CN201920878U - Caput femoris support frame - Google Patents

Caput femoris support frame Download PDF

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Publication number
CN201920878U
CN201920878U CN 201120024883 CN201120024883U CN201920878U CN 201920878 U CN201920878 U CN 201920878U CN 201120024883 CN201120024883 CN 201120024883 CN 201120024883 U CN201120024883 U CN 201120024883U CN 201920878 U CN201920878 U CN 201920878U
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China
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end
support frame
hollow screw
provided
slider
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CN 201120024883
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Chinese (zh)
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曹燕明
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广州医学院第二附属医院
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Publication of CN201920878U publication Critical patent/CN201920878U/en

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Abstract

The utility model relates to a caput femoris support frame which is characterized in that the caput femoris support frame comprises a hollow screw-shaped structure body, wherein the front end of the hollow screw-shaped structure body is provided with a strip-shaped opening; the tail end of the hollow screw-shaped structure body is cylindrical; a slide block is arranged in the hollow screw-shaped structure body and is connected with a rotary push rod; the slide block is ejected by the movement of the rotary push rod and slides out along the strip-shaped opening; and the slide block is hogged out after meeting resistance to form the support frame. In the caput femoris support frame, strength for supporting caput femoris can be adjusted randomly, a new bone can be pulled at any time after growing, the decompressing action is realized when the support frame is put into the caput femoris in the operation, such as marrow core decompression. The caput femoris support frame has wide indication for I-III type femoral head necrosis. The support frame can perform the supporting action of vascular bone flaps, and does not cause big trauma on tissues during the operation of transplanting the vascular bone flaps. When the caput femoris is supported by stable mechanical support force, systemic therapy or local therapy for patients can be carried out.

Description

一种股骨头支撑架 One kind of the femoral head support frame

技术领域 FIELD

[0001] 本实用新型涉及一种医疗辅助器械,特别是涉及一种股骨头支撑架;该支撑架用于无菌缺血性股骨头坏死后支撑关节软骨下骨,起到对股骨头内的减压及支撑作用,防止股骨头塌陷,并可通过导管向股骨头注药,促进死骨吸收,新生骨形成,同时可预防股骨头颈部的骨折。 [0001] The present invention relates to a medical device, in particular, to a femoral bracket; the bracket support sterile avascular femoral head necrosis of bone articular cartilage, the functions of the femoral head under reduced pressure and supporting role, to prevent collapse of the femoral head, the femoral head and through the conduit to the injection, death promoting bone resorption, new bone formation, while preventing fracture of the femoral head and neck.

背景技术 Background technique

[0002] 目前,在股骨头坏死的治疗中,股骨头塌陷是一个棘手的问题,一旦股骨头塌陷, 关节面不光滑,则造成不可逆的骨性关节炎的破坏。 [0002] Currently, the treatment of femoral head necrosis, femoral head collapse is a difficult problem, once the femoral head collapse, not smooth articular surface, the irreversible damage of osteoarthritis. 股骨头缺血性坏死是由于不同病因,破坏了股骨头的血液供应,所造成的最终结果。 Avascular necrosis is the final result due to different causes, destroys the blood supply to the femoral head, caused. 股骨头坏死的早中期治疗是目前骨科面临的难题,其治疗方法虽多,但疗效均不太满意,往往进一步发展至塌陷或已存在的塌陷进一步加重,最终不得不行髋关节置换术。 Osteonecrosis of the early and mid-treatment is orthopedic problems currently faced by its treatment are numerous, but the effects are not very satisfied, tend to collapse or further develop existing collapse further increased, the line eventually had hip replacement surgery. 然而,股骨头坏死病人多发生于30〜50岁年龄组,不适合过早行全髋置换,且全髋置换对股骨头坏死的疗效较其他疾病差。 However, patients with femoral head necrosis occurred in 30 ~ 50 age group, are not suitable for premature total hip replacement and total hip arthroplasty for osteonecrosis of poor efficacy than other diseases. 因此采用有效的方法防止股骨头塌陷的发生和发展,促进坏死区新骨再生成为了研究重点。 Therefore, the use of effective methods to prevent the occurrence and development of femoral head collapse, and promote the regeneration of new bone necrosis has become a research focus.

实用新型内容 SUMMARY

[0003] 本实用新型的目的,是为了解决上述问题,提供了一种股骨头支撑架,从股骨粗隆处将该支撑架打入股骨头内,远端撑开,增加股骨头软骨下骨的的机械支撑力,可防止股骨头坏死后股骨头软骨下骨的塌陷的发生和发展,并可通过向导管内注药,促进坏死区新生骨形成,又可减少对周围软组织及神经血管的损伤,对I到III期股骨头坏死有广泛的适应症,极力解决目前早中期股骨头坏死治疗的难题。 [0003] The object of the present invention is to solve the above problems, there is provided a femoral head supporting frame, the supporting frame from the trochanter into the femoral head, distal distraction, increase bone femoral head cartilage the mechanical support, and the development of necrosis of the femoral head can be prevented collapsed femoral head bone cartilage, and through the inner catheter injection, necrosis promote new bone formation, but also reduce the damage to the surrounding soft tissue and nerves and blood vessels, I to phase III of osteonecrosis have a wide range of indications, we tried to solve the current problems as early as mid-term treatment of femoral head necrosis.

[0004] 本实用新型的目的可以通过如下措施达到: [0004] The object of the present invention can be attained by the following measures:

[0005] 一种股骨头支撑架,其结构特点是:包括空心螺杆状结构体,在其前端设有一条状开口,空心螺杆状结构体的末端为圆柱型,在空心螺杆状结构体内有一滑动块,该滑动块连接有旋转推杆,通过旋转推杆运动可将滑动块顶起并使滑动块沿条状开口滑出,该滑动块在遇阻力后拱起、形成支撑架。 [0005] A femoral support frame, which structure is characterized by: comprising a hollow screw-shaped structure, provided with a shaped opening at its front end, screw-shaped end of the hollow body is cylindrical structure, a sliding body in the hollow screw-shaped structure block, the sliding block is connected to the rotating push rod, the push rod by the rotary movement of the slider can be pushed up along the strip and the opening slider from slipping out, the sliding resistance encountered after block arching, forming support frame.

[0006] 本实用新型的目的还可以通过如下措施达到: [0006] The object of the present invention may also be achieved by the following measures:

[0007] 本实用新型的一种实施方式是:空心螺杆状结构体包括空心螺杆、滑动块、内轴、 挡圈、内套、螺母和把手; [0007] One embodiment of the present invention is: a hollow screw-shaped structure comprises a hollow screw, the slider, the inner shaft, ring, inner sleeve, nut, and a handle;

[0008] 1)所述空心螺杆1的轴向截面为阶梯状,其大半径端的右端端面开口、小半径端的左端端面封口,空心螺杆的小半径端的侧壁设有方形通孔;滑动块的右端设有弧形钩,滑动块的左端设有支撑平台;内轴的左端设有缺口,在缺口中设有销轴;内轴的右端设有外螺纹段;滑动块和内轴依次安装在空心螺杆的内腔中,所述滑动块的支撑平台正对空心螺杆侧壁上的方形通孔;内轴左端的销轴安装在滑动块右端的弧形钩的内弧中,内轴右端的外螺纹段沿空心螺杆的大半径端开口向外伸出; Axial section [0008] 1) of the hollow screw 1 is stepped, the large radius end thereof an opening end surface of the right end, the left end surface of the small radius end sealing, small radius end of the side wall of the hollow screw is provided with a square through hole; sliding block arcuate hook has a right end, the left end of the slide block is provided with a support platform; the left end of the inner shaft is provided with a notch, the pin is provided in the gap; the right end of the inner shaft is provided with an externally threaded section; sliding blocks and sequentially mounted on the inner shaft the lumen of the hollow screw, the support platform, said sliding block being of square through holes in the side wall of the hollow screw; the left end of the inner shaft pin is mounted in the inner arc of the curved hook of the slide block in a right end, the right end of the inner shaft external threaded section of the screw along a large radius of the hollow end opening outwardly;

[0009] 2)所述内套的轴向截面为三级阶梯状,内套的内壁设有与内轴的外螺纹相配合的内螺纹;内套套接在内轴右端,内套的第一阶梯段和第二阶段端位于空心螺杆的大半径端的内腔中,其第三阶梯段沿空心螺杆的大半径端的开口向外伸出;挡圈套接在内套的第二阶梯段的外壁上、并与空心螺杆的大半径端固定连接;把手套接在内套的第三阶梯段的外壁上;螺母安装在内轴的外螺纹段的末端。 The [0009] 2) within an axial section of three sets of stepped inner wall of the inner sleeve is provided with an internal thread and the external thread mating the inner shaft; right end of the inner shaft connected to the condom, the first inner sleeve step section and the second stage end of the hollow lumen of the large radius end of the screw in which the third step section along the major radius of the hollow screw projects outwardly of the open end; an outer wall of the inner ring socket sets a second step section , and the large radius end of the fixed hollow screw connection; handle socket outer wall of the inner sleeve of the third step section; externally threaded nut mounting end of the inner shaft section.

[0010] 本实用新型的一种实施方式是:所述空心螺杆的小半径端的左端端面的内壁设有斜面,与之对应,所述滑动块的左端端面设有斜面。 [0010] One embodiment of the present invention is: an inner wall of the hollow screw of the left end surface of the small radius end is provided with a bevel, corresponding, left end surface of the sliding block provided with a bevel.

[0011] 本实用新型的一种实施方式是:所述滑动块的支撑平台的右侧设有圆弧过渡段。 [0011] One embodiment of the present invention is: the right side of the sliding block supporting platform provided with arcuate transition segment.

[0012] 本实用新型的一种实施方式是:所述内套的第三阶梯段的径向截面为方形,与之对应,所述把手7的套接口的形状为方形。 [0012] One embodiment of the present invention is: the sleeve inner radial section of the third ladder section is square, the corresponding shape of the socket 7 of the handle is a square.

[0013] 本实用新型的一种实施方式是:所述内轴的内部设有空心通道,在空心通道中设 [0013] One embodiment of the present invention is: the interior of the inner shaft is provided with a hollow channel, the hollow channel provided in the

置导管。 Catheter set.

[0014] 本实用新型的一种实施方式是:空心螺杆状结构体由不锈钢记忆合金制成。 [0014] One embodiment of the present invention is: a hollow screw-shaped structure of memory alloy of stainless steel.

[0015] 本实用新型的有益效果是: [0015] The beneficial effects of the present invention are:

[0016] 1、本实用新型是提供一种用于支撑股骨头防止其塌陷的记忆合金做的股骨头支撑架。 [0016] 1, the present invention is to provide a method for supporting the femoral head to prevent its collapse of the femoral head support frame memory metal. 该支撑架的特点是从股骨粗隆处钻孔将支撑架向股骨头将要塌陷部分打去,其尖端受热张开向外弯曲,形成一平台支撑股骨头将塌陷的部分。 Characteristics of the support frame is drilled into the femoral head support bracket portion to be collapsed to play from the trochanter, which is bent outwardly flared tip is heated, forming part of a platform supporting the femoral head collapse. 支撑股骨头的强度可随意调节, 新骨生成后也可随时拔出,在手术将支撑架打入股骨头时,也同时起到减压作用,就如同髓蕊减压术一样。 Strength of the support of the femoral head can be adjusted, after the formation of new bone may be removed at any time, at the time of surgery into the femoral head support frame, also play a role under reduced pressure, just as the same pulp core decompression. 对I至III的股骨头坏死有广泛的适应症。 I to III of osteonecrosis have a wide range of indications. 该支撑架即可象起到带血管骨瓣所起的支撑作用,又可不必象移植带血管的骨瓣手术那样对组织创伤大。 The supporting frame can play a supportive role as played with vascularized bone, but also do not have as large of bone tissue trauma such as surgery vascularized transplant. 在股骨头有稳固的机械支撑力下也可对患者给予中药全身或局部治疗。 In the femoral head may also be administered to the patient under treatment local or systemic medicine firm mechanical support.

[0017] 2、从股骨粗隆处将本实用新型所述的支撑架打入股骨头内,旋转把手,推动滑动块顶起坏死区域的骨质,增加股骨头软骨下骨的的机械支撑力,可防止股骨头坏死后股骨头软骨下骨的塌陷的发生和发展,并可通过向导管内注药,促进坏死区新生骨形成,又可减少对周围软组织及神经血管的损伤,对I到III期股骨头坏死有广泛的适应症,极力解决目前早中期股骨头坏死治疗的难题。 [0017] 2, the trochanter from the support frame of the present invention into the femoral head, rotation of the handle, pushing the slider from a top region of bone necrosis, increased mechanical support of the femoral head bone cartilage, prevented the development and collapse of the femoral head bone cartilage femoral head necrosis, and through the inner catheter injection, necrosis promote new bone formation, but also reduce the damage to the surrounding soft tissue and nerves and blood vessels of stage I to III osteonecrosis have a wide range of indications, we tried to solve the current problems as early as mid-term treatment of femoral head necrosis.

附图说明 BRIEF DESCRIPTION

图1是本实用新型具体实施例的整体结构示意图。 FIG 1 is an overall schematic structural view of the specific embodiment of the present invention. 图加是本实用新型具体实施例的空心螺杆的剖视图。 FIG plus embodiment is a sectional view of a hollow screw particular embodiment of the present invention. 图2b是本实用新型具体实施例的空心螺杆的俯视图。 2b is a plan view of a hollow screw of the embodiment of the present invention specific embodiments. 图3a是本实用新型具体实施例的滑动块的侧视图。 3a is a side view of the slider according to the specific embodiment of the present invention. 图:¾是本实用新型具体实施例的滑动块的立体图。 FIG: ¾ is a perspective view of the sliding block embodiment of the present invention, a specific example. 图4a是本实用新型具体实施例的内轴的剖视图。 4a is a sectional view of the embodiment of the inner shaft particular embodiment of the present invention. 图4b是本实用新型具体实施例的内轴的俯视图。 FIG. 4b is a top view of the embodiment of the inner shaft particular embodiment of the present invention. 图5a是本实用新型具体实施例的内套的剖视图。 Figure 5a is a sectional view of the inner sleeve embodiment of the present invention, a specific example. 图恥是本实用新型具体实施例的内套的立体图。 FIG shame is a perspective view of the inner sleeve particular embodiment of the present invention embodiment. 图6是本实用新型具体实施例的挡圈的立体图。 FIG 6 is a perspective view of the retaining ring embodiment of the present invention the specific embodiment. 图7a是本实用新型具体实施例的把手的主视图。 Figure 7a is a front view of the handle of the embodiment of the present invention, a specific example. 图7b是本实用新型具体实施例的把手的俯视图。 7b is a top view of the handle of the embodiment of the present invention, a specific example. 具体实施方式 Detailed ways

[0030] 以下结合附图及实施例对本实用新型作进一步的详细描述: [0030] accompanying drawings and the following detailed description of embodiments of the present invention further embodiment:

[0031] 具体实施例1 : [0031] DETAILED DESCRIPTION Example 1:

[0032] 参照图1,本实施例包括空心螺杆状结构体,在其前端设有一条状开口,空心螺杆状结构体的末端为圆柱型,在空心螺杆状结构体内有一滑动块,该滑动块连接有旋转推杆, 通过旋转推杆运动可将滑动块顶起并使滑动块沿条状开口滑出,该滑动块在遇阻力后拱起、形成支撑架。 [0032] Referring to FIG 1, the present embodiment includes a hollow screw-shaped structure provided at its front end a shaped opening end of the hollow screw-shaped structure is cylindrical, having a slide block in a hollow bolt-shaped structures in the body, the sliding block rotating the push rod is connected, the pusher from rotational motion by the slider can slide block along the top and slide out of the opening strip, the sliding resistance encountered after block arching, forming support frame. 空心螺杆状结构体包括空心螺杆1、滑动块2、内轴3、挡圈4、内套5、螺母6和把手7。 A hollow screw-shaped structure comprises a hollow screw 1, slider 2, the inner shaft 3, the ring 4, inner sleeve 5, the nut 6 and 7 the handle. 空心螺杆状结构体由不锈钢记忆合金制成。 A hollow screw-shaped structure of memory alloy of stainless steel.

[0033] 参照图2a、图2b,所述空心螺杆1的轴向截面为阶梯状,其大半径端11的右端端面开口、小半径端12的左端端面封口,空心螺杆1的小半径端12的侧壁设有方形通孔13。 [0033] Referring to Figures 2a, 2b, the cross section of the hollow screw 1 is axially stepped ends of its large radius right end surface of the opening 11, the left end of the small radius of the end face seal 12, small radius end 12 of hollow screw 1 the side wall 13 is provided with a square through hole. 所述空心螺杆1的小半径端12的左端端面的内壁设有斜面14。 Small radius of the hollow screw an end surface 12 of the left end of the inner wall 14 provided with a bevel.

[0034] 参照图3a、图北,所述滑动块2的右端设有弧形钩21,滑动块2的左端设有支撑平台22。 [0034] Referring to FIG 3a, FIG north, the right end of the slide block 2 is provided with an arcuate hook 21, the left end of the slider 22 support platform 2 is provided. 所述滑动块2的左端端面设有斜面23。 The left end of the slider 2 provided with a bevel end face 23. 所述滑动块2的支撑平台22的右侧设有圆弧过渡段对。 The sliding block 22 on the right side of the support platform 2 is provided with an arc transition section pair.

[0035] 参照图4a、图4b,所述内轴3的左端设有缺口31,在缺口31中设有销轴32 ;内轴3的右端设有外螺纹段33。 [0035] Referring to Figures 4a, 4b, the left end of the inner shaft 3 is provided with a notch 31, with the pin 32 in the notch 31; the right end of the inner shaft 3 is provided with an externally threaded section 33. 所述内轴3的内部设有空心通道,在空心通道中设置导管。 The inner shaft 3 is provided with a hollow inner passage, the conduit disposed in the hollow passage.

[0036] 参照图1〜图4b,滑动块2和内轴3依次安装在空心螺杆1的内腔中,所述滑动块2的支撑平台22正对空心螺杆1侧壁上的方形通孔13 ;内轴3左端的销轴32安装在滑动块2右端的弧形钩21的内弧中,内轴3右端的外螺纹段33沿空心螺杆1的大半径端11开口向外伸出。 [0036] Referring to FIG. 1 ~ FIG. 4b, the slider 2 and the inner shaft 3 are sequentially mounted in the lumen of the hollow screw 1, the sliding support block 22 of the platform facing the square through holes in the side wall of the hollow screw 13 ; 3 left end of the shaft 32 within the arcuate hook pin mounted within the right end of the slider 2 in the arc 21, an externally threaded section 33 of the right end of the inner shaft 3 along a large radius of the hollow screw projects outwardly of the open end 11.

[0037] 参照图1和图5a、图恥,所述内套5的轴向截面为三级阶梯状,内套5的内壁设有与内轴3的外螺纹相配合的内螺纹;内套5套接在内轴3右端,内套5的第一阶梯段51和第二阶段端52位于空心螺杆1的大半径端11的内腔中,其第三阶梯段53沿空心螺杆1的大半径端11的开口向外伸出。 [0037] Referring to FIG. 1 and FIG. 5a, shame, the inner sleeve 5 in axial section of three stepped inner wall of the sleeve 5 is provided with an internal thread and the external thread mating the inner shaft 3; inner sleeve 5 sleeved right inner shaft 3, the inner sleeve 51 and the first step section 5 of the second stage is located in the lumen end 52 of hollow screw 1 of the large radius end 11 in which the third section along the large step 53 of hollow screw 1 opening radius end 11 projecting outwardly.

[0038] 参照图1和图6,挡圈4套接在内套5的第二阶梯段52的外壁上、并与空心螺杆1 的大半径端11固定连接。 [0038] Referring to FIG 1 to FIG 6, the socket 4 and the inner ring wall of the outer sleeve 5 a second step section 52, and the large radius end 11 of hollow screw 1 is fixedly connected.

[0039] 参照图1和图7a、图7b,把手7套接在内套5的第三阶梯段53的外壁上;螺母6 安装在内轴3的外螺纹段的末端。 [0039] Referring to FIG. 1 and FIG. 7a, 7b, the handle 7 is sleeved jacket outer wall of the inner section 5 of the third step 53; the inner end of the nut 6 is mounted externally threaded shaft 3 of the segment.

[0040] 本实用新型的工作原理如下: [0040] The present invention works as follows:

[0041] 1、当支撑架未撑开时,滑动块2位于空心螺杆1的内腔中。 [0041] 1, when the support frame is not softened, the slider 21 of the hollow inner cavity of the screw.

[0042] 2、套上把手7后,逆时针旋转把手7,此时内轴3会向滑动块2的方向推动,由于空心螺杆1的小半径端12的左端端面封口,滑动块只能沿空心螺杆1的小半径端12的左端的斜面移动,使滑动块的支撑平台从空心螺杆1的小半径端12的侧壁上的方形通孔13中穿出,向侧方撑开。 [0042] 2, put the handle post 7, the handle 7 is rotated counterclockwise, the shaft 3 pushes the slider 2 in the direction of this time, since the left end 12 of hollow screw 1 is small radius end sealing end faces, the block can only slide along the small radius of the hollow of the screw 1 moves the left end of the inclined surface 12 of the slide block support platform square through hole 13 piercing the side walls 12 of small radius of the screw 1 from the hollow end, laterally stretched. 在治疗股骨头坏死时,此种状态下,可使支撑架将坏死骨撑起。 In the treatment of femoral head necrosis, this state, the support frame can hold up to necrosis of the bone. 在治疗股骨颈骨折和股骨粗隆骨折时,可防止支撑架在股骨颈内旋转,防止支撑架后退,滑出股骨颈,从而使支撑架在股骨颈内更加稳固,起倒固定骨折的作用。 In the treatment of intertrochanteric fractures and fractures of the femoral neck to prevent rotation of the support frame in the neck, to prevent the back support frame, sliding out of the femoral neck, so that the support frame is more stable in the femoral neck fracture fixation pour from.

[0043] 3.待充分撑开后,拧紧安装在内轴3的右端末端的螺母6,即可防止内轴3滑动, 并使滑动块固定不动。 After [0043] 3 to be fully stretched, tightening the mounting nut right end of the inner shaft 3 of the end 6, the inner shaft 3 is slid can be prevented, and the slider is immobilized. [0044] 本实用新型的应用方法如下: [0044] Applications of the present invention as follows:

[0045] 从股骨粗隆处钻孔,直径约1cm,将股骨头支撑架沿骨孔打入,向股骨头将要塌陷部分打去,直达股骨头负重区软骨下骨,旋转推杆顶起空心螺杆内滑的动块,形成一平台支撑股骨头将塌陷部分顶起将塌陷的软骨,可于金属片下植骨,起到支撑作用。 [0045] intertrochanteric from the borehole, diameter of about 1cm, along the femoral bone hole into the support frame to be collapsed femoral head part to play, direct femoral head bone under the cartilage area, rotating the push rod from the top of the hollow moving the slide block in screw form a platform supporting the femoral head collapse from the collapsed portion of the top cartilage, bone graft can be in the lower metal plate, play a supporting role. 还可在产品内设计一空心通道放入导管,并通过注药起到局部治疗股骨头坏死,促进新生骨的生长,恢复坏死区血运。 A hollow channel may also be designed into the conduit, and injection functions by topical treatment of femoral head necrosis, promote the growth of new bone, restore blood flow in the product necrosis. 新骨形成后也可随时拔出支撑架。 After the formation of new bone may be removed at any time the support frame. 本实用新型也可用于股骨粗隆间和股骨颈骨折,方法是从股骨粗隆处钻孔,末端直达骨折远端,旋转推杆顶起空心螺杆内的滑动块, 起到支撑固定作用。 The present invention can also be used and intertrochanteric femoral neck fractures, intertrochanteric is from the borehole, fractures of the distal end of the direct rotational sliding blocks within push rod from the top of the hollow screw, play a supporting role in fixing. 特别适用于骨质疏松患者。 Especially for patients with osteoporosis.

[0046] 本实用新型特别适用于: [0046] The present invention is particularly suitable for:

[0047] 1、治疗股骨头坏死病人 [0047] 1, patients with femoral head necrosis

[0048] 股骨头坏死病人,其股骨头末端缺血坏死,软骨下骨出现坏死骨,至软骨下骨强度下降,会出现关节软骨塌陷,股骨头变形,使髋关节出现不可逆的损害。 [0048] patients femoral head necrosis, ischemic necrosis of the femoral head end, necrotic subchondral bone appeared to decrease the subchondral bone strength, will collapse of articular cartilage, femoral deformation, the hip joint irreversible damage. 在出现坏死塌陷之前,从股骨粗隆打入支撑架,使末端放置在股骨头内,旋转末端,推动滑动块顶起坏死区域的骨质,防止关节软骨的塌陷。 Before necrosis collapse, from the support frame into the intertrochanteric the tip in the femoral head, the end of rotation, pushing the slider from a top region of the necrotic bone, prevent collapse of articular cartilage.

[0049] 2、治疗股骨颈骨折病人 [0049] 2, femoral neck fracture patients

[0050] 股骨颈骨折病人,可在X光引导下,于股骨粗隆处开口准备骨隧道,将支撑架末端放置股骨头处,旋转支撑架未端,使支撑架末端在股骨头内形成张力,不能退出起到支撑作用,以股骨颈骨折起到固定作用。 [0050] femoral neck fracture patients, the X-ray can be guided to the opening preparation trochanteric bone tunnel, the femoral head is placed at the end of the support frame, the support frame is not the end of rotation, so that the end of the support frame is formed in the femoral head tension , can not quit play a supporting role to play femoral neck fracture fixation.

[0051] 3、治疗股骨粗隆间骨折 [0051] 3, treatment of intertrochanteric fractures

[0052] 股骨粗隆间骨折病人,可在X光引导下,于股骨粗隆处开口准备骨隧道,将支撑架末端放置股骨头处,旋转支撑架末端,使支撑架末端在股骨头内形成张力,不能退出起到支撑作用,对股骨粗隆间骨折起到固定作用。 [0052] intertrochanteric fracture patients, the X-ray can be guided to the opening preparation trochanteric bone tunnel, the femoral head is placed at the end of the support bracket, the rotation support frame end so that the support frame is formed in the end of the femoral head tension, not quit play a supporting role, to play intertrochanteric fracture fixation.

[0053] 以上所述,仅为本实用新型较佳的具体实施例,但本实用新型的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本实用新型揭露的范围内,根据本实用新型的技术方案及其实用新型构思加以等同替换或改变,都属于本实用新型的保护范围。 [0053] The above are only preferred invention embodiment, the scope of protection of the present invention is not limited thereto, any skilled in the art in the art within the scope of the disclosure of the present invention, in accordance with aspect of the present invention and the invention concept to be altered or equivalents, all belong to the scope of protection of the present invention.

Claims (7)

1. 一种股骨头支撑架,其特征是:包括空心螺杆状结构体,在其前端设有一条状开口, 空心螺杆状结构体的末端为圆柱型,在空心螺杆状结构体内有一滑动块,该滑动块连接有旋转推杆,通过旋转推杆运动可将滑动块顶起并使滑动块沿条状开口滑出,该滑动块在遇阻力后拱起、形成支撑架。 A femoral support frame, characterized in that: a screw-like structure comprising a hollow body provided with an opening at its front end a shaped, screw-shaped end of the hollow body is a cylindrical structure with a slider-like structure in the hollow screw body, the rotating push rod connecting slider, the slider can be pushed up along the strip and a slider from slipping out through the opening rotational movement of the push rod, the slide block in the case of resistance arching, forming support frame.
2.根据权利要求1所述的一种股骨头支撑架,其特征是:空心螺杆状结构体包括空心螺杆(1)、滑动块⑵、内轴(3)、挡圈(4)、内套(5)、螺母(6)和把手(7);1)所述空心螺杆(1)的轴向截面为阶梯状,其大半径端(11)的右端端面开口、小半径端(1¾的左端端面封口,空心螺杆(1)的小半径端(1¾的侧壁设有方形通孔(1¾ ;滑动块(2)的右端设有弧形钩(21),滑动块O)的左端设有支撑平台0¾ ;内轴(3)的左端设有缺口(31),在缺口(31)中设有销轴(32);内轴(3)的右端设有外螺纹段(33);滑动块(2) 和内轴(3)依次安装在空心螺杆(1)的内腔中,所述滑动块O)的支撑平台(22)正对空心螺杆(1)侧壁上的方形通孔(1¾ ;内轴(¾左端的销轴(3¾安装在滑动块(¾右端的弧形钩的内弧中,内轴⑶右端的外螺纹段(33)沿空心螺杆⑴的大半径端(11)开口向外伸出;2)所述内套 A femoral head according to claim 1, said support frame, characterized in that: a hollow screw-shaped structure comprises a hollow screw (1), slide block ⑵, the inner shaft (3), ring (4), the inner sleeve (5), the nut (6) and a handle (7); 1) of the hollow screw (1) is stepped axial section, a large radius which ends (11) of the right end surface of the opening, a small radius end (left end in 1¾ sealing the end faces, the hollow screw (1) of small radius end (1¾ side wall is provided with a square through hole (1¾; slider (2) is provided with a left end of the right arcuate hook (21), the slider O) is provided with a support internet 0¾; left end of the inner shaft (3) provided with notches (31) provided with pins (32) in the notch (31); the right end of the inner shaft (3) is provided with an external threaded section (33); a slider ( 2) and the inner shaft (3) are sequentially mounted in the hollow screw (1) in the lumen, the slider O) of the support platform (22) n (1) through holes in the square side walls of the hollow screw (1¾; (¾ left end of the inner shaft pin (3¾ mounted within arc slider (¾ right arcuate hook, the outer thread segments ⑶ right end of the inner shaft (33) along the large radius end of the hollow screw ⑴ (11) to the opening extending outwardly; 2) of the inner sleeve (5)的轴向截面为三级阶梯状,内套(5)的内壁设有与内轴(3)的外螺纹相配合的内螺纹;内套(¾套接在内轴C3)右端,内套(5)的第一阶梯段(51)和第二阶段端(52)位于空心螺杆(1)的大半径端(11)的内腔中,其第三阶梯段(53)沿空心螺杆(1) 的大半径端(11)的开口向外伸出;挡圈⑷套接在内套(5)的第二阶梯段(52)的外壁上、 并与空心螺杆(1)的大半径端(11)固定连接;把手(7)套接在内套(¾的第三阶梯段(53) 的外壁上;螺母(6)安装在内轴(3)的外螺纹段的末端。 (5) an axial section of three stepped inner wall of the inner sleeve (5) is provided with an internal thread and external thread the inner shaft (3) cooperating; inner sleeve (¾ sleeved inner shaft C3) right, of the hollow screw (1) of the large radius end (11) of the inner sleeve (5) in a first step section (51) and a second end stage (52) a lumen in which the third step section (53) in the hollow screw an opening (1) of the large radius end (11) projecting outwardly; an outer wall of the inner sleeve sleeved ⑷ ring (5) a second step section (52), and a large radius of the hollow screw (1) end of the nut (6) mounted on the inner shaft (3) of the external thread segments; end (11) is fixedly connected; a handle (7) an outer wall of the socket sleeve (¾ third step section (53) of the inner.
3.根据权利要求2所述的一种股骨头支撑架,其特征是:所述空心螺杆(1)的小半径端(1¾的左端端面的内壁设有斜面(12-1),所述滑动块O)的左端端面设有斜面03)。 3. A supporting frame according to one of the femoral head as claimed in claim 2, characterized in that: an inner wall of the hollow screw (1) is the left end of the small radius (1¾ provided with a bevel end face (12-1), the slide block O) with the left end surface of the inclined surface 03).
4.根据权利要求2所述的一种股骨头支撑架,其特征是:所述滑动块O)的支撑平台(22)的右侧设有圆弧过渡段04)。 4. A member according to claim 2, wherein the femoral head support frame, characterized in that: the right side of the slider O) of the support platform (22) is provided with an arc transition section 04).
5.根据权利要求2所述的一种股骨头支撑架,其特征是:所述内套幻的第三阶梯段(53)的径向截面为方形,与之对应,所述把手(7)的套接口的形状为方形。 Requires a femoral head according to claim 2 of the support frame, wherein: a radially inner sleeve section of said third magic step section (53) is square, corresponding the handle (7) set of interface shape is square.
6.根据权利要求2所述的一种股骨头支撑架,其特征是:所述内轴(3)的内部设有空心通道,在空心通道中设置导管。 A femoral head according to claim 2, said support frame, characterized in that: the inside of the inner shaft (3) is provided with a hollow passage, the conduit disposed in the hollow passage.
7.根据权利要求1至6任一权利要求所述的一种股骨头支撑架,其特征是:空心螺杆状结构体由不锈钢记忆合金制成。 7. According to a femoral head according to any one of claims 1 to 6, bracket claims, characterized in the claims: a hollow screw-shaped structure of memory alloy of stainless steel.
CN 201120024883 2011-01-25 2011-01-25 Caput femoris support frame CN201920878U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104302235A (en) * 2012-03-19 2015-01-21 库克医药技术有限责任公司 Medical devices, methods and kits for delivering medication to a bodily passage
CN104352273A (en) * 2014-10-14 2015-02-18 刘振东 Device for preventing femoral head necrosis after femoral neck fracture and treating femoral head necrosis
CN105167887A (en) * 2015-10-14 2015-12-23 兰州西脉记忆合金股份有限公司 Memory alloy embracing type artificial hip joint prosthesis and implantation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104302235A (en) * 2012-03-19 2015-01-21 库克医药技术有限责任公司 Medical devices, methods and kits for delivering medication to a bodily passage
CN104352273A (en) * 2014-10-14 2015-02-18 刘振东 Device for preventing femoral head necrosis after femoral neck fracture and treating femoral head necrosis
CN105167887A (en) * 2015-10-14 2015-12-23 兰州西脉记忆合金股份有限公司 Memory alloy embracing type artificial hip joint prosthesis and implantation method thereof

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