CN202005796U - Internal fixation instrument with percutaneous minimally invasive trochanter locking steel plate - Google Patents
Internal fixation instrument with percutaneous minimally invasive trochanter locking steel plate Download PDFInfo
- Publication number
- CN202005796U CN202005796U CN2011200415232U CN201120041523U CN202005796U CN 202005796 U CN202005796 U CN 202005796U CN 2011200415232 U CN2011200415232 U CN 2011200415232U CN 201120041523 U CN201120041523 U CN 201120041523U CN 202005796 U CN202005796 U CN 202005796U
- Authority
- CN
- China
- Prior art keywords
- steel plate
- internal fixation
- fracture
- percutaneous
- minimally invasive
- 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
Images
Abstract
The utility model discloses an internal fixation instrument with a percutaneous minimally invasive trochanter locking steel plate, which is applicable to treatment of unstable intertrochanteric fracture with greater trochanter extension or displacement intertrochanteric comminuted fracture. The internal fixation instrument is mainly characterized in that the middle of the internal fixation instrument is the percutaneous minimally invasive steel plate (1), a far end of the steel plate is in a shuttle structure (2), a locking structure (3) consisting of three screw holes is arranged above the shuttle structure, and a near end of the steel plate includes a near-end screw (4) and near-end clamping piece devices (5). The middle percutaneous minimally invasive steel plate can be locked after being implanted in a minimally invasive percutaneous manner by the shuttle structure at the far end of the steel plate, a slide pressurizing device is designed on the near-end screw and used for pressurizing a fractured end, and greater trochanter can be fixed by the two near-end clamping piece devices. The internal fixation instrument can be used for treating greater trochanter displacement and gluteus medius asthenia secondarily caused by Evans III and IV type intertrochanteric fracture, transverse and rotary stability is enhanced, fracture healing and early activity are benefited, and joint dysfunction is decreased.
Description
Technical field
This utility model belongs to a kind of medical apparatus and instruments, is mainly used in treatment unstability intertrochanteric fracture and is associated with the free or displacement femoral intertrochanteric comminuted fracture of greater trochanter.
Background technology
Intertrochanteric fracture of the femur is the common fracture of old people, and sickness rate occupies first of the three big osteoporotic fractures (intertrochanteric fracture, spinal column compression fracture, COLLES fracture).Women and masculinity proportion are about 3: 1, and along with life-time dilatation and social senilization, the intertrochanteric fracture incidence is in rising trend.Annual 200, the 000 routine intertrochanteric fractures that approximately take place of the U.S. are estimated 8,000,000,000 dollars of annual medical expenses, and the expert estimates that the year two thousand fifty will be present 2-3 times.Old femoral intertrochanteric is low-yield property fracture 90% or more, falls and osteoporosis is two most important reason.Fracturing, mortality rate is about 5-10% in back one month, is 18%-33% in 1 year, and is lower than 10% with age crowd natural mortality rate.Patient's postoperative of about 40% can recover the preceding function of fracture, 40% walking function obviously reduces, 10% only can indoor activity, in addition 10% the patient walking of can not leaving the bed, the patient leaves in various degree pain mostly simultaneously, in case fracture, patient individual's life, study, work are had a strong impact on, therefore and fracture itself can cause a lot of complication, makes that a lot of patients are disabled, death, brings heavy burden also for simultaneously family, social welfare programs, health insurance business.
The treatment of intertrochanteric fracture standard is strong fixing and early ambulation; rebuild the seriality and stability of bone; the early protection heavy burden reduces the deterioration of pulmonary infection, venous thrombosis, urinary system infection, decubital ulcer and whole body ordinary circumstance that long-term bed caused.Expectant treatment mortality rate height, existing abandoning substantially used, and can only work as that the patient body situation is too poor can not just to be adopted during tolerate surgery; Hagino report also should operative treatment for patient more than 90 years old, and 5 conservative and correlated random experiments of operative treatment are included in the Parker strictness in, amount to 428 gerontal patients, though there was no significant difference, operation can be shortened the hospital stays and accelerate rehabilitation.
The used apparatus of internal fixation is varied at present, and can reduce following four classes substantially: 1, the marrow external fixation system is the traditional treatment mode, comprises gusset, dissection armor plate, Maxwell gooseneck boom nail, dynamic hip screw DHS, power condyle screw DCS etc.That wherein be most widely used is exactly dynamic hip screw DHS, claims slip compression goose head shaped nail or Richards nail again.2, intramedullary pin is fixed: first generation intramedullary pin Gamma nail, second filial generation intramedullary pin comprises that hip intramedullary pin IMHS, femoral trochanter nail TFN, second filial generation Gamma nail, third generation intramedullary pin third generation intramedullary pin such as near end of thighbone follow closely PFN, anterograde tuberosity nail TAN, anterograde hip nail FAN, PFNA, third generation Gamma nail etc.3, joint replacement is a kind of safe and effective therapeutic method, particularly serious osteoporotic intertrochanteric fracture at advanced age.And the scholar who dissents thinks that this type fracture is abundant because of local blood fortune, and severe complications such as general rare nonunion, ischemic necrosis of femoral head should adopt internal fixation to handle clinically.4, external fixer is fixed: it is low that its advantage is that anesthesia requires, and wound is little, go out insufficiency of blood, and operating time is short, and the patient in early days can be movable; Disadvantage is to infect, and locking pin is loosening in addition, malunion, ankylosis etc.
More than various internal fixation devices, all do not solve the free unstability intertrochanteric fracture of greater trochanter well, model of action is single, union of fracture is slow, complication is many.For the free unstability intertrochanteric fracture of greater trochanter patient, intramedullary pin is difficult to the greater trochanter that resets, and causes the damage in various degree of gluteus medius tendon inevitably.Femoral head replacement should strictly be grasped operative indication because the improvement of its postoperative function is relatively poor relatively.The shortcoming of DHS is effectively to prevent the fracture end rotation displacement, and entry point is low, can not be effectively fixing greater trochanter.
Summary of the invention
This utility model is at the deficiency of above-mentioned internal fixation device, design a kind of special percutaneous Wicresoft femoral bone tuberosity locking steel plate internal fixation device, have closed reduction, micro-wound percutaneous implantation, provide rotational stabilization, frame structure to prevent to subside, do not expose advantages such as fracture end.Its principal character is: the middle part is a percutaneous Wicresoft steel plate (1), and the far-end of steel plate becomes fusiformis structure (2), and the latch-up structure that the fusiformis superstructure is made up of three screw holes (3), the near-end of steel plate contain proximal screw (4) and near-end clip device (5).
Technical scheme
This utility model is made of special percutaneous Wicresoft steel plate, far end device and inlet side device, and its technical characterictic is:
Special percutaneous Wicresoft steel plate far end device comprises fusiformis structure and latch-up structure, can pass through this fusiformis structure with the micro-wound percutaneous implantation of special steel plate, and use corresponding latch-up structure to fix.
Special percutaneous Wicresoft steel plate near-end device comprises screw and clip device: screw is hollow forcing screw, design has the slip pressue device, broken ends of fractured bone pressurization can be provided, ailhead is designed to cutting groove, can be from brill, self tapping, the ailhead partial design becomes cancellous threads, has the various models of length and can carry out broken ends of fractured bone pressurization; Clip device can be used for fixing greater trochanter.
The greater trochanter that can treat EvansIII, IV type intertrochanteric fracture institute secondary by this device is shifted, and gluteus medius is unable, increases laterally and stability of rotation, and healing that helps fracturing and early ambulant reduce joint function disturbance.
The autoclave sterilization sterilization was directly used on operating-table before percutaneous Wicresoft femoral bone tuberosity locking steel plate internal fixation device need be performed the operation.This utility model compared with prior art has increases the fracture end contact, keeps the fracture para-position, and accelerating union of bone fracture prevents greater trochanter nonunion or delayed union, and the patient can leave the bed in early days, advantage such as improve the quality of living.
Description of drawings
Description of drawings of the present utility model is as follows:
Fig. 1 is the structural representation of this utility model percutaneous Wicresoft femoral bone tuberosity locking steel plate internal fixation device.
Fig. 2 is the texture edge sketch map of this utility model percutaneous Wicresoft femoral bone tuberosity locking steel plate internal fixation device.
Fig. 3 is a near-end forcing screw structural representation of the present utility model.
Among the figure: 1, special percutaneous Wicresoft steel plate; 2, far-end fusiformis structure; 3, far-end locking structure; 4, proximal screw; 5, near-end clip device; 6, cutting groove; 7, slip pressue device.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is further described:
As shown in Figure 1, this utility model is made up of special percutaneous Wicresoft steel plate (1), far-end fusiformis structure (2), far-end locking structure (3), proximal screw (4), near-end clip device (5).Far-end fusiformis structure (2) can micro-wound percutaneously be implanted, and the screw hole on the steel plate is far-end locking structure (3), fixes special percutaneous Wicresoft steel plate (1) by screw.The design of the ailhead of proximal screw (4) has cutting groove (6), can from bore, self tapping, the ailhead partial design becomes cancellous threads, and has slip pressue device (7) and can carry out broken ends of fractured bone pressurization, proximal screw (4) design has the various models of length.
The autoclave sterilization sterilization was directly used on operating-table before percutaneous Wicresoft femoral bone tuberosity locking steel plate internal fixation device need be performed the operation.
Can determine the proximal screw (4) that to select for use according to the fracture line that X-ray film shows before the operation, must guarantee that proximal threads (4) crosses fracture line fully and be in the femoral head.
Patient lies on the back on the bone surgery bed during operation, and the art district carries out routine disinfection, drape, and the manual reduction fracture makes it accurately to reset under the monitoring of siremobil machine.The 2cm place makes a skin incision on femoral greater trochanter, insert special percutaneous Wicresoft steel plate (1), earlier begun to implant by far-end fusiformis structure (2), from the through surface of bone of soft tissue, electricity consumption is drilled in the x-ray tv power traction and leads down and squeeze into guide pin by sleeve and make sclerotin under its most advanced and sophisticated arrival articular surface.After determining position suitable, the proximal screw (4) that chooses in advance is screwed into neck of femur with the hollow spanner of six ribs along guide pin, make the head threads of proximal screw (4) arrive femoral head articular surface about 3mm down, after visible screw thread is crossed fracture line under television perspective, fracture line is along with the increase that nail is screwed into the degree of depth narrows down gradually, until can't see.By being screwed into screw in far-end locking structure (3) and tightening near-end clip device (5) greater trochanter is fixed simultaneously, prevented its displacement.Sew up then and close otch, operation finishes, and percutaneous Wicresoft femoral bone tuberosity locking steel plate internal fixation device installs.
Minimal invasion femoral bone tuberosity locking steel plate internal fixing device tool described in the utility model, can be used in treatment unstability intertrochanteric fracture and be associated with the free or displacement intertrochanteric fracture of femur of greater trochanter, compared with prior art has the fracture end of increasing contact, keep fracture reduction, accelerating union of bone fracture, prevent greater trochanter nonunion or delayed union, the patient can leave the bed in early days, the advantage such as improve the quality of living.
Claims (2)
1. percutaneous Wicresoft femoral bone tuberosity locking steel plate internal fixation device, it is characterized in that: the middle part is a percutaneous Wicresoft steel plate (1), the far-end of steel plate becomes fusiformis structure (2), the latch-up structure that the fusiformis superstructure is made up of three screw holes (3), the near-end of steel plate contain proximal screw (4) and near-end clip device (5).
2. percutaneous according to claim 1 Wicresoft femoral bone tuberosity locking steel plate internal fixation device, the ailhead design of its proximal screw (4) has cutting groove (6), can be from boring or self tapping, the ailhead partial design becomes cancellous threads, and the screw middle part has slip pressue device (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200415232U CN202005796U (en) | 2011-02-18 | 2011-02-18 | Internal fixation instrument with percutaneous minimally invasive trochanter locking steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200415232U CN202005796U (en) | 2011-02-18 | 2011-02-18 | Internal fixation instrument with percutaneous minimally invasive trochanter locking steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202005796U true CN202005796U (en) | 2011-10-12 |
Family
ID=44747460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200415232U Expired - Fee Related CN202005796U (en) | 2011-02-18 | 2011-02-18 | Internal fixation instrument with percutaneous minimally invasive trochanter locking steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202005796U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287820A (en) * | 2014-10-16 | 2015-01-21 | 常州市康辉医疗器械有限公司 | Steel plate screw system with universal locking function |
| CN104771216A (en) * | 2015-04-20 | 2015-07-15 | 加莎热特·杰力勒 | Three-dimensional external fixation guide device for closed reduction screws for fractures around femoral trochanter |
| CN105011995A (en) * | 2015-08-10 | 2015-11-04 | 张英泽 | Tibial plateau fracture pressurizing and fixing device |
| CN108324357A (en) * | 2018-03-14 | 2018-07-27 | 熊鹰 | A kind of minimally invasive drift fixing bracket device |
| EP3412230A4 (en) * | 2016-02-04 | 2019-03-13 | Hua Chen | Femoral neck inner side support structure and femoral neck fracture fixing device |
| CN116746999A (en) * | 2023-06-08 | 2023-09-15 | 中国人民解放军总医院第六医学中心 | Proximal plate-shaped intramedullary nail for comminuted intertrochanteric fracture |
| CN108324357B (en) * | 2018-03-14 | 2024-04-30 | 熊鹰 | Minimally invasive drifting fixed support device |
-
2011
- 2011-02-18 CN CN2011200415232U patent/CN202005796U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287820A (en) * | 2014-10-16 | 2015-01-21 | 常州市康辉医疗器械有限公司 | Steel plate screw system with universal locking function |
| CN104771216A (en) * | 2015-04-20 | 2015-07-15 | 加莎热特·杰力勒 | Three-dimensional external fixation guide device for closed reduction screws for fractures around femoral trochanter |
| CN105011995A (en) * | 2015-08-10 | 2015-11-04 | 张英泽 | Tibial plateau fracture pressurizing and fixing device |
| EP3412230A4 (en) * | 2016-02-04 | 2019-03-13 | Hua Chen | Femoral neck inner side support structure and femoral neck fracture fixing device |
| CN108324357A (en) * | 2018-03-14 | 2018-07-27 | 熊鹰 | A kind of minimally invasive drift fixing bracket device |
| CN108324357B (en) * | 2018-03-14 | 2024-04-30 | 熊鹰 | Minimally invasive drifting fixed support device |
| CN116746999A (en) * | 2023-06-08 | 2023-09-15 | 中国人民解放军总医院第六医学中心 | Proximal plate-shaped intramedullary nail for comminuted intertrochanteric fracture |
| CN116746999B (en) * | 2023-06-08 | 2024-03-05 | 中国人民解放军总医院第六医学中心 | Proximal plate-shaped intramedullary nail for comminuted intertrochanteric fracture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mehling et al. | Stabilization of fatigue fractures of the dorsal pelvis with a trans-sacral bar. Operative technique and outcome | |
| Kristek et al. | The proximal femoral nail antirotation (PFNA) in the treatment of proximal femoral fractures | |
| CN202005796U (en) | Internal fixation instrument with percutaneous minimally invasive trochanter locking steel plate | |
| Kamineni et al. | Anatomic relationship of the radial nerve to the elbow joint: clinical implications of safe pin placement | |
| Leung et al. | Dynamic hip screw blade fixation for intertrochanteric hip fractures | |
| CN204121146U (en) | A kind of proximal humerus fixture | |
| CN201019824Y (en) | Special inner fixer for preventing femur and cervical vertebra disconnecting after fracture and femoral head ischemic necrosis | |
| CN204931821U (en) | Bridge joint internal fixation system outside proximal tibia | |
| Sun et al. | Recent Progress in the Classification and Operation of Sacral Fractures | |
| Cusano et al. | Arthroscopic posterior glenoid reconstruction using a fresh distal tibia allograft for recurrent posterior instability | |
| Sreejith Thampy et al. | Minimally invasive percutaneous plate osteosynthesis (MIPPO) in distal tibia fractures-retrospective functional and radiological outcome analysis among rural population | |
| Sokucu et al. | Treatment of comminuted mid-diaphyseal clavicle fractures by plate fixation using a bridging technique | |
| CN204839705U (en) | Closed through bolt auxiliary stand of shin bone | |
| RU118542U1 (en) | LOCK FOR OSTEOSYNTHESIS OF Fractures OF PROXIMAL METAEPIPHISIS OF THE HUMEROUS BONE | |
| CN209107542U (en) | A kind of rear ankle dissection locking steel plate suitable for Minimally Invasive Surgery | |
| CN204468248U (en) | Percutaneous lock screw | |
| Londhe et al. | Comparison of radiological and functional outcome in patients with femoral neck fracture operated with dynamic hip screw versus multiple cannulated screws | |
| Sasnur et al. | Surgical outcome of proximal femoral fractures using proximal femoral-locking compression plate | |
| Illur et al. | Functional outcome of distal tibia fracture treated with locking compression plate using minimally invasive percutaneous plate osteosynthesis technique (MIPPO): A prospective study | |
| Pradhan et al. | Comparative prospective study of proximal femoral nail and locking compression plate in subtrochanteric fractures of femur | |
| Singh et al. | Result of cancellous screw fixation in fracture neck of femur in adults | |
| Kumar et al. | Supra-cutaneous plating for repair of traumatic tibial fractures in sheep and goats | |
| Manikandan et al. | Outcome of expert tibia nail in proximal and segmental tibia fractures-a prospective study | |
| Banal et al. | Autologous (Non vascularized) fibular grafting with cancellous bone grafting for treatment of femoral head osteonecrosis (Ficat and Arlet stage 1 2a 2b 3) | |
| Solod et al. | Innovative technologies in pelvic fractures management |
Legal Events
| 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: 20111012 Termination date: 20120218 |