Lung cancer puncture needle sampling structure

Abstract

The utility model relates to the technical field of medical treatment, and discloses a lung cancer puncture needle sampling structure which comprises a shell, a supporting column is fixedly connected to the inner wall of the shell, a transmission assembly is arranged on the outer wall of the supporting column, a spring is arranged on the outer wall of the transmission assembly, and the outer wall of the spring is arranged on the inner wall of the shell. A sampling needle is fixedly connected to the lower surface of the transmission assembly, the outer wall of the sampling needle is slidably connected to the inner wall of the shell, and a baffle is attached to the upper surface of the transmission assembly. According to the utility model, the toothed plate and the sampling needle are fixedly connected, so that the toothed plate can drive the sampling needle to synchronously move while sliding, after sampling is completed, the gear is loosened, the toothed plate is reset by the spring, the sampling needle is further reset, and the length of the sampling needle is adjusted through the sliding of the sampling needle; therefore, tissue samples at the center of a tumor can be accurately collected, and the effect of improving the detection accuracy is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical technology field especially, relate to a lung cancer puncture needle sampling structure. BACKGROUND

[0002] Puncture needle is a kind of medical instrument for puncture operation, usually by needle tube and needle core is composed, in tumor diagnosis, through puncture needle obtains tumor tissue, carries out pathological analysis, determines the nature, type and staging of tumor, provides the basis for making treatment plan.

[0003] The existing lung cancer puncture needle usually adopts bevel needle tip design, puncture resistance is small, can smoothly penetrate skin, muscle and lung tissue, but does not have the function of adjusting the length of puncture needle, for some position special tumor, doctor can be difficult to accurately send needle tip to tumor center, leading to the inaccuracy of the tissue sample obtained, influence pathological diagnosis result. UTILITY MODEL CONTENT

[0004] In order to make up for the above insufficient, the utility model provides a lung cancer puncture needle sampling structure, aims at improving the function of not having the function of adjusting the length of puncture needle of the existing lung cancer puncture needle, leading to the inaccuracy of the tissue sample obtained, influence pathological diagnosis.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A lung cancer puncture needle sampling structure, including the inner wall of shell fixedly connected with support column, the outer wall of support column is provided with transmission assembly, the outer wall of transmission assembly is provided with spring, the outer wall of spring is arranged in the inner wall of shell, the lower surface of transmission assembly is fixedly connected with sampling needle, the outer wall of sampling needle is slidably connected in the inner wall of shell, the upper surface of transmission assembly is pasted with baffle, the outer wall of baffle is fixedly connected in the inner wall of shell, the outer wall of transmission assembly is fixedly connected with sliding plate, the outer wall of sliding plate is slidably connected in the inner wall of shell.

[0007] Preferably, the transmission assembly includes a gear, the inner wall of the gear is rotatably connected to the outer wall of the support column, the gear end is engaged with a toothed plate, the outer wall of the spring is provided on the outer wall of the toothed plate, the upper surface of the sampling needle is fixedly connected to the lower surface of the toothed plate, the upper surface of the toothed plate is pasted to the lower surface of the baffle, and the outer wall of the toothed plate is fixedly connected to the outer wall of the sliding plate.

[0008] Preferably, the inner wall of the shell is provided with a sliding groove, and the sliding plate is slidably connected to the inner wall of the shell through the sliding groove.

[0009] Preferably, the inner wall of the shell is provided with a hole, and the sampling needle is slidably connected to the inner wall of the shell through the hole.

[0010] Preferably, the outer wall of the shell is fixedly connected with a handle, and the outer wall of the shell is provided with a holding groove.

[0011] Preferably, the material of the sampling needle is made of an antibacterial layer and a reinforcing layer.

[0012] Preferably, the material of the antibacterial layer is made of zinc oxide.

[0013] Preferably, the material of the reinforcing layer is made of high manganese steel.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the gear drives the gear plate to slide, and the gear plate slides while stretching the spring, because the gear plate and the sampling needle are fixedly connected, so the gear plate slides while driving the sampling needle to move synchronously, when the sampling is completed, the gear is loosened, at the moment the spring resets the gear plate, and then resets the sampling needle, through the sliding of the sampling needle, the length of the sampling needle is adjusted, so that the tumor center tissue sample can be accurately taken, and the detection accuracy is improved.

[0016] 2. In the utility model, the zinc oxide has excellent antibacterial property, so that the surface of the sampling needle is sterile, the patient is not hurt again, and the high manganese steel has excellent strength and toughness, so that the sampling needle does not bend during sampling, and the medical staff can operate conveniently. DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the lung cancer puncture needle sampling structure;

[0018] Figure 2 It is a shell cross-sectional structure schematic view of the lung cancer puncture needle sampling structure;

[0019] Figure 3 It is a spring local structure schematic view of the lung cancer puncture needle sampling structure;

[0020] Figure 4 It is a holding groove local structure schematic view of the lung cancer puncture needle sampling structure;

[0021] Figure 5 It is an antibacterial layer local structure schematic view of the lung cancer puncture needle sampling structure.

[0022] LEGEND:

[0023] 1, shell; 2, support column; 3, gear; 4, toothed plate; 5, spring; 6, sampling needle; 7, baffle; 8, sliding plate; 9, sliding groove; 10, hole; 11, handle; 12, holding groove; 13, antibacterial layer; 14, reinforcing layer. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Referring to Figures 1-3 An embodiment provided by the utility model: a lung cancer puncture needle sampling structure, the inner wall of shell 1 is fixedly connected with support column 2, the outer wall of support column 2 is provided with transmission assembly, the outer wall of transmission assembly is provided with spring 5, the outer wall of spring 5 is arranged on the inner wall of shell 1, the lower surface of transmission assembly is fixedly connected with sampling needle 6, the outer wall of sampling needle 6 is slidably connected on the inner wall of shell 1, the upper surface of transmission assembly is attached with baffle 7, the outer wall of baffle 7 is fixedly connected on the inner wall of shell 1, the outer wall of transmission assembly is fixedly connected with sliding plate 8, the outer wall of sliding plate 8 is slidably connected on the inner wall of shell 1;

[0026] Specifically, first rotate transmission assembly, through the fixed effect of transmission assembly and sliding plate 8, sliding plate 8 will be driven to slide on the inner wall of shell 1, through the fixed effect of transmission assembly and sampling needle 6, sampling needle 6 will be driven to move, spring 5 is used to reset transmission assembly, baffle 7 is used to limit transmission assembly, by rotating gear 3, the effect that the length of sampling needle 6 is freely adjusted is realized.

[0027] Referring to Figures 2-4 Transmission assembly includes gear 3, the inner wall of gear 3 is rotatably connected on the outer wall of support column 2, the tooth end of gear 3 is meshingly connected with toothed plate 4, the outer wall of spring 5 is arranged on the outer wall of toothed plate 4, the upper surface of sampling needle 6 is fixedly connected on the lower surface of toothed plate 4, the upper surface of toothed plate 4 is attached on the lower surface of baffle 7, the outer wall of toothed plate 4 is fixedly connected on the outer wall of sliding plate 8;The inner wall of shell 1 is provided with sliding groove 9, sliding plate 8 is slidably connected on the inner wall of shell 1 through sliding groove 9;The inner wall of shell 1 is provided with hole 10, sampling needle 6 is slidably connected on the inner wall of shell 1 through hole 10;The outer wall of shell 1 is fixedly connected with handle 11, the outer wall of shell 1 is provided with holding groove 12;

[0028] Specifically, the rotating gear 3 drives the toothed plate 4 to move through the meshing relationship between the gear 3 and the toothed plate 4, and then drives the sampling needle 6 to move through the fixed action of the toothed plate 4 and the sampling needle 6. The sliding groove 9 is used to limit the running track of the sliding plate 8, and then limit the running track of the toothed plate 4. The hole 10 is used to limit the running track of the sampling needle 6. The handle 11 and the holding groove 12 cooperate with each other to improve the comfort of the medical staff when holding.

[0029] With reference to Figure 1 and Figure 5 , the material of the sampling needle 6 is made of an antibacterial layer 13 and a reinforcing layer 14. The material of the antibacterial layer 13 is made of zinc oxide. The material of the reinforcing layer 14 is made of high manganese steel.

[0030] Specifically, zinc oxide has good biocompatibility and antibacterial and anti-inflammatory effects, which can improve the overall antibacterial property of the sampling needle 6. High manganese steel has excellent strength, which can provide excellent hardness for the sampling needle 6. Through the cooperation of the antibacterial layer 13 and the reinforcing layer 14, the overall antibacterial property and overall hardness of the sampling needle 6 are improved, and the effect of avoiding the bending of the sampling needle 6 to harm the patient is achieved.

[0031] Working principle: first hold the handle 11 to grab the shell 1, and then rotate the gear 3 to make the toothed plate 4 slide on the inner wall of the shell 1 through the sliding plate 8. The toothed plate 4 will drive the sampling needle 6 to move when it slides. The toothed plate 4 will also cooperate with the shell 1 to stretch the spring 5 at the same time. When the sampling is completed, the toothed plate 4 will slide upward under the self-tension of the spring 5, and then the sampling needle 6 will be retracted into the shell 1. Through the sliding of the toothed plate 4, the length of the sampling needle 6 is adjusted, thereby improving the positive rate of pathological diagnosis.

[0032] The material of the antibacterial layer 13 is zinc oxide, which has excellent antibacterial and anti-inflammatory properties, thereby avoiding the surface of the sampling needle 6 from being covered with bacteria, preventing bacteria from entering the patient's body during use, and causing discomfort to the patient. The material of the reinforcing layer 14 is high manganese steel, which has high hardness and certain toughness, thereby avoiding the bending of the sampling needle 6 during use, affecting the operation of the medical staff. Through the cooperation between the antibacterial layer 13 and the reinforcing layer 14, not only can the surface of the sampling needle 6 be sterile, but also the overall strength of the sampling needle 6 can be improved, so that it will not bend when it enters the patient's body, achieving the effect of facilitating the sampling of the medical staff.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A lung cancer puncture needle sampling structure comprising a housing (1), characterized in that: The inner wall of the shell (1) is fixedly connected with a support column (2), the outer wall of the support column (2) is provided with a transmission assembly, the outer wall of the transmission assembly is provided with a spring (5), the outer wall of the spring (5) is arranged on the inner wall of the shell (1), the lower surface of the transmission assembly is fixedly connected with a sampling needle (6), the outer wall of the sampling needle (6) is slidingly connected with the inner wall of the shell (1), the upper surface of the transmission assembly is attached with a baffle (7), the outer wall of the baffle (7) is fixedly connected with the inner wall of the shell (1), and the outer wall of the transmission assembly is fixedly connected with a sliding plate (8). The outer wall of the sliding plate (8) is slidingly connected with the inner wall of the shell (1).

2. The lung cancer puncture needle sampling structure according to claim 1, wherein: The transmission assembly comprises a gear (3), the inner wall of the gear (3) is rotatably connected with the outer wall of the support column (2), the tooth end of the gear (3) is engagedly connected with a toothed plate (4), the outer wall of the spring (5) is arranged on the outer wall of the toothed plate (4), the upper surface of the sampling needle (6) is fixedly connected with the lower surface of the toothed plate (4), the upper surface of the toothed plate (4) is attached with the lower surface of the baffle (7), and the outer wall of the toothed plate (4) is fixedly connected with the outer wall of the sliding plate (8).

3. The lung cancer puncture needle sampling structure according to claim 1, wherein: The inner wall of the shell (1) is provided with a sliding groove (9), and the sliding plate (8) is slidingly connected with the inner wall of the shell (1) through the sliding groove (9).

4. The lung cancer puncture needle sampling structure according to claim 1, characterized in that: The inner wall of the shell (1) is provided with a hole (10), and the sampling needle (6) is slidingly connected with the inner wall of the shell (1) through the hole (10).

5. The lung cancer puncture needle sampling structure according to claim 1, characterized in that: The outer wall of the shell (1) is fixedly connected with a handle (11), and the outer wall of the shell (1) is provided with a holding groove (12).

6. The lung cancer puncture needle sampling structure according to claim 1, wherein: The material of the sampling needle (6) is made of an antibacterial layer (13) and a reinforcing layer (14).

7. The lung cancer puncture needle sampling structure according to claim 6, characterized in that: The material of the antibacterial layer (13) is made of zinc oxide.

8. The lung cancer puncture needle sampling structure according to claim 6, characterized in that: The material of the reinforcing layer (14) is made of high manganese steel.

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