CN220967331U

CN220967331U - Skin disease diagnosis sampling device

Info

Publication number: CN220967331U
Application number: CN202322121783.6U
Authority: CN
Inventors: 王宗兵
Original assignee: Caoxian Traditional Chinese Medicine Hospital
Current assignee: Caoxian Traditional Chinese Medicine Hospital
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-05-17
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a skin disease diagnosis sampling device which comprises a rotating handle and an annular cutter, wherein the lower end of the rotating handle is rotatably provided with an outer sleeve, the periphery of the lower end of the outer sleeve is provided with a limiting plate, the annular cutter penetrates through the inside of the outer sleeve and extends out of the lower port of the outer sleeve, a ring plate is fixed inside the annular cutter, a sampling cavity for accommodating skin tissues is formed between the ring plate and the lower port of the annular cutter, a through hole is formed in the middle of the ring plate, a piston block capable of sliding along the inner wall of the annular cutter is arranged above the ring plate, a pull rod is connected above the piston block, and the inside of the rotating handle of the pull rod penetrates out of the top surface of the rotating handle. According to the utility model, after the medical staff is arranged to cut the skin tissue of the patient through the trephine, the pull rod is controlled to pull the piston block upwards, so that the cut skin tissue is directly sucked into the sampling cavity, the skin tissue can be separated directly, and the separation operation is carried out without using auxiliary tools such as forceps and the like, so that the whole sampling process is simpler and quicker.

Description

Skin disease diagnosis sampling device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a dermatological diagnosis sampling device.

Background

Skin tissue pathology is of great importance for understanding the occurrence, progression, prognosis, general state of the body and for selection of therapeutic regimens. Clinically, in order to reduce wounds, the collection of skin tissue specimens is commonly performed by trepanning: the operator holds the trephine to drill, and the trephine cuts off a small piece of skin tissue.

The existing trephine sampling device is shown in China patent with the application number 202122113509.5, and comprises: main pipe body, swivelling tube, sample needle tubing, spacing instruction opening and spacing instruction portion.

Although the device can drive the sampling needle tube to annularly cut skin tissues through controlling the rotation of the rotating tube, the existing trephine sampling device is inconvenient to separate and take off the skin tissues from the limb of a patient, and the current operation is as follows: after the skin tissue of the patient is cut off, the trephine device is required to be taken down firstly, then the skin tissue specimen is clamped by using forceps, or the skin tissue specimen is sheared by a knife or a pair of scissors, so that the skin tissue specimen is troublesome to separate.

For this purpose, we propose a dermatological diagnostic sampling device that solves the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a skin disease diagnosis sampling device, which solves the problem that after the trephine sampling device proposed in the background art is used for circumscribing skin tissues, other auxiliary tools are needed to be matched for separating and removing the skin tissues from limbs of a patient.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a dermatological diagnosis sampling device, includes turning handle and annular cutter, the outer sleeve is installed in the lower extreme rotation of turning handle, and the lower extreme periphery of outer sleeve is equipped with the limiting plate, annular cutter runs through the inside of outer sleeve and stretches out the lower port of outer sleeve, annular cutter's inside is fixed with the annular plate, forms the sample chamber that holds skin tissue between this annular plate and the annular cutter lower port, the through-hole has been seted up at the middle part of annular plate, and the top of annular plate is equipped with the gliding piston piece of annular cutter inner wall of following to control annular plate absorption skin tissue, the top of piston piece is connected with the pull rod, and the pull rod runs through the inside of turning handle and wears out the top surface of turning handle.

In a further embodiment, a plurality of raised strips are uniformly arranged on the outer circumferential side surface of the rotating handle, and strip-shaped grooves are formed between adjacent raised strips.

In a further embodiment, the inner wall of the upper port of the outer sleeve is provided with a bearing, and the inner side of the inner bush of the bearing is provided with a connecting cylinder which is integrally formed with the rotating handle.

In a further embodiment, the limiting plates are uniformly distributed with four limiting plates along the outer circumferential side surface of the outer sleeve, and a cross-shaped structure is formed among the four limiting plates.

In a further embodiment, the lower surface of the limiting plate is connected with an anti-slip pad, and the anti-slip pad is made of silica gel.

In a further embodiment, a pull head is mounted to the top end of the pull rod, the pull head having an outer diameter greater than the outer diameter of the pull rod.

In a further embodiment, the top surface of the rotating handle is further provided with a driving piece, the driving piece is composed of a fixed rod frame, a rotating sleeve sleeved on the periphery of the fixed rod frame in a rotating mode, a first warping plate connected to one side, far away from the pull rod, of the rotating sleeve, a second warping plate connected to one side, close to the pull rod, of the rotating sleeve, and a lantern ring, the lantern ring is fixed with the second warping plate, and the lantern ring is sleeved on the periphery of one end, penetrating out of the rotating handle, of the pull rod.

In a further embodiment, the angle between the first and second rocker is 120-150 °.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the sampling cavity for accommodating skin tissues is formed between the annular plate and the lower port of the annular cutter, and the pressure intensity in the sampling cavity can be adjusted when the pull rod pulls the piston block to move, so that medical staff can control the pull rod to pull the piston block upwards after the annular drill cuts off skin tissues of a patient, the pressure intensity in the sampling cavity is reduced, the cut skin tissues are directly sucked into the sampling cavity, the skin tissues can be conveniently and directly separated, and auxiliary tools such as forceps are not needed for separation operation, so that the whole sampling process is simpler and quicker, and the efficiency of the sampling operation is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic elevational cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a part of the installation structure of the driving member and the pull rod according to the present utility model.

In the figure: 1. a rotating handle; 11. a convex strip; 12. a connecting cylinder; 13. a bearing; 2. an outer sleeve; 3. a limiting plate; 31. an anti-slip pad; 4. an annular cutter; 5. a ring plate; 6. a piston block; 7. a pull rod; 71. a pull head; 8. a driving member; 81. a fixed rod frame; 82. a rotating sleeve; 83. a first seesaw; 84. a second seesaw; 85. a collar.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a dermatological diagnosis sampling device comprises a rotating handle 1 for holding by hands of medical staff and an annular cutter 4 for annular cutting skin tissues, wherein an outer sleeve 2 is rotatably arranged at the lower end of the rotating handle 1, a bearing 13 is arranged on the inner wall of the upper port of the outer sleeve 2, a connecting cylinder 12 is arranged on the inner side of an inner shaft bush of the bearing 13, the connecting cylinder 12 and the rotating handle 1 are integrally formed, a limiting plate 3 is arranged on the periphery of the lower end of the outer sleeve 2, the annular cutter 4 penetrates through the inner part of the outer sleeve 2 and extends out of the lower port of the outer sleeve 2, the lower end surface of the annular cutter 4 is lower than the lower surface of the limiting plate 3, when the medical staff performs trephine operation, the annular cutter 4 is aligned with the position needing trephine firstly, then the rotating handle 1 is held to rotate, the annular cutter 4 is driven to rotationally cut skin until the limiting plate 3 is tightly attached to the skin surface, and the limiting plate 3 limits the annular cutter 4 at the moment, thereby preventing the annular cutter 4 from trepanning too deeply, in order to facilitate the trepanning cutting and then quickly separating and taking down skin tissues, a annular plate 5 is fixed in the annular cutter 4, a sampling cavity for accommodating skin tissues is formed between the annular plate 5 and the lower port of the annular cutter 4, a through hole is formed in the middle of the annular plate 5, a piston block 6 capable of sliding along the inner wall of the annular cutter 4 is arranged above the annular plate 5, the outer circumferential side surface of the piston block 6 is tightly attached to the inner wall of the annular cutter 4, when the piston block 6 moves upwards, the pressure in the sampling cavity is reduced, at the moment, negative pressure is formed at the through hole of the annular plate 5, skin tissues can be adsorbed, and in order to facilitate the control of the movement of the piston block 6, a pull rod 7 is connected above the piston block 6, and the pull rod 7 penetrates through the inside of the rotating handle 1 and penetrates out of the top surface of the rotating handle 1, and in the later stage, when the piston block 6 is driven to move downwards by pressing the pull rod 7, the pressure above the ring plate 5 is increased so that the skin tissue is pushed out of the sampling cavity by the air pressure.

Referring to fig. 2, in order to facilitate the application of force when a medical staff holds the handle 1, a plurality of raised strips 11 are uniformly arranged on the outer circumferential side surface of the handle 1, and strip-shaped grooves are formed between adjacent raised strips 11, so that friction is increased, and the problem of hand slipping during rotation is reduced.

Referring to fig. 1-2, in order to improve the use effect of the limiting plate 3, four limiting plates 3 are uniformly distributed along the outer circumferential side surface of the outer sleeve 2, a cross structure is formed between the four limiting plates 3, and then local skin can be exposed between the adjacent limiting plates 3, so that medical staff can observe the trephine position conveniently, meanwhile, an anti-slip pad 31 is connected to the lower surface of the limiting plate 3, and the anti-slip pad 31 is made of silica gel so as to prevent the limiting plates 3 from rotating along with the rotating handle 1 after being close to the skin, and limit stability is improved.

Referring to fig. 3, considering that the pull rod 7 is required to move upwards when tissue is adsorbed, a medical staff is required to hold the rotary handle 1 by one hand, the other hand can carry out the pulling operation, the operation is troublesome, the whole device can be operated by one hand for convenience, the top surface of the rotary handle 1 is further provided with a driving piece 8, the driving piece 8 is composed of a fixed rod frame 81, a rotating sleeve 82 which is rotationally sleeved on the periphery of the fixed rod frame 81, a first rocker 83 which is connected on one side of the rotating sleeve 82 far away from the pull rod 7, a second rocker 84 which is connected on one side of the rotating sleeve 82 near the pull rod 7, and a sleeve ring 85, the sleeve ring 85 is fixed with the second rocker 84, the sleeve ring 85 is sleeved on the periphery of one end of the pull rod 7 penetrating out of the rotary handle 1, the pull head 71 is arranged at the top end of the pull rod 7, and the outer diameter of the pull head 71 is larger than the outer diameter of the pull rod 7, and meanwhile, the included angle between the first rocker 83 and the second rocker 84 is 120-150 DEG, so that the medical staff can press the first rocker 83 and the second rocker 84 by using the first rocker 84 to drive the second rocker to push the pull rod 85 after the rotary handle is controlled by one hand to cut the rotary ring, and the second rocker 84 can move more conveniently.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A dermatological diagnostic sampling device comprising a rotatable handle (1) and a circular cutter (4), characterized in that: the utility model discloses a skin tissue sampling device, including rotating handle (1), outer sleeve (2) is installed in the lower extreme rotation of rotating handle (1), and the lower extreme periphery of outer sleeve (2) is equipped with limiting plate (3), annular cutter (4) run through the inside of outer sleeve (2) and stretch out the lower port of outer sleeve (2), the inside of annular cutter (4) is fixed with annular plate (5), forms the sample chamber that holds skin tissue between this annular plate (5) and annular cutter (4) lower port, the through-hole has been seted up at the middle part of annular plate (5), and the top of annular plate (5) is equipped with can follow annular cutter (4) inner wall gliding piston piece (6) to control annular plate (5) adsorb skin tissue, the top of piston piece (6) is connected with pull rod (7), and pull rod (7) run through the inside of rotating handle (1) and wear out the top surface of rotating handle (1).

2. A dermatological diagnostic sampling device according to claim 1, wherein: a plurality of raised strips (11) are uniformly arranged on the side surface of the outer circumference of the rotary handle (1), and strip grooves are formed between every two adjacent raised strips (11).

3. A dermatological diagnostic sampling device according to claim 1, wherein: the inner wall of the upper port of the outer sleeve (2) is provided with a bearing (13), the inner side of an inner shaft bushing of the bearing (13) is provided with a connecting cylinder (12), and the connecting cylinder (12) and the rotating handle (1) are integrally formed.

4. A dermatological diagnostic sampling device according to claim 1, wherein: four limiting plates (3) are uniformly distributed along the lateral surface of the outer circumference of the outer sleeve (2), and a cross structure is formed among the four limiting plates (3).

5. A dermatological diagnostic sampling device according to claim 1, wherein: the lower surface of limiting plate (3) is connected with slipmat (31), and the material of slipmat (31) adopts silica gel.

6. A dermatological diagnostic sampling device according to claim 1, wherein: the top end of the pull rod (7) is provided with a pull head (71), and the outer diameter of the pull head (71) is larger than that of the pull rod (7).

7. A dermatological diagnostic sampling device according to claim 1, wherein: the top surface of turning handle (1) still is provided with driving piece (8), and this driving piece (8) are by deciding pole frame (81), rotate and cup joint at deciding pole frame (81) outlying cover (82), connect at cover (82) one end periphery that pull rod (7) were worn out in pull rod (7) is kept away from to wane one (83), connect at cover (82) two wanes (84) and lantern ring (85) that are close to pull rod (7) one side, lantern ring (85) are fixed mutually with wane two (84), and lantern ring (85) cup joint at pull rod (7).

8. A dermatological diagnostic sampling device according to claim 7, wherein: the included angle between the first rocker (83) and the second rocker (84) is 120-150 degrees.