CN214761345U - Angle-adjustable separating forceps - Google Patents

Abstract

The utility model discloses a but angle of adjustment's separation pincers, a serial communication port, include: the device comprises a fixed handle, a movable handle, a detachable connecting part, an operating rod, a binding clip, an elastic strip bow, an angle adjusting part, a push rod, a traction wire, a push rod buckle groove, a traction wire rotating wheel, a rotating shaft seat, a support rod, two support rods, three support rods, four support rods, a nickel-titanium alloy elastic sheet, a pulley and a hinge plate rod; the device changes present traditional separation pincers, the fixed nonadjustable structure of binding clip angle, the separation pincers that use under this peritoneoscope can be at the angle change of external control binding clip portion, it is narrow and small to adjust binding clip portion angle according to the tissue condition at the operation in-process and make some positions of its perfect adaptation, the tissue at angle cunning position, avoid totally relying on doctor adaptation wrist strength to remove the adjustment of control separation pincers and lead to haring patient's tissue or organ, make doctor's operation process lighter, the operation is more accurate.

Description

Angle-adjustable separating forceps

Technical Field

The utility model belongs to peritoneoscope operation medical instrument field, concretely relates to angle of adjustment's separation pincers.

Background

Laparoscopic surgery is a procedure performed using a laparoscope and its associated instruments: using a cold light source to provide illumination, inserting a laparoscope lens (the diameter is 3-10mm) into the abdominal cavity, using a digital camera technology to transmit an image shot by the laparoscope lens to a post-stage signal processing system through an optical fiber, and displaying the image on a special monitor in real time; then, the doctor analyzes and judges the state of an illness of the patient through images of different angles of the organs of the patient displayed on a monitor screen, and performs an operation by using a special laparoscope instrument; the laparoscopic surgery is suitable for hepatobiliary system surgery, splenic pancreatic disease surgery and gastrointestinal surgery;

the separation pincers effect that uses among the laparoscopic surgery is used for separating the tissue or gets the tissue of clamp, but present separation pincers mostly are straightening separation pincers or crooked, 90 right angles, 110 obtuse angle separation pincers, its binding clip fixed angle can not be adjusted, but among the laparoscopic surgery instrument channel opening is little, some deep pathological change tissues in the abdominal cavity, the position is narrow and small, the angle cunning, the separation pincers are controlled to depend on operation doctor one person wrist joint entirely, the tissue of some narrow and small angle cunning positions of difficult adaptation of this kind of fixed separation pincers of angle is singly depending on doctor hand control in implementing the operation process, and can let doctor's hand produce muscle joint strain or lead to patient's tissue organ damage.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a but angle of adjustment's separation pincers, the device changes present traditional separation pincers, the fixed nonadjustable structure of binding clip angle, the separation pincers that this peritoneoscope used can be in the angle change of external control binding clip portion, it is narrow and small to make its perfect adaptation some positions of adjusting binding clip portion angle according to the tissue condition in the operation process, the tissue at angle cunning position, avoid totally relying on doctor to adapt to wrist strength to control the adjustment of separation pincers and lead to damaging patient's tissue or organ, make doctor's operation process lighter, the operation is more accurate;

in order to achieve the technical purpose, the utility model discloses a realize through following technical scheme: an angularly adjustable release clamp, comprising: the device comprises a fixed handle, a movable handle, a detachable connecting part, an operating rod, a binding clip, an elastic strip bow, an angle adjusting part, a push rod, a traction wire, a push rod buckle groove, a traction wire rotating wheel, a rotating shaft seat, a support rod, two support rods, three support rods, four support rods, a nickel-titanium alloy elastic sheet, a pulley and a hinge plate rod;

the head end of the fixed handle is detachably connected with the tail end of the operating rod through a detachable connecting part; the head end of the movable handle is hinged on the fixed handle; an elastic strip bow is connected between the fixed handle and the movable handle; the upper part outside the fixed handle is connected with an angle adjusting control part; a push rod is movably arranged in the operating rod, the detachable connecting part and the fixed handle, and the tail end of the push rod is movably hinged in a push rod buckle groove connected with the upper end of the movable handle; the head end of the push rod is hinged with the tail ends of the first support rod and the second support rod in an up-down symmetrical manner, the head ends of the first support rod and the second support rod are hinged with the tail ends of the third support rod and the fourth support rod, and the positions of the head ends of the three support rods and the fourth support rods, which are close to the head ends, are respectively connected with a tong head after being hinged in a crossed manner; the forceps head is divided into two hinged parts, and a nickel-titanium alloy elastic sheet is connected between the two parts; the head ends of the two traction wires are respectively connected with the head ends of the two binding clip heads, the tail ends of the two traction wires are led out from the tail ends of the binding clip heads after passing through the interior of the binding clip heads, and the two traction wires extend to the fixed handle in the operating rod and are wound on the traction wire rotating wheel; the traction wire rotating wheel is fixedly connected with the angle adjusting part;

furthermore, the binding clip is divided into a binding clip bending part and a main body part, the binding clip bending part is hinged with the main body part, and the length of the binding clip bending part is one third of that of the main body part; a nickel-titanium alloy elastic sheet is connected between the bending part of the forceps head and the side surface of the main body part, and when the nickel-titanium alloy elastic sheet is completely stretched, the included angle between the bending part of the forceps head and the main body part is 110 degrees;

furthermore, the clamping surfaces of the bending part of the tong head and the main body part are provided with anti-skidding groove structures;

furthermore, the angle adjusting part consists of an outer protective cylinder, an adjusting button and a rotating rod; the outer protection cylinder is fixedly connected to the upper part of the outer part of the fixed handle, the rotating rod penetrates through the outer protection cylinder to enter the inner part of the fixed handle, the lower end of the rotating rod is rotatably connected with a rotating shaft seat connected to the lower part of the inner part of the fixed handle, and the upper end of the rotating rod extends out of the outer protection cylinder and is connected with the adjusting button; the rotating rod is fixedly connected with two traction wire rotating wheels, and the tail ends of the traction wires are wound on the traction wire rotating wheels;

furthermore, the side surface of the adjusting button is provided with an anti-skid texture structure; 110-degree and 90-degree characters are marked on the circular disc surface of the outer protective cylinder, two arrows are marked on the circular disc surface of the adjusting button corresponding to the 110-degree and 90-degree characters, and a plus character is marked corresponding to the arrow;

furthermore, the operating rod is fixedly connected with the upper end and the lower end of the hinged disc rod in the position close to the opening at the head end, and the three-support rod and the four-support rod are crossed and hinged at the hinged disc in the middle of the hinged disc rod at the position close to the head end and then connected with the tong head;

furthermore, the operating rod is internally and vertically symmetrically connected with a pulley at the position close to the opening at the head end; the tail end of the traction wire is led out from the tail end of the tong head, is wound on the pulley and finally reaches the traction wire rotating wheel in the operating rod.

The utility model has the advantages that the device changes the prior traditional separation forceps, the structure that the angle of the forceps head is fixed and can not be adjusted, the separation forceps used under the laparoscope can control the angle change of the forceps head part in vitro, the angle of the forceps head part is adjusted according to the tissue condition in the operation process to perfectly adapt to the narrow and small positions, the tissue at the angle of the cunning part is avoided completely depending on the wrist strength of a doctor to control the adjustment of the separation forceps and to damage the tissue or organ of a patient, the operation process of the doctor is easier, and the operation is more accurate; the use is simple and convenient, the angle is flexibly adjusted through the matching of the traction wire and the nickel-titanium alloy elastic sheet, and the laparoscope operation has excellent application value.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the external overall structure of an adjustable angle separating forceps;

FIG. 2 is a schematic view of the internal overall structure of an angle adjustable release clamp;

FIG. 3 is a detailed schematic view of the internal drive mechanism of an adjustable angle declutching jaw;

FIG. 4 is an enlarged partial view A of an adjustable angle release clamp;

FIG. 5 is an enlarged partial view B of an adjustable angle release clamp;

FIG. 6 is a side view of a detail of the head of an angle adjustable release pliers;

FIG. 7 is a schematic view of the adjusting knob and the surface of the outer cylindrical disk of the angle adjustable release clamp;

in the drawings, the components represented by the respective reference numerals are listed below:

1-fixed handle, 2-movable handle, 3-detachable connecting part, 4-operating rod, 5-binding clip, 501-binding clip bent part, 6-elastic strip bow, 7-angle adjusting part, 701-outer protecting tube, 702-adjusting button, 703-rotating rod, 8-push rod, 9-traction line, 10-push rod buckle groove, 11-traction line rotating wheel, 12-rotating shaft seat, 13-one supporting rod, 14-two supporting rod, 15-three supporting rod, 16-four supporting rod, 17-nickel-titanium alloy elastic sheet, 18-pulley and 19-hinged disk rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Examples

An angularly adjustable release clamp, comprising: the device comprises a fixed handle 1, a movable handle 2, a detachable connecting part 3, an operating rod 4, a binding clip 5, an elastic strip bow 6, an angle adjusting part 7, a push rod 8, a traction wire 9, a push rod buckle slot 10, a traction wire rotating wheel 11, a rotating shaft seat 12, a support rod 13, a two support rod 14, a three support rod 15, a four support rod 16, a nickel-titanium alloy elastic sheet 17, a pulley 18 and a hinged disc rod 19;

the head end of the fixed handle 1 is detachably connected with the tail end of the operating rod 4 through the detachable connecting part 3; the head end of the movable handle 2 is hinged on the fixed handle 1; an elastic strip bow 6 is connected between the fixed handle 1 and the movable handle 2; the upper part of the outside of the fixed handle 1 is connected with an angle adjusting control part 7; a push rod 8 is movably arranged in the operating rod 4, the detachable connecting part 3 and the fixed handle 1, and the tail end of the push rod 8 is movably hinged in a push rod buckling groove 10 connected with the upper end of the movable handle 2; the head end of the push rod 8 is hinged with the tail ends of a first supporting rod 13 and a second supporting rod 14 in an up-down symmetrical manner, and the head ends of the first supporting rod 13 and the second supporting rod 14 are hinged with the tail ends of a third supporting rod 15 and a fourth supporting rod 16 respectively; the operating rod 4 is fixedly connected with the upper end and the lower end of a hinged disc rod 19 in the position close to the opening of the head end, and the three supporting rods 15 and the four supporting rods 16 are crossed and hinged at a hinged disc in the middle of the hinged disc rod 19 at the position close to the head end and then connected with the tong head 5; the first to fourth support rods are hinged to form a tong head driving mechanism, the movable handle 2 is pressed towards the direction close to the fixed handle 1, at the moment, the push rod buckling groove 10 at the head end of the movable handle 2 pushes the push rod 8 forwards, and the push rod 8 drives the driving mechanism formed by hinging the first to fourth support rods, so that the two tong heads 5 are separated to realize separation operation; the movable handle 2 is loosened, the movable handle 2 automatically resets under the action of the elastic strip bow 6, at the moment, the push rod buckling groove 10 drives the push rod 8 to move backwards, and the forceps head 5 is folded;

the binding clip 5 is divided into a binding clip bending part 501 and a main part, the binding clip bending part 501 is hinged with the main part, and the length of the binding clip bending part 501 is one third of the length of the main part; a nickel-titanium alloy elastic sheet 17 is connected between the bending part 501 of the forceps head and the side surface of the main body part, and when the nickel-titanium alloy elastic sheet 17 is completely stretched, the included angle between the bending part 501 of the forceps head and the main body part is 110 degrees; the head ends of the two traction wires 9 are respectively connected with the head ends of the two binding clip 5, the tail ends of the two traction wires are led out from the tail ends of the binding clip 5 after passing through the interior of the binding clip 5, and the two traction wires extend to the fixed handle 1 in the operating rod 4 and are wound on the traction wire rotating wheel 11; the traction wire rotating wheel 11 is fixedly connected with the angle adjusting part 7; specifically, the angle adjusting part 7 is composed of an outer casing 701, an adjusting button 702 and a rotating rod 703; the outer protective cylinder 701 is fixedly connected to the upper part of the outer part of the fixed handle 1, the rotating rod 703 penetrates through the outer protective cylinder 701 to enter the inner part of the fixed handle 1, the lower end of the rotating rod 703 is rotatably connected with the rotating shaft seat 12 connected to the lower part of the inner part of the fixed handle 1, and the upper end of the rotating rod 703 extends out of the outer protective cylinder 701 and is connected with the adjusting button 702; the rotating rod 703 is fixedly connected with two traction wire rotating wheels 11, and the tail ends of the traction wires are wound on the traction wire rotating wheels 11;

the side surface of the adjusting button 702 is provided with an anti-skid texture structure; 110 degrees and 90 degrees are marked on the disc surface of the outer protective cylinder 701, two arrows are marked on the disc surface of the adjusting button 702 corresponding to the 110 degrees and 90 degrees and a plus sign is marked corresponding to the arrow; under the normal state, the adjusting button 702 is rotated in the direction indicated by the arrow mark on the adjusting button 702, so that the rotating rod 703 drives the traction wire rotating wheel 11 to rotate anticlockwise, the traction wire 9 wound on the traction wire rotating wheel 11 is released at the moment, and the included angle between the bending part 501 of the binding clip and the binding clip main body is gradually increased under the action of the nickel-titanium alloy elastic sheet 17 until the nickel-titanium alloy elastic sheet 17 is completely extended, and the included angle between two parts of the binding clip 5 is 110 degrees at the moment; when the angle of 110 degrees cannot meet the requirement of angle adjustment in operation, the adjustment button 702 is rotated in the direction indicated by the arrow on the adjustment button 702, and the traction wire 9 starts to be recovered, so that the traction wire 9 drives the bending part 501 of the binding clip to be close to the main part of the binding clip, and the included angle between the two parts is gradually reduced;

the clamping surfaces of the bending part 501 of the binding clip and the main body part are provided with anti-slip groove structures;

the operating rod 4 is internally and vertically connected with a pulley 18 in an up-down symmetrical manner at the position close to the opening at the head end; the tail end of the traction wire 9 is led out from the tail end of the binding clip 5, and finally reaches the traction wire rotating wheel 11 in the operating rod 4 after being wound on the pulley 18, and the pulley 18 can separate the path of the traction wire 9 to avoid winding with an internal structure; the friction of the traction wire 9 can be reduced, and the control is flexible.

A use method of the angle-adjustable separation clamp comprises the following steps:

1. under the normal state, the adjusting button is rotated in the direction indicated by the arrow mark on the adjusting button, so that the rotating rod drives the traction wire rotating wheel to rotate anticlockwise, the traction wire wound on the traction wire rotating wheel is released at the moment, the included angle between the bending part of the forceps head and the forceps head main body is gradually increased under the action of the nickel-titanium alloy elastic sheet until the nickel-titanium alloy elastic sheet is completely extended, and the included angle between the two parts of the forceps head is 110 degrees at the moment;

2. the sterilized separating forceps enters the abdominal cavity through the laparoscope stabbing card and starts to operate;

3. when the angle of 110 degrees cannot meet the requirement of angle adjustment in operation, the adjusting button is rotated in a direction indicated by an arrow on the adjusting button, the traction wire starts to be recovered, so that the traction wire drives the bending part of the binding clip to be close to the main part of the binding clip, and the included angle between the two parts is gradually reduced;

4. under the observation of the laparoscope, when the adjusting button is rotated to adjust the included angle of the two parts of the forceps head to a proper angle, the adjusting button is stopped rotating;

5. the movable handle is pressed towards the direction close to the fixed handle, at the moment, a push rod buckling groove at the head end of the movable handle pushes the push rod forwards, and the push rod drives a driving mechanism formed by hinging one to four supporting rods, so that the two tong heads are separated, and the separation operation is realized;

6. the movable handle is loosened, and the movable handle automatically resets under the action of the elastic strip arch, so that the two forceps heads are automatically folded, and the clamping operation can be carried out.

In conclusion, the device changes the traditional separation forceps at present and has a structure that the angle of the forceps head is fixed and cannot be adjusted, the separation forceps used under the laparoscope can control the angle change of the forceps head part in vitro, the angle of the forceps head part is adjusted according to the tissue condition in the operation process so that the separation forceps perfectly adapt to tissues at narrow and small positions and the angle is drilled, the tissue or organ of a patient is prevented from being damaged due to the fact that a doctor completely adapts to wrist strength to control the adjustment of the separation forceps, the operation process of the doctor is easier, and the operation is more accurate; the use is simple and convenient, the angle is flexibly adjusted through the matching of the traction wire and the nickel-titanium alloy elastic sheet, and the laparoscope operation has excellent application value.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," 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 do not necessarily 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.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. An angularly adjustable right angle breakout tongs, comprising: the device comprises a fixed handle, a movable handle, a detachable connecting part, an operating rod, a binding clip, an elastic strip bow, an angle adjusting part, a push rod, a traction wire, a push rod buckle groove, a traction wire rotating wheel, a rotating shaft seat, a support rod, two support rods, three support rods, four support rods, a nickel-titanium alloy elastic sheet, a pulley and a hinge plate rod;

the head end of the fixed handle is detachably connected with the tail end of the operating rod through a detachable connecting part; the head end of the movable handle is hinged on the fixed handle; an elastic strip bow is connected between the fixed handle and the movable handle; the upper part outside the fixed handle is connected with an angle adjusting control part; a push rod is movably arranged in the operating rod, the detachable connecting part and the fixed handle, and the tail end of the push rod is movably hinged in a push rod buckle groove connected with the upper end of the movable handle; the head end of the push rod is hinged with the tail ends of the first support rod and the second support rod in an up-down symmetrical manner, the head ends of the first support rod and the second support rod are hinged with the tail ends of the third support rod and the fourth support rod, and the positions of the head ends of the three support rods and the fourth support rods, which are close to the head ends, are respectively connected with a tong head after being hinged in a crossed manner; the forceps head is divided into two hinged parts, and a nickel-titanium alloy elastic sheet is connected between the two parts; the head ends of the two traction wires are respectively connected with the head ends of the two binding clip heads, the tail ends of the two traction wires are led out from the tail ends of the binding clip heads after passing through the interior of the binding clip heads, and the two traction wires extend to the fixed handle in the operating rod and are wound on the traction wire rotating wheel; the pull wire rotating wheel is fixedly connected with the angle adjusting part.

2. The right angle separable forceps with adjustable angle as claimed in claim 1, wherein the forceps head is divided into a bending portion and a main portion, the bending portion is hinged to the main portion, and the bending portion is one third of the length of the main portion; a nickel-titanium alloy elastic sheet is connected between the bending part of the forceps head and the side surface of the main body part, and when the nickel-titanium alloy elastic sheet is completely stretched, the included angle between the bending part of the forceps head and the main body part is 110 degrees.

3. The right-angle adjustable separating pliers according to claim 2, wherein the bending portion of the pliers head and the holding surface of the main body have anti-slip grooves.

4. The right-angle adjustable separating forceps according to claim 1, wherein the angle adjusting part is composed of an outer casing, an adjusting knob and a rotating rod; the outer protection cylinder is fixedly connected to the upper part of the outer part of the fixed handle, the rotating rod penetrates through the outer protection cylinder to enter the inner part of the fixed handle, the lower end of the rotating rod is rotatably connected with a rotating shaft seat connected to the lower part of the inner part of the fixed handle, and the upper end of the rotating rod extends out of the outer protection cylinder and is connected with the adjusting button; two traction wire rotating wheels are fixedly connected to the rotating rod, and the tail end of the traction wire is wound on the traction wire rotating wheels.

5. The right angle adjustable release clamp according to claim 4, wherein the adjusting knob has an anti-slip thread structure on the side; 110 degrees and 90 degrees are marked on the circular disc surface of the outer protective cylinder, two arrows are marked on the circular disc surface of the adjusting button corresponding to the 110 degrees and 90 degrees and a plus sign is marked corresponding to the arrow.

6. The right-angle adjustable separating pliers as claimed in claim 1, wherein the operating rod is connected to the upper and lower ends of the hinged plate rod inside the opening near the head end, and the three-bar and four-bar rods are connected to the pliers head by crossing and hinging at the hinged plate in the middle of the hinged plate rod near the head end.

7. The right angle adjustable release clamp according to claim 1, wherein the operating rod is connected with a pulley inside the opening near the head end; the tail end of the traction wire is led out from the tail end of the tong head, is wound on the pulley and finally reaches the traction wire rotating wheel in the operating rod.

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