CN216724674U

CN216724674U - Bent laryngoscope forceps conforming to vocal cord angle

Info

Publication number: CN216724674U
Application number: CN202122995478.0U
Authority: CN
Inventors: 王吉喆; 崔垚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-06-14
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a curved laryngoscope forceps conforming to the vocal cord angle, which comprises a handle, a forceps rod and a forceps head, wherein the forceps head comprises a fixed forceps head, a movable forceps head and a forceps head connecting piece, the fixed forceps head is fixedly connected with the forceps head connecting piece, and the movable forceps head is hinged with the fixed forceps head; the fixed binding clip comprises a jaw I and a jaw connecting piece I, wherein the intersection angle between the center line of the jaw I in the length direction and the center line of the jaw connecting piece I in the length direction is 20-40 degrees; the movable pliers head comprises a pliers opening II and a pliers opening connecting piece II, and the included angle between the center line of the pliers opening II along the length direction and the center line of the pliers opening connecting piece II along the length direction is 20-40 degrees. The utility model discloses the crooked laryngoscope pincers that accord with vocal cord angle can satisfy the operation doctor and can accomplish the forceps holder tissue simultaneously and cut tissue matched with purpose in same space, and the human body of laminating completely can be made things convenient for the doctor to operate to the distinctive angle between fixed binding clip, activity binding clip and the binding clip connecting piece, improves operation effect and efficiency.

Description

Bent laryngoscope forceps conforming to vocal cord angle

Technical Field

The utility model relates to the field of medical equipment, concretely relates to crooked laryngoscope pincers that accord with vocal cord angle.

Background

The throat surgery has a narrow operation space in the operation area due to its physiological characteristics. In the laryngeal surgery under the curved support laryngoscope, the operating space of the laryngeal instrument is more limited due to the curved characteristic, and the curved surgical scissors and the curved surgical forceps can be operated in the same space at the same time, so that the operation is impossible or very difficult. Therefore, the curved circular hole forceps and cutting integrated instrument is designed, and the purpose that tissue clamping and tissue cutting can be simultaneously completed in the same space in the laryngeal operation process using the curved laryngoscope in the period of an operator is met.

SUMMERY OF THE UTILITY MODEL

For solving the problem of the prior art, the utility model provides a crooked laryngoscope pincers that accord with vocal cord angle can adapt to most crowds according to the angle that the human body structure was made.

The purpose of the utility model is realized through the following technical scheme: a curved laryngoscope forceps conforming to the vocal cord angle comprises a handle, a forceps rod and a forceps head, wherein one end of the forceps rod is connected with the handle, and the other end of the forceps rod is connected with the forceps head;

the binding clip comprises a fixed binding clip, a movable binding clip and a binding clip connecting piece, the fixed binding clip is fixedly connected with the binding clip connecting piece, and the movable binding clip is hinged with the fixed binding clip;

the fixed forceps head comprises a forceps jaw I and a forceps jaw connecting piece I, the forceps jaw I is fixedly connected with the forceps jaw connecting piece I, an included angle theta formed by the intersection of the center line of the forceps jaw I in the length direction and the center line of the forceps jaw connecting piece I in the length direction is 20-40 degrees, the operation is convenient, and the operation efficiency of a doctor is improved;

the movable forceps head comprises a forceps jaw II and a forceps jaw connecting piece II, the forceps jaw II is fixedly connected with the forceps jaw connecting piece II, an included angle theta formed by the center line of the forceps jaw II in the length direction and the center line of the forceps jaw connecting piece II in the length direction is 20-40 degrees, operation is convenient, and operation efficiency of a doctor is improved.

Further, keep silent I7 and keep silent II 9 relative setting, keep silent I7 and keep silent II 9's bottom outwards, the top is inwards, keep silent I and keep silent II's bottom and be equipped with the leak protection fence.

Further, the jaw I and the jaw II are bowl-shaped structures, and the cross sections of the jaw I and the jaw II are oval; the included angle theta formed by the intersection of the axis of the jaw I in the direction of the long axis of the ellipse and the center line of the jaw connecting piece I in the length direction is 20-40 degrees; the included angle theta formed by the intersection of the axial line of the jaw II along the long axis direction of the ellipse and the central line of the jaw connecting piece II along the length direction is 20-40 degrees.

Furthermore, the clamp rod and the clamp head connecting piece are of hollow tubular structures.

Furthermore, a pull rod is arranged inside the clamp rod, one end of the pull rod is connected with the handle, and the other end of the pull rod penetrates through the clamp rod and a cavity of the clamp head connecting piece to be connected with the movable clamp head.

Furthermore, the clamp rod is of an arc-shaped structure, the arc radius range is 180-200 mm, and 194mm is preferred; the arc length is 230-270 mm, and preferably 250 mm; the arc is very close to the natural angle of the neck and the throat of most people in the operation, and the injury and the postoperative sequelae of the patient in the operation are greatly reduced.

Furthermore, the movable binding clip is positioned at the left end of the binding clip, and the fixed binding clip is positioned at the right end of the binding clip; or the movable binding clip is positioned at the right end of the binding clip, and the fixed binding clip is positioned at the left end of the binding clip.

Furthermore, the handles are hinged with each other and provided with finger rings, and are riveted through fastening screws.

Further, the fastening screw, the handle, the pull rod, the clamp head connecting piece, the fixed clamp head and the movable clamp head are made of stainless steel, specifically, the fastening screw is made of 304, the handle is made of 17-4PH, the pull rod is made of 317, the clamp rod is made of 304, and the clamp head connecting piece, the fixed clamp head and the movable clamp head are made of 30Cr 13.

Furthermore, the binding clip is a cutting integrated binding clip.

The use method is that a person lies on the operation bed with the head naturally lying on the head, the bent laryngoscope forceps according with the vocal cord angle can naturally go deep into the throat of the human body, and the purpose that a surgeon can clamp tissues and cut the tissues in the same space at the same time is met.

The utility model has the advantages that:

the utility model discloses the crooked laryngoscope pincers that accord with vocal cord angle can satisfy the operation doctor and can accomplish the pincers clamp tissue simultaneously and cut tissue matched with purpose in same space.

The unique angles among the fixed forceps head, the movable forceps head and the forceps head connecting piece can be completely attached to a human body, the operation of a doctor is facilitated, and the operation effect and efficiency are improved.

The arc radius range of the forceps rod is 180-200 mm, the arc length is 230-270 mm, the forceps rod is very close to the natural angle formed by the neck and the throat of most people in the operation, the operation of a doctor is facilitated, and the operation effect and the operation efficiency are improved.

Drawings

FIG. 1 is a schematic view of the configuration of a curved laryngoscope forceps conforming to the vocal cord angle.

Fig. 2 is a structural schematic diagram of the movable tong head in an opened state.

Fig. 3 is a structural schematic diagram of the movable tong head closing.

In the figure: 1. handle, 2, claw beam, 3, binding clip, 4, fixed binding clip, 5, activity binding clip, 6, binding clip connecting piece, 7, I, 8, I, 9, II, 10, II, 11, the screw of keeping silent, 12, leak protection fence, 13, the blade of keeping silent I, 14, the blade of keeping silent II.

Detailed Description

The following non-limiting examples will allow one of ordinary skill in the art to more fully understand the present invention, but are not intended to limit the invention in any way.

Example 1

As shown in fig. 1, 2 and 3, a pair of curved laryngoscope forceps conforming to the vocal cord angle comprises a handle 1 with a ring, a forceps rod 2 and a forceps head 3 which are hinged with each other, wherein one end of the forceps rod 2 is connected with the handle 1, and the other end is connected with the forceps head 3; the binding clip 3 comprises a fixed binding clip 4, a movable binding clip 5 and a binding clip connecting piece 6, the fixed binding clip 4 is fixedly connected with the binding clip connecting piece 6, and the movable binding clip 5 is hinged with the fixed binding clip 4; the fixed forceps head 4 comprises a forceps jaw I7 and a forceps jaw connecting piece I8, the forceps jaw I7 is fixedly connected with the forceps jaw connecting piece I8, the forceps jaw I7 is of a bowl-shaped structure, the cross section of the forceps jaw I7 is oval, an acute included angle theta formed by the intersection of the axis of the forceps jaw I7 in the direction of the long axis of the oval and the center line of the forceps jaw connecting piece I8 in the length direction is 25 degrees, the forceps can be completely attached to a human body, operation of a doctor is facilitated, and the operation effect and efficiency are improved; the activity binding clip 5 is including keeping silent II 9 and keeping silent connecting piece II 10, keep silent II 9 and keep silent connecting piece II 10 fixed connection, keep silent II 9 and be the bowl form structure, its cross-section is oval, keep silent II 9 along the axis of oval major axis direction and keep silent connecting piece II 10 along the crossing acute angle contained angle theta of length direction's central line for 25, this angle can laminate the human body completely, makes things convenient for doctor's operation, improves operation effect and efficiency. The movable binding clip 5 is positioned at the left end of the binding clip 3, and the fixed binding clip 4 is positioned at the right end of the binding clip 3. The major axis of the elliptic cross sections of the jaw I7 and the jaw II 9 is 4.5mm, the minor axis of the elliptic cross sections of the jaw I7 and the jaw II 9 is 3.0mm, the heights of the jaw I7 and the jaw II 9 are equal, and the sum of the heights of the jaw I7 and the jaw II 8 is 4.5 mm; the jaw I7 and the jaw II 9 are oppositely arranged, the bottoms of the jaw I7 and the jaw II 9 face outwards, the tops of the jaw I7 and the jaw II 9 face inwards, the bottom of the jaw I7 and the bottom of the jaw II 9 are provided with a leakage-proof fence 12, and the edges of the two sides of the top opening of the jaw I7 and the jaw II 9 are provided with cutting edges (respectively the cutting edge 13 of the jaw I7 and the cutting edge 14 of the jaw II). The clamp rod 2 and the clamp head connecting piece 6 are of hollow tubular structures. A pull rod is arranged in the forceps rod 2, one end of the pull rod is connected with the handle 1, and the other end of the pull rod penetrates through the forceps rod 2 and a cavity of the forceps head connecting piece 6 to be connected with the jaw connecting piece II 10 of the movable forceps head 5. The length of the jaw connecting piece I8 and the jaw connecting piece II 10 is 10.01mm, and the width of the jaw connecting piece II is 2.52 mm. The forceps rod 2 is of an arc-shaped structure, the arc radius is 194mm, the arc length is 250mm, the arc is close to the natural angle formed by the neck and the throat of most people in the operation, the operation of a doctor is facilitated, and the operation effect and efficiency are improved. The height of the curved laryngoscope forceps, which conforms to the vocal cord angle, is 254.85 mm. The handle 2 is riveted by a fastening screw 11. The fastening screw 11, the handle 1, the pull rod, the clamp rod 2, the fixed clamp head 4 and the movable clamp head 5 are made of stainless steel, specifically, the fastening screw 11 is made of 304, the handle 1 is made of 17-4PH, the pull rod is made of 317, the clamp rod 2 is made of 304, and the clamp head connecting piece 6, the fixed clamp head 4 and the movable clamp head 5 are made of 30Cr 13. The forceps head 3 is a forceps-cutting integrated forceps head 3, and the opening and closing of the movable forceps head 5 are controlled through the matching of the handle 1 and the pull rod, so that the purpose that an operator can clamp tissues and cut the tissues in the same space at the same time can be met.

Example 2

As shown in fig. 1, 2 and 3, a pair of curved laryngoscope forceps conforming to the vocal cord angle comprises a handle 1 with a ring, a forceps rod 2 and a forceps head 3 which are hinged with each other, wherein one end of the forceps rod 2 is connected with the handle 1, and the other end is connected with the forceps head 3; the binding clip 3 comprises a fixed binding clip 4, a movable binding clip 5 and a binding clip connecting piece 6, the fixed binding clip 4 is fixedly connected with the binding clip connecting piece 6, and the movable binding clip 5 is hinged with the fixed binding clip 4; the fixed forceps head 4 comprises a forceps jaw I7 and a forceps jaw connecting piece I8, the forceps jaw I7 is fixedly connected with the forceps jaw connecting piece I8, the forceps jaw I7 is of a bowl-shaped structure, the cross section of the forceps jaw I7 is oval, an acute included angle formed by the intersection of the axis of the forceps jaw I7 in the direction of the long axis of the oval and the center line of the forceps jaw connecting piece I8 in the length direction is 25 degrees, the forceps can be completely attached to a human body, operation of a doctor is facilitated, and the operation effect and efficiency are improved; the activity binding clip 5 is including keeping silent II 9 and keeping silent connecting piece II 10, keep silent II 9 and keep silent connecting piece II 10 fixed connection, keep silent II 9 and be the bowl form structure, its cross-section is oval, keep silent II 9 along the axis of oval major axis direction and keep silent connecting piece II 10 and be 25 along the crossing acute angle contained angle of length direction's central line, this angle can laminate the human body completely, makes things convenient for doctor's operation, improves operation effect and efficiency. The movable binding clip 5 is positioned at the right end of the binding clip 3, and the fixed binding clip 4 is positioned at the left end of the binding clip 3. The major axis of the elliptic cross sections of the jaw I7 and the jaw II 9 is 4.5mm, the minor axis of the elliptic cross sections of the jaw I7 and the jaw II 9 is 3.0mm, the heights of the jaw I7 and the jaw II 9 are equal, and the sum of the heights of the jaw I7 and the jaw II 8 is 4.5 mm; the jaw I7 and the jaw II 9 are oppositely arranged, the bottoms of the jaw I7 and the jaw II 9 face outwards, the tops of the jaw I7 and the jaw II 9 face inwards, the bottom of the jaw I7 and the bottom of the jaw II 9 are provided with a leakage-proof fence 12, and the edges of the two sides of the top opening of the jaw I7 and the jaw II 9 are provided with cutting edges (respectively the cutting edge 13 of the jaw I7 and the cutting edge 14 of the jaw II). The clamp rod 2 and the clamp head connecting piece 6 are of hollow tubular structures. A pull rod is arranged in the forceps rod 2, one end of the pull rod is connected with the handle 1, and the other end of the pull rod penetrates through the forceps rod 2 and a cavity of the forceps head connecting piece 6 to be connected with the jaw connecting piece II 10 of the movable forceps head 5. The length of the jaw connecting piece I8 and the jaw connecting piece II 10 is 10.01mm, and the width of the jaw connecting piece II is 2.52 mm. The forceps rod 2 is of an arc-shaped structure, the arc radius is 194mm, the arc length is 250mm, the arc is close to the natural angle formed by the neck and the throat of most people in the operation, the operation of a doctor is facilitated, and the operation effect and efficiency are improved. The height of the curved laryngoscope forceps, which conforms to the vocal cord angle, is 254.85 mm. The handle 2 is riveted by a fastening screw 11. The fastening screw 11, the handle 1, the pull rod, the clamp rod 2, the fixed clamp head 4 and the movable clamp head 5 are made of stainless steel, specifically, the fastening screw 11 is made of 304, the handle 1 is made of 17-4PH, the pull rod is made of 317, the clamp rod 2 is made of 304, and the clamp head connecting piece 6, the fixed clamp head 4 and the movable clamp head 5 are made of 30Cr 13. The forceps head 3 is a forceps-cutting integrated forceps head 3, and the opening and closing of the movable forceps head 5 are controlled through the matching of the handle 1 and the pull rod, so that the purpose that an operator can clamp tissues and cut the tissues in the same space can be achieved simultaneously.

The cutting edges at the top of the jaw I and the jaw II of the curved laryngoscope forceps with the vocal cord angle are sharp, and the curved laryngoscope forceps have good shearing performance. The clamping force of the curved laryngoscope forceps conforming to the vocal cord angle should be no less than 5N. The cutting edges of the jaw I and the jaw II are mutually matched, and the phenomena of stagger and deflection are avoided. The cutting edge of the bent laryngoscope forceps conforming to the vocal cord angle is clear and complete, and the defects of blade missing, rotten blade, hair blade and the like are avoided; the cutting edges of the jaw I and the jaw II are not required to have the phenomena of edge curling and edge tipping. The handles hinged with each other with the finger rings are riveted through the fastening screws 11, the fastening screws 11 are firmly riveted on the corresponding parts, the loosening and falling phenomena cannot occur, and the fastening screws 11 cannot follow when the handles are opened and closed. The product has the advantages of easy and flexible response, moderate tightness and no clamping stagnation or biting phenomenon. After the movable pliers head 5 is closed, the head ends (the jaw I7 and the jaw II 9) must be mutually covered, and the phenomena of shortage and overtop are avoided. The opening degree of the head (the movable clamp head 5) is not less than 45 degrees.

Any person skilled in the art can substitute or change the technical solution of the present invention and its inventive concept equally within the technical scope of the present invention.

Claims

1. A bent laryngoscope clamp conforming to the vocal cord angle is characterized by comprising a handle, a clamp rod and a clamp head, wherein one end of the clamp rod is connected with the handle, and the other end of the clamp rod is connected with the clamp head;

the binding clip comprises a fixed binding clip, a movable binding clip and a binding clip connecting piece, wherein the fixed binding clip is fixedly connected with the binding clip connecting piece, and the movable binding clip is hinged with the fixed binding clip;

the fixed binding clip comprises a jaw I and a jaw connecting piece I, the jaw I is fixedly connected with the jaw connecting piece I, and the intersection angle between the center line of the jaw I in the length direction and the center line of the jaw connecting piece I in the length direction is 20-40 degrees;

the movable pliers head comprises a jaw II and a jaw connecting piece II, the jaw II is fixedly connected with the jaw connecting piece II, and an included angle formed by the intersection of the center line of the jaw II in the length direction and the center line of the jaw connecting piece II in the length direction is 20-40 degrees.

2. The curved laryngoscope forceps according to the vocal cord angle claim 1, wherein the bottom of the jaws I and II is provided with a leakproof fence.

3. The curved laryngoscope forceps conforming to the vocal cord angle according to claim 1, wherein the forceps jaw I and the forceps jaw II are bowl-shaped structures, and the cross sections of the forceps jaw I and the forceps jaw II are oval;

the included angle formed by the intersection of the axis of the jaw I in the direction of the long axis of the ellipse and the center line of the jaw connecting piece I in the length direction is 20-40 degrees; the included angle formed by the intersection of the axial line of the jaw II along the long axis direction of the ellipse and the central line of the jaw connecting piece II along the length direction is 20-40 degrees.

4. The curved laryngoscope forceps according to claim 1, wherein the forceps rod and the forceps head connecting piece are of a hollow tubular structure.

5. The curved laryngoscope forceps according to the vocal cord angle according to claim 1, wherein a pull rod is arranged inside the forceps rod, one end of the pull rod is connected with the handle, and the other end of the pull rod penetrates through the forceps rod and a cavity of the forceps head connecting piece to be connected with the movable forceps head.

6. A curved laryngoscope forceps according to claim 1 and having a vocal cord angle conforming thereto wherein the movable forceps head is located at the left end of the forceps head and the fixed forceps head is located at the right end of the forceps head; or the movable binding clip is positioned at the right end of the binding clip, and the fixed binding clip is positioned at the left end of the binding clip.

7. The curved laryngoscope forceps according to claim 1, wherein the forceps rod is of an arc-shaped structure, the radius of the arc is 180-200 mm, and the arc length is 230-270 mm.

8. The curved laryngoscope forceps according to the vocal cord angle according to claim 1, wherein the handle, the pull rod, the forceps head connecting piece, the fixed forceps head and the movable forceps head are made of stainless steel.

9. The curved laryngoscope forceps according to claim 1, wherein the forceps head is a forceps-cutting integrated forceps head.