WO2022041654A1 - Dispositif de traitement du pied diabétique - Google Patents

Dispositif de traitement du pied diabétique Download PDF

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Publication number
WO2022041654A1
WO2022041654A1 PCT/CN2021/074270 CN2021074270W WO2022041654A1 WO 2022041654 A1 WO2022041654 A1 WO 2022041654A1 CN 2021074270 W CN2021074270 W CN 2021074270W WO 2022041654 A1 WO2022041654 A1 WO 2022041654A1
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WO
WIPO (PCT)
Prior art keywords
support rod
elastic support
rod
deformable frame
diabetic foot
Prior art date
Application number
PCT/CN2021/074270
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English (en)
Chinese (zh)
Inventor
徐淑芬
张茜垚
王凌
邢羽杰
辜阿林
方明
Original Assignee
浙江科惠医疗器械股份有限公司
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Application filed by 浙江科惠医疗器械股份有限公司 filed Critical 浙江科惠医疗器械股份有限公司
Publication of WO2022041654A1 publication Critical patent/WO2022041654A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/02—Devices for expanding tissue, e.g. skin tissue
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • 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
    • A61B2017/564—Methods for bone or joint treatment

Definitions

  • the invention belongs to the medical technical field, and relates to a diabetic foot treatment device and a use method thereof.
  • Diabetic foot and other diseases can easily cause limb ischemia, pain and necrosis. Many patients have to amputate their limbs, and even after amputation, the wound will still not heal. , vascular stent and other treatment methods to reconstruct the microcirculation of limb tissue.
  • the widely used transverse bone transfer technique is an effective method for the treatment of diabetic foot.
  • This technique promotes the regeneration and recanalization of local bone, soft tissue and blood vessels through slow and continuous tension stimulation.
  • the lateral bone transfer technique is complicated to operate during the operation, and requires delicate operation to separate a section of bone fragments. Regenerates and recanalizes blood vessels by stimulating the conditioning of the isolated bone mass.
  • periosteal distraction technique which inserts a plate under the periosteum, installs a screw on the plate, the flat head of the screw bears against the cortical bone, and rotates the screw to elevate the plate and the periosteum along the way, thereby stimulating the subperiosteal.
  • Angiogenesis and recanalization which inserts a plate under the periosteum, installs a screw on the plate, the flat head of the screw bears against the cortical bone, and rotates the screw to elevate the plate and the periosteum along the way, thereby stimulating the subperiosteal.
  • Angiogenesis and recanalization which inserts a plate under the periosteum, installs a screw on the plate, the flat head of the screw bears against the cortical bone, and rotates the screw to elevate the plate and the periosteum along the way, thereby stimulating the subperiosteal.
  • Angiogenesis and recanalization which inserts a plate under the peri
  • the above two technologies usually involve device products with large defects and high risks; first, the product needs to use Kirschner wire for positioning on the cortical bone and a retractor-type bone needle for bone transport, and one side enters the bone. The other side is exposed to the air, which is easy to cause bone infection; secondly, the driving part of the adjustment screw is often exposed outside the skin, and the overlapping part of the thread and the skin has been in contact with the outside air, which is also likely to cause infection; and usually the screw is Full thread, there is no effective limit on the lifting distance, and there is the possibility of misoperation. Excessive lifting will not only cause treatment failure, but even increase complications. Therefore, the adjustment accuracy and quality depend on the doctor's work experience.
  • the purpose of the present invention is to provide a diabetic foot treatment device and a method of using the same in view of the deficiencies of the prior art.
  • the device has a simple structure, and can be implanted into the human body using in vitro regulation, which can effectively prevent infection and simultaneously realize Accurate adjustment function, in addition, the device of the present invention can also be provided with bone needles to further realize the repair and reconstruction of bone marrow involved in blood vessels, which is beneficial to the treatment and recovery of diabetic foot.
  • a diabetic foot treatment device comprising at least two first elastic support rods, at least two second elastic support rods, and at least one support rod; the length of the first elastic support rod is greater than that of the second elastic support rod, and the first elastic support rod.
  • the two ends of the support rod and the two ends of the second elastic support rod are respectively fixedly connected to form a deformable frame body, and each of the two ends of the support rod is fixedly connected with one of the deformable frame bodies, and the two deformable frame bodies are distributed symmetrically;
  • the deformable frame also includes at least one magnetron telescopic rod, and the two ends of the magnetron telescopic rod are respectively fixed with the first elastic support rod and the second elastic support rod, or the magnetron telescopic rod The two ends of the telescopic rod are respectively fixed with the two ends of the first elastic support rod and the two ends of the second elastic support rod.
  • the two ends of the support rod are respectively fixed with the midpoint of the first elastic support rod in the deformable frame body, and the support rod is also provided with a bone pin without threads, and the upper end of the bone pin is Being fixed with the support rod, the cutting edge end faces downward toward the second elastic support rod, and the length of the bone needle exceeds the plane formed by the second elastic support rods in the two deformable frame bodies.
  • the present invention also provides a diabetic foot treatment device, which includes at least two first elastic support rods, at least one support rod, and at least two magnetron telescopic rods; two ends of each first elastic support rod are connected to a magnetic Two ends of the telescopic control rod are fixedly connected to form a deformable frame body, and two deformable frame bodies are fixedly connected to each end of the support rod, and the two deformable frame bodies are symmetrically distributed.
  • both ends of a support rod are respectively fixed with the midpoint of the first elastic support rod in the deformable frame body, and an unthreaded bone pin is also provided on the support rod, and the upper end of the bone pin is It is fixed with the support rod, and the cutting edge end faces downwards in the direction of the magnetron telescopic rod, and the length of the bone pin exceeds the plane formed by the magnetron telescopic rod in the two deformable frames.
  • the magnetron telescopic rod can be made of magnetostrictive material.
  • first elastic support rod and the support rod are made of non-magnetic materials.
  • the second elastic support rod and bone pin are made of non-magnetic materials
  • each component of the device is provided with an antibacterial coating.
  • the whole is implanted under the periosteum of the human body, and no related parts are exposed in vitro, so there is no problem of in vitro infection caused by external parts infection;
  • the device of the present invention realizes the stretch of the periosteum by constructing a deformable frame structure and deforming the frame body by using a magnetic field change in vitro, which is beneficial to the repair and reconstruction of blood vessels. Furthermore, it can also deform the frame body. Drive the bone needle up and down to move the bone block.
  • the device of the present invention utilizes the magnetic field to regulate and retract the telescopic rod to drive the deformable frame structure to deform.
  • the regulation of the magnetic field can be controlled by a computer, and the present invention can realize automatic regulation and precise regulation without relying on the experience of doctors;
  • the device of the present invention also conforms to the technical principle of transverse bone transport, and can drive the bone needle into the medullary cavity, so that the bone marrow can flow out along the position hole, which is beneficial to the repair and reconstruction of blood vessels.
  • the device of the present invention regulates the expansion and contraction of the telescopic rod through the magnetic field, and drives the deformable frame to deform to increase or decrease the height of the deformable frame.
  • the periosteum of the corresponding part is also lifted, causing the periosteum to be distracted.
  • the expansion area increases, and the vascular repair and reconstruction area increases; when the support rod located in the middle moves down, the periosteal distraction is reduced.
  • FIG. 1 is a schematic structural diagram of an embodiment of the device of the present invention.
  • FIG. 2 is a schematic structural diagram of another embodiment of the device of the present invention.
  • Fig. 3 is another perspective schematic diagram of the device of Fig. 2;
  • Fig. 4 is a kind of deformation result schematic diagram of the deformable frame in the present invention.
  • FIG. 5 is a schematic diagram of another deformation result of the deformable frame in the present invention.
  • FIG. 6 is a schematic diagram of a deformation of the deformable frame body according to another embodiment of the present invention.
  • Fig. 7 is another deformation schematic diagram of the variable frame body in another embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of another embodiment of the apparatus of the present invention.
  • the diabetic foot treatment device includes two first elastic support rods 1, two second elastic support rods 2, and three support rods 3; the first elastic support rods
  • the length of the support rod 1 is greater than that of the second elastic support rod 2, and the two ends of the first elastic support rod 1 are fixedly connected with the two ends of the second elastic support rod 2 to form a deformable frame. Due to the length of the first elastic support rod 1 Longer, so under the action of no external force, the two elastic struts are in a state of bending;
  • One of the deformable frame bodies is fixedly connected to each end of the support rod 3 , and the two deformable frame bodies are symmetrically distributed; among the three support rods 3 , one end is connected to the midpoint of the first elastic support rod 1 fixed, the other two ends are connected with the first
  • an elastic support rod 1 and a second elastic support rod 2 are fixed to each other, and the three support rods 3 are parallel to each other; it provides support for the entire device and increases the area of periosteal peeling;
  • the deformable frame also includes a magnetron telescopic rod 5, and the two ends of the magnetron telescopic rod 5 are respectively fixed to the rod bodies of the first elastic support rod 1 and the second elastic support rod 2 (as shown in Figures 1 and 2). , 4, 5), or the two ends of the magnetron telescopic rod 5 are respectively fixed with the two ends of the first elastic support rod 1 and the two ends of the second elastic support rod 2 (as shown in Figures 6 and 7).
  • the deformable frame body can be deformed by the expansion and contraction of the magnetron telescopic rod 5.
  • the magnetron telescopic rod 5 can be made of magnetostrictive material.
  • the support rods 3 are made of non-magnetic materials, such as medical plastic, pure titanium and medical stainless steel.
  • the surface of the magnetron telescopic rod 5 can also be coated with a biocompatible material.
  • various components of the device of the present invention may be further provided with an antimicrobial coating.
  • the entire device of the present invention When in use, the entire device of the present invention is implanted under the periosteum of the human body, and the magnetic field is regulated outside the implantation site, so that the magnetron telescopic rod 5 is telescopically deformed, thereby driving the deformable frame to deform, as shown in Figure 4 when The shape of the deformable frame body when the magnetron telescopic rod 5 is controlled to be shortened, Figure 5 is the shape of the deformable frame body when the control magnetron telescopic rod 5 is extended, the deformation of the device of the present invention can achieve the distraction effect on the periosteum .
  • the device in addition to the structure shown in FIG. 1, the device is also provided with two unthreaded bone pins 4.
  • the upper end of the bone pins 4 is connected to a central one
  • the root support rod 3 is fixed, and the cutting edge end faces downwards in the direction of the second elastic support rod 2.
  • the length of the bone pin 4 exceeds the plane formed by the second elastic support rod 2 in the two described deformable frames, as shown in the figure. 3 shown.
  • the bone needle 4 can be made of non-magnetic materials such as pure titanium or medical stainless steel.
  • the deformable frame body can be deformed. When deformed, it moves down or up accordingly, which drives the bone pieces inserted with the spicules to also rise up to complete the bone transfer.
  • the change of the magnetic field can be controlled by the computer, the deformation amount of the magnetron telescopic rod 5 can be designed in advance, and the whole treatment process is controlled by the computer, which can realize automatic and precise regulation.
  • periosteal distraction of the device of the present invention the change of the external magnetic field causes the magnetron telescopic rod 5 to undergo telescopic deformation, which can drive the deformation of the deformable frame to increase or decrease the height of the deformable frame.
  • the support rod in the middle is lifted
  • the periosteum of the corresponding part is also lifted, resulting in an increase in the stretched area of the periosteum; when the support rod in the middle moves down, the stretch of the periosteum is reduced.
  • the diabetic foot treatment device includes at least two first elastic support rods 1 , at least one support rod 3 , and at least two magnetron telescopic rods 5
  • the two ends of each first elastic support rod 1 are fixedly connected with the two ends of a magnetron telescopic rod 5 to form a deformable frame body
  • each of the two ends of the support rod 3 is fixedly connected with a described deformable frame body , and the two deformable frames are symmetrically distributed. same,
  • two ends of one of the support rods 3 can be respectively fixed with the midpoint of the first elastic support rod 1 in the deformable frame body, and the support rod 3 is also provided with a Threaded bone needle 4, the upper end of the bone needle 4 is fixed with the support rod 3, the cutting edge end faces the direction of the magnetron telescopic rod 5 downward, and the length of the bone needle 4 exceeds the magnetron in the two deformable frames.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Animal Behavior & Ethology (AREA)
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  • Orthopedic Medicine & Surgery (AREA)
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Abstract

L'invention concerne un dispositif de traitement du pied diabétique, comprenant au moins deux premières tiges de support élastiques, au moins une tige de support et au moins deux tiges télescopiques à commande magnétique. Au moins deux corps de cadre déformables sont formés dans le dispositif, et la tige de support a pour fonction de supporter les corps de cadre déformables. Dans le dispositif, au moyen d'un champ magnétique, la tige télescopique à commande magnétique est ajustée et commandée pour s'étendre et se rétracter, de telle sorte que le corps de cadre déformable se déforme, et par conséquent, une distraction périostique est obtenue et la réparation de vaisseau sanguin est favorisée. Le dispositif présente une structure simple, et lors de l'utilisation, l'ensemble du dispositif est implanté dans un corps humain et un ajustement et une commande in vitro sont utilisés, de telle sorte que les infections peuvent être efficacement empêchées, et une fonction de régulation précise peut également être obtenue. En outre, un spicule osseux peut en outre être prévu dans le dispositif, de telle sorte que la moelle osseuse peut en outre participer à la réparation et à la reconstruction de vaisseaux sanguins, ce qui facilite le traitement et la récupération de pieds diabétiques.
PCT/CN2021/074270 2020-08-28 2021-01-29 Dispositif de traitement du pied diabétique WO2022041654A1 (fr)

Applications Claiming Priority (2)

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CN202010886106.1 2020-08-28
CN202010886106.1A CN111973288B (zh) 2020-08-28 2020-08-28 一种糖尿病足治疗装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117017270A (zh) * 2023-10-10 2023-11-10 北京安吉贝玛健康科技有限公司 一种内分泌科糖尿病患者足底压力检测装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111973288B (zh) * 2020-08-28 2021-10-29 浙江科惠医疗器械股份有限公司 一种糖尿病足治疗装置

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CN106308978A (zh) * 2016-08-17 2017-01-11 董谢平 一种骨内骨搬移器及其使用方法
US20170042576A1 (en) * 2009-12-17 2017-02-16 Engage Medical Holdings, Llc Blade fixation for ankle fusion and arthroplasty
CN206228410U (zh) * 2016-07-01 2017-06-09 河北工业大学 一种基于磁致伸缩的泰勒架骨康复机构
WO2018125980A1 (fr) * 2016-12-30 2018-07-05 Smith & Nephew, Inc. Clou de transport osseux
CN108904026A (zh) * 2018-08-13 2018-11-30 北京大学人民医院 可用于骨搬运的电磁驱动髓内针
CN111529028A (zh) * 2020-04-28 2020-08-14 花奇凯 一种骨膜搬移器
CN111973288A (zh) * 2020-08-28 2020-11-24 浙江科惠医疗器械股份有限公司 一种糖尿病足治疗装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170042576A1 (en) * 2009-12-17 2017-02-16 Engage Medical Holdings, Llc Blade fixation for ankle fusion and arthroplasty
CN206228410U (zh) * 2016-07-01 2017-06-09 河北工业大学 一种基于磁致伸缩的泰勒架骨康复机构
CN106308978A (zh) * 2016-08-17 2017-01-11 董谢平 一种骨内骨搬移器及其使用方法
WO2018125980A1 (fr) * 2016-12-30 2018-07-05 Smith & Nephew, Inc. Clou de transport osseux
CN108904026A (zh) * 2018-08-13 2018-11-30 北京大学人民医院 可用于骨搬运的电磁驱动髓内针
CN111529028A (zh) * 2020-04-28 2020-08-14 花奇凯 一种骨膜搬移器
CN111973288A (zh) * 2020-08-28 2020-11-24 浙江科惠医疗器械股份有限公司 一种糖尿病足治疗装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117017270A (zh) * 2023-10-10 2023-11-10 北京安吉贝玛健康科技有限公司 一种内分泌科糖尿病患者足底压力检测装置
CN117017270B (zh) * 2023-10-10 2023-12-22 北京安吉贝玛健康科技有限公司 一种内分泌科糖尿病患者足底压力检测装置

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CN111973288B (zh) 2021-10-29

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