CN113018535A

CN113018535A - Portable negative pressure suction device for wound treatment in burn and plastic surgery

Info

Publication number: CN113018535A
Application number: CN202110269872.8A
Authority: CN
Inventors: 张颖异; 张艳阁; 许学文; 肖海涛
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-06-25
Anticipated expiration: 2041-03-12
Also published as: CN113018535B

Abstract

The invention relates to the technical field of medical instruments, and discloses a portable negative pressure suction device for treating a wound surface in burn plastic surgery, which comprises a moving frame, wherein a negative pressure suction machine main body is arranged on the moving frame, a fixing component which can move up and down and is used for fixing a suction bottle is arranged at the center of the inner bottom surface of the moving frame, a fixing table is hinged with a horizontally movable sliding block through an inclined rod, the sliding block is connected with a threaded rotating shaft provided with a gear through a rack, a threaded sliding sleeve which can move up and down is arranged at the top end of the threaded rotating shaft, a support arm is hinged on the threaded sliding sleeve, and the support arm drives a pressing plate to move left and right through a horizontally. The invention utilizes the gravity action of the suction bottle to press the fixing component downwards, and the fixing component is linked with the inclined rod, the sliding block, the rack, the threaded rotating shaft, the threaded sliding sleeve, the support arm and the push rod component, so that the pressure plate clamps the suction bottle and prevents the suction bottle from toppling over in the use process.

Description

Portable negative pressure suction device for wound treatment in burn and plastic surgery

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a portable negative pressure suction device for treating a wound surface in burn and plastic surgery.

Background

Drainage is a surgical means for establishing an open channel between a certain part of an organism and other parts of the organism or between the certain part of the organism and the outside to achieve the purpose of treatment, is an important component in surgical treatment and is one of basic operations of surgical operation; when a certain part of a patient body is burnt, harmful substances such as purulent effusion, necrotic tissues, foreign bodies, abnormally accumulated blood and digestive juice and the like in a body cavity, an organ or a tissue need to be discharged in time so as to reduce pressure to eliminate the dead cavity, eliminate inflammatory stimulation to the body, change the biological environment of an infected part, relieve the inflammatory reaction of the body, inhibit local bacterial reproduction, prevent infection diffusion and promote inflammation regression.

Although the existing negative pressure suction device can well perform adsorption work, in the using process, a suction bottle on the negative pressure suction device is often simply placed on the suction device, when a user carries or uses the negative pressure suction device, the suction bottle on the negative pressure suction device is likely to fall off, the use of the negative pressure suction device by the user is affected in the process, even the suction bottle on the negative pressure suction device is likely to be damaged, the using effect is not ideal, and therefore the portable negative pressure suction device for treating the wound surface in the burn plastic surgery is provided.

Disclosure of Invention

The first purpose of the invention is to provide a portable negative pressure suction device for treating the wound surface in the burn and plastic surgery, which solves the defects of the prior art.

The embodiment of the invention is realized by the following steps:

a portable negative pressure suction device for treating a wound surface in burn plastic surgery comprises a movable frame, wherein a negative pressure suction machine main body is arranged on the movable frame, and a communicating pipe is arranged on the negative pressure suction machine main body;

the suction bottle is connected with the communicating pipe, a negative pressure pipe is further arranged on the suction bottle, inclined rods are symmetrically hinged to two sides of the fixing assembly, slide rails are symmetrically arranged on the inner bottom surface of the moving frame with the fixing assembly as the symmetric center and in a left-right mode, slide blocks are arranged in the slide rails in a sliding mode, the slide blocks are hinged to the inclined rods, and racks are horizontally arranged on the slide blocks;

the inner bottom surface of the moving frame is provided with a threaded rotating shaft in bilateral symmetry by taking the fixed component as a symmetric center, the lower end of the threaded rotating shaft is provided with a gear meshed with a rack, the upper end of the threaded rotating shaft is in threaded connection with a threaded sliding sleeve, the threaded sliding sleeve is hinged with two support arms extending upwards, the two support arms are respectively hinged with a first connecting arm and a second connecting arm which are horizontally arranged, the first connecting arm and the second connecting arm are mutually crossed and hinged, the first connecting arm is provided with a sliding groove along the length direction of the first connecting arm, the second connecting arm is provided with a sliding pin capable of sliding along the sliding groove, one ends of the first connecting arm and the second connecting arm, which are far away from the support arms, are respectively hinged with a third connecting arm and a fourth connecting arm, one ends of the third connecting arm and the fourth connecting arm, which are far away from the first connecting, the tail end of the push rod is provided with a pressing plate used for abutting against the suction bottle.

Further, the fixed subassembly is including setting up in the I-shaped frame of bottom surface center in moving the frame, the I-shaped frame is gone up to slide and is provided with the fixed station, and the fixed spring that is provided with between the bottom surface of fixed station and the top surface of I-shaped frame, be provided with on the fixed station and attract the bottle standing groove.

Furthermore, the movable frame is provided with a transverse plate above the I-shaped frame, and the transverse plate is provided with an avoiding hole for allowing the suction bottle and the threaded rotating shaft to pass through.

Furthermore, the transverse plate is provided with a stand column, and the upper end of the stand column is provided with a shaft hole for the push rod to penetrate through.

Further, the moving frame is provided with a wire spool for coiling the negative pressure pipe.

Furthermore, a multifunctional valve is arranged on the negative pressure pipe, the multifunctional valve comprises a valve casing and a valve core, a valve cavity is arranged in the valve casing, one end of the valve cavity penetrates through the valve casing, an installation cover is arranged on the valve casing at the end, penetrating through the valve cavity, of the valve cavity, an electric telescopic rod is arranged in the installation cover, a piston which is sealed with the valve cavity and can slide along the valve cavity is arranged at the output end of the electric telescopic rod, the valve core is arranged in the valve cavity in a sliding mode along the horizontal direction, one end of the valve core is fixedly connected with the piston, a negative pressure pipe interface and a cleaning liquid pipe interface are arranged at one end of the valve casing, a first inlet and a second inlet are respectively arranged on the valve core corresponding to the negative pressure pipe interface and the cleaning liquid interface, in the process that the valve core moves left and right in the valve cavity, the negative pressure pipe interface and the first inlet and, the valve core at the side of the suction pipe interface is provided with an outlet corresponding to the suction pipe interface.

Furthermore, the bottom of the movable frame is provided with a self-locking roller.

The invention has the beneficial effects that:

according to the invention, the fixing component is pressed downwards by utilizing the gravity of the suction bottle, so that the slide block is pushed to move towards two sides by the inclined rod in the downward movement process of the fixing component, the rack and the gear are matched to drive the threaded rotating shaft to rotate, the threaded sliding sleeve is driven to move downwards by the rotation of the threaded rotating shaft, the support arm drives the first connecting arm and the second connecting arm to be combined in the downward movement process of the threaded sliding sleeve, and then the third connecting arm and the fourth connecting arm are linked to push the push rod to move forwards in the combining process of the first connecting arm and the second connecting arm, so that the push rods at two sides approach the suction bottle to clamp the suction bottle and prevent the suction bottle from toppling over.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a portable vacuum suction device for treating a wound surface in burn and plastic surgery provided by the invention;

FIG. 2 is a schematic structural view of a threaded sliding sleeve;

FIG. 3 is a view showing the connection among the first, second, third, fourth connecting arms and the push rod;

fig. 4 is a schematic view of the structure of the multifunctional valve.

Icon: 1-a movable frame, 2-a self-locking roller, 3-a negative pressure suction machine body, 4-a communication pipe, 5-an I-shaped frame, 6-a fixed table, 7-a suction bottle placing groove, 8-a suction bottle, 9-a spring, 10-a diagonal rod, 11-a slide rail, 12-a slide block, 13-a rack, 14-a gear, 15-a threaded rotating shaft, 16-a bearing seat, 17-a transverse plate, 18-a threaded sliding sleeve, 19-a support arm, 20-a first connecting arm, 21-a second connecting arm, 22-a third connecting arm, 23-a fourth connecting arm, 24-a push rod, 25-a pressing plate, 26-a slide groove, 27-a slide pin, 28-a negative pressure pipe, 29-a multifunctional valve, 2901-a valve shell, 2902-a valve core and 2903-a mounting cover, 2904 electric telescopic rod, 2905 piston, 2906 negative pressure pipe interface, 2907 cleaning liquid pipe interface, 2908 first inlet, 2909 second inlet, 2910 outlet, 2911 suction pipe interface, 30 column and 31 wire spool.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention 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 present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 3, the present embodiment provides a portable vacuum suction device for treating a wound surface in burn and plastic surgery, which includes a movable frame 1, wherein a self-locking roller 2 is installed on a lower bottom surface of the movable frame 1, so that the entire device is convenient to move and carry. The middle upper end of the movable frame 1 is provided with a beam, the beam is provided with a negative pressure suction machine main body 3, the negative pressure suction machine main body 3 is provided with a communicating pipe 4, the negative pressure suction machine main body 3 is the prior art, and redundant description is not repeated here.

The inner bottom center of the moving frame 1 is provided with a fixing component which can be lifted along the vertical direction and is used for placing an attraction bottle 8, the fixing component comprises an I-shaped frame 5 and a fixing table 6, the I-shaped frame 5 is welded at the inner bottom center of the moving frame 1, the bottom of the fixing table 6 is provided with an inner embedded groove, the top end of the I-shaped frame 5 is arranged in the inner embedded groove in a sliding manner, a limiting block is arranged at the notch of the inner embedded groove to prevent the I-shaped frame 5 from sliding out of the inner embedded groove, a spring 9 is sleeved on a vertical shaft of the I-shaped frame 5, the upper end of the spring 9 is fixedly welded with the lower bottom surface of the fixing table 6, the lower end of the spring 9 is welded with the upper top surface of the I-shaped frame 5, the upper top surface of the fixing table 6 is provided with an attraction bottle placing groove 7, the attraction bottle 8 is vertically placed in the attraction bottle placing, the suction bottle 8 is also provided with a negative pressure tube 28.

The left and right sides of fixed station 6 articulates through the free bearing activity has down tube 10 of mutual symmetry, the interior bottom surface that removes frame 1 uses I-shaped frame 5 to be the center of symmetry, bilateral symmetry is provided with along the slide rail 11 that the horizontal direction was arranged, it is provided with slider 12 to slide in the slide rail 11, slider 12 and down tube 10 keep away from the one end activity hinge joint of I-shaped frame 5, and the slider 12 is improved level and is provided with rack 13. The inner bottom surface of the moving frame 1 is symmetrically provided with a threaded rotating shaft 15 in a bilateral symmetry mode by taking the I-shaped frame 5 as a symmetric center, the bottom end of the threaded rotating shaft 15 is rotatably installed in a bearing seat 16 arranged on the inner bottom surface of the moving frame 1 through a bearing, so that the threaded rotating shaft 15 can rotate freely, the lower end of the threaded rotating shaft 15 is sleeved with a gear 14 in an interference fit mode, the gear 14 is meshed with the rack 13, when the sliding block 12 moves left and right along the sliding rail 11, the threaded rotating shaft 15 can be driven to rotate through the meshing of the rack 13 and the gear 14, the upper end of the threaded rotating shaft 15 is in threaded connection with a threaded sliding sleeve 18, two support arms 19 extending upwards are movably hinged on the threaded sliding sleeve 18, the two support arms 19 are mutually symmetrical and can be opened and closed freely at any angle in a V shape, and the top ends of the two support arms 19 are, first linking arm 20 and second linking arm 21 intercrossing articulates the structure that forms the scissors formula, and first linking arm 20 extends its length direction and is provided with spout 26, and the center of second linking arm 21 is provided with and follows the gliding sliding pin 27 of spout 26, and the one end that first linking arm 20 and second were trained linking arm 21 and kept away from support arm 19 articulates respectively has third linking arm 22 and fourth linking arm 23, the one end that first linking arm 19 was kept away from to third linking arm 22 and fourth linking arm 23 articulates in same pivot, and the interference cover of level is equipped with push rod 24 on this pivot, the terminal setting of push rod 24 is used for the butt attract the clamp plate 25 of bottle, clamp plate 25 is the arc, be convenient for and attract the outer wall contact of bottle 8 to reinforcing butt pressure effect.

For strengthening the stability of whole device, still be provided with diaphragm 17 on removing frame 1, diaphragm 17 is located the top of I-shaped frame 5, just be provided with on diaphragm 17 and be used for supplying the hole of dodging that attracts bottle 8 and screw thread pivot 15 to pass through, and when attracting 8 downstream of bottle to the minimum, the last top surface of fixed station 6 flushes with the last top surface of diaphragm 17, bilateral symmetry welding has stand 30 on diaphragm 17, the upper end of stand 30 is provided with the shaft hole, push rod 24 pass from the shaft hole and support in on the stand 30.

As can be seen from the above, the present embodiment provides a portable vacuum suction device for treating a wound surface in burn and plastic surgery, which operates according to the following principle:

the suction bottle 8 is put into the suction bottle placing groove 7, the fixed platform 6 is pressed downwards under the action of the gravity of the suction bottle 8, so that the spring 9 is compressed, the inclined rods 10 at two sides are opened outwards in the downward pressing motion process of the fixed platform 6, so that the slide block 12 is pushed to move towards two sides of the I-shaped frame 5 along the slide rail 11, the slide block 12 drives the rack 13 to move in the moving process, the rack 13 is meshed with the gear 14, so the gear 14 rotates under the action of the rack 13, the gear 14 is sleeved on the threaded rotating shaft 15 in an interference manner, the threaded rotating shaft 15 also rotates along with the movement of the rack 13, the threaded rotating shaft 15 rotates, so that the threaded sliding sleeve 18 at the top end of the threaded rotating shaft 15 moves downwards (the threaded sliding sleeve 18 cannot rotate because the threaded sliding sleeve 18 is limited by the support arms 19 and can only move upwards and downwards), the two open support arms 19 are gradually folded in the downward moving process of the threaded, therefore, the first connecting arm 20 and the second connecting arm 21 are also folded, because the end, located at the threaded rotating shaft 15, of the first connecting arm 20 and the end, located at the threaded rotating shaft 15, of the second connecting arm 21 are limited by the supporting arm 19, the end, far away from the threaded rotating shaft 15, of the first connecting arm 20 and the end, far away from the threaded rotating shaft 15, of the second connecting arm 21 move and fold towards one side of the third connecting arm 22 and one side of the fourth connecting arm 23 under the matching of the sliding pin 27 moving along the sliding groove 26, and when the first connecting arm 20 and the second connecting arm 21 are folded, the third connecting arm 22 and the fourth connecting arm 23 are also driven to fold and push the push rod 24 to move towards one side close to the suction bottle 8, when the suction bottle 8 is used to move to the lowest point, the pressure.

After the use is finished, the suction bottle 8 is taken out from the suction bottle placing groove 7, the fixing table 6 loses the action of gravity of the suction bottle 8, the fixing table 6 is jacked up by the spring 9, in the process of jacking up the fixing table 6, the inclined rod 10 drives the sliding blocks 12 on two sides to move towards one side of the I-shaped frame 5 along the sliding rail 11, in the moving process of the sliding blocks 12, the rack 13 is driven to be meshed with the gear 14 and is linked with the threaded rotating shaft 15 to rotate reversely, so that the threaded sliding sleeve 18 moves upwards, in the process of upward movement of the threaded sliding sleeve 18, the support arm 19, the first connecting arm 20, the second connecting arm 21, the third connecting arm 22, the fourth connecting arm 23 and the push rod 24 just do opposite actions, and the pressing plate 25 is opened.

In addition, in order to prevent the negative pressure tube 28 from scattering around and causing the negative pressure tube 28 to be knotted, the moving frame 1 is provided with a wire spool 31 for winding the negative pressure tube 28.

Meanwhile, in order to wash or disinfect the wound surface in some cases, a multifunctional valve 29 is disposed on the negative pressure pipe 28, as shown in fig. 4, the multifunctional valve 29 includes a valve housing 2901 and a valve plug 2902, a valve cavity is disposed in the valve housing 2901, one end of the valve cavity penetrates through the valve housing 2901, an installation cover 2903 is disposed on the valve housing 2901 at the end where the valve cavity penetrates, an electric telescopic rod 2904 is disposed in the installation cover 2903, a piston 2905 which is sealed with the valve cavity and can slide left and right along the valve cavity is disposed at an output end of the electric telescopic rod 2904, the valve plug 2902 is disposed in the valve cavity in a sliding manner along a horizontal direction, one end of the valve plug 2902 is fixedly connected with the piston 2905, the other end of the valve housing is spaced apart from the valve housing 2901 to facilitate left and right movement of the valve plug 2902, a negative pressure pipe interface 2906 and a cleaning solution pipe interface 2907 are disposed at one end, the cleaning liquid interface is externally connected with a device for containing cleaning liquid. The valve stem 2902 is provided with a first inlet 2908 and a second inlet 2909 corresponding to the negative pressure pipe interface 2906 and the cleaning solution interface respectively, the first inlet 2908 and the second inlet 2909 are spaced from each other, and when the valve stem 2902 moves left and right in the valve chamber, the negative pressure pipe interface 2906, the first inlet 2908, the cleaning solution pipe interface 2907 and the second inlet 2909 are alternately communicated with the inner cavity of the valve stem 2902, the valve housing 2901 is provided with a suction pipe interface 2911 on one side opposite to the negative pressure pipe interface 2906, the valve stem 2902 on the side of the suction pipe interface 2911 is provided with an outlet 2910 corresponding to the suction pipe interface 2911, and the outlet 2910 is connected with a suction pipe.

As can be seen from the above, when the negative pressure drainage needs to be performed on the wound surface, the electric telescopic rod 2904 is extended to push the valve plug 2902 to move right along the valve cavity, so that the cleaning solution pipe connector 2907 is blocked, and the negative pressure pipe connector 2906 is communicated with the first inlet 2908, and the suction pipe connector 2911 is communicated with the outlet 2910, thereby performing the negative pressure drainage operation;

when the wound needs to be cleaned and disinfected, the electric telescopic rod 2904 is retracted, the valve core 2902 moves leftwards along the valve cavity, then the negative pressure pipe interface 2906 is blocked, and the cleaning liquid pipe interface 2907 is communicated with the second inlet 2909 and the suction pipe interface 2911 is communicated with the outlet 2910, so that the cleaning and disinfecting operation is performed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a portable negative pressure suction device is used in treatment of burn plastic surgery's surface of a wound which characterized in that: the vacuum suction machine comprises a moving frame, wherein a negative pressure suction machine main body is arranged on the moving frame, and a communicating pipe is arranged on the negative pressure suction machine main body;

2. A portable negative pressure suction device for burn orthopedic wound treatment according to claim 1, characterized in that: the fixed assembly comprises an I-shaped frame arranged at the center of the inner bottom surface of the movable frame, a fixed table is arranged on the I-shaped frame in a sliding mode, a spring is fixedly arranged between the bottom surface of the fixed table and the top surface of the I-shaped frame, and an attraction bottle placing groove is formed in the fixed table.

3. A portable negative pressure suction device for burn orthopedic wound treatment according to claim 1, characterized in that: the movable frame is provided with a transverse plate above the I-shaped frame, and the transverse plate is provided with a avoiding hole for the suction bottle and the threaded rotating shaft to pass through.

4. A portable negative pressure suction device for burn orthopedic wound treatment according to claim 3, characterized in that: be provided with the stand on the diaphragm, the upper end of stand is provided with the shaft hole that is used for the push rod to run through.

5. A portable negative pressure suction device for burn orthopedic wound treatment according to claim 1, characterized in that: the movable frame is provided with a wire spool for coiling the negative pressure pipe.

6. A portable negative pressure suction device for burn orthopedic wound treatment according to claim 1, characterized in that: the multifunctional valve comprises a valve casing and a valve core, a valve cavity is arranged in the valve casing, one end of the valve cavity penetrates through the valve casing, an installation cover is arranged on the valve casing, the valve cavity penetrates through one end of the valve casing, an electric telescopic rod is arranged in the installation cover, a piston which is sealed with the valve cavity and can slide along the valve cavity is arranged at the output end of the electric telescopic rod, the valve core is arranged in the valve cavity in a sliding mode along the horizontal direction, one end of the valve core is fixedly connected with the piston, a negative pressure pipe interface and a cleaning liquid pipe interface are arranged at one end of the valve casing, a first inlet and a second inlet are respectively arranged on the valve core corresponding to the negative pressure pipe interface and the cleaning liquid interface, in the process that the valve core moves left and right in the valve cavity, the negative pressure pipe interface and the first inlet as well as the cleaning liquid pipe interface and the second inlet, the valve core at the side of the suction pipe interface is provided with an outlet corresponding to the suction pipe interface.

7. A portable negative pressure suction device for burn orthopedic wound treatment according to claim 1, characterized in that: and the bottom of the movable frame is provided with a self-locking roller.