CN219661759U - Manual device for skin test - Google Patents

Abstract

The utility model discloses a manual device for skin test, which comprises a base, wherein bearing seats are fixedly arranged on two sides of the inside of the base, a rotatable screw rod is inserted into the bearing seats, a screw rod nut is sleeved on the external threads of the screw rod, a sliding block is fixedly arranged on the external part of the screw rod nut, a deflector rod is fixedly arranged on the outer wall of one side of the sliding block, and one end, far away from the sliding block, of the deflector rod is provided with a skin test needle clamped in the base. According to the utility model, the deflector rod mechanism is added on the sliding block, the deflector rod mechanism is connected with the sliding block and moves together with the sliding block, the other end of the deflector rod is connected with the cap head of the skin test needle, the manual operation handle rotates, and the sliding block moves to drive the cap head of the skin test needle to move back and forth together, so that the purpose of sucking and injecting skin test liquid is achieved. The device can realize contactless liquid preparation, avoids causing the pollution to the syringe, and when the assembly, upwards skin test needle syringe needle inclined plane can avoid the loaded down with trivial details operation when inserting the needle under traditional mode.

Description

Manual device for skin test

Technical Field

The utility model relates to the technical field of medical treatment, in particular to a manual device for skin test.

Background

Skin test is an abbreviation for skin (or intradermal) sensitivity test, which is the most commonly used specificity test for preventing allergic reactions in clinic. In order to prevent anaphylactic reaction, especially serious anaphylactic reaction, some medicines which are easy to generate anaphylactic reaction are required to be subjected to skin sensitivity test before use, and medicines with negative skin test can be used for patients, and the medicines with positive skin test are forbidden to be used. These drugs that require skin testing are known as skin test drugs.

Traditional skin test method: the skin test solution was withdrawn using a 1mL disposable syringe, and the air in the syringe was purged. Tightening the skin of the patient by one hand, holding the needle by the other hand, inserting the needle at an angle of 5-15 degrees with the skin with the inclined surface of the needle head upwards, and injecting 0.02-0.03mL of skin test solution intradermally to form a skin dome with the diameter of 3 mm.

With the innovation of medical institutions in China, the requirements on medical instruments are higher and higher; the traditional skin test method has the defects of high working strength and obvious human factors. Can not serve medical skin test well any more, and has low working efficiency when medical staff performs skin test on patients. Therefore, there is a need to design a manual device for skin test to solve the above problems.

Disclosure of Invention

The object of the present utility model is to provide a manual device for skin test which solves the above-mentioned drawbacks of the prior art.

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

the utility model provides a manual device for skin test, includes the base, the inside both sides fixed mounting of base has the bearing frame, and the inside grafting of bearing frame has rotatable lead screw, the outside screw thread of lead screw has cup jointed screw-nut, screw-nut's outside fixed mounting has the slider, fixed mounting has the driving lever on the outer wall of one side of slider, the one end that the slider was kept away from to the driving lever is provided with the joint at the inside skin test needle of base.

Preferably, one end of the screw rod is provided with a handle positioned outside the base.

Preferably, the skin test needle comprises a needle cylinder, a pintle with a piston is inserted into one end of the needle cylinder, a cap head which is clamped with a deflector rod is fixedly arranged outside one end of the pintle, a nipple is arranged outside one end of the needle cylinder, and a needle head is sleeved on the nipple.

Preferably, the inclined surface of the needle is arranged upwards in the base.

Preferably, an inclined plane is arranged on one side of the bottom of the base, and the angle of the inclined plane is 5-15 degrees.

Preferably, an upper cover is buckled above the base.

Preferably, one side of the upper cover is provided with an installation opening for installing the bearing seat, a slideway for moving the deflector rod is formed after the upper cover is buckled on the base, and an installation groove for installing the skin test needle in a matched mode with the base is formed in the upper cover.

According to the manual device for skin test, the deflector rod mechanism is additionally arranged on the sliding block, the deflector rod mechanism is connected with the sliding block and moves together with the sliding block, the other end of the deflector rod is connected with the cap head of the skin test needle, the manual operation handle rotates, the sliding block moves to drive the cap head of the skin test needle to move back and forth together, the purpose of sucking and injecting skin test liquid is achieved, the device can achieve contactless liquid preparation, pollution to the injector is avoided, during assembly, the inclined surface of the needle head of the skin test needle is upwards, tedious operation during needle insertion in a traditional mode can be avoided, an inclined surface is arranged at one side of the lower end of the base, the needle is attached to an arm of a patient during needle insertion, the needle insertion is convenient to be carried out at an angle with skin, the rotary handle is operated, the adjusting precision is high, and accurate injection of 0.02-0.03mL of skin test liquid can be achieved.

Compared with the traditional skin test method, the utility model can obviously lighten the working intensity of medical staff, improve the working efficiency of the medical staff, also can avoid the pollution of the medical staff to the injector, and has positive effects of saving labor cost and improving service efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of a manual apparatus for skin test according to an embodiment of the present utility model.

FIG. 2 is a schematic illustration of a manual apparatus for skin test according to an embodiment of the present utility model with the upper cover removed.

Fig. 3 is a schematic view of a syringe structure provided by an embodiment of a manual apparatus for skin test according to the present utility model.

Fig. 4 is a schematic diagram showing a transmission structure of a screw and a slider provided by an embodiment of a manual apparatus for skin test according to the present utility model.

Fig. 5 is a schematic view of a top cover structure provided by an embodiment of a manual apparatus for skin test according to the present utility model.

Reference numerals illustrate:

1 upper cover, 2 base, 3 bearing seat, 4 screw rods, 5 handles, 6 screw rod nuts, 7 sliding blocks, 8 deflector rods, 9 skin test needles, 10 needle cylinders, 11 needle bolts, 12 cap heads, 13 nipple, 14 needle heads, 15 inclined planes, 16 mounting openings, 17 sliding ways and 18 mounting grooves.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-5, the manual device for skin test provided by the embodiment of the utility model comprises a base 2, wherein bearing seats 3 are fixedly arranged on two sides of the interior of the base 2, a rotatable screw rod 4 is inserted into the bearing seats 3, a screw rod nut 6 is sleeved on the external thread of the screw rod 4, a sliding block 7 is fixedly arranged on the external part of the screw rod nut 6, a deflector rod 8 is fixedly arranged on the outer wall of one side of the sliding block 7, and one end, far away from the sliding block 7, of the deflector rod 8 is provided with a skin test needle 9 which is clamped in the base 2.

Specifically, in this embodiment, including base 2, the inside both sides fixed mounting of base 2 has bearing frame 3, and the inside grafting of bearing frame 3 has rotatable lead screw 4, and lead screw nut 6 has been cup jointed to the outside screw thread of lead screw 4, and the outside fixed mounting of lead screw nut 6 has slider 7, and fixed mounting has driving lever 8 on the outer wall of one side of slider 7, and driving lever 8 keeps away from the one end of slider 7 and is provided with the skin test needle 9 of joint in base 2 inside.

The utility model provides a manual device for skin test, which is characterized in that a deflector rod 8 mechanism is added on a sliding block 7, the deflector rod mechanism is connected with the sliding block 7 and moves together with the sliding block 7, the other end of the deflector rod 8 is connected with the cap head of a skin test needle 9, a manual operation handle rotates, and the sliding block 7 moves to drive the cap head of the skin test needle 8 to move back and forth together, so that the purpose of sucking and injecting skin test liquid is achieved.

In one embodiment provided by the utility model, one end of the screw rod 4 is provided with the handle 5 positioned outside the base 2, the screw rod 4 is rotated by operating the handle 5, the screw rod nut 6 and the sliding block 7 are driven to move, the adjusting precision is high, and the accurate injection of 0.02-0.03mL of skin test solution can be realized.

In one embodiment provided by the utility model, the skin test needle 9 comprises a needle cylinder 10, a pintle 11 with a piston is inserted into one end of the needle cylinder 10, a cap 12 clamped with a deflector rod 8 is fixedly arranged outside one end of the pintle 11, a nipple 13 is arranged outside one end of the needle cylinder 10, and a needle head 14 is sleeved on the nipple 13.

In another embodiment provided by the utility model, the bevel of the needle 14 is mounted upwards inside the base 2, facilitating the insertion of the needle at an angle to the skin.

In still another embodiment provided by the utility model, one side of the bottom of the base 2 is provided with the inclined plane 15, and the angle of the inclined plane 15 is 5 degrees to 15 degrees, so that the needle can be conveniently inserted into the skin at an angle by being attached to the arm of a patient during needle insertion.

In one embodiment provided by the utility model, an upper cover 1 is buckled above a base 2, one side of the upper cover 1 is provided with a mounting opening 16 for mounting a bearing seat 3, a slideway 17 for moving a deflector rod 8 is formed after the upper cover 1 is buckled on the base 2, and the upper cover 1 is provided with a mounting groove 18 of a skin test needle 9 which is matched with the base 2.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. The utility model provides a manual device for skin test, includes base (2), its characterized in that, the inside both sides fixed mounting of base (2) have bearing frame (3), and the inside grafting of bearing frame (3) has rotatable lead screw (4), the outside screw thread of lead screw (4) has cup jointed lead screw nut (6), the outside fixed mounting of lead screw nut (6) has slider (7), fixed mounting has driving lever (8) on the outer wall of one side of slider (7), the one end that slider (7) was kept away from to driving lever (8) is provided with joint at inside skin test needle (9) of base (2).

2. A manual device for skin test according to claim 1, characterized in that one end of the screw (4) is provided with a handle (5) located outside the base (2).

3. A manual device for skin test according to claim 1, characterized in that the skin test needle (9) comprises a needle cylinder (10), a needle bolt (11) with a piston is inserted into one end of the needle cylinder (10), a cap head (12) clamped with a deflector rod (8) is fixedly arranged outside one end of the needle bolt (11), a nipple (13) is arranged outside one end of the needle cylinder (10), and a needle head (14) is sleeved on the nipple (13).

4. A manual device for skin test according to claim 3, characterized in that the bevel of the needle (14) is mounted upwards inside the base (2).

5. A manual device for skin test according to claim 1, characterized in that the base (2) is provided with a bevel (15) on the bottom side, and that the angle of the bevel (15) is 5 ° -15 °.

6. A manual device for skin test according to claim 1, characterized in that an upper cover (1) is fastened above the base (2).

7. The manual device for skin test according to claim 6, wherein a mounting opening (16) for mounting the bearing seat (3) is formed on one side of the upper cover (1), a slideway (17) for moving the deflector rod (8) is formed after the upper cover (1) is buckled on the base (2), and a mounting groove (18) for a skin test needle (9) mounted in a matched manner with the base (2) is formed on the upper cover (1).