CN223248291U - Maxillary sinus puncture needle - Google Patents

Abstract

The utility model relates to a maxillary sinus puncture needle, which includes a puncture needle seat, wherein grips are symmetrically provided on both sides of the puncture needle seat, a connecting rod is provided on the top of the puncture needle seat, one end of the connecting rod is slidably connected to the needle handle, one end of the needle handle is fixedly connected to the inner needle, an outer sleeve is provided at the bottom of the puncture needle seat, and the inner needle passes through the outer sleeve, and a grip assembly is provided on the puncture needle seat; the grip assembly includes a grip sleeve, the top of the grip sleeve is respectively provided with a placement groove, the puncture needle seat is snapped into the placement groove, the grip handle is snapped into the limiting groove, and the bottom of the placement groove is provided with a through hole. When in use, the grip sleeve is put on the surface of the puncture needle seat, so that the puncture needle seat is snapped into the placement groove, and the grip handle is snapped into the limiting groove. The puncture needle seat is fixed by the mutual cooperation of the placement groove and the limiting groove. The gripping area is increased by providing the grip sleeve, which is convenient for picking up and using.

Description

Maxillary sinus puncture needle

Technical Field

The utility model relates to the technical field of puncture needles, in particular to a maxillary sinus puncture needle.

Background

Sinusitis is a non-specific inflammation of the nasal mucosa, a common frequently occurring occurrence in rhinology. The nasal sinuses are the air-bearing cavities of the skull surrounding the nasal cavity, and the left and right nasal sinuses are 4 pairs, namely, frontal sinuses, maxillary sinuses, ethmoid sinuses and sphenoid sinuses. When maxillary sinusitis occurs, a puncture flushing method is generally adopted, and the method comprises the steps of drawing out a needle core after a puncture needle enters a sinus cavity, sucking sterile normal saline into a syringe connected with a rubber tube, and connecting the syringe with the puncture needle. The trocar is used to pierce the bone wall of the paranasal sinus, to perform sinus cavity irrigation and examination, called paranasal sinus puncture irrigation, and is mostly applied to maxillary sinuses. The purpose of maxillary sinus puncture is to diagnose and treat maxillary sinus diseases.

According to the technical scheme, the patent application number of the traditional published patent application number is CN201520182994.3, the published patent application name is that the maxillary sinus puncture needle comprises 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, a through hole is formed in the needle sleeve in a penetrating mode, a limit groove is formed in one side of an inlet end of the needle sleeve, the inner needle penetrates through the inner portion of the outer needle in a matched mode and comprises a needle handle and a needle body, a limit post matched with the limit groove is arranged on the outer side of one end of the needle handle in a protruding mode, the needle handle penetrates into the through hole of the needle sleeve and is limited through the limit post and the limit groove, the needle body is of a solid needle body structure, the needle tip of the needle tube is matched with the needle tube hole of the needle tube in a penetrating mode, the needle tip of the needle tube is kept level, a micro position sensor is arranged in the tip of the needle body, and the micro position sensor is connected with an external computer through an electric signal. The puncture needle walking track monitoring device is simple and reasonable in structural design, simple, convenient and safe to use, can monitor the puncture needle walking track in real time, is convenient for medical staff to know puncture, and improves puncture efficiency.

However, when the existing puncture needle is used, the diameters of the needle sleeve and the push rod are smaller, so that the puncture needle is inconvenient to hold, force is not good, the puncture needle is inconvenient to puncture, and there is room for improvement.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the maxillary sinus puncture needle, which solves the problems that the maxillary sinus puncture needle is small in diameter, inconvenient to hold, difficult to force and inconvenient to puncture and use.

The maxillary sinus puncture needle comprises a puncture needle seat, handles are symmetrically arranged on two sides of the puncture needle seat, a connecting rod is arranged at the top of the puncture needle seat, one end of the connecting rod is connected with a needle handle in a sliding manner, one end of the needle handle is fixedly connected with an inner needle, an outer sleeve is arranged at the bottom of the puncture needle seat, the inner needle penetrates through the outer sleeve, and a holding assembly is arranged on the puncture needle seat;

The holding assembly comprises a holding sleeve, the top of the holding sleeve is provided with a placing groove respectively, the puncture needle seat is clamped into the placing groove, the grab handle is clamped into the limiting groove, and the bottom of the placing groove is provided with a through hole.

Preferably, the through hole is the same as the outer diameter of the outer sleeve, and the holding sleeve is a silica gel sleeve.

Preferably, the surface of the grab handle is provided with anti-skid patterns, and the surface of the grab sleeve is provided with anti-skid bulges.

Preferably, the connecting rod top fixedly connected with limiting plate, the constant head tank has been seted up to limiting plate upper surface, needle handle top fixedly connected with stopper, stopper surface fixedly connected with spacing post.

Preferably, the positioning groove is the same as the limit post in size, the top of the limit block is fixedly connected with a pressing disc, and a rubber pad is arranged at the top of the pressing disc.

Preferably, the length of the limit groove is the same as that of the grab handle.

Preferably, the bottom of the holding sleeve is provided with a first round corner, and two sides of the holding sleeve are provided with second round corners.

Compared with the prior art, the maxillary sinus puncture needle provided by the utility model has at least the following beneficial effects:

when in use, the holding sleeve is sleeved on the surface of the puncture needle seat, so that the puncture needle seat is clamped into the placing groove, the grab handle is clamped into the limiting groove, and the puncture needle seat is fixed through the mutual matching of the placing groove and the limiting groove. The holding area is increased by arranging the holding sleeve, so that the holding sleeve is convenient to take and use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a grip assembly according to the present utility model;

FIG. 3 is a schematic view of a through hole structure according to the present utility model;

fig. 4 is a schematic view of the mounting structure of the present utility model.

1, A puncture needle seat, 2, a grab handle, 3, a connecting rod, 4, a limiting plate, 6, a locating groove, 7, a needle handle, 8, a limiting block, 9, a limiting column, 10, a pressing disc, 11, an outer sleeve, 12, an inner needle, 13, a holding assembly, 1301, a holding sleeve, 1302, a placing groove, 1303, a limiting groove, 1304, a through hole, 1305, a first round corner, 1306 and a second round corner.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, the utility model provides a technical scheme that a puncture needle stand 1, handles 2 are symmetrically arranged on two sides of the puncture needle stand 1, a connecting rod 3 is arranged at the top of the puncture needle stand 1, one end of the connecting rod 3 is connected with a needle handle 7 in a sliding manner, one end of the needle handle 7 is fixedly connected with an inner needle 12, an outer sleeve 11 is arranged at the bottom of the puncture needle stand 1, the inner needle 12 penetrates through the outer sleeve 11, and a holding assembly 13 is arranged on the puncture needle stand 1;

The holding assembly 13 comprises a holding sleeve 1301, a holding groove 1302 is respectively formed in the top of the holding sleeve 1301, the puncture needle seat 1 is clamped into the holding groove 1302, the grab handle 2 is clamped into the limiting groove 1303, and a through hole 1304 is formed in the bottom of the holding groove 1302.

In the analysis, when in use, the holding sleeve 1301 is sleeved on the surface of the puncture needle seat 1, so that the puncture needle seat 1 is clamped into the placing groove 1302, the grab handle 2 is clamped into the limiting groove 1303, and the puncture needle seat 1 is fixed through the mutual matching of the placing groove 1302 and the limiting groove 1303. The holding area is increased by the holding sleeve 1301, so that the use is convenient.

Example two

Referring to fig. 1-4, according to an embodiment of the present utility model, a through hole 1304 is formed in the same outer diameter as the outer sleeve 11, and a holding sleeve 1301 is formed as a silica gel sleeve.

For the analysis, the holding sleeve 1301 is set to be a silica gel sleeve, and the silica gel sleeve is soft in texture, so that the puncture needle seat 1 can be conveniently wrapped. The provision of the through hole 1304 facilitates the passage of the inner needle 12 from within the grip cover 1301 for ease of use.

Example III

Referring to fig. 1-4, according to an embodiment of the present utility model, a grip 2 is provided with anti-skidding patterns on a surface, and a grip cover 1301 is provided with anti-skidding protrusions.

According to the analysis of the content, friction force is increased by arranging the anti-skid lines and the anti-skid protrusions, so that the anti-skid puncture needle is convenient to hold and use and puncture.

Example IV

Referring to fig. 1-4, the first embodiment of the present utility model provides a technical solution, wherein a limiting plate 4 is fixedly connected to the top of a connecting rod 3, a positioning groove 6 is formed on the upper surface of the limiting plate 4, a limiting block 8 is fixedly connected to the top of a needle handle 7, and a limiting post 9 is fixedly connected to the surface of the limiting block 8.

The analysis of the content is that the limiting block 8 drives the inner needle 12 to move to puncture a patient, the limiting column 9 is driven to move towards the limiting plate 4 when the limiting block 8 moves, and the puncture depth of the inner needle 12 is adjusted after the limiting column 9 is clamped into the positioning groove 6.

Example five

Referring to fig. 1-4, the present utility model provides a technical solution based on an embodiment 1, in which a positioning groove 6 and a limiting post 9 have the same size, a pressing disc 10 is fixedly connected to the top of the limiting post 8, and a rubber pad is disposed on the top of the pressing disc 10.

In the analysis, the pressing plate 10 is pressed to drive the inner needle 12 to move downwards to puncture a patient, and the puncture depth of the inner needle 12 is limited by the mutual matching of the positioning groove 6 and the limiting column 9.

Example six

Referring to fig. 1-4, the present utility model provides a technical solution according to the first embodiment, in which the length of the limiting groove 1303 is the same as that of the grab handle 2. The bottom of the holding sleeve 1301 is provided with a first round angle 1305, and two sides of the holding sleeve 1301 are provided with a second round angle 1306.

In the analysis, the handle 2 is wrapped by the limiting groove 1303, and the holding hand feeling is improved by the arrangement of the first round corner 1305 and the second round corner 1306, so that the handle is convenient to use.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A maxillary sinus puncture needle, comprising:

The novel needle holder comprises a needle holder (1), wherein handles (2) are symmetrically arranged on two sides of the needle holder (1), a connecting rod (3) is arranged at the top of the needle holder (1), one end of the connecting rod (3) is slidably connected with a needle handle (7), one end of the needle handle (7) is fixedly connected with an inner needle (12), an outer sleeve (11) is arranged at the bottom of the needle holder (1), the inner needle (12) penetrates through the outer sleeve (11), and a holding assembly (13) is arranged on the needle holder (1);

The holding assembly (13) comprises a holding sleeve (1301), standing grooves (1302) are respectively formed in the top of the holding sleeve (1301), the puncture needle seat (1) is clamped into the standing grooves (1302), the grab handle (2) is clamped into the limiting grooves (1303), and through holes (1304) are formed in the bottoms of the standing grooves (1302).

2. The maxillary sinus puncture needle according to claim 1, wherein the through hole (1304) has the same outer diameter as the outer cannula (11), and the grip (1301) is provided as a silicone sheath.

3. The maxillary sinus puncture needle according to claim 2, wherein the grip (2) is provided with anti-slip patterns on the surface and the grip cover (1301) is provided with anti-slip protrusions on the surface.

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

5. The maxillary sinus puncture needle according to claim 4, wherein the positioning groove (6) and the limiting post (9) are the same in size, a pressing disc (10) is fixedly connected to the top of the limiting block (8), and a rubber pad is arranged on the top of the pressing disc (10).

6. The maxillary sinus puncture needle according to claim 1, wherein the limit groove (1303) has the same length as the grip (2).

7. The maxillary sinus puncture needle according to claim 1, wherein a first round corner (1305) is arranged at the bottom of the holding sleeve (1301), and second round corners (1306) are arranged at two sides of the holding sleeve (1301).