Maxillary sinus puncture needle

Abstract

The utility model relates to a maxillary sinus puncture needle which comprises a puncture needle base, grab handles are symmetrically arranged on the two sides of the puncture needle base, a connecting rod is arranged at the top of the puncture needle base, a needle handle is connected to one end of the connecting rod in a sliding mode, an inner needle is fixedly connected to one end of the needle handle, and an outer sleeve is arranged at the bottom of the puncture needle base. The inner needle penetrates through the outer sleeve, and a holding assembly is arranged on the puncture needle base. The holding assembly comprises a holding sleeve, a containing groove is formed in the top of the holding sleeve, the puncture needle base is clamped into the containing groove, the holding handle is clamped into the limiting groove, and a through hole is formed in the bottom of the containing groove. When in use, the holding sleeve is sleeved on the surface of the puncture needle seat, so that the puncture needle seat is clamped in the placing groove, the holding handle is clamped in the limiting groove, and the puncture needle seat is fixed through the mutual matching of the placing groove and the limiting groove. And the holding sleeve is arranged to increase the holding area, so that taking and using are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of puncture needles, in particular to a maxillary sinus puncture needle. Background Art

[0002] Sinusitis is a nonspecific inflammation of the sinus mucosa and is a common and frequently occurring disease in rhinology. The so-called sinuses are air-filled cavities in the facial skull surrounding the nasal cavity; there are four pairs of sinuses: the frontal sinus, the maxillary sinus, the ethmoid sinus, and the sphenoid sinus. When maxillary sinusitis occurs, puncture and irrigation are commonly used. The steps are as follows: after the puncture needle enters the sinus cavity, the needle core is withdrawn, and sterile saline is drawn into a syringe connected to a rubber tube and connected to the puncture needle. Using a cannula needle to pierce the sinus bone wall and perform sinus cavity irrigation and examination is called sinus puncture and irrigation, which is mostly used for the maxillary sinus. The purpose of maxillary sinus puncture is to diagnose and treat maxillary sinus diseases.

[0003] A search of the existing published patent application number: CN201520182994.3, the published patent name: A maxillary sinus puncture needle, comprising an outer needle and an inner needle; the outer needle comprises a needle sleeve and a needle tube connected to one end of the needle sleeve; the needle sleeve has a through hole extending therethrough, and a limiting groove is provided on one side of its inlet end; the inner needle is matched and inserted into the interior of the outer needle, and comprises a needle handle and a needle body; a limiting post is provided on the outer side of one end of the needle handle, which matches the limiting groove; the needle handle is inserted into the through hole of the needle sleeve and is limited in position by the limiting post and the limiting groove; the needle body is a solid needle body structure, which is matched and inserted into the tube hole of the needle tube, and the needle tip is kept flush with the needle tip of the needle tube; the needle body also has a micro position sensor at the tip, which is connected to an external computer via an electrical signal. The utility model has a simple and reasonable structural design, is simple, convenient and safe to use, can monitor the puncture needle's movement trajectory in real time, facilitates medical personnel to understand the puncture, and improves puncture efficiency.

[0004] However, when the existing puncture needle is used, the needle sleeve and the push rod have small diameters, which are inconvenient to hold, difficult to apply force, and inconvenient to use for puncture, so there is room for improvement. Summary of the Invention

[0005] In view of the above-mentioned deficiencies in the prior art, the present invention provides a maxillary sinus puncture needle, which solves the problems of being difficult to hold, difficult to apply force, and inconvenient to use for puncture due to its small diameter.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a maxillary sinus puncture needle, comprising: a puncture needle seat, grips symmetrically provided on both sides of the puncture needle seat, a connecting rod provided on the top of the puncture needle seat, one end of the connecting rod being slidably connected to the needle handle, one end of the needle handle being fixedly connected to an inner needle, an outer sleeve provided at the bottom of the puncture needle seat, the inner needle passing through the outer sleeve, and a grip assembly provided on the puncture needle seat;

[0007] The gripping assembly includes a gripping sleeve, the top of the gripping sleeve is respectively provided with a placement groove, the puncture needle seat is snapped into the placement groove, the gripping handle is snapped into the limiting groove, and the bottom of the placement groove is provided with a through hole.

[0008] Preferably, the through hole has the same outer diameter as the outer sleeve, and the gripping sleeve is configured as a silicone sleeve.

[0009] Preferably, the surface of the handle is provided with anti-slip grooves, and the surface of the grip sleeve is provided with anti-slip protrusions.

[0010] Preferably, the top of the connecting rod is fixedly connected to a limiting plate, a positioning groove is provided on the upper surface of the limiting plate, the top of the needle handle is fixedly connected to a limiting block, and the surface of the limiting block is fixedly connected to a limiting column.

[0011] Preferably, the positioning groove and the limiting column have the same size, a pressing plate is fixedly connected to the top of the limiting block, and a rubber pad is provided on the top of the pressing plate.

[0012] Preferably, the limiting groove is the same length as the handle.

[0013] Preferably, the bottom of the gripping sleeve is provided with a first rounded corner, and both sides of the gripping sleeve are provided with a second rounded corner.

[0014] The present invention provides a maxillary sinus puncture needle, which has at least the following beneficial effects compared with the prior art:

[0015] When in use, the grip sleeve is placed on the surface of the puncture needle seat, the puncture needle seat is snapped into the placement groove, and the grip handle is snapped into the limit groove. The puncture needle seat is fixed by the mutual cooperation of the placement groove and the limit groove. The grip sleeve is provided to increase the gripping area, making it easier to take and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the grip assembly of the present invention;

[0018] Figure 3 This is a schematic structural diagram of the through hole of the utility model;

[0019] Figure 4 This is a schematic diagram of the installation structure of the utility model.

[0020] In the figure: 1. Puncture needle seat; 2. Handle; 3. Connecting rod; 4. Limiting plate; 6. Positioning groove; 7. Needle handle; 8. Limiting block; 9. Limiting column; 10. Pressing plate; 11. Outer sleeve; 12. Inner needle; 13. Holding assembly; 1301. Holding sleeve; 1302. Placement groove; 1303. Limiting groove; 1304. Through hole; 1305. First rounded corner; 1306. Second rounded corner. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1

[0022] See also Figure 1-4 The utility model provides a technical solution: a puncture needle seat 1, with handles 2 symmetrically arranged on both sides of the puncture needle seat 1, a connecting rod 3 is arranged on the top of the puncture needle seat 1, one end of the connecting rod 3 is slidably connected to the needle handle 7, one end of the needle handle 7 is fixedly connected to the inner needle 12, an outer sleeve 11 is arranged at the bottom of the puncture needle seat 1, the inner needle 12 passes through the outer sleeve 11, and a gripping component 13 is arranged on the puncture needle seat 1;

[0023] The gripping assembly 13 includes a gripping sleeve 1301 , and a placement groove 1302 is respectively opened on the top of the gripping sleeve 1301 , the puncture needle seat 1 is snapped into the placement groove 1302 , the handle 2 is snapped into the limiting groove 1303 , and a through hole 1304 is set at the bottom of the placement groove 1302 .

[0024] Analysis of the above content: During use, the gripping sleeve 1301 is placed on the surface of the puncture needle holder 1, so that the puncture needle holder 1 is snapped into the placement groove 1302, and the handle 2 is snapped into the limiting groove 1303. The puncture needle holder 1 is fixed by the mutual cooperation of the placement groove 1302 and the limiting groove 1303. The gripping sleeve 1301 increases the gripping area and facilitates use. Example 2

[0025] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: the through hole 1304 has the same outer diameter as the outer sleeve 11, and the gripping sleeve 1301 is configured as a silicone sleeve.

[0026] Analysis of the above content: The gripping sleeve 1301 is set as a silicone sleeve, which is relatively soft and convenient for wrapping the puncture needle seat 1. The through hole 1304 is provided to facilitate the inner needle 12 to pass through the gripping sleeve 1301, making it easy to use. Example 3

[0027] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: the surface of the handle 2 is provided with anti-slip grooves, and the surface of the grip sleeve 1301 is provided with anti-slip protrusions.

[0028] Analysis of the above content: By setting anti-slip grooves and anti-slip protrusions, friction is increased, making it easier to hold and use, and easier to puncture. Example 4

[0029] See also Figure 1-4 The utility model provides a technical solution based on embodiment 1: the top of the connecting rod 3 is fixedly connected to the limiting plate 4, the upper surface of the limiting plate 4 is provided with a positioning groove 6, the top of the needle handle 7 is fixedly connected to the limiting block 8, and the surface of the limiting block 8 is fixedly connected to the limiting column 9.

[0030] Analysis of the above content: The limit block 8 drives the inner needle 12 to move and puncture the patient. When the limit block 8 moves, it drives the limit column 9 to move toward the limit plate 4. After the limit column 9 is stuck in the positioning groove 6, the puncture depth of the inner needle 12 is adjusted. Example 5

[0031] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: the positioning groove 6 and the limiting column 9 have the same size, the top of the limiting block 8 is fixedly connected to a pressing plate 10, and a rubber pad is provided on the top of the pressing plate 10.

[0032] Analysis of the above content: Pressing the pressing plate 10 drives the inner needle 12 to move downward to puncture the patient, and the puncture depth of the inner needle 12 is limited by the mutual cooperation of the positioning groove 6 and the limiting column 9. Example 6

[0033] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: the limiting groove 1303 is the same length as the handle 2. The bottom of the grip sleeve 1301 is provided with a first rounded corner 1305, and the two sides of the grip sleeve 1301 are provided with a second rounded corner 1306.

[0034] Analyzing the above content: the handle 2 is wrapped by the limiting groove 1303, and the first rounded corner 1305 and the second rounded corner 1306 are provided to increase the grip feel and facilitate use.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A maxillary sinus puncture needle, characterized in that: include: A puncture needle seat (1), wherein grips (2) are symmetrically provided on both sides of the puncture needle seat (1), a connecting rod (3) is provided on the top of the puncture needle seat (1), one end of the connecting rod (3) is slidably connected to a needle handle (7), one end of the needle handle (7) is fixedly connected to an inner needle (12), an outer sleeve (11) is provided at the bottom of the puncture needle seat (1), the inner needle (12) passes through the outer sleeve (11), and a gripping assembly (13) is provided on the puncture needle seat (1); The gripping assembly (13) includes a gripping sleeve (1301), and a placement groove (1302) is respectively provided on the top of the gripping sleeve (1301). The puncture needle seat (1) is inserted into the placement groove (1302), and the gripping handle (2) is inserted into the limiting groove (1303). A through hole (1304) is provided at the bottom of the placement groove (1302).

2. The maxillary sinus puncture needle according to claim 1, characterized in that: The through hole (1304) has the same outer diameter as the outer sleeve (11), and the gripping sleeve (1301) is configured as a silicone sleeve.

3. The maxillary sinus puncture needle according to claim 2, characterized in that: The surface of the handle (2) is provided with anti-slip grooves, and the surface of the grip sleeve (1301) is provided with anti-slip protrusions.

4. The maxillary sinus puncture needle according to claim 1, characterized in that: The top of the connecting rod (3) is fixedly connected to a limit plate (4), the upper surface of the limit plate (4) is provided with a positioning groove (6), the top of the needle handle (7) is fixedly connected to a limit block (8), and the surface of the limit block (8) is fixedly connected to a limit column (9).

5. The maxillary sinus puncture needle according to claim 4, characterized in that: The positioning groove (6) and the limiting column (9) have the same size, and a pressing plate (10) is fixedly connected to the top of the limiting block (8), and a rubber pad is provided on the top of the pressing plate (10).

6. The maxillary sinus puncture needle according to claim 1, characterized in that: The limiting groove (1303) is the same length as the handle (2).

7. The maxillary sinus puncture needle according to claim 1, characterized in that: The bottom of the gripping sleeve (1301) is provided with a first rounded corner (1305), and both sides of the gripping sleeve (1301) are provided with a second rounded corner (1306).

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