CN209075040U - A kind of capitulum radii replacement prosthesis - Google Patents
A kind of capitulum radii replacement prosthesis Download PDFInfo
- Publication number
- CN209075040U CN209075040U CN201820362299.9U CN201820362299U CN209075040U CN 209075040 U CN209075040 U CN 209075040U CN 201820362299 U CN201820362299 U CN 201820362299U CN 209075040 U CN209075040 U CN 209075040U
- Authority
- CN
- China
- Prior art keywords
- capitulum radii
- radii
- capitulum
- articular
- replacement prosthesis
- 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.)
- Expired - Fee Related
Links
Landscapes
- Prostheses (AREA)
Abstract
The utility model discloses a kind of capitulum radii replacement prosthesis, including capitulum radii and radius broach, capitulum radii is the truncated cone-shaped that vertical height is 5.5-8mm, upper end is articular circumference, articular circumference diameter is 16-20mm, articular circumference is recessed inwardly to form articular cavity, the depth capacity of recess is 1.6-1.9mm, capitulum radii lower end is arc groove, the radius broach length is 29-32mm, the linking pedestal of upper end can be interference fitted with arc groove, the radius broach body diameter of lower end is 4.8-8mm, radius broach body interposition is equipped with the arc incision of 5-10mm, arc incision minimum diameter is 4-6mm.The utility model capitulum radii replacement prosthesis, the specification and parameter designing of capitulum radii and radius broach are reasonable, have good stability and safety；It is less prone to the complication such as offset, infection, unstable after prosthetic replacement, medical institutions is suitble to promote the use of.
Description
Technical field
The utility model relates to technical field of clinical medicine, and in particular to a kind of capitulum radii replacement prosthesis.
Background technique
Fracture of head of radius is the common fracture of ancon, accounts for about the 33% of elbow fracture, and caput radii is passed in elbow joint stress
It leads and maintains to play an important role in the stabilization of elbow joint；And Mason III for that can not rebuild, IV type capitulum radii are comminuted
Fracture, especially with the patient of ligament injury, needs row capitulum radii displacement technique.
With the further investigation to capitulum radii morphology and functional imperative, fracture of head of radius is controlled via traditional conservative
The high-energy damage gradually increased in recent years to energetically operative treatment transformation is treated, the complexity of fracture of head of radius is increased
With the interior fixed irregular geometry of difficulty capitulum radii and itself anatomical features, many ask is encountered on operative treatment
Blindness and random replacement and fixation when fixing in topic reduce surgical result artificially in order to improve capitulum radii displacement
Quality, it is preoperative that radius proximal end is accurately measured, so that it is close from radius to formulate the necessary of case artificial radius head
Hold anatomic form understanding, improve caput radii displacement accuracy and fracture fixation reliability, reduce caput radii displacement and
Send out disease.
The key of prosthetic replacement successful surgery is that reconstruction normal anatomy, existing capitulum radii replacement prosthesis are complete as much as possible
The full anatomical shape referring to human body capitulum radii comprising capitulum radii and radius broach, though meet the daily behavior fortune of human body
Dynamic characteristic, but the structure and specification of the prosthese used for radius displacement, capitulum radii replacement prosthesis in the prior art exist
Still there are many defects in structure and on parameters.
Utility model content
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, provide a kind of capitulum radii displacement
Prosthese, the specification and parameter designing of capitulum radii and radius broach are reasonable, have good stability and safety；Prosthetic replacement
After be less prone to the complication such as offset, infection, unstable, be suitble to medical institutions promote the use of.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of capitulum radii replacement prosthesis, including capitulum radii and radius broach, capitulum radii are that vertical height is 5.5-
The truncated cone-shaped of 8mm, upper end are articular circumference, and articular circumference diameter is 16-20mm, and articular circumference is recessed inwardly to form pass
Chamber is saved, the depth capacity of recess is 1.6-1.9mm, and capitulum radii lower end is arc groove, and the radius broach length is 29-
32mm, linking pedestal and the arc groove of upper end can be interference fitted, and the radius broach body diameter of lower end is 4.8-8mm, radius marrow
Needle body interposition is equipped with the arc incision of 5-10mm, and arc incision minimum diameter is 4-6mm.
Preferably, capitulum radii lower end arc groove is interference fit with the pedestal that is connected of radius broach upper end；Rank
Pedestal upper surface is connect as invagination circular arc, the circular arc flange of cooperation is equipped in arc groove.
Preferably, the capitulum radii replacement prosthesis length is 35-40mm.
Preferably, all transition of capitulum radii replacement prosthesis are round and smooth.
The beneficial effects of the utility model are: the utility model capitulum radii replacement prosthesis, capitulum radii and radius broach
Specification and parameter designing it is reasonable, have good stability and safety；It merges preferably, is less prone to partially after prosthetic replacement
The complication such as shifting, infection, unstable, are suitble to medical institutions to promote the use of.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram of capitulum radii replacement prosthesis described in the utility model；
Fig. 2 is the structural schematic diagram of capitulum radii described in the utility model and radius broach；
In attached drawing, parts list represented by the reference numerals are as follows:
1- capitulum radii, 101- articular circumference, 102- articular cavity, 103- arc groove, 104- circular arc flange, 2- radius
Broach, 201- are connected pedestal, 202- invagination circular arc, 203- radius broach body, 204- arc incision.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-2, the utility model is a kind of capitulum radii replacement prosthesis, including capitulum radii 1 and radius
Broach 2, capitulum radii 1 are the truncated cone-shapeds that vertical height is 5.5-8mm, and upper end is articular circumference 101, articular circumference 101
Diameter is 16-20mm, and articular circumference 101 is recessed inwardly to form articular cavity 102, and the depth capacity of recess is 1.6-1.9mm, oar
1 lower end of capitellum is arc groove 103, and 2 length of radius broach is 29-32mm, and the linking pedestal 201 and circular arc of upper end are recessed
Slot 103 can be interference fitted, and 203 diameter of radius broach body of lower end is 4.8-8mm, and 203 interposition of radius broach body is equipped with 5-
The arc incision 204 of 10mm, 204 minimum diameter of arc incision are 4-6mm.
Wherein, 1 lower end arc groove 103 of capitulum radii is interference fit with the pedestal 201 that is connected of 2 upper end of radius broach；
Being connected 201 upper surface of pedestal is invagination circular arc 202, and the circular arc flange 104 of cooperation is equipped in arc groove 103.
Wherein, capitulum radii replacement prosthesis length is 35-40mm.
Wherein, all transition of capitulum radii replacement prosthesis are round and smooth.
Embodiment
As shown in Figs. 1-2, a kind of capitulum radii replacement prosthesis, including capitulum radii 1 and radius broach 2, capitulum radii 1 be
Truncated cone-shaped, upper end are articular circumference 101, and articular circumference 101 is recessed inwardly to form articular cavity 102, and 1 lower end of capitulum radii is
The linking pedestal 201 of arc groove 103,2 upper end of radius broach can be interference fitted with arc groove 103, the radius of lower end
Broach body 203,203 interposition of radius broach body are equipped with the arc incision 204 of 5-10mm；
Capitulum radii replacement prosthesis is reasonable in design, and 1 vertical height of capitulum radii therein is 5.5-8mm；
101 diameter of articular circumference is 16-20mm, and articular circumference 101 is recessed inwardly to form articular cavity 102, recess
Depth capacity is 1.6-1.9mm；
2 length of radius broach is 29-32mm；
203 diameter of radius broach body is 4.8-8mm, and 203 interposition of radius broach body is equipped with the arc incision of 5-10mm
204,204 minimum diameter of arc incision is 4-6mm；
Parameters design the demand of capitulum radii replacement prosthesis of complying fully with, 1 lower end arc groove 103 of capitulum radii with
The linking pedestal 201 of 2 upper end of radius broach is interference fit；Being connected 201 upper surface of pedestal is invagination circular arc 202, arc groove
The circular arc flange 104 of cooperation is equipped in 103；
After being coupled, capitulum radii replacement prosthesis length is 35-40mm, and all transition of capitulum radii replacement prosthesis are equal
It is round and smooth；
The utility model capitulum radii replacement prosthesis, the specification and parameter designing of capitulum radii 1 and radius broach 2 are reasonable,
On the one hand, it is accorded with completely when the design of parameters rationally makes capitulum radii 1 and radius broach 2 as capitulum radii replacement prosthesis
Conjunction demand has good stability and safety；2 stable connection of capitulum radii 1 and radius broach, after prosthetic replacement fusion compared with
It is good, it is less prone to the complication such as offset, infection, unstable；203 interposition of radius broach body is equipped with the arc incision of 5-10mm
204,204 minimum diameter of arc incision is 4-6mm, is matched with the form of most narrow end on radius, reasonable in design, using safe
It is convenient, it is suitble to medical institutions to promote the use of.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. a kind of capitulum radii replacement prosthesis, it is characterised in that: including capitulum radii and radius broach, capitulum radii is vertical height
Degree is the truncated cone-shaped of 5.5-8mm, and upper end is articular circumference, and articular circumference diameter is 16-20mm, and articular circumference concaves
It falls into and forms articular cavity, the depth capacity of recess is 1.6-1.9mm, and capitulum radii lower end is arc groove, and the radius broach is long
Degree is 29-32mm, and linking pedestal and the arc groove of upper end can be interference fitted, and the radius broach body diameter of lower end is 4.8-8mm,
Radius broach body interposition is equipped with the arc incision of 5-10mm, and arc incision minimum diameter is 4-6mm.
2. a kind of capitulum radii replacement prosthesis as described in claim 1, it is characterised in that: capitulum radii lower end circular arc is recessed
Slot is connected pedestal with radius broach upper end for interference fit；Being connected pedestal upper surface is invagination circular arc, is equipped in arc groove
The circular arc flange of cooperation.
3. a kind of capitulum radii replacement prosthesis as described in claim 1, it is characterised in that: the capitulum radii replacement prosthesis is long
Degree is 35-40mm.
4. a kind of capitulum radii replacement prosthesis as described in claim 1, it is characterised in that: the capitulum radii replacement prosthesis institute
There is transition round and smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362299.9U CN209075040U (en) | 2018-03-16 | 2018-03-16 | A kind of capitulum radii replacement prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362299.9U CN209075040U (en) | 2018-03-16 | 2018-03-16 | A kind of capitulum radii replacement prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209075040U true CN209075040U (en) | 2019-07-09 |
Family
ID=67112206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362299.9U Expired - Fee Related CN209075040U (en) | 2018-03-16 | 2018-03-16 | A kind of capitulum radii replacement prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209075040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111388148A (en) * | 2020-04-24 | 2020-07-10 | 北京积水潭医院 | Joint prosthesis for assisting forearm rotation |
-
2018
- 2018-03-16 CN CN201820362299.9U patent/CN209075040U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111388148A (en) * | 2020-04-24 | 2020-07-10 | 北京积水潭医院 | Joint prosthesis for assisting forearm rotation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110393612A (en) | A kind of tibial plateau support and the knee-joint prosthesis using it | |
| CN207012231U (en) | Outside universal lock inner fixing device after a kind of tibial plateau | |
| CN203898501U (en) | Cementless hip joint femoral component | |
| CN203841856U (en) | Cervical vertebra fusion device | |
| CN208942488U (en) | Bone prosthetic appliance | |
| CN209075040U (en) | A kind of capitulum radii replacement prosthesis | |
| CN110192936A (en) | Ankle prosthesis | |
| WO2024088120A1 (en) | Tibial tray prosthesis | |
| CN109330748A (en) | A kind of ankle prosthesis shin bone sidepiece part | |
| CN202086619U (en) | Proximal humerus shoulder joint prosthesis | |
| CN209316157U (en) | A kind of ankle prosthesis shin bone sidepiece part | |
| CN203244471U (en) | Simple combined handle of artificial implanting hip joint | |
| CN203291079U (en) | Hip joint femoral stem replacement | |
| CN203244474U (en) | Hip joint simple combined handle | |
| CN203885593U (en) | Hip joint repositor | |
| CN105266929B (en) | A kind of composable allosome cortex axis of bone is to fusion device | |
| CN109157309A (en) | Proximal tibia filling block prosthese | |
| CN206007345U (en) | A kind of tip can self tapping both sides with seriality rupture screw thread hollow screw | |
| JP2011529347A (en) | Femoral stem and its total hip prosthesis | |
| CN104921796B (en) | A kind of tumorous type knee-joint prosthesis intramedullary needle | |
| CN204379414U (en) | Elastic mesh nail for femoral head | |
| CN203291077U (en) | Medical hip joint prosthesis | |
| CN209316155U (en) | Proximal tibia filling block prosthese | |
| CN208942273U (en) | A kind of hollow Myelocavity file | |
| CN203483544U (en) | Artificial hip joint prosthesis handle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20200316 |