CN109512495A - External fixator for orthopedics dep steel needle - Google Patents
External fixator for orthopedics dep steel needle Download PDFInfo
- Publication number
- CN109512495A CN109512495A CN201811336886.1A CN201811336886A CN109512495A CN 109512495 A CN109512495 A CN 109512495A CN 201811336886 A CN201811336886 A CN 201811336886A CN 109512495 A CN109512495 A CN 109512495A
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- China
- Prior art keywords
- cylindroid
- connecting column
- steel needle
- air bag
- rotating bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/844—Fasteners therefor or fasteners being internal fixation devices with expandable anchors or anchors having movable parts
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (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)
- Neurology (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses external fixator for orthopedics dep steel needles, including bone nail, cylindroid, groove, air cushion, connecting column, air bag, compression bar, kidney slot, rotating bar.The external fixator for orthopedics dep steel needle, clever structure, it is powerful, it is easy to operate, by using the device, the percutaneous soft tissue portion of patient can in the future grown into groove, it prevents skin from growing downwards and forms pouch, so as to which the probability of steel needle loosening and pin site infection is effectively reduced, the therapeutic effect of patient is not only ensured, the rehabilitation progress of patient is also ensured.
Description
Technical field
The present invention relates to medical instruments field more particularly to external fixator for orthopedics dep steel needles.
Background technique
Steel needle is one of necessary medical instruments in external fixator for orthopedics dep, currently, traditional steel needle structure is single, surface light
Sliding, steel needle during use, can not form good biological sealing with the percutaneous soft tissue portion of patient, such as nurse not
In week, the skin for easily leading to patient, which is grown downwards, forms pouch, loosens and the probability of pin site infection to increase steel needle, not only shadow
The therapeutic effect for having rung patient also affects the rehabilitation progress of patient, and in view of disadvantages described above, it is really necessary to external fixator for orthopedics dep
Steel needle part carries out innovative design.
Summary of the invention
Technical problem to be solved by the present invention lies in: external fixator for orthopedics dep steel needle is provided, is proposed to solve background technique
The problem of.
In order to solve the above technical problems, the technical scheme is that external fixator for orthopedics dep steel needle, including bone nail, ellipse
Column, groove, air cushion, connecting column, air bag, compression bar, kidney slot, rotating bar, the cylindroid are located at the top of bone nail, and described is ellipse
Cylinder is integrally connected with bone nail, and the groove number is several, and the groove is successively uniformly surrounded on ellipse from top to bottom
Cylindrical inside, the groove are integrally connected with cylindroid, and the air cushion is surrounded on trench interiors, the air cushion and groove
Glue is connected, and the connecting column is located at the top of cylindroid, and the connecting column is integrally connected with cylindroid, the air bag position
The left and right sides, the air bag bottom are connected with cylindroid glue inside cylindroid, and the compression bar is located at the top of air bag, institute
The compression bar stated is connected with air bag glue, and the compression bar runs through connecting column, and the compression bar is connected with connecting column sliding, described
Kidney slot be located inside cylindroid and connecting column, the kidney slot is integrally connected with cylindroid and connecting column respectively,
The rotating bar is located inside kidney slot, and the rotating bar is movably connected with kidney slot.
Further, the left and right sides is additionally provided with first row stomata inside the air bag, connecting column and cylindroid, described
First row stomata is integrally connected with air bag, connecting column and cylindroid respectively.
Further, the left and right sides is also equipped with several second row stomatas, the second row inside the cylindroid
Stomata is integrally connected with cylindroid.
Further, the inside air bag is additionally provided with spring, and the spring is connected with air bag glue.
Further, threaded hole, the threaded hole and connecting column are additionally provided at left and right sides of the connecting column inner tip
It is integrally connected.
Further, bolt, the bolt and rotating bar screw thread phase have been also extended through at left and right sides of the rotating bar upper end
Even.
Further, it is additionally provided with ejector pin at left and right sides of the rotating bar upper end, the ejector pin is connected with rotating bar screw thread.
Compared with prior art, external fixator for orthopedics dep, including steel needle, connecting rod and fixing clamp three parts.This patent emphasis
In the innovative design of steel needle, by bone nail (part of fixed function being screwed into sclerotin), cylindroid (i.e. in conjunction with skin soft tissue
Part) and connecting column (part assembled with connecting rod and fixing clamp) three parts form.In use, operative doctor will first turn
Lever is inserted into steel needle, and lower end of rotating bar is inserted into kidney slot with this, by rotating clockwise rotating bar, so that turning
Lever is screwed into the proximal part and distal end at patients with fractures position by kidney slot drive needle respectively, so that steel needle is fixed on bone
On bone.When rotating bar is inserted into kidney slot, the ejector pin in rotating bar is pressed down against power to compression bar application simultaneously, pushes in air bag
Gas is discharged into second row stomata by first row stomata, then is discharged into air cushion by second row stomata, allows air cushion to expand with this, passes through gas
Pad expansion (is located on cylindroid) ditch internal pore to occupy groove, shearing of the groove to skin soft tissue when preventing from rotating steel needle.
When steel needle is fixed on sclerotin, the cylindroid of steel needle is in contact with the skin soft tissue of patient；Cylindroid cross section is ellipse
Shape, long axis is consistent with the diameter of bone nail and connecting column, and minor axis length is less than the diameter of bone nail and connecting column, to reduce skin
Notch both ends tension.By cylindroid metal surface trench design, so that percutaneous soft tissue portion can be grown into groove in the future, prevent
Only skin, which is grown downwards, forms pouch, so that infection rate be effectively reduced.At this point, connecting column is exposed to the external world, operative doctor makes again
It is connected with routine clinical connecting rod and fixing clamp with connecting column, it is final to realize to patient to be completed external fixing rack
Fracture site is fixed temporarily.After being completed, rotating bar is transferred to from steel needle, at this time air sac pressing power release, air bag and
Air cushion can be resetted rapidly by recoil of spring effect, so that soft tissue is grown into ditch.In addition, removal rotating bar can also shorten indwelling
Steel needle length with patient mitigates weight, wears the clothes convenient for patient and limb activity.When use finishes dismounting external fixing rack
When, first by routine clinical connecting rod and fixing clamp with connect post separation, then take steel needle part.The step of taking steel needle is as follows:
For operative doctor first by the lower end insertion kidney slot of rotating bar, pushing down on compression bar and air bag by ejector pin makes gas in groove
Pad is inflated again, so that the skin soft tissue grown into groove be squeezed out.Bolt is connected by medical staff with threaded hole again, i.e.,
Compression bar is allowed to be fixed the extruding force of air bag.Medical staff is counterclockwise rotary motion bar allows rotating bar together with steel needle from trouble with this
The therapentic part of person takes out.The steel needle cross section is ellipse, and the air cushion is silica gel material, spring be in order to
Allow air bag and air cushion Rapid reset.The external fixator for orthopedics dep steel needle, clever structure is powerful, easy to operate, by using this
Device, can by patient, percutaneous soft tissue portion is grown into groove in the future, prevent skin from growing downwards and form pouch, to effectively drop
Low steel needle loosens and pin site infection rate, not only ensures the therapeutic effect of patient, also ensures the rehabilitation progress of patient.
Detailed description of the invention
Fig. 1 is the main view of external fixator for orthopedics dep steel needle；
Fig. 2 is the internal view of cylindroid and connecting column；
Fig. 3 is cylindroid inside top cross-sectional view；
Fig. 4 is the bottom view of rotating bar.
Bone nail 1, cylindroid 2, groove 3, air cushion 4, connecting column 5, air bag 6, compression bar 7, kidney slot 8, rotating bar 9, second row
Stomata 201, threaded hole 501, first row stomata 601, spring 602, bolt 901, ejector pin 902.
The following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Hereinafter, a variety of specific details are elaborated, in order to provide to the saturating of the concept for constituting described embodiment basis
Thorough understanding.However, it will be apparent to those skilled in the art that described embodiment can be in these no specific details
In some or all situations get off practice.In other cases, well-known processing step is not specifically described.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, external fixator for orthopedics dep steel needle, including bone nail 1, cylindroid 2, groove 3, air cushion 4,
Connecting column 5, air bag 6, compression bar 7, kidney slot 8, rotating bar 9, the cylindroid 2 are located at 1 top of bone nail, the cylindroid 2
It is integrally connected with bone nail 1,3 quantity of groove is several, and the groove 3 is successively uniformly surrounded on ellipse from top to bottom
Inside column 2, the groove 3 is integrally connected with cylindroid 2, and the air cushion 4 is surrounded on inside groove 3, the air cushion 4 with
3 glue of groove is connected, and the connecting column 5 is located at 2 top of cylindroid, and the connecting column 5 is integrally connected with cylindroid 2, institute
The air bag 6 stated is located at the 2 inside left and right sides of cylindroid, and 6 bottom of air bag is connected with 2 glue of cylindroid, the compression bar 7
Positioned at 6 top of air bag, the compression bar 7 is connected with 6 glue of air bag, and the compression bar 7 runs through connecting column 5, the compression bar 7
With connecting column 5 sliding be connected, the kidney slot 8 is located inside cylindroid 2 and connecting column 5, the kidney slot 8 respectively with
Cylindroid 2 and connecting column 5 are integrally connected, and the rotating bar 9 is located inside kidney slot 8, the rotating bar 9 and kidney slot
8 are movably connected, and the air bag 6, connecting column 5 and the 2 inside left and right sides of cylindroid are additionally provided with first row stomata 601, described
First row stomata 601 be integrally connected respectively with air bag 6, connecting column 5 and cylindroid 2, inside the cylindroid 2 left and right two
Side is also equipped with several second row stomatas 201, and the second row stomata 201 is integrally connected with cylindroid 2, the air bag
Spring 602 is additionally provided with inside 6, the spring 602 is connected with 6 glue of air bag, at left and right sides of 5 inner tip of connecting column
It is additionally provided with threaded hole 501, the threaded hole 501 is integrally connected with connecting column 5, at left and right sides of 9 upper end of rotating bar also
Through there is bolt 901, the bolt 901 is connected with 9 screw thread of rotating bar, is additionally provided at left and right sides of 9 upper end of rotating bar
Ejector pin 902, the ejector pin 902 are connected with 9 screw thread of rotating bar.
External fixator for orthopedics dep, including steel needle, connecting rod and fixing clamp three parts.This patent is set with emphasis on the innovation of steel needle
Meter by bone nail 1 (part of fixed function being screwed into sclerotin), cylindroid 2 (part i.e. in conjunction with skin soft tissue) and connects
Column 5 (part assembled with connecting rod and fixing clamp) three parts are connect to form.In use, rotating bar 9 is first inserted by operative doctor
In steel needle, lower end of rotating bar 9 is inserted into kidney slot 8 with this, by rotating clockwise rotating bar 9, so that rotating bar 9
The proximal part and distal end at patients with fractures position are screwed into respectively by 8 drive needle of kidney slot, so that steel needle is fixed on bone
On.When rotating bar 9 is inserted into kidney slot 8, the ejector pin 902 in rotating bar 9 is pressed down against power to the application of compression bar 7 simultaneously, pushes gas
Gas in capsule 6 is discharged into second row stomata 201 by first row stomata 601, then is discharged into air cushion 4 by second row stomata 201, with this
It allows air cushion 4 to expand, is expanded by air cushion 4 to occupy groove 3 and (be located on cylindroid) ditch internal pore, groove when preventing from rotating steel needle
The shearing of 3 pairs of skin soft tissues.When steel needle is fixed on sclerotin, the cylindroid 2 of steel needle connects with the skin soft tissue of patient
Touching；2 cross section of cylindroid be ellipse, long axis is consistent with the diameter of bone nail 1 and connecting column 5, minor axis length less than bone nail 1 with
And the diameter of connecting column 5, by 2 metal surface trench design of cylindroid, so that percutaneous soft tissue portion can grow into groove in the future
It is interior, it prevents skin from growing downwards and forms pouch, so that infection rate be effectively reduced.At this point, connecting column 5 is exposed to the external world, operation doctor
Life reuses routine clinical connecting rod and fixing clamp and is connected with connecting column 5, final to realize to be completed external fixing rack
Patients with fractures position is fixed temporarily.After being completed, rotating bar 9 is transferred to from steel needle, at this time 6 extruding force solution of air bag
It removes, air bag 6 and air cushion 4 can be resetted rapidly by 602 rebound effect of spring, so that soft tissue is grown into ditch.In addition, removal rotation
Bar 9 can also shorten the steel needle length being retained in patient, mitigate weight, wear the clothes convenient for patient and limb activity.When having used
When finishing dismounting external fixing rack, first routine clinical connecting rod and fixing clamp are separated with connecting column 5, then take steel needle part.It takes
The step of steel needle is as follows: operative doctor first by the lower end insertion kidney slot 8 of rotating bar 9, is pushed down on by ejector pin 902
Compression bar 7 and air bag 6 inflate air cushion 4 in groove 3 again, so that the skin soft tissue grown into groove 3 be squeezed out.Medical staff
Bolt 901 is connected with threaded hole 501 again, that is, compression bar 7 is allowed to be fixed the extruding force of air bag 6.Medical staff is revolved counterclockwise
Lever of walking around 9 allows rotating bar 9 to take out together with steel needle from the therapentic part of patient with this.9 cross section of steel needle is ellipse
Circle, the air cushion 4 are silica gel material, and spring 602 is to allow 4 Rapid reset of air bag 6 and air cushion.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the present invention can have various changes, combination and variation.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (7)
1. external fixator for orthopedics dep steel needle, it is characterised in that including bone nail, cylindroid, groove, air cushion, connecting column, air bag, compression bar,
Kidney slot, rotating bar, the cylindroid are located at the top of bone nail, and the cylindroid is integrally connected with bone nail, the groove
Quantity is several, and the groove is successively uniformly surrounded on inside cylindroid from top to bottom, the groove and cylindroid one
Body is connected, and the air cushion is surrounded on groove septal fossula bottom, and the air cushion is connected with groove glue, and the connecting column is located at
At the top of cylindroid, the connecting column is integrally connected with cylindroid, and the air bag is located at the left and right sides inside cylindroid, described
Air bag bottom be connected with cylindroid glue, the compression bar is located at the top of air bag, and the compression bar is connected with air bag glue, and
The compression bar runs through connecting column, and the compression bar is connected with connecting column sliding, and the kidney slot is located at cylindroid and company
It connects inside column, the kidney slot is integrally connected with cylindroid and connecting column respectively, and the rotating bar is located in kidney slot
Portion, the rotating bar are movably connected with kidney slot.
2. external fixator for orthopedics dep steel needle as described in claim 1, it is characterised in that air bag, connecting column and the cylindroid
The internal left and right sides is additionally provided with first row stomata, and the first row stomata is integrated with air bag, connecting column and cylindroid respectively
It is connected.
3. external fixator for orthopedics dep steel needle as claimed in claim 2, it is characterised in that the left and right sides is gone back inside the cylindroid
Several second row stomatas are equipped with, the second row stomata is integrally connected with cylindroid.
4. external fixator for orthopedics dep steel needle as claimed in claim 3, it is characterised in that the inside air bag is additionally provided with spring, institute
The spring stated is connected with air bag glue.
5. external fixator for orthopedics dep steel needle as claimed in claim 4, it is characterised in that described connecting column inner tip or so two
Side is additionally provided with threaded hole, and the threaded hole is integrally connected with connecting column.
6. external fixator for orthopedics dep steel needle as claimed in claim 5, it is characterised in that at left and right sides of the rotating bar upper end also
Through there is bolt, the bolt is connected with rotating bar screw thread.
7. external fixator for orthopedics dep steel needle as claimed in claim 6, it is characterised in that at left and right sides of the rotating bar upper end also
Equipped with ejector pin, the ejector pin is connected with rotating bar screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336886.1A CN109512495B (en) | 2018-11-12 | 2018-11-12 | Steel needle for external fixing frame of orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336886.1A CN109512495B (en) | 2018-11-12 | 2018-11-12 | Steel needle for external fixing frame of orthopedics department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109512495A true CN109512495A (en) | 2019-03-26 |
| CN109512495B CN109512495B (en) | 2021-03-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811336886.1A Active CN109512495B (en) | 2018-11-12 | 2018-11-12 | Steel needle for external fixing frame of orthopedics department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109512495B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443270A (en) * | 2021-05-13 | 2021-09-28 | 冯静 | Liquid crystal display screen |
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|---|---|---|---|---|
| US20070260248A1 (en) * | 2001-10-18 | 2007-11-08 | Fxdevices, Llc | Cannulated bone screw system and method |
| CN104257420A (en) * | 2014-09-30 | 2015-01-07 | 中国人民解放军第四军医大学 | Spinal operation assisting device |
| CN204410934U (en) * | 2014-12-30 | 2015-06-24 | 吴鼎 | A kind of angiographic neeclle with resorption function |
| CN106344142A (en) * | 2016-08-23 | 2017-01-25 | 郝立波 | Expandable bone nail convenient to remove and having fastness convenient to adjust |
| CN205913387U (en) * | 2016-06-13 | 2017-02-01 | 浙江大学城市学院 | Locking bone screw |
| US20180263669A1 (en) * | 2016-02-26 | 2018-09-20 | Activortho, Inc. | Active Compression Apparatus, Methods Of Assembly And Methods Of Use |
| CN207940923U (en) * | 2017-07-04 | 2018-10-09 | 上海市第六人民医院 | A kind of fixing bracket draw point component |
-
2018
- 2018-11-12 CN CN201811336886.1A patent/CN109512495B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070260248A1 (en) * | 2001-10-18 | 2007-11-08 | Fxdevices, Llc | Cannulated bone screw system and method |
| CN104257420A (en) * | 2014-09-30 | 2015-01-07 | 中国人民解放军第四军医大学 | Spinal operation assisting device |
| CN204410934U (en) * | 2014-12-30 | 2015-06-24 | 吴鼎 | A kind of angiographic neeclle with resorption function |
| US20180263669A1 (en) * | 2016-02-26 | 2018-09-20 | Activortho, Inc. | Active Compression Apparatus, Methods Of Assembly And Methods Of Use |
| CN205913387U (en) * | 2016-06-13 | 2017-02-01 | 浙江大学城市学院 | Locking bone screw |
| CN106344142A (en) * | 2016-08-23 | 2017-01-25 | 郝立波 | Expandable bone nail convenient to remove and having fastness convenient to adjust |
| CN207940923U (en) * | 2017-07-04 | 2018-10-09 | 上海市第六人民医院 | A kind of fixing bracket draw point component |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443270A (en) * | 2021-05-13 | 2021-09-28 | 冯静 | Liquid crystal display screen |
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| Publication number | Publication date |
|---|---|
| CN109512495B (en) | 2021-03-05 |
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