CN214512088U

CN214512088U - Aspirator poker with helical structure

Info

Publication number: CN214512088U
Application number: CN202023154548.1U
Authority: CN
Inventors: 王紫艳; 董飞鹂; 汪智慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-29
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a suction apparatus poker with helical structure for dredge suction head of jam, including poker body and the fixed helical structure who sets up on poker body upper portion. The utility model discloses a at the fixed helical structure in poker body upper portion, the solid of revolution structure can take out garrulous bone piece or tissue in the aspirator head, and the aspirator head of being convenient for is dredged and is used. When the axial helix angle of the helical structure changes along the direction from the upper end to the lower end of the poker body, when the helix angle is increased, the volume of the helical groove is increased, the tissue blocked in the aspirator head presents a stretching effect, and when the helix angle is decreased, the volume of the helical groove is reduced, and a compression effect is presented; the tissues are continuously and alternately changed in tension/compression between the cavity of the aspirator head and the spiral structure, so that the tissues are better broken under the condition of tension rheology and are easier to dredge; a certain distance is reserved at the head of the poker body (between the top end of the spiral structure and the upper end of the poker body), so that the broken bone pieces can be conveniently dredged.

Description

Aspirator poker with helical structure

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a suction apparatus poker with a spiral structure.

Background

The suction apparatus is mainly used as a terminal device connected to a suction tube in an operation to contact an object to be sucked, and a suction head is easily blocked by bone fragments or blood clots in clinical orthopedics (such as half hip surgery) or gynecological operations, wherein the suction head 200 commonly used in the operation is shown in fig. 1; when the connecting pipe is checked to be not blocked and the pipe cavity of the suction head is washed to be communicated, the blockage situation of the suction head is still serious after the straight-line suction head poker 100 (poker for the small suction head, shown in figure 2, the poker is not specially configured for the large suction head) is repeatedly dredged, the suction head does not suck any suction after one time, the reason is that the suction head is blocked by broken bone pieces and tissues (musculature tissues and blood clots after injury), when the poker is dredged, bone fragments or tissues directly pass through the bone fragments or tissues but are not taken out, and the bone fragments or tissues are still left in the pipe cavity of the suction head to cause blockage.

The utility model provides a suction apparatus poker with helical structure, when using it with the supporting use of suction apparatus head, enable its ability to take out garrulous bone piece or tissue in the suction apparatus head, the suction apparatus head of being convenient for mediation is used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a suction apparatus poker with a spiral structure to solve the problems in the prior art.

In order to achieve the above object, the present invention provides a method for manufacturing a semiconductor device, comprising:

the utility model provides a suction apparatus poker with helical structure for dredge's aspirator head for the mediation blocks up, includes poker body and the fixed helical structure who sets up in poker body upper portion.

In the above technical scheme, the outer diameter of the spiral structure is equal along the axial direction, or the outer diameter of the spiral structure gradually increases from the upper end and the lower end of the spiral structure to the middle part of the spiral structure.

In the above technical scheme, in the direction from the upper end to the lower end of the poker body, the axial helix angle of the helical structure is kept unchanged, gradually increased, gradually decreased or periodically and alternately changed.

In the above technical solution, the cross-sectional shape of the spiral structure at any position in the axial direction is elliptical, square or circular.

In the technical scheme, the distance D between the top end of the spiral structure and the upper end of the poker body is 3-6 cm.

In the technical scheme, the outer diameter of the middle part of the spiral structure is smaller than the inner diameter of the tube cavity of the suction head matched with the spiral structure.

In the above technical scheme, the central point of the cross section at any axial position of the rotating structure coincides with or deviates from the rotation axis of the poker body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a at the fixed helical structure in poker body upper portion, the solid of revolution structure can take out garrulous bone piece or tissue in the aspirator head, and the aspirator head of being convenient for is dredged and is used.

2. When the axial helix angle of the helical structure changes along the direction from the upper end to the lower end of the poker body, when the helix angle is increased, the volume of the helical groove is increased, the tissue blocked in the aspirator head presents a stretching effect, and when the helix angle is decreased, the volume of the helical groove is reduced, and a compression effect is presented; the tissues are continuously and alternately changed in tension/compression between the cavity of the aspirator head and the spiral structure, so that the tissues are better broken under the condition of tension rheology and are easier to dredge;

a certain distance is reserved at the head of the poker body (between the top end of the spiral structure and the upper end of the poker body), so that the broken bone pieces can be conveniently dredged.

Drawings

FIG. 1 is a split structure of a common suction head;

FIG. 2 is a schematic diagram of a conventional linear sucker rod;

FIG. 3 is a schematic structural view of embodiment 1;

FIG. 4 is a schematic view of a spiral structure (decreasing helix angle) in example 1;

FIG. 5a is a cross-sectional view taken along the line A-A of the screw of FIG. 4, the cross-sectional shape of which is elliptical;

FIG. 5b is a cross-sectional view taken along the line A-A when the screw of FIG. 4 has a polygonal cross-sectional shape;

FIG. 5c is a cross-sectional view taken along the line A-A of the screw of FIG. 4, the cross-sectional shape of which is circular;

FIG. 6 is a schematic view of a spiral structure (periodic variation of lead angle) in example 1

FIG. 7 is a schematic structural view of embodiment 2;

FIG. 8 is a schematic view of a spiral structure in example 2 (the lead angle is constant);

in the figure, 100, a straight sucker rod; 200. an aspirator head; 1. a poker body; 2. a helical structure;

d represents the distance between the top end of the spiral structure and the upper end of the poker body.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.

Example 1

Referring to fig. 1, an aspirator poker with a spiral structure, an aspirator head for dredging blockage, comprises a poker body 1 and a spiral structure 2 fixedly arranged on the upper part of the poker body 1. The main body 1 is made of high-temperature-resistant materials, the materials are flexible, the main body can easily pass through the corner of the suction head, and the main body can be restored after being used without deformation or slight bending, such as PVC and TPE; the spiral structure 2 is made of high-temperature resistant materials such as metal, PVC, silica gel and the like;

the utility model discloses in, helical structure 2 wears to establish on poker body 1 to with 1 fixed connection of poker body, when poker body 1 and helical structure 2 adopted the same kind of material, but poker body 1 and revolution solid structure 2 assembly forming or integrated into one piece. Further, the central point of the cross section of the rotating structure 2 at any axial position coincides with or is offset from the rotation axis of the poker body 1.

In this embodiment, the outer diameter of the helical structure 2 is uniform along the axial direction

In the prior art, the "helix angle" of a helical structure is generally defined as: on the intermediate diameter cylindrical surface, the tangent line of the spiral line forms an included angle with the plane vertical to the axis of the spiral line.

As one embodiment of the change of the helix angle of the helical structure 2, the helix angle of the helical structure 2 in the axial direction is kept constant from the upper end to the lower end of the poker body 1;

as one embodiment of the change of the helix angle of the helical structure 2, the helix angle of the helical structure 2 in the axial direction gradually increases from the upper end to the lower end of the poker body 1; in the direction from the upper end to the lower end of the poker body 1, the spiral angle of the spiral structure 2 in the axial direction gradually increases from 0 degree to 90 degrees; wherein the helix angle excludes 90 degrees and 0 degrees.

As one embodiment of the change of the helix angle of the helical structure 2, the helix angle of the helical structure 2 in the axial direction gradually decreases from the upper end to the lower end of the poker body 1; further, referring to fig. 4, in the direction from the upper end to the lower end of the poker body 1, the spiral angle of the spiral structure 2 in the axial direction gradually decreases from 90 degrees to 0 degrees; wherein the helix angle excludes 90 degrees and 0 degrees.

As one of the embodiments of the change of the lead angle of the spiral structure 2, the lead angle of the spiral structure 2 in the axial direction changes periodically and alternately from the upper end to the lower end of the poker body 1. Further, the axial helix angle of the helical structure is periodically and alternately changed from 0 degree to 90 degrees and then from 0 degree to 0 degree in the direction from the upper end to the lower end of the poker body 1; wherein the helix angle excludes 90 degrees and 0 degrees.

In this embodiment, when the lead angle of the spiral structure 2 in the axial direction changes along the direction from the upper end to the lower end of the poker body 1, the volume of the spiral groove increases as the lead angle increases, the tissue blocked in the aspirator head exhibits a stretching effect, and the volume of the spiral groove decreases as the lead angle decreases, and a compressing effect is exhibited. The tissues are continuously and alternately changed in tension/compression between the cavity of the aspirator head and the spiral structure 2, so that the tissues are better broken under the condition of tension rheology and are easier to dredge.

Referring to fig. 5a to 5c, the cross-sectional shape of the spiral structure 2 at any position in the axial direction is an ellipse, a square, or a circle.

In this embodiment, the distance D between the top of the helical structure 2 and the upper end of the poker body 1 (at the head of the poker body 1) is 3-6 cm, preferably, the distance D is 5 cm. In specific application, the structure of the existing suction head 200 is shown in fig. 1, the vertical length of the existing suction head 200 is generally about 25cm, and the length of the poker main body 1 provided by the utility model is 30-35 cm; a certain distance is reserved at the head of the poker body 1 in order to avoid the difficulty of dredging the broken bone pieces.

In the utility model, the outer diameter of the middle part of the spiral structure 2 is smaller than the inner diameter of the pipe cavity of the aspirator head matched with the spiral structure; furthermore, the maximum outer diameter of the spiral structure 2 is 1/2-4/5 of the inner diameter of the tube cavity of the suction head matched with the spiral structure; the spiral structure 2 can not only pass through the corner of the cavity of the aspirator head, but also dredge the bone fragments or tissues blocked in the aspirator head.

Example 2

Referring to fig. 7, this embodiment is similar to embodiment 1 except that: the outer diameter of the spiral structure 2 gradually increases from the upper end and the lower end of the spiral structure 2 to the middle part of the spiral structure 2. Further, the axial helix angle of the helical structure 2 is kept constant (see fig. 8), gradually increased, gradually decreased or periodically and alternately changed along the direction from the upper end to the lower end of the poker body 1.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a suction apparatus poker with helicitic texture for dredge suction ware head of jam, characterized by, including poker body (1) and fixed helical structure (2) that set up in poker body (1) upper portion.

2. The suction apparatus poker of claim 1, wherein the outer diameter of the spiral structure (2) is uniform along the axial direction, or the outer diameter of the spiral structure (2) gradually increases from the upper and lower ends of the spiral structure (2) to the middle part of the spiral structure (2).

3. The suction poker bar with the spiral structure according to claim 2, wherein the spiral angle of the spiral structure (2) in the axial direction is constant, gradually increased, gradually decreased or periodically and alternately changed from the upper end to the lower end of the poker body (1).

4. An aspirator poker with a spiral structure according to claim 1, characterized in that the cross-sectional shape of the spiral structure (2) at any position in the axial direction is oval, square or circular.

5. The suction apparatus poker with the spiral structure according to claim 1, wherein the distance D between the top end of the spiral structure (2) and the upper end of the poker body (1) is 3-6 cm.

6. The suction apparatus poker of claim 1, wherein the spiral structure (2) has a middle portion with an outer diameter smaller than the inner diameter of the lumen of the suction apparatus head used therewith.

7. An aspirator poker with spiral structure, according to claim 1, characterized in that the central point of the cross section of the spiral structure (2) at any axial position coincides with or is offset from the rotation axis of the poker body (1) itself.