CN201211223Y - Anatomic acetabulum back-wall post-pillar steel plate - Google Patents
Anatomic acetabulum back-wall post-pillar steel plate Download PDFInfo
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- CN201211223Y CN201211223Y CNU2008201201169U CN200820120116U CN201211223Y CN 201211223 Y CN201211223 Y CN 201211223Y CN U2008201201169 U CNU2008201201169 U CN U2008201201169U CN 200820120116 U CN200820120116 U CN 200820120116U CN 201211223 Y CN201211223 Y CN 201211223Y
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Abstract
The utility model discloses a steel plate of a rear column of the rear wall of an anatomy-type acetabulum. The steel plate comprises a body; the body is a strip steel plate which is narrow in two ends and wide in the middle part; the strip steel plate comprises an upper screw hole region, a middle screw hole region and a lower screw hole region; an upper positioning hole and a lower positioning hole are arranged between the upper screw hole region and the middle screw hole region and between the middle screw hole region and the lower screw hole region respectively; the left side and the right side of the body bend inwards, wherein a plate surface in the middle screw hole region bends toward the left side or the right side to form a cambered plate surface; at the same time, the longitudinal section of the medial axis of the body is a serpentiform curve formed by three sections of curves in smooth transition. Compared with the prior art, the structure of the steel plate meets the characteristics of acetabular and pelvic anatomy and biomechanics; the type of the corresponding steel plate can be selected according to gender, age, bone size and shape, thereby achieving the functions of improving the success ratio of the internal fixing operation of fracture, saving the time of the operation and reducing blood loss amount in operation, the narcotic time, the chance of infection and the risk of the operation.
Description
Technical field
This utility model belongs to technical field of medical instruments, relates to orthopaedics internal fixation operation technical field, relates in particular to a kind of anatomical form acetabular bone rear wall rear pillar steel plate.
Background technology
At present, along with the Chinese society development, high-energy injury of pelvis that vehicle accident, building industry and industrial injury cause and serious fracture of acetabulum day by day increase, and pelvis and fracture of acetabulum mortality rate are abroad reported up to 18.1～30% up to 10%%.Traditional expectant treatment disability rate is up to 50%～60%, and patient has left over multiple complications, as: low back pain, coxitis arthralgia, buttocks sacrum pain, abnormal gait, nerve sequela, even ability to work forfeiture.If these diseases are dealt with improperly, not only the extended treatment time, bring psychic trauma and economic loss to patient, have a strong impact on patient's live and work quality, even caused catastrophic effect; Social medical treatment and financial burden have also been increased simultaneously.The expectant treatment disability rate of fracture of pelvis and fracture of acetabulum is higher, not only brings great misery to the patient, has brought the tremendous economic burden to society simultaneously.Since the 1980s, the understanding mechanism of injury of pelvis and fracture of acetabulum is goed deep into gradually, operative treatment just begins to grow up gradually.Confirm that through domestic and international anatomical image student material resources experimental study and clinical practice the surgical result of pelvis and fracture of acetabulum is better than expectant treatment, patient's life quality is better than expectant treatment, and middle long term complication also reduces than expectant treatment.
Along with open internal fixation continuous advancement in technology, operative treatment pelvis and fracture of acetabulum are more and more accepted widely in recent years.But extensive use along with operative treatment pelvis and fracture of acetabulum, relevant issues also expose gradually: mainly contain (1) operation related complication and increase gradually,, inner matter fracture operative failure excessive as severe loss of blood in the art, operation wound, fracture of acetabulum disunion, malunion of fracture, myositis ossificans, function of joint forfeiture even meet with patient medical and complain or the like problem more and more cause numerous orthopedists' concern.(2) going deep into of contemporary orthopaedics " Wicresoft and microinvasion operative treatment " theory requires to bring maximum clinical efficacy with as far as possible little operation wound.This also is the international trend of all Surgery Systems operation technique technology.(3) expense that spends on the inner matter material of patient has taken about 46% of total hospitalization cost, imported material expense costliness.(4) pelvis and acetabular bone titanium alloy and the stainless-steel sheet that uses both at home and abroad at present comprises the memorial alloy internal fixation system, all has a shortcoming: the biomechanics transmission system (being bone interior mechanics route) that does not meet pelvis and acetabular bone.Acetabular bone commonly used at present and pelvis reconstruction plate and acetabular bone and pelvis configuration of surface are not docile, cause operating time to prolong, and potential danger increases.
Acetabular bone and pelvis anatomical shape are irregular, very complicated, and the size of skeleton surrounding soft tissue and form have limited the size and the intensity of implant, and the fracture back has brought great difficulty and risk for operative reduction and internal fixation.
Acetabular bone commonly used at present and pelvis reconstruction plate and acetabular bone and pelvis configuration of surface are not docile.Need in the operation to carry out moulding according to every different skeletal form characteristics of patient.
The internal fixation method of clinical practice at present has 4 kinds: range estimation bone surface form in (1) operation, and according to range estimation that reconstruction plate is moulding then.Once be difficult to moulding success, often need repeated multiple times just can make steel plate and bone surface form docile.(2) the aluminum template of Switzerland AO company after the reduction of the fracture, is taped against bone surface with softer aluminum template earlier, moulding according to its profile, then template is taken off, according to the shape of template that reconstruction plate is moulding again, could fracture be fixed with reconstruction plate at last.(3) steel wire screw binding method because its biomechanical stability is poor, is clinically seldom used.(4) memorial alloy apparatus, its drawback are that soft tissue is peeled off morely in the operation, and local blood fortune is destroyed more; Quantity such as the pressed nail that needs, clamping nail are more; And the memorial alloy apparatus for the reset response of hip fracture piece a little less than, stability is than a little less than the reconstruction plate at once; In case need to take out, difficulty is bigger.
The most frequently used is preceding 2 kinds of methods both at home and abroad, but its drawback is: the moulding process of (1) steel plate has prolonged operating time, and blood loss volume during the operation is increased, otch open-assembly time prolongation, anesthesia duration prolongs, and the anesthesia dosage increases, and operation potential risk and complication increase.(2) moulding repeatedly, the bending of steel plate can stay indentation or draw stricture of vagina at surface of steel plate, and steel plate stress concentration point is increased, and causes the danger of implant fatigue fracture to increase.(3) steel plate is moulding bad not docile with skeleton, causes loosening, the displacement of fracture, causes the stress shielding of pain and bone, and the danger that malunion of fracture or malunion take place increases.
Therefore, correctly select for use implant very important.According to every individual patients difference characteristics, select for use the suitable implant of size, shape and design can increase the success rate of fracture internal fixation operation, correctly select implant to help to reduce operation risk.
For stability and the reliability that increases skeletal fixation, an application number is that 00255380.5 Chinese utility model patent discloses a kind of biotype acetabular bone three-dimensional reconstruction steel plate that is used for the treatment of the human body fracture of acetabulum.It comprises the steel plate body, it is characterized in that, an end of steel plate body is connected with barrier plate, and both sides are connected with upper flange and lower wing plate, are respectively equipped with screw on steel plate body, upper flange, the lower wing plate.Stable after it can be kept fracture of acetabulum well and resets can make sclerite reach firmly effectively fixing, particularly pelvic cavity displacement to the inside of fracture of acetabulum piece and acetabular bone medial wall syntripsis had extraordinary reset response.But still there is the biomechanics transmission system that does not meet pelvis and acetabular bone; Not docile with acetabular bone and pelvis configuration of surface, cause operating time to prolong the shortcoming that potential danger increases.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, provides a kind of rational in infrastructure, meets acetabular bone and pelvic anatomy, biomechanics characteristic, and can reduce the anatomical form acetabular bone rear wall rear pillar steel plate of operating time.
This utility model solves the problems of the technologies described above the technical scheme that is adopted:
A kind of anatomical form acetabular bone rear wall rear pillar steel plate, comprise main body, main body is the wide stripe shape steel plate in narrow middle part, two ends, it comprises upper end screw porose area, middle part screw porose area and lower end screw porose area, between upper end screw porose area and the middle part screw porose area and have locating hole and following locating hole between middle part screw porose area and the lower end screw porose area, upper end screw porose area has at least two screwing holes, middle part screw porose area has screw hole at least four groups, screw hole comprises in the left side of two correspondences screw hole in the screw hole and the right side in every group, in the left side in the left side of screw hole and the right side right side of screw hole protrude with the right side to the left respectively and form left arc protuberance and right arc protuberance; The left and right sides of main body all curves inwardly, and the plate in its screw hole district, middle part is towards the left side or right lateral bending camber plate face, the vertical section, axis of main body is the serpentine curve of three sections curve smoothing transition simultaneously, wherein, upper end screw porose area curves inwardly with the curve that last locating hole constitutes and is mutually circumscribed with the curve of middle part screw porose area formation, the curve that middle part screw porose area constitutes is outwardly-bent and mutually circumscribed with the curve of lower end screw porose area and following locating hole formation, and the curve that lower end screw porose area and following locating hole constitute curves inwardly.
In order to obtain better technique effect, further technical measures also comprise:
Have circular port between the screw hole in every group of above-mentioned middle part screw porose area, circular port is a screw hole, and its center of circle is positioned on the axis of main body.
Another technical scheme can also be: have hex hole between the screw hole in every group of above-mentioned middle part screw porose area, and it is centered close on the axis of main body.
On the arc face that the plate of above-mentioned middle part screw porose area becomes towards left side or right lateral bending in each left side in the center of circle of screw hole, each right side the center of circle, the center of circle of each circular port, the leftmost point of each left arc protuberance and the rightmost point of each right arc protuberance of screw hole be positioned on the isocentric circular arc, its diameter is respectively 104 millimeters, 100.5 millimeters, 97 millimeters, 108 millimeters and 93 millimeters.
On the arc face that the plate of above-mentioned middle part screw porose area becomes towards left side or right lateral bending in each left side in the center of circle of screw hole, each right side the center of circle, the center of each hex hole, the leftmost point of each left arc protuberance and the rightmost point of each right arc protuberance of screw hole be positioned on the isocentric circular arc, its diameter is respectively 104 millimeters, 100.5 millimeters, 97 millimeters, 108 millimeters and 93 millimeters.
Preferably, the curve that middle part screw porose area constitutes on the vertical section, axis of above-mentioned main body is a circular arc; The curve that vertical section, the axis upper and lower side screw porose area of main body and following locating hole constitute is a circular arc.
Above-mentioned upper end screw porose area has 2 or 3 or 4 screwing holes.
Above-mentioned middle part screw porose area has screw hole in four groups or five groups.
The thickness range of above-mentioned main body is 1.5 millimeters to 2.5 millimeters, and optimum thickness is 1.8 millimeters; The last pore diameter range in the screwing hole of upper end screw porose area is 6.0 millimeters to 8.0 millimeters, and following pore diameter range is 4.0 millimeters to 5.2 millimeters; The last pore diameter range of the middle screw hole of middle part screw porose area is 4.0 millimeters to 5.6 millimeters, following pore diameter range is 3.0 millimeters to 3.6 millimeters, and has 30 ° leaning angle and suitable with supporting screw, the nut outer rim of screw is shaped on external screw thread, correspondingly, the last hole wall of the middle screw hole of middle part screw porose area is shaped on the female thread suitable with external screw thread; The last pore diameter range of the lower screw hole of lower end screw porose area is 5.0 millimeters to 9.0 millimeters, and following pore diameter range is 4.0 millimeters to 6.4 millimeters; The last pore diameter range of last locating hole and following locating hole is 4.0 millimeters to 5.0 millimeters, and following pore diameter range is 3.0 millimeters to 3.6 millimeters.
The edge, both ends of above-mentioned main body and both sides of the edge are circular gradual change.
Compared with prior art, a kind of anatomical form acetabular bone rear wall rear pillar steel plate of the present utility model, its structure more meets acetabular bone and pelvic anatomy, biomechanics characteristic, and can be according to different sexes, age, the skeleton size, shape is selected corresponding steel plate type, therefore, avoided steel plate moulding repeatedly, bending can stay indentation or draw stricture of vagina at surface of steel plate, and steel plate stress concentration point is increased, cause the shortcoming of the danger increase of implant fatigue fracture, played and improved fracture internal fixation operation success rate, avoided moulding in the operation, saved operating time, reduce blood loss in the operation, reduce anesthesia duration, reduce infection chance, reduce the effect of operation risk; And internal stress of the present utility model is less, steel plate each several part form transitions smooth, meet the requirement of acetabular bone rear wall rear pillar mechanics form, uniform bending strength is provided, reduce risk of breakage, and this utility model permission appropriateness in three dimensions itself is reversed, bending, be convenient to mouldingly, so that better docile, bear joint motion and load with skeleton, making the normal healing of fracture, reducing the complication such as stress shielding of loosening, the displacement of fracture later stage, pain and bone.
Description of drawings
Fig. 1 is the front view of this utility model embodiment 1;
Fig. 2 is the front view of this utility model embodiment 2;
Fig. 3 is the front view of this utility model embodiment 3;
Fig. 4 is the axis profilograph of Fig. 1;
Fig. 5 is that the A-A of Fig. 1 is to partial schematic sectional view;
Fig. 6 is that the B-B of Fig. 1 is to partial schematic sectional view;
Fig. 7 is that the C-C of Fig. 1 is to partial schematic sectional view;
Fig. 8 is that the D-D of Fig. 1 is to partial schematic sectional view;
Fig. 9 is that the E-E of Fig. 1 is to partial schematic sectional view;
Figure 10 is the screw hole of middle part screw porose area and the sketch map that cooperates of screw;
Figure 11 is the structural representation of screw among Figure 10;
Figure 12 is the enlarged diagram of E portion among Figure 11.
The specific embodiment
Embodiment describes in further detail this utility model below in conjunction with accompanying drawing.
Structure of the present utility model sees that Fig. 1 is to shown in Figure 9.
Embodiment 1: a kind of anatomical form acetabular bone rear wall rear pillar steel plate, comprise main body, main body is the wide stripe shape steel plate in narrow middle part, two ends, it comprises upper end screw porose area 1, middle part screw porose area 2 and lower end screw porose area 3, between upper end screw porose area 1 and the middle part screw porose area 2 and have locating hole 4 and following locating hole 5 between middle part screw porose area 2 and the lower end screw porose area 3, upper end screw porose area 1 has two screwing hole 1a, middle part screw porose area 2 has screw hole in four groups, screw hole comprises in the left side of two correspondences screw hole 2b among the screw hole 2a and the right side in every group, in the left side in the left side of screw hole 2a and the right side right side of screw hole 2b protrude with the right side to the left respectively and form left arc protuberance 2c and right arc protuberance 2d, lower end screw porose area 3 has lower screw hole 3a; The left and right sides of main body all curves inwardly, and the plate in its screw hole district, middle part 2 is towards left lateral bending camber plate face, the vertical section, axis of main body is the serpentine curve of three sections curve smoothing transition simultaneously, wherein, upper end screw porose area 1 curves inwardly with the curve that last locating hole 4 constitutes and is mutually circumscribed with the curve of middle part screw porose area 2 formations, the curve that middle part screw porose area 2 constitutes is outwardly-bent and mutually circumscribed with the curve of lower end screw porose area 3 and following locating hole 4 formations, and the curve that lower end screw porose area 3 and following locating hole 4 constitute curves inwardly.The internal stress of present embodiment is less, steel plate each several part form transitions smooth, meet the requirement of acetabular bone rear wall rear pillar mechanics form, uniform bending strength is provided, reduce risk of breakage, and this utility model permission appropriateness in three dimensions itself is reversed, bending, be convenient to mouldingly, so that better docile, bear joint motion and load with skeleton, making the normal healing of fracture, reducing the complication such as stress shielding of loosening, the displacement of fracture later stage, pain and bone; And the setting of two locating holes can increase reset accuracy and stability, and helps initial fixation.
Have circular port 2e between the screw hole in every group of above-mentioned middle part screw porose area 2, circular port 2e is a screw hole, and its center of circle is positioned on the axis of main body.The hole increases and the nail hole is comparatively sparse because the width of middle part screw porose area 2 suitably increases, follows closely, and can reach the effect of a plurality of free broken bone pieces of better fixed rear wall, and the nail hole is comparatively sparse, then disturbs more conventional reconstruction plate little to local blood fortune; And its distributional class is like the hexagonal configuration of honeycomb, mechanical stability is good, can be screwed into screw according to the needs selectivity of bone fixation folded block in the operation, for the sclerite in small, broken bits that is difficult to be screwed into screw, the nail hole that hexagon distributes can stop osteocomma in small, broken bits, osteocomma is kept preferably resetted, prevent that skeleton from losing.。
On the arc face that the plate of above-mentioned middle part screw porose area 2 becomes towards left side or right lateral bending in each left side in the center of circle of screw hole 2a, each right side the center of circle, the center of circle of each circular port 2e, the leftmost point of each left arc protuberance 2c and the rightmost point of each right arc protuberance 2d of screw hole 2b be positioned on the isocentric circular arc, its diameter is respectively 104 millimeters, 100.5 millimeters, 97 millimeters, 108 millimeters and 93 millimeters; The curve that middle part screw porose area 2 constitutes on the vertical section, axis of above-mentioned main body is a circular arc; The curve that vertical section, the axis upper and lower side screw porose area 3 of main body and following locating hole 5 constitute is a circular arc.More meet acetabular bone and pelvic anatomy, biomechanics characteristic, meet the radian requirement of acetabular bone rear wall, make present embodiment and skeleton more docile, help skeleton normally healing as early as possible.
The thickness range of above-mentioned main body is 1.8 millimeters; The last pore diameter range of the screwing hole 1a of upper end screw porose area 1 is 6.0 millimeters to 8.0 millimeters, and following pore diameter range is 4.0 millimeters to 5.2 millimeters; The last pore diameter range of the middle screw hole of middle part screw porose area 2 is 4.0 millimeters to 5.6 millimeters, following pore diameter range is 3.0 millimeters to 3.6 millimeters, and has 30 ° leaning angle and suitable with supporting screw 6, the nut 6a outer rim of screw 6 is shaped on external screw thread 6b, correspondingly, the last hole wall of the middle screw hole of middle part screw porose area 2 is shaped on the female thread 2g suitable with external screw thread 6b; The last pore diameter range of the lower screw hole 3a of lower end screw porose area 3 is 5.0 millimeters to 9.0 millimeters, and following pore diameter range is 4.0 millimeters to 6.4 millimeters; The last pore diameter range of last locating hole 4 and following locating hole 5 is 4.0 millimeters to 5.0 millimeters, and following pore diameter range is 3.0 millimeters to 3.6 millimeters.The screw hole design versatility of upper end screw porose area 1 and lower end screw porose area 3 is good, and 2 kinds of screws that reconstruction plate is commonly used both at home and abroad all can be used at present; The middle screw hole of middle part screw porose area 2 has 30 ° leaning angle and the screw thread that matches with supporting screw, can pin with supporting screw, steel plate and screw are become one, strengthened mechanical stability, tilt to the inside after screw is screwed into 30 °, can prevent in the screw intrusion hip joint and damage joint; The nut outer rim of screw is shaped on external screw thread, and correspondingly, the last hole wall of middle screw hole is shaped on the female thread suitable with external screw thread, can make screw more firm with combining of screw hole, is difficult for taking place to become flexible, thereby improves fixed effect.
The edge, both ends of above-mentioned main body and both sides of the edge are circular gradual change.Can reduce the invasion to surrounding soft tissue, reduce the dissection of general steel plate sharpened edge to soft tissue, make its surrounding soft tissue be easy to the covering of creeping of growing, dead space around the minimizing steel plate reduces the myositis ossificans incidence rate that causes because of organization of hematoma.
Embodiment 2: a kind of anatomical form acetabular bone rear wall rear pillar steel plate, comprise main body, main body is the wide stripe shape steel plate in narrow middle part, two ends, it comprises upper end screw porose area 1, middle part screw porose area 2 and lower end screw porose area 3, between upper end screw porose area 1 and the middle part screw porose area 2 and have locating hole 4 and following locating hole 5 between middle part screw porose area 2 and the lower end screw porose area 3, upper end screw porose area 1 has three screwing hole 1a, middle part screw porose area 2 has screw hole in five groups, screw hole comprises in the left side of two correspondences screw hole 2b among the screw hole 2a and the right side in every group, in the left side in the left side of screw hole 2a and the right side right side of screw hole 2b protrude to the right respectively and form left arc protuberance 2c and right arc protuberance 2d, lower end screw porose area 3 has lower screw hole 3a; The left and right sides of main body all curves inwardly, and the plate in its screw hole district, middle part 2 is towards the left side or right lateral bending camber plate face, the vertical section, axis of main body is the serpentine curve of three sections curve smoothing transition simultaneously, wherein, upper end screw porose area 1 curves inwardly with the curve that last locating hole 4 constitutes and is mutually circumscribed with the curve of middle part screw porose area 2 formations, the curve that middle part screw porose area 2 constitutes is outwardly-bent and mutually circumscribed with the curve of lower end screw porose area 3 and following locating hole 4 formations, and the curve that lower end screw porose area 3 and following locating hole 4 constitute curves inwardly.
Have hex hole 2f between the screw hole in every group of above-mentioned middle part screw porose area 2, and it is centered close on the axis of main body.
On the arc face that the plate of above-mentioned middle part screw porose area 2 becomes towards left side or right lateral bending in each left side in the center of circle of screw hole 2a, each right side the center of circle, the center of each hex hole 2f, the leftmost point of each left arc protuberance 2c and the rightmost point of each right arc protuberance 2d of screw hole 2b be positioned on the isocentric circular arc, its diameter is respectively 104 millimeters, 100.5 millimeters, 97 millimeters, 108 millimeters and 93 millimeters.
The curve that middle part screw porose area 2 constitutes on the vertical section, axis of above-mentioned main body is a circular arc; The curve that vertical section, the axis upper and lower side screw porose area 3 of main body and following locating hole 5 constitute is a circular arc.
The thickness range of above-mentioned main body is 1.5 millimeters; The last pore diameter range of the screwing hole 1a of upper end screw porose area 1 is 6.0 millimeters to 8.0 millimeters, and following pore diameter range is 4.0 millimeters to 5.2 millimeters; The last pore diameter range of the middle screw hole of middle part screw porose area 2 is 4.0 millimeters to 5.6 millimeters, following pore diameter range is 3.0 millimeters to 3.6 millimeters, and has 30 ° leaning angle and suitable with supporting screw 6, the nut 6a outer rim of screw 6 is shaped on external screw thread 6b, correspondingly, the last hole wall of the middle screw hole of middle part screw porose area 2 is shaped on the female thread 2g suitable with external screw thread 6b; The last pore diameter range of the lower screw hole 3a of lower end screw porose area 3 is 5.0 millimeters to 9.0 millimeters, and following pore diameter range is 4.0 millimeters to 6.4 millimeters; The last pore diameter range of last locating hole 4 and following locating hole 5 is 4.0 millimeters to 5.0 millimeters, and following pore diameter range is 3.0 millimeters to 3.6 millimeters.
The edge, both ends of above-mentioned main body and both sides of the edge are circular gradual change.
Embodiment 3: a kind of anatomical form acetabular bone rear wall rear pillar steel plate, comprise main body, main body is the wide stripe shape steel plate in narrow middle part, two ends, it comprises upper end screw porose area 1, middle part screw porose area 2 and lower end screw porose area 3, between upper end screw porose area 1 and the middle part screw porose area 2 and have locating hole 4 and following locating hole 5 between middle part screw porose area 2 and the lower end screw porose area 3, upper end screw porose area 1 has four screwing hole 1a, middle part screw porose area 2 has screw hole in four groups, screw hole comprises in the left side of two correspondences screw hole 2b among the screw hole 2a and the right side in every group, in the left side in the left side of screw hole 2a and the right side right side of screw hole 2b protrude with the right side to the left respectively and form left arc protuberance 2c and right arc protuberance 2d, lower end screw porose area 3 has lower screw hole 3a; The left and right sides of main body all curves inwardly, and the plate in its screw hole district, middle part 2 is towards left lateral bending camber plate face, the vertical section, axis of main body is the serpentine curve of three sections curve smoothing transition simultaneously, wherein, upper end screw porose area 1 curves inwardly with the curve that last locating hole 4 constitutes and is mutually circumscribed with the curve of middle part screw porose area 2 formations, the curve that middle part screw porose area 2 constitutes is outwardly-bent and mutually circumscribed with the curve of lower end screw porose area 3 and following locating hole 4 formations, and the curve that lower end screw porose area 3 and following locating hole 4 constitute curves inwardly.
Have circular port 2e between the screw hole in every group of above-mentioned middle part screw porose area 2, circular port 2e is a screw hole, and its center of circle is positioned on the axis of main body.
On the arc face that the plate of above-mentioned middle part screw porose area 2 becomes towards left side or right lateral bending in each left side in the center of circle of screw hole 2a, each right side the center of circle, the center of circle of each circular port 2e, the leftmost point of each left arc protuberance 2c and the rightmost point of each right arc protuberance 2d of screw hole 2b be positioned on the isocentric circular arc, its diameter is respectively 104 millimeters, 100.5 millimeters, 97 millimeters, 108 millimeters and 93 millimeters.
The curve that middle part screw porose area 2 constitutes on the vertical section, axis of above-mentioned main body is a circular arc; The curve that vertical section, the axis upper and lower side screw porose area 3 of main body and following locating hole 5 constitute is a circular arc.
The thickness range of above-mentioned main body is 2.5 millimeters; The last pore diameter range of the screwing hole 1a of upper end screw porose area 1 is 6.0 millimeters to 8.0 millimeters, and following pore diameter range is 4.0 millimeters to 5.2 millimeters; The last pore diameter range of the middle screw hole of middle part screw porose area 2 is 4.0 millimeters to 5.6 millimeters, following pore diameter range is 3.0 millimeters to 3.6 millimeters, and has 30 ° leaning angle and suitable with supporting screw 6, the nut 6a outer rim of screw 6 is shaped on external screw thread 6b, correspondingly, the last hole wall of the middle screw hole of middle part screw porose area 2 is shaped on the female thread 2g suitable with external screw thread 6b; The last pore diameter range of the lower screw hole 3a of lower end screw porose area 3 is 5.0 millimeters to 9.0 millimeters, and following pore diameter range is 4.0 millimeters to 6.4 millimeters; The last pore diameter range of last locating hole 4 and following locating hole 5 is 4.0 millimeters to 5.0 millimeters, and following pore diameter range is 3.0 millimeters to 3.6 millimeters.
The edge, both ends of above-mentioned main body and both sides of the edge are circular gradual change.
Owing to the utlity model has plurality of specifications, therefore can select corresponding type according to different sexes, age, skeleton size, shape.Improve fracture internal fixation operation success rate, avoid moulding in the operation, save operating time, reduce blood loss in the operation, reduce anesthesia duration, reduce infection chance, reduce operation risk.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (10)
1, a kind of anatomical form acetabular bone rear wall rear pillar steel plate, comprise main body, it is characterized in that: described main body is the wide stripe shape steel plate in narrow middle part, two ends, it comprises upper end screw porose area (1), middle part screw porose area (2) and lower end screw porose area (3), have locating hole (4) and following locating hole (5) between described upper end screw porose area (1) and the described middle part screw porose area (2) and between described middle part screw porose area (2) and the described lower end screw porose area (3), described upper end screw porose area (1) has at least two screwing holes (1a), described middle part screw porose area (2) has screw hole at least four groups, screw hole comprises in the left side of two correspondences screw hole (2b) in the screw hole (2a) and the right side in described every group, the right side of screw hole (2b) is protruded with the right side to the left respectively and is formed left arc protuberance (2c) and right arc protuberance (2d) in the left side of screw hole in the described left side (2a) and the described right side, and described lower end screw porose area (3) has lower screw hole (3a); The left and right sides of described main body all curves inwardly, and the plate in its screw hole district, middle part (2) is towards the left side or right lateral bending camber plate face, the vertical section, axis of described main body is the serpentine curve of three sections curve smoothing transition simultaneously, wherein, described upper end screw porose area (1) curves inwardly with the described curve of going up locating hole (4) formation and is mutually circumscribed with the curve of described middle part screw porose area (2) formation, the curve that described middle part screw porose area (2) constitutes is outwardly-bent and mutually circumscribed with the curve of described lower end screw porose area (3) and the described formation of locating hole (4) down, and the curve that described lower end screw porose area (3) and described locating hole (4) down constitute curves inwardly.
2, a kind of anatomical form acetabular bone rear wall rear pillar steel plate according to claim 1, it is characterized in that: have circular port (2e) in every group of described middle part screw porose area (2) between the screw hole, described circular port (2e) is a screw hole, and its center of circle is positioned on the axis of described main body.
3, a kind of anatomical form acetabular bone rear wall rear pillar steel plate according to claim 1 is characterized in that: have hex hole (2f) in every group of described middle part screw porose area (2) between the screw hole, and it is centered close on the axis of described main body.
4, a kind of anatomical form acetabular bone rear wall rear pillar steel plate according to claim 2, it is characterized in that: the center of circle of screw hole (2a) in each left side on the arc face that the plate of described middle part screw porose area (2) becomes towards left side or right lateral bending, the center of circle of screw hole in each right side (2b), the center of circle of each described circular port (2e), the leftmost point of each described left arc protuberance (2c) and the rightmost point of each described right arc protuberance (2d) are positioned on the isocentric circular arc, and its diameter is respectively 104 millimeters, 100.5 millimeter, 97 millimeters, 108 millimeters and 93 millimeters.
5, a kind of anatomical form acetabular bone rear wall rear pillar steel plate according to claim 3, it is characterized in that: the center of circle of screw hole (2a) in each left side on the arc face that the plate of described middle part screw porose area (2) becomes towards left side or right lateral bending, the center of circle of screw hole in each right side (2b), the center of each described hex hole (2f), the leftmost point of each described left arc protuberance (2c) and the rightmost point of each described right arc protuberance (2d) are positioned on the isocentric circular arc, and its diameter is respectively 104 millimeters, 100.5 millimeter, 97 millimeters, 108 millimeters and 93 millimeters.
6, a kind of anatomical form acetabular bone rear wall rear pillar steel plate according to claim 1 is characterized in that: the curve that the above middle part screw porose area (2) of the vertical section, axis of described main body constitutes is a circular arc; The above lower end screw porose area (3) and the curve that constitutes of described down locating hole (5) of the vertical section, axis of described main body is circular arc.
7, a kind of anatomical form acetabular bone rear wall rear pillar steel plate according to claim 1, it is characterized in that: described upper end screw porose area (1) has 2 or 3 or 4 screwing holes (1a).
8, a kind of anatomical form acetabular bone rear wall rear pillar steel plate according to claim 1, it is characterized in that: described middle part screw porose area (2) has screw hole in four groups or five groups.
9, a kind of anatomical form acetabular bone rear wall rear pillar steel plate according to claim 1, it is characterized in that: the thickness range of described main body is 1.5 millimeters to 2.5 millimeters, and optimum thickness is 1.8 millimeters; The last pore diameter range in the screwing hole (1a) of described upper end screw porose area (1) is 6.0 millimeters to 8.0 millimeters, and following pore diameter range is 4.0 millimeters to 5.2 millimeters; The last pore diameter range of the middle screw hole of described middle part screw porose area (2) is 4.0 millimeters to 5.6 millimeters, following pore diameter range is 3.0 millimeters to 3.6 millimeters, and has 30 ° leaning angle and suitable with supporting screw (6), nut (6a) outer rim of described screw (6) is shaped on external screw thread (6b), correspondingly, the last hole wall of the middle screw hole of described middle part screw porose area (2) is shaped on the female thread (2g) suitable with described external screw thread (6b); The last pore diameter range of the lower screw hole (3a) of described lower end screw porose area (3) is 5.0 millimeters to 9.0 millimeters, and following pore diameter range is 4.0 millimeters to 6.4 millimeters; The last pore diameter range of last locating hole (4) and following locating hole (5) is 4.0 millimeters to 5.0 millimeters, and following pore diameter range is 3.0 millimeters to 3.6 millimeters.
10, a kind of anatomical form acetabular bone rear wall rear pillar steel plate according to claim 1, it is characterized in that: the edge, both ends of described main body and both sides of the edge are circular gradual change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201201169U CN201211223Y (en) | 2008-06-19 | 2008-06-19 | Anatomic acetabulum back-wall post-pillar steel plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201201169U CN201211223Y (en) | 2008-06-19 | 2008-06-19 | Anatomic acetabulum back-wall post-pillar steel plate |
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| Publication Number | Publication Date |
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| CN201211223Y true CN201211223Y (en) | 2009-03-25 |
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| CNU2008201201169U Expired - Fee Related CN201211223Y (en) | 2008-06-19 | 2008-06-19 | Anatomic acetabulum back-wall post-pillar steel plate |
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| CN (1) | CN201211223Y (en) |
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| CN101953712A (en) * | 2010-10-21 | 2011-01-26 | 李明 | Semi-self-locking acetabulum posterior wall and posterior column anatomical plate |
| CN101972162A (en) * | 2010-10-21 | 2011-02-16 | 李明 | Self-locking acetabular posterior-wall posterior-column anatomical steel plate |
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| CN103393460A (en) * | 2013-08-23 | 2013-11-20 | 李明 | Universal posterior locking anatomic bone fracture plate for acetabulum |
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| CN101953712B (en) * | 2010-10-21 | 2013-01-30 | 李明 | Semi-self-locking acetabulum posterior wall and posterior column anatomical plate |
| CN101972162A (en) * | 2010-10-21 | 2011-02-16 | 李明 | Self-locking acetabular posterior-wall posterior-column anatomical steel plate |
| CN101953712A (en) * | 2010-10-21 | 2011-01-26 | 李明 | Semi-self-locking acetabulum posterior wall and posterior column anatomical plate |
| CN102551867B (en) * | 2012-01-09 | 2014-12-10 | 上海市第一人民医院 | Pelvis arcuate line lower edge anatomic bone fracture plate |
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| CN103393460A (en) * | 2013-08-23 | 2013-11-20 | 李明 | Universal posterior locking anatomic bone fracture plate for acetabulum |
| CN103393460B (en) * | 2013-08-23 | 2015-04-01 | 李明 | Universal posterior locking anatomic bone fracture plate for acetabulum |
| CN103705297A (en) * | 2013-12-27 | 2014-04-09 | 杨鹏 | Acetabulum posterior wall anatomical plate |
| CN103705297B (en) * | 2013-12-27 | 2016-04-06 | 杨鹏 | Acetabulum posterior wall anatomical plate |
| CN105250019A (en) * | 2015-09-01 | 2016-01-20 | 郭晓东 | Acetabula pre/posterior column fracture fixing device and method |
| CN105250019B (en) * | 2015-09-01 | 2018-03-20 | 郭晓东 | The fixing device that the spinous process of the seventh cervical vertebra is rolled over before and after acetabular bone |
| CN105078559A (en) * | 2015-09-25 | 2015-11-25 | 李明 | General acetabulum back wall dissecting and locking bone plate |
| CN105078559B (en) * | 2015-09-25 | 2017-06-23 | 李明 | A kind of universal posterior wall of acetabulum dissects locking bone fracture plate |
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Granted publication date: 20090325 Termination date: 20120619 |