CN114712056B - Traction system - Google Patents
Traction system Download PDFInfo
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- CN114712056B CN114712056B CN202210256282.6A CN202210256282A CN114712056B CN 114712056 B CN114712056 B CN 114712056B CN 202210256282 A CN202210256282 A CN 202210256282A CN 114712056 B CN114712056 B CN 114712056B
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- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000000399 orthopedic effect Effects 0.000 description 5
- 210000003141 lower extremity Anatomy 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 208000023178 Musculoskeletal disease Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention relates to a traction system comprising: a drive mechanism for providing traction power; the connecting rod is connected with an output shaft of the driving mechanism and rotates along with the output shaft; the traction wheel is arranged at the end part of the connecting rod and can rotate along with the connecting rod, and a traction wire is connected to the traction wheel. The traction system is simple in structure, various traction tools can be arranged at the front end of the traction wire, the other end of the traction wire is wound on the traction wheel, and the traction wheel is driven to rotate through the traction system, so that traction operation is completed. The telescopic rod is arranged between the base and the bracket, so that the height of the bracket can be adjusted, and the traction system is suitable for different heights of operating tables.
Description
Technical Field
The invention belongs to the field of medical appliances, and particularly relates to a traction system for fracture reduction surgery.
Background
In orthopedic disorders, doctors often use traction to treat various conditions. The orthopedic lower limb traction system is also called as an orthopedic traction frame, belongs to basic equipment of an orthopedic operating room, can be connected with an operating table, supports the body of a patient in an orthopedic lower limb traction operation, and performs traction and reduction on the lower limb at the affected side. However, the traditional orthopedic lower limb traction system is excessively complex in structure, occupies a large space around an operating table, and is inconvenient for medical staff to operate. In addition, the C-shaped arm is easy to influence in the traction process to carry out the intraoperative shooting and shooting on the traction reset part.
There is therefore a need in the art to design a traction system that is simple in construction.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a traction system, including:
a drive mechanism for providing traction power;
the connecting rod is connected with an output shaft of the driving mechanism and rotates along with the output shaft;
the traction wheel is arranged at the end part of the connecting rod and can rotate along with the connecting rod, and a traction wire is connected to the traction wheel.
Further, the traction system includes a holding portion for holding the traction system in a steady state. The holding portion may comprise connecting means and/or supporting means.
Further, the driving mechanism comprises a worm gear mechanism, one end of the worm is connected with the handle, and the axis of the worm wheel is connected with the output shaft.
Further, the traction system further comprises:
the telescopic rod is connected between the base and the bracket in a telescopic way;
and the telescopic shaft is telescopically connected between the output shaft and the connecting rod.
Further, the driving mechanism is arranged on the base, two telescopic supporting legs are arranged on the base, and a bed clamp is arranged at the upper end of the support.
Further, an annular sleeve is arranged on the support, and the end part of the telescopic shaft is clamped with the connecting rod in the annular sleeve.
Further, the connecting rod may comprise a plurality of serially connected sections.
Further, the traction wheel includes:
the traction wheel body is provided with a circular through hole in the middle;
the wire slot is arranged on the outer circumference of the traction wheel body;
the rotating clamping part is used for rotatably clamping the traction wheel on the connecting rod;
and the fixed clamping part is used for clamping the traction wheel on the connecting rod in a non-rotatable manner.
Further, the rotary clamping portion comprises a plurality of elastic heads uniformly distributed around the circular through holes, and the elastic heads can retractably extend into the circular through holes.
Further, the rotation clamping portion includes:
the plurality of spring cavities are uniformly distributed around the circular through holes and penetrate through the traction wheel body to be communicated with the circular through holes;
the springs are respectively arranged in the spring cavities;
the elastic heads are respectively arranged in the spring cavities, one end of each elastic head extends into the circular through hole, and the other end of each elastic head is in butt joint with the spring;
and the sealing covers are arranged on the traction wheel body and seal the spring cavity.
Further, the fixed clamping part is a clamping groove and is arranged at the bottom of the traction wheel body.
Further, the traction sheave further includes:
the swivel is rotatably arranged on the traction wheel body and is coaxial with the circular through hole;
and the baffle is connected to the swivel and is positioned outside the wire slot.
Further, the traction wheel further comprises a wire clamping groove, the wire clamping groove is elastically arranged on the traction wheel body and used for clamping the traction wire between the side face of the traction wheel body and the wire clamping groove.
Further, the head of the elastic head is hemispherical.
Further, the traction wheel body is cylindrical in shape.
Further, the wire slot is an annular groove.
Further, a traction wire fixing part is arranged in the wire slot.
The traction system is simple in structure, various traction tools can be arranged at the front end of the traction wire, the other end of the traction wire is wound on the traction wheel, and the traction wheel is driven to rotate through the traction system, so that traction operation is completed.
The telescopic rod is arranged between the base and the bracket, so that the height of the bracket can be adjusted, and the traction system is suitable for different heights of operating tables.
According to the traction wheel, the rotating clamping part and the fixed clamping part are arranged, so that the traction wheel can achieve two connection states on the connecting rod, and the two connection states can be freely converted. When the traction wheel rotates to be clamped, the traction wheel can rotate on the connecting rod, so that paying-off and winding-up are facilitated. When the traction wheel is fixedly clamped, the traction wheel is clamped on the connecting rod, is not rotatable relative to the connecting rod but can rotate along with the connecting rod, and can be used for traction at the moment.
The traction wheel is provided with the baffle plate which is blocked at the outer side of the wire slot to prevent the traction wire from being ejected out of the wire slot. The traction wheel is also provided with a wire clamping groove for clamping the tail end of the traction wire after wire collection, so as to prevent the traction wire from loosening and scattering.
In addition to the technical problems, features of the constituent technical solutions and advantages brought by the technical features of the technical solutions described above, other technical features of the present invention and advantages brought by the technical features of the technical solutions, further description will be made with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a traction system according to an embodiment of the present invention.
Fig. 2 is a schematic partial structure of a traction system according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a worm gear structure according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a connecting rod according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a traction wheel according to an embodiment of the present invention.
Fig. 6 is a schematic view of the traction sheave of the embodiment of the present invention assembled on a connecting rod.
Fig. 7 is a schematic cross-sectional view of a traction wheel according to an embodiment of the present invention.
Fig. 8 is a schematic cross-sectional view illustrating a rotationally clamped state of a traction wheel and a connecting rod according to an embodiment of the present invention.
Fig. 9 is a schematic cross-sectional structure of a fixed clamping state of a traction wheel and a connecting rod according to an embodiment of the present invention.
Reference numerals:
traction wheel 1, traction wire 2, connecting rod 3, annular sleeve 4, bed clamp 5, support 6, telescopic rod 7, landing leg knob 8, landing leg 9, universal wheel 10, worm 11, shaft coupling 12, telescopic shaft 13, base 14, handle 15, turbine 16, output shaft 17, through-hole 101, elastic head 102, wire slot 103, cross clamping slot 104, baffle 105, clamping wire slot 106, closing cap 107, spring cavity 108, swivel 109, first annular groove 301, second annular groove 302, cross clamping tenon 303.
Detailed Description
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality", "a plurality of groups" means two or more, and the meaning of "a plurality", "a plurality of roots", "a plurality of groups" means one or more.
The present invention provides a traction system comprising: a drive mechanism for providing traction power; the connecting rod is connected with an output shaft of the driving mechanism and rotates along with the output shaft; the traction wheel is arranged at the end part of the connecting rod and can rotate along with the connecting rod, and a traction wire is connected to the traction wheel.
Alternatively, the drive mechanism may be manually or electrically driven. For example, the structure may be a motor drive or a manual wheel.
Preferably, the driving mechanism comprises a worm gear mechanism, one end of the worm is connected with the handle, and the axis of the worm wheel is connected with the output shaft. The worm wheel and the worm are matched, the structure is simple and reliable, and the rotation of the output shaft can be realized by manually rotating the worm. Preferably, the worm gear is connected to the output shaft by a universal coupling. Preferably, the handle and the worm can be connected through a ratchet mechanism, and the ratchet mechanism can be bidirectionally adjustable, so that the rotation direction of the handle driving the worm can be conveniently adjusted through adjusting the ratchet mechanism, and the traction force can be increased or reduced.
Further, the traction system further comprises: the telescopic rod is connected between the base and the bracket in a telescopic way; and the telescopic shaft is telescopically connected between the output shaft and the connecting rod. In order to adapt to operating tables of different heights, the height of the traction system of the invention is adjustable, in particular a telescopic rod is provided between the support and the base, preferably two parallel telescopic rods. The length of the telescopic rod is adjusted, so that the upper end of the bracket is connected to an operation bed through a bed clamp, the base is supported on the ground, and then the telescopic rod is locked, so that the connection and support functions are maintained. Correspondingly, one end of the output shaft is provided with a telescopic shaft, the length of the telescopic shaft can be adjusted to meet application scenes with different heights, for example, an outer shaft barrel and an inner shaft barrel can be arranged, the inner shaft barrel is assembled in the outer shaft barrel, and the inner shaft barrel is not rotatable relative to the outer shaft barrel but can do telescopic motion along the axis. One end of the outer shaft cylinder may be connected to the output shaft, and one end of the inner shaft cylinder may be connected to the connecting rod, so that transmission of the driving force of the output shaft to the connecting rod may be ensured. Preferably, the telescopic shaft is connected to the connecting rod by a universal coupling.
Preferably, the driving mechanism is arranged on a base, the base is provided with two telescopic supporting legs, and the upper end of the support is provided with a bed clamp. More than two universal wheels can be arranged on the base, so that the traction system can be moved conveniently, and the universal wheels can be locked after the traction system moves to a traction position. Preferably, the legs can be lowered to support the ground so that the base of the traction system is more stable. Preferably, the legs are telescopic structures, and leg knobs are provided for locking or unlocking the legs. When the support leg is used, the support leg knob is firstly loosened, the support leg is regulated to be stably supported on the ground, and then the support leg knob is locked to keep the support state of the support leg.
Preferably, the support is provided with an annular sleeve, and the end part of the telescopic shaft is clamped with the connecting rod in the annular sleeve. Preferably, the position of the annular sleeve is lower than the position of the bed clamp, the connecting rod above the annular sleeve being detachable, in other words in the detached state, the bed clamp being the highest point of the traction system. The structural design easily meets the disinfection requirement of an operating room. The connecting rod, the traction wheel and the traction wire on the annular sleeve need to be disinfected, and the connecting rod, the traction wheel and the traction wire can be detached for independent disinfection before each use. The bed clamp of the traction system is connected to the operation bed board, the lower part of the bed clamp does not need to be disinfected, and the bed clamp and part of the support are covered by a disinfection sheet during operation traction, so that the requirement of a sterile area on the bed surface is met.
More preferably, the connecting rod may comprise a plurality of sections connected in series. In order to be suitable for traction operations with different heights, the connecting rods can be connected in a multi-section pluggable series mode. The single section of connecting rod should not be too long, and each section of connecting rod should be convenient to put into a disinfection container for disinfection.
Preferably, the traction wheel comprises: the traction wheel body is provided with a circular through hole in the middle; the wire slot is arranged on the outer circumference of the traction wheel body; the rotating clamping part is used for rotatably clamping the traction wheel on the connecting rod; and the fixed clamping part is used for clamping the traction wheel on the connecting rod in a non-rotatable manner.
According to the traction wheel, the rotating clamping part and the fixed clamping part are arranged, so that the traction wheel can achieve two connection states on the connecting rod, and the two connection states can be freely converted. When the traction wheel rotates to be clamped, the traction wheel can rotate on the connecting rod, so that paying-off and winding-up are facilitated. When the traction wheel is fixedly clamped, the traction wheel is clamped on the connecting rod, is not rotatable relative to the connecting rod but can rotate along with the connecting rod, and can be used for traction at the moment.
The connecting rod is cylindrical, can cooperate with the circular through-hole of traction wheel, and the traction wheel passes through circular through-hole assembly on the connecting rod. The connecting rod is provided with a first annular groove, a second annular groove and a clamping tenon from top to bottom in sequence at the end part of the connecting rod. When the rotating clamping part is clamped in the first annular groove of the connecting rod, the traction wheel and the connecting rod are in a rotating connection state, and the traction wheel can rotate around the connecting rod. When the second annular groove of the connecting rod is clamped by the rotating clamping part, the fixed clamping part is connected with the clamping tenon, the fixed clamping part is a clamping groove and is arranged at the bottom of the traction wheel body, the traction wheel and the connecting rod are in a fixed connection state, and the traction wheel cannot rotate around the connecting rod.
Preferably, the rotary clamping portion comprises a plurality of elastic heads uniformly distributed around the circular through hole, and the elastic heads can retractably extend into the circular through hole. The elastic head stretches into the circular through hole and can be clamped in the first annular groove or the second annular groove. The elastic head is in an elastically stretchable state, and thus can be switched between the first annular groove and the second annular groove. When the traction wheel is pressed downwards with force, the elastic head is retracted to be separated from the first annular groove, the traction wheel moves downwards along the connecting rod, and when the elastic head moves to the second annular groove, the elastic head elastically stretches out to be clamped in the second annular groove. When the traction wheel is pulled upwards, the elastic head can be separated from the second annular groove, and when the elastic head moves to the first annular groove, the elastic head elastically stretches out to be clamped in the first annular groove.
Preferably, the rotary clamping portion comprises a plurality of spring cavities uniformly distributed around the circular through holes, and the spring cavities can be formed by punching through the circular through holes from the traction wheel body to the middle. The spring is arranged in the spring cavity, the front end of the spring is provided with an elastic head, the rear end of the spring is propped against the sealing cover, and the sealing cover is arranged on the traction wheel body to seal the spring cavity. Under the action of spring force, the front end of the elastic head can penetrate into the circular through hole, and when the received extrusion force is greater than the spring force, the elastic head can retract into the spring cavity.
Preferably, the traction wheel further comprises a swivel, and the swivel can be arranged on the upper end face of the traction wheel and can be coaxial with the circular through hole and rotatable relative to the traction wheel. The baffle is connected to the swivel, and the baffle is located the outside of wire casing. In the wire winding and paying-off process, the traction wheel rotates, and the baffle is blocked outside the wire slot, so that the traction wire can be prevented from being popped out of the wire slot. The baffle can rotate relative to the traction wheel through being connected with the swivel, so that the baffle does not interfere the wire winding and unwinding operation.
Preferably, the traction wheel further comprises a wire clamping groove, a groove can be formed in the upper end face of the traction wheel body, and one end opening of the wire clamping groove is communicated with the wire groove. The wire clamping groove is used for clamping the tail end of the traction wire. More preferably, the wire clamping groove can be elastically assembled with the side surface of the traction wheel, when the wire clamping is needed, the wire clamping groove is pulled out, and after the traction wire is placed in the wire clamping groove, the wire clamping groove is loosened, and the wire clamping groove can be tightly attached to the side surface of the traction wheel under the action of elastic tension, so that the traction wire is clamped. The traction wire and the traction wheel need to be disinfected before traction operation, and at the moment, the traction wire is wound in a wire groove of the traction wheel, and the traction wire is usually a steel wire rope and is very flexible, so that the traction wire is easy to loosen and inconvenient to disinfect. The tail ends of the traction wires are clamped in the wire clamping grooves and are orderly wound, so that the disinfection operation is convenient.
Preferably, the wire slot is provided with a traction wire fixing part. One end of the traction wire is fixedly connected into the wire slot, the traction wire is wound in the wire slot, and the other end of the traction wire can be connected to the traction bow. When in use, the traction wire is released from the wire slot, and is wound into the wire slot after the use.
The traction system of the invention works as follows:
the traction bow is arranged at the traction position of the patient, the connecting rod is inserted into the annular sleeve, the traction wheel is rotationally clamped on the connecting rod, and at the moment, the traction wheel can rotate around the connecting rod, so that the traction wire is conveniently led out from the traction wheel to be connected to the traction bow. Then, the traction wheel is fixedly clamped on the connecting rod, and the traction wheel is fixed and non-rotatable relative to the connecting rod. The ratchet mechanism of the adjusting handle is in a state of increasing traction force, and the rotating handle enables the worm gear to rotate and drives the output shaft to rotate, so that the connecting rod rotates. The traction wheel rotates along with the connecting rod, and the traction wire is wound in the wire groove of the traction wheel, so that the traction wire is tensioned, and the traction operation on the patient part is realized through the traction bow at the front end. When the traction is finished, the ratchet mechanism of the adjusting handle is in a state of reducing traction, the handle is rotated to enable the worm gear and the worm to reversely rotate, the output shaft drives the connecting rod to reversely rotate, the traction wheel reversely rotates, the traction wire is loosened from the traction wheel, and at the moment, the traction wire can be separated from the traction bow. And then the traction wheel is rotationally clamped with the connecting rod, the traction wheel is rotated to realize wire winding operation, and the tail end of the traction wire is clamped in the wire clamping groove.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 3, the traction system of the present embodiment includes a connecting rod 3, an upper end portion of which is equipped with a traction wheel 1, and a traction wire 2 wound around the traction wheel 1. The connecting rod 3 is inserted on the annular sleeve 4, in this embodiment, the connecting rod is two sections, and the connecting rods are inserted together in series.
The bed clamp 5 is arranged at the end part of the bracket 6, and the annular sleeve 4 is arranged on the bracket 6 and is lower than the bed clamp 5. A telescopic rod 7 is arranged between the bracket 6 and the base 14, two universal wheels 10 and two supporting legs 9 are arranged on the base 14, and the supporting legs 9 are of telescopic structures and comprise supporting leg knobs 8 used for locking and unlocking. The bed clamp 5, the legs 9 and the universal wheels 10 may constitute a holding part for holding the traction system in a stable state during operation.
The drive mechanism, in this embodiment a manual drive mechanism, is provided on the base 14 and comprises a worm wheel 16 and a worm 11 which are co-operating, one end of the worm being connected to a handle 15. The worm wheel 16 is connected to the output shaft 17 through a coupling, the telescopic shaft 13 is telescopically connected with the output shaft 17, and the telescopic shaft 13 is non-rotatable relative to the output shaft 17 but can axially telescopically move. The telescopic shaft 13 is connected to the connecting rod 3 by means of a coupling 12. The operating handle 15 rotates the worm 11 to drive the worm wheel 16 to rotate, so that the output shaft 17 rotates to drive the connecting rod 3 to rotate, and driving force transmission is completed.
As shown in fig. 4, the connection rod 3 is cylindrical and is fitted with the through hole 101 of the traction wheel 1, and the traction wheel 1 is fitted on the connection rod 3 through the through hole 101. The connecting rod 3 is provided at its end with a first annular groove 301, a second annular groove 302 and a cross latch 303 in that order from top to bottom.
As shown in fig. 5 to 7, the traction wheel 1 provided in the embodiment of the present invention includes a traction wheel body having a substantially cylindrical structure with a through hole 101 therethrough. The traction wheel 1 is fitted on the connecting rod 3 through the through hole 101. The outer circumference of traction wheel body is provided with wire casing 103, and traction wire 2 one end fixed connection is on wire casing 103, and traction wire 2 twines in wire casing 103.
A cross clamping groove 104 is formed in the bottom of the traction wheel body, and the cross clamping groove 104 is communicated with the through hole 101. A plurality of spring cavities 108 are arranged in the middle of the traction wheel body, the spring cavities 108 are drilled from the traction wheel body to the middle through hole 101, and the plurality of spring cavities 108 are uniformly distributed around the periphery of the through hole 101. A spring is arranged in the spring cavity 108, the front end of the spring is provided with an elastic head 102, the rear end of the spring is abutted against a sealing cover 107, and the sealing cover 107 is arranged on the traction wheel body to seal the spring cavity 108. The spring provides a pre-thrust to the elastic head 102. The front end of the spring head 102 is hemispherical and can be elastically extended into the through hole 101 or retracted into the spring chamber 108.
The traction wheel 1 further comprises a swivel 109, and the swivel 109 is arranged on the upper end surface of the traction wheel 1, is coaxial with the through hole 101, and is rotatable relative to the traction wheel 1. The baffle 105 is connected to a swivel 109, the baffle 105 being located outside the wire chase 103.
As shown in fig. 8, the traction wheel 1 and the connecting rod 3 are in a rotation clamping state. At this time, the elastic head 201 is clamped in the first annular groove 301 of the connecting rod 3, and the traction wheel 1 can rotate around the connecting rod 3. The traction wheel 1 rotates around the connecting rod 3, so that the winding and unwinding of the traction wire 2 can be realized.
As shown in fig. 9, the traction wheel 1 and the connecting rod 3 are in a fixed clamping state. At this time, the elastic head 201 is clamped in the second annular groove 302 of the connecting rod 3. The cross clamping groove 104 of the traction wheel 1 is clamped with the cross tenon 303 of the connecting rod 3, so that the traction wheel 1 cannot rotate around the connecting rod 3. At this time, the connecting rod 3 can rotate under the drive of the driving device, the traction wheel 1 rotates along with the connecting rod 3, and the traction wire 2 is wound in the wire slot 103 of the traction wheel 1 to be continuously tightened, so that the traction bow is tensioned, and the traction operation on the patient part is realized.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present invention, and not limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A traction system, comprising:
a drive mechanism for providing traction power;
the connecting rod is connected with an output shaft of the driving mechanism and rotates along with the output shaft;
the traction wheel is arranged at the end part of the connecting rod and can rotate along with the connecting rod, and a traction wire is connected to the traction wheel; the traction wheel includes: the traction wheel body is provided with a circular through hole in the middle; the wire slot is arranged on the outer circumference of the traction wheel body; the rotating clamping part is used for rotatably clamping the traction wheel on the connecting rod; the fixed clamping part is used for clamping the traction wheel on the connecting rod in a non-rotatable manner;
the rotary clamping part comprises a plurality of elastic heads which are uniformly distributed around the circular through holes, and the elastic heads can retractably extend into the circular through holes; the rotation clamping portion comprises: the plurality of spring cavities are uniformly distributed around the circular through holes and penetrate through the traction wheel body to be communicated with the circular through holes; the springs are respectively arranged in the spring cavities; the elastic heads are respectively arranged in the spring cavities, one end of each elastic head extends into the circular through hole, and the other end of each elastic head is in butt joint with the spring; the sealing covers are arranged on the traction wheel body and seal the spring cavity;
the fixed clamping part is a clamping groove and is arranged at the bottom of the traction wheel body.
2. The traction system of claim 1 wherein the drive mechanism comprises a worm gear mechanism, one end of the worm being connected to a handle, the axle center of the worm gear being connected to the output shaft.
3. The traction system of claim 1, further comprising:
the telescopic rod is connected between the base and the bracket in a telescopic way;
and the telescopic shaft is telescopically connected between the output shaft and the connecting rod.
4. The traction system of claim 1, further comprising:
the swivel is rotatably arranged on the traction wheel body and is coaxial with the circular through hole;
and the baffle is connected to the swivel and is positioned outside the wire slot.
5. The traction system of claim 1, further comprising a wire clamping groove resiliently disposed on the traction wheel body for clamping a traction wire between a side of the traction wheel body and the wire clamping groove.
6. A traction system according to claim 3, wherein the drive mechanism is provided on a base provided with two telescopic legs, the upper end of the support being provided with a bed clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256282.6A CN114712056B (en) | 2022-03-16 | 2022-03-16 | Traction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256282.6A CN114712056B (en) | 2022-03-16 | 2022-03-16 | Traction system |
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| Publication Number | Publication Date |
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| CN114712056A CN114712056A (en) | 2022-07-08 |
| CN114712056B true CN114712056B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210256282.6A Active CN114712056B (en) | 2022-03-16 | 2022-03-16 | Traction system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101040815A (en) * | 2007-04-13 | 2007-09-26 | 马学军 | Distance adjusting mechanism and the hat of head massager having said mechanism |
| CN109330804A (en) * | 2018-10-16 | 2019-02-15 | 北京罗森博特科技有限公司 | Traction therapeutic device and traction table |
| CN109730823A (en) * | 2019-02-22 | 2019-05-10 | 杭州市第一人民医院 | Novel Bone traction buffer unit |
| CN110787019A (en) * | 2019-10-29 | 2020-02-14 | 北京市春立正达医疗器械股份有限公司 | Traction device and traction bed using same |
| CN111568619A (en) * | 2020-06-11 | 2020-08-25 | 梁硕福 | Traction device for orthopedics clinic |
| CN211460723U (en) * | 2019-09-05 | 2020-09-11 | 河南省人民医院 | Orthopedic sickbed nursing traction frame |
| CN111991130A (en) * | 2020-09-03 | 2020-11-27 | 西安医学院附属宝鸡医院 | Traction bed for orthopedics department |
| CN112870002A (en) * | 2021-03-22 | 2021-06-01 | 重庆两江新区第一人民医院 | Traction reduction support for orthopedic operation |
-
2022
- 2022-03-16 CN CN202210256282.6A patent/CN114712056B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101040815A (en) * | 2007-04-13 | 2007-09-26 | 马学军 | Distance adjusting mechanism and the hat of head massager having said mechanism |
| CN109330804A (en) * | 2018-10-16 | 2019-02-15 | 北京罗森博特科技有限公司 | Traction therapeutic device and traction table |
| CN109730823A (en) * | 2019-02-22 | 2019-05-10 | 杭州市第一人民医院 | Novel Bone traction buffer unit |
| CN211460723U (en) * | 2019-09-05 | 2020-09-11 | 河南省人民医院 | Orthopedic sickbed nursing traction frame |
| CN110787019A (en) * | 2019-10-29 | 2020-02-14 | 北京市春立正达医疗器械股份有限公司 | Traction device and traction bed using same |
| CN111568619A (en) * | 2020-06-11 | 2020-08-25 | 梁硕福 | Traction device for orthopedics clinic |
| CN111991130A (en) * | 2020-09-03 | 2020-11-27 | 西安医学院附属宝鸡医院 | Traction bed for orthopedics department |
| CN112870002A (en) * | 2021-03-22 | 2021-06-01 | 重庆两江新区第一人民医院 | Traction reduction support for orthopedic operation |
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| CN114712056A (en) | 2022-07-08 |
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