CN222604650U - Nodule positioning puncture needle - Google Patents

Abstract

The utility model relates to the technical field of puncture needles, in particular to a nodule positioning puncture needle, which comprises a positioning needle, a connecting pipe arranged at the top of the positioning needle, a puncture needle arranged in the positioning needle, a connecting part arranged at one side of the puncture needle, a positioning wire arranged in the positioning needle, a spiral spring arranged at the bottom of the positioning wire, and a buckle buckled with the connecting pipe and the connecting part, wherein two supporting sheets close to an opening are reversely pulled open, the openings on a supporting disc and the supporting pipe are opened, the openings on the supporting disc and the supporting pipe pass through the positioning needle, and then three supporting sheets are rotated, so that the three supporting sheets stably support the positioning needle, and an extension sheet in one supporting sheet close to an operating table platform is lengthened and attached to the operating table platform, thereby realizing effective support of the positioning needle.

Description

Nodule positioning puncture needle

Technical Field

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

Background

At present, china patent publication No. CN204600615U discloses a lung nodule positioning puncture needle kit, which comprises a hollow outer tube needle, an inner tube needle and an inner tube push needle, wherein the tail part of the outer tube needle is matched with the base part of the outer tube needle, the tail part of the inner tube needle is matched with the base part of the inner tube needle, the tail part of the inner tube push needle is matched with the base part of the inner tube needle, the head part of the inner tube needle is provided with a blade head, the inner tube needle can be inserted into the outer tube needle, the outer tube needle is fixed through the base part of the outer tube needle and the base part of the inner tube needle, the blade head of the inner tube needle is exposed out of the outer tube needle after the inner tube needle is fixed, the inner tube push needle is of a hollow tube structure, the head part is provided with no blade head for pushing a positioning guide wire, the inner tube push needle can be inserted into the outer tube needle, a puncture needle of the conventional general structure is disclosed, a user needs to operate and remove a clamping groove after positioning the needle is matched with an operating tool, if the operation tool moves the puncture needle and a positioning wire, and the puncture needle can keep a certain balance right above the chest of a human body at this moment, but if the operation is inclined, the chest positioning needle has a certain weight, the blade is positioned, the blade of the positioning needle has a certain weight, and the positioning needle needs to be moved by the positioning needle and the positioning needle needs to be moved.

Disclosure of utility model

Therefore, the utility model provides a nodule positioning puncture needle aiming at the problems, which solves the technical problem that the positioning needle is shifted due to the fact that the top of the positioning needle has a certain weight when the existing puncture needle is obliquely placed on the chest and the positioning needle is loosened in the operation process.

The utility model adopts the following technical scheme that the nodule positioning puncture needle comprises a positioning needle, a connecting pipe arranged at the top of the positioning needle, a puncture needle arranged in the positioning needle, a connecting part arranged at one side of the puncture needle, a positioning wire arranged in the positioning needle, a spiral spring arranged at the bottom of the positioning wire, and a buckle used for being buckled with the connecting pipe and the connecting part, wherein a supporting pipe is arranged at the outer side of the positioning needle, a supporting disk is fixedly arranged at the bottom of the supporting pipe, openings used for the positioning needle to pass through are arranged on the supporting disk and the supporting pipe, three supporting sheets are hinged at the bottom of the supporting disk, and extension sheets are arranged in sliding connection with the supporting sheets.

Furthermore, the outer side of the positioning needle is provided with a scale ring.

Further, the support tube is a hose.

Further, the supporting plate bottom is equipped with the wearing mouth that is used for the extension piece to pass, the supporting plate surface is equipped with straight notch, the extension piece surface is equipped with and is used for pressing down the piece at straight notch sliding connection, be equipped with compression spring between pressing down piece and the extension piece.

Further, protruding portions are arranged on two lateral sides of the pressing piece, and a groove for clamping the protruding portions is formed in the supporting piece and close to one lateral side of the pressing piece.

By adopting the technical scheme, the utility model has the beneficial effects that:

This knot location pjncture needle, through the setting of supporting disk, after the positioning needle location is accomplished, hold the positioning needle with a hand and make the location keep fixed, will be close to two supporting plates of open-ended and pull open to the opposite direction, the opening on supporting disk and the stay tube will open, pass the positioning needle with the opening on supporting disk and the stay tube, loosen the supporting plate again, supporting disk and stay tube will overlap in the locating tube outside, the three supporting plates of rethread, make three supporting plates realize stable support to the positioning needle, be located human chest incline position, one of them supporting plate needs to lengthen the distance and just can support the operating table platform, will be close to the extension piece extension in the one supporting plate of operating table platform, and laminating on the operating table platform, can realize the effective support to the positioning needle, current pjncture needle is put to one side at the chest, the positioning needle top has certain weight this moment, the technical problem that the pine of operating process leads to the positioning needle to shifting.

Drawings

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

FIG. 2 is a schematic view of the explosion state of the local structure of the present utility model;

FIG. 3 is a schematic view of the support sheet and extender sheet of the present utility model from an exploded front view;

Fig. 4 is a schematic view of the support sheet and extender sheet of the present utility model in an exploded condition and from a rear view perspective.

Detailed Description

The utility model will now be further described with reference to the drawings and detailed description.

Referring to fig. 1 to 4, this embodiment provides a nodule positioning puncture needle, including positioning needle 1, locate connecting pipe 2 at positioning needle 1 top, locate the inside pjncture needle 3 of positioning needle 1, locate connecting portion 4 of pjncture needle 3 one side, locate the inside positioning wire 5 of positioning needle 1, locate coil spring 6 of positioning wire 5 bottom and be used for with connecting pipe 2 and connecting portion 4 lock buckle 7, the positioning needle 1 outside is equipped with stay tube 8, the stay tube 8 bottom has set firmly supporting disk 8a, be equipped with the opening 9 that is used for positioning needle 1 to pass on stay tube 8a and the stay tube 8, the articulated three supporting plate 10 that is equipped with in supporting disk 8a bottom, sliding connection is equipped with extension piece 11 in supporting plate 10, the positioning needle 1 outside is equipped with scale circle 12, and the scale circle makes things convenient for operating personnel to control the positioning needle distance of moving, stay tube 8 is the hose, avoid the cover to locate behind the positioning needle outside, the positioning needle can't move about.

Through the setting of pjncture needle, pass the organism earlier when using and reachs the position that needs the puncture with the positioning needle after, tear down the buckle, push out the positioning needle with pjncture needle and setting wire, then coil spring and pjncture needle are in deep into the pulmonary nodule, then pull out the organism with positioning needle and pjncture needle again to realize effective location, when not needing the setting wire, outwards pulling the setting wire, coil spring will straighten, can withdraw from in the organism, the convenience is punctured.

The bottom of the supporting sheet 10 is provided with a through hole 14 for the extending sheet 11 to pass through, the surface of the supporting sheet 10 is provided with a straight notch 15, the surface of the extending sheet 11 is provided with a pressing sheet 16 which is used for sliding connection with the straight notch 15, and a compression spring 17 is arranged between the pressing sheet 16 and the extending sheet 11.

When the distance between the extending pieces needs to be adjusted, the pressing pieces are pressed down, after the pressing pieces are not contacted with the inner sides of the supporting pieces, the pressing pieces are pressed down again to move to the designated positions, then the pressing pieces are loosened, and under the acting force of the compression springs, the pressing pieces are attached to the inner side faces of the supporting pieces, so that the positions of the extending pieces are fixed, and the extending pieces after the positions are adjusted can be stably fixed.

The lateral two sides of the pressing piece 16 are provided with convex parts 18, and a groove 13 for clamping the convex parts 18 is formed in one side of the supporting piece 10 close to the pressing piece 16.

The setting of recess, wherein press the tablet back, press the convex part of tablet both sides and leave the recess in the backing sheet, press the tablet and can freely remove, remove to the appointed position back, compression spring upwards pushes up the tablet of pressing, presses the convex part card of tablet both sides to go into the recess in the backing sheet, fixes the extension piece position, and is fixed more firm, avoids the extension piece to pull out the back, under the influence of external force, shrink to the backing sheet in.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, directly connected, indirectly connected via an intermediate medium, or in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (5)

1. The utility model provides a knot location pjncture needle, its characterized in that, including positioning needle (1), locate connecting pipe (2) at positioning needle (1) top, locate pjncture needle (3) inside positioning needle (1), locate connecting portion (4) of pjncture needle (3) one side, locate inside positioning wire (5) of positioning needle (1), locate coil spring (6) of positioning wire (5) bottom to and be used for buckle (7) with connecting pipe (2) and connecting portion (4) lock, the positioning needle (1) outside is equipped with stay tube (8), stay tube (8) bottom has set firmly supporting disk (8 a), be equipped with opening (9) that are used for positioning needle (1) to pass on supporting disk (8 a) and the stay tube (8), the articulated three supporting plate (10) that are equipped with in supporting plate (8 a) bottom, sliding connection is equipped with extension piece (11).

2. A nodule positioning puncture needle according to claim 1, wherein the outer side of the positioning needle (1) is provided with a scale ring (12).

3. A nodule positioning puncture needle according to claim 1, characterized in that the support tube (8) is a hose.

4. The nodule positioning puncture needle of claim 1, wherein a penetrating opening (14) for the extension piece (11) to penetrate is formed in the bottom of the supporting piece (10), a straight notch (15) is formed in the surface of the supporting piece (10), a pressing piece (16) for sliding connection with the straight notch (15) is arranged on the surface of the extension piece (11), and a compression spring (17) is arranged between the pressing piece (16) and the extension piece (11).

5. A nodule positioning puncture needle according to claim 4, wherein the lateral sides of the pressing piece (16) are provided with protrusions (18), and the side of the supporting piece (10) close to the pressing piece (16) is provided with a groove (13) for the protrusions (18) to be clamped in.