CN202892064U - Artificial amphiarthrosis with built-in spring - Google Patents
Artificial amphiarthrosis with built-in spring Download PDFInfo
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- CN202892064U CN202892064U CN 201220526614 CN201220526614U CN202892064U CN 202892064 U CN202892064 U CN 202892064U CN 201220526614 CN201220526614 CN 201220526614 CN 201220526614 U CN201220526614 U CN 201220526614U CN 202892064 U CN202892064 U CN 202892064U
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- amphiarthrosis
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Abstract
The utility model discloses an artificial amphiarthrosis with a built-in spring. The artificial amphiarthrosis with the built-in spring comprises a first assembly, a second assembly and an elastic connecting part, wherein the first connecting assembly comprises a thread part and a tail part and the tail part is provided with prismatic shaped grooves or protrusions; the second assembly is a hollow column, one end of the second assembly is a terminal end part, the other end of the second assembly is a front end part, and the front end part is connected with the elastic connecting part; the elastic connecting part is hollow and connected with the tail part of the first assembly and the front end part of the second assembly to form the artificial amphiarthrosis. With the adoption of the artificial amphiarthrosis structure, normal mobility of the amphiarthrosis can be maintained, physiological function of the amphiarthrosis can be recovered, and incidence rate of complications such as internal fixation breakage and amphiarthrosis dysfunction can be lowered, meanwhile, the artificial amphiarthrosis with the built-in spring is simple and reliable in implantation in a operation, and can lower operative difficulty of an operator and injuries to a patient.
Description
Technical field
This utility model relates to the artificial joint device of medical orthopaedics, relates in particular to the artificial joint device of the damage such as the amphiarthrosis that is applied to amphiarthrosis surrounding fracture, amphiarthrosis dislocation.
Background technology
Amphiarthrosis is called again plane joint, is a kind of of human body multiaxial joint, such as acromioclavicular joint, Jower tibiofibular joint, distal radioulnar ioint etc.; Some amphiarthrosises participate in the motion in some important joints, after these amphiarthrosis damages, usually cause the dysfunction in these important joints, such as motion, the rear motion that affects ankle joint of Jower tibiofibular joint damage that affects shoulder joint behind the injury of acromioclavicular joint.
The amphiarthrosis trauma surgery Therapeutic Principle such as amphiarthrosis surrounding fracture, amphiarthrosis dislocation are: recover amphiarthrodial normal anatomy, keep amphiarthrodial stability; Recover amphiarthrodial physiological function, keep amphiarthrodial fine motion function; Postoperative can early functional exercise, the prevention joint accretion.The operation plan for the treatment of amphiarthrosis damage is numerous at present, and the main flow operation plan is divided into two large classes clinically:
One, trans-articular is fixed, and with the fixing Jower tibiofibular joint of one to two piece of screw, its shortcoming is: higher stress can appear in the postoperative intraarticular during such as tibiofibular syndesmotic injuries, and clinical manifestation is interior fixedly fracture, displacement, joint function disturbance etc.;
Two; trans-articular is not fixed; merge the hook plate system of coracoclavicular ligament damage as representative take treatment acromioclavicular joint dislocation, distal clavicle fracture; insert the acromion back lower place by the hook plate unciform process; the hook plate body is fixed in above the external extremity of clavicle, utilizes lever principle to reset, and operation technique is simple; fixing reliable, but postoperative shoulder arthralgia, shoulder dysfunction etc. can occur usually.
It is little to seek a kind of wound, can effectively keep amphiarthrosis stability until Ligament healing meets the amphiarthrosis physiological property, operate relatively easy interior fixedly be a difficult problem, this is to improving the quality of life behind the operation in patients, and the normal physiological function that recovers the impaired joint of patient is significant.
The utility model content
Problem in view of above-mentioned prior art exists has proposed this utility model.
Therefore, the technical problems to be solved in the utility model is to provide a kind of artificial joint for the damage of the amphiarthrosises such as amphiarthrosis surrounding fracture, amphiarthrosis dislocation, can assist amphiarthrosis damage reset, keep amphiarthrosis stability the time, possesses the effect of multiaxial joint, can keep the normal range of motion of amphiarthrosis, recover amphiarthrodial physiological function, the incidence rate of the poor prognosis such as fixing fracture, joint function disturbance in reducing; When stating therapeutic goal in realization, during operation behind the implantation of this utility model device and the amphiarthrosis wound healing taking-up of this utility model device all simple and reliable, reduce the operation easier of operator and to patient's wound.
For solving the problems of the technologies described above, this utility model provides following technical scheme: a kind of artificial amphiarthrosis of built-in spring, and the artificial amphiarthrosis of described built-in spring comprises:
The first assembly, described the first assembly comprises threaded portion and afterbody, described afterbody is provided with prism-shaped groove or projection; And,
The second assembly, described the second assembly is the inner hollow column, and an end is terminal part, and the other end is leading section, and described leading section is connected with elastic joint part;
Elastic joint part, described elastic joint part inner hollow, described elastic joint part connects the afterbody of the first assembly and the leading section of the second assembly, forms artificial amphiarthrosis.
As artificial amphiarthrodial a kind of preferred version of built-in spring described in the utility model, wherein: described elastic joint part is plastic pipe or rubber tube, inner hollow.
As artificial amphiarthrodial a kind of preferred version of built-in spring described in the utility model, wherein: be provided with spring in the tube wall of described plastic pipe or rubber tube.
As artificial amphiarthrodial a kind of preferred version of built-in spring described in the utility model, wherein: an end of described spring is connected with the leading section of the second assembly, and the other end of described spring is connected with the afterbody of the first assembly.
As artificial amphiarthrodial a kind of preferred version of built-in spring described in the utility model, wherein: described the first component internal is provided with the duct.
As artificial amphiarthrodial a kind of preferred version of built-in spring described in the utility model, wherein: described the first assembly also includes bar section.
As artificial amphiarthrodial a kind of preferred version of built-in spring described in the utility model, wherein: be provided with external screw thread on the terminal part of described the second assembly.
As artificial amphiarthrodial a kind of preferred version of built-in spring described in the utility model, wherein: the inner hollow of described the second assembly terminal part is prism-shaped hollow.
Adopt technical scheme described in the utility model, have following useful technique effect: by the effect that is similar to screw that this utility model device has, amphiarthrosis stability is kept in auxiliary amphiarthrosis damage when resetting; Elastic joint part structure by this utility model device has keeps the normal range of motion of amphiarthrosis, recovers amphiarthrodial physiological function, the incidence rate of the complication such as fixing fracture, joint function disturbance in reducing; When stating therapeutic goal in realization, during operation the taking-up of the implantation of this utility model device and amphiarthrosis damage this utility model device simple and reliable, reduce the operation easier of operator and to patient's wound.
Description of drawings
Fig. 1 is the overall schematic of a kind of embodiment of artificial amphiarthrosis of built-in spring described in the utility model.
Fig. 2 is the sketch map of the another kind of embodiment of the first assembly described in the utility model, and is inner with pore.
Fig. 3 is the sketch map of the another kind of embodiment of the second assembly described in the utility model, and afterbody can be used with locking bone fracture plate with external screw thread.
Fig. 4 be this utility model as shown in Figure 4 among the embodiment left side of the second assembly look sketch map.
Fig. 5 is the artificial amphiarthrodial implementation sketch map of built-in spring described in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is described in further detail.
Such as Fig. 1～shown in Figure 5, among the figure, the first assembly 1, afterbody 101, bar section 102, threaded portion 103, duct 104, the second assembly 2, elastic joint part 3, leading section 202, terminal part 203.
The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining this utility model, and can not be interpreted as restriction of the present utility model.
In the description of the present utility model, term " interior ", " outward ", " on ", the indicating position such as D score, 'fornt', 'back', " end ", " top " or position relationship be based on orientation shown in the drawings or position relationship, it only is this utility model rather than require this utility model with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model for convenience of description.
As shown in Figure 1, Fig. 1 is the artificial amphiarthrodial overall schematic of built-in spring described in embodiment of this utility model.In this embodiment, the artificial amphiarthrosis of this built-in spring comprises: the first assembly 1, and described the first assembly 1 is comprised of threaded portion 103, bar section 102 and afterbody 101; And, the second assembly 2, described the second assembly 2 one ends form elastic joint part 3.Like this, afterbody described in the first assembly 1 101 connects elastic joint part 3 described in the second assembly 2, and the first assembly 1 is connected with the second assembly 2, forms amphiarthrosis.This afterbody forms amphiarthrosis can axially carry out trickle movement in three-dimensional, so that the first assembly moves on the second assembly can three-dimensional axis and rotation, rotation, crooked certain angle.So, can keep the normal range of motion of amphiarthrosis, recover amphiarthrodial physiological function, the incidence rate of the poor prognosis such as fixing fracture, joint function disturbance in reducing.
As shown in Figure 2, Fig. 2 is the sketch map of this utility model first another embodiment of components.The main distinction of embodiment is that the first component internal forms pore among this embodiment and Fig. 1.Can recognize clearly that by this embodiment the first assembly 1 inside is provided with duct 104, Kirschner wire can be passed through in described duct 104, makes things convenient for the implantation of this utility model device.In this embodiment, the loose point-like groove structure that afterbody 101 surfaces in the first assembly 1 arrange, for example cross groove can certainly be bulge-structure, is convenient to the inner hollow that bottle opener or sleeve can pass the second assembly, and then screws the first assembly.
As shown in Figure 3, Figure 4, Fig. 4 is another embodiment sketch map of the second components described in the utility model, Fig. 4 be this utility model as shown in Figure 3 among the embodiment left side of the second assembly look sketch map.The main distinction of embodiment is that the second assembly terminal part is provided with external screw thread among this embodiment and Fig. 1, and second component can be used with locking bone fracture plate like this.Can clearly recognize by this embodiment, the front end of the second assembly 2 has leading section 202, described leading section 202 links to each other with described elastic joint part 3, and its other end is terminal part 203, is set to prismatic structure in the described terminal part 203 and communicates with described leading section 202 other ends.Described terminal part 203 is provided with external screw thread, finds that in art patient's bone mass is relatively poor, in order to increase the stability of the second assembly 2, reduces the probability that fracture occurs clavicle, can select the second assembly 2 terminal parts 203 to be provided with screw thread, uses in conjunction with locking bone fracture plate.Such the second assembly 2 and other lock screw and locking bone fracture plate reduce the second assembly 2 stability to the dependence of bone mass by thread lock, strengthen the stability of the second assembly 2, reduce simultaneously the probability that fracture occurs the second assembly 2 on every side.
As shown in Figure 5, Fig. 5 is the artificial amphiarthrodial implementation sketch map of built-in spring described in embodiment of this utility model.
The bottle opener external diameter is more identical than the internal diameter of the second assembly 2 hollow-core constructions, can stretch into, pass the second assembly, contacts with the afterbody 101 of the first assembly, and loose point-like groove structure or bulge-structure that bottle opener surface terminal and afterbody 101 arranges are complementary.Bottle opener can be set to hollow-core construction, can pass through Kirschner wire.
When implanting this utility model device, bottle opener directly passes the hollow structure of the second assembly 2, bottle opener is terminal to move ahead in bone with loose point-like groove structure or rear first assembly 1 that directly rotates of bulge-structure coupling, the second assembly 2 is moved ahead in bone by 1 drive of the first assembly under the bottle opener guiding, after terminal part 203 and surface of bone come in contact, hindering the first assembly 1 threaded portion 103 moves ahead in bone, make this utility model device have the effect that is similar to screw, auxiliary amphiarthrosis damage resets, and keeps amphiarthrodial stability.This utility model device is similar to screw, can also add a pad or blade plate between the terminal part 203 of the second assembly 2 and the surface of bone; When the second assembly 2 terminal parts 203 were provided with screw thread, its effect was similar to lock screw, with the locking bone fracture plate locking that is complementary; After device described in the utility model implants, by the amphiarthrosis structure of this artificial joint, keep the normal range of motion of amphiarthrosis, the incidence rate of the complication such as fixing fracture, joint function disturbance in reducing; When stating therapeutic goal in realization, the implantation of the device described in the utility model of performing the operation and taking-up are similar to one piece of screw, and be simple to operate, and the operation easier of reduction operator reaches the wound to the patient.
The use procedure of device described in the utility model is described in conjunction with acromioclavicular joint dislocation:
The first step: by the standard procedures flow process, sterilization spreads single and exposes acromioclavicular joint, clavicle far-end and processus coracoideus by the standard procedures approach, resets and utilizes Kirschner wire or the temporary fixed acromioclavicular joint of reduction forceps, perspective to confirm that acromioclavicular joint reposition is good;
Second step: implant device described in the utility model, the rotary head of suitable size is selected without the first assembly 1 of hollow structure in this step as employing inside, turns in the clavicle proper site with electro-medical and points to processus coracoideus, punches and tapping in processus coracoideus through clavicle; Select the slightly large rotary head already present hole on clavicle of diameter to carry out reaming, with the implantation of convenient the second assembly 2; Measure the nail hole depth, according to the nail hole depth that records, select the device described in the utility model of appropriate length, utilize bottle opener that screw thread 1 is screwed into processus coracoideus through clavicle, until the second assembly 2 terminal parts 203 contact with the clavicle surface of bone.
In this step as employing inside is provided with first assembly 1 in the duct 104 of hollow, then turn through corresponding Kirschner wire punching and at clavicle with the Medical air electrocardio and carry out reaming, tapping, and measure and follow closely hole depth, select the device described in the utility model of appropriate length according to the nail hole depth that records, through corresponding Kirschner wire, implant device described in the utility model.
The advantage of the first assembly 1 that inside is provided with the duct 104 of hollow is that placement location is flexible; Inside arranges the advantage that first assembly 1 in the duct 104 of hollow places through corresponding Kirschner wire and is that the location is good, so that it is more accurate to place the first assembly 1 this process; Concrete which kind of the first assembly 1 that uses is according to the operation needs.
Find that in art patient's bone mass is relatively poor, in order to increase the stability of the second assembly 2, reduce the probability that fracture occurs clavicle, can select the second assembly 2 terminal parts 203 to be provided with screw thread, use in conjunction with locking bone fracture plate, this scheme operating procedure is as follows: select the locking bone fracture plate of appropriate length, type, moulding rear placement correct position, turn in clavicle proper site sensing processus coracoideus with electro-medical through locking bushing, punch and tapping in processus coracoideus through clavicle; Select the slightly large rotary head already present hole on clavicle of diameter to carry out reaming after changing the larger locking bushing of diameter, and measure and follow closely hole depth, select the device described in the utility model of appropriate length according to the nail hole depth that records, utilize bottle opener that threaded portion 103 is screwed into processus coracoideus through clavicle, until the second assembly 2 terminal parts 203 contact with locking bone fracture plate, by the terminal prismatic structures with terminal part 203 interior settings of bottle opener rear rotation the second assembly 2 that is complementary, make the screw thread that threaded terminal part 203 and locking bone fracture plate the are set locking that is complementary, the first assembly 1 bar section 102 is interior to the slip of terminal part 203 directions at the second assembly 2 in this process, again utilizes bottle opener to rotate threaded portion 103 and moves ahead in bone until eliminate the first assembly 1 bar section 102 at the second assembly 2 interior these segment distances that slide to terminal part 203 directions; Then turn punching in other nail holes of blade plate with electro-medical, and be screwed into the lock screw of appropriate length.Such the second assembly 2 and other lock screw and locking bone fracture plate reduce the second assembly 2 stability to the dependence of bone mass by thread lock, strengthen the stability of the second assembly 2, reduce simultaneously the probability that fracture occurs the second assembly 2 on every side.
The 3rd step: perspective affirmation acromioclavicular joint reposition and interior fixed position are good again, repair acromioclavicular ligament and coracoclavicular ligament, are seamed to successively skin behind flushing wound surface and definite the hemostasis.
It should be noted that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment this utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. the artificial amphiarthrosis of a built-in spring, it is characterized in that: the artificial amphiarthrosis of described built-in spring comprises:
The first assembly (1), described the first assembly (1) comprise threaded portion (103) and afterbody (101), and described afterbody (101) is provided with prism-shaped groove or projection; And,
The second assembly (2), described the second assembly (2) is the inner hollow column, and an end is terminal part (203), and the other end is leading section (202), and described leading section (202) is connected with elastic joint part (3);
Elastic joint part (3), described elastic joint part inner hollow, described elastic joint part connects the afterbody (101) of the first assembly and the leading section (202) of the second assembly, forms artificial amphiarthrosis.
2. the artificial amphiarthrosis of a kind of built-in spring according to claim 1, it is characterized in that: described elastic joint part is plastic pipe or rubber tube, inner hollow.
3. the artificial amphiarthrosis of a kind of built-in spring according to claim 2 is characterized in that: be provided with spring in the tube wall of described plastic pipe or rubber tube.
4. the artificial amphiarthrosis of a kind of built-in spring according to claim 3, it is characterized in that: an end of described spring is connected with the leading section (202) of the second assembly, and the other end of described spring is connected with the afterbody (101) of the first assembly.
5. the artificial amphiarthrosis of a kind of built-in spring according to claim 1, it is characterized in that: described the first assembly (1) inside is provided with duct (104).
6. the artificial amphiarthrosis of a kind of built-in spring according to claim 1, it is characterized in that: described the first assembly (1) also includes bar section (102).
7. the artificial amphiarthrosis of a kind of built-in spring according to claim 1 is characterized in that: be provided with external screw thread on the terminal part (203) of described the second assembly (2).
8. the artificial amphiarthrosis of a kind of built-in spring according to claim 1, it is characterized in that: the inner hollow of described the second assembly (2) terminal part (203) is prism-shaped hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220526614 CN202892064U (en) | 2012-10-15 | 2012-10-15 | Artificial amphiarthrosis with built-in spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220526614 CN202892064U (en) | 2012-10-15 | 2012-10-15 | Artificial amphiarthrosis with built-in spring |
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| Publication Number | Publication Date |
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| CN202892064U true CN202892064U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220526614 Expired - Fee Related CN202892064U (en) | 2012-10-15 | 2012-10-15 | Artificial amphiarthrosis with built-in spring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108289699A (en) * | 2015-10-27 | 2018-07-17 | K·A·卡普隆 | Self-compressing implant |
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2012
- 2012-10-15 CN CN 201220526614 patent/CN202892064U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108289699A (en) * | 2015-10-27 | 2018-07-17 | K·A·卡普隆 | Self-compressing implant |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131015 |