WO2021238226A1 - 多功能牵引接骨固定装置 - Google Patents

多功能牵引接骨固定装置 Download PDF

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Publication number
WO2021238226A1
WO2021238226A1 PCT/CN2021/000106 CN2021000106W WO2021238226A1 WO 2021238226 A1 WO2021238226 A1 WO 2021238226A1 CN 2021000106 W CN2021000106 W CN 2021000106W WO 2021238226 A1 WO2021238226 A1 WO 2021238226A1
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WIPO (PCT)
Prior art keywords
traction
needle
screw
auxiliary
hole
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PCT/CN2021/000106
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English (en)
French (fr)
Inventor
胡成吉
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胡成吉
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Application filed by 胡成吉 filed Critical 胡成吉
Publication of WO2021238226A1 publication Critical patent/WO2021238226A1/zh
Priority to US17/993,971 priority Critical patent/US20230087591A1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
    • A61B17/66—Alignment, compression or distraction mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
    • A61B17/64—Devices extending alongside the bones to be positioned
    • A61B17/6441—Bilateral fixators, i.e. with both ends of pins or wires clamped
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
    • A61B17/64—Devices extending alongside the bones to be positioned
    • A61B17/6458—Devices extending alongside the bones to be positioned with pin-clamps fixed at ends of connecting element
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
    • A61F5/048—Traction splints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
    • A61B17/64—Devices extending alongside the bones to be positioned
    • A61B17/645—Devices extending alongside the bones to be positioned comprising a framework
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
    • A61B2017/606—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors with resilient spring element

Definitions

  • the patent of the present invention relates to a multifunctional traction bone fixation device for medical operations, which is mainly used for a new technology of minimally invasive treatment of traction and fixation of human limb fractures or comminuted fractures.
  • the traditional traction nail can only penetrate a single bone when penetrating the human body, but the lower limbs of the human body are not suitable for double bones, so the doctor chooses to insert the traction nail
  • the calcaneus because the calcaneus and the calf bones are not in the same vertical line, the traction effect cannot be guaranteed. Therefore, the western doctors in the hospital now choose to use steel plate internal fixation for surgery; the steel plate internal fixation looks OK on the surface, and it is not scientific to analyze it. The damage was great. 1. Mentioned the operation of surgery, people talked about the discoloration of tigers causing psychological fear, 2.
  • Lumbar anesthesia is also very uncomfortable, and some people have congestion in the waist joints due to improper anesthesia, and long-term waist pain due to poor blood flow.
  • the surgery is fixed with a steel plate.
  • the shape angle of the steel plate does not completely match the natural curve of the human bone.
  • the doctor can not see the difference in vision when operating the bone in a small mouth after the operation.
  • Abnormal alignments failed to meet the requirements of anatomical alignment, slow bone growth, resulting in secondary operations, and some bone grafting (removing the upper part to supplement the lower part), and even life-long disability due to serious misalignment errors.
  • the internal fixation is often due to the blur of the knife edge, and it is not easy to find the position of the fixation to increase the damage to the human body due to the scalpel injury.
  • the technical problem to be solved by the patent of the present invention is to provide a multifunctional traction bone fixation device.
  • the doctor can select appropriate parts in advance to install the traction fixation device according to the displacement of the patient’s fracture.
  • the comminuted fracture does not require surgical operation.
  • the auxiliary fixation kit is fixed.
  • the multifunctional traction bone fixation device is easy to install, and the positioning is adjustable and stable, so that the patient does not suffer from multiple operations. It is a new technology of orthopedic minimally invasive medical traction and fixation treatment.
  • the multi-functional traction and fixation device mainly includes two traction splints.
  • the front ends of the two splints are respectively equipped with traction nails, and the middle section of the splint is equipped with positioning plus
  • the back end of the splint is provided with a traction handle screw.
  • the frame of the traction device is formed by the middle section of the positioning pressure screw and the rear end of the traction handle screw; the middle section of the traction splint and the positioning pressure screw are provided with multiple auxiliary fixing needle seats, among which are Conjoined auxiliary fixing needle seat and split auxiliary fixing needle seat, each auxiliary fixing needle seat is equipped with auxiliary fixing needles, and the top of the traction splint is provided with nail guard screws.
  • the main design has two traction splints as the base, and the front ends of the two splints are respectively provided with multiple traction nail mounting holes for installation selection design, and there is a reinforcement nut behind the traction nail mounting hole Adjusting and fixing, including the structure of the nail guard set, welding, or connecting into a two-phase "clamp-type hook and claw", the middle section of the splint is provided with multiple installation holes for installation options, and there is a reinforcement nut behind the positioning pressure screw installation hole Adjusting and fixing, the rear end of the splint is provided with a mounting hole, and the traction handle screw mounting hole is equipped with a reinforced nut for adjustment and fixing.
  • the middle section of the traction splint is also provided with multiple screw holes for the installation of the auxiliary fixed needle seat.
  • the auxiliary fixed needle seat is divided into two Species: The conjoined auxiliary fixed needle holder and the split auxiliary fixed needle holder are designed.
  • the conjoined fixed needle holder is set on the body of the traction splint.
  • the split fixed needle holder is installed and fixed by screws, and each auxiliary needle holder is equipped with auxiliary fixing Needle, with a reinforced nut for adjustment and fixation;
  • the middle section of the positioning compression screw can be square or round, and the square is set to provide a base for auxiliary fixation to facilitate installation, and is mainly designed to increase fixation for fractures of the sole of the calcaneus and the middle joint.
  • the screw hole on the top of the traction splint is for screw guard installation to protect the angle of the traction nail to prevent the nail head from sliding out, and the advance and retreat can be adjusted;
  • the design of the spring and the flat pad is a new innovation in external fixation medicine, through the spring function It is like a robot hand that pushes the fixed needle to have a natural pressure and fixation effect.
  • Figure 1 A side view of the internal fixation of the bone with a steel plate in the traditional surgical operation of the human cuboid bone fracture.
  • Figure 2 is a schematic diagram of the internal fixation of the bone in the traditional surgical operation for the lower leg fracture of the human body.
  • Figure 3 is a schematic diagram of the traditional traction treatment of lower leg fractures from the position of the traction nail to the alignment of the fracture.
  • Figure 4 is a schematic side view of the patented multifunctional traction bone fixation device in the traction treatment of human cuboid fractures.
  • Figure 5 is a schematic plan view of the patented multifunctional traction bone fixation device of the present invention in the treatment of multiple fractures of the lower leg of the human body with traction and auxiliary fixation technology.
  • Figure 6 is a schematic side view of the patented multifunctional traction bone fixation device of the present invention in the treatment of multiple fractures of the lower leg of the human body with traction and auxiliary fixation technology.
  • Figure 7 is a schematic diagram of the traction and fixation treatment of calcaneal fractures in the human body with the patented multifunctional traction bone fixation device of the present invention.
  • Figure 8 is a schematic diagram of the patented multifunctional traction bone fixation device of the present invention for the treatment of upper limb fractures of the human body.
  • Figure 9 shows the basic components of the patented multifunctional traction bone fixation device of the present invention.
  • Figure 10 is the "claw-type hook and claw" described in the document of the multifunctional traction bone fixation device of the patent of the present invention.
  • Two-way auxiliary Fixed needle holder, 9LT conjoined two-way auxiliary fixed needle holder, (9-1) third needle hole, (9-2) sixth mounting hole, 10.
  • the traditional surgical internal fixation method for bone fractures in the human body has its drawbacks. 1.
  • the muscle must be incised and a large mouth will be leaked. The operation will destroy the tissue around the fracture.
  • the human bones and surrounding tissues are the same.
  • traditional surgery is to connect fractures inside and destroy surrounding tissues. It is comparable to natural disasters and man-made disasters. If the operation is successful, you will suffer from the second internal fixation operation. 2.
  • Figure 3 is a schematic diagram of the position between the traction nail and the fracture in the traditional traction treatment method.
  • the disadvantages of traditional traction 1. Because the traditional traction nail is a single design, the traction has to penetrate the bone, but the human calf is not suitable for double bone structure. Therefore, the doctor can only choose to drive the traction nail into the calcaneus, because the calcaneus and the calf bones are not on the same vertical line, the traction effect cannot be guaranteed; 2. In addition, the traditional traction nail penetrates the human bones and vibrates greatly, which affects the complete cracking of the bones. Displacement; cause secondary injury; therefore, most western medicine practitioners now choose to use steel plate internal fixation for open surgery.
  • a multifunctional traction bone fixation device includes a traction splint 1, a traction nail 2, a traction handle screw 3, a positioning compression screw 3F, a guard screw 4B, a reinforcement nut 5, and a guard Nail kit 13, non-slip nut 14;
  • the traction splint 1 is a total of two long strips, the front ends of the two traction splints 1 are respectively provided with traction nail mounting holes 1-1, and the middle section is provided with a second mounting hole 1-2
  • the rear end of the traction splint 1 is provided with a third mounting hole 1-3, the top of the traction splint 1 is bent at 90 degrees, and the screw holes 1-4 are provided on the top; or the traction splint 1 is Straight bar, the front end traction nail mounting hole 1-1 is provided with a nail guard set 13, and a non-slip nut 14 or other nuts are installed on the screw pattern of the nail guard set 13-1, and they are installed and fixed
  • the two second mounting holes 1-2 in the middle section of the traction splint 1 are connected by positioning compression screws 3F, and the third mounting holes 1-3 at the rear end of the two traction splints 1 are connected by the traction handle screw 3.
  • the two-end screw pattern 3-1 of the compression positioning screw 3F and the traction handle screw 3 are each provided with a reinforcing nut 5, and they are installed and adjusted on the inner and outer sides of the two traction splints 1;
  • the traction nail 2 is a straight cross-section circle
  • the traction nail 2 is connected to the traction splint 1 through the traction nail mounting hole 1-1, and the reinforcement nut 5 is set on the traction splint 1
  • the nail 2 screw pattern 2-1 is respectively installed on the inner and outer sides of the two traction splints 1 for installation and adjustment;
  • the top screw holes 1-4 of the two traction splints 1 are provided with guard nail screws 4B, or traction nail 2 Installed in the nail
  • the fixation device includes a traction splint 1, a traction nail 2, a positioning compression screw 3F, a traction handle screw 3, and a guard screw screw 4B, reinforced nut 5, auxiliary fixed needle hole 1-0, and one-way auxiliary fixed needle holder 7, side auxiliary fixed needle holder 8, two-way auxiliary fixed needle holder 9, sole fixed needle holder 10, auxiliary fixed needle 6;
  • the traction splint 1 has a total of two long strips.
  • the front ends of the two traction splints 1 are respectively provided with a plurality of traction nail mounting holes 1-1, and the middle section is provided with a plurality of second mounting holes 1-2 and a plurality of screw holes 1-4, the rear end is provided with a third mounting hole 1-3, the top of the traction splint 1 is bent at 90 degrees with screw holes 1-4, and the two traction splint 1 middle section second mounting holes 1-2 They are connected by the positioning pressure screw 3F, and the two rear end third mounting holes 1-3 of the traction splint 1 are connected by the handle screw 3.
  • the fixed pressure screw 3F and the two-end screw pattern of the traction handle screw 3 are connected 3-1
  • Each of the two traction splints 1 is equipped with a reinforced nut 5 and installed on the inner and outer sides of the two traction splints 1 to adjust and fix;
  • the traction nail 2 is a round cross-section with a sharp front end and a smooth straight bar at the rear end, or a screw pattern 2- 1.
  • the traction nail 2 is connected to the traction splint 1 through the traction nail installation hole 1-1, and the reinforcement nut 5 is set on the screw pattern 2-1 of the traction nail 2 and is installed and adjusted on the inner and outer sides of the two traction splints 1 respectively.
  • two traction splints 1 are provided with nail screws 4B in the top screw holes 1-4, located at the front end of the two traction splints 1, the traction nail 2 is driven into the lower end of the fracture to confirm the fixed position, the two-phase traction splint 1
  • the rear end is pulled along the thigh direction through the traction handle screw 3
  • the auxiliary fixing needle hole 1-0 is a bin mouth shape, the front end is close to the traction nail 2, and the rear end is close to the unidirectional auxiliary fixing needle seat 7
  • the auxiliary fixed needle seat 7 is bent in an I shape, with a needle hole 7-1 at the front end, and two fourth mounting holes 7-2 at the rear end, which are connected to the traction splint 1 through the fourth mounting holes 7-2
  • the screw holes 1-4 are provided with a tightening screw 4;
  • the fixing pin 6 is set in the first needle hole 7-1, and the reinforcing nut 5 is set on the fixing pin 6 screw pattern 6-1, and is placed on
  • the fifth mounting hole 8-2 is connected with the traction splint 1, the screw holes 1-4 are provided with a tightening screw 4; the fixing pin 6 is set in the second pin hole 8-1, and the reinforcing nut 5 is set on the fixing pin 6 Screw pattern 6-1, and adjust and fix on both sides of the auxiliary fixing needle seat 8-1; the two-way auxiliary fixing needle seat 9 is U-shaped with two sides bent, and the front ends of both sides are provided with third needle holes 9-1 , The rear end is provided with two sixth mounting holes 9-2; connected with the traction splint 1 through the sixth mounting hole 9-2, the screw holes 1-4 are provided with a set screw 4; the fixing pins 6 are set on both sides In the third needle hole, the reinforcement nut 5 is set on the screw pattern 6-1 of the fixed needle 6 on both sides, and the two sides of the needle seat 9-1 are auxiliary fixed on both sides Adjusting and fixing; the one-piece one-way auxiliary fixing needle seat 7LT is located in the front part of the traction splint
  • the fixed pin 6 is set in the third pin hole 9-1 on both sides, the reinforcement nut 5 is set on the fixed pin 6 screw pattern 6-1, and the pin seat 9-1 is assisted on both sides. Adjusting and fixing on both sides; the foot auxiliary fixing needle seat 10 is located in the rear part of the traction splint 1, and is set with the positioning and pressing screw 3F as the base.
  • the screw hole 10-4 is connected with the positioning pressure screw 3F through the slot structure, and moves to the confirmed fixed position on the positioning pressure screw 3F, and the second screw hole 10-4 is provided with a set screw 4;
  • the needle 6 is arranged in the fourth needle hole 10-1, the reinforcement nut 5 is arranged on the screw pattern 6-1 of the fixing needle 6, and the fourth needle hole 10-1 is adjusted and fixed on both sides of the foot auxiliary fixing needle seat; or
  • the spring 11 and the flat washer 12 are arranged between the fourth piercing hole 10-1 and the reinforcing nut 5.
  • the first embodiment of the multifunctional traction bone fixation device is used for traction bone fixation: 1) laying the patient on the bed, 2) no surgery, (reducing swelling) After) Firstly, the multifunctional traction and fixation device should be grasped according to the displacement of the X-ray fracture and the width and length of the leg, and determine the position of the traction nail 2 and the second installation hole 1-2 of the middle section of the traction splint 1 and install it.
  • Fixation device except for traction nail 2), 2) disinfection first, 3) injection of local anesthetic, 4) afterwards, the doctor can penetrate the two traction nails 2 in opposite directions into the bone about 10 mm into the bone, if any It is better to press special tools into the bone at the same time. 5) Then install a reinforced nut 5 on the traction nail 2 screw pattern 2-1 and determine the position.
  • the second embodiment of the multifunctional traction bone fixation device used for traction bone fixation and auxiliary fixation method 1 ) Lay the patient on the bed and protect the thigh on the traction frame. According to the displacement of the patient's X-ray fracture, the doctor pre-installs the traction bone fixation device and the auxiliary fixation needle holder, adjusts the angle, and installs the traction nail 2; 2) During fixation, loosen the traction splint 1 and place the traction device in the traction position of the leg.
  • the traction nails 2 at the front ends of the two sides are driven into the bone one after the other (if special tools are used to press into the bone at the same time), check the traction nail 2 After the bone is properly inserted, tighten all the reinforcement nuts at the same time 5; 3) Install the guard screw 4B in the screw holes 1-4 on the top of the traction splint 1 and tighten it to withstand the traction nail 2 can protect the angle of the traction nail. Finally, hang the traction mound on the traction handle screw 3 and pull it for traction; 4) After completing the above traction process, install the auxiliary fixing.
  • auxiliary fixing installation procedures include 7, 8, 9, 10... etc. auxiliary fixing, the same installation procedure will not be described, if possible, it is better to operate under X-ray; 3. If the leg swelling auxiliary fixing target is blurred, first Traction for a few days, auxiliary fixation can be fixed every other day after the swelling subsides.

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Abstract

一种多功能牵引接骨固定装置，涉及医疗器械技术领域，以两片牵引夹板（1）为基座，牵引夹板（1）前端设有牵引钉（2），中端设有定位加压螺丝（3F），后端设有牵引把手螺丝（3），牵引夹板（1）上面设有多个辅助固定针座及辅助固定针（6）；两个牵引钉（2）钉头相向顶住骨折下端以确认固定位置，两片牵引夹板（1）后端顺着大腿方向硾拉牵引；如有多处骨折需要辅助固定，根据不同骨折移位选择匹配的辅助固定针座，装上辅助固定针（6）顶住开裂的骨头并将其固定。实现牵引加固定微创治疗，大部分骨折不需要开刀内固定手术；安装方便稳固，效果明显可见，患者无需多次手术。

Description

多功能牵引接骨固定装置 技术领域
本发明专利涉及一种医疗手术用的多功能牵引接骨固定装置，该牵引接骨固定装置主要用于人体四肢骨折或粉碎性骨折的牵引固定微创治疗新技术。
背景技术
目前在医疗领域中人体四肢骨折治疗方法有多种，中医保守治疗：1、用石膏外固定治疗法；2、用夹板外固定治疗法；这些治疗方法只能对骨头开裂的轻伤使用，不能对完全移位的骨折准确定位；西医：有传统牵引治疗法，将牵引钉打入人体穿透骨头，优点：伤疤小；缺点：1、传统牵引钉为一枚设计，打入人体必须穿透骨头震动大，影响开裂的骨头彻底移位所造成二次损伤；2、传统牵引钉穿透人体只能打入单骨，可是人体下肢是双骨不合适，由此医生将牵引钉选择打入跟骨，由于跟骨与小腿双骨不在一条垂线上，牵引效果不能保证，故此现在医院的西医都选择开刀手术用钢板内固定；用钢板内固定表面上看还行，分析一下也不科学伤害却很大，1、提到开刀人们谈虎色变造成心理上的恐惧，2、腰部麻醉也很不好受，还有部分人因麻醉不当腰部关节损伤留下淤血，由于血液不畅使腰部长期胀痛所留下后遗症；3、开刀用钢板固定，钢板的造型角度不完全匹配人体骨头的自然曲线，另外医生在血液模糊的情况下，三方看不到在一方小口里操作接骨视线差，手术后常出现对位异常没能达到解剖对位要求，影响骨质生长缓慢致使二次手术，有的还植骨(取上补下)等现象，甚至因对位不准误差严重造成患者终身残疾等事件；4、就算手术顺利一年后还要取内固定手术带来的二次损伤，取内固定常因刀口模糊，不很容易找到固定物位置增加手术刀伤对人体损害。
发明内容
本发明专利所要解决的技术问题是提供一种多功能牵引接骨固定装置，使用这种固定装置医生可根据患者骨折的移位情况，事先选择合适的零部件安装好牵引固定装置，一般不是特别严重的粉碎性骨折不需要开刀手术，可直接将牵引钉打入骨折下端两侧确认固定位置牵引治疗；如遇脚底跟骨及近关节部位骨折或多处骨折需要辅助固定，牵引后再安装相应的辅助固定套件固定，该多功能牵引接骨固定装置安装简便，定位可调稳固，为患者不要受多次手术之苦，是骨科微创医学牵引加固定治疗新技术。
为此，本发明专利所提供的多功能牵引接骨固定装置，为了患者不同的骨折确保合理治疗，发明人历经艰难，通过多年努力成功研制一套零部件可供多种组合，随其骨折移位匹配达到更广更好的牵引加固定要求，及方便使用设计呈现如下：该多功能牵引接骨加固定装置 主要包括两条牵引夹板，两条夹板前端分别设有牵引钉，夹板中段设有定位加压螺丝，夹板后端设有牵引把手螺丝，通过中段定位加压螺丝与后端牵引把手螺丝安装形成牵引装置框架；牵引夹板中段及定位加压螺丝上面设有多个辅助固定针座，其中有连体辅助固定针座与分体辅助固定针座，各辅助固定针座上配有辅助固定针，所述牵引夹板顶部设有护钉螺丝。
由于本发明专利多功能牵引接骨固定装置，主要设计有两条牵引夹板为基座，两条夹板前端分别设有多个牵引钉安装孔供安装选择设计，牵引钉安装孔内后有加固螺帽调节固定，也包括护钉套件结构、及焊接、或连体成两相“钳式钩爪子”，夹板中段设有多个安装孔供安装选择，定位加压螺丝安装孔内后有加固螺帽调节固定，夹板后端设有安装孔，牵引把手螺丝安装孔内后有加固螺帽调节固定，牵引夹板中段还设有多个螺丝孔，供辅助固定针座安装，辅助固定针座分为两种：其中设计有连体辅助固定针座与分体辅助固定针座，连体固定针座是设置在牵引夹板本体上，分体固定针座通过螺丝安装固定，各辅助针座上配备辅助固定针，有加固螺帽调节固定；所述定位加压螺丝中段可方可圆，设为方体的是为辅助固定提供基座方便安装，主要为脚底跟骨及中关节部位骨折增加固定设计的，所述牵引夹板顶部设有螺丝孔是为护钉螺丝安装，为保护牵引钉的角度以防钉头滑出，进退可调节；弹簧、平垫的设计是外固定医学新创举，通过弹簧功能犹如机器手推动固定针有自然加压固定作用。
附图说明
图1、为人体骰骨骨折用传统开刀手术使用钢板内固定接骨侧面示意图。
图2、为人体下腿骨折用传统开刀手术使用钢板内固定接骨平面示意图。
图3、为人体下腿骨折用传统牵引治疗法牵引钉部位至骨折对位示意图。
图4、为本发明专利多功能牵引接骨固定装置在人体骰骨骨折牵引治疗侧面示意图。
图5、为本发明专利多功能牵引接骨固定装置在人体下腿多处骨折牵引加辅助固定治疗技术平面示意图。
图6、为本发明专利多功能牵引接骨固定装置在人体下腿多处骨折牵引加辅助固定治疗技术侧面示意图。
图7、为本发明专利多功能牵引接骨固定装置在人体跟骨骨折牵引固定治疗示意图。
图8、为本发明专利多功能牵引接骨固定装置在人体上肢骨折牵引治疗示意图。
图9、为本发明专利多功能牵引接骨固定装置基本零部件。
图10、为本发明专利多功能牵引接骨固定装置文件中所述的“钳式钩爪子”。
各附图中：1、牵引夹板，(1-1)牵引钉安装孔，(1-2)第二安装孔，(1-3)第三安装孔，(1-4)螺丝孔，1-0、辅助固定穿针口，2、牵引钉，(2-1)螺丝纹，3、牵引把手螺丝，(3F)、定位加压螺丝，(3-1)螺丝纹，4、紧定螺丝，4B、护钉螺丝，5、加固螺帽，6、辅助 固定针，(6-1)螺丝纹，7、单向辅助固定针座，7LT、连体单向辅助固定针座，(7-1)第一穿针孔，(7-2)第四安装孔，8、侧面辅助固定针座，(8-1)第二穿针孔，(8-2)第五安装孔，9、双向辅助固定针座，9LT、连体双向辅助固定针座，(9-1)第三穿针孔，(9-2)第六安装孔，10、脚底固定针座，(10-1)第四穿针孔，(10-4)第二螺丝孔，11、弹簧，12、平垫，13、护钉套件，(13-1)螺丝纹，(13-4)第三螺丝孔，14、防滑螺帽。
具体实施方式
如图1、图2所示，人体骨折用传统开刀手术内固定接骨方法，它的弊端，1、要切开肌肉，漏出一个大口，开刀破坏骨折周围组织，据理论分析人体骨头和周围组织同样重要，传统手术为了连接里面骨折，破坏周围组织，就可比天灾人祸，如果手术成功还要受第二次取内固定手术之苦，2、在血液膜湖三方看不见的一小口里操作接骨，视线差手术难度极大，常常出现对位误差，严重的还要动第二次手术，甚至造成患者至终身残疾。
图3、为传统牵引治疗方法牵引钉与骨折之间位置示意图，传统牵引它的弊端，1、由于传统牵引钉为一枚设计，牵引要穿透骨头，可人体小腿是双骨结构不合适，由此医生只能将牵引钉选择打入跟骨，由于跟骨与小腿双骨不在一条垂线上，牵引效果不能保证；2、另外传统牵引钉穿透人体骨头震动大，影响开裂的骨头彻底移位；造成二次损伤；故此现在大部分西医都选择开刀手术用钢板内固定。
如图4、所示，一种多功能牵引接骨固定装置，该固定装置包括牵引夹板1，牵引钉2，牵引把手螺丝3，定位加压螺丝3F，护钉螺丝4B、加固螺帽5，护钉套件13，防滑螺帽14；所述牵引夹板1共为两条长条形，两条牵引夹板1本体前端分别设有牵引钉安装孔1-1，中段设有第二安装孔1-2与螺丝孔1-4，所述牵引夹板1后端设有第三安装孔1-3，所述牵引夹板1的顶部90度折弯，上面设有螺丝孔1-4；或牵引夹板1为直条，前端牵引钉安装孔1-1内设有护钉套件13，防滑螺帽14或其它螺帽安装在护钉套件13-1螺丝纹上，分别在两条牵引夹板1的外面安装固定；所述两条牵引夹板1中段第二安装孔1-2通过定位加压螺丝3F相连接，及两条牵引夹板1后端第三安装孔1-3通过牵引把手螺丝3相连接，所述加压定位螺丝3F及牵引把手螺丝3的两头螺丝纹3-1上各设有加固螺帽5，并在两条牵引夹板1的内外两面安装调节固定；所述牵引钉2为一字形截面圆形，前端尖锐，后端为光滑直条，或设有螺丝纹2-1，所述牵引钉2通过牵引钉安装孔1-1与牵引夹板1相连接，所述加固螺帽5设置在牵引钉2螺丝纹2-1上，分别设在两条牵引夹板1的内外两面安装调节固定；所述两条牵引夹板1的顶部螺丝孔1-4内设有护钉螺丝4B，或牵引钉2安装在护钉套件13内，第三螺丝孔13-4内设有紧定螺丝4，位于所述两条牵引夹板1的前端牵引钉2钉头相向打入骨折下端确认固定位置，两相牵引夹板1后端顺着大腿方向通过牵引把手螺丝3硾拉牵引。
如图5、图6、图7、图8所示，一种多功能牵引接骨固定装置，该固定装置包括牵引夹板1，牵引钉2，定位加压螺丝3F，牵引把手螺丝3，护钉螺丝4B，加固螺帽5，辅助固定穿针口1-0，及单向辅助固定针座7，侧面辅助固定针座8，双向辅助固定针座9，脚底固定针座10，辅助固定针6；所述牵引夹板1共为两条长条形，两条牵引夹板1本体前端分别设有多个牵引钉安装孔1-1，中段设有多个第二安装孔1-2与多个螺丝孔1-4，后端设有第三安装孔1-3，所述牵引夹板1的顶部90度折弯设有螺丝孔1-4，所述两条牵引夹板1中段第二安装孔1-2通过定位加压螺丝3F相连接，及两条牵引夹板1后端第三安装孔1-3通过把手螺丝3相连接，所述固定加压螺丝3F及牵引把手螺丝3的两头螺丝纹3-1上各设有加固螺帽5并在两条牵引夹板1的内外两面安装调节固定；所述牵引钉2为一字形截面圆形，前端尖锐，后端光滑直条，或设有螺丝纹2-1，所述牵引钉2通过牵引钉安装孔1-1与牵引夹板1相连接，加固螺帽5设置在牵引钉2螺丝纹2-1上，分别在两条牵引夹板1的内外两面安装调节固定；两条牵引夹板1的顶部螺丝孔1-4内设有护钉螺丝4B，位于所述两条牵引夹板1的前端牵引钉2钉头相向打入骨折下端确认固定位置，两相牵引夹板1后端顺着大腿方向通过牵引把手螺丝3硾拉牵引；所述辅助固定穿针口1-0为仓口形，前端靠近牵引钉2，后端靠近单向辅助固定针座7；所述单向辅助固定针座7为I形折弯，前端设有穿针孔7-1，后端设有两个第四安装孔7-2，通过第四安装孔7-2与牵引夹板1相连接，螺丝孔1-4内设有紧定螺丝4；固定针6设置在第一穿针孔7-1内，加固螺帽5设置在固定针6螺丝纹6-1上，并在辅助固定针座7-1两面调节固定；所述侧面辅助固定针座8为L形侧面折弯，前端设有第二穿针孔8-1，后端设有两个第五安装孔8-2，通过第五安装孔8-2与牵引夹板1相连接，螺丝孔1-4内设有紧定螺丝4；固定针6设置在第二穿针孔8-1内，加固螺帽5设置在固定针6螺丝纹6-1上，并在辅助固定针座8-1两面调节固定；所述双向辅助固定针座9为U形两侧折弯，两侧前端设有第三穿针孔9-1，后端设有两个第六安装孔9-2；通过第六安装孔9-2与牵引夹板1相连接，螺丝孔1-4内设有紧定螺丝4；固定针6设置在两侧第三穿针孔内，加固螺帽5设置在两侧固定针6螺丝纹6-1上，并在两侧辅助固定针座9-1两面调节固定；所述连体单向辅助固定针座7LT位于牵引夹板1中前部，前端设有穿针孔7-1，后端连接辅助固定穿针口1-0底部，使用辅助固定时用钳子崛起并调节到确认固定角度，固定针6设置在第一穿针孔7-1内，加固螺帽5设置在固定针6螺丝纹6-1上，并在辅助固定针座7-1两面调节固定；所述连体双向辅助固定针座9LT位于牵引夹板1中前部两侧，前端设有穿针孔9-1，后端连接在牵引夹板1本体，使用辅助固定时用钳子崛起并调节到确认固定角度，固定针6设置在两侧第三穿针孔9-1内，加固螺帽5设置在固定针6螺丝纹6-1上，并在两侧辅助固定针座9-1两面调节固定；所述脚底辅助固定针座10位于牵引夹板1中后部，设置以定位加压 螺丝3F为基座，前端设有穿针孔10-1，后端卡槽结构设有第二螺丝孔10-4，通过卡槽结构与定位加压螺丝3F相连接，在定位加压螺丝3F上面移动到确认固定位置，所述第二螺丝孔10-4内设有紧定螺丝4；固定针6设置在第四穿针孔10-1内，加固螺帽5设置在固定针6螺丝纹6-1上，并在脚底辅助固定针座第四穿针孔10-1两面调节固定；或弹簧11、平垫12设置在第四穿针孔10-1与加固螺帽5之间。
如图4、所示，本发明专利A款，第一种实施例多功能牵引接骨固定装置用于牵引接骨的使用方法：1)将患者安躺在病床上，2)不开刀，(消肿后)首先将多功能牵引固定装置根据X光片骨折的移位情况及腿的宽度与长度掌握好，确定牵引钉2的位置及牵引夹板1的中段第二安装孔1-2的位置安装好固定装置(牵引钉2可例外)，2)先做消毒，3)再注射局部麻药，4)事后医生可将两枚牵引钉2先后时间相向穿透皮层打入骨头约10毫米左右，如有专用工具同时相向压进骨头为佳，5)之后在牵引钉2螺丝纹2-1上装上一个加固螺帽5并确定位置，6)再将固定装置一边松开，选择牵引夹板安装孔1-1套在牵引钉2螺丝纹2-1上，另外一边同样安装，同时将加固螺帽5安装在两边牵引钉2螺丝纹2-1上，在两条牵引夹板1的内外拧紧固定，7)将护钉螺丝4B安装在牵引夹板1顶部螺丝孔1-4内，并拧紧顶住牵引钉2可保护牵引钉2的角度作用即可，最后将患者的大腿护到牵引架上，牵引砣挂在牵引把手螺丝3上硾拉牵引即可。
如图5、图6、图7、图8所示，本(B、C、D、H)款，第二种实施例多功能牵引接骨固定装置用于牵引接骨及辅助固定的使用方法：1)将患者安躺在病床，大腿护到牵引架上，医生根据患者X光片骨折的移位情况，预先安装好牵引接骨固定装置及辅助固定针座并调节好角度，安装好牵引钉2；2)固定时将牵引夹板1一边松开并将牵引装置放到腿的牵引位置，两边前端牵引钉2相向先后打入骨头(如有专用工具同时相向压进骨头为佳)，检查一下牵引钉2打入骨头合适后，同时再拧紧所有的加固螺帽5；3)将护钉螺丝4B安装在牵引夹板1顶部螺丝孔1-4内并拧紧顶住牵引钉2可保护牵引钉角度即可，最后将牵引砣挂在牵引把手螺丝3上硾拉牵引；4)完成上面牵引工序后再安装辅助固定，1)首先将辅助固定针6针头套进穿针孔内并从针头方向安装一个加固螺帽5(也可先按弹簧、平垫、后再按螺帽5)在辅助固定针6螺丝纹6-1上；2)将辅助固定针6针头打进固定目标穿透皮层顶住移位骨头，再在辅助固定针后端螺丝纹6-1上穿针孔外安装一个加固螺帽5，之后将辅助固定件两边的加固螺帽5同时拧紧即可。备注：1、如装有弹簧(11)、平垫(12)、将固定针6后端加固螺帽5松开，同时拧紧弹簧下面的加固螺帽5给弹簧适当增加压缩即可；2、以上辅助固定安装工序包括7、8、9、10...等辅助固定，相同的安装程序不再描述，如有条件在X光下操作更好；3、如果腿肿辅助固定目标模糊就先牵引几天，辅助固定可隔日待消肿后再固定。

Claims (10)

  1. 一种多功能牵引接骨固定装置，其特征是：包括牵引夹板(1)，牵引钉(2)，定位加压螺丝(3F)，牵引把手螺丝(3)，紧定螺丝(4)，护钉螺丝(4B)，护钉套件(13)，防滑螺帽(14)：所述牵引夹板(1)共为两条长条形，两条牵引夹板(1)本体前端分别设有牵引钉安装孔(1-1)，中段设有第二安装孔(1-2)与螺丝孔(1-4)，所述牵引夹板(1)的后端设有第三安装孔(1-3)，所述牵引夹板(1)顶部90度折弯，上面设有螺丝孔(1-4)；或牵引夹板(1)为直条，前端牵引钉安装孔(1-1)内设有护钉套件(13)，防滑螺帽(14)或其它螺帽安装在护钉套件螺丝纹(13-1)上，分别在两条牵引夹板(1)的外面安装固定，所述两条牵引夹板(1)中段第二安装孔(1-2)通过定位加压螺丝(3F)相连接，及两条牵引夹板(1)后端第三安装孔(1-3)通过牵引把手螺丝(3)相连接，所述定位加压螺丝(3F)及牵引把手螺丝(3)的两头螺丝纹(3-1)上分别设有加固螺帽(5)，并在两条牵引夹板(1)的内外两面安装调节固定；所述牵引钉(2)通过牵引钉安装孔(1-1)与牵引夹板(1)相连接，两条牵引夹板(1)的顶部螺丝孔(1-4)内设有护钉螺丝(4B)；或牵引钉(2)安装在护钉套件(13)内，第三螺丝孔(13-4)内设有紧定螺丝(4)；位于所述两条牵引夹板(1)的前端牵引钉(2)钉头相向打入骨折下端确认固定位置，两相牵引夹板(1)的后端顺着大腿方向通过牵引把手螺丝(3)硾拉牵引。
  2. 根据权利要求1所述的多功能牵引接骨固定装置，其特征是：所述牵引钉(2)为一字形截面圆形，前端尖锐，后端为光滑直条，或设有螺丝紋(2-1)，所述牵引钉(2)为两枚以上，分别通过牵引钉安装孔(1-1)与两条牵引夹板(1)相连接，加固螺帽(5)设置在牵引钉(2)螺丝纹(2-1)上，分别在两条牵引夹板(1)内外两面安装固定，及焊接或连体成两相钳式钩爪子。
  3. 一种多功能牵引接骨固定装置，其特征是：包括牵引夹板(1)，牵引钉(2)，定位加压螺丝(3F)，牵引把手螺丝(3)，护钉螺丝(4B)，辅助固定穿针口(1-O)，单向辅助固定针座(7)，连体单向辅助固定针座(7LT)，侧面辅助固定针座(8)，双向辅助固定针座(9)，连体双向辅助固定针座(9LT)，脚底固定针座(10)，辅助固定针(6)；所述牵引夹板(1)共为两条长条形，两条牵引夹板(1)本体前端分别设有多个牵引钉安装孔(1-1)，中段设有多个第二安装孔(1-2)与多个螺丝孔(1-4)，所述牵引夹板(1)的后端设有第三安装孔(1-3)，所述牵引夹板(1)的顶部90度折弯设有螺丝孔(1-4)，所述两条牵引夹板(1)中段第二安装孔(1-2)通过定位加压螺丝(3F)相连接，及两条牵引夹板(1)后端第三安装孔(1-3)通过牵引把手螺丝(3)相连接，所述定位加压螺丝(3F)及牵引把手螺丝(3)的两头螺丝纹(3-1)上各设有加固螺帽(5)，并在两条牵引夹板(1)的内外两面安装调节固定；所述牵引钉(2)通过牵引钉安装孔(1-1)与牵引夹板(1)相连接，加固螺帽(5)设置在牵引钉(2)螺丝纹(2-1)上，分别设在两条牵引夹板(1)的内外两面安装调节固定；两条牵引夹板(1)的顶部螺丝孔(1-4)内设有护钉螺丝(4B)，位于两条牵引夹板(1)的前端牵引钉(2)钉头相向打入骨折下端确认固定位置，两相牵引夹板(1)后端顺着大腿方向通过牵引把手螺丝(3)硾拉牵引；所述牵引夹板(1)中段设有单向辅助固定针座(7)及连体单向辅助固定针座(7LT)，单向辅助固定针座(7)及连体单向辅助固定针座(7LT)前端第一穿针孔(7-1)内设有辅助固定针(6)，位于所述牵引夹板(1)中前段辅助固定针(6)通过辅助固定穿针口(1-O)顶住开裂的骨头达到辅助固定；所述牵引夹板(1)中后段设有侧面辅助固定针座(8)，侧面辅助固定针座(8)前端第二穿针孔(8-1)内设有辅助固定针(6)，位于所述牵引夹板(1)中后段侧面辅助固定针(6)针头顶住开裂的骨头达到辅助固定；所述牵引夹板(1)中前段两侧设有双向辅助固定针座(9)及连体双向辅助固定针座(9LT)，双向辅助固定针座(9) 及连体双向辅助固定针座9LT)前端第三穿针孔(9-1)内设有辅助固定针(6)，位于所述牵引夹板(1)中前段两侧辅助固定针(6)针头分别顶住两处开裂的骨头达到辅助固定。
  4. 根据权利要求3所述的多功能牵引接骨固定装置，其特征是：所述牵引夹板(1)中前段设有辅助固定穿针口(1-O)，辅助固定穿针口(1-O)为仓口形，前端靠近牵引钉(2)，后端靠近单向辅助固定针座(7)。
  5. 根据权利要求3所述的多功能牵引接骨固定装置，其特征是：所述单向辅助固定针座(7)为I形折弯，前端设有第一穿针孔(7-1)，后端设有两个第四安装孔(7-2)，通过第四安装孔(7-2)与牵引夹板(1)相连接，螺丝孔(1-4)内设有紧定螺丝(4)，固定针(6)设置在第一穿针孔(7-1)内，加固螺帽(5)设置在固定针(6)螺丝纹(6-1)上，并在辅助固定针座第一穿针孔(7-1)的两面调节固定。
  6. 根据权利要求3所述的多功能牵引接骨固定装置，其特征是：所述侧面辅助固定针座(8)为L形侧面折弯，前端设有第二穿针孔(8-1)，后端设有两个第五安装孔(8-2)，通过第五安装孔(8-2)与牵引夹板(1)相连接，螺丝孔(1-4)内设有紧定螺丝(4)；固定针(6)设置在第二穿针孔(8-1)内，加固螺帽(5)设置在固定针(6)螺丝纹(6-1)上，并在侧面辅助固定针座第二穿针孔(8-1)的两面调节固定。
  7. 根据权利要求3所述的多功能牵引接骨固定装置，其特征是：所述双向辅助固定针座(9)为U形两侧折弯，两侧前端设有第三穿针孔(9-1)，后端设有两个第六安装孔(9-2)，通过第六安装孔(9-2)与牵引夹板(1)相连接，螺丝孔(1-4)内设有紧定螺丝(4)；两枚固定针(6)分别设置在两侧的第三穿针孔内，加固螺帽(5)设置在两侧固定针(6)螺丝纹(6-1)上，并在两侧辅助固定针座第三穿针孔(9-1)的两面调节固定。
  8. 根据权利要求3所述的多功能牵引接骨固定装置，其特征是：所述连体单向辅助固定针座(7LT)位于牵引夹板(1)中前部，前端设有第一穿针孔(7-1)，后端连接辅助固定穿针口(1-O)底部，使用辅助固定时用钳子崛起并调节到确认固定角度，固定针(6)设置在第一穿针孔(7-1)内，加固螺帽(5)设置在固定针(6)螺丝纹(6-1)上，并在辅助固定针座第一穿针孔(7-1)的两面调节固定。
  9. 根据权利要求3所述的多功能牵引接骨固定装置，其特征是：所述连体双向辅助固定针座(9LT)位于牵引夹板(1)中前部两侧，前端设有第三穿针孔(9-1)，后端连接在牵引夹板(1)本体，使用辅助固定时用钳子崛起并调节到确认固定角度，固定针(6)设置在第三穿针孔(9-1)内，加固螺帽(5)设置在固定针(6)螺丝纹(6-1)上，并在辅助固定针座第三穿针孔(9-1)的两面调节固定。
  10. 根据权利要求3所述的多功能牵引接骨固定装置，其特征是：所述脚底辅助固定针座(10)位于牵引夹板(1)中后部，设置以定位加压螺丝(3F)为基座，前端设有第四穿针孔(10-1)，后端卡槽结构设有第二螺丝孔(10-4)，通过卡槽结构与定位加压螺丝(3F)相连接，在定位加压螺丝(3F)上面移动到确认固定位置，所述第二螺丝孔(10-4)内设有紧定螺丝(4)，固定针(6)设置在第四穿针孔(10-1)内，加固螺帽(5)设置在固定针(6)螺丝纹(6-1)上，并在脚底辅助固定针座第四穿针孔(10-1)的两面调节固定；或弹簧(11)、平垫(12)设置在第四穿针孔(10-1)与加固螺帽(5)之间。
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WO2006126033A1 (en) * 2005-05-24 2006-11-30 Kadas Istvan Device for covered screwing of broken and shortened bones
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CN202136454U (zh) * 2011-07-08 2012-02-08 山东省文登整骨医院 可伸缩的下肢牵引弓
CN202335915U (zh) * 2011-11-20 2012-07-18 严宁 旋入卡紧式踝部牵引弓
CN103445831A (zh) * 2013-08-10 2013-12-18 李国华 一种骨牵引器
CN208677476U (zh) * 2018-03-26 2019-04-02 赵卫国 一种分体式骨牵引器

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Publication number Priority date Publication date Assignee Title
WO2006126033A1 (en) * 2005-05-24 2006-11-30 Kadas Istvan Device for covered screwing of broken and shortened bones
CN201275128Y (zh) * 2008-10-24 2009-07-22 刘锦波 骨牵引器
CN202136454U (zh) * 2011-07-08 2012-02-08 山东省文登整骨医院 可伸缩的下肢牵引弓
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