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CN107007344B - Percutaneous nail-placing guide plate - Google Patents

Percutaneous nail-placing guide plate Download PDF

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Publication number
CN107007344B
CN107007344B CN201710397720.XA CN201710397720A CN107007344B CN 107007344 B CN107007344 B CN 107007344B CN 201710397720 A CN201710397720 A CN 201710397720A CN 107007344 B CN107007344 B CN 107007344B
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China
Prior art keywords
guide
plate
fixing
bottom plate
percutaneous
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CN201710397720.XA
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CN107007344A (en
Inventor
周凯华
陶星光
潘福根
李墨楚
张秀琴
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Shanghai Guangyunda Digital Medical Technology Co ltd
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Shanghai Guangyunda Digital Medical Technology Co ltd
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Publication of CN107007344A publication Critical patent/CN107007344A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/90Guides therefor

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to a percutaneous nail-placing guide plate. It includes: a base plate; at least two connecting rods are arranged on the bottom plate; the end, far away from the bottom plate, of each connecting rod is provided with a fixing assembly, and each fixing assembly is connected with the outer fixing support; the guiding component is arranged on the bottom plate, and a guiding hole is formed in the guiding component and used for penetrating through the Kirschner wire. The percutaneous nail placing guide plate provided by the invention is fixed on the outer fixing support through the connecting rod, the bottom plate can be placed on the skin outside the injured bone of the nail to be placed, the fixing component can effectively arrange the bottom plate on the outer fixing support to prevent the bottom plate from moving, the guide component is arranged on the bottom plate, the bottom plate can be placed on the outer surface of the skin corresponding to the injured bone of the nail to be placed, meanwhile, the specific position of the guide component is set as required, the structure can effectively reduce the injury of a C-arm machine to medical workers, and meanwhile, the time required by the operation can be shortened.

Description

Percutaneous nail-placing guide plate
Technical Field
The invention relates to the technical field of medical instruments, in particular to a percutaneous nail placing guide plate.
Background
Pelvic fractures are caused by high energy injuries, accounting for approximately 2% to 8% of total body fractures. Existing treatment methods include open surgery, minimally invasive skin treatment, and surgical treatment under computer-assisted navigation. Wherein, the open surgery has large wound, high surgery risk and longer surgery time, and the bleeding amount in the surgery is higher than other two types; the percutaneous minimally invasive treatment depends on an imaging device, and a C-arm machine is used for determining an operation scheme in a perspective mode in the operation; computer-assisted navigation requires intraoperative registration of navigation equipment and intraoperative instruments to obtain multi-angle display of a surgical site, which is convenient for accurate positioning. However, the above-described devices for treating pelvic fractures are relatively costly.
Therefore, how to provide a medical instrument can solve the defects that the cost of the instrument for treating pelvic fracture is high, the health of medical care personnel is influenced by repeated irradiation of a C-arm machine for a long time, the operation time is long and the like in the prior art, and is a technical problem to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to provide a percutaneous nail-placing guide plate which can solve the problems that in the prior art, an instrument for treating pelvic fracture is high in cost, and the health of medical care personnel is influenced and the operation time is long due to the fact that a C-arm machine is used for repeatedly irradiating for a long time.
In order to achieve the purpose, the invention adopts the following technical scheme:
there is provided a percutaneous nail placement guide comprising:
a base plate;
at least two connecting rods, wherein the connecting rods are arranged on the bottom plate;
the fixing component is arranged at one end of each connecting rod, which is far away from the bottom plate, and each fixing component is connected with an external fixing bracket arranged at the fracture position of the wounded;
the guiding component is arranged on the bottom plate, and a guiding hole is formed in the guiding component and used for penetrating through the Kirschner wire.
According to the percutaneous nail placing guide plate, the base plate can be arranged on the outer surface of the skin corresponding to the injured bone of the nail to be placed through the connecting rod fixed on the outer fixing support, the fixing assembly can effectively arrange the base plate on the outer fixing support to prevent the base plate from moving, the guide assembly is arranged on the base plate, the Kirschner wire can be inserted into the injured bone position of the injured person, meanwhile, the specific position of the guide assembly is set according to needs, the structure can effectively reduce the injury of a C-arm machine to medical workers, and meanwhile, the time required by an operation can be shortened.
Preferably, the guide assembly and the base plate are of a split structure, and the base plate is provided with a receiving hole capable of receiving the guide assembly substrate.
Preferably, the guide assembly includes a base plate, and a guide post disposed on the base plate, and the guide post is provided with a guide hole along an axial direction thereof.
The guide assembly is arranged to be of a split structure, and the bottom plate can be detached easily after use is completed.
Preferably, the receiving hole has the same shape as the substrate.
The structure can prevent the nail placing position caused by the generation of a large gap between the accommodating hole and the substrate or the abnormal installation from deviating, and prevent medical accidents.
Preferably, the fixing assembly comprises a fixing sheet, and the fixing sheet is of an arc-shaped sheet structure.
Preferably, the radius of the fixing piece is the same as the radius of the support rod of the outer fixing support.
The structure enables the percutaneous nail placing guide plate to be connected with the external fixing support more firmly, and the condition of position deviation or position looseness cannot occur in the using process.
Preferably, the fixing assembly further comprises a tightening assembly for wrapping the fixing sheet on the support rod of the external fixing support.
The purpose of setting up the subassembly that tightens up is in order to prevent the two to produce the junction and rock the influence operation effect on the outer fixed bolster with the stable fixed of connecting rod.
Preferably, the tightening assembly comprises a buckle arranged at one end of the fixing piece and a clamping hole arranged at the other end of the fixing piece, and the number of the clamping holes is not less than two.
Preferably, the number of the connecting rods is three.
The connecting rods are three in number, the connecting positions of the connecting rods are different, and therefore the three-point connecting structure can be guaranteed to be more stable.
Preferably, the guide assembly is positioned to conform to the fracture site.
Preferably, the bottom plate, the connecting rod, the guide assembly and the fixing assembly are all manufactured through 3D printing.
The guide plate is designed and manufactured by using a 3D printing technology, personalized design is carried out on different wounded persons, and the guide plate required by the wounded persons is manufactured in a rapid forming mode.
Drawings
FIG. 1 is a schematic structural view of a percutaneous nail guide plate provided by the present invention;
fig. 2 is a schematic structural view of the fixing assembly provided in fig. 1.
In the figure:
1. a base plate; 2. a connecting rod; 3. a substrate; 4. a guide post; 5. a guide hole; 6. a sheet is fixed.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
The embodiment provides a nail baffle is put to percutaneous, this nail baffle is put to percutaneous and the cooperation of outer fixed bolster, can directly penetrate the wounded with the ke shi needle and need put nail department, does not need other medical instrument to assist in the use, and the effectual required time of operation that has reduced reduces the wounded operation time. Before the percutaneous nail placing guide plate is used, the wounded person is required to be stably controlled through an external fixing support, and the percutaneous nail placing guide plate in the embodiment is used after a period of time.
As shown in fig. 1-2, the percutaneous staple guide plate comprises:
a base plate 1; the base plate is positioned above the affected part of the wounded and above the human body of the affected part of the wounded, but the base plate 1 is not in contact with the skin of the wounded, and the shape of the base plate 1 is not particularly limited in this embodiment, depending on the condition of the wounded;
at least two connecting rods 2, wherein the connecting rods 2 are fixedly arranged on the bottom plate 1; the connecting rod 2 is arranged to connect the bottom plate 1 with the external fixing bracket, so that the external fixing bracket can support the bottom plate 1 to provide reference for subsequent nail placement;
each connecting rod 2 is provided with a fixing component at one end far away from the bottom plate 1, and each fixing component is connected with an external fixing support; the connecting rod 2 is connected with the external fixing bracket through the fixing component, so that medical personnel can be saved to draw and adjust one person to hold the percutaneous nail placing guide plate and the external fixing bracket, and further, the number of personnel required by the operation can be reduced;
the guiding component is arranged on the bottom plate 1, and a guiding hole 5 is formed in the guiding component and used for penetrating through a Kirschner wire. The guide assembly is arranged on the bottom plate according to the specific fracture position of the wounded in the setting process, so that the specific setting condition of the guide assembly and the bottom plate 1 is obtained according to the specific fracture position of the wounded. The number of the guide assemblies is determined according to the injury condition of different wounded persons because the wounded persons need to put nails at different positions, and in the embodiment, the number of the guide assemblies is one, but not limited to one, and the specific positions of the guide assemblies are not particularly limited.
In this embodiment, the guide assembly and the base plate 1 are of a split structure, and the base plate 1 is provided with a receiving hole capable of receiving the substrate 3. The receiving hole has the same shape as the substrate 3.
The guide assembly comprises a base plate 3 and a guide post 4 arranged on the base plate 3, and a guide hole 5 is arranged along the axial direction of the guide post 4. Wherein the guide hole 5 is used for guiding the kirschner wire. Before the guide assembly is used, preoperative planning nail placement and fracture reduction simulation are required according to the fracture position of a wounded, the guide assembly can be arranged according to the position where the nail is required to be placed after the specific nail placement position is determined, it is required to be noted that the guide post 4 and the bottom plate 1 can be vertically arranged or obliquely arranged, and the specific arrangement condition is determined according to the nail placement position of the wounded.
With the split type setting of direction subassembly and bottom plate, can put the nail baffle all to demolish after the operation is accomplished, if direction subassembly and 1 bit of integral type structure of bottom plate, dismantle the in-process and can have the inconvenient problem of whole dismantlement, and demolish the direction subassembly earlier, demolish the bottom plate again and then can avoid appearing above-mentioned problem, the direction subassembly structure is small and exquisite and light simultaneously, dismantles more easily.
The fixing assembly in this embodiment comprises a fixing sheet 6, and the fixing sheet 6 is of an arc-shaped sheet structure. The diameter of the circle where the fixing sheet 6 is located is the same as that of the support rod of the outer fixing support. This kind of inject can be effectual make stationary blade 6 and the laminating of cradling piece, make the comparatively firm setting of stationary blade on the cradling piece. The fixing assembly further comprises a tightening assembly used for wrapping the fixing sheet 6 on the support rod of the outer fixing support. The tightening assembly comprises a buckle arranged at one end of the fixing plate 6 and a clamping hole arranged at the other end of the fixing plate 6, and the number of the clamping holes is not less than two.
Of course, in other embodiments, the tightening assembly may not be provided, and the fixing sheet and the support rod may be fixedly connected by using an adhesive tape in the process of connecting the fixing sheet and the support rod.
Other embodiments may also include a tightening assembly that is a clamp or other gripping structure.
In order to stabilize the connecting rods, the bottom plate is mounted on the outer fixing bracket, in this embodiment, the number of the connecting rods 2 is three.
Wherein bottom plate 1, connecting rod 2, direction subassembly, fixed subassembly all make through 3D printing. The 3D printing technology is used for designing the structure of the percutaneous nail placing guide plate in a personalized mode according to the injury conditions of different wounded persons, meanwhile, the structure of the percutaneous nail placing guide plate can be obtained quickly, and long waiting time is not needed. It should be noted that the position of the guide member is adapted to the fracture position, and the position of the guide member is set according to the fracture position, not arbitrarily.
When the percutaneous nail placing guide plate is used, the bottom plate 1 with the guide component needs to be fixed outside the body of a wounded through the fixing component, and the bottom plate corresponds to the fracture part of the wounded.
The percutaneous nail placing guide plate provided by the embodiment has the following beneficial effects:
1. the external percutaneous nail placement is carried out, the invasive operation and the operation navigation are not needed;
2. the guide plate design process comprises a nail placing scheme, planning is already done before an operation, the precision of the nail placing planning is ensured, the situation of repeatedly irradiating and confirming the nail placing by using a C-arm machine is reduced or even not required in the operation, the health of medical care personnel is protected, the operation time is shortened, and the bleeding amount is reduced;
3. the percutaneous nail placing guide plate consists of two parts and is simple to combine. On the premise of ensuring that the Kirschner wire instrument is left in the body, the guide assembly is withdrawn to reserve a space, so that the hollow screw instrument is installed and implanted along the direction of the Kirschner wire;
4. the guide plate is designed and manufactured by using a 3D printing technology, personalized design is carried out on different wounded persons, and the guide plate required by the wounded persons is manufactured in a rapid forming mode.
It is noted that the foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims (9)

1. A percutaneous nail guide plate, comprising:
the bottom plate (1) is positioned above the affected part of the wounded and above the human body of the affected part of the wounded, and the bottom plate (1) is not contacted with the skin of the wounded;
at least two connecting rods (2), wherein the connecting rods (2) are arranged on the bottom plate (1);
the end, far away from the bottom plate (1), of each connecting rod (2) is provided with a fixing component, and each fixing component is fixedly connected with an external fixing support arranged at the fracture position of the wounded;
at least one guide assembly, wherein the guide assembly is arranged on the bottom plate (1), and a guide hole (5) is formed in the guide assembly and used for allowing a kirschner wire to penetrate through the guide hole; the guide assembly and the base plate (1) are of a split structure, and a containing hole capable of containing the guide assembly substrate (3) is formed in the base plate (1).
2. The percutaneous nail guide according to claim 1, wherein the guide assembly comprises a base plate (3), a guide post (4) disposed on the base plate (3), the guide post (4) being provided with a guide hole (5) along an axial direction thereof.
3. A percutaneous staple-placing guide plate according to claim 2, wherein the receiving holes are the same shape as the base plate (3).
4. A percutaneous nail guide according to any one of claims 1 to 3, wherein the fixing assembly comprises a fixing plate (6), and the fixing plate (6) is an arc-shaped plate-shaped structure.
5. A percutaneous nail guide according to claim 4, wherein the radius of the fixing plate (6) is the same as the radius of the stent rod of the external fixation stent.
6. The percutaneous nail guide according to claim 5, wherein the fixing assembly further comprises a tightening assembly for wrapping the fixing sheet (6) on the stent rod of the external fixing stent.
7. The percutaneous nail guide according to claim 6, wherein the tightening assembly comprises a buckle arranged at one end of the fixing plate (6) and at least two clamping holes arranged at the other end of the fixing plate (6).
8. The percutaneous pin placement guide of claim 1, wherein the guide assembly position is compatible with a fracture site.
9. The percutaneous nail guide plate according to claim 1, wherein the bottom plate (1), the connecting rod (2), the guide component and the fixing component are all made by 3D printing.
CN201710397720.XA 2017-05-31 2017-05-31 Percutaneous nail-placing guide plate Active CN107007344B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN107007344B true CN107007344B (en) 2020-09-01

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CN108542491A (en) * 2018-06-25 2018-09-18 北京大学深圳医院 Scaphoid bone percutaneously sets nail art 3D positioning devices and preparation method thereof
CN108888330B (en) * 2018-07-24 2024-02-13 华中科技大学同济医学院附属协和医院 A combination guide plate and its precise positioning method

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