CN216777268U

CN216777268U - Oral aspirator

Info

Publication number: CN216777268U
Application number: CN202220400897.7U
Authority: CN
Inventors: 钟昌萍; 任倩; 彭燕华; 刘莉; 张琳; 易明伶; 李灵
Original assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Current assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-21
Anticipated expiration: 2032-02-25

Abstract

The utility model provides an oral aspirator, which comprises an installing head, wherein the front end of the installing head is connected with a suction tube, and the rear end of the installing head is externally connected with the suction tube on an aspirator; the front end of the suction tube is connected with a connecting tube, and the front end of the connecting tube is detachably connected with a needle head. According to the utility model, the needle head is detachably connected to the front end of the suction tube, and the needle head is of a hollow structure and has a small caliber, so that the needle head can extend into a tooth tube cavity to absorb secretion, and the oral cavity cleaning efficiency is improved.

Description

Oral aspirator

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an oral aspirator.

Background

In the oral clinic, some narrow and fine parts are treated, such as root canal therapy (including conventional and microscopic, ultrasonic root canal therapy and the like), tooth defect treatment and various intraoral fine part surgical treatments. In each of the above treatments, the operative area has a large amount of fluid present (including cooling water, blood, purulent exudates, root canal irrigant, etc.) almost throughout the treatment.

At present, use the oral cavity aspirator to realize absorbing liquid, piece, the tissue in the oral cavity in clinical often, however, the bore of the suction tube of current oral cavity aspirator generally configures into 2 ~ 5mm, when the secretion in the tooth lumen needs to be cleared up, current suction tube can't stretch into the lumen, and cleaning efficiency is poor, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an oral aspirator which comprises an installing head, wherein the front end of the installing head is connected with an aspirating tube, and the rear end of the installing head is externally connected with the aspirating tube on an aspirator; the front end of the suction tube is connected with a connecting tube, and the front end of the connecting tube is detachably connected with a needle head.

Like this, through can dismantling the connection syringe needle at the suction tube front end, because syringe needle itself is hollow structure promptly, and the bore of syringe needle is less, can stretch into the tooth intracavity, absorbs the secretion, promotes oral cavity cleaning efficiency.

As optimization, the front end of the connecting pipe is provided with a reducing structure, and the reducing structure comprises a first fixing ring, a second fixing ring and a rotating ring; the front end of the first fixing ring is detachably connected with a needle sleeve for mounting a needle head, and the first fixing ring is matched with the second fixing ring in shape and size and is coaxially arranged at intervals; the rotating ring is arranged in the second fixing ring, the surface of the rotating ring is overlapped with the top of the second fixing ring, and the bottom of the second fixing ring is arranged at the front end of the connecting pipe; the rotating ring can rotate relative to the second fixed ring along the circumferential direction of the second fixed ring;

the rotating ring is provided with a regular hexagonal groove, each edge of the regular hexagonal groove is provided with a clamping plate in a sliding manner, one edge of each clamping plate is encircled to form a ring for clamping a needle sleeve, and the clamping plates are fixedly provided with fixing pins; the first fixing ring is uniformly provided with limiting sliding grooves corresponding to the fixing pins along the circumferential direction of the first fixing ring, and the fixing pins are respectively arranged in the limiting sliding grooves in a sliding mode.

In the application, the rotating ring is rotated, the clamping plates are driven to slide in the regular polygonal groove and the fixed pin slides in the limiting sliding groove by the rotation of the rotating ring, and meanwhile, the rings of the clamping needle sleeves formed between the clamping plates are gradually reduced until the clamping needle sleeves are clamped; therefore, the caliber of the ring for clamping the needle sleeve formed between the clamping plates can be adjusted according to actual requirements so as to adapt to needles and needle sleeves with different sizes.

As optimization, the outer side of the rotating ring is connected with a rotating handle; the outer end of the rotating handle penetrates out of a gap between the first fixing ring and the second fixing ring.

Thus, the rotating ring can be more conveniently rotated by pulling the rotating handle.

Preferably, the clamping plate comprises an L-shaped fixing part and a triangular part which are integrally connected; the vertical section of the L-shaped fixing part is L-shaped, and the end part of the L-shaped fixing part is inserted into the side groove of the regular hexagonal groove and can slide along the length direction of the side groove of the regular hexagonal groove; the bevel edges of the triangular parts of the adjacent clamping plates are abutted.

Therefore, the bevel edges of the triangular parts of the adjacent clamping plates can be always in an abutting state, and the needle sleeve can be better clamped among the plurality of clamping plates; the L-shaped fixing part can not only have the effect of tightly adhering to the rotating ring, but also can well slide in the side groove of the regular hexagonal groove.

Preferably, the edge of the clamping plate used for clamping the needle sleeve is made of soft wear-resistant materials.

Therefore, the damage caused by the friction between the needle sleeve and the clamping plate when the needle sleeve is clamped is prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the reducing structure of the present invention;

FIG. 3 is a schematic view of the structure of the rotating ring of the present invention;

fig. 4 is a schematic view of the rotary ring of the present invention without a clamping plate.

Reference numerals:

1-a mounting head; 2-a suction tube; 3-connecting pipe; 4-needle, 41-needle sheath;

5-variable diameter structure, 51-first fixed ring, 52-second fixed ring, 53-rotating ring, 54-regular hexagonal groove, 55-clamping plate, 551-L type fixed part, 552-triangular part, 56-fixed pin, 57-limiting sliding groove and 58-rotating handle.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Example (b): as shown in fig. 1 to 4, an oral cavity suction apparatus includes a mounting head 1, a suction tube 2 is connected to a front end of the mounting head 1, and a rear end of the mounting head 1 is externally connected to a suction tube (not shown) of a suction machine (not shown). The front end of the suction tube 2 is connected with a connecting tube 3, and the front end of the connecting tube 3 is detachably connected with a needle head 4.

Specifically, the front end of the connecting pipe 3 is provided with a reducing structure 5, and the reducing structure 5 comprises a first fixing ring 51, a second fixing ring 52 and a rotating ring 53. The front end of the first fixing ring 51 is detachably connected with a needle sleeve 41 for mounting the needle 4, and the shape and the size of the first fixing ring 51 are matched with those of the second fixing ring 52 and are coaxially arranged at intervals. The rotating ring 53 is arranged in the second fixing ring 52, the surface of the rotating ring is overlapped with the top of the second fixing ring 52, and the bottom of the second fixing ring 52 is arranged at the front end of the connecting pipe 3; wherein, the rotating ring 53 can rotate relative to the second fixed ring 52 along the circumferential direction of the second fixed ring 52.

In practice, the bottom of the rotating ring 53 may be rotatably coupled to the second stationary ring 52 by a damping shaft.

The rotating ring 53 is provided with a regular hexagonal groove 54, each edge of the regular hexagonal groove 54 is provided with a clamping plate 55 in a sliding manner, one edge of each clamping plate 55 is encircled to form a ring for clamping the needle sleeve 41, and the clamping plates 55 are all fixedly provided with fixing pins 56. The first fixing ring 51 is uniformly provided with limiting sliding grooves 57 corresponding to the fixing pins 56 along the circumferential direction, and each fixing pin 56 is slidably arranged in the limiting sliding groove 57.

Specifically, a rotating handle 58 is connected to the outside of the rotating ring 53. The outer end of the rotating handle 58 protrudes through the gap between the first and

second retainer rings

51, 52. In practice, the longitudinal section of the first fixing ring 51 is L-shaped, and the peripheral side surface of the first fixing ring 51 is provided with a sliding guide slot for the rotating handle 58 to pass through, and the sliding guide slot extends along the peripheral direction of the first fixing ring 51.

Specifically, the clamping plate 55 includes an L-shaped fixing portion 551 and a triangular portion 552 which are integrally connected. The vertical section of the L-shaped fixing part 551 is L-shaped, and the end of the L-shaped fixing part 551 is inserted into the side groove of the regular hexagonal groove 54 and can slide along the length direction of the side groove of the regular hexagonal groove 54; the oblique sides of the triangular portions 552 of the adjacent holding plates 55 abut against each other.

Specifically, the edge of the holding plate 55 for holding the needle sheath 41 is made of soft wear-resistant material.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention is described in detail with reference to the following embodiments, it should be understood by those skilled in the art that: the technical solutions described in the following embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The oral cavity aspirator is characterized by comprising an installation head, wherein the front end of the installation head is connected with an aspiration tube, and the rear end of the installation head is externally connected with an aspiration tube on an aspirator; the front end of the suction tube is connected with a connecting tube, and the front end of the connecting tube is detachably connected with a needle head.

2. The oral aspirator according to claim 1, wherein the front end of the connecting pipe is provided with a reducing structure, and the reducing structure comprises a first fixing ring, a second fixing ring and a rotating ring; the front end of the first fixing ring is detachably connected with a needle sleeve for mounting a needle head, and the first fixing ring is matched with the second fixing ring in shape and size and is coaxially arranged at intervals; the rotating ring is arranged in the second fixing ring, the surface of the rotating ring is overlapped with the top of the second fixing ring, and the bottom of the second fixing ring is arranged at the front end of the connecting pipe; the rotating ring can rotate relative to the second fixed ring along the circumferential direction of the second fixed ring;

3. The oral aspirator according to claim 2, wherein a rotary handle is connected to the outside of the rotary ring; the outer end of the rotating handle penetrates out of a gap between the first fixing ring and the second fixing ring.

4. The oral aspirator of claim 2, wherein the clamping plate comprises an integrally connected L-shaped fixing portion and a triangular portion; the vertical section of the L-shaped fixing part is L-shaped, and the end part of the L-shaped fixing part is inserted into the side groove of the regular hexagonal groove and can slide along the length direction of the side groove of the regular hexagonal groove; the bevel edges of the triangular parts of the adjacent clamping plates are abutted.

5. The oral aspirator of claim 2, wherein the edge of the holding plate for holding the needle sheath is made of soft wear-resistant material.