CN201409977Y

CN201409977Y - Bone lamella applicable to hip

Info

Publication number: CN201409977Y
Application number: CN2009201483390U
Authority: CN
Inventors: 李佩渊; 蔡永芳; 曾鼎翔
Original assignee: YITAI TECHNOLOGY Co Ltd
Current assignee: YITAI TECHNOLOGY Co Ltd
Priority date: 2009-04-02
Filing date: 2009-04-02
Publication date: 2010-02-24
Anticipated expiration: 2019-04-02

Abstract

The utility model discloses a bone lamella applicable to hip, which is shaped like a long three-dimensional plate and forms two curvature bends at intervals along the length direction; the structure of the two curvature bends forms a first waist part and a second waist part; for the bone lamella, a first section is from one end to the first waist part along the length direction; a second section is between the first waist part and the second waist part; a third section is from the second waist part to the other end of the bone lamella; the bending deflection of the first section corresponds and conforms to the ischial spine of the hip; the bending deflection of the third section corresponds and conforms to the anterior inferior iliac spine of the hip; the bending deflection of the second section corresponds and conforms to the iliac bone between the ischial spine and the anterior inferior iliac spine; one side of the second section is a remote acetabular bone side which is back to theacetabulum; the other opposite side thereof is a close acetabular bone side which is close to the acetabulum; the inner surface of the second section is a concave cambered surface; and the inner surface of the third section is a concave bottom cambered surface. The bone lamella can more effectively fit the shapes of the corresponding acetabulum zone and the iliac zone, thus leading medical staffsto conduct the operation of amendment, building and completion in the shortest time, and shortening the operation time of fracture.

Description

Be applicable to the hone lamella of hipbone

Technical field

This utility model relates to the health care technology field, refers to especially when the human body hip fracture, is used to rebuild or artificial bone plate that repair of bone fractures is damaged.

Background technology

The pelvis of human body is made up of sacrococcyx and each hipbone of one of both sides at rear, and hipbone partly is made up of ilium, pubis, ischium three, three bone intersections are the acetabular bones that are equivalent to hip joint, acetabular bone is the nest shape, is used to connect the femoral head with shaft of femur, and ilium is positioned at the top of acetabular bone, ilium is not to be rule, single cambered surface, and form varies with each individual, and everyone height, skeleton difference are so the form of ilium is also slightly different.When hipbone runs into contingency generation fracture, in therapeutic process, need artificial bone plate be locked together in fracture site, to treat fracture or reconstruction, repair deficiency with screw.

In the fractures operation, the healthcare givers is according to the variation of patient's acetabular bone, ilium zone arc angle, top rake, curvature, cooperate specific purpose tool, make, bend artificial bone plate and make it distortion, allow the curvature of artificial bone plate, radian shape can mate the fracture area that engages the patient.

Be used to repair the artificial bone plate that engages hipbone at present and be tabular, there is not radian to change, therefore when the healthcare givers is by visual correction artificial bone plate, needs the curvature of corresponding fracture site to carry out several and make operation repeatedly, flat hone lamella is forged into the form of radian, the variation of curvature many places, not only the process complexity, time-consuming, take a lot of work, require great effort, and operating time is long, and anesthesia duration increases relatively, and operation risk strengthens, totally unfavorable to the patient, be to need to improve in fact.

The utility model content

For addressing the above problem, the purpose of this utility model provides a kind of hone lamella that is applicable to hipbone, this hone lamella is divided into three kinds of different radian sections, can more effectively the fit shape in corresponding acetabular bone, ilium zone, help the healthcare givers and revise to make in the shortest time and finish, reduction fracture or damaged bone engage operating time.

For achieving the above object, this utility model is by the following technical solutions:

A kind of hone lamella that is applicable to hipbone, this hone lamella is that microscler solid is tabular, form two curvature turnovers along its length at interval, these two curvature turnovers constitute first waist and second waist respectively, this hone lamella is first section by end to the first waist along its length, be second section between first waist to the second waist, second waist is the 3rd section to the other end of hone lamella, and hone lamella is provided with several lockholes and screw; It is characterized in that:

The length relation of described each section of hone lamella is: first section is less than second section, the 3rd section is less than second section and greater than first section, the first section width is less than the 3rd section, the 3rd section width is less than second section, and the initiating terminal of first, second, third each section is different with the angle between the horizontal plane, the angle of first section is less than the angle of second section, and the angle of second section is less than the angle of the 3rd section; The sag of first section conforms to the ischial spine of hipbone is corresponding, the sag of the 3rd section conforms to the anterior inferior iliac spine of hipbone is corresponding, corresponding conforming to of ilium between the sag of second section and ischial spine, the anterior inferior iliac spine, second section, one side is the mortar side far away of acetabular bone dorsad, another opposite side is the nearly mortar side near acetabular bone, the second section inner surface is a recessed cambered surface, and the 3rd section inner surface is a recessed end cambered surface.

Because adopt technique scheme: this utility model has following positive beneficial effect: this utility model is according to the basic camber tendency of human body acetabular bone, ilium, ischial spine, anterior inferior iliac spine, the hone lamella correspondence is divided into first section, second section, the 3rd section, in the fractures operation, the healthcare givers is according to patient's skeleton curvature, only need local first section, second section, the 3rd section adjusted, need not need start anew to make with the tabular hone lamella as prior art, therefore can create the hone lamella that is applicable to the patient at short notice fast.

Because this utility model is divided into three sections with hone lamella, the healthcare givers can handle at each section one by one and make, can more convenient and quicker, and second section, the 3rd section recessed cambered surface that is shaped in advance, as long as scratch the curved curvature of adjusting each section local location,, make reparation engage the damaged operating time of fracture and reduce significantly just can finish the correction of artificial bone plate at short notice, reduce the corrective surgery risk, also more convenient healthcare givers correctly undergos surgery.

Description of drawings

Fig. 1 is the axonometric chart of this utility model preferred embodiment.

Fig. 2 is the vertical view of this utility model preferred embodiment.

Fig. 3 is the front view of this utility model preferred embodiment.

Fig. 4 is the rearview of this utility model preferred embodiment.

Fig. 5 is the axonometric chart that is incorporated into hipbone of this utility model preferred embodiment.

Number in the figure

10 hone lamellas, 11 first waists

12 second waists, 14 lockholes

20 first sections, 30 second sections, 31 mortar sides far away

321 times sour jujube portions of 32 nearly mortar sides

33 cambered surfaces 40 the 3rd section, 41 end cambered surface

50 hipbones, 51 iliums, 52 ischial spines

53 anterior inferior iliac spines, 54 greater sciatic notchs, 55 acetabular bones

60 femurs, 61 femorals head

The specific embodiment

Please refer to Fig. 1, this utility model is a kind of hone lamella that is applicable to hipbone, this hone lamella 10 is that the microscler solid of bending forming in advance is tabular, form two curvature turnovers along its length at interval, these two curvature turnovers constitute first waist 11 and second waist 12 respectively, first,

second waist

11,12 are divided into three sections zoness of different along its length with hone lamella 10, it is respectively first section 20, second section 30, the 3rd section 40, first section 20, second section 30, the 3rd section 40 is equipped with the poroid lockhole of several countersunk heads (screw) 14, after in lockhole 14, placing bolt, hone lamella 10 fracture site be can be fixed on, thereby fracture or reconstruction engaged, repair of bone fractures is damaged.

Please refer to Fig. 2, Fig. 3, Fig. 4, above-mentioned first section 20, second section 30, the 3rd section 40 length relations are: first section 20 is less than second section 30, the 3rd section 40 is also less than second section 30, but greater than first section 20, in brief, first section 20＜the 3rd section 40＜the second sections 30; And width is partly, then as aforementioned, and first section 20＜the 3rd section 40＜the second sections 30; First section 20 is the thinnest; First section 20, second section 30, the 3rd section 40 each section initiating terminal are different with the angle between the horizontal plane, and its corner dimension is: the angle of the angle of the angle of first section 20＜second section 30＜the 3rd section 40;

Below, further specifying each section shape, first section 20 is 8 fonts; The area of second section 30 is maximum among the three, second section, 30 1 sides are the gentle mortar side 32 far away of lateral bending radian, another opposite side is more straight nearly mortar side 32, nearly mortar side 32 forms the following sour jujube portion 321 of obtuse angle standing shape near first section 20, first waist, 11 intersections, second section, 30 outer surfaces are projecting shape, inner surface is a recessed cambered surface 33, cambered surface 33 forms as shown in Figure 3, Figure 4, the horizontal profile height of cambered surface 33 is successively decreased towards mortar side 31 far away by nearly mortar side 32, so nearly mortar side 32 height are greater than mortar side 31 far away; The 3rd section 40 is to be the inclination shape of wagging the tail, and as shown in Figure 3, Figure 4, the 3rd section 40 outer surfaces also are crowned, and inner surface is a recessed end cambered surface 41.

Please refer to Fig. 3, Fig. 4, shown in Figure 5, acetabular bone 55 tops of hipbone 50 are ilium 51, acetabular bone 55 left sides are ischial spine 52 with page near the ischium place, ilium 51 (with page), the right side front end is an anterior inferior iliac spine 53, because of its left side is an ischium, ischium is greater sciatic notchs 54 near ischial spine 52 side depressions;

Everyone is because of skeleton size, size difference, acetabular bone 55, anterior inferior iliac spine 53, ischial spine 52 radians and curvature have some differences, yet hone lamella 10 of the present utility model is the non-tablet shape, the radian of its three sections is to intend making according to acetabular bone 55, anterior inferior iliac spine 53, ischial spine 52 cardinal principle skeleton cambers, therefore in the middle of fracture engages operation, can be in the shortest time, create the hone lamella 10 that bending is suitable for according to the shape of the anterior inferior iliac spine 53 of patient's hipbone, ischial spine 52.

Hone lamella 10 of the present utility model is divided into three sections sections, i.e. first section 20, second section 30, the 3rd section 40, so the healthcare givers adjusts one by one at each section and makes, little and the on the whole curved surface of anterior inferior iliac spine 53 areas wherein, therefore as long as curved a little radian of scratching this utility model the 3rd section 40 end cambered surface 41 can well cover patient's acetabular bone 55 and anterior inferior iliac spine 53 positions.

In like manner, the healthcare givers is according to patient's ischial spine 52, ilium 51 curved surfaces between the anterior inferior iliac spine 53, make and scratch curved second section 30 in mortar side 31 far away, the difference in height of nearly mortar side 32 neighboring areas and horizontal plane, thereby adjust the bending curvature of cambered surface 33, make the surperficial camber of second section, 30 applying iliums 51, form nearly mortar side 32 near acetabular bone 55, the corner of 32 corresponding applying greater sciatic notchs 54 of following sour jujube portion, with as much as possible near the outer peripheral edges of acetabular bone 55, avoid fracture to influence the joint connection relationship of acetabular bone 55 and femoral head 61, and first section 20 meets the shape of ischial spine 52, as long as scratch curved first section 20 a little, can fit on the ischial spine 52, when make finish after, hone lamella 10 coincide with hipbone 50 couplings, places bolt again and fixed and get final product in lockhole.

In sum as can be known, hone lamella of the present utility model is divided into first section 20, second section 30, the 3rd section 40, the sag of this

first section

20 and 52 corresponding conforming to of the ischial spine of hipbone, the sag of the

3rd section

40 and 53 corresponding conforming to of the anterior inferior iliac spine of hipbone, the sag of second section 30 and ischial spine 52, ilium 51 correspondences between the anterior inferior iliac spine 53 conform to, when the healthcare givers tailors hone lamella by the curvature of patient's fracture site, only need first section 20, second section 30, the 3rd section 40 local correction, shorten so make the time of hone lamella 10, help quick joint, repair of bone fractures.

The foregoing description only is illustrative technology of the present utility model and effect thereof, but not is used to limit this utility model.Any ripe personage in this technology all can be under the situation of know-why of the present utility model and spirit, and the foregoing description is made amendment and changed, and therefore protection domain of the present utility model such as claims are listed.

Claims

1, a kind of hone lamella that is applicable to hipbone, this hone lamella is that microscler solid is tabular, form two curvature turnovers along its length at interval, these two curvature turnovers constitute first waist and second waist respectively, this hone lamella is first section by end to the first waist along its length, be second section between first waist to the second waist, second waist is the 3rd section to the other end of hone lamella, and hone lamella is provided with several lockholes and screw; It is characterized in that:

2, the hone lamella that is applicable to hipbone as claimed in claim 1, it is characterized in that: first section of described hone lamella is 8 fonts, the mortar lateral bending radian far away of second section is gentle, nearly mortar side outer rim is than flat shape, nearly mortar side joint is bordering on the following sour jujube portion that first section, the first waist intersection form the obtuse angle standing shape, and the height of the horizontal section of second section is successively decreased towards mortar side far away by nearly mortar side.