CN213249312U

CN213249312U - Dermatological sampler

Info

Publication number: CN213249312U
Application number: CN202021422234.2U
Authority: CN
Inventors: 邹彦芬
Original assignee: Peking University Shenzhen Hospital
Current assignee: Peking University Shenzhen Hospital
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-05-25
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a dermatological sampler, which comprises a shell, a ring cutter and a cutting rod, wherein the shell is provided with a handle part and a head part connected with the handle part, and the head part is suitable for being pressed close to the skin of a human body; the ring-cutting knife is arranged on the side surface of the head and is used for cutting skin tissues in a ring shape and enabling the skin tissues to enter the ring-cutting knife; the cutting rod is arranged in the shell and can move to a first position and a second position relative to the shell, and when the cutting rod moves from the first position to the second position, the cutting rod peels off the skin tissue entering the ring cutter. So make operation process simpler, can make medical personnel accomplish the sample fast, improved the efficiency of sample.

Description

Dermatological sampler

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to dermatology department sampler.

Background

The skin sampler is also called a skin trephine sampler, a round living body skin sampler and the like, is widely applied to sampling skin tissues of animals or human bodies, and has the advantage of small wound range on the skin and is particularly suitable for skin exposure parts such as faces, hands and the like.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. To this end, an object of the present invention is to provide a dermatological sampler, comprising:

a housing having a handle and a head connected to the handle, the head adapted to be proximate to human skin;

the ring-cutting knife is arranged on the side surface of the head and is used for cutting skin tissues in a ring shape and enabling the skin tissues to enter the ring-cutting knife;

the cutting rod is arranged in the shell and can move to a first position and a second position relative to the shell, and when the cutting rod moves from the first position to the second position, the cutting rod peels the skin tissue entering the ring cutter.

Preferably, according to the utility model discloses an embodiment, the stalk portion link up to the head is equipped with the through-hole, the cutting rod set up in the through-hole, just the cutting rod is located the stalk portion cover is equipped with the elastic component, works as the cutting rod compression during the elastic component, the cutting rod is in first position, works as when the elastic component elasticity struts, the cutting rod follows first position removes to the second position.

Preferably, according to the present invention, a first stop wall is disposed in the through hole, the cutting rod is disposed with a second stop wall and located above the first stop wall, and the elastic member is disposed between the first stop wall and the second stop wall and can be compressed by the first stop wall and the second stop wall together.

Preferably, according to the utility model discloses an embodiment, still be equipped with spacing wall in the through-hole, spacing wall is located second stop wall top, works as the cutting rod moves to when the second position, spacing wall with second stop wall offsets and pastes in order to restrict the cutting rod moves.

Preferably, according to an embodiment of the present invention, the cutting rod has a cutting portion and a pressing portion, the cutting portion is accommodated in the head, and the pressing portion extends from inside the through hole to outside the handle portion, so that the user can press and push the cutting portion to move to the first position together.

Preferably, according to an embodiment of the present invention, the cutting portion and the pressing portion are integrally provided or detachably provided.

Preferably, according to an embodiment of the present invention, the head is provided with a receiving cavity for a spindle body, and is located above the ring-cutting knife, and when the cutting rod moves toward the second position, the cutting rod pushes the skin tissue into the receiving cavity.

Preferably, according to an embodiment of the present invention, the head is provided with a first threaded portion and located above the accommodating chamber, and the handle is provided with a second threaded portion corresponding to the first threaded portion, so that the head is in threaded connection with the handle.

Preferably, according to an embodiment of the present invention, the handle outer surface has a non-slip portion extending in a length direction of the handle.

Preferably, according to an embodiment of the present invention, the diameter of the ring cutter is 1mm to 5 mm.

The utility model provides a dermatology department sampler at first makes the cutting rod remove to the primary importance when using, and in boring into patient's skin tissue with the ring cutter, make patient's skin tissue get into the head from the ring cutter, then remove the cutting rod from the primary importance to second place direction, make the skin tissue that gets into the head peel off by the cutting rod cutting, thereby accomplish the sample, so make operation process simpler, can make medical personnel accomplish the sample fast, the efficiency of sample has been improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a dermatological sampler provided in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a dermatological sampler provided in an embodiment of the invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of the portion B shown in FIG. 2;

fig. 5 is a schematic structural diagram of a housing provided in an embodiment of the present invention;

fig. 6 is a schematic structural view of the elastic member and the cutting rod provided in the embodiment of the present invention.

The reference numbers illustrate:

10. a housing; 101. a handle; 1011. a first stopper wall; 1012. a limiting wall; 102. a head portion; 1021. An accommodating chamber; 1022. a first threaded portion; 103. a through hole; 20. a ring cutter; 30. cutting the rod; 301. A second stopper wall; 302. a cutting section; 303. a pressing part; 40. an elastic member.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The dermatological sampler of an embodiment of the present invention is described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model provides a dermatological sampler, which comprises a housing 10, a ring cutter 20 and a cutting rod 30, wherein the housing 10 has a handle 101 and a head 102 connected to the handle 101, and the head 102 is suitable for being pressed close to the skin of a human body; the ring-cutting knife 20 is arranged on the side surface of the head part 102, and the ring-cutting knife 20 is used for cutting skin tissues in a ring shape and enabling the skin tissues to enter the ring-cutting knife; the cutting rod 30 is disposed in the housing 10 and is movable to a first position and a second position relative to the housing 10, and when the cutting rod 30 is moved from the first position to the second position, the cutting rod 30 peels off the skin tissue entering the ring cutter.

The utility model provides a dermatology department sampler at first makes cutting rod 30 remove to the primary importance when using, and bore into patient's skin tissue with ring cutter 20 in, make patient's skin tissue get into head 102 from ring cutter 20, then will cut cutting rod 30 and remove to second place direction from the primary importance, make the skin tissue that gets into head 102 cut by cutting rod 30 and peel off, thereby accomplish the sample, so make the operation process simpler, can make medical personnel accomplish the sample fast, the efficiency of sample is improved.

Specifically, the handle 101 penetrates through the head 102 to form a through hole 103, the cutting rod 30 is disposed in the through hole 103, the cutting rod 30 is located on the handle 101, the elastic member 40 is sleeved on the cutting rod 30, when the elastic member 40 is compressed by the cutting rod 30, the cutting rod 30 is located at a first position, and when the elastic member 40 is elastically expanded, the cutting rod 30 moves from the first position to a second position.

In the present embodiment, the cutting rod 30 can compress the elastic member 40 to move to the first position when in use, and when cutting the skin tissue entering the head 102, the cutting rod 30 can be pushed by the elastic member 40 to move from the first position to the second position, so as to peel the skin tissue, and the operation is simpler and faster.

Referring to fig. 2 and 4, a first stop wall 1011 is disposed inside the through hole 103, the cutting bar 30 is disposed above the first stop wall 1011 and has a second stop wall 301, and the elastic member 40 is disposed between the first stop wall 1011 and the second stop wall 301 and can be compressed by the first stop wall 1011 and the second stop wall 301.

In this embodiment, the cutting rod 30 is pushed so that the second stopping wall 301 pushes the elastic member 40 to be compressed by the first stopping wall 1011 and the second stopping wall 301 together, so that the cutting rod 30 is located at the first position, and when the cutting rod 30 is released, the elastic member 40 elastically pushes the second stopping wall 301, so that the cutting rod 30 moves towards the second position, and the cutting rod 30 cuts and peels the skin tissue, so that the sampling can be performed quickly, and the operation is simple and fast.

Specifically, a limiting wall 1012 is further disposed in the through hole 103, the limiting wall 1012 is located above the second stopping wall 301, and when the cutting rod 30 moves to the second position, the limiting wall 1012 abuts against the second stopping wall 301 to limit the movement of the cutting rod 30. When the cutting rod 30 moves to the second position, the limiting wall 1012 can stop the second stopping wall 301, so that the cutting rod 30 cannot pop out of the through hole 103, and the whole body is more stable and reliable.

Referring to fig. 6, the cutting rod 30 has a cutting portion 302 and a pressing portion 303, the cutting portion 302 is accommodated in the head portion 102, and the pressing portion 303 extends from the through hole 103 to the outside of the handle portion 101, so that a user can press and push the cutting portion 302 to move to the first position together. In this embodiment, when cutting skin tissue, can press the portion 303 application of force to, make cutting rod 30 move towards first position direction, when loosening again and pressing the portion 303, elastic component 40 drives cutting rod 30 and moves towards second position direction for cutting portion 302 can switch between first position and second position, makes medical personnel's operation simpler and reliable and stable.

Alternatively, the cutting portion 302 and the pressing portion 303 are integrally or detachably provided. Wherein, when cutting portion 302 and pressing portion 303 can dismantle the setting, can change cutting portion 302 to can guarantee the safety and the aseptic nature of cutting portion 302, when cutting portion 302 and pressing portion 303 are integrative to be set up, then wholly can be disposable, in order to guarantee its security.

Referring to fig. 2 and 3, the head 102 is provided with a receiving chamber 1021 of the bobbin body, and is positioned above the ring cutter to push the skin tissue into the receiving chamber 1021 when the cutting bar 30 is moved toward the second position. Wherein, can collect skin tissue at holding chamber 1021 to with skin tissue's sample censorship, and can avoid skin tissue to contact with the external world for a long time, guarantee the integrality of sample.

Referring to fig. 5, the head portion 102 is provided with a first threaded portion 1022 and is located above the accommodating chamber 1021, and the handle portion 101 is provided with a second threaded portion corresponding to the first threaded portion 1022, so that the head portion 102 and the handle portion 101 are screwed together. In this embodiment, with head 102 and stalk portion 101 threaded connection, after accomplishing skin tissue sampling, can dismantle head 102 and will examine skin tissue, perhaps can change head 102 to also can change the not unidimensional cutting ring cutter 20, application scope is wider, and it is more convenient to operate.

Specifically, the outer surface of the handle 101 has a non-slip portion extending along the length of the handle 101. In this embodiment, the handle 101 is provided with a slip-preventing part, which can prevent slipping during operation, and is safer and simpler to use.

Specifically, the diameter of the ring cutter 20 is 1mm to 5 mm. The size of the ring-cutting knife 20 can be set according to actual requirements, for example, the diameter can be 2mm, and those skilled in the art can set according to actual requirements without any limitation.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A dermatological sampler, comprising:

2. The dermatological sampler of claim 1, wherein a through hole is formed through the handle portion to the head portion, the cutting rod is disposed in the through hole, and an elastic member is sleeved on the cutting rod, the cutting rod is located at the handle portion, when the cutting rod compresses the elastic member, the cutting rod is located at the first position, and when the elastic member elastically expands, the cutting rod moves from the first position to the second position.

3. The dermatological sampler of claim 2, wherein a first stop wall is disposed in the through hole, the cutting bar has a second stop wall and is disposed above the first stop wall, and the resilient member is disposed between the first stop wall and the second stop wall and is compressed by the first stop wall and the second stop wall.

4. The dermatological sampler of claim 3, wherein a limiting wall is further disposed in the through hole and located above the second stopping wall, and when the cutting rod moves to the second position, the limiting wall abuts against the second stopping wall to limit the movement of the cutting rod.

5. The dermatological sampler of claim 2, wherein the cutting bar has a cutting portion received by the head portion and a pressing portion extending from within the through hole to outside the handle portion for pressing and urging the cutting portion to move together to the first position by a user.

6. A dermatological sampler according to claim 5, wherein the cutting portion and the pressing portion are integrally or detachably provided.

7. The dermatological sampler of claim 1, wherein the head is provided with a receiving cavity for a spindle and is located above the ring cutter to push the dermal tissue into the receiving cavity when the cutter bar is moved in the direction of the second position.

8. The dermatological sampler of claim 7, wherein the head portion has a first threaded portion and is located above the receiving cavity, and the handle portion has a second threaded portion located in correspondence with the first threaded portion to threadably couple the head portion to the handle portion.

9. The dermatological sampler of claim 1, wherein the handle outer surface has a non-slip portion that extends along a length of the handle.

10. A dermatological sampler according to claim 1, wherein the ring cutter has a diameter of 1mm to 5 mm.