CN107595439A - Artificial prosthesis - Google Patents
Artificial prosthesis Download PDFInfo
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- CN107595439A CN107595439A CN201710915061.4A CN201710915061A CN107595439A CN 107595439 A CN107595439 A CN 107595439A CN 201710915061 A CN201710915061 A CN 201710915061A CN 107595439 A CN107595439 A CN 107595439A
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- prosthese
- induction coil
- artificial prosthesis
- prosthesis according
- prosthese body
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Abstract
The invention provides a kind of artificial prosthesis, including：Prosthese body, friction pair is formed with bone or other prostheses, prosthese body forms rubbing surface with the contact surface of bone or other prostheses；Induction coil, it is arranged in prosthese body, the rubbing surface of induction coil to prosthese body has preset distance；Circuit is detected, is arranged in prosthese body and is connected with induction coil, when induction coil damages, detection circuit can send alarm signal.Technical scheme efficiently solves articular prosthesis excessive wear in the prior art, the problem of being damaged to patient.
Description
Technical field
The present invention relates to medical instruments field, in particular to a kind of artificial prosthesis.
Background technology
At present in joint implant, the material for rubbing surface has metal material, ceramic material and super high molecular weight
Polythene material (or high cross-linking polyethylene materials), wherein ultra-high molecular weight polyethylene (or high cross-linking polyethylene materials) are a kind of
Impact resistance, wear-resistant, self-lubricating property be good and the material of low temperature performance excellent, but in the use process of joint implant
In, the abrasion of polythene material is inevitably caused, prosthese size in use is so may result in and changes, can cause
Make occur unexpected deviation in prosthesis function, such as：Mobility changes, and the problems such as gap occurs in cooperation.
The present this kind of prosthese made of polythene material, go to eliminate without effective mechanism in use and rub,
By much time using, with the aggravation of fretting wear, polythene material prosthese eventually fails.In the situation of no early warning
Under, the abrasion of other annex articular surfaces can be caused (such as：Condyle in knee joint, the bulb in hip joint), patient can be caused more
Big injury.
The content of the invention
The present invention is intended to provide a kind of artificial prosthesis, to solve articular prosthesis excessive wear in the prior art, makes to patient
Into the problem of injury.
To achieve these goals, the invention provides a kind of artificial prosthesis, including：Prosthese body, with bone or other
Prosthese forms friction pair, and prosthese body forms rubbing surface with the contact surface of bone or other prostheses；Induction coil, it is arranged on vacation
In body body, the rubbing surface of induction coil to prosthese body has preset distance；Detect circuit, be arranged in prosthese body and with
Induction coil is connected, and when induction coil damages, detection circuit can send alarm signal.
Further, prosthese body includes accommodating recess and is arranged on the electrical appliance kit accommodated in recess, and electrical appliance kit has court
To the opening of prosthese body, detection circuit is arranged in electrical appliance kit.
Further, it is interference fitted between electrical appliance kit and the side wall for accommodating recess.
Further, flange is provided with the side wall of electrical appliance kit, accommodates to be provided with the side wall of recess and be engaged with flange
Groove, flange extend into the outer surface smoother transition of the outer surface of electrical appliance kit and prosthese body when in groove.
Further, on the outer surface for accommodating the side wall that recess is arranged on prosthese body.
Further, prosthese body is the liner of hip prosthesis.
Further, layout area of the induction coil in prosthese body at least covers rubbing surface.
Further, helically line is distributed induction coil.
Further, the S-shaped reciprocal distribution of induction coil.
Further, detecting circuit includes the controller being connected with induction coil and the signal being connected with controller generation
Device, induction coil damage when, controller can control signal generator send alarm signal.
Further, detection circuit also includes power supply and wireless charging module, controller and wireless charging module with electricity
Source is connected.
Further, the material of prosthese body is polyethylene.
Apply the technical scheme of the present invention, induction coil is arranged in prosthese body, and induction coil and prosthese body
Rubbing surface between there is preset distance.The degree that preset distance can influence sufferer daily life according to prosthese body is carried out
Analysis is calculated, and when the abrasion of prosthese body exceedes preset distance, causes induction coil to damage, and then detection trigger circuit is simultaneously
Alarm signal is sent, enables the patient to that the artificial prosthesis of damage is replaced or repaired in time, avoiding the prosthese of damage influences
The normal life of sufferer.And only need to change the artificial prosthesis worn during operative treatment, reduce treatment cost.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the first angle perspective structure schematic diagram of the embodiment one of the artificial prosthesis according to the present invention；
Fig. 2 shows the second angle perspective structure schematic diagram of Fig. 1 artificial prosthesis；
Fig. 3 shows the detection circuit and induction coil configuration schematic diagram of Fig. 1 artificial prosthesis；
Fig. 4 shows the third angle perspective structure schematic diagram of Fig. 1 artificial prosthesis；
Fig. 5 shows close-up schematic view at Fig. 4 A；
Fig. 6 shows the perspective structure schematic diagram of the embodiment two of the artificial prosthesis according to the present invention；
Fig. 7 shows the first angle structural representation of the embodiment three of the artificial prosthesis according to the present invention；
Fig. 8 shows the second angle perspective structure schematic diagram of Fig. 7 artificial prosthesis；And
Fig. 9 shows the third angle perspective structure schematic diagram of Fig. 7 artificial prosthesis.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, prosthese body；12nd, recess is accommodated；13rd, electrical appliance kit；14th, flange；15th, groove；20th, induction coil；30th, detect
Circuit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the application and its application or makes
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the application protection.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to the proportionate relationship of reality.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once it is defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
Embodiment one：
As depicted in figs. 1 and 2, the artificial prosthesis of embodiment one includes prosthese body 10, induction coil 20 and detection electricity
Road 30.Wherein, prosthese body 10 and bone or other prostheses form friction pair, and prosthese body 10 and bone or other prostheses connect
Touch surface and form rubbing surface.Induction coil 20 is arranged in prosthese body 10, and induction coil 20 arrives the rubbing surface of prosthese body 10
With preset distance.Detection circuit 30 is arranged in prosthese body 10 and is connected with induction coil 20, when induction coil 20 damages,
Detection circuit 30 can send alarm signal.
Prosthese body 10 wears as the increase of usage time can be formed in rubbing surface, when may wear to for prosthese body 10 reaches
When to a certain degree, artificial prosthesis can have a negative impact to sufferer, and increase operating difficulty.Specifically, using polyethylene prosthese as
Example, polyethylene prosthese act the function of mitigating bone (or prosthese) abrasion between being clipped in two harder bones of quality (or prosthese),
When polyethylene prosthese produce noticeable wear when, first the fit dimension between polyethylene prosthese and the bone or prosthese that are engaged and
Matching relationship can change, and may result in beyond the appearance such as distribution of force between bone, prosthese, scope of activities it is expected
Situation, further influence the normal life even secondary injury of acceptor sufferer.Secondly, when polyethylene prosthesis wear seriously arrives prosthese
On when there is hole, it may appear that polyethylene prosthese is failed, and the bone (or prosthese) for causing two quality harder is directly contacted and made
Into abrasion.When patient recognizes that the damage of polyethylene prosthese goes to see a doctor, one side polyethylene prosthese well damage causes to perform the operation
There is abrasion and are also required to Replacement and Repair, increase into treatment cost in difficulty increase, another aspect bone (or prosthese).
Using the technical scheme of the present embodiment, induction coil 20 is arranged in prosthese body 10, and induction coil 20 with
There is preset distance between the rubbing surface of prosthese body 10.Preset distance can influence the daily life of sufferer according to prosthese body 10
Degree living carries out analysis and is calculated, and when the abrasion of prosthese body 10 exceedes preset distance, causes induction coil 20 to damage, enters
And detection trigger circuit 30 and alarm signal is sent, enable the patient to that the artificial prosthesis of damage is replaced or repaired in time,
The prosthese of damage is avoided to influence the normal life of sufferer.And only need to change the artificial prosthesis worn during operative treatment, reduce
Treatment cost.
Preferably, as shown in Figures 1 to 4, the prosthese body 10 of the present embodiment is the liner of hip prosthesis.Hip joint is false
The liner of body is arranged between the bulb of hip prosthesis and outer cup, and outer cup is arranged on hipbone, and liner is arranged in outer cup, ball
Head is connected by femoral stem with femur, and liner is mitigating the friction between bulb and outer cup.Below with hip prosthesis
The operation principle of the prosthese body 10 of lining explanation the present embodiment.
When bulb is placed in liner (prosthese body 10), liner can contact with bulb and produce the surface of friction and be formed
Above-mentioned rubbing surface, rubbing surface are likely to produce the using effect of effect of attrition prosthese body 10, and therefore, induction coil 20 is in vacation
Layout area in body body 10 should at least cover rubbing surface, so that abrasion of the artificial prosthesis in the optional position of liner exceedes in advance
Can be in time to patient feedback when determining degree.Preferably, as shown in Fig. 2 the active region of the induction coil 20 of the present embodiment
Domain is identical with rubbing surface, so ensure that the sensitivity of induction coil 20, improves the utilization rate of coil again.
Preferably, as shown in Fig. 2 the helically line distribution of the induction coil 20 of the present embodiment.The induction coil of the present embodiment
20 first end is located at the immediate vicinity of liner inner surface, and the second end is located at the edge of liner, is connected to first end and the second end
Between induction coil 20 with the arrangements of helix.Because the stress between liner and bulb is not to be uniformly distributed, sense
The density degree of coil 20 is answered to do the adjustment of adaptability according to distribution of force form, to improve the sensitive of induction coil 20
Degree.The induction coil 20 of the present embodiment helix distribution is advantageous to above-mentioned adjustment.In other embodiments, induction coil can also
Rubbing surface is covered by other means.
Specifically, as shown in figure 3, the detection circuit 30 of the present embodiment include the controller that is connected with induction coil 20 and with
The connected signal generator of controller, when induction coil 20 damages, controller can control signal generator send alarm signal.
The first end of induction coil 20 and the second end are connected by lead with controller.Controller is used to receiving, handle and sending signal,
When induction coil 20 damages, the information and control signal generator of the damage of controller induction receiving coil send alarm signal,
Changed with reminding patient's damage of internal lining to need to see a doctor in time.
Alarm signal can be sound, can also peripheral hardware receiver, by wireless signal control receiver make accordingly
Prompt action.Such as voice message, the prompt message of light prompt or other forms.
Further, the detection circuit 30 of the present embodiment also includes power supply and wireless charging module, controller and wireless charging
Electric module is connected with power supply.Power supply provides electric power for controller and signal generator etc. with electric device, when electric quantity of power supply deficiency
When, power supply is powered by wireless charging module, enables the patient to, to power source charges, ensure detection circuit 30 in prosthese from vitro
Continual and steady work before may wear to up to predetermined extent of body 10, and then ensure that detection circuit 30 can timely and reliably be sent out
Go out warning message.
Power supply can select graphene battery, and graphene battery has the advantages that small volume, charging is fast, capacity is big, is applicable
In the less structure in space, and once charging can use for a long time, it is not necessary to which frequent charge, it is convenient to be provided for patient.
Further, as shown in Figure 4 and Figure 5, prosthese body 10 includes accommodating recess 12 and being arranged on accommodating in recess 12
Electrical appliance kit 13, electrical appliance kit 13 have towards prosthese body 10 opening, detection circuit 30 be arranged in electrical appliance kit 13.Above-mentioned knot
Structure makes full use of the space between bone prosthesis and bone, and detection circuit 30 is incorporated into prosthese body 10, avoids the present embodiment
Detection circuit 30 influence patient's normal life.
Further, it is recessed to stretch into receiving for the gap to avoid body fluid from electrical appliance kit 13 and accommodating between the side wall of recess 12
Portion, it is preferably to be interference fitted between the electrical appliance kit 13 of the present embodiment and the side wall for accommodating recess 12.Further specifically, such as Fig. 5
It is shown, flange 14 is provided with the side wall of the electrical appliance kit 13 of the present embodiment, accommodates and is provided with and flange 14 in the side wall of recess 12
The groove 15 being engaged, flange 14 extend into the outer surface of electrical appliance kit 13 and the outer surface smoother of prosthese body 10 when in groove 15
Transition.Flange 14 and groove 15, which are engaged, prevents electrical appliance kit 13 from deviating to accommodate recess 12 during patient motion, influences patient
Normal life.
In other embodiment not shown in figure, electrical appliance kit can also be played close with receiving recess by other forms
Effect is sealed, avoids body fluid from penetrating into and accommodates recess, and then influence the normal operation of detection circuit.
Further, as shown in figure 4, the receiving recess 12 of the present embodiment is arranged on the outer surface of the side wall of prosthese body 10
On.The Impact direction of liner is mainly distributed on above-below direction, relative to above-below direction, the side wall of liner in use by
Pressure it is smaller, be not easily caused detection circuit 30 damage.
In the prosthese body applied to other positions, the less position of other stress can also be arranged on by accommodating recess,
To reduce the possibility of detection circuit damage, extend the service life of artificial prosthesis.
Because the material of the prosthese body of medical the present embodiment is preferably polyethylene, but the material of the prosthese body of the application
Polyethylene is not limited to, the technical scheme of the application, which is applied to rub with object, produces the material of loss.
Embodiment two：
The artificial prosthesis of embodiment two has made improvement to the arrangement of induction coil 20, as shown in fig. 6, embodiment two
The S-shaped reciprocal distribution of induction coil 20.Referring in particular to Fig. 6, the induction coil of embodiment two is back and forth arranged with broken line form, with
Cover above-mentioned rubbing surface.
Embodiment three：
As shown in Figure 7 to 9, the artificial prosthesis of embodiment three is specially knee-joint prosthesis, and the knee joint of embodiment three is false
What body was primarily subjected to is the power between femur and shin bone, and its rubbing surface is as shown in figure 8, be curved surface upward, therefore sense
Coil 20 is arranged on below rubbing surface according to the shape of rubbing surface, and is covered with whole rubbing surface as shown in Figure 9.The knee of the present embodiment
The force-bearing surfaces of articular prosthesis are the upper and lower surface of prosthese, and Impact direction is also vertically, it is preferred that the present embodiment
Receiving recess 12 be arranged on the front side of knee-joint prosthesis, to reduce the pressure of electrical appliance kit 13, and leading induction coil 20
Line along prosthese body 10 circumferentially and with detection circuit 30 be connected.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
Induction coil is arranged in prosthese body, and has pre- spacing between the rubbing surface of induction coil and prosthese body
From.The degree that preset distance can influence sufferer daily life according to prosthese body carries out analysis and is calculated, when prosthese sheet
The abrasion of body exceedes preset distance, causes induction coil to damage, and then detection trigger circuit and sends alarm signal, enables patient
It is enough that the artificial prosthesis of damage is replaced or repaired in time, avoid the prosthese of damage from influenceing the normal life of sufferer.And hand
Art only needs to change the artificial prosthesis worn when treating, and reduces treatment cost.
In the description of the present application, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and closed
System, it is for only for ease of description the application and simplifies description, in the case where not making opposite explanation, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore can not manage
Solve as the limitation to the application protection domain；The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be easy to using the word such as " first ", " second "
Corresponding parts to be distinguished, do not have Stated otherwise such as, above-mentioned word does not have particular meaning, therefore it is not intended that to this
Apply for the limitation of protection domain.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
- A kind of 1. artificial prosthesis, it is characterised in that including：Prosthese body (10), friction pair is formed with bone or other prostheses, the prosthese body (10) and the bone or other The contact surface of prosthese forms rubbing surface；Induction coil (20), it is arranged in the prosthese body (10), the induction coil (20) arrives the prosthese body (10) The rubbing surface there is preset distance；Circuit (30) is detected, is arranged in the prosthese body (10) and is connected with the induction coil (20), the line of induction When enclosing (20) damage, the detection circuit (30) can send alarm signal.
- 2. artificial prosthesis according to claim 1, it is characterised in that the prosthese body (10) includes accommodating recess (12) With the electrical appliance kit (13) being arranged in the receiving recess (12), the electrical appliance kit (13) has towards the prosthese body (10) Opening, it is described detection circuit (30) be arranged in the electrical appliance kit (13).
- 3. artificial prosthesis according to claim 2, it is characterised in that the electrical appliance kit (13) and the receiving recess (12) Side wall between be interference fitted.
- 4. artificial prosthesis according to claim 3, it is characterised in that be provided with flange in the side wall of the electrical appliance kit (13) (14) groove (15) being engaged with the flange (14), the flange, are provided with the side wall for accommodating recess (12) (14) outer surface of the electrical appliance kit (13) and the outer surface of the prosthese body (10) when in the groove (15) is extend into put down Slip over and cross.
- 5. artificial prosthesis according to claim 2, it is characterised in that the receiving recess (12) is arranged on the prosthese sheet On the outer surface of the side wall of body (10).
- 6. artificial prosthesis according to claim 1, it is characterised in that the prosthese body (10) is interior for hip prosthesis Lining.
- 7. artificial prosthesis according to claim 1, it is characterised in that the induction coil (20) is in the prosthese body (10) layout area at least covers the rubbing surface.
- 8. artificial prosthesis according to claim 7, it is characterised in that helically line is distributed the induction coil (20).
- 9. artificial prosthesis according to claim 7, it is characterised in that the S-shaped reciprocal distribution of the induction coil (20).
- 10. artificial prosthesis according to claim 1, it is characterised in that the detection circuit (30) includes and the sensing The connected controller of coil (20) and the signal generator being connected with the controller, when the induction coil (20) is damaged, institute Stating controller can control the signal generator to send alarm signal.
- 11. artificial prosthesis according to claim 10, it is characterised in that the detection circuit (30) also includes power supply and nothing Line charging module, the controller and wireless charging module are connected with the power supply.
- 12. artificial prosthesis according to claim 1, it is characterised in that the material of the prosthese body (10) is polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710915061.4A CN107595439A (en) | 2017-09-29 | 2017-09-29 | Artificial prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710915061.4A CN107595439A (en) | 2017-09-29 | 2017-09-29 | Artificial prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107595439A true CN107595439A (en) | 2018-01-19 |
Family
ID=61068912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710915061.4A Withdrawn CN107595439A (en) | 2017-09-29 | 2017-09-29 | Artificial prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107595439A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115211657A (en) * | 2022-06-29 | 2022-10-21 | 奇瑞商用车（安徽）有限公司 | Brushing structure for brushing equipment and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474274A (en) * | 1980-12-13 | 1984-10-02 | Sachs-Systemtechnik Gmbh | Motor vehicle clutch with an inductive signal transmission between a sensor on the clutch and a stationary indicator |
| US20050010301A1 (en) * | 2003-07-11 | 2005-01-13 | Disilvestro Mark R. | In vivo joint space measurement device and method |
| US20060047283A1 (en) * | 2004-08-25 | 2006-03-02 | Evans Boyd M Iii | In-vivo orthopedic implant diagnostic device for sensing load, wear, and infection |
| US20130281793A1 (en) * | 2011-01-13 | 2013-10-24 | Sensurtec, Inc. | Breach detection in solid structures |
-
2017
- 2017-09-29 CN CN201710915061.4A patent/CN107595439A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474274A (en) * | 1980-12-13 | 1984-10-02 | Sachs-Systemtechnik Gmbh | Motor vehicle clutch with an inductive signal transmission between a sensor on the clutch and a stationary indicator |
| US20050010301A1 (en) * | 2003-07-11 | 2005-01-13 | Disilvestro Mark R. | In vivo joint space measurement device and method |
| US20060047283A1 (en) * | 2004-08-25 | 2006-03-02 | Evans Boyd M Iii | In-vivo orthopedic implant diagnostic device for sensing load, wear, and infection |
| US20130281793A1 (en) * | 2011-01-13 | 2013-10-24 | Sensurtec, Inc. | Breach detection in solid structures |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115211657A (en) * | 2022-06-29 | 2022-10-21 | 奇瑞商用车（安徽）有限公司 | Brushing structure for brushing equipment and use method thereof |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180119 |
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