CN111214751A

CN111214751A - Intelligent skin expander

Info

Publication number: CN111214751A
Application number: CN202010171225.9A
Authority: CN
Inventors: 王平山; 毛兆虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-06-02

Abstract

The invention discloses an intelligent skin expander, which comprises: the expansion bag comprises an expansion bag body and a shell body, wherein the shell body is arranged inside the expansion bag body, and a gas generator is arranged in the shell body and communicated with the expansion bag body; a battery disposed within the housing and electrically connected to the gas generator; the first controller is arranged outside the shell and is in wireless connection with the gas generator. The expansion capsule is placed in the position where the skin needs to be cut, and after the skin is sutured and fixed, the first controller in vitro is utilized to control the gas generator to generate gas, so that the expansion capsule is expanded, and the purpose of expanding the skin is achieved. This intelligence skin expander can accomplish the operation through external first controller, and intelligent degree is high, easily operates to the expansion bag is buried in human skin below completely, does not communicate with the external world, can reduce complications such as wound infection that traditional skin expander leads to, has improved the safety in utilization.

Description

Intelligent skin expander

Technical Field

The invention relates to the technical field of medical instruments, in particular to an intelligent skin expander.

Background

In clinical work, a patient with large-area skin defect often meets the skin defect, the skin grafting operation is often needed to repair the defect skin, the skin grafting of small area can be cut at will on the body, however, the skin grafting of large area does not have enough skin, a skin expander is often needed to be implanted in the patient before the operation, the skin expansion is realized, and therefore the skin grafting requirement of the patient with large-area skin defect is met.

Currently, most of the skin dilators commonly used in clinic are balloon water injection type skin dilators (see fig. 1), an expandable balloon is mainly implanted at a position where skin is to be taken, the balloon is communicated with an external injector through a connecting pipe, water is periodically injected into the balloon through the injector, and the skin is dilated through the expansion of the balloon to reach the required area.

However, the connecting pipe of the water injection type balloon skin dilator is arranged outside the body, so that the risk of wound infection exists; balloon dilation requires a specialized physician to operate, and there are certain risks to the patient handling himself, including skin necrosis, incomplete dilation, etc.

Therefore, how to provide an intelligent skin expander which can reduce the risk of wound infection and is easy to operate is a problem which needs to be solved by the technical personnel in the field.

Disclosure of Invention

In view of the above, the present invention provides an intelligent skin expander which can reduce the risk of wound infection and is easy to operate.

In order to achieve the purpose, the invention adopts the following technical scheme:

an intelligent skin expander comprising:

the expansion of the balloon is carried out,

the shell is arranged inside the expansion bag, and a gas generator is arranged in the shell and communicated with the expansion bag;

a battery disposed within the housing and electrically connected to the gas generator;

the first controller is arranged outside the shell and is in wireless connection with the gas generator.

According to the technical scheme, compared with the prior art, the invention discloses and provides the intelligent skin expander, the expansion bag is placed in the position where the skin needs to be cut, after the skin is sutured and fixed, the first controller outside the body is used for controlling the gas generator to generate gas, so that the expansion bag is expanded, and the purpose of expanding the skin is achieved. This intelligence skin expander can accomplish the operation through external first controller, and intelligent degree is high, easily operates to the expansion bag is buried in human skin below completely, does not communicate with the external world, can reduce complications such as wound infection that traditional skin expander leads to, has improved the safety in utilization.

Further, the gas generator includes:

the citric acid liquid storage cavity is arranged at the bottom inside the shell, and is filled with citric acid liquid, and the citric acid liquid storage cavity is communicated with the expansion capsule;

the calcium carbonate storage cavity is arranged in the shell and is positioned above the citric acid liquid storage cavity, a plurality of calcium carbonate solid blocks which are vertically arranged are filled in the calcium carbonate storage cavity, and the calcium carbonate storage cavity is blocked and communicated with the citric acid liquid storage cavity through a valve;

the electric push rod is fixedly arranged in the calcium carbonate storage cavity, the telescopic end of the electric push rod is abutted against the calcium carbonate solid block and used for pushing the calcium carbonate solid block to the valve, and the electric push rod is electrically connected with the battery;

and the second controller is arranged in the shell, is electrically connected with the electric push rod, the battery and the valve and is wirelessly connected with the first controller.

The beneficial effect who adopts above-mentioned technical scheme to produce is that, first controller sends command signal to the second controller, and the second controller promotes calcium carbonate solid piece to valve removal according to the flexible end of the signal control electric putter that receives, and the second controller control valve opens simultaneously, and when the valve position was moved to the preceding calcium carbonate solid piece, drop to citric acid stock solution intracavity through the valve to take place chemical reaction with citric acid liquid and produce carbon dioxide gas, carbon dioxide gas fills makes its expansion in the expansion bag, thereby accomplishes the expansion of skin.

Further, the citric acid liquid storage cavity is communicated with the expansion capsule through a semipermeable membrane.

The beneficial effect who adopts above-mentioned technical scheme to produce is that, the setting of pellicle can only allow gas to pass through, and liquid can not pass through to realized that carbon dioxide gas permeable pellicle enters into in the expansion bag, and then accomplished the expansion of expansion bag.

Furthermore, the telescopic end of the electric push rod is fixedly connected with a vertical push plate, and one side of the vertical push plate, which is far away from the telescopic end, is abutted against the side end of the calcium carbonate solid block.

The beneficial effects who adopts above-mentioned technical scheme to produce are that, the homogeneity of the thrust of flexible end effect on the solid piece of calcium carbonate has been guaranteed in the setting of vertical push pedal, avoids producing the breakage because of the calcium carbonate solid piece atress is uneven.

Further, still include the spring, spring one end with keep away from electric putter's chamber wall fixed connection, the other end is connected with the ejector pad, the ejector pad with keep away from electric putter side the calcium carbonate fixed block butt.

The beneficial effect who adopts above-mentioned technical scheme to produce is that, the setting of spring can avoid when electric putter promotes the solid piece of calcium carbonate and removes, and the calcium carbonate fixed block takes place to empty and influence the normal use problem of skin expander.

Furthermore, the battery is a lithium-iodine battery, is harmless to human bodies and improves safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a conventional dilator provided by the present invention.

Fig. 2 is a schematic structural diagram of an intelligent skin expander provided by the invention.

Wherein: the device comprises a 1-expansion capsule, a 2-shell, a 3-gas generator, a 31-citric acid liquid storage cavity, a 32-calcium carbonate storage cavity, a 33-electric push rod, a 34-second controller, a 35-semipermeable membrane, a 36-vertical push plate, a 37-spring, a 38-push block, a 301-citric acid liquid, a 302-calcium carbonate solid block, a 303-valve, a 4-battery and a 5-first controller.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The embodiment of the invention discloses an intelligent skin expander, which comprises:

the expansion bag (1) is provided with a plurality of expansion holes,

the shell 2 can be adhered to the inner bag wall of the expansion bag 1, a gas generator 3 is arranged in the shell 1, and the gas generator 3 is communicated with the expansion bag 2;

a battery 4, the battery 4 is arranged in the shell 1 and is electrically connected with the gas generator 3;

and the first controller 5 is arranged outside the shell 1, and the first controller 5 is wirelessly connected with the gas generator 3.

Wherein, the gas generator 3 includes:

a citric acid liquid storage cavity 31, wherein the citric acid liquid storage cavity 31 is arranged at the bottom inside the shell 2, the citric acid liquid storage cavity 31 is filled with citric acid liquid 301, and the citric acid liquid storage cavity 31 is communicated with the expansion capsule 2;

the calcium carbonate storage cavity 32 is arranged in the shell 1 and is positioned above the citric acid liquid storage cavity 31, a plurality of calcium carbonate solid blocks 302 which are vertically arranged are filled in the calcium carbonate storage cavity 32, and the calcium carbonate storage cavity 32 and the citric acid liquid storage cavity 31 are blocked and communicated through a valve 303;

the electric push rod 33, the electric push rod 33 is fixedly installed in the calcium carbonate storage cavity 32, the telescopic end of the electric push rod 33 is abutted against the calcium carbonate solid block 302 and used for pushing the calcium carbonate solid block 302 to the valve 303, and the electric push rod 33 is electrically connected with the battery 4;

and the second controller 34 is arranged in the shell 2, is electrically connected with the electric push rod 33, the battery 4 and the valve 303, and is wirelessly connected with the first controller 5.

The citric acid liquid storage cavity 31 is communicated with the expansion capsule 1 through a semipermeable membrane 35.

The telescopic end of the electric push rod 33 is fixedly connected with a vertical push plate 36, and one side of the vertical push plate 36, which is far away from the telescopic end, is abutted against the side end of the calcium carbonate solid block 302.

The invention also comprises a spring 37, one end of the spring 37 is fixedly connected with the cavity wall far away from the electric push rod 33, the other end of the spring 37 is connected with a push block 38, and the push block 38 is abutted against the calcium carbonate fixing block 302 far away from the electric push rod 33.

The battery 4 is a lithium-iodine battery.

The principle of the intelligent skin dilator of the invention is as follows:

firstly, placing an expansion bag into a part needing to be cut into skin, sewing and fixing, and then sending a control command to a second controller by using an external first controller, wherein the second controller controls an electric push rod to act and a valve to open according to a received signal command, the electric push rod pushes a calcium carbonate solid block to move towards a through hole, at the moment, a spring is compressed, the spring can prevent the calcium carbonate solid block from toppling over in the moving process, the calcium carbonate solid block can be ensured to smoothly drop into a citric acid liquid storage cavity through the valve, and when the previous calcium carbonate solid block drops into the citric acid liquid storage cavity through the valve, a push block on the spring is abutted against the next calcium carbonate solid block, so that the next calcium carbonate solid block cannot topple over; after the calcium carbonate solid block falls into the citric acid liquid storage cavity, the calcium carbonate solid block and the citric acid liquid undergo a chemical reaction to generate carbon dioxide gas, and the carbon dioxide gas is filled into the expansion capsule through the semipermeable membrane to expand the capsule body to a required size. It needs to be noted that the device need keep the horizontality during operation to guarantee that the calcium carbonate fixed block can utilize self gravity to fall into citric acid stock solution intracavity smoothly through the valve.

The intelligent skin expander has the following effects:

1. the skin expander completely embeds the expansion capsule under the skin, is not communicated with the outside, and can effectively avoid complications such as wound infection and the like caused by the traditional skin expander.

2. The skin expander expands skin through gas generated by chemical reaction, and the generated gas amount can be accurately controlled, so that the expansion volume of the expansion bag is accurately controlled, and the skin expansion area is more accurate (for example, an electric push rod can be controlled to push one or more calcium carbonate solid blocks into a citric acid liquid storage cavity, so that the generation amount of carbon dioxide gas is controlled);

3. the skin expander is operated through the first controller of the body, data can be set in advance, recorded at any time and continuously transmitted, and even can be remotely controlled, so that doctors can observe the illness state of patients, and related complications can be prevented and treated.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An intelligent skin expander, comprising:

an expansion bag (1) is arranged on the upper portion of the bag,

the expansion bag comprises a shell (2), wherein the shell (2) is arranged inside the expansion bag (1), a gas generator (3) is arranged in the shell (1), and the gas generator (3) is communicated with the expansion bag (2);

a battery (4), said battery (4) being disposed within said housing (1) and being electrically connected to said gas generator (3);

a first controller (5), the first controller (5) is arranged outside the shell (1) and is wirelessly connected with the gas generator (3).

2. An intelligent skin expander as claimed in claim 1, wherein said gas generator (3) comprises:

the citric acid liquid storage cavity (31) is formed in the bottom of the interior of the shell (2), citric acid liquid (301) is filled in the citric acid liquid storage cavity (31), and the citric acid liquid storage cavity (31) is communicated with the expansion capsule (2);

the calcium carbonate storage cavity (32) is arranged inside the shell (1) and is positioned above the citric acid liquid storage cavity (31), a plurality of calcium carbonate solid blocks (302) which are vertically arranged are filled in the calcium carbonate storage cavity (32), and the calcium carbonate storage cavity (32) is blocked and communicated with the citric acid liquid storage cavity (31) through a valve (303);

the electric push rod (33), the electric push rod (33) is fixedly installed in the calcium carbonate storage cavity (32), the telescopic end of the electric push rod (33) is abutted to the calcium carbonate solid block (302) and used for pushing the calcium carbonate solid block (302) to the valve (303), and the electric push rod (33) is electrically connected with the battery (4);

the second controller (34) is arranged in the shell (2), and is electrically connected with the electric push rod (33), the battery (4) and the valve (303) and is wirelessly connected with the first controller (5).

3. An intelligent skin expander as claimed in claim 2, wherein the citric acid reservoir (31) is in communication with the expansion capsule (1) through a semi-permeable membrane (35).

4. An intelligent skin expander as claimed in claim 2, wherein the telescopic end of the electric push rod (33) is fixedly connected with a vertical push plate (36), and the side of the vertical push plate (36) far away from the telescopic end abuts against the side end of the calcium carbonate solid block (302).

5. An intelligent skin expander as claimed in claim 4, further comprising a spring (37), wherein one end of the spring (37) is fixedly connected with the cavity wall far away from the electric push rod (33), the other end of the spring is connected with a push block (38), and the push block (38) abuts against the calcium carbonate fixing block (302) far away from the electric push rod (33).

6. A smart skin expander as claimed in any one of claims 1 to 5 and wherein said battery (4) is a lithium-iodine battery.