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