CN108451551B

CN108451551B - Automatic scab grinding device

Info

Publication number: CN108451551B
Application number: CN201710090042.2A
Authority: CN
Inventors: 赵冉
Original assignee: Individual
Current assignee: Wang Yibing
Priority date: 2017-02-20
Filing date: 2017-02-20
Publication date: 2021-02-26
Anticipated expiration: 2037-02-20
Also published as: CN108451551A

Abstract

The invention discloses an automatic eschar grinding device, which solves the problems of low eschar grinding efficiency and small eschar grinding area in the prior art, and has the effects of high eschar grinding efficiency, good eschar grinding effect and controllable grinding pressure, and the technical scheme is as follows: the grinding machine comprises a handle, a rotating shaft, a shell and a grinding head, wherein the bottom of the shell is provided with the detachable grinding head, the upper surface of the grinding head is provided with the rotating shaft, the rotating shaft penetrates through the top of the shell, and the handle is arranged at the upper part of the rotating shaft; the motor is arranged in the handle and is connected with the rotating shaft through a coupler; the shell is provided with an outlet I and an outlet II, and the outlet I and the outlet II are respectively connected with a negative pressure suction device and a water pipe.

Description

Automatic scab grinding device

Technical Field

The invention relates to the technical field of medical instruments, in particular to an automatic eschar grinding device.

Background

Burn wound treatment is an important link throughout the entire burn treatment process. The general treatment principle is to protect the wound surface and reduce exudation; preventing and controlling wound infection, and selecting appropriate topical antibacterial agent for wound; the tissue losing vitality is removed as soon as possible, and the wound surface is immediately sealed by various methods; actively preventing scar contracture deformity in later stage of burn, and striving to recover function and appearance to the maximum extent.

The wound treatment method is different for different degrees of burn. No special treatment is needed for the I-degree burn; wrapping treatment is adopted for superficial II degree burn; for infection of deep II-degree wound surface, timely removing crust, semi-exposing or bandaging the wound surface, removing or eliminating necrotic tissue of the wound surface after 3 weeks or predicting deep II-degree burn which can not be self-healed within 3 weeks, and grafting skin on a new basis to shorten healing time and obtain good functional recovery; in the case of III degree burn, the wound surface can be destroyed only by transplanting autologous skin sheets with large area, and the exposure therapy is taken immediately after the burn, and eschar (necrotic tissue) and skin grafting are cut off in batches according to plan. It can be seen that when the burn reaches the deep II degree, the wound needs to be scabbed, so that the early and accurate removal of necrotic tissue from the burn wound is a key problem for successful treatment of skin burn.

In the prior art, the scab grinding treatment of the burn wound surface mostly adopts a mode of manually operating a scab grinding device, and has low scab grinding efficiency and small scab grinding area; high heat generated in the scab grinding process of the electric scab grinder can cause secondary damage to wounds of patients and influence the scab grinding effect. In conclusion, the prior art lacks an effective solution for the scab grinding problem of burn wounds.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides an automatic scab grinding device which has the characteristics of high scab grinding efficiency, good scab grinding effect and controllable grinding pressure.

The invention adopts the following technical scheme:

an automatic scab grinding device comprises a handle, a rotating shaft, a shell and a grinding head, wherein the bottom of the shell is provided with the detachable grinding head, the upper surface of the grinding head is provided with the rotating shaft, the rotating shaft penetrates through the top of the shell, and the upper part of the rotating shaft is provided with the handle; the motor is arranged in the handle and is connected with the rotating shaft through a coupler; the shell is provided with an outlet I and an outlet II, and the outlet I and the outlet II are respectively connected with a negative pressure suction device and a water pipe.

Furthermore, a first chamber, a second chamber, a third chamber and a fourth chamber are arranged in the shell, and the cross sections of the first chamber, the second chamber, the third chamber and the fourth chamber are concentric rings; and the top parts of the first chamber, the second chamber, the third chamber and the fourth chamber are provided with partition plates.

Furthermore, the first chamber, the second chamber, the third chamber and the fourth chamber are sequentially arranged from inside to outside.

Further, the inside of baffle be equipped with four through-holes, the bottom of four through-holes communicate with first cavity, second cavity, third cavity and fourth cavity respectively, the top of four through-holes be equipped with connector I, connector II, connector III and connector IV respectively.

Further, the outlet I is connected with a connecting pipe II and a connecting pipe IV through a tee joint, the connecting pipe II is communicated with the connector II, and the connecting pipe IV is communicated with the connector IV; export II pass through the tee bend and be connected with connecting pipe III and connecting pipe I, connecting pipe III and connector III intercommunication, connecting pipe I and connector I intercommunication.

Furthermore, the inside of the handle is a cavity, and a bearing is arranged between the rotating shaft and the handle; the handle is a semi-ellipsoid or a cylinder, and the grinding force and the grinding position are controlled by holding the handle.

Furthermore, a cylindrical cavity is arranged in the middle of the shell, the rotating shaft penetrates through the cylindrical cavity, and the diameter of the cylindrical cavity is larger than that of the rotating shaft; the top of pivot and casing between be clearance fit, the casing can not take place to rotate when the pivot drives the grinding head rotation.

Furthermore, the lower surface of the grinding head is provided with a plurality of bulges and circular holes I and circular holes II which are uniformly distributed in a circular ring shape, the circular holes I and the circular holes II are arranged at intervals, and the circular holes I are used for spraying water, so that the temperature between the grinding head and the skin in the process of grinding necrotic skin is reduced, and secondary damage to the skin of a patient caused by overhigh temperature is prevented; the round hole II is communicated with the negative pressure suction device and is used for absorbing abraded necrotic tissues to keep the surface of the skin clean.

Furthermore, the lower parts of the first chamber and the third chamber are communicated with the round hole II, and the lower parts of the second chamber and the fourth chamber are communicated with the round hole I.

Furthermore, the motor is connected with an external power supply through a power line, and the motor drives the rotating shaft to rotate so as to drive the grinding head to rotate, so that automatic grinding is realized.

Compared with the prior art, the invention has the beneficial effects that:

1. the lower surface of the grinding head is provided with a plurality of bulges, so that the grinding area is large; the grinding head is internally provided with round holes I and round holes II which are distributed at intervals and are respectively communicated with the water pipe and the negative pressure suction device, so that water can be sprayed and abraded necrotic skin can be absorbed simultaneously in the grinding process, high heat brought in the grinding process can be reduced, and the necrotic skin can be cleaned timely;

2. according to the invention, the grinding head is driven to rotate by the motor, so that when a medical worker holds the handle by hand, the grinding position and the grinding force are only required to be controlled, manual grinding in the prior art is replaced, and the physical strength of the medical worker is saved;

3. the grinding head of the present invention can be replaced according to the damaged condition of the skin.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic cross-sectional view A-A of the present invention;

FIG. 4 is a bottom view of the present invention;

FIG. 5 is a schematic view of a grinding head with trapezoidal protrusions of the present invention;

the grinding machine comprises a handle 1, a rotating shaft 2, a shell 3, a grinding head 4, a partition plate 5, an outlet I6, a connecting pipe II7, a connecting pipe IV8, a connecting pipe IV 9, a connecting head II 10, a connecting head IV 11, a first cavity 12, a second cavity 13, a connecting head I14, a connecting pipe I15, an outlet II16, a connecting pipe III17, a connecting head III 18, a third cavity 19, a fourth cavity 19, a motor 20, a coupler 21, a bearing 22, a power line 23, a round hole II24, a round hole I25, a round hole I26 and a cylindrical cavity 26.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As described in the background art, the prior art has the defects of low scab grinding efficiency, small scab grinding area and the like, and the invention provides an automatic scab grinding device in order to solve the technical problems.

In a typical embodiment of the present invention, as shown in fig. 1-4, an automatic eschar grinding device is provided, which comprises a handle 1, a rotating shaft 2, a housing 3 and a grinding head 4, wherein the bottom of the housing 3 is provided with the detachable grinding head 4, the upper surface of the grinding head 4 is provided with the rotating shaft 2, the rotating shaft 2 passes through the top of the housing 3, and the handle 1 is arranged at the upper part of the rotating shaft 2; a motor 20 is arranged in the handle 1, and the motor 20 is connected with the rotating shaft 2 through a coupler 21; the shell body 1 is provided with an outlet I6 and an outlet II15, the outlet I6 is connected with a negative pressure suction device, the outlet II15 is connected with a water pipe, or the outlet II15 is connected with the negative pressure suction device, and the outlet I6 is connected with the water pipe.

The bottom of the inner wall of the shell 3 is provided with a groove, the upper surface of the grinding head 4 is provided with a bulge matched with the groove, the grinding head 4 is arranged on the shell 3 through the bulge, and the groove and the bulge are in clearance fit.

A first chamber 11, a second chamber 12, a third chamber 18 and a fourth chamber 19 are arranged in the shell 3, and the cross sections of the first chamber 11, the second chamber 12, the third chamber 18 and the fourth chamber 19 are concentric circular rings; the top parts of the first chamber 11, the second chamber 12, the third chamber 18 and the fourth chamber 19 are provided with a partition plate 5. The first chamber 11, the second chamber 12, the third chamber 18 and the fourth chamber 19 are arranged from inside to outside in sequence.

The housing 3 may have a plurality of chambers, not limited to four chambers, as long as the chambers connected to the negative pressure suction device and the water pipe are spaced apart from each other.

The inside of foretell baffle 5 is equipped with four through-holes, the bottom of four through-holes communicate with first cavity 11, second cavity 12, third cavity 18 and fourth cavity 19 respectively, the top of four through-holes be equipped with connector I13, connector II9, connector III17 and connector IV10 respectively.

The outlet I6 is connected with a connecting pipe II7 and a connecting pipe IV8 through a tee joint, the connecting pipe II7 is communicated with a connector II9, and the connecting pipe IV8 is communicated with a connector IV 10; export II15 be connected through tee bend and connecting pipe III16 and connecting pipe I14, connecting pipe III16 and connector III17 intercommunication, connecting pipe I14 and connector I13 intercommunication.

The inside of the handle 1 is a cavity, and a bearing 22 is arranged between the rotating shaft 2 and the handle 1; the handle 1 is a semi-ellipsoid, the bottom of the handle is an elliptical plane, and the grinding force and the grinding position are controlled by holding the handle 1.

The shell 3 is a semi-ellipsoid, and the volume of the shell 3 is larger than that of the handle 1.

A cylindrical cavity is arranged in the middle of the shell 3, the rotating shaft 2 penetrates through the cylindrical cavity, and the diameter of the cylindrical cavity is larger than that of the rotating shaft 2; the top of the rotating shaft 2 and the top of the shell 3 are in clearance fit, and the shell 2 cannot rotate when the rotating shaft 2 drives the grinding head 4 to rotate.

The lower surface of the grinding head 4 is provided with a plurality of circular arc-shaped protrusions, circular holes I25 and circular holes II24 which are uniformly distributed in a circular ring shape, the circular holes I25 and the circular holes II24 are arranged at intervals, the lower parts of the first chamber 11 and the third chamber 18 are communicated with the circular holes II24, and the lower parts of the second chamber 12 and the fourth chamber 19 are communicated with the circular holes I24. The round hole I25 is used for spraying water, so that the temperature between the grinding head 4 and the skin in the process of grinding necrotic skin is reduced, and secondary damage to the skin of a patient caused by overhigh temperature is prevented; the round hole II24 is communicated with a negative pressure suction device and is used for absorbing abraded necrotic tissues to keep the skin surface clean.

The circular arc-shaped bulges can be closely arranged or spaced at a certain distance according to the situation of wound scabbing. In order to further improve the scab grinding effect, a plurality of small circular bulges can be arranged on the surfaces of the circular arc bulges to increase the contact area with the skin.

The motor 20 is connected with an external power supply through a power line 23, and the motor 20 drives the rotating shaft 2 to rotate so as to drive the grinding head 4 to rotate, so that automatic grinding is realized.

The middle position of the bottom of the grinding head 4 can be provided with a camera which is connected with an external host, and the cleaning condition of necrotic tissues can be visually observed through the host.

When the burn wound surface is cleaned, the negative pressure suction device and the water pipe are connected, the motor 20 is connected with a power supply through the power line 23, the rotating shaft 2 drives the grinding head 4 to rotate, an operator holds the handle 1 to control grinding pressure, and water is sprayed out from the circular hole I25 in the wound surface treatment process, so that the temperature between the grinding head 4 and the wound surface is reduced, and secondary damage to the wound surface caused by high temperature is avoided; the negative pressure suction device extracts the abraded necrotic tissues through the round hole II24, so that the wound surface is kept clean in the treatment process.

In another embodiment of the invention, the handle 1 is a cylinder, and the shell 3 is a hemisphere; the lower surface of the grinding head 4 is provided with a plurality of trapezoidal bulges, the middle of each trapezoidal bulge is thick, and the two sides of each trapezoidal bulge are thin, as shown in figure 5. The trapezoidal bulge can also be provided with a plurality of small bulges so as to increase the contact area.

In another embodiment of the present invention, a groove is formed on a side surface of the inner wall of the housing 3, the grinding head 4 is disposed in the groove, and the grinding head 4 is driven by the motor 20 to rotate relative to the groove.

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. An automatic scab grinding device is characterized by comprising a handle, a rotating shaft, a shell and a grinding head, wherein the bottom of the shell is provided with the detachable grinding head, the upper surface of the grinding head is provided with the rotating shaft, the rotating shaft penetrates through the top of the shell, and the upper part of the rotating shaft is provided with the handle; the motor is arranged in the handle and is connected with the rotating shaft through a coupler; the shell is provided with an outlet I and an outlet II, and the outlet I and the outlet II are respectively connected with a negative pressure suction device and a water pipe;

the shell can not rotate when the rotating shaft drives the grinding head to rotate;

a first chamber, a second chamber, a third chamber and a fourth chamber are arranged in the shell, and the cross sections of the first chamber, the second chamber, the third chamber and the fourth chamber are concentric rings; the top parts of the first chamber, the second chamber, the third chamber and the fourth chamber are provided with partition plates; the first chamber, the second chamber, the third chamber and the fourth chamber are sequentially arranged from inside to outside; the inner part of the partition board is provided with four through holes, the bottoms of the four through holes are respectively communicated with the first cavity, the second cavity, the third cavity and the fourth cavity, and the tops of the four through holes are respectively provided with a connector I, a connector II, a connector III and a connector IV; the outlet I is connected with a connecting pipe II and a connecting pipe IV through a tee joint, the connecting pipe II is communicated with the connector II, and the connecting pipe IV is communicated with the connector IV; the outlet II is connected with a connecting pipe III and a connecting pipe I through a tee joint, the connecting pipe III is communicated with the connector III, and the connecting pipe I is communicated with the connector I;

the lower surface of the grinding head is provided with a plurality of trapezoidal bulges, the middle of each trapezoidal bulge is thick, and the two sides of each trapezoidal bulge are thin, and the trapezoidal bulge is also provided with a plurality of small bulges.

2. The automatic eschar grinder of claim 1, wherein the handle has a cavity therein, and a bearing is disposed between the shaft and the handle.

3. The automatic eschar grinder of claim 1, wherein a cylindrical cavity is provided at a middle position of the housing, the rotating shaft passes through the cylindrical cavity, and the diameter of the cylindrical cavity is larger than that of the rotating shaft; the rotating shaft is in clearance fit with the top of the shell.

4. The automatic eschar grinding device as claimed in claim 1, wherein the lower surface of the grinding head is provided with a plurality of circular holes I and II which are uniformly distributed in a circular ring shape, and the circular holes I and II are arranged at intervals.

5. The automatic eschar grinder of claim 4, wherein the lower portions of the first and third chambers communicate with round hole II, and the lower portions of the second and fourth chambers communicate with round hole I.

6. The automatic eschar grinder of claim 1, wherein the motor is connected to an external power source via a power cord.