CN216675799U

CN216675799U - Laryngeal tumor biopsy forceps

Info

Publication number: CN216675799U
Application number: CN202121899569.8U
Authority: CN
Inventors: 施俊; 贾欢
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-06-07
Anticipated expiration: 2031-08-10

Abstract

The utility model provides laryngeal tumor biopsy forceps which comprise a fixed forceps body and a movable forceps body, wherein the fixed forceps body and the movable forceps body are hinged through a forceps cheek; the movable plier body comprises a movable plier mouth, a movable plier arm and a movable finger ring which are connected into a whole in sequence; the fixed clamp body comprises a fixed clamp mouth, a fixed clamp arm and a fixed finger ring, the fixed clamp mouth and the fixed clamp arm are sequentially connected into a whole, and the fixed finger ring is arranged on the fixed clamp arm; the fixed clamp body is internally provided with a hollow aspirator tube, the suction inlet of the aspirator tube is arranged at the top end of the fixed clamp mouth of the fixed clamp body, and the interface of the aspirator tube is arranged at the tail end of the fixed clamp arm of the fixed clamp body. The utility model realizes the integration of the laryngeal tumor biopsy forceps and the suction apparatus, can integrate the functions of two traditional apparatuses by only one apparatus, and furthest ensures the motion range of the laryngeal tumor biopsy forceps on the premise of using the suction apparatus to ensure the clear visual field of a laryngoscope.

Description

Laryngeal tumor biopsy forceps

Technical Field

The utility model relates to the field of medical instruments, in particular to laryngeal tumor biopsy forceps.

Background

The electronic laryngoscope assisted laryngeal mass biopsy has the advantages of being minimally invasive, accurate and free of general anesthesia. In the routine clinical procedure for this examination, the operator needs to grasp a small new mass of tissue using laryngeal tumor biopsy forceps under the field of view of an electronic laryngoscope. However, the conventional laryngeal tumor biopsy forceps, whether fixed or assembled, need to be matched with a suction apparatus during use to reduce bleeding of the biopsy site and the shielding of laryngeal mucus on the visual field of a laryngoscope lens; the aspirator head can reduce the motion range of the laryngeal tumor biopsy forceps, so that the biopsy taking time is greatly prolonged. In the common operation, if the visual field of the laryngoscope for operation is not shielded, the laryngoscope needs to be additionally matched with the aspirator for use; if the movement range of the laryngeal forceps is guaranteed to the maximum extent, the suction apparatus needs to be reduced or not used as much as possible, namely the movement range and the operation visual field are difficult to be both full.

SUMMERY OF THE UTILITY MODEL

In view of the limitations of the prior art, the present invention aims to provide a laryngeal tumor biopsy forceps, which can ensure the movement range of the laryngeal forceps to the maximum extent on the premise of ensuring the clear visual field of the laryngoscope, so as to achieve the integration of the movement range and the operation visual field.

The utility model provides laryngeal tumor biopsy forceps which comprise a fixed forceps body and a movable forceps body, wherein the fixed forceps body and the movable forceps body are hinged through a forceps cheek; the movable plier body comprises a movable plier mouth, a movable plier arm and a movable finger ring which are sequentially connected into a whole; the fixed clamp body comprises a fixed clamp mouth, a fixed clamp arm and a fixed finger ring, the fixed clamp mouth and the fixed clamp arm are sequentially connected into a whole, and the fixed finger ring is arranged on the fixed clamp arm; the fixed clamp body is internally provided with a hollow aspirator tube, the suction inlet of the aspirator tube is arranged at the top end of the fixed clamp mouth of the fixed clamp body, and the interface of the aspirator tube is arranged at the tail end of the fixed clamp arm of the fixed clamp body.

Preferably, the included angle between the movable clamp mouth and the movable clamp arm is-30-60 degrees; the included angle between the fixed forceps mouth and the fixed forceps arm is-30-60 degrees.

Preferably, the aspirator tube is parallel to the stationary jaw tip and stationary jaw arm.

Preferably, the inner diameter of the aspirator pipe is 1.5-4 mm, and the outer diameter of the aspirator pipe is 2-5 mm.

Preferably, the movable tong mouth and the fixed tong mouth are oppositely arranged, and the suction inlet of the suction pipe is arranged on one surface of the fixed tong mouth, which is far away from the movable tong mouth.

Preferably, the movable forceps arm comprises a first section, a second section and a third section which are sequentially connected, wherein one end of the first section is connected with the movable forceps mouth, and one end of the third section is connected with the movable finger ring; the fixed forceps arm comprises a fourth section and a fifth section which are sequentially connected, and one end of the fourth section is connected with the fixed forceps mouth; the third section and the fifth section are hinged through a cheek so that the third section can be movably opened and closed relative to the fifth section; the first section is curved relative to the second section and the fourth section is curved relative to the fifth section.

Preferably, the first section comprises a first straightening section and a first bending section which are connected in sequence, the fourth section comprises a second straightening section and a second bending section which are connected in sequence, the length of the first straightening section and/or the second straightening section is 7-9 cm, and the radian of the first bending section and/or the second bending section is 0-180 degrees.

Preferably, the length of the second section is 10-15 cm.

As described above, the laryngeal tumor biopsy forceps of the present invention have the following beneficial effects:

1) the utility model realizes the integration of the laryngeal tumor biopsy forceps and the suction apparatus, can integrate the functions of two traditional apparatuses by only one apparatus, and furthest ensures the motion range of the laryngeal tumor biopsy forceps on the premise of using the suction apparatus to ensure the clear visual field of a laryngoscope;

2) the functions of the laryngeal tumor biopsy forceps and the suction apparatus are integrated, and meanwhile, the use convenience of the original laryngeal tumor biopsy forceps is not influenced too much, so that the use habit of an operator is taken care of;

3) the utility model also comprises a laryngeal tumor biopsy forceps with an angle and a suction apparatus interface, which is more beneficial for an operator to clamp the diseased tissue at the deep part of the oropharynx.

Drawings

FIG. 1 is a schematic view of a laryngeal mass biopsy forceps without an angle according to the present invention.

FIG. 2 is a schematic view of the angled laryngeal mass biopsy forceps of the present invention.

FIG. 3 is a schematic view of the laryngeal mass biopsy forceps head and the suction port of the suction apparatus of the present invention.

Description of the element reference numerals

1 Movable plier mouth

2 Movable plier arm

3 Movable finger ring

4 fixed clamp mouth

5 fixed forceps arm

6 fixed finger ring

7 aspirator tube

8 suction inlet of suction tube

9 suction apparatus pipe interface

I first section

I-1 first extension section

I-2 first bending section

II second section

III third section

IV fourth section

IV-1 second extension section

IV-2 second bending section

Fifth section V

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 become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 3. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in the figure, the utility model provides laryngeal tumor biopsy forceps, which comprise a fixed forceps body and a movable forceps body, wherein the fixed forceps body and the movable forceps body are hinged through a cheek, and the movable forceps body can be movably opened and closed relative to the fixed forceps body; the movable plier body comprises a movable plier mouth 1, a movable plier arm 2 and a movable finger ring 3 which are connected into a whole in sequence; the fixed clamp body comprises a fixed clamp mouth 4, a fixed clamp arm 5 and a fixed finger ring 6, the fixed clamp mouth 4 and the fixed clamp arm 5 are sequentially connected into a whole, and the fixed finger ring 6 is arranged on the fixed clamp arm 5; the fixed clamp body is internally provided with a hollow aspirator tube 7, the suction inlet 8 of the aspirator tube is arranged at the top end of the fixed clamp mouth 4 of the fixed clamp body, and the suction tube interface 9 is arranged at the tail end of the fixed clamp arm 5 of the fixed clamp body.

In a preferred embodiment, the fixed pincer body and the movable pincer body are hinged through the pincer cheek, the movable pincer body can be movably opened and closed relative to the fixed pincer body, the movable pincer body is a push rod type pincer, two pincer bodies are hinged and connected at the pincer cheek, the fixed pincer body is fixed relative to the pincer cheek, and the opening and closing movement of the pincer head can be realized only by controlling the movable pincer body.

In a preferred embodiment, the movable pliers body comprises a movable pliers mouth 1, a movable pliers arm 2 and a movable finger ring 3 which are sequentially connected into a whole; the fixed clamp body comprises a fixed clamp mouth 4, a fixed clamp arm 5 and a fixed finger ring 6, the fixed clamp mouth 4 and the fixed clamp arm 5 are sequentially connected into a whole, the fixed finger ring 6 is arranged on the fixed clamp arm 5, and the movable finger ring 3 and the fixed finger ring 6 are used for holding.

In a preferred embodiment, the included angle between the movable clamp mouth 1 and the movable clamp arm 2 is-30-60 degrees; the included angle between the fixed forceps mouth 4 and the fixed forceps arm 5 is-30-60 degrees, the included angles above are mostly-30 degrees, 0 degrees, 30 degrees, 45 degrees and 60 degrees, the included angles are more suitable for the structure of the throat, and an operator can conveniently clamp diseased tissues under mucosa.

In a preferred embodiment, a hollow suction tube 7 is disposed in the fixed forceps body, the suction tube 7 is parallel to the fixed forceps mouth 4 and the fixed forceps arm 5, the inner diameter of the suction tube 7 is 1.5-4 mm, and the outer diameter of the suction tube 7 is 2-5 mm. As the optional external diameter/internal diameter specifications of the conventional suction apparatus comprise 2mm/1.5mm, 3mm/2mm, 4mm/3mm and 5mm/4mm, the maximum value of the internal diameter parameter and the external diameter parameter is 4mm/5mm, the specifications can not influence the opening and closing of the laryngeal forceps. The suction pipe suction inlet 8 is arranged at the top end of the fixed clamp mouth 4 of the fixed clamp body, the movable clamp mouth 1 and the fixed clamp mouth 4 are arranged oppositely, the suction pipe suction inlet 8 is arranged on one surface, far away from the movable clamp mouth 1, of the fixed clamp mouth 4, the suction pipe interface 9 is arranged at the tail end of the fixed clamp arm 5 of the fixed clamp body, and when the suction pipe suction inlet is used, the suction pipe interface is directly connected with a suction bottle through a hose.

In a preferred embodiment, the movable clamp arm 2 comprises a first section i, a second section ii and a third section iii which are sequentially connected, wherein one end of the first section i is connected with the movable clamp mouth 1, and one end of the third section iii is connected with the movable finger ring 3; the fixed clamp arm 5 comprises a fourth section IV and a fifth section V which are sequentially connected, and one end of the fourth section IV is connected with the fixed clamp mouth 4; the third section III and the fifth section V are hinged through a jaw to enable the third section III to be movably opened and closed relative to the fifth section V; the first section i is curved relative to the second section ii and the fourth section iv is curved relative to the fifth section v.

In a preferred embodiment, the first section i comprises a first straight section i-1 and a first curved section i-2 which are sequentially connected, the fourth section iv comprises a second straight section iv-1 and a second curved section iv-2 which are sequentially connected, and the radian of the first curved section i-2 and/or the second curved section iv-2 is 0 to 180 °.

In a preferred embodiment, the length of the first straight section I-1 and/or the second straight section IV-1 is 7-9 cm, the length of the second section II is 10-15 cm, the length of the second section II is larger than that of the first straight section I-1 and/or the second straight section IV-1 according to the lever principle in mechanics, and stronger clamping force can be obtained by using smaller force, so that the pliers can clamp or shear more effectively.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The laryngeal tumor biopsy forceps are characterized by comprising a fixed forceps body and a movable forceps body which are hinged through a cheek, wherein the movable forceps body can be movably opened and closed relative to the fixed forceps body; the movable plier body comprises a movable plier mouth (1), a movable plier arm (2) and a movable finger ring (3) which are connected into a whole in sequence; the fixed clamp body comprises a fixed clamp mouth (4), a fixed clamp arm (5) and a fixed finger ring (6), the fixed clamp mouth (4) and the fixed clamp arm (5) are sequentially connected into a whole, and the fixed finger ring (6) is arranged on the fixed clamp arm (5); the suction device is characterized in that a hollow suction device pipe (7) is arranged in the fixed clamp body, a suction inlet (8) of the suction device pipe is arranged at the top end of a fixed clamp mouth (4) of the fixed clamp body, and a suction device pipe interface (9) is arranged at the tail end of a fixed clamp arm (5) of the fixed clamp body.

2. The laryngeal tumor biopsy forceps of claim 1, wherein: the included angle between the movable clamp mouth (1) and the movable clamp arm (2) is-30-60 degrees; the included angle between the fixed forceps mouth (4) and the fixed forceps arm (5) is-30-60 degrees.

3. The laryngeal tumor biopsy forceps of claim 1, wherein: the suction tube (7) is parallel to the fixed jaw (4) and the fixed jaw arm (5).

4. The laryngeal tumor biopsy forceps of claim 1, wherein: the inner diameter of the aspirator pipe (7) is 1.5-4 mm, and the outer diameter of the aspirator pipe (7) is 2-5 mm.

5. The laryngeal tumor biopsy forceps of claim 1, wherein: the movable clamp mouth (1) and the fixed clamp mouth (4) are arranged oppositely, and the suction inlet (8) of the suction tube is arranged on one surface, far away from the movable clamp mouth (1), of the fixed clamp mouth (4).

6. The laryngeal tumor biopsy forceps of claim 1, wherein: the movable clamp arm (2) comprises a first section (I), a second section (II) and a third section (III) which are sequentially connected, one end of the first section (I) is connected with the movable clamp mouth (1), and one end of the third section (III) is connected with the movable finger ring (3); the fixed clamp arm (5) comprises a fourth section (IV) and a fifth section (V) which are sequentially connected, and one end of the fourth section (IV) is connected with the fixed clamp mouth (4); the third section (III) and the fifth section (V) are hinged through jaw cheeks to make the third section (III) movable open and close relative to the fifth section (V); the first section (I) is curved relative to the second section (II) and the fourth section (IV) is curved relative to the fifth section (V).

7. The laryngeal tumor biopsy forceps of claim 6, wherein: the first section (I) comprises a first straight section (I-1) and a first bent section (I-2) which are sequentially connected, the fourth section (IV) comprises a second straight section (IV-1) and a second bent section (IV-2) which are sequentially connected, the length of the first straight section (I-1) and/or the length of the second straight section (IV-1) are 7-9 cm, and the radian of the first bent section (I-2) and/or the second bent section (IV-2) is 0-180 degrees.

8. The laryngeal tumor biopsy forceps of claim 7, wherein: the length of the second section (II) is 10-15 cm.