CN215651279U

CN215651279U - Clinical sampler of dermatology

Info

Publication number: CN215651279U
Application number: CN202121201180.1U
Authority: CN
Inventors: 高吉; 陈丹; 申小平
Original assignee: Affiliated Hospital of Guizhou Medical University
Current assignee: Affiliated Hospital of Guizhou Medical University
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-28
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a clinical sampler for dermatology, and relates to the technical field of dermatology sampling. The cutting device comprises a cross rod, two sliding rods are sequentially installed on the cross rod in a sliding mode along the length direction of the cross rod, an elastic assembly is connected between the two sliding rods along the length direction of the cross rod, hinge rods are hinged to the same side ends of the two sliding rods, annular blades perpendicular to the cross rod are hinged to the free ends of the two hinge rods together, a cutting blade is installed on the inner wall of each annular blade, one end of each cutting blade is installed at a knife edge position, far away from one end of each hinge rod, of each annular blade, and the other end of each cutting blade extends to the deep position of the annular blade and is located on the central axis of the annular blade. The utility model uses the cooperation of the guide component, the hinged rod and the sliding rod to insert the annular blade into the skin, and the cutting blade arranged in the annular blade after the device is rotated cuts the tissue on the surface layer of the skin.

Description

Clinical sampler of dermatology

Technical Field

The utility model relates to the technical field of dermatology sampling, in particular to a clinical sampler for dermatology.

Background

The dermatology department belongs to the surgery department, mainly treats various skin diseases, and common skin diseases comprise psoriasis, herpes, rosacea, impetigo, pyogenic bacteria infection, scars, tinea, ichthyosis, bromhidrosis, whelk, folliculitis, alopecia areata and alopecia, andrology, baby diaper rash, corns, freckles, pompholyx, mite dermatitis, vitiligo, eczema, onychomycosis, scleroderma, skin pruritus, oral cavity nursing, depilation, chloasma and the like.

When the skin disease is treated, the pathological skin of a patient needs to be sampled frequently so as to be convenient for further diagnosis of the skin disease, a skin trephine sampler is used in an existing commonly-used sampling tool, the trephine sampler is inserted into the skin to rotate for several circles and then taken out, and the adhered part between the tissue in the sampler and the human tissue is cut off by scissors, so that the sampling mode is complicated in operation, cannot be in place in one step, and is slow in sampling progress, and therefore the clinical sampler for the dermatology is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a clinical sampler for dermatology, aiming at solving the problems of complex operation and slow sampling progress of the traditional trephine sampler.

The utility model specifically adopts the following technical scheme for realizing the purpose:

a clinical sampler for dermatology comprises a cross rod, wherein two slide rods are sequentially arranged on the cross rod in a sliding manner along the length direction of the cross rod, an elastic component is connected between the two slide rods along the length direction of the cross rod, hinge rods are hinged at the same side ends of the two slide rods, the free ends of the two hinge rods are hinged with an annular blade perpendicular to the cross rod, a cutting blade is arranged on the inner wall of the annular blade, one end of the cutting blade is arranged at a knife edge position of the annular blade far away from one end of the hinged rod, the other end of the cutting blade extends deep into the annular blade and is located at the central axis of the annular blade, the side surface of the cutting blade facing the central axis of the annular blade and two side surfaces of the cutting blade vertical to the side surface are both provided with cutting edges along the length direction, and a guide assembly is arranged between the annular blade and the cross rod along the length direction of the annular blade.

Further, the elastic component comprises a spring which is connected between the two sliding rods along the length direction of the cross rod and sleeved on the cross rod.

Further, two the articulated rod is kept away from the one end of slide bar articulates jointly has the connecting block, annular blade is close to the one end of articulated rod with connecting block threaded connection.

Furthermore, the surfaces of the two sliding rods, which are far away from the cross rod, are provided with anti-skid grains.

Further, be fixed with between the both ends of horizontal pole and be on a parallel with the dead lever of horizontal pole, the direction subassembly includes to follow annular blade length direction connects the dead lever with sleeve pipe and loop bar between the connecting block, loop bar one end is along its length direction slidable mounting in intraductal, sheathed tube free end with the free end of loop bar respectively with the dead lever with the connecting block is fixed.

Further, the fixing rod is mounted on the cross rod in a bolt fixing mode.

The utility model has the following beneficial effects:

according to the utility model, the annular blade is inserted into the skin by utilizing the matching of the guide assembly, the hinge rod and the slide rod, the cutting blade arranged in the annular blade after the device is rotated cuts the tissue on the surface layer of the skin, and then the elastic assembly drives the annular blade to be rapidly pulled out from the human body, so that the operation is simple and rapid, and the progress of the sampling process is accelerated.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side view block diagram of the present invention;

FIG. 3 is another perspective view of the present invention;

reference numerals: 1. a cross bar; 2. a slide bar; 3. an elastic component; 301. a spring; 4. a hinged lever; 5. an annular blade; 6. a cutting blade; 7. a guide assembly; 8. connecting blocks; 9. anti-skid lines; 10. fixing the rod; 11. a sleeve; 12. a loop bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention 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 figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

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. 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, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-3, the cutting device comprises a cross bar 1, two sliding rods 2 are sequentially installed on the cross bar 1 in a sliding manner along the length direction of the cross bar, an elastic component 3 is connected between the two sliding rods 2 along the length direction of the cross bar 1, hinged rods 4 are hinged to the same side ends of the two sliding rods 2, a circular blade 5 perpendicular to the cross bar 1 is hinged to the free ends of the two hinged rods 4, a cutting blade 6 is installed on the inner wall of the circular blade 5, one end of the cutting blade 6 is installed at a knife edge of the circular blade 5 far away from one end of the hinged rod 4, the other end of the cutting blade 6 extends to the deep part of the circular blade 5 and is located at the central axis of the circular blade 5, a cutting edge is configured on the side of the cutting blade 6 facing the central axis of the circular blade 5 and on the two sides of the cutting blade 6 perpendicular to the side along the length direction, a guide component 7 is arranged between the circular blade 5 and the cross bar 1 along the length direction of the circular blade 5, when the device is used, the knife edge at the free end of the annular blade 5 is aligned with the skin to be sampled and is in contact with the surface of the skin, the two slide bars 2 are held by hands and drive the two slide bars 2 to move close to each other, the elastic component 3 connected between the two slide bars 2 is gradually compressed, the hinge rod 4 connected between the slide bars 2 and the annular blade 5 is gradually inclined, the annular blade 5 moves along the length direction of the annular blade 5 under the action of the guide component 7 at the moment, so that the annular blade 5 is inserted into the skin, in the process of inserting the annular blade 5 into the skin, the blade edge on the cutting blade 6 facing to the central axis of the annular blade 5 cuts the skin along the moving path of the blade, the blade edge is designed to be convenient to insert the device into the skin, then the central axis of the annular blade 5 of the device is manually driven to rotate for a circle by taking the central axis of the annular blade 5 as the axis, and the blade edge on the cutting blade 6 perpendicular to the central axis of the annular blade 5 cuts the skin in the rotating process of the device Because the free end of the cutting blade 6 is positioned at the central axis of the annular blade 5, the cutting edge can cut off the tissue added in the depth of the annular blade 5 and the tissue on the body after the device rotates for a circle, then external force for making the two sliding rods 2 move close to each other is released, the two sliding rods 2 reset quickly under the action of the elastic component 3, the annular blade 5 is pulled out from the skin, at the moment, the tissue clamped in the annular blade 5 is taken out, so that the inspection operation can be carried out, the whole process is in place in one step, and compared with the traditional trephine sampler, the design operation of the utility model is more convenient and quicker, and the progress of the sampling process is accelerated.

As shown in fig. 2, in order to refine the specific structure of the elastic component 3, the elastic component 3 includes a spring 301 connected between the two sliding rods 2 along the length direction of the cross rod 1 and sleeved on the cross rod 1, in the non-motion state, the spring 301 is in a freely extending state, after the two sliding rods 2 exert external forces close to each other, the spring 301 is compressed, and after the external forces exerted on the two sliding rods 2 are released, the spring 301 extends its elastic force to drive the device to be taken out from the human body.

In some embodiments, as shown in fig. 3, in order to facilitate the removal of the ring blade 5 from the device, the ends of the two hinge rods 4 far away from the sliding rod 2 are jointly hinged with a connecting block 8, the end of the ring blade 5 near the hinge rods 4 is in threaded connection with the connecting block 8, and the threaded connection of the ring blade 5 on the connecting block 8 is designed to facilitate the replacement of the ring blade 5 and avoid cross-infection.

In some embodiments, as shown in fig. 2, in order to facilitate the grasping of the device, the surfaces of the two sliding rods 2, which are far away from the cross rod 1, are provided with anti-slip lines 9, which can prevent the sampling person from slipping his or her hands and dropping the device from his or her hands.

As shown in fig. 2, in some embodiments, in order to refine the specific structure of the guiding assembly 7, a fixing rod 10 parallel to the cross rod 1 is fixed between two ends of the cross rod 1, the guiding assembly 7 includes a sleeve 11 and a sleeve 12 connected between the fixing rod 10 and the connecting block 8 along the length direction of the annular blade 5, one end of the sleeve 12 is slidably installed inside the sleeve 11 along the length direction thereof, the free end of the sleeve 11 and the free end of the sleeve 12 are fixed with the fixing rod 10 and the connecting block 8 respectively, after an external force of mutual approaching movement is applied to the two sliding rods 2, the sleeve 12 moves along the length direction of the sleeve 11 under the driving of the movement of the annular block, since one end of the sleeve 11 is fixed with the fixing rod 10, and the fixing rod 10 is installed on the cross rod 1, the sleeve 12 and the sleeve 11 are designed to play a guiding role, so that the device can be accurately inserted into the skin.

As shown in fig. 2, the fixing rod 10 is mounted on the cross bar 1 by means of bolt fixing, so as to facilitate the dismounting and mounting of the device.

Claims

1. The utility model provides a clinical sampler of dermatology department, includes horizontal pole (1), its characterized in that, horizontal pole (1) has two slide bars (2) along its length direction slidable mounting in proper order, two follow between slide bar (2) horizontal pole (1) length direction is connected elastic component (3), two the homonymy end of slide bar (2) all articulates there is hinge bar (4), two the free end of hinge bar (4) articulates jointly has perpendicular to annular blade (5) of horizontal pole (1), install cutting blade (6) on annular blade (5) inner wall, install cutting blade (6) one end annular blade (5) are kept away from the knife edge department of hinge bar (4) one end, the other end of cutting blade (6) extends to annular blade (5) depths and is located the central axis department of annular blade (5), the cutting blade (6) faces to the side face of the central axis of the annular blade (5) and two side faces perpendicular to the side face of the cutting blade (6) are both provided with cutting edges along the length direction of the cutting blade, and a guide assembly (7) is arranged between the annular blade (5) and the cross rod (1) along the length direction of the annular blade (5).

2. Clinical sampler according to claim 1, characterized in that the elastic element (3) comprises a spring (301) connected between the two sliding rods (2) along the length of the cross-bar (1) and fitted over the cross-bar (1).

3. A dermatological clinical sampler according to claim 1, wherein the ends of the two hinged rods (4) remote from the sliding rod (2) are jointly hinged with a connecting block (8), and the end of the annular blade (5) close to the hinged rods (4) is in threaded connection with the connecting block (8).

4. Clinical dermatological sampler according to claim 1, wherein the surfaces of the two slide bars (2) remote from the cross bar (1) are provided with anti-slip threads (9).

5. A clinical sampler according to claim 3, wherein a fixing rod (10) parallel to the cross rod (1) is fixed between the two ends of the cross rod (1), the guiding assembly (7) comprises a sleeve (11) and a sleeve rod (12) connected between the fixing rod (10) and the connecting block (8) along the length direction of the annular blade (5), one end of the sleeve rod (12) is slidably mounted inside the sleeve (11) along the length direction thereof, and the free end of the sleeve rod (11) and the free end of the sleeve rod (12) are fixed with the fixing rod (10) and the connecting block (8), respectively.

6. Dermatological clinical sampler according to claim 5, wherein the fixing rod (10) is mounted on the cross-bar (1) by means of bolting.