CN209564263U - Liner erector - Google Patents
Liner erector Download PDFInfo
- Publication number
- CN209564263U CN209564263U CN201821571713.3U CN201821571713U CN209564263U CN 209564263 U CN209564263 U CN 209564263U CN 201821571713 U CN201821571713 U CN 201821571713U CN 209564263 U CN209564263 U CN 209564263U
- Authority
- CN
- China
- Prior art keywords
- liner
- chuck
- erector
- driven member
- supporting sephere
- 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.)
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Links
- 239000000725 suspension Substances 0.000 claims abstract description 22
- 210000000078 claw Anatomy 0.000 claims description 31
- 238000009434 installation Methods 0.000 description 7
- 238000002513 implantation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 210000000588 acetabulum Anatomy 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002391 femur head Anatomy 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Prostheses (AREA)
Abstract
The utility model proposes a kind of liner erectors, part is protruded into including can stretch to inside of human body, and liner can be driven with the gimbal suspension for protruding into part and stretching to inside of human body, wherein, the part that protrudes into is with inserting end, the gimbal suspension is fixedly connected with the inserting end for protruding into part, with after secure liner, described protrude into has the freedom of motion relatively rotated at least two directions between part and liner.The utility model can install safely and efficiently liner.
Description
Technical field
The utility model belongs to Endoprostheses equipment technical field more particularly to a kind of liner erector.
Background technique
It is well known that replacing natural Bones and joints that are that oneself is damaged or ruining with prosthesis assembly.For example, oneself nature through degenerating
Hip joint can joint replacement, the joint prosthesis include manually the prosthetic hip acetabulum component of implantation patient's acetabular bone, and implantation is suffered from
Prosthese femur head assembly in person's femur, with prosthetic hip acetabulum member hinges.The 1980s, China began to use import ceramic
Liner and bulb, so as to be used in joint replacement.Using ceramic-lined and bulb scheme, so that frictional interface has superelevation hard
The advantage of degree and ultra-low abrasion becomes successfully reply bone dissolution and extends the preferred option of prosthese service life, meanwhile,
The bulb that major diameter can be matched provides bigger mobility and more reliable stability, and then meets higher and more need
It asks.
However, the splintering problem of ceramic material annoyings always medical personnels: during existing installation liner, needing
It wants medical personnel rule of thumb to determine the whether correct normotopia of liner, liner is accurately fixed to the designated position of human body, it should
Kind mode makes the success rate disposably installed to liner low, especially when installing ceramic-lined, loses once judgement occurs
Accidentally, ceramic-lined generation will be caused damaged.
Utility model content
The utility model is directed to above-mentioned technical problem of the existing technology, and it is disposable to liner to propose that one kind can be improved
The liner erector of the success rate of installation.
In order to achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of liner erector including can stretch to the part that protrudes into of inside of human body, and can drive liner to stretch with part is protruded into
Enter to the gimbal suspension of inside of human body, wherein for the part that protrudes into inserting end, the gimbal suspension protrudes into stretching for part with described
Enter end to be fixedly connected, with after secure liner, described protrude into has opposite turn at least two directions between part and liner
Dynamic freedom of motion.
Preferably, the part that protrudes into is rod piece.
Preferably, the gimbal suspension includes supporting sephere, and the driven member that liner can be driven mobile, the support
Sphere is fixedly connected with the inserting end for protruding into part, and the driven member has support recess portion, the inner surface of the support recess portion
For spherical surface, the support recess portion is socketed on the outside of the supporting sephere, so that the driven member is along the supporting sephere
Spherical rotation.
Preferably, the first limiting section is fixedly installed on the support recess portion, first limiting section and the support
Sphere contact, to limit the supporting sephere to the external mobile of the support recess portion.
Preferably, the support recess portion has multiple first claws, first claw is arranged along circular direction interval,
To embrace the supporting sephere from surrounding, each first claw all has first limiting section.
Preferably, the gimbal suspension further includes the chuck that can be clamped with liner, the chuck is hollow, the chuck set
Set on the supporting sephere or the outside for protruding into part, the chuck has the second limiting section, to limit liner to chuck
Outside is mobile.
Preferably, the chuck in close to the driven member side have multiple second claws, multiple described second
Claw is arranged along circular direction interval, and to embrace liner from surrounding, each second claw all has second limiting section.
Preferably, the driven member has the contact surface that can be contacted with liner, the contact surface is spherical surface.
Preferably, the utility model liner erector further includes handle, the handle is fixedly connected with the part that protrudes into.
Compared with prior art, it the advantages of the utility model and has the active effect that
The utility model liner erector protrudes into part and gimbal suspension by setting, during liner is installed, so that
Liner can on gimbal suspension flexible rotating angle, so as to quickly adjust implant angle, to be directed at implantation prosthese, after
And when liner and prosthese contact, can automatic capturing, to be accurately implanted into prosthese；Therefore, the utility model liner is installed
Device can significantly compensate for installation error caused by due to the micro-judgment of medical worker, so as to disposably that liner is accurate
Fixed in prosthese, significantly improving the success rate disposably installed to liner, and then significantly improve joint replacement surgery
Efficiency, while can be avoided liner and being damaged.
Detailed description of the invention
Fig. 1 is overall structure diagram when a kind of embodiment of the utility model liner erector uses；
Fig. 2 is the configuration schematic diagram of Fig. 1；
Fig. 3 is the configuration schematic diagram of liner erector in Fig. 1；
Fig. 4 is the structural schematic diagram of driven member in Fig. 1；
Fig. 5 is the structural schematic diagram of chuck in Fig. 1；
In above each figure: 1, protruding into part；2, gimbal suspension；3, supporting sephere；4, driven member；5, recess portion is supported；6, first
Limiting section；7, the first claw；8, chuck；9, the second limiting section；10, the second claw；11, contact surface；12, handle；13, end face；
14, groove；15, handle body；16, bearing member；17, fixing seat.
Specific embodiment
In the following, the utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having
In the case where being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
In the description of the present invention, it should be noted that term "inner", "outside", "upper", "lower", "front", "rear" etc.
The orientation or positional relationship of instruction is positional relationship based on the figure, is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.
Referring to Fig. 1 to Fig. 5, a kind of liner erector, for during joint replacement install liner (such as ceramics in
Lining), in order to improve the success rate disposably installed to liner, the liner erector include can stretch to inside of human body protrude into part
1, and liner can be driven with the gimbal suspension 2 for protruding into part 1 and stretching to inside of human body, wherein part 1 is protruded into inserting end, is made
Used time drives inserting end to stretch to inside of human body by the hand-held other end for protruding into part 1, gimbal suspension 2 with protrude into protruding into for part 1
End is fixedly connected, after secure liner, to protrude between part 1 and liner the fortune at least two directions with relative rotation
Dynamic freedom degree, motion principle can be found in ball-joint or Hooks coupling universal coupling.
Based on above-mentioned, the utility model liner erector, part 1 and gimbal suspension 2 are protruded by setting, in installation liner
In the process, enable liner flexible rotating angle on gimbal suspension 2, so as to quickly adjust implant angle, with right
Quasi- implantation prosthese, then when liner and prosthese contact, can automatic capturing, to be accurately implanted into prosthese；Therefore, this is practical
Novel lining erector can significantly compensate for installation error caused by due to the micro-judgment of medical worker, so as to primary
Liner is accurately fixed in prosthese by property, significantly improves the success rate disposably installed to liner, and then significantly improve pass
The efficiency of replacement operation is saved, while can be avoided liner and being damaged.In addition, the utility model liner erector is holder
Tool reduces contact of the hand with wound instead of original hand-held mounting means, thereby reduces infection probability.
Preferably, in the embodiment shown in fig. 1, protruding into part 1 is rod piece (such as round rod piece), height is conducive to this
The inside of human body is efficient stretched to, while reducing a possibility that colliding with the human body.
For the structure of gimbal suspension 2, in the embodiment shown in Fig. 1 to Fig. 4, gimbal suspension 2 includes supporting sephere 3,
And the driven member 4 that liner can be driven mobile, supporting sephere 3 are fixedly connected with the inserting end for protruding into part 1, driven member 4 has branch
Recess portion 5 is supportted, the inner surface of support recess portion 5 is spherical surface, and support recess portion 5 is socketed on the outside of supporting sephere 3, so that 4 edge of driven member
The spherical rotation of supporting sephere 3, the movement between driven member 4 and supporting sephere 3 at this time be ball-joint movement.
Specifically, as shown in Figures 1 to 4, supporting sephere 3 is integrated by modes such as welding with the inserting end for protruding into part 1
It being fixedly connected, driven member 4 is hemispherical, i.e., driven member 4 has the contact surface 11 that can be contacted with liner, and contact surface 11 is spherical surface,
To contact with inner lining surface fitting, so as to improve stability when driven member 4 is connect with liner, driven member 4 also has end
Face 13 opens up fluted 14 on end face 13, and the inside of groove 14 is fixedly installed support recess portion 5, supports and is fixedly installed on recess portion 5
There is the first limiting section 6, the first limiting section 6 is contacted with supporting sephere 3, is moved to limit supporting sephere 3 to the external of support recess portion 5
Dynamic, so as to improve the stability connected between driven member 4 and supporting sephere 3, support recess portion 5 preferably has multiple first cards
Pawl 7, the first claw 7 are preferably elastic card claw, and along the setting of circular direction interval, (preferably annular array is set multiple first claws 7
Set, multiple first claws 7 are equidistantly arranged along circular direction at this time), to embrace supporting sephere 3 from surrounding, thus to driven
When part 4 and supporting sephere 3 are dismounted, adaptability deformation can quickly occur for the first claw 7, to realize driven member 4 and support
Efficient connection and efficiently disengaging between sphere 3, and then improve the working efficiency of liner installation process；At this point, each first card
Pawl 7 all has the first limiting section 6, and the first limiting section 6 is located at the open end of groove 14, and the first limiting section 6 is preferably limited block,
First limiting section 6 is arc-shaped, and the first limiting section 6 extends along the orientation of multiple first claws 7, is being worked as and support ball with this
When body 3 contacts, the contact area of the first limiting section 6 and supporting sephere 3 can be improved, so as to improve driven member 4 and support
The stability connected between sphere 3.
It is universal in Fig. 1 into embodiment shown in fig. 5 in order to further increase stability of the liner on gimbal suspension 2
Joint 2 further includes the chuck 8 that can be clamped with liner, the hollow setting of chuck 8, i.e. the middle part of chuck 8 offers through-hole, and chuck 8 is logical
The outside that through-hole is sheathed on supporting sephere 3 (or protruding into part 1) is crossed, chuck 8 has the second limiting section 9, to limit liner to chuck 8
It is external mobile.
Based on above-mentioned, the utility model liner erector, by the way that chuck 8 is arranged, during liner is installed, can incite somebody to action
Liner is clamped, is clamped, so that keeping more stable contact between liner and driven member 4, that is, liner is avoided to be detached from driven member 4,
To improve stability of the liner on gimbal suspension 2, and then liner efficiently can be transported to required position.
Continue as shown in Figures 1 to 5, the structure of gimbal suspension 2 is further specifically: chuck 8 is in close to the one of driven member 4
Side has multiple second claws 10, and the second claw 10 is preferably elastic card claw, multiple second claws 10 along it is round (preferably with card
The through-hole of disk 8 is coaxial) (preferably annular array is arranged the setting of direction interval, and multiple first claws 7 are between circular direction etc. at this time
Away from arrangement), to embrace liner from surrounding, so that adaptability can quickly occur for the second claw 10 when dismounting to liner
Deformation to realize the efficient connection between liner and chuck 8 and efficiently be detached from, and then improves the work effect of liner installation process
Rate；At this point, each second claw 10 all has the second limiting section 9, the second claw 10 has close to the end of driven member 4, second
Limiting section 9 is located at the second claw 10 close to the end of driven member 4, and the second limiting section 9 is preferably limited block, and the second limiting section 9 is in
Arc-shaped, the second limiting section 9 extends along the orientation of multiple second claws 10, with this when being contacted with liner, Neng Gouti
The contact area of high second limiting section 9 and liner, so as to improve the stability connected between liner and chuck 8；Driven member 4
End face 13 preferably with chuck 8 fitting contact, i.e., the diameter of driven member 4 be greater than 8 through-hole of chuck diameter, thus on the one hand taking
Out when liner erector, driven member 4 and chuck 8 can be taken out of together, without having to worry about there is instrument to stay in the body, another party
Face improves the stability between driven member 4 and chuck, and then further improves the stability in liner installation process.
In order to facilitate manipulation, in the embodiment shown in fig. 1, the utility model liner erector further includes handle 12, hand
Handle 12 is fixedly connected with part 1 is protruded into, can be convenient for manipulation, so as to further increase the efficiency of liner installation with this.
Specifically, handle 12 includes handle body 15, bearing member 16 and fixing seat 17, wherein the outside of handle body 15
It is coated with rubber, with the friction between increase and hand, consequently facilitating holding, one end of handle body 15 and the fixed company of bearing member 16
It connects, the other end of handle body 15 is fixedly connected with fixing seat 17, and bearing member 16 is used to bear extraneous impact force, when interior
After lining is accurately fixed to prosthese, by tapping bearing member 16 so that chuck 8 is rapidly separated with liner, fixing seat 17 with protrude into part 1
It is preferred that the mode being connected through a screw thread is detachably fixed connection, in order to replace in time.
Illustrate the utility model in order to clearer, below with regard to the utility model by taking Fig. 1 to embodiment shown in fig. 5 as an example
The ceramic-lined operation of middle installation is illustrated:
Firstly, checking each components good working condition；
Check it is errorless after, chuck 8 is sheathed on to the outside for protruding into part 1, driven member 4 is passed through into the first claw 7 and support ball
Body 3 is clamped；
Part 1 is protruded into rotation, to check the activity of each freedom degree, and guarantees that supporting sephere 3 and the connection of driven member 4 are in
Smooth no clamping stagnation state；
It selects in the ceramic-lined push-in driven member 4 that will be implanted into, while chuck 8 is pushed to ceramic-lined and passes through second
Claw 10 is firmly blocked ceramic-lined；
It is implanted into ceramic-lined in corresponding prosthese, during implantation, since there are two rotation sides for ceramic-lined tool
To, that is, reach universal freedom degree, therefore it is while being implanted into prosthese, can automatic adjusting position, to reach aligned position
Purpose；
After ceramic-lined implantation prosthese, bearing member 16, while hearing a sound of " click ", chuck 8 are gently tapped
Pop-up, it is ceramic-lined to be successfully implanted into, while ceramic-lined erector being taken out, at this time due to the diameter of 8 through-hole of chuck be less than from
The diameter of moving part 4 can take together chuck 8 and driven member 4 out of when taking out ceramic-lined erector, without having to worry about there is device
Tool stays in the body.
Claims (9)
1. a kind of liner erector, it is characterised in that: protrude into part (1) including can stretch to inside of human body, and in can driving
Lining stretches to the gimbal suspension (2) of inside of human body with part (1) is protruded into, wherein
With inserting end, the gimbal suspension (2) is fixedly connected with the inserting end for protruding into part (1) for described protrude into part (1), with
After secure liner, described protrude into has the freedom of motion relatively rotated at least two directions between part (1) and liner
Degree.
2. liner erector according to claim 1, it is characterised in that: described protrude into part (1) is rod piece.
3. liner erector according to claim 1, it is characterised in that: the gimbal suspension (2) includes supporting sephere
(3), and driven member (4) that liner can be driven mobile, the supporting sephere (3) are fixed with the inserting end for protruding into part (1)
Connection, the driven member (4) have support recess portion (5), and the inner surface of support recess portion (5) is spherical surface, the support recess portion
(5) it is socketed on the outside of the supporting sephere (3), so that the driven member (4) turns along the spherical surface of the supporting sephere (3)
It is dynamic.
4. liner erector according to claim 3, it is characterised in that: be fixedly installed on the support recess portion (5)
One limiting section (6), first limiting section (6) contact with the supporting sephere (3), to limit the supporting sephere (3) to institute
State the external mobile of support recess portion (5).
5. liner erector according to claim 4, it is characterised in that: the support recess portion (5) has multiple first cards
Pawl (7), first claw (7) is arranged along circular direction interval, each described to embrace the supporting sephere (3) from surrounding
First claw (7) all has first limiting section (6).
6. liner erector according to claim 3, it is characterised in that: the gimbal suspension (2) further includes can be with liner
The chuck (8) of clamping, the chuck (8) is hollow, and the chuck (8) is sheathed on the supporting sephere (3) or described protrudes into part (1)
Outside, the chuck (8) has the second limiting section (9), to limit liner to the external mobile of chuck (8).
7. liner erector according to claim 6, it is characterised in that: the chuck (8) is in close to the driven member (4)
Side have multiple second claws (10), multiple second claws (10) along circular direction interval be arranged, with from surrounding embrace
Firmly liner, each second claw (10) all have second limiting section (9).
8. the liner erector according to any one of claim 3-7, it is characterised in that: the driven member (4) has can
The contact surface (11) contacted with liner, the contact surface (11) are spherical surface.
9. liner erector described in any one of -7 according to claim 1, it is characterised in that: it further include handle (12), it is described
Handle (12) is fixedly connected with the part (1) that protrudes into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571713.3U CN209564263U (en) | 2018-09-26 | 2018-09-26 | Liner erector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571713.3U CN209564263U (en) | 2018-09-26 | 2018-09-26 | Liner erector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209564263U true CN209564263U (en) | 2019-11-01 |
Family
ID=68320581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821571713.3U Active CN209564263U (en) | 2018-09-26 | 2018-09-26 | Liner erector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209564263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044570A (en) * | 2018-09-26 | 2018-12-21 | 山东威高海星医疗器械有限公司 | Liner erector |
-
2018
- 2018-09-26 CN CN201821571713.3U patent/CN209564263U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044570A (en) * | 2018-09-26 | 2018-12-21 | 山东威高海星医疗器械有限公司 | Liner erector |
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| GR01 | Patent grant |