CN116889456A - Intensive portable external fixing frame for bone trauma - Google Patents
Intensive portable external fixing frame for bone trauma Download PDFInfo
- Publication number
- CN116889456A CN116889456A CN202311035281.XA CN202311035281A CN116889456A CN 116889456 A CN116889456 A CN 116889456A CN 202311035281 A CN202311035281 A CN 202311035281A CN 116889456 A CN116889456 A CN 116889456A
- Authority
- CN
- China
- Prior art keywords
- universal
- rod
- locking device
- connecting rod
- connecting rods
- 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.)
- Pending
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 38
- 208000014674 injury Diseases 0.000 title claims abstract description 31
- 230000008733 trauma Effects 0.000 title claims abstract description 31
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 11
- 239000004917 carbon fiber Substances 0.000 claims description 11
- 210000003414 extremity Anatomy 0.000 abstract description 8
- 210000003423 ankle Anatomy 0.000 abstract description 3
- 210000003275 diaphysis Anatomy 0.000 abstract description 3
- 210000004197 pelvis Anatomy 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 238000013016 damping Methods 0.000 description 6
- 206010052428 Wound Diseases 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000008960 Diabetic foot Diseases 0.000 description 1
- 206010031252 Osteomyelitis Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 206010047115 Vasculitis Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 208000029028 brain injury Diseases 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 208000037922 refractory disease Diseases 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000017423 tissue regeneration Effects 0.000 description 1
Classifications
-
- 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
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/04—Constructional details of apparatus
- A61B2560/0431—Portable apparatus, e.g. comprising a handle or case
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an intensive portable external fixing frame for bone trauma, which comprises telescopic connecting rods, universal joints and universal nail locking devices, wherein adjacent telescopic connecting rods are detachably connected through the universal joints, the universal nail locking devices are movably connected to the telescopic connecting rods, the universal nail locking devices are used for locking Kirschner wires driven into bones, and the universal nail locking devices can slide on the telescopic connecting rods and rotate in directions. On the basis of simple structure, the invention realizes the instant adjustment of the connecting rod according to the length requirement through the telescopic connecting rod; under the condition of a plurality of connecting rods, the structure of the external fixing frame is adjusted according to the emergency requirement through the universal joint, so that the cross-joint fixation is realized; the universal single-arm bracket and the universal nail locker which are formed by a few components can be deformed into a multifunctional external fixator which can be used for fracture of most parts such as pelvis, limb long diaphysis, metaphyseal, ankle and the like, thereby solving the defects of complex and heavy existing equipment and limited applicable scene.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to an intensive portable external fixing frame for bone trauma.
Background
The external bone fixing frame is a medical apparatus with wide clinical application, and is used for curing trauma patients in various scenes such as battlefield, disaster area, emergency treatment, accident scene, etc. the working principle is that the external bone fixing frame is used for connecting the bone nails/needles which partially penetrate into the internal bone to fix fracture and correct deformity. As a surgical treatment means with wide application range and obvious effect, the external fixation technology has the unique advantages of: the secondary wound on the patient in the treatment process is small, the blood circulation is not disturbed, the bone infection is not caused, the deformity can be corrected through gradual adjustment or the tissue regeneration is promoted, and the internal fixation is not required to be removed through secondary operation. Not only is the gold standard for severely opening and infecting fracture, but also opens up a brand new way for treating multidisciplinary refractory diseases such as diabetic foot, obliterative vasculitis, cerebral apoplexy, brain injury and the like.
In the research and development of external fixing frames, the main structure of the external fixing frame comprises a fixed clamp and a connecting rod, and a plurality of external fixing frames applied to the market can be selected in clinical work at present. The fixing clamp is mainly used for fixing an inner implant (such as a Kirschner wire and the like) and the connecting rod, the connecting rod is mainly used for connecting a wound part, the stability of limbs is ensured, and on the basis, corresponding nuts, wrenches, connectors and other devices are provided; or selecting proper connecting rod shape (such as supporting rod, bent rod, annular rod, etc.) according to clinical requirement. However, in the field of development, the following problems still remain:
1. the external fixing frame fittings with different types are numerous and not universal, a large number of parts are needed to be used for meeting the requirements of treating different parts and different types of fracture, more parts are needed after the use, the parts are needed to be replenished one by one according to consumption, and the great challenges are brought to the fund, the inventory and the like of the stock preparation of hospitals and distributors, and meanwhile, serious social resources and medical resource waste are also caused.
2. The various external fixing devices also cause the difficulty of doctors in use, and new time and energy are needed to be input for different fixing frames to learn, and the learning curve is long. For emergency, even disaster relief, war time and other occasions needing immediate use, not only is the storage difficult to plan and execute, but also the storage is difficult to pre-disinfect to adapt to the needs.
3. The external bone fixator is still rarely applied to the field of wounds, especially field rescue, and the controlled fixation of the limbs of the trauma patient in the field still adopts the existing extremely traditional binding fixation mode, and lacks instruments suitable for the field rescue environment of the field, the war time and the like.
Therefore, there is a need for a portable external fixation frame for bone trauma, which can solve the above problems and is suitable for most fracture fixation scenes in emergency treatment, disaster relief, and rescue at war time.
Disclosure of Invention
The invention aims to provide an intensive portable external fixing frame for bone trauma, which solves the problems in the prior art, is light and portable, can adjust the fixing angle and direction according to the needs of patients, and is suitable for most fracture fixing scenes.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides an intensive portable external bone trauma fixing frame which comprises connecting rods, universal joints and universal nail locking devices, wherein adjacent connecting rods are detachably connected through the universal joints, the universal nail locking devices are movably connected to the connecting rods, the universal nail locking devices are used for locking Kirschner wires driven into bones, and the universal nail locking devices can slide on the connecting rods and rotate in directions.
Preferably, the universal joint comprises a first connecting piece and a second connecting piece which are hinged through bolts, and the other ends of the first connecting piece and the second connecting piece are respectively hinged with connecting lugs on the connecting rod through bolts.
Preferably, the bolt is an inner hexagon bolt.
Preferably, the connecting rod is a telescopic connecting rod, the telescopic connecting rod comprises an inner rod and an outer rod, the inner rod is sleeved in the outer rod, a locking bolt is arranged at the inner end of the outer rod, and the inner end of the locking bolt can be abutted to the outer surface of the inner rod.
Preferably, scale marks are arranged on the connecting rod, and the length of the connecting rod is at least 10cm.
Preferably, the universal nail locking device comprises a sliding sleeve, an adjusting rod and a nail locking device, wherein the sliding sleeve is arranged on the connecting rod in a sliding sleeve mode, a waist-shaped sliding groove is formed in the adjusting rod, the sliding sleeve is movably connected with the waist-shaped sliding groove through a bolt, the nail locking device is connected with the end portion of the adjusting rod through a bolt, and the nail locking device is used for fixing the Kirschner wire.
Preferably, the length of the waist-shaped chute is 1cm-5cm.
Preferably, the nail locking device comprises two clamping blocks connected through bolts, wherein one clamping block is connected with the end part of the adjusting rod, and the two clamping blocks can be spliced to form at least one through hole for fixing the Kirschner wire.
Preferably, the materials of the connecting rod, the universal joint and the universal staple locking device comprise carbon fiber.
Compared with the prior art, the invention has the following technical effects:
on the basis of simple structure, the invention can select connecting rods with different lengths according to the requirements of different lengths; under the condition of a plurality of connecting rods, the structure of the external fixing frame is adjusted according to the emergency requirement through the universal joint, so that the cross-joint fixation is realized; the multifunctional external fixator for fracture of most parts such as pelvis, limb diaphysis, metaphyseal, ankle and the like can be deformed by using a single-arm bracket similar to a nunchakus and a universal nail locker which is attached to the single-arm bracket and can deviate from a bracket locking screw, and thus the defects of complex and heavy existing equipment and limited applicable scenes are overcome.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an intensive portable external fixator for bone trauma according to an embodiment of the present invention;
FIG. 2 is a schematic view showing a partial structure of an intensive portable external fixator for bone trauma according to an embodiment of the present invention;
FIG. 3 is a schematic view of the use of the intensive portable bone trauma external fixator according to an embodiment of the invention;
FIG. 4 is a schematic view of an embodiment of the present invention for use with an intensive portable bone trauma external fixator;
FIG. 5 is a second view of the use of an intensive portable bone trauma external fixator according to an embodiment of the invention;
wherein: the external fixing frame comprises a first connecting piece, a second connecting piece, a 3-inner rod, a 4-outer rod, a 5-sliding sleeve, a 6-adjusting rod, a 7-waist-shaped sliding groove, 8-scale marks, 9-clamp blocks, 10-Kirschner wires, 11-bolts, 12-locking bolts, 13-connecting rods and 100-intensive portable bone trauma external fixing frames.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the invention without any inventive effort, are intended to fall within the scope of the invention.
The invention aims to provide an intensive portable external fixing frame for bone trauma, which solves the problems in the prior art, is light and portable, can adjust the fixing angle and direction according to the needs of patients, and is suitable for most fracture fixing scenes.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 5: the embodiment provides an intensive portable external fixation frame for bone trauma, which comprises connecting rods 13, universal joints and universal nail locking devices, wherein adjacent connecting rods 13 are detachably connected through the universal joints, the universal nail locking devices are movably connected to the connecting rods 13, the universal nail locking devices are used for locking Kirschner wires 10 driven into bones, and the universal nail locking devices can slide on the connecting rods 13 and rotate in directions. The number of the connecting rods 13 in the embodiment may be at least two, the lengths of the connecting rods 13 may be different according to the use requirement (as shown in fig. 1), and a plurality of connecting rods 13 may need to be bent to a required angle in the case of joint-crossing fixation and the like; the number of the universal nail locking devices can be one or a plurality of the connecting rods 13 according to the requirement. The components of the embodiment are few and delicate, and can be invariably strained; the distribution is convenient, the volume is small, the device is not scattered, the disassembly and assembly of the apparatus are convenient, the functions of parts are definite, the problem of 'multiple distribution waste and missing distribution error' of the assembly is avoided, and the overlong learning curve is avoided; the rescue plan is clear for long time and large depth of the combat (disaster).
Specifically, in this embodiment, the universal joint includes through articulated first connecting piece 1 of bolt 11 and second connecting piece 2, the other end of first connecting piece 1 and second connecting piece 2 is articulated through the engaging lug on bolt 11 and the connecting rod 13 respectively, be convenient for adjust between two connecting pieces, the angle between connecting piece and the connecting rod 13, accessible bolt 11 locks after the adjustment, easy operation is convenient, under the condition that need use many connecting rods 13 such as striding joint fixing, need not to wear the needle in advance through the joint rotation axis, can adjust the contained angle between the connecting rod 13 according to field operations first aid demand.
As the preferred scheme, connecting rod 13 is telescopic connecting rod in this embodiment, and telescopic connecting rod includes interior pole 3 and outer pole 4, and interior pole 3 cover is located in the outer pole 4, and the interior end of outer pole 4 is provided with a locking bolt 12, and the inner of locking bolt 12 can be inconsistent with the surface of interior pole, can realize adjusting in time according to the length demand. The scale marks 8 are arranged on the connecting rod 13, so that the total length and the telescopic length of the telescopic rod can be adjusted conveniently, and the length of the connecting rod 13 is at least 10cm.
As a preferred scheme, the bolts 11 used in the embodiment are all hexagon socket head cap bolts with the same size, can be used universally as much as possible, can be rapidly put into use under the condition of emergency in field war, and compared with the design of the existing multi-product bolts, the universal fixation can be realized by designing all screw structures as concave hexagon screws with uniform sizes, and the universal fixation can be realized by only one matched mounting instrument, so that the universal fixation device has good adaptability, is convenient to use the same tool for disassembly and installation, and improves the working efficiency; on the basis of the simplest structure, the effective fixation of the affected limb is realized, and the instant adjustment according to the length requirement is realized through a telescopic structure; the bolt 11 is used for locking and limiting with the waist-shaped chute 7, the nail locker and the like after the angle and the direction of adjustment are proper.
As the preferred scheme, universal lock nail ware in this embodiment includes sliding sleeve 5, adjusts pole 6 and lock nail ware, and sliding sleeve 5 slip cap locates on connecting rod 13, and the surface of connecting rod 13 or telescopic connecting rod is the non-smooth face, adjusts sliding sleeve 5 to suitable length back during the use, and sliding sleeve 5 just can fix a position by oneself because of frictional resistance. Be provided with a waist-shaped spout 7 on adjusting pole 6, sliding sleeve 5 passes through bolt 11 and waist-shaped spout 7 swing joint, and the length of use and the corner direction of adjusting pole 6 of being convenient for are adjusted, and the nail ware passes through bolt 11 to be connected in the tip of adjusting pole 6, and the direction of the nail ware centre gripping kirschner wire 10 of being convenient for is adjusted to the nail ware, and the nail ware is used for fixed kirschner wire 10. The length of the waist-shaped chute 7 is 1cm-5cm, and the waist-shaped chute is suitable for fixing a complex structure. The universal nail locker of the embodiment can deviate from the direction of the connecting rod 13 through the connection relation of sliding and hinging, and on the basis, the angle and the direction can be adjusted according to the bone fixing requirement of a patient by combining the design of the damping sliding rail. The nail locker comprises two clamping blocks 9 connected through bolts 11, wherein one clamping block 9 is connected with the end part of the adjusting rod 6, and the two clamping blocks 9 can be spliced to form at least one through hole for fixing the Kirschner wire 10. In the embodiment, the design of the sliding positioning mechanism similar to a utility knife can be adopted for positioning the adjusting rod 6 and the bolt, racks are arranged on two sides of the chute to form a rack slideway, saw teeth capable of being meshed with two sides of the rack slideway are arranged below the slide button, when the slide button is pressed down, the rack slideway and the saw teeth are separated in an up-down dislocation manner, and at the moment, the slide button can move on the slideway to adjust the position; after the adjustment is finished, the saw teeth of the slide button are meshed with the saw teeth on the slide way by themselves, the slide button is provided with a positioning bolt, after the positioning bolt is screwed up, the positioning bolt is abutted against the bottom of the slide groove, and the slide button cannot be pressed down, so that the positioning is realized, the positioning bolt is taken down when the position needs to be adjusted again, more excellent operability is realized in the adjustment process, the impact force between structures is slowed down, better handfeel is realized, and the operation of doctors is facilitated; in addition, the structure of damping slide rail is more pleasing to the eye, and to the less wound of scope, can only use staple holder and kirschner wire 10 to fix, further reduce weight and volume, reducible patient's in-process of treatment discomfort. The bolts 11 used in the present embodiment are all hexagon socket head cap bolts 11 of the same size.
Preferably, the materials of the connecting rod 13, the universal joint and the universal locking device in the embodiment comprise carbon fiber. The embodiment can realize light portability while ensuring the firmness of the external fixing frame by means of the characteristics of low density and high strength of carbon fiber materials, and can adapt to various operation scenes, thereby solving the problem of heavy existing equipment. Carbon fiber is a very high-quality material, the functions and the characteristics of the carbon fiber are applicable to various disciplines, and with the continuous development of materialology and clinical medicine and the gradual and compact combination of doctors and workers, the carbon fiber has unique positions in the research and the development of medical instruments: the specific gravity is light, the density of the carbon fiber is 1/4 of that of steel, and is 1/2 of that of aluminum alloy; the strength is high, the tensile strength is more than 3500MPa, and the specific strength is 10 times of that of steel; the modulus is high, and the elastic modulus is more than 230 GPa. The characteristics ensure that the medical instrument made of the carbon fiber material has enough strength to be used for a long time, and simultaneously ensure that the instrument is light and portable enough, thereby greatly reducing the working strength of clinical workers. Secondly, the carbon fiber has very good tolerance to high temperature or low temperature, and is acid-resistant, wear-resistant and corrosion-resistant, and the characteristics ensure that the carbon fiber can resist high temperature sterilization and normal use under extreme environments.
The intensive portable external fixing frame for bone trauma of the embodiment is mainly aimed at a patient needing external fixation treatment on the trauma, after the position of a Kirschner wire 10 is determined, the Kirschner wire 10 is driven in, then a universal nail locker is adjusted to accord with the position of the Kirschner wire 10, then the Kirschner wire 10 is connected with the universal nail locker and is fixed by using a locking screw, the limb of the patient is placed to a target position, the specific external fixing mode is determined according to the trauma condition of the patient, and the main use scene comprises: for patients with smaller trauma range, one nail locker or a plurality of nail lockers can be directly used for combined locking; for patients with smaller trauma range but longer distance between the two Kirschner wires 10, a damping slide rail is arranged on the universal nail locker, and is adjusted to a proper position, and then screw locking is carried out; for a patient needing to be fixed across joints, adjusting the universal joint to connect the support rod and then adjusting the length of the support rod; for patients with the Kirschner wire 10 and the target bracket rod at a far position, a damping sliding rail can be used, after the damping sliding rail is adjusted to a proper length, two ends of the damping sliding rail are respectively locked and fixed between the bracket rod and the nail locking device; for the patient needing secondary adjustment of the external fixation position, after the locking screw is removed, the limb is adjusted to the target position, and the patient is fixed again. The sliding rail, the bracket rod and other structures can be directly disassembled and assembled according to the treatment requirement. In the non-invasive correction, reduction and fixation, the embodiment can greatly adjust, reduce and re-fix the fracture on the premise of not increasing or decreasing accessories and not changing the number and the fixed positions of the fixing nails; the multi-dimensional bone penetrating nails avoiding the wound surface can be connected in series, so that a strong multi-plane fixed single arm support is formed, the bone nails within the range of 2/3 circumference (240 DEG) of surrounding bones can be connected and fixed, the multi-dimensional fixation of the single arm can be realized by the prior penetrating nails, and the universality is strong. The embodiment uses a single-arm bracket similar to a nunchakus and a universal nail locker which is attached to the bracket and can deviate from a bracket locking screw, and is formed by a few easy-to-mount and easy-to-adjust components, and the universal nail locker is a multifunctional external fixator which can be deformed into fracture of most parts such as pelvis, limb diaphysis, metaphyseal part, ankle and the like.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (9)
1. An intensive portable bone trauma external fixation frame is characterized in that: the universal nail locking device comprises a connecting rod, a universal joint and a universal nail locking device, wherein the adjacent connecting rods are detachably connected through the universal joint, the universal nail locking device is movably connected to the connecting rods and used for locking Kirschner wires driven into bones, and the universal nail locking device can slide on the connecting rods and rotate in directions.
2. The intensive portable bone trauma external fixation frame as in claim 1, wherein: the universal joint comprises a first connecting piece and a second connecting piece which are hinged through bolts, and the other ends of the first connecting piece and the second connecting piece are respectively hinged with connecting lugs on the connecting rods through bolts.
3. The intensive portable bone trauma external fixation frame as in claim 2, wherein: the bolt is an inner hexagon bolt.
4. The intensive portable bone trauma external fixation frame as in claim 1, wherein: the connecting rod is a telescopic connecting rod, the telescopic connecting rod comprises an inner rod and an outer rod, the inner rod is sleeved in the outer rod, a locking bolt is arranged at the inner end of the outer rod, and the inner end of the locking bolt can be abutted to the outer surface of the inner rod.
5. The intensive portable bone trauma external fixation frame as in claim 1, wherein: the connecting rod is provided with scale marks, and the length of the connecting rod is at least 10cm.
6. The intensive portable bone trauma external fixation frame as in claim 1, wherein: the universal nail locking device comprises a sliding sleeve, an adjusting rod and a nail locking device, wherein the sliding sleeve is arranged on the connecting rod in a sliding sleeve mode, a waist-shaped sliding groove is formed in the adjusting rod, the sliding sleeve is movably connected with the waist-shaped sliding groove through a bolt, the nail locking device is connected to the end portion of the adjusting rod through a bolt, and the nail locking device is used for fixing the Kirschner wire.
7. The intensive portable bone trauma external fixation frame as in claim 6, wherein: the length of the waist-shaped chute is 1cm-5cm.
8. The intensive portable bone trauma external fixation frame as in claim 6, wherein: the nail locking device comprises two clamping blocks connected through bolts, wherein one clamping block is connected with the end part of the adjusting rod, and the two clamping blocks can be spliced to form at least one through hole for fixing the Kirschner wire.
9. The intensive portable bone trauma external fixation frame as in claim 1, wherein: the connecting rod, the universal joint and the universal staple locking device are made of carbon fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311035281.XA CN116889456A (en) | 2023-08-16 | 2023-08-16 | Intensive portable external fixing frame for bone trauma |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311035281.XA CN116889456A (en) | 2023-08-16 | 2023-08-16 | Intensive portable external fixing frame for bone trauma |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116889456A true CN116889456A (en) | 2023-10-17 |
Family
ID=88310866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311035281.XA Pending CN116889456A (en) | 2023-08-16 | 2023-08-16 | Intensive portable external fixing frame for bone trauma |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116889456A (en) |
-
2023
- 2023-08-16 CN CN202311035281.XA patent/CN116889456A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5897555A (en) | External fixation system and method | |
| EP2464297B1 (en) | Orthopedic external fixator | |
| US9066757B2 (en) | Orthopedic external fixator and method of use | |
| HU207654B (en) | Trowable device particularly for external fixing the fractures of small tubular bones | |
| EP2293730A1 (en) | Device for internal fixation of the bone fragments in a radius fracture | |
| US20040133200A1 (en) | Apparatus and method for maintaining bones in a healing position | |
| CN108272497B (en) | Mechanical arm joint arm combined reduction fracture external fixation support | |
| CN107049449B (en) | Foot, hand multistage open fracture Combined type external fixed support | |
| CN116889456A (en) | Intensive portable external fixing frame for bone trauma | |
| CN215740235U (en) | Orthopedic surgery positioning device | |
| CN207101348U (en) | Foot, hand multistage open fracture Combined type external fixed support | |
| CN213098230U (en) | Low-incisura locking type external tibial fixing frame | |
| CN211094639U (en) | Orthopedics safe type nail extractor | |
| CN211560397U (en) | Orthopedics drilling sight | |
| CN210521162U (en) | Support for setting fracture | |
| CN210228601U (en) | Fracture auxiliary reset mechanism | |
| CN2891991Y (en) | Metacarpus extender | |
| CN218589101U (en) | Multifunctional two-dimensional bone moving frame | |
| CN217886173U (en) | Novel radius distal end steel plate | |
| CN215306608U (en) | Patella puncture guider | |
| CN214073791U (en) | Medical external fixing support | |
| CN213910773U (en) | Wound orthopedics mount | |
| CN213310096U (en) | Novel ulna shortens fixedly device | |
| CN220714115U (en) | Limb fixation clamp with protective structure | |
| CN211862937U (en) | Multifunctional orthopedic external fixation support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |