CN215458239U

CN215458239U - Sampling device for patients with skin diseases

Info

Publication number: CN215458239U
Application number: CN202121878897.XU
Authority: CN
Inventors: 马兰兰
Original assignee: Xinzheng Public People's Hospital
Current assignee: Xinzheng Public People's Hospital
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-11
Anticipated expiration: 2031-08-12

Abstract

A sampling device for a dermatosis, which effectively solves the problem that the skin sampling drilling depth of a trephine method is not easy to control; the needle head structure comprises an outer barrel which is axially arranged from top to bottom and has a downward opening, a fixing plate is coaxially and slidably connected in the outer barrel, the lower end of the fixing plate is coaxially provided with an annular needle head, the lower end of the fixing plate can extend out of the outer barrel, a push rod which can move up and down is coaxially arranged in the needle head, the upper end of the fixing plate is coaxially and rotatably connected with a fixing ring, the upper end of the fixing ring penetrates through the outer barrel and is in threaded connection with the outer barrel, the front side of the outer barrel is provided with a stepping groove which is vertically and longitudinally communicated, an identification box which can move up and down is arranged in the stepping groove, the upper end surface of the identification box can be in contact with the lower end surface of the fixing plate, the outer barrel is provided with a scale mark positioned on the right side of the stepping groove, and the right end of the identification box is provided with a pointer; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.

Description

Sampling device for patients with skin diseases

Technical Field

The utility model relates to the technical field of skin surgery, in particular to a sampling device for a dermatosis patient.

Background

In sampling skin, there are currently used methods such as a cutting method, a drilling method, a cutting method, and a scraping method, wherein the drilling method is common, and the operation method is to drill a subcutaneous tissue of a patient using a trephine and then pick up the sample with forceps. However, after the skin of a patient is drilled, the drilling depth is not easy to control, the fat layer can be brought out when the drill hole is too deep, the skin and the fat layer are required to be separated, the operation is complicated, the skin cannot be cut off when the drill hole is shallow, secondary drilling is required, and the workload of medical staff is increased.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, the present invention provides a sampling device for patients with skin diseases, which effectively solves the problem of difficulty in controlling the skin sampling penetration depth in the trephine method.

The outer barrel comprises an outer barrel which is axially arranged from top to bottom and has a downward opening, a fixing plate is coaxially and slidably connected in the outer barrel, the lower end of the fixing plate is coaxially provided with an annular needle head, the lower end of the fixing plate can extend out of the outer barrel, a push rod capable of moving up and down is coaxially arranged in the needle head, the upper end of the fixing plate is coaxially and rotatably connected with a fixing ring, the upper end of the fixing ring penetrates through the outer barrel and is in threaded connection with the outer barrel, a stepping groove which is vertically and longitudinally communicated is formed in the front side of the outer barrel, an identification box capable of moving up and down is arranged in the stepping groove, the upper end face of the identification box can be in contact with the lower end face of the fixing plate, a scale mark positioned on the right side of the stepping groove is arranged on the outer barrel, and a pointer is arranged at the right end of the identification box.

Compared with the prior art, the utility model has the beneficial effects that: the sign box, the setting of fixed plate, the distance to syringe needle lapse has been injectd, prevent that syringe needle lapse from causing the fat layer to be cut apart from too big, be convenient for gather the skin sample, the scale mark, the pointer, gu fixed ring's setting, make syringe needle lapse's distance more accurate, the accuracy of sample has been increased, the setting of push rod, be convenient for collect the sample after the cutting, the medical personnel's of being convenient for use, improve medical personnel's work efficiency, the utility model is simple in structure, and convenient for operation, the design is novel, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a front isometric view of the present invention.

FIG. 2 is a front elevational isometric view of the utility model in stepped section.

Figure 3 is a top isometric view in partial cutaway of the present invention.

Fig. 4 is an enlarged view of a in fig. 3 of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 4, including the urceolus 1 that upper and lower axial and opening are decurrent, coaxial sliding connection has fixed plate 2 in the urceolus 1, the coaxial lower extreme that is equipped with of fixed plate 2 can stretch out urceolus 1 and annular syringe needle 3, the coaxial push rod 4 that can reciprocate that is equipped with in the syringe needle 3, the coaxial rotation in fixed plate 2 upper end is connected with solid fixed ring 5, gu fixed ring 5 upper end runs through urceolus 1 and with urceolus 1 threaded connection, urceolus 1 front side is opened and is equipped with the groove of stepping down 6 that link up from top to bottom and front and back, be equipped with sign box 7 that can reciprocate in the groove of stepping down 6, sign box 7 up end can with the contact of the terminal surface under fixed plate 2, be equipped with the scale mark 8 that is located the groove of stepping down 6 right side on urceolus 1, sign box 7 right-hand member is equipped with pointer 9.

In order to enable the push rod 4 to move up and down, the upper end of the push rod 4 penetrates through the fixing plate 2 and is provided with a push column 10, and the upper end of the push column 10 extends out of the fixing ring 5 and is provided with a push plate 11.

In order to enable the identification box 7 to move up and down, the right side wall of the abdicating groove 6 is provided with a sliding groove in the up-down direction, the sliding groove is connected with a sliding block 12 in a sliding manner, and the sliding block 12 is fixedly connected with the identification box 7.

In order to limit the position of the identification box 7, the left side wall of the abdicating groove 6 is provided with a plurality of grooves 13 uniformly distributed along the vertical direction, and the identification box 7 is provided with an inserting column 14 which can move left and right and can be inserted into the groove 13.

In order to enable the inserting column 14 to move left and right, the right end of the inserting column 14 penetrates through the identification box 7 and is provided with a pressure spring 15 between the right side wall of the identification box 7, a slot 16 with a forward opening is formed in the inserting column 14, the front end of the identification box 7 is slidably connected with a control rod 17 in the front-back direction, the rear end of the control rod 17 penetrates through the identification box 7 and is inserted into the slot 16, and the rear end face of the control rod 17 is an inclined plane which is left, back and right and front and is in contact with the right side wall of the slot 16.

In order to increase the comfort of the patient, the lower end of the outer cylinder 1 is coaxially provided with a supporting pad 18, the supporting pad 18 is coaxially provided with a through hole, and the needle head 3 can extend out of the through hole.

When the utility model is used, the readings of the scale marks 8 are sequentially increased from top to bottom, and when the lower end surface of the needle head 3 is flush with the lower end surface of the supporting pad 18, the reading of the scale mark 8 pointed by the pointer 9 is zero;

determining the penetration depth of the needle 3, pushing the control rod 17 backwards, enabling the control rod 17 to move backwards and be inserted into the slot 16, enabling the inclined surface of the control rod 17 to be in contact with the side wall of the slot 16 and push the insertion column 14 to move rightwards, enabling the pressure spring 15 to be compressed under stress, enabling the insertion column 14 to move out of the groove 13, releasing the limit of the identification box 7, moving the identification box 7, loosening the control rod 17 when the scale mark 8 corresponding to the required depth is level with the pointer 9, enabling the insertion column 14 to move leftwards and be inserted into the groove 13 under the action of the pressure spring 15, and determining the position of the identification box 7;

the supporting pad 18 is contacted with the skin to be sampled of the patient, the skin to be sampled is positioned in the through hole, the fixing ring 5 is rotated, the fixing ring 5 moves downwards and pushes the fixing plate 2 to move downwards, the needle head 3 synchronously moves downwards and is inserted into the skin of the patient, the skin of the patient is cut into a circular area by the needle head 3, when the lower end face of the fixing plate 2 is contacted with the upper end face of the identification box 7, the fixing plate 2 stops moving downwards, at the moment, the downward moving distance of the needle head 3 is the same as the reading of the scale mark 8 pointed by the pointer 9, and the skin to be sampled of the patient is partially cut and enters the needle head 3;

the outer barrel 1 is taken down, the needle head 3 is aligned to a collection bottle of a skin sample, the push plate 11 is pushed downwards, the push plate 11 drives the push rod 4 to move downwards through the push column 10, the lower end of the push rod 4 moves downwards in the needle head 3 and pushes the skin sample in the needle head 3 downwards, the skin sample is pushed into the collection bottle of the skin sample by the push rod 4, and the skin sample collection is finished.

The utility model can set different types according to different sizes of the needle head 3, thereby carrying out sampling operations of different sizes on the skin of a patient and meeting the use requirements under different conditions.

Claims

1. A dermatosis patient sampling device comprises an outer barrel (1) which is axially arranged from top to bottom and has a downward opening, and is characterized in that a fixing plate (2) is coaxially and slidably connected in the outer barrel (1), an annular needle (3) with a lower end capable of extending out of the outer barrel (1) is coaxially arranged at the lower end of the fixing plate (2), a push rod (4) capable of moving up and down is coaxially arranged in the needle (3), a fixing ring (5) is coaxially and rotatably connected at the upper end of the fixing plate (2), the upper end of the fixing ring (5) penetrates through the outer barrel (1) and is in threaded connection with the outer barrel (1), a stepping groove (6) which is vertically and is through is arranged at the front side of the outer barrel (1), an identification box (7) capable of moving up and down is arranged in the stepping groove (6), the upper end face of the identification box (7) can be in contact with the lower end face of the fixing plate (2), a scale mark (8) positioned on the right side of the stepping groove (6) is arranged on the outer barrel (1), the right end of the identification box (7) is provided with a pointer (9).

2. The sampling device for patients with skin diseases according to claim 1, characterized in that the upper end of the push rod (4) penetrates through the fixing plate (2) and is provided with a push column (10), and the upper end of the push column (10) extends out of the fixing ring (5) and is provided with a push plate (11).

3. The sampling device for the patients with the dermatosis according to claim 1, wherein the right side wall of the abdicating groove (6) is provided with a sliding groove in the up-down direction, a sliding block (12) is connected in the sliding groove in a sliding way, and the sliding block (12) is fixedly connected with the identification box (7).

4. The sampling device for the patients with the dermatosis according to claim 1, wherein the left side wall of the abdicating groove (6) is provided with a plurality of grooves (13) which are uniformly distributed along the vertical direction, and the marking box (7) is provided with an inserting column (14) which can move left and right and can be inserted into the groove (13).

5. The dermatosis patient sampling device of claim 4, wherein the right end of the insertion column (14) penetrates through the identification box (7) and a pressure spring (15) is arranged between the right side wall of the identification box (7), an insertion groove (16) with a forward opening is formed in the insertion column (14), a control rod (17) in the front-back direction is slidably connected to the front end of the identification box (7), the rear end of the control rod (17) penetrates through the identification box (7) and is inserted into the insertion groove (16), and the rear end face of the control rod (17) is an inclined plane in the front of the left-back and the right-front and is in contact with the right side wall of the insertion groove (16).

6. The sampling device for the patients with the skin disease according to the claim 1, characterized in that the lower end of the outer cylinder (1) is coaxially provided with a supporting pad (18), the supporting pad (18) is coaxially provided with a through hole, and the needle head (3) can extend out of the through hole.