CN103720509A - Artificial amphiarthrosis with internally-arranged spring - Google Patents
Artificial amphiarthrosis with internally-arranged spring Download PDFInfo
- Publication number
- CN103720509A CN103720509A CN201210390866.9A CN201210390866A CN103720509A CN 103720509 A CN103720509 A CN 103720509A CN 201210390866 A CN201210390866 A CN 201210390866A CN 103720509 A CN103720509 A CN 103720509A
- Authority
- CN
- China
- Prior art keywords
- assembly
- amphiarthrosis
- artificial
- built
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Neurology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Prostheses (AREA)
Abstract
The invention discloses an artificial amphiarthrosis with an internally-arranged spring. The artificial amphiarthrosis with the internally-arranged spring comprises a first assembly, a second assembly and an elastic connection portion. The first assembly comprises a threaded portion and a tail portion, and the tail portion is provided with a prism-shaped groove or a protrusion. The second assembly is a hollow column body, one end of the second assembly is the tail end, the other end of the second assembly is the front end, and the front end is connected with the elastic connection portion. The elastic connection portion is hollow and is connected with the tail portion of the first assembly and the front end of the second assembly to form the artificial amphiarthrosis. Through the artificial amphiarthrosis structure, the normal joint motion range of the amphiarthrosis can be maintained, physiological functions of the amphiarthrosis can be recovered, and incidence rates of complications like internal fixation breakage and joint dysfunction can be reduced; on one hand, the treatment objects can be achieved, on the other hand, in the operating process, the artificial amphiarthrosis with the internally-arranged spring can be implanted easily and reliably, and operating difficulty of operators and trauma to patients can be reduced.
Description
Technical field
The present invention relates to the artificial joint device of medical orthopaedics, relate 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, as acromioclavicular joint, Jower tibiofibular joint, distal radioulnar ioint etc.; Some amphiarthrosises participate in the motion in some important joints, after these amphiarthrosis damages, conventionally cause the dysfunction in these important joints, as affected motion, the rear motion that affects ankle joint of Jower tibiofibular joint damage of shoulder joint after 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, prevention joint accretion.The operation plan for the treatment of amphiarthrosis damage is numerous at present, and main flow operation plan is divided into two large classes clinically:
One, trans-articular is fixed, and during as tibiofibular syndesmotic injuries, by the fixing Jower tibiofibular joint of one to two piece of screw, its shortcoming is: postoperative intraarticular there will be higher stress, and clinical manifestation is interior fixedly fracture, displacement, joint function disturbance etc.;
Two; trans-articular is not fixed; the hook plate system that treatment acromioclavicular joint dislocation, distal clavicle fracture merge coracoclavicular ligament damage of take is representative; by hook plate unciform process, insert the acromion back lower place; hook plate body is fixed on above external extremity of clavicle, utilizes lever principle to reset, and operation technique is simple; fixing reliable, but postoperative shoulder arthralgia, the shoulder dysfunction etc. of conventionally there will be.
Seek a kind of wound little, can effectively maintain amphiarthrosis stability until Ligament healing meets amphiarthrosis physiological property, operate relatively easy interior be fixedly a difficult problem, this is to improving the quality of life after operation in patients, and the normal physiological function that recovers the impaired joint of patient is significant.
Summary of the invention
Problem in view of above-mentioned prior art exists, has proposed the present invention.
Therefore, the technical problem to be solved in the present invention is to provide a kind of artificial joint for amphiarthrosis damages such as amphiarthrosis surrounding fracture, amphiarthrosis dislocations, can assist the reset of amphiarthrosis damage, when maintaining amphiarthrosis stability, possesses the effect of multiaxial joint, can keep the normal range of motion of amphiarthrosis, recover amphiarthrodial physiological function, the incidence rate of fixing the poor prognosis such as fracture, joint function disturbance in reducing; When stating therapeutic goal in realization, during operation, after the implantation of apparatus of the present invention and amphiarthrosis wound healing, the taking-up of apparatus of the present invention is all simple and reliable, reduces operation easier and the wound to patient of operator.
For solving the problems of the technologies described above, the invention provides following technical scheme: a kind of artificial amphiarthrosis of built-in spring, 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 inner hollow column, and one 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 of the present invention, 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 of the present invention, 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 of the present invention, wherein: one end of described spring is connected with the leading section of the second assembly, 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 of the present invention, wherein: described the first component internal is provided with duct.
As artificial amphiarthrodial a kind of preferred version of built-in spring of the present invention, wherein: described the first assembly also includes bar portion.
As artificial amphiarthrodial a kind of preferred version of built-in spring of the present invention, 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 of the present invention, wherein: the inner hollow of described the second assembly terminal part is prism-shaped hollow.
Adopt technical scheme of the present invention, there is following useful technique effect: the effect that is similar to screw having by apparatus of the present invention, auxiliary amphiarthrosis damage maintains amphiarthrosis stability when resetting; The elastic joint part structure having by apparatus of the present invention, keeps the normal range of motion of amphiarthrosis, recovers amphiarthrodial physiological function, fixes the incidence rate of the complication such as fracture, joint function disturbance in reducing; When stating therapeutic goal in realization, during operation the taking-up of the implantation of apparatus of the present invention and amphiarthrosis damage apparatus of the present invention simple and reliable, reduce operation easier and the wound to patient of operator.
Accompanying drawing explanation
Fig. 1 is the overall schematic of a kind of embodiment of artificial amphiarthrosis of built-in spring of the present invention.
Fig. 2 is the schematic diagram of the another kind of embodiment of the first assembly of the present invention, inner with pore.
Fig. 3 is the schematic diagram of the another kind of embodiment of the second assembly of the present invention, and afterbody, with external screw thread, can be used in conjunction with locking bone fracture plate.
Fig. 4 be the present invention as shown in Figure 3 in embodiment a left side for the second assembly look schematic diagram.
Fig. 5 is the artificial amphiarthrodial concrete enforcement schematic diagram of built-in spring of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Fig. 1～Fig. 5, in figure, the first assembly 1, afterbody 101, bar portion 102, threaded portion 103, duct 104, the second assembly 2, elastic joint part 3, leading section 202, terminal part 203.
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, 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, be only the present invention for convenience of description rather than require the present invention with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
As shown in Figure 1, Fig. 1 is the artificial amphiarthrodial overall schematic of built-in spring described in one embodiment of the invention.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 portion 102 and afterbody 101; And, the second assembly 2, described second assembly 2 one end 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 carry out trickle movement on axially in three-dimensional, the first assembly is moved on the second assembly can three-dimensional axis and rotate, rotation, crooked certain angle.So, can keep the normal range of motion of amphiarthrosis, recover amphiarthrodial physiological function, the incidence rate of fixing the poor prognosis such as fracture, joint function disturbance in reducing.
As shown in Figure 2, Fig. 2 is the schematic diagram of the present invention first another embodiment of components.In this embodiment and Fig. 1, the main distinction of embodiment is that the first component internal forms pore.By this embodiment, can clearly recognize, the first assembly 1 inside is provided with duct 104, and Kirschner wire can be passed through in described duct 104, facilitates the implantation of apparatus of the present invention.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 bottle opener or sleeve and can passes the inner hollow of the second assembly, and then screw the first assembly.
As shown in Figure 3, Figure 4, Fig. 4 is another embodiment schematic diagram of the second components of the present invention, Fig. 4 be the present invention as shown in Figure 3 in embodiment a left side for the second assembly look schematic diagram.In this embodiment and Fig. 1, the main distinction of embodiment is that the second assembly terminal part is provided with external screw thread, and second component can be used in conjunction with locking bone fracture plate like this.By this embodiment, can clearly recognize, the front end of the second assembly 2 has leading section 202, described leading section 202 is connected with described elastic joint part 3, and its other end is terminal part 203, is set to prismatic structure and communicates with described leading section 202 other ends in described terminal part 203.Described terminal part 203 is provided with external screw thread, finds that patient's bone mass is poor in art, 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, in conjunction with locking bone fracture plate, uses.Such the second assembly 2 and other lock screw and locking bone fracture plate, by thread lock, reduce the second dependence of assembly 2 stability to bone mass, strengthen the stability of the second assembly 2, reduce the second assembly 2 simultaneously the probability of fracture around occurs.
As shown in Figure 5, Fig. 5 is the artificial amphiarthrodial concrete enforcement schematic diagram of built-in spring described in one embodiment of the invention.
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 the surface of bottle opener end and afterbody 101 arranges match.Bottle opener can be set to hollow-core construction, can pass through Kirschner wire.
When implanting apparatus of the present invention, bottle opener directly passes the hollow structure of the second assembly 2, after bottle opener end mates with loose point-like groove structure or bulge-structure, directly rotate the first assembly 1 moves ahead in bone, the second assembly 2 is driven and is moved ahead in bone by the first assembly 1 under bottle opener guiding, after terminal part 203 and surface of bone come in contact, hinder the first assembly 1 threaded portion 103 moves ahead in bone, apparatus of the present invention there is be similar to the effect of screw, auxiliary amphiarthrosis damage resets, and maintains amphiarthrodial stability.Apparatus of the present invention are similar to screw, between the terminal part 203 of the second assembly 2 and surface of bone, can also add a pad or blade plate; When the second assembly 2 terminal parts 203 are provided with screw thread, its effect is similar to lock screw, with the locking bone fracture plate locking that matches; After device of the present invention implants, by the amphiarthrosis structure of this artificial joint, keep the normal range of motion of amphiarthrosis, in reducing, fix the incidence rate of the complication such as fracture, joint function disturbance; When stating therapeutic goal in realization, the implantation of the device of the present invention of performing the operation and taking-up are similar to one piece of screw, simple to operate, reduce operation easier and the wound to patient of operator.
The use procedure of device of the present invention is described in conjunction with acromioclavicular joint dislocation:
The first step: by standard procedures flow process, sterilization paving is single and expose acromioclavicular joint, clavicle far-end and processus coracoideus by 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 of the present invention, in this step, the first assembly 1 without hollow structure as inner in employing, selects the rotary head of suitable size, turns in clavicle proper site and points to processus coracoideus by electro-medical, punches and tapping through clavicle in processus coracoideus; Select the slightly large rotary head already present hole on clavicle of diameter to carry out reaming, to facilitate the implantation of the second assembly 2; Measure nail hole depth, according to the nail hole depth recording, select the device of the present invention 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 clavicle surface of bone.
The first assembly 1 that is provided with the duct 104 of hollow as inner in employing in this step, with Medical air electrocardio, turn through corresponding Kirschner wire punching and on clavicle, carry out reaming, tapping, and measure and follow closely hole depth, according to the nail hole depth recording, select the device of the present invention of appropriate length, through corresponding Kirschner wire, implant device of the present invention.
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 location is good, makes to place first assembly 1 this process more accurate; Concrete which kind of the first assembly 1 that uses is according to operation needs.
In art, find that patient's bone mass is 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, in conjunction with locking bone fracture plate, use, this scheme operating procedure is as follows: select the locking bone fracture plate of appropriate length, type, moulding rear placement correct position, through locking bushing, by electro-medical, turn in clavicle proper site and point to processus coracoideus, through clavicle, in processus coracoideus, punch and tapping, after changing the locking bushing that diameter is larger, select rotary head already present hole on clavicle that diameter is slightly large to carry out reaming, and measure and follow closely hole depth, according to the nail hole depth recording, select the device of the present invention of appropriate length, 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, after matching, prismatic structure by bottle opener end and terminal part 203 interior settings rotates the second assembly 2, the screw thread that makes to arrange threaded terminal part 203 and the locking bone fracture plate locking that matches, in this process, the first assembly 1 bar portion 102 is interior to terminal part 203 directions slips at the second assembly 2, again utilize bottle opener to rotate that threaded portion 103 moves ahead in bone until the first assembly 1 bar portion 102 of eliminating at interior this segment distance to terminal part 203 directions slips of the second assembly 2, then in other nail holes of blade plate, by electro-medical, turn punching, and be screwed into the lock screw of appropriate length.Such the second assembly 2 and other lock screw and locking bone fracture plate, by thread lock, reduce the second dependence of assembly 2 stability to bone mass, strengthen the stability of the second assembly 2, reduce the second assembly 2 simultaneously the probability of fracture around occurs.
The 3rd step: perspective confirmation acromioclavicular joint reposition and interior fixed position are good again, repair acromioclavicular ligament and coracoclavicular ligament, rinses wound surface and also after definite hemostasis, is seamed to successively skin.
It should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. an artificial amphiarthrosis for built-in spring, is characterized in that: the artificial amphiarthrosis of described built-in spring comprises:
The first assembly (1), described the first assembly (1) comprises threaded portion (103) and afterbody (101), described afterbody (101) is provided with prism-shaped groove or projection; And,
The second assembly (2), described the second assembly (2) is inner hollow column, and one 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, 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: in the tube wall of described plastic pipe or rubber tube, be provided with spring.
4. the artificial amphiarthrosis of a kind of built-in spring according to claim 3, is characterized in that: one 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, 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, is characterized in that: described the first assembly (1) also includes bar portion (102).
7. the artificial amphiarthrosis of a kind of built-in spring according to claim 1, is characterized in that: on the terminal part (203) of described the second assembly (2), be provided with external screw thread.
8. the artificial amphiarthrosis of a kind of built-in spring according to claim 1, 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 |
|---|---|---|---|
| CN201210390866.9A CN103720509A (en) | 2012-10-15 | 2012-10-15 | Artificial amphiarthrosis with internally-arranged spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210390866.9A CN103720509A (en) | 2012-10-15 | 2012-10-15 | Artificial amphiarthrosis with internally-arranged spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103720509A true CN103720509A (en) | 2014-04-16 |
Family
ID=50444982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210390866.9A Pending CN103720509A (en) | 2012-10-15 | 2012-10-15 | Artificial amphiarthrosis with internally-arranged spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103720509A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274236A (en) * | 2020-11-05 | 2021-01-29 | 孙金堂 | Assembled easily-detachable bone nail |
-
2012
- 2012-10-15 CN CN201210390866.9A patent/CN103720509A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274236A (en) * | 2020-11-05 | 2021-01-29 | 孙金堂 | Assembled easily-detachable bone nail |
| CN112274236B (en) * | 2020-11-05 | 2022-02-01 | 孙金堂 | Assembled easily-detachable bone nail |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11779381B2 (en) | Bone fixation system, assembly, implants, devices, alignment guides, and methods of use | |
| US11779358B2 (en) | Targeting instruments, systems and methods of use | |
| US11779355B2 (en) | System for connecting a connecting device, in particular a distractor, to a bone | |
| JP2013511353A (en) | Equipment for targeting joint abnormalities | |
| CN105708530A (en) | Miniature finger external fixation frame | |
| CN105411657B (en) | Orthopaedics glenoid lip of articulation of humerus fix tool system | |
| CN102895049A (en) | Artificial joint applied to micro joint injury | |
| CN202892064U (en) | Artificial amphiarthrosis with built-in spring | |
| CN202751439U (en) | Odontoid process screw aiming device | |
| CN103720509A (en) | Artificial amphiarthrosis with internally-arranged spring | |
| CN202892066U (en) | Artificial joint applied to amphiarthrodial joint injury | |
| CN103720508A (en) | Artificial amphiarthrosis with internally-arranged traction sutures | |
| CN202892075U (en) | Artificial amphiarthrosis with built-in pull wires | |
| CN201185959Y (en) | Malleolus medialis puncture needle locating guider | |
| CN201684011U (en) | Percutaneous minimally invasive lumber vertebral pedicle screw fixing system and matching machine | |
| CN208958252U (en) | A kind of astragalus drilling instrument | |
| CN209529904U (en) | A kind of fixed device of medical instrument | |
| CN208693411U (en) | Integrated auxiliary fixing device for 2 odontoid fracture anterior approach of neck | |
| CN111227921A (en) | Pelvis fracture reduction device and operation method | |
| CN106859748A (en) | Miniature Metacarpus and phalanges exterior fixing rack | |
| US20170164961A1 (en) | Coracoid drill guide and method of use thereof | |
| CN100335012C (en) | Sport-type regulatable phalanx external fixing carriage | |
| CN219109696U (en) | Elastic internal fixing device | |
| CN204600660U (en) | Dicyclic pivot cone Odontoid process sight | |
| CN204318893U (en) | Neck of femur guider |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140416 |