CN215128460U

CN215128460U - Improved skin mirror

Info

Publication number: CN215128460U
Application number: CN202120463836.0U
Authority: CN
Inventors: 俞颖哲; 何磊杰; 范欣
Original assignee: Ningbo First Hospital
Current assignee: Ningbo First Hospital
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-12-14
Anticipated expiration: 2031-03-03

Abstract

The utility model relates to an improved skin mirror, which comprises a handle and a lens cone; the lens barrel is fixed on the handle, and is provided with a first barrel part and a second barrel part which are fastened together, an ocular lens and an objective lens are arranged in an inner cavity of the first barrel part, and a lens is arranged in an inner cavity of the second barrel part; the skin-contact device further comprises a contact element used for being in contact with the skin, the contact element is provided with a through cavity with an upper opening and a lower opening, the upper opening of the through cavity is communicated with the inner cavity of the second cylinder part, the upper end of the contact element is fastened at the lower end of the second cylinder part, and the lower end of the contact element and the part which is in contact with the skin are made of elastic materials. By arranging the contact piece, the lower part of the contact piece is made of elastic material, when the surface of the skin to be inspected is uneven, the lower part of the contact piece is contacted with the surface of the skin, so that the skin mirror can be stably placed on the skin and can be easily placed at a proper angle; in addition, the contact piece has a certain height, so that the imaging and the observation of the skin surface condition are facilitated.

Description

Improved skin mirror

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an improved generation dermatoscope.

Background

Skin scopes are commonly used by dermatologists during the course of treatment, particularly to diagnose the nature of a rash.

A dermoscope, also known as an epitopic light transmission microscope, is a common medical instrument used for dermatological diagnosis. The skin mirror is mainly used for amplifying pathological change parts possibly existing on the skin surface through a skin microscope, so that doctors can conveniently and quickly diagnose the health state of the skin surface and the superficial surface of a patient. Particularly, present skin mirror mainly includes handle and lens cone, and the lens cone is fixed on the handle, has seted up the mirror chamber and the observation chamber that link up each other in the lens cone, and the bottom in mirror chamber is provided with the lens, is provided with objective in the top of lens, and objective fixes in the mirror chamber, and the top of objective is provided with the eyepiece, and the eyepiece is located the observation intracavity. When in use, a doctor tightly attaches the lens to the skin of a patient, and then observes the skin condition of the patient through the ocular lens of the skin mirror.

The main principle of the existing skin mirror is as follows: the lens (i.e. objective) of the dermatoscope can be manually adjusted, and during diagnosis, a doctor needs to manually adjust the distance between the lens and the skin of a patient so as to achieve the effect of adjusting the focal length of the dermatoscope.

For example, chinese patent application CN108403089A discloses a handheld dermatoscope, which includes a handle and a lens barrel, the lens barrel is fixed on the handle, the lens barrel is internally provided with a lens cavity, an observation cavity, and an annular illumination groove, the lens cavity is communicated with the observation cavity, the observation cavity is communicated with the annular illumination groove, the bottom of the lens cavity is fixed with a lens, an objective lens is arranged above the lens, the objective lens is fixed in the lens cavity, an ocular lens is arranged above the objective lens, one side of the lens cavity is provided with a first adjustment groove, the handle is internally provided with a second adjustment groove, the first adjustment groove is communicated with the second adjustment groove, one side of the ocular lens close to the first adjustment groove is fixedly connected with a threaded block, and the threaded block is screwed on the threaded rod.

However, the hand-held dermoscope in the above-mentioned patent application CN108403089A has the following problems: firstly, the lower part of the lens cone is made of a harder material, so that when the positions with rough surfaces, such as the nose part, the canthus, the external auricle and the like, are observed, the skin mirror is not easy to be attached to the corresponding position, so that the skin mirror is not placed stably, imaging is influenced, and observation is not convenient; secondly, the skin of the patient is close to the lens of the skin mirror, so that the skin of the patient is easy to contact with the lens to pollute the lens, and the skin is inconvenient to image because the skin is close to the objective lens.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an improved generation skin mirror of being convenient for stably put at unevenness skin surface, being convenient for form images is provided to above-mentioned prior art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an improved dermoscope comprising:

a handle;

the lens barrel is fixed on the handle and provided with a first barrel part and a second barrel part which are fastened together, the first barrel part and the second barrel part are provided with inner cavities, the inner cavities of the first barrel part and the second barrel part are communicated, an ocular lens and an objective lens are arranged in the inner cavity of the first barrel part, the ocular lens is close to the upper end of the first barrel part, the objective lens is positioned below the ocular lens, a lens is arranged in the inner cavity of the second barrel part, and the lens is close to the lower end of the second barrel part;

the skin-contact device is characterized by further comprising a contact piece for contacting with the skin, wherein the contact piece is provided with a through cavity with an upper opening and a lower opening, the upper opening of the through cavity is communicated with the inner cavity of the second cylinder part, the upper end of the contact piece is fastened at the lower end of the second cylinder part, and the lower end of the contact piece and the part contacting with the skin are made of elastic materials.

In the present invention, the elastic material used for the skin contacting the skin may be various, and preferably, the elastic material is silica gel.

The contact member may have various shapes, and preferably, the contact member includes a first cylindrical portion and a second cylindrical portion penetrating each other, an upper portion of the first cylindrical portion is connected to a lower end of the second cylindrical portion, an upper portion of the second cylindrical portion communicates with a lower portion of the first cylindrical portion, a radial dimension of an annular wall forming the second cylindrical portion is smaller than a radial dimension of an annular wall forming the first cylindrical portion, and a portion of the second cylindrical portion for contacting the skin is made of an elastic material.

In order to facilitate the detachment and installation of the contact piece, the contact piece is detachably fastened to the lower end of the second cylinder part. Thus, when the skin condition of the next patient is checked, the old contact piece is detached and replaced by a new contact piece, so that the contact device is sanitary and can prevent cross infection among patients.

The detachable connection of the contact element to the second tubular portion can have various configurations, and preferably the contact element is connected to the lower end of the second tubular portion by a snap-fit arrangement.

The clamping structure can have multiple structural style, preferably, the upper portion of contact has the reference column that upwards extends, the lower extreme of second section of thick bamboo portion has the constant head tank with reference column cooperation joint, reference column and constant head tank constitution the clamping structure.

Preferably, the end of the portion of the contact member for contacting the skin has a hollow cylindrical shape.

Compared with the prior art, the utility model has the advantages of: by arranging the contact element, the lower part of the contact element is made of elastic material, when the surface of the skin to be checked is uneven, the part of the lower part of the contact element made of the elastic material is abutted against the surface of the skin, and the part can be elastically compressed and deformed under pressure, so that the skin mirror can be stably placed on the skin and can be easily placed at a proper angle; in addition, because the contact piece has certain height, the lens is not easy to be polluted, and after the lower part of the contact piece is abutted to the skin, a certain distance is reserved between the skin and the objective lens of the skin mirror, so that the distance between the objective lens and the skin is prolonged, the adjustable range of the objective lens is enlarged, and the imaging and the observation of the skin surface condition are facilitated.

Drawings

Fig. 1 is a schematic structural view of an improved dermoscope according to an embodiment of the present invention;

FIG. 2 is an exploded view of the dermoscope of FIG. 1;

fig. 3 is a schematic perspective view of a contact member of a skin mirror according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

This embodiment provides an improved dermoscope. Specifically, referring to fig. 1 to 3, the improved dermoscope includes a handle 1, a lens barrel 2, and a contact member 3 for contacting the skin. Wherein:

the lens barrel 2 is fixed on the handle 1, the lens barrel 2 is provided with a first barrel part 21 and a second barrel part 22 which are fastened together, the first barrel part 21 and the second barrel part 22 are both provided with inner cavities, the inner cavities of the first barrel part 21 and the second barrel part 22 are communicated, an ocular lens 3 and an objective lens 4 are arranged in the inner cavity of the first barrel part 21, the ocular lens 3 is arranged close to the upper end of the first barrel part 21, the objective lens 4 is positioned below the ocular lens 3, a lens of the objective lens 4 is positioned in the inner cavity of the second barrel part 22, a lens 5 is arranged in the inner cavity of the second barrel part 22, and the lens 5 is arranged close to the lower end of the second barrel part 22.

The contact member 6 has a through cavity 60 with an upper opening and a lower opening, the upper opening of the through cavity 60 is communicated with the inner cavity of the second tube part 22, the upper end of the contact member 6 is fastened to the lower end of the second tube part 22, and the lower end of the contact member 6 and the part contacting the skin are made of elastic materials. The elastic material here is preferably silicone, for example. In the present embodiment, the contact member 6 includes a first cylindrical portion 63 and a second cylindrical portion 64 penetrating each other, an upper portion of the first cylindrical portion 63 is connected to a lower end of the second cylindrical portion 22, an upper portion of the second cylindrical portion 64 communicates with a lower portion of the first cylindrical portion 63, a radial dimension of an annular wall forming the second cylindrical portion 64 is smaller than a radial dimension of an annular wall forming the first cylindrical portion 63, and a portion of the second cylindrical portion 64 for contacting the skin is made of an elastic material. For the convenience of disassembly and assembly, the contact element 6 is detachably fastened to the lower end of the second cylinder part 22, and preferably, the contact element 6 is connected with the lower end of the second cylinder part 22 through a clamping structure. Specifically, the upper portion of the contact member 6 has a positioning column 61 extending upward, the lower end of the second cylinder 22 has a positioning groove 221 engaged with the positioning column 61, and the positioning column 61 and the positioning groove 221 form an engaging structure. In other embodiments, the contact member 6 and the second cylindrical portion 22 may be connected by a snap-fit structure, for example, the contact member 6 may have an elastic snap extending into a snap groove of the second cylindrical portion 22.

The end 62 of the portion of the contact member 6 for contacting the skin has a hollow cylindrical shape, as shown in fig. 2, and the end 62 may be provided in other shapes as needed.

The use method of the improved skin mirror comprises the following steps:

before the skin condition of the patient is checked, the positioning column 61 of the first cylindrical part 63 of the contact piece 6 is clamped with the positioning groove 221 of the lens barrel 2.

When the skin condition of a patient is examined, a doctor holds the handle 1 by hand and presses the second cylindrical part 64 of the contact element 6 against the skin of the patient, because the second cylindrical part 64 is made of silica gel, when the skin surface to be examined is uneven, the dermatoscope can be stably placed on the skin and can be easily placed at a proper angle through the compression deformation of the second cylindrical part 64;

in addition, because the contact member 6 has a certain height, so that a certain distance is provided between the skin and the lens 5 in the lens barrel 2, the skin is not easy to contact the lens 5 without polluting the lens 5, and a certain distance is provided between the surface of the skin to be inspected and the objective lens 4, thereby facilitating imaging.

After the examination is finished, the contact member 6 is separated from the lens barrel 2 after the contact member 6 is downwardly applied to the second cylindrical portion 64, the contact member 6 is discarded or sterilized, and a new contact member 6 is attached when the skin of the next patient is examined, so that cross infection between patients can be avoided, and the contact device is sanitary.

Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to 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 improved dermoscope comprising:

a handle (1);

the lens cone (2) is fixed on the handle (1), the lens cone (2) is provided with a first cylinder part (21) and a second cylinder part (22) which are fastened together, the first cylinder part (21) and the second cylinder part (22) are both provided with inner cavities, the inner cavities of the first cylinder part and the second cylinder part are communicated, an ocular (3) and an objective lens (4) are arranged in the inner cavity of the first cylinder part (21), the ocular (3) is arranged close to the upper end of the first cylinder part (21), the objective lens (4) is positioned below the ocular (3), a lens (5) is arranged in the inner cavity of the second cylinder part (22), and the lens (5) is arranged close to the lower end of the second cylinder part (22);

the skin-contact type skin-contact device is characterized by further comprising a contact piece (6) for contacting with the skin, wherein the contact piece (6) is provided with a through cavity (60) with an upper opening and a lower opening, the upper opening of the through cavity (60) is communicated with the inner cavity of the second cylinder part (22), the upper end of the contact piece (6) is fastened to the lower end of the second cylinder part (22), and the lower end of the contact piece (6) and the part contacting with the skin are made of elastic materials.

2. An improved dermoscope according to claim 1 wherein said elastomeric material is silicone.

3. An improved dermoscope according to claim 1, wherein the contact element (6) comprises a first cylindrical part (63) and a second cylindrical part (64) which penetrate each other, the upper part of the first cylindrical part (63) is connected with the lower end of the second cylindrical part (22), the upper part of the second cylindrical part (64) is connected with the lower part of the first cylindrical part (63), the radial dimension of the annular wall forming the second cylindrical part (64) is smaller than the radial dimension of the annular wall forming the first cylindrical part (63), and the part of the second cylindrical part (64) for contacting the skin is made of an elastic material.

4. An improved dermoscope according to any one of claims 1-3, characterized in that the contact piece (6) is detachably fastened to the lower end of the second cylinder (22).

5. An improved dermoscope according to claim 4, wherein the contact element (6) is connected to the lower end of the second cylinder (22) by a snap-fit connection.

6. The improved skin mirror according to claim 5, wherein the upper part of the contact member (6) is provided with a positioning column (61) extending upwards, the lower end of the second cylinder part (22) is provided with a positioning groove (221) matched and clamped with the positioning column (61), and the positioning column (61) and the positioning groove (221) form the clamping structure.

7. An improved dermoscope according to any one of claims 1 to 3, characterized in that the end (62) of the skin-contacting part of the contact piece (6) is hollow-cylindrical.