CN219147843U

CN219147843U - Portable traction device for external fixing frame of orthopedics department

Info

Publication number: CN219147843U
Application number: CN202223290937.6U
Authority: CN
Inventors: 常盼盼; 王天兵; 黄伟; 张鹏; 李放
Original assignee: Peking University Peoples Hospital
Current assignee: Peking University Peoples Hospital
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-06-09
Anticipated expiration: 2032-12-08

Abstract

The portable external fixing frame traction device for orthopaedics comprises an electric traction mechanism, a supporting plate and a bottom plate, wherein the rear end of the supporting plate is hinged at the rear end of the bottom plate through a first hinge shaft, an electric cylinder is arranged between the supporting plate and the bottom plate, and the electric cylinder can push the supporting plate to rotate around the first hinge shaft; in summary, the traction motor and the traction rope are used for traction of the two groups of baffle members, and the two groups of baffle members apply force to the traction needle, so that the traction needle is pulled along the long axis direction of the lower limb; the traction degree can be adjusted through the traction motor; the device reduces the damage to the bone and is convenient to assemble and use.

Description

Portable traction device for external fixing frame of orthopedics department

Technical Field

The utility model relates to a portable traction device for an external fixator of orthopaedics.

Background

Fracture refers to the interruption of the integrity and continuity of bones, and can be classified into traumatic fracture, pathological fracture and other different types according to pathogenic factors. Fractures are mainly manifested as local deformity, abnormal activities, pain, swelling, dyskinesia, bone-rubbing sensation and the like, and can seriously lead to shock and endanger life safety. The main purpose of the fracture treatment is to restore the integrity and continuity of bones, ensure good alignment and alignment relation and restore the physiological functions of patients. The fracture treatment comprises surgical treatment and conservative treatment, wherein the surgical treatment mainly comprises incision, reduction, internal fixation and the like, and the conservative treatment comprises reduction, fixation, traction and subsequent rehabilitation exercise.

The traction modes of fracture comprise skin traction and bone traction, wherein the skin traction is traction after a body surface is fixed by a fixing belt, and the bone traction is generally applicable to unstable tibiofibular fracture, partial calcaneal fracture, mild hip and knee contracture deformity and the like, and is carried out by inserting a traction needle into a bone and then pulling the traction needle. At present, a plurality of traction devices are used, and pulley blocks and weights are mainly applied clinically. However, the traction direction and the strength of the traction apparatus cannot meet clinical requirements, the existing traction apparatus cannot conveniently adjust the tension, but only can adjust the weight of a fixed weight, when the traction apparatus is used for traction, the angle of the traction rope is the direction from the traction needle to the pulley, and a V shape is presented, the traction direction of the traction rope is not parallel to the long axis direction of the lower limb, but a certain angle is presented, so that the traction apparatus has a force perpendicular to the long axis of the lower limb besides the force in the long axis direction of the lower limb, the latter has a damage effect on the lower limb, and the bone of the lower limb can be damaged, and the traction apparatus is more obvious for old people and patients with osteoporosis.

Disclosure of Invention

The utility model aims to provide a portable traction device for an external fixator for orthopaedics, which aims to solve the technical problems that the traction direction of the existing traction device has a certain angle with the long axis direction of the lower limb, and the lower limb is damaged.

In order to achieve the above purpose, the technical scheme of the portable traction device for the external fixator for orthopaedics provided by the utility model is as follows:

the portable external fixing frame traction device for orthopaedics comprises an electric traction mechanism, a supporting plate and a bottom plate, wherein the rear end of the supporting plate is hinged at the rear end of the bottom plate through a first hinge shaft, an electric cylinder is arranged between the supporting plate and the bottom plate, and the electric cylinder can push the supporting plate to rotate around the first hinge shaft;

the electric traction mechanism comprises a traction motor and two groups of baffle members, the two groups of baffle members are respectively positioned at the left side and the right side of the two support plates, the lower ends of the baffle members are hinged on the support plates through second hinge shafts, a plurality of short rods are arranged at the upper parts of the baffle members, and a bayonet is formed between two adjacent short rods; the lower parts of the two baffle members are fixed with cross bars, and the cross bars are positioned below the supporting plates;

the traction motor is arranged at the front end of the bottom plate, the bottom of the front end of the supporting plate is provided with a guide pulley, and a traction rope is arranged between the cross rod and the traction motor and bypasses the guide pulley.

Further, a ramp structure is provided at the rear end of the base plate.

Further, the upper surface of the support plate is provided with a soft cushion.

Further, a fixing piece is fixed at the front end of the bottom plate and is used for being fixed on the patient bed.

Further, a tension meter is arranged on the traction rope.

Compared with the prior art, the utility model has the following beneficial effects: according to the traction needle, the traction motor and the traction rope are used for traction of the two groups of baffle members, and the two groups of baffle members apply force to the traction needle, so that the traction needle is pulled along the long axis direction of the lower limb; the traction degree can be adjusted through the traction motor; the device reduces the damage to the bone and is convenient to assemble and use.

Drawings

Fig. 1 is a schematic structural view of a portable traction device for an external fixator for orthopaedics, which is provided by the utility model;

fig. 2 is a structural view of the electric traction mechanism.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" is not intended to exclude processes, methods comprising such element.

The present utility model is described in further detail below with reference to examples.

The utility model provides a specific embodiment 1 of a portable traction device for an external fixator for orthopaedics, which comprises the following components:

in the embodiment, the portable orthopedic external fixation frame traction device comprises an electric traction mechanism, a support plate 1 and a bottom plate 2, wherein a hanging piece 3 is arranged at the front end of the bottom plate 2, the hanging piece 3 is used for fixing the bottom plate 2 on a sickbed, the hanging piece 3 is provided with a hanging buckle 4 and a jacking bolt 5, the hanging buckle 4 is used for hanging at the tail of a sickbed, and the jacking bolt 5 is used for fastening;

the rear end of the supporting plate 1 is hinged to the rear end of the bottom plate 2 through a first hinge shaft 6, an electric cylinder 7 is arranged between the supporting plate 1 and the bottom plate 2, and the electric cylinder 7 can push the supporting plate 1 to rotate around the first hinge shaft 6;

the electric traction mechanism comprises a traction motor 8 and two groups of baffle members 9, the two groups of baffle members 9 are respectively positioned at the left side and the right side of the two support plates 1, the lower ends of the baffle members 9 are hinged on the support plates 1 through second hinge shafts 10, a plurality of short rods 21 are arranged at the upper parts of the baffle members 9, and bayonets 22 are formed between the two adjacent short rods 21; a cross rod 11 is fixed at the lower parts of the two baffle members 9, and the cross rod 11 is positioned below the supporting plate 1;

the traction motor 8 is arranged at the front end of the bottom plate 2, the bottom of the front end of the supporting plate 1 is provided with a guide pulley 12, a traction rope 13 is arranged between the cross rod 11 and the traction motor 8, and the traction rope 13 bypasses the guide pulley 12.

When the traction device of the embodiment is used for traction, the bottom plate 2 is fixed on a patient bed through the hanging piece 3, then the legs are placed on the supporting plate 1, and an adjusting mechanism can be arranged between the hanging piece 3 and the bottom plate 2 for adjusting the distance between the hanging piece 3 and the bottom plate 2 so that the legs can be placed at proper positions on the supporting plate 1; then the electric cylinder 7 is started, the electric cylinder 7 pushes the supporting plate 1 to lift a certain angle, and a soft cushion 16 can be arranged on the supporting plate 1 to prevent pressure sores caused by long-time supporting of legs; then, the two ends of the traction needle are clamped by the bayonets 22 of the two groups of baffle members 9, the traction rope 13 is pulled by the traction motor 8, the cross rod 11 is pulled by the traction rope 13, the cross rod 11 applies force to the two groups of baffle members 9, so that the two groups of baffle members 9 pull the traction needle towards the foot direction, and the traction rope 13 can be provided with the tension meter 14 for displaying the traction force; in addition, a slope structure 15 is arranged at the rear end of the bottom plate 2, so that the slope structure 15 can be used for transition support when the legs are placed on the supporting plate 1.

Claims

1. A portable orthopedic external fixation frame traction device, which is characterized in that: the electric traction mechanism comprises an electric traction mechanism, a supporting plate and a bottom plate, wherein the rear end of the supporting plate is hinged to the rear end of the bottom plate through a first hinge shaft, an electric cylinder is arranged between the supporting plate and the bottom plate, and the electric cylinder can push the supporting plate to rotate around the first hinge shaft;

2. A portable orthopedic external fixation frame traction device as defined in claim 1, wherein: a slope structure is arranged at the rear end of the bottom plate.

3. A portable orthopedic external fixation frame traction device as defined in claim 1, wherein: the upper surface of the supporting plate is provided with a soft cushion.

4. A portable orthopedic external fixation frame traction device as defined in claim 1, wherein: the front end of the bottom plate is fixed with a fixing piece which is used for being fixed on the patient bed.

5. A portable orthopedic external fixation frame traction device as defined in claim 1, wherein: and a tension meter is arranged on the traction rope.