CN214857229U

CN214857229U - Laryngeal scissors cutting forceps

Info

Publication number: CN214857229U
Application number: CN202121694410.2U
Authority: CN
Inventors: 黄荣峰; 张松
Original assignee: Shenzhen Yichuang Biotechnology Co ltd
Current assignee: Shenzhen Yichuang Biotechnology Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-11-26
Anticipated expiration: 2031-07-23

Abstract

The utility model relates to the technical field of medical equipment, especially, relate to a larynx scissors pincers. The laryngeal scissors forceps comprise a first arc-shaped tube, wherein one end of the first arc-shaped tube is provided with a suction structure, and the suction structure is used for sucking tissues to be cut in a laryngeal cavity; the second arc-shaped pipe and the first arc-shaped pipe have the same bending radian and are arranged in the first arc-shaped pipe in a sliding manner, and one end, close to the suction structure, of the second arc-shaped pipe is provided with a shearing structure; the driving handle comprises a first push rod and a second push rod, the first arc-shaped tube is connected with the first push rod, the second arc-shaped tube is connected with the second push rod, the first push rod and the second push rod move in the opposite direction or in the opposite direction, and the laryngeal scissors clamp has a radian which is in line with the structure of a laryngeal cavity of a human body, so that the safety rate of an operation is improved and the risk of the operation is reduced during operation.

Description

Laryngeal scissors cutting forceps

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a larynx scissors pincers.

Background

The traditional laryngeal scissors forceps are generally straight rod-shaped and cannot adapt to the structure of the laryngeal cavity of the human body, so that the laryngeal scissors forceps at a special position in the laryngeal cavity cannot be touched, and the difficulty of operation and the potential safety hazard of the operation are increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of laryngeal scissors pliers for solve the problem that the laryngeal scissors pliers of the special position in the laryngeal cavity can not be touched in the prior art.

In order to solve the above problem, the utility model provides a throat scissors cut pincers, this throat scissors cut pincers include:

the suction structure is used for sucking tissues to be cut in the laryngeal cavity;

the second arc-shaped pipe and the first arc-shaped pipe have the same bending radian and are arranged in the first arc-shaped pipe in a sliding mode, one end, close to the suction structure, of the second arc-shaped pipe is provided with a shearing structure, the shearing structure is used for cutting off tissues needing to be cut off, and the other end of the second arc-shaped pipe is provided with a connector which is used for being communicated with suction equipment;

the driving handle comprises a first push rod and a second push rod, the first arc-shaped pipe is connected with the first push rod, the second arc-shaped pipe is connected with the second push rod, and the first push rod and the second push rod move in opposite directions or move away from each other.

In a possible implementation manner, the driving handle further includes an elastic mechanism, the elastic mechanism is disposed between the first push rod and the second push rod, and the elastic mechanism is configured to drive the first push rod to be away from the second push rod.

In a possible implementation manner, the elastic mechanism comprises a connecting column and a hinged spring, the connecting column penetrates through the hinged spring, the first push rod passes through the connecting column and the second push rod to be rotatably connected, and the first push rod and the second push rod are connected with the hinged spring in a clamped mode.

In a possible implementation manner, the driving handle further includes a threaded pipe, a sleeve and a limit nut, the threaded pipe is sleeved outside the second arc-shaped pipe, the sleeve is sleeved outside the threaded pipe in a sliding manner, the limit nut is arranged on the threaded pipe, the limit nut is used for limiting a sliding stroke of the sleeve on the threaded pipe, the first push rod is connected with the first arc-shaped pipe through the threaded pipe, and the second push rod is connected with the second arc-shaped pipe through the sleeve.

In a possible implementation manner, the driving handle further includes a sliding part, the sliding part is sleeved outside the second arc-shaped pipe and is arranged at one end of the threaded pipe close to the first push rod, and the first arc-shaped pipe is connected with the first push rod through the sliding part.

In a possible implementation manner, the first push rod includes a hinge portion and a driving portion, one end of the hinge portion is rotatably connected to the second push rod, the other end of the hinge portion is rotatably connected to the sliding member, and the driving portion is fixedly connected to the sliding member.

In a possible implementation manner, a movable groove is formed in the sleeve, and the first push rod penetrates through the movable groove to be fixedly connected with the sliding part.

In a possible implementation manner, a through groove is formed in the second push rod, the sleeve penetrates through the through groove, and the sleeve is fixedly connected with the second push rod.

In a possible implementation manner, the laryngeal scissors forceps further comprise an adjusting switch, the adjusting switch is arranged on the interface and is communicated with the interface, and the adjusting switch is used for adjusting the size of the attraction force generated by the attraction equipment.

In one possible implementation, the adjustment switch is a rotary switch.

The utility model has the advantages that: the utility model provides a throat shearing pliers, including first arc pipe and second arc pipe, be provided with respectively at the tip of first arc pipe and second arc pipe and absorb structure and shearing structure, realize damaging the shearing of tissue to the patient when the actuating handle action, this throat shearing pliers has the radian that accords with human larynx cavity structure for when the operation, improved the safe efficiency of operation, reduced the risk of operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Figure 1 shows a schematic view of the overall structure of a laryngeal cutting forceps;

FIG. 2 shows a schematic cross-sectional view of a laryngeal cutting forceps;

FIG. 3 is a partially enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged partial view of portion B of FIG. 2;

figure 5 shows an exploded view of the overall structure of the laryngeal cutting forceps;

fig. 6 is a schematic view showing a structure when the first arc tube and the first push rod and the second arc tube and the second push rod are coupled.

Description of the main element symbols:

100-a first arced tube; 110-a suction structure; 200-a second arced tube; 210-a shear structure; 220-an interface; 300-a drive handle; 310-first push rod 311-hinge; 312-a drive section; 320-a second push rod; 321-a through groove; 330-a resilient mechanism; 331-connecting column; 332-a hinge spring; 340-a threaded pipe; 350-sleeve; 351-active slot; 360-limit nut; 370-a slider; 400-adjusting the switch.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 and 3, the present invention provides a pair of laryngeal scissors, comprising a first arc tube 100 and a second arc tube 200, wherein one end of the first arc tube 100 is provided with a suction structure 110, and when performing a surgical operation, the suction structure 110 on the first arc tube 100 sucks damaged tissues in the laryngeal cavity of a patient; the second arced tube 200 is slidably disposed in the first arced tube 100, a shearing structure 210 is disposed at one end of the second arced tube 200 close to the suction structure 110, the shearing structure 210 on the second arced tube 200 is used for shearing damaged tissues in the laryngeal cavity of the patient sucked by the suction structure 110, a connector 220 is disposed at the other end of the second arced tube 200, and the connector 220 is used for communicating with a suction device.

The laryngeal cutting forceps further includes a drive handle 300, the drive handle 300 enabling sliding movement of the second arced tube 200 within the first arced tube 100.

Referring to fig. 2 and 6, in particular, the driving handle 300 includes a first push rod 310 and a second push rod 320, the first push rod 310 is connected to the first arc tube 100, and the second push rod 320 is connected to the second arc tube 200.

In this embodiment, the first push rod 310 and the second push rod 320 move towards or away from each other, and when the first push rod 310 and the second push rod 320 move towards each other, the first arc-shaped tube 100 slides in the second arc-shaped tube 200, so as to realize the shearing action of the laryngeal scissors pliers; when the first push rod 310 and the second push rod 320 move away from each other, the first arc-shaped tube 100 slides in the second arc-shaped tube 200, so that the releasing action of the throat cutting nipper is realized.

In the traditional laryngeal scissors forceps, the through pipe extending into the laryngeal cavity is generally in a straight rod shape and cannot be well adapted to the structure of the laryngeal cavity in a human body, so that the straight rod-shaped laryngeal scissors forceps cannot touch a special part in the laryngeal cavity of a patient in the operation process, and the operation difficulty and the operation potential safety hazard are increased.

The utility model provides a throat scissors pincers with specific crooked radian, this throat scissors pincers have the radian that accords with human laryngeal cavity structure for when the operation, improved the safe efficiency of operation, reduced the risk of operation.

In the present invention, the first arc tube 100 and the second arc tube 200 are both bent at a specific radian.

Specifically, in order to be more suitable for the tissue structure of the laryngeal cavity of the human body, the bending radian of the upper first arc-shaped tube 100 and the second arc-shaped tube 200 of the laryngeal scissors forceps is set to be 0.2-0.5 rad.

Specifically, in the present embodiment, the first curved pipe 100 and the second curved pipe 200 of the laryngeal scissors clamp have a curvature of 0.26 rad.

Referring to fig. 2, the laryngeal cutting forceps further includes an elastic mechanism 330, the elastic mechanism 330 is disposed between the first push rod 310 and the second push rod 320, and the elastic mechanism 330 is used for driving the first push rod 310 away from the second push rod 320.

Referring to fig. 2 and 5, in particular, the elastic mechanism 330 includes a connection column 331 and a hinge spring 332, one end of the first push rod 310 is provided with a connection hole, one end of the second push rod 320 is provided with a connection groove, the connection column 331 penetrates through the first push rod 310 and then is embedded into the connection groove to connect the first push rod 310 with the second push rod 320, wherein the connection column 331 further penetrates through the hinge spring 332, and the hinge spring 332 is clamped with the first push rod 310 and the second push rod 320 to provide driving potential energy for the first push rod 310 to be far away from the second push rod 320.

In other embodiments, the elastic mechanism 330 may be an elastic sheet disposed between the first pushing rod 310 and the second pushing rod 320, and when the first pushing rod 310 and the second pushing rod 320 move towards each other, the first pushing rod 310 and the second pushing rod 320 compress the elastic sheet, and the function of driving the first pushing rod 310 away from the second pushing rod 320 may also be achieved.

Referring to fig. 4 and 5, the driving handle 300 further includes a threaded tube 340, a sleeve 350, and a stop nut 360, wherein the threaded tube 340 is slidably sleeved on the second arc-shaped tube 200, the sleeve 350 is slidably sleeved on the threaded tube 340, the stop nut 360 is disposed on the threaded tube 340, and when the sleeve 350 slides on the threaded tube 340, a sliding stroke of the sleeve 350 is limited.

Specifically, stop nut 360 can rotate on spiral pipe 340, and further remove according to the demand on screwed pipe 340, and further inject sleeve pipe 350 the removal stroke on screwed pipe 340, and then realize controlling this throat scissors pincers's drive power, match according to different medical personnel's strength demand, improved this throat scissors pincers's practicality.

Referring to fig. 2 and 6, one end of the threaded pipe 340 is connected to the first push rod 310, the other end of the threaded pipe 340 is connected to the first arc-shaped pipe 100, one end of the sleeve 350 is connected to the second push rod 320, and the other end of the sleeve 350 is connected to the second push rod 320, so that when the first push rod 310 and the second push rod 320 move in opposite directions, the second arc-shaped pipe 200 is driven to slide in the first arc-shaped pipe 100, and the cutting action or the releasing action of the laryngeal scissors forceps is realized.

In this embodiment, the driving handle 300 further includes a sliding member 370, the sliding member 370 is sleeved outside the second arc-shaped tube 320 and is disposed at one end of the threaded tube 340 close to the first push rod 310, the first push rod 310 is connected to the first arc-shaped tube 100 through the sliding member 370, or the first push rod 310 is connected to the threaded tube 340 through the sliding member 370, and the threaded tube 340 is further connected to the first arc-shaped tube 100.

Specifically, the first push rod 310 includes a hinge portion 311 and a driving portion 312, one end of the hinge portion 311 is connected to the second push rod 320 through an elastic mechanism 330, the other end of the hinge portion 311 is rotatably connected to the sliding member 370, the driving portion 312 is fixedly connected to the sliding member 370, and when the first push rod 310 moves, the first push rod 310 pushes the sliding member 370 to move, so as to drive the first arced tube 100 to move.

Referring to fig. 5, one end of the sleeve 350 is connected to the second arc-shaped tube 200, the other end of the sleeve 350 is connected to the second push rod 320, a through groove 321 is formed on the second push rod 320, the sleeve 350 is disposed through the through groove 321, and a fixing device for connecting the second push rod 320 and the sleeve 350 is disposed on an inner side wall of the through groove 321.

Under the effect of the fixing device on the through groove 321, the second push rod 320 is connected with the outer wall of the sleeve 350, and the end part of the sleeve 350 far away from the second push rod 320 is connected with the second arc-shaped tube 200, when the second push rod 320 is driven to move towards the first push rod 310, the second arc-shaped tube 200 slides in the first arc-shaped tube 100, and then the shearing action or the releasing action of the throat shearing pliers is realized.

The sleeve 350 is provided with a plurality of active slots 351, wherein the active slots 351 are sequentially arranged around the axis of the sleeve 350, and at least one active slot 351 is arranged on the active slot 351.

In this embodiment, the driving portion 312 of the first push rod 310 passes through the movable slot 351 and is fixedly connected to the slider 370, and when the driving portion 312 moves towards the second push rod 320, the driving portion 312 can slide in the movable slot 351.

With reference to fig. 5, the laryngeal scissors forceps further includes an adjusting switch 400, the adjusting switch 400 is disposed on the outer edge of the interface 220 and is communicated with the interface 220, and the size of the channel in the second arc tube 200 can be controlled by adjusting the adjusting switch 400, so as to adjust the size of the suction force generated by the suction device.

In this embodiment, the adjusting switch 400 is a rotary adjusting switch 400, and the adjusting bolt is rotated to further adjust the passage in the second arc-shaped tube 200, so as to control the amount of the suction force generated by the suction device.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A laryngeal cutting forceps, comprising:

2. The laryngeal scissors clamp of claim 1, wherein the drive handle further comprises a resilient mechanism disposed between the first push rod and the second push rod, the resilient mechanism configured to urge the first push rod away from the second push rod.

3. The laryngeal scissors forceps of claim 2, wherein the elastic mechanism comprises a connecting column and a hinge spring, the connecting column penetrates through the hinge spring, the first push rod is rotatably connected with the second push rod through the connecting column, and the first push rod and the second push rod are both clamped with the hinge spring.

4. The laryngeal scissors forceps of claim 1, wherein the driving handle further comprises a threaded pipe, a sleeve and a limiting nut, the threaded pipe is sleeved outside the second arc-shaped pipe, the sleeve is slidably sleeved outside the threaded pipe, the limiting nut is arranged on the threaded pipe and used for limiting the sliding stroke of the sleeve on the threaded pipe, the first push rod is connected with the first arc-shaped pipe through the threaded pipe, and the second push rod is connected with the second arc-shaped pipe through the sleeve.

5. The laryngeal scissors forceps of claim 4, wherein the driving handle further comprises a sliding piece, the sliding piece is sleeved outside the second arc-shaped tube and is arranged at one end, close to the first push rod, of the threaded tube, and the first arc-shaped tube is connected with the first push rod through the sliding piece.

6. The laryngeal scissors clamp of claim 5, wherein the first push rod comprises a hinge portion and a driving portion, one end of the hinge portion is rotatably connected with the second push rod, the other end of the hinge portion is rotatably connected with the slider, and the driving portion is fixedly connected with the slider.

7. The laryngeal scissors forceps of claim 5, wherein the sleeve is provided with a movable slot, and the first push rod penetrates through the movable slot and is fixedly connected with the sliding member.

8. The laryngeal scissors forceps of claim 4, wherein the second push rod is provided with a through slot, the sleeve is arranged to penetrate through the through slot, and the sleeve is fixedly connected with the second push rod.

9. The laryngeal cutting forceps of claim 1, further comprising an adjustment switch disposed on the interface and in communication with the interface, the adjustment switch configured to adjust the amount of suction generated by the suction device.

10. The laryngeal cutting forceps of claim 9, wherein the adjustment switch is a rotary switch.