CN213758347U

CN213758347U - Skin biopsy sampler

Info

Publication number: CN213758347U
Application number: CN202021420891.3U
Authority: CN
Inventors: 肖珍珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-19
Filing date: 2020-07-19
Publication date: 2021-07-23
Anticipated expiration: 2030-07-19

Abstract

The utility model relates to an external medical instrument technical field particularly, relates to a skin biopsy sampler, including auxiliary assembly and sample sword, the one end of above-mentioned auxiliary assembly is located to above-mentioned sample sword, and above-mentioned sample sword is the tubulose, and the transversal elliptical ring that personally submits of above-mentioned sample sword. The sampler has simple structure, and is not easy to generate the cat ear phenomenon and scars when the surgical wound surface is sutured.

Description

Skin biopsy sampler

Technical Field

The utility model relates to an external medical instrument technical field particularly, relates to a skin biopsy sampler.

Background

The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles which are directly or indirectly used for the human body, and comprises required computer software for diagnosing, preventing, monitoring, treating or relieving diseases; diagnosis, monitoring, treatment, mitigation, or functional compensation of injury; examination, replacement, regulation or support of a physiological structure or physiological process; support or maintenance of life; controlling pregnancy; by examining a sample from a human body, information is provided for medical or diagnostic purposes.

Currently, when diagnosing skin diseases that are difficult to be clearly diagnosed by naked eyes, a biopsy is taken from an affected part of a patient, and then the sample is pathologically diagnosed to determine which disease is. One of the common tools for sampling skin is a circular trephine, the front end of which is a circular cutting knife, after the circular cutting knife cuts skin tissue, the cut skin tissue is separated by surgical scissors, and then the skin tissue is clamped to an operation disc by forceps to finish sampling of the skin tissue. However, the skin defect after material drawing is round, the suture is not easy to be sewed, and the cat ear phenomenon with uneven edge and scar-like appearance are easy to be formed after the suture.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a skin biopsy sampler, this sampler simple structure for difficult appearance "cat ear" phenomenon and scar when sewing up the operation surface of a wound.

The embodiment of the utility model is realized like this:

in a first aspect, a skin biopsy sampler is provided, which comprises an auxiliary component and a sampling knife, wherein the sampling knife is arranged at one end of the auxiliary component, the sampling knife is tubular, and the cross section of the sampling knife is elliptical and annular.

Further, some embodiments of the utility model discloses a still include negative pressure assembly, the inside cavity of above-mentioned auxiliary assembly, the one end and the above-mentioned negative pressure assembly intercommunication of above-mentioned auxiliary assembly, the other end and the above-mentioned sample sword intercommunication of above-mentioned auxiliary assembly.

Further, in some embodiments of the present invention, the negative pressure component is provided with a connector, and the connector is detachably connected to one end of the auxiliary component.

Further, in some embodiments of the present invention, the connector outer side wall is provided with a first external thread, and the one end inner side wall of the auxiliary assembly is provided with a first internal thread matched with the first external thread.

Further, in some embodiments of the present invention, the auxiliary assembly includes a connecting member and an installation member, one end of the connecting member is detachably connected to one end of the installation member, the other end of the connecting member is connected to the negative pressure assembly, and the other end of the installation member is connected to the sampling knife.

Further, in some embodiments of the present invention, the one end inside wall of the connecting member is provided with a second internal thread, and the one end outside wall of the mounting member is provided with a second external thread matched with the second internal thread.

Further, in some embodiments of the present invention, the outer sidewall of the mounting member is provided with a stopper.

Further, in some embodiments of the present invention, the stopper is annular, and the stopper surrounds the outer side wall of the mounting member, and is coaxial with the mounting member, and the stopper is located at one end away from the connecting member.

Further, in some embodiments of the present invention, the first rubber sleeve is sleeved outside the mounting member, and the second rubber sleeve is sleeved outside the connecting member.

Further, in some embodiments of the present invention, the outer sidewall of the rubber sleeve outside the connecting member is provided with an anti-slip layer.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

the utility model provides an embodiment of skin biopsy sampler: including auxiliary assembly and sample sword, the one end of auxiliary assembly is located to the sample sword, and the sample sword is the tubulose, and the sample sword cross section is oval annular.

In the above-mentioned embodiment, because skin biopsy sampler, including auxiliary assembly and sample sword, the one end of auxiliary assembly is located to the sample sword, and the sample sword is the tubulose, and in the operation process, medical personnel hold auxiliary assembly, and perpendicular to skin tissue surface pushes down the sample sword, accomplishes the cutting of skin tissue, has safety, simple operation's advantage. The cross section of a sampling knife of the skin biopsy sampler is in an elliptical ring shape, after skin tissues are cut, the cut skin tissues are separated by a pair of surgical scissors, and then the skin tissues are clamped to an operation plate by a pair of tweezers, so that the sampling of the skin tissues is completed. The skin defect is elliptical after sampling, and the elliptical incision has the advantages of small wound surface, easy suture, fast wound healing, and no cat ear or scar.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required 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 view of a skin biopsy sampler according to the present invention;

FIG. 2 is a schematic structural view of the mounting member of the present invention;

FIG. 3 is a cross-sectional view of a skin biopsy sampler of the present invention;

fig. 4 is a schematic structural diagram of the middle negative pressure assembly of the present invention.

Icon: 1-a sampling knife; 2-an auxiliary component; 21-a connector; 22-a mounting; 221-second external thread; 23-a limiting block; 3-a negative pressure component; 31-a connector; 311-first external thread.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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 embodiments of the present invention, it should be noted that, if the terms "top", "horizontal", "vertical" and the like are used, the directions or positional relationships indicated are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when in use, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction is not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, "a plurality of times" means at least 2 times.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be, for example, 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.

Examples

As shown in fig. 1, a skin biopsy sampler comprises an auxiliary assembly 2 and a sampling knife 1, wherein the sampling knife 1 is arranged at one end of the auxiliary assembly 2, the sampling knife 1 is tubular, and the cross section of the sampling knife 1 is elliptical and annular.

In the above embodiment, because skin biopsy sampler, including auxiliary assembly 2 and sample sword 1, the one end of auxiliary assembly 2 is located to sample sword 1, sample sword 1 is the tubulose, in the operation process, medical personnel hold auxiliary assembly 2 by hand, perpendicular to skin tissue surface pushes down sample sword 1, accomplish the cutting of skin tissue, after the cutting skin tissue, the skin tissue of operation scissors separation cutting, then press from both sides the skin tissue to the operation dish with tweezers clamp, accomplish the sample of skin tissue, because this skin biopsy sampler's sample sword 1 cross-section is oval annular, so the skin defect is the ellipse shape after the sample, oval incision has that the wound face is little, easily sew up the line, there is the wound healing fast, the advantage of difficult "cat ear" phenomenon and scar that appears.

As shown in FIG. 1, in some embodiments of the present invention, the utility model further comprises a negative pressure component 3, the interior of the auxiliary component 2 is hollow, one end of the auxiliary component 2 is communicated with the negative pressure component 3, and the other end of the auxiliary component 2 is communicated with the sampling knife 1.

In the above embodiment, the interior of the auxiliary component 2 is hollow, one end of the auxiliary component 2 is communicated with the negative pressure component 3, the other end of the auxiliary component 2 is communicated with the sampling knife 1, in the sampling process, after the skin tissue is pressed and cut, the skin biopsy sampler enables the interior of the skin biopsy sampler to form negative pressure under the action of the negative pressure component 3, which is beneficial to firmly adsorbing the skin tissue sample at the sampling knife 1 or in the auxiliary component 2, then the cut skin tissue is separated by the operation scissors, the skin tissue is clamped to the operation disc by the tweezers, the sampling of the skin tissue is completed, when the negative pressure component 3 is not used for sampling, the tweezers can clamp the skin tissue specimen for a plurality of times, thereby damaging the skin tissue specimen, the negative pressure component 3 can prevent the tissue specimen from being damaged due to multiple clamping, thereby avoiding influencing the pathological diagnosis result of the skin tissue.

In the above embodiment, the negative pressure component 3 may be a negative pressure ball made of rubber, and the negative pressure ball not only enables the tail of the skin biopsy sampler to form negative pressure, but also has the advantages of convenient use and low manufacturing cost.

As shown in fig. 1, in some embodiments of the present invention, the negative pressure component 3 is provided with a connecting head 31, and the connecting head 31 is detachably connected to one end of the auxiliary component 2.

In the above embodiment, after the skin tissue specimen is sucked into the auxiliary assembly 2, the skin tissue specimen may be contaminated due to internal stains, thereby affecting the pathological diagnosis result of the skin tissue. Negative pressure subassembly 3 is equipped with connector 31, and the connection can be dismantled to connector 31 and auxiliary assembly 2's one end, and when daily maintenance was clean, through separation connector 31 and auxiliary assembly 2, accomplish the inside cleanness of auxiliary assembly 2, prevent to cause the pollution of skin tissue sample because of inside spot, guarantees the pathological diagnosis's of skin tissue accuracy.

As shown in fig. 1, 3 and 4, in some embodiments of the present invention, the outer sidewall of the connector 31 is provided with a first external thread 311, and the inner sidewall of one end of the auxiliary component 2 is provided with a first internal thread matching with the first external thread 311.

In the above embodiment, since the outer side wall of the connector 31 is provided with the first external thread 311, and the inner side wall of one end of the auxiliary component 2 is provided with the first internal thread matching with the first external thread 311, the connector 31 is in threaded connection with the auxiliary component 2, so that the connector 31 and the auxiliary component 2 are detachably and fixedly connected through the matching of the first external thread 311 and the first internal thread, and the connection mode has the advantages of simple structure, stable connection and convenient assembly and disassembly.

As shown in fig. 1 and 2, in some embodiments of the present invention, the auxiliary assembly 2 includes a connecting member 21 and an installation member 22, one end of the connecting member 21 is detachably connected to one end of the installation member 22, the other end of the connecting member 21 is connected to the negative pressure assembly 3, and the other end of the installation member 22 is connected to the sampling knife 1.

In the above embodiment, because the one end and the negative pressure subassembly 3 intercommunication of auxiliary assembly 2, the other end and the sample sword 1 intercommunication of auxiliary assembly 2, auxiliary assembly 2 includes connecting piece 21 and installed part 22, the one end of connecting piece 21 can be dismantled with the one end of installed part 22 and be connected, the other end and the negative pressure subassembly 3 of connecting piece 21 are connected, the other end and the sample sword 1 of installed part 22 are connected, when tissue specimen adsorbs to inside the skin biopsy sampler, can separate installed part 22 and connecting piece 21, reuse sample, the tweezers of getting the tissue specimen from the inside sampler of having reduced are got, prevent to destroy skin tissue specimen in the operation process, guarantee the degree of accuracy of the pathological diagnosis result of skin tissue specimen.

In the above embodiment, the auxiliary assembly 2 may be made of a transparent material, and when the skin tissue sample enters the skin biopsy sampler through the negative pressure assembly 3, the auxiliary assembly 2 is transparent so as to identify the position of the skin tissue sample, thereby facilitating the skin tissue sample to be taken out from the skin biopsy sampler by using forceps, and reducing the sampling difficulty.

As shown in fig. 1, 2 and 3, in some embodiments of the present invention, the inner side wall of the one end of the connecting member 21 is provided with a second internal thread, and the outer side wall of the one end of the mounting member 22 is provided with a second external thread 221 matching with the second internal thread.

In the above embodiment, since the inner side wall of one end of the connecting piece 21 is provided with the second internal thread, and the outer side wall of one end of the mounting piece 22 is provided with the second external thread 221 matched with the second internal thread, the connecting piece 21 is in threaded connection with the mounting piece 22, so that the connecting piece 21 and the mounting piece 22 are in detachable fixed connection through the matching of the second external thread 221 and the second internal thread, and the connection mode has the advantages of simple structure, reliable and stable connection and convenient assembly and disassembly.

As shown in fig. 1, in some embodiments of the present invention, the outer sidewall of the mounting member 22 is provided with a stopper 23.

In the above-mentioned embodiment, press the in-process perpendicularly downwards at handheld auxiliary assembly 2, medical personnel's hand medical personnel's the lateral wall of hand installed part 22 is equipped with stopper 23, presses the in-process perpendicularly downwards at handheld auxiliary assembly 2, and medical personnel's hand passes through stopper 23's effect, can prevent that medical personnel's hand from sliding on auxiliary assembly 2, avoids causing skin tissue cutting error.

As shown in fig. 1, in some embodiments of the present invention, the limiting block 23 is annular, the limiting block 23 surrounds the outer sidewall of the mounting member 22, the limiting block 23 is coaxial with the mounting member 22, and the limiting block 23 is disposed at one end away from the connecting member 21.

In the above embodiment, the limiting block 23 is annular, and has the advantages of beautiful appearance and material saving. When handheld auxiliary assembly 2, stopper 23 encircles the setting of installed part 22 lateral wall, and stopper 23 is coaxial with installed part 22, and stopper 23 locates the one end of keeping away from connecting piece 21, and this setting at first can prevent medical personnel's hand from the arbitrary direction slippage of installed part 22 lateral wall, avoids causing skin tissue cutting error, secondly makes medical personnel's hand mobilizable distance maximize on auxiliary assembly 2, comfort level when having promoted the skin tissue cutting.

As shown in fig. 1, in some embodiments of the present invention, the first rubber sleeve is sleeved outside the mounting member 22, and the second rubber sleeve is sleeved outside the connecting member 21.

In the above-described embodiment, when using a skin biopsy sampler, blisters or calluses may be created in the hands of the healthcare worker by the long-term vertical downward cutting of the hand-held accessory assembly 2. The outside cover of installed part 22 is equipped with first rubber sleeve, and the outside cover of connecting piece 21 is equipped with the second rubber sleeve, when handheld auxiliary assembly 2 cuts perpendicularly downwards, has slowed down medical personnel's hand and auxiliary assembly 2's friction, avoids medical personnel's that long-term medical personnel's hand and auxiliary assembly 2's friction caused hand blister or hand cocoon, comfort level when promoting the skin tissue cutting simultaneously.

As shown in fig. 1, in some embodiments of the present invention, the outer side wall of the rubber sleeve outside the connecting member 21 is provided with an anti-slip layer.

In the above embodiment, the lateral wall of the rubber sleeve outside the connecting piece 21 is provided with the anti-slip layer, so that when the skin tissue is sampled, the skin tissue sampling error is caused due to the slipping of the hands of the medical personnel on the auxiliary assembly 2, and the pathological diagnosis result of the skin tissue is affected.

To sum up, the utility model provides a skin biopsy sampler has following beneficial effect at least:

the utility model provides an embodiment of skin biopsy sampler: including auxiliary assembly 2 and sample sword 1, the one end of auxiliary assembly 2 is located to sample sword 1, and sample sword 1 is the tubulose, and sample 1 cross section is oval annular.

In the above-mentioned embodiment, because skin biopsy sampler, including auxiliary assembly 2 and sample sword 1, the one end of auxiliary assembly 2 is located to sample sword 1, and sample sword 1 is the tubulose, and in the operation process, medical personnel hold auxiliary assembly 2 by hand, and perpendicular to skin tissue surface presses sample sword 1 downwards, accomplishes skin tissue's cutting, has safety, the simple operation's advantage. The cross section of a sampling knife 1 of the skin biopsy sampler is in an elliptical ring shape, after skin tissues are cut, the cut skin tissues are separated by a pair of surgical scissors, and then the skin tissues are clamped to an operation plate by a pair of tweezers, so that the sampling of the skin tissues is completed. The skin defect is elliptical after sampling, and the elliptical incision has the advantages of small wound surface, easy suture, fast wound healing, and no cat ear or scar.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur 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. The utility model provides a skin biopsy sampler, its characterized in that, includes auxiliary assembly and sample sword, the sample sword is located auxiliary assembly's one end, the sample sword is the tubulose, the sample sword cross-section is oval annular.

2. The biopsy sampler of claim 1, further comprising a negative pressure assembly, wherein the auxiliary assembly is hollow, one end of the auxiliary assembly is in communication with the negative pressure assembly, and the other end of the auxiliary assembly is in communication with the sampling knife.

3. The biopsy sampler of claim 2, wherein the negative pressure assembly comprises a connector, and the connector is detachably connected to one end of the auxiliary assembly.

4. The biopsy sampler of claim 3, wherein the connector has an outer side wall provided with a first external thread, and the auxiliary assembly has an inner side wall provided with a first internal thread matching the first external thread.

5. The biopsy sampler of claim 2, wherein the auxiliary assembly comprises a connector and a mounting member, wherein one end of the connector is detachably connected to one end of the mounting member, the other end of the connector is connected to the negative pressure assembly, and the other end of the mounting member is connected to the sampling knife.

6. The biopsy sampler of claim 5, wherein the connector has a second internal thread on an inner sidewall at one end and the mounting member has a second external thread on an outer sidewall at one end that mates with the second internal thread.

7. The biopsy sampler of claim 5, wherein an outer sidewall of the mounting member is provided with a stop.

8. The biopsy sampler of claim 7, wherein the stopper is annular and is disposed around an outer sidewall of the mounting member, the stopper is coaxial with the mounting member, and the stopper is disposed at an end away from the connecting member.

9. The biopsy sampler of claim 5, wherein the mounting member is externally sleeved with a first rubber sleeve, and the connecting member is externally sleeved with a second rubber sleeve.

10. The skin biopsy sampler of claim 9, wherein the outer sidewall of the rubber sleeve outside the connector is provided with a non-slip layer.