CN105596056B - One kind being used for hip replacement surgery glenoid lip of articulation of hip processor - Google Patents
One kind being used for hip replacement surgery glenoid lip of articulation of hip processor Download PDFInfo
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- CN105596056B CN105596056B CN201610060535.7A CN201610060535A CN105596056B CN 105596056 B CN105596056 B CN 105596056B CN 201610060535 A CN201610060535 A CN 201610060535A CN 105596056 B CN105596056 B CN 105596056B
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- 238000001356 surgical procedure Methods 0.000 title claims abstract description 16
- 241001653121 Glenoides Species 0.000 title abstract 2
- 238000011540 hip replacement Methods 0.000 title description 8
- 210000004394 hip joint Anatomy 0.000 claims abstract description 14
- 230000001154 acute effect Effects 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 abstract description 2
- 210000000588 acetabulum Anatomy 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000004872 soft tissue Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002513 implantation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 206010005963 Bone formation increased Diseases 0.000 description 1
- 208000007353 Hip Osteoarthritis Diseases 0.000 description 1
- 206010023204 Joint dislocation Diseases 0.000 description 1
- 206010031264 Osteonecrosis Diseases 0.000 description 1
- 241000283984 Rodentia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001804 debridement Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000020089 femoral neck fracture Diseases 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 230000001969 hypertrophic effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
本发明提供了一种用于髋关节置换手术用髋臼盂唇处理器，包括把持手柄、控制手柄、第一连接杆、第二连接杆和刀头；所述把持手柄通过第一连接杆连接控制手柄，所述控制手柄通过第二连接杆连接刀头；所述刀头为框型结构，刀头的底边框与水平面之间的夹角为锐角，所述底边框上至少一条长边为锋利刀刃；所述第二连接杆可为直杆或者角度弯杆。利用本发明所述处理器在髋关节置换手术中，可实现快速、干净、整齐地清除髋臼盂唇，为后续手术步骤提供良好的前期准备。
The invention provides an acetabular labrum processor for hip joint replacement surgery, comprising a handle, a control handle, a first connecting rod, a second connecting rod and a knife head; the handle is connected through the first connecting rod Control handle, the control handle is connected to the cutter head through the second connecting rod; the cutter head is a frame structure, the angle between the bottom frame of the cutter head and the horizontal plane is an acute angle, and at least one long side on the bottom frame is A sharp blade; the second connecting rod can be a straight rod or an angled curved rod. The processor of the present invention can be used to remove the acetabular glenoid labrum quickly, cleanly and neatly in the hip joint replacement operation, and provide good preliminary preparation for subsequent operation steps.
Description
技术领域technical field
本发明属于医用手术器械领域，尤其是涉及一种用于髋关节置换手术用髋臼盂唇处理器。The invention belongs to the field of medical surgical instruments, in particular to an acetabular labrum processor used in hip joint replacement surgery.
背景技术Background technique
髋关节置换术是用人工髋关节假体置换所有或部分髋关节以重建关节运动功能的一种修复手术。例如髋关节骨关节炎、股骨头无菌性坏死、股骨颈骨折等，在一定条件下均需行髋关节置换术。髋关节置换术中需要根据髋臼形态把握并确定其外展角及前倾角，以获得术后稳定的关节。但很多情况下，由于髋臼盂唇软组织阻挡，或局部骨质增生使得暴露困难，影响术中对髋臼打磨过程中角度的判断。在不合适的位置和角度置入髋臼假体，容易并发术后关节脱位。另一方面，由于髋臼盂唇软组织清除不彻底，髋臼假体植入困难，无法获得良好的稳定性。目前，在髋关节置换术中，清除髋臼盂唇主要靠手术刀片或电刀切除，骨性组织需要以骨刀、摆锯、咬骨钳等手术器械去除，尚无专门用于髋臼盂唇处理的工具，因而存在处理速度慢、手术效率低，且往往清除不彻底、髋臼边缘不整齐等问题，对髋关节置换术效果造成影响。Hip replacement is a revision surgery in which all or part of the hip joint is replaced with an artificial hip prosthesis to restore joint movement. For example, hip osteoarthritis, aseptic necrosis of the femoral head, femoral neck fracture, etc., all require hip replacement under certain conditions. In hip replacement surgery, it is necessary to grasp and determine the abduction angle and anteversion angle according to the shape of the acetabulum in order to obtain a stable joint after surgery. However, in many cases, exposure is difficult due to the obstruction of the acetabular labrum soft tissue or local bone hyperplasia, which affects the judgment of the angle during the acetabular grinding process during the operation. Implantation of the acetabular prosthesis at an inappropriate position and angle may easily lead to postoperative joint dislocation. On the other hand, due to incomplete debridement of the soft tissue of the acetabular labrum, the implantation of the acetabular prosthesis is difficult, and good stability cannot be obtained. At present, in hip replacement surgery, the removal of the acetabular labrum is mainly performed by surgical blades or electrocautery. Bone tissues need to be removed with surgical instruments such as bone knives, pendulum saws, and rongeurs. It is a tool for lip treatment, so there are problems such as slow processing speed, low operation efficiency, incomplete removal, and irregular acetabular edge, which affect the effect of hip replacement.
发明内容Contents of the invention
针对现有技术中存在的处理速度慢、手术效率低、清除不彻底、髋臼边缘不整齐等不足，本发明提供了一种用于髋关节置换手术用髋臼盂唇处理器，通过该处理器可快速、干净、整齐地清除髋臼盂唇。Aiming at the deficiencies in the prior art such as slow processing speed, low operation efficiency, incomplete removal, and irregular acetabular edge, the present invention provides an acetabular labrum processor for hip joint replacement surgery. The device provides quick, clean and neat removal of the acetabular labrum.
本发明是通过以下技术手段实现上述技术目的的。The present invention achieves the above-mentioned technical purpose through the following technical means.
一种用于髋关节置换手术用髋臼盂唇处理器，包括把持手柄、控制手柄、第一连接杆、第二连接杆和刀头；所述把持手柄通过第一连接杆连接控制手柄，所述控制手柄通过第二连接杆连接刀头；所述刀头为框型结构，所述刀头的底边框与水平面之间的夹角为锐角，所述底边框的至少一个长边为锋利刀刃。An acetabular labrum processor for hip joint replacement surgery, comprising a handle, a control handle, a first connecting rod, a second connecting rod and a knife head; the handle is connected to the control handle through the first connecting rod, so The control handle is connected to the cutter head through the second connecting rod; the cutter head is a frame structure, the angle between the bottom frame of the cutter head and the horizontal plane is an acute angle, and at least one long side of the bottom frame is a sharp blade .
进一步的，所述第二连接杆为直杆或角度弯杆。Further, the second connecting rod is a straight rod or an angled bent rod.
进一步的，所述刀头为长方体框型结构，所述底边框与水平面之间夹角为15°。Further, the cutter head is a rectangular parallelepiped frame structure, and the angle between the bottom frame and the horizontal plane is 15°.
进一步的，所述第二连接杆为直杆，所述底边框为等腰三棱柱结构，所述底边框的两长边均为锋利刀刃。Further, the second connecting rod is a straight rod, the bottom frame is an isosceles triangular prism structure, and both long sides of the bottom frame are sharp blades.
进一步的，所述第二连接杆为角度弯杆，所述底边框为直角三棱柱结构，底边框与第二连接杆的弯曲指向方向相同的长边为锋利刀刃。Further, the second connecting rod is an angled bent rod, the bottom frame is a right-angled triangular prism structure, and the long side of the bottom frame and the second connecting rod in the same bending direction is a sharp blade.
进一步的，所述角度弯杆为一体化弯曲、中间无间断，弯曲后所成锐角角度α为10-30°。Further, the angle bending rod is integrally bent without interruption in the middle, and the acute angle α formed after bending is 10-30°.
进一步的，所述把持手柄为球形，所述控制手柄为扁六棱形；所述把持手柄和控制手柄表面作防滑处理。Further, the handle is spherical, and the control handle is flat hexagonal; the surfaces of the handle and control handle are anti-slip.
进一步的，所述把持手柄、控制手柄、第一连接杆和第二连接杆均为不锈钢材质；刀头除锋利刀刃外其他部分为不锈钢材质，刀头的锋利刀刃为硬质合金材料；把持手柄、控制手柄、第一连接杆、第二连接杆和刀头为整体一体化制作成型。Further, the handle, the control handle, the first connecting rod and the second connecting rod are all made of stainless steel; the cutter head is made of stainless steel except for the sharp blade, and the sharp blade of the cutter head is made of hard alloy material; the handle , the control handle, the first connecting rod, the second connecting rod and the cutter head are integrally manufactured and formed.
进一步的，所述把持手柄和控制手柄为木质材料；所述第一连接杆和第二连接杆为不锈钢材料且为整体杆状结构；刀头除锋利刀刃外其他部分为不锈钢材料，刀头的锋利刀刃为硬质合金材料；所述把持手柄和第一连接杆、控制手柄和第二连接杆之间采用榫接或铆接。Further, the handle and the control handle are made of wood; the first connecting rod and the second connecting rod are made of stainless steel and have an integral rod-like structure; except for the sharp blade, the other parts of the cutter head are made of stainless steel. The sharp blade is made of hard alloy material; the grip handle and the first connecting rod, the control handle and the second connecting rod are mortised or riveted.
进一步的，所述硬质合金材料为钨钢。Further, the cemented carbide material is tungsten steel.
本发明的有益效果：Beneficial effects of the present invention:
(1)本发明所述的一种用于髋关节置换手术用髋臼盂唇处理器，通过把持手柄、第一连接杆、控制手柄、第二连接杆和刀头的序贯连接的整体构造，利用刀头底边框所设锋利刀刃可将髋臼盂唇一次处理到位，快速、干净、整齐，且为后续手术步骤提供了良好的前期准备。(1) An acetabular labrum processor for hip joint replacement surgery according to the present invention, an overall structure through the sequential connection of the handle, the first connecting rod, the control handle, the second connecting rod and the cutter head , the acetabular labrum can be processed in place at one time by using the sharp blade set on the bottom frame of the cutter head, which is fast, clean and tidy, and provides a good preliminary preparation for the subsequent surgical steps.
(2)本发明所述第二连接杆为直杆时，用于髋臼直接暴露的开放区域操作；当第二连接杆为角度弯杆时，用于髋臼隐蔽部位的操作。(2) When the second connecting rod of the present invention is a straight rod, it is used for the operation of the open area directly exposed to the acetabulum; when the second connecting rod is an angled rod, it is used for the operation of the hidden part of the acetabulum.
(3)本发明所述把持手柄、第一连接杆、控制手柄、第二连接杆、刀头之间序贯连接，为整体设计，结构坚强。(3) The handle, the first connecting rod, the control handle, the second connecting rod and the cutter head are sequentially connected in the present invention, which is integrally designed and has a strong structure.
(4)本发明将把持手柄设计为球形，控制手柄设计为扁六棱形，且把持手柄和控制手柄表面均进行防滑处理，以便于手术过程中精准操作和把控。(4) In the present invention, the handle is designed as a spherical shape, and the control handle is designed as a flat hexagonal shape, and the surface of the handle and the control handle are all treated with anti-skid, so as to facilitate precise operation and control during the operation.
附图说明Description of drawings
图1为实施例1所述髋臼盂唇处理器结构的正面视图。FIG. 1 is a front view of the structure of the acetabular labrum processor described in Embodiment 1. FIG.
图2为图1中A-A'为轴作剖面的侧面结构示意图。FIG. 2 is a schematic diagram of the side structure of a cross-section taken along the axis AA' in FIG. 1 .
图3为实施例1中刀具的结构示意图。FIG. 3 is a schematic structural view of the cutter in Embodiment 1. FIG.
图4为实施例2中一个弯曲方向的髋臼盂唇处理器结构的正面视图。Fig. 4 is a front view of the acetabular labrum processor structure in a bending direction in embodiment 2.
图5为图4中A-A'为轴作剖面的侧面结构示意图。FIG. 5 is a schematic diagram of the side structure of a cross-section taken along the axis AA' in FIG. 4 .
图6为实施例2中另一个弯曲方向的髋臼盂唇处理器结构的正面视图。Fig. 6 is a front view of the acetabular labrum processor structure in another bending direction in Embodiment 2.
图7为图6中A-A'为轴作剖面的侧面结构示意图。FIG. 7 is a schematic diagram of the side structure of a cross-section taken along the axis AA' in FIG. 6 .
图8为本发明实施例2中刀具的结构示意图。Fig. 8 is a schematic structural view of the cutter in Embodiment 2 of the present invention.
图9为本发明控制手柄的横截面示意图。Fig. 9 is a schematic cross-sectional view of the control handle of the present invention.
附图标记说明如下：The reference signs are explained as follows:
1-把持手柄，2-控制手柄，3-第一连接杆，4-第一连接杆，5-刀头，501-底边框，502-锋利刀刃。1-grip handle, 2-control handle, 3-first connecting rod, 4-first connecting rod, 5-cutter head, 501-bottom frame, 502-sharp blade.
具体实施方式Detailed ways
下面结合附图以及具体实施例对本发明作进一步的说明，但本发明的保护范围并不限于此。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
实施例1Example 1
如图1和图9所示，一种用于髋关节置换手术用髋臼盂唇处理器，包括把持手柄1、控制手柄2、第一连接杆3、第二连接杆4和刀头5；所述把持手柄1通过第一连接杆3连接控制手柄2，所述控制手柄2通过第二连接杆4连接刀头5；所述把持手柄1为球形，所述控制手柄2为扁六棱形，所述第一连接杆3为短直杆，所述第二连接杆4为直杆。As shown in Figures 1 and 9, an acetabular labrum processor for hip joint replacement surgery includes a handle 1, a control handle 2, a first connecting rod 3, a second connecting rod 4 and a cutter head 5; The handle 1 is connected to the control handle 2 through the first connecting rod 3, and the control handle 2 is connected to the cutter head 5 through the second connecting rod 4; the handle 1 is spherical, and the control handle 2 is flat hexagonal , the first connecting rod 3 is a short straight rod, and the second connecting rod 4 is a straight rod.
如图2和图3所示，所述刀头5为长方体框型结构，所述底边框501与水平面之间夹角为15°；所述刀头5的宽为5-8mm，长为8-10mm，右边框高度为10mm，各边框厚度为3-5mm；所述底边框501为等腰三棱柱结构，其横截面为等腰三角形，该等腰三角形的高为3mm；所述底边框501的两长边均为锋利刀刃502。所述把持手柄1、控制手柄2、第一连接杆3和第二连接杆4均为不锈钢材质；刀头5除锋利刀刃502外其他部分为不锈钢材质，刀头5的锋利刀刃502为硬质合金材料，如钨钢；把持手柄1、控制手柄2、第一连接杆3、第二连接杆4和刀头5为整体一体化制作成型；所述把持手柄1和控制手柄2表面经过防滑处理，以便于手术过程中精准操作和把控。也可以采用另一种方式，即将所述把持手柄1和控制手柄2为木质材料；所述第一连接杆3和第二连接杆4为不锈钢材料且为整体杆状结构；所述把持手柄1和第一连接杆3、控制手柄2和第二连接杆4之间采用榫接或铆接；所述第二连接杆4为直杆时主要在髋臼直接暴露的开放区域操作。As shown in Figures 2 and 3, the cutter head 5 is a cuboid frame structure, and the included angle between the bottom frame 501 and the horizontal plane is 15°; the width of the cutter head 5 is 5-8mm, and the length is 8 mm. -10mm, the height of the right frame is 10mm, and the thickness of each frame is 3-5mm; the bottom frame 501 is an isosceles triangular prism structure, and its cross section is an isosceles triangle, and the height of the isosceles triangle is 3mm; the bottom frame 501 Both long sides of 501 are sharp blades 502 . The handle 1, the control handle 2, the first connecting rod 3 and the second connecting rod 4 are made of stainless steel; the cutter head 5 is made of stainless steel except the sharp blade 502, and the sharp blade 502 of the cutter head 5 is hard Alloy materials, such as tungsten steel; handle 1, control handle 2, first connecting rod 3, second connecting rod 4 and cutter head 5 are integrated as a whole; the surface of the handle 1 and control handle 2 has been treated with anti-skid , so as to facilitate precise operation and control during the operation. Another way can also be used, that is, the handle 1 and the control handle 2 are made of wooden materials; the first connecting rod 3 and the second connecting rod 4 are made of stainless steel and are an integral rod-shaped structure; the handle 1 Mortise or riveting is adopted between the first connecting rod 3, the control handle 2 and the second connecting rod 4; when the second connecting rod 4 is a straight rod, it mainly operates in the open area where the acetabulum is directly exposed.
工作过程：work process:
经过专业培训的骨科医师在行髋关节置换术时，双手分别握持把持手柄1和控制手柄2，将刀头5的底边框501与髋臼盂唇紧贴，沿髋臼边缘旋转控制手柄2拉动刀头5，通过底边框501的两长边所设锋利刀刃502切除髋臼盂唇软组织和增生骨赘，并获得干净光滑完整的骨性髋臼边缘。When a professionally trained orthopedic surgeon performs hip replacement, hold the handle 1 and the control handle 2 with both hands, put the bottom frame 501 of the cutter head 5 in close contact with the acetabular labrum, and rotate the control handle 2 along the edge of the acetabulum The cutter head 5 is pulled, and the sharp blades 502 provided on the two long sides of the bottom frame 501 are used to cut off the soft tissue of the acetabular labrum and hyperosteogeny, and obtain a clean, smooth and complete bony acetabular edge.
实施例2Example 2
如图4、图6和图9所示，一种用于髋关节置换手术用髋臼盂唇处理器，包括把持手柄1、控制手柄2、第一连接杆3、第二连接杆4和刀头5；所述把持手柄1通过第一连接杆3连接控制手柄2，所述控制手柄2通过第二连接杆4连接刀头5。所述把持手柄1为球形，所述控制手柄2为扁六棱形，所述第一连接杆3为短直杆。如图5和图7所示，所述第二连接杆4为角度弯杆，该角度弯杆为一体化自然弯曲、中间无间断，其上半段竖直、下半段与上半段所成锐角角度为10-30°，以达到切割过程中所需的力学强度要求。所述把持手柄1、控制手柄2、第一连接杆3和第二连接杆4均为不锈钢材质；刀头5除锋利刀刃502外其他部分为不锈钢材质，刀头5的锋利刀刃502为硬质合金材料，如钨钢；把持手柄1、控制手柄2、第一连接杆3、第二连接杆4和刀头5为整体一体化制作成型，所述把持手柄1和控制手柄2表面经过防滑处理。或同实施例1中，把持手柄1和控制手柄2为木质材料，采用榫接或铆接与第一连接杆3和第二连接杆4组装。所述刀头5为长方体框型结构，其底边框501与水平面之间夹角为15°，所述刀头5的宽为5-8mm，长为8-10mm，右边框高度为10mm，各边框厚度为3-5mm；所述底边框501为直角三棱柱结构，底边框501与第二连接杆4的弯曲指向方向相同的长边为锋利刀刃502，以适用于髋臼隐蔽部位盂唇的处理。As shown in Figure 4, Figure 6 and Figure 9, an acetabular labrum processor for hip joint replacement surgery includes a handle 1, a control handle 2, a first connecting rod 3, a second connecting rod 4 and a knife Head 5 ; the handle 1 is connected to the control handle 2 through the first connecting rod 3 , and the control handle 2 is connected to the cutter head 5 through the second connecting rod 4 . The handle 1 is spherical, the control handle 2 is flat hexagonal, and the first connecting rod 3 is a short straight rod. As shown in Figures 5 and 7, the second connecting rod 4 is an angled bending rod, which is integrated and naturally curved without interruption in the middle, the upper half of which is vertical, and the lower half and the upper half are connected to each other. The acute angle is 10-30°, in order to achieve the required mechanical strength requirements in the cutting process. The handle 1, the control handle 2, the first connecting rod 3 and the second connecting rod 4 are made of stainless steel; the cutter head 5 is made of stainless steel except the sharp blade 502, and the sharp blade 502 of the cutter head 5 is hard Alloy material, such as tungsten steel; the handle 1, the control handle 2, the first connecting rod 3, the second connecting rod 4 and the cutter head 5 are integrated as a whole, and the surfaces of the handle 1 and the control handle 2 are treated with anti-skid . Or as in Embodiment 1, the handle 1 and the control handle 2 are made of wood materials, and are assembled with the first connecting rod 3 and the second connecting rod 4 by mortise or riveting. The cutter head 5 is a cuboid frame structure, the angle between its bottom frame 501 and the horizontal plane is 15°, the width of the cutter head 5 is 5-8mm, the length is 8-10mm, and the height of the right frame is 10mm. The thickness of the frame is 3-5mm; the bottom frame 501 is a right-angled triangular prism structure, and the long side of the bottom frame 501 and the second connecting rod 4 pointing in the same direction is a sharp blade 502, which is suitable for the labrum of the hidden part of the acetabulum. deal with.
工作过程：work process:
经过专业培训的骨科医师在行髋关节置换术时，双手分别握持把持手柄1和控制手柄2，将第二连接杆4的弯曲指向方向正对髋臼盂唇，将刀头5的底边框501与髋臼盂唇紧贴，沿髋臼边缘控制手柄2拉动刀头5，通过与第二连接杆4的弯曲指向方向相同的长边所设锋利刀刃502切除髋臼盂唇软组织和增生骨赘，并获得干净光滑完整的骨性髋臼边缘。When a professionally trained orthopedic surgeon performs hip replacement, hold the handle 1 and the control handle 2 with both hands, direct the curved direction of the second connecting rod 4 to the acetabular labrum, and place the bottom border of the cutter head 5 501 is in close contact with the acetabular labrum, and the cutter head 5 is pulled along the control handle 2 along the edge of the acetabulum, and the sharp blade 502 set on the long side with the same bending direction as the second connecting rod 4 is used to cut off the acetabular labrum soft tissue and hypertrophic bone superfluous, and to obtain a clean, smooth and complete bony acetabular rim.
所述实施例为本发明的优选的实施方式，但本发明并不限于上述实施方式，在不背离本发明的实质内容的情况下，本领域技术人员能够做出的任何显而易见的改进、替换或变型均属于本发明的保护范围。The described embodiment is a preferred implementation of the present invention, but the present invention is not limited to the above-mentioned implementation, without departing from the essence of the present invention, any obvious improvement, replacement or modification that those skilled in the art can make Modifications all belong to the protection scope of the present invention.
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| CN202821509U (en) * | 2012-10-19 | 2013-03-27 | 常州市康辉医疗器械有限公司 | Square osteotome |
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