CN113456193A - Puncture-free cannula micro-needle sleeve puller for laparoscope - Google Patents

Puncture-free cannula micro-needle sleeve puller for laparoscope Download PDF

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Publication number
CN113456193A
CN113456193A CN202110957993.1A CN202110957993A CN113456193A CN 113456193 A CN113456193 A CN 113456193A CN 202110957993 A CN202110957993 A CN 202110957993A CN 113456193 A CN113456193 A CN 113456193A
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China
Prior art keywords
puncture
handle
inner cylinder
clamping
outer cylinder
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CN202110957993.1A
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Chinese (zh)
Inventor
耿金宏
袁金凤
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Shanghai Jinshan Tinglin Hospital
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Shanghai Jinshan Tinglin Hospital
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Priority to CN202110957993.1A priority Critical patent/CN113456193A/en
Publication of CN113456193A publication Critical patent/CN113456193A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/361—Image-producing devices, e.g. surgical cameras
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B2017/3454—Details of tips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0801—Prevention of accidental cutting or pricking
    • A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Gynecology & Obstetrics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses a puncture-free sleeve micro-needle retractor for a laparoscope, which comprises a thread end, a retaining ball, a thread ring, an inner cylinder, an outer cylinder, a pull thread, a handle, a rotary disc, a fixed handle, a clamping protrusion, a movable handle, a rear spring clamping bead, a front spring clamping bead, a clamping groove and a clamping recess, wherein the thread end is provided with a thread hole; this a peritoneoscope is with exempting from puncture sleeve pipe microtube needle ware, adopt the type of this invention under the peritoneoscope, when meetting needs internal organs tractive operation, use the urceolus that has the puncture inclined plane, after direct skin puncture abdominal cavity, use the inner tube wire loop cover of this apparatus to prick the internal organs, can be convenient, nimble, each angle pull the internal organs, the direction of adjustment, after the operation, take out this apparatus, the urceolus puncture tunnel is small, need not sew up, the tissue wound is little, wound healing is fast, the scar is small. Through clinical use, the surgical instrument is quick and convenient to use, has small wound, and is particularly suitable for assisting the pullout of the visceral organs under the laparoscope.

Description

Puncture-free cannula micro-needle sleeve puller for laparoscope
Technical Field
The invention relates to the technical field of laparoscope application, in particular to a puncture-free sleeve micro-needle retractor for a laparoscope.
Background
The development of modern medicine, minimally invasive surgery has been the goal and development direction jointly pursued by modern medicine, when existing celioscope cholecystectomy and celioscope appendectomy are operated, a three-hole method is commonly used, namely three puncture cannulas are placed on the abdomen of a patient, then surgical instruments (such as traction forceps, electric knife, ultrasonic knife, scissors and camera lens for laparoscope) enter the abdominal cavity of the patient through the puncture cannulas to perform cholecystectomy or appendectomy operation, one cannula of the three puncture cannulas is used for placing the camera lens to perform intra-abdominal observation, the other cannula is used as a main operation hole to place main surgical operation instruments, and the third is used as an auxiliary operation hole to place the traction surgical instruments to assist in traction appendix or gallbladder to perform operation; the auxiliary operation hole is a puncture cannula with the diameter of 5mm, a surgical instrument is placed into the puncture cannula, the surgical instrument is used for assisting the surgical operation, the instrument enters the abdominal cavity of a patient for tissue traction by being placed into the cannula hole, the cannula hole with the diameter of 5mm is left in the abdominal wall of the patient after the operation, the puncture hole needs to be sutured after the operation due to the fact that the skin incision of the patient is large, and even after a small part of patients are subjected to the operation, the hernia of the puncture hole can occur; meanwhile, during single-port laparoscopic cholecystectomy or single-port laparoscopic appendectomy, the common problem of the single-port operation, namely the chopstick effect, is often encountered in the operation, when all surgical instruments are operated under the same puncture hole, mutual interference and 'racking' occur, so that the operation is difficult, or after the operation area bleeds, the operation is difficult, a 5mm puncture hole is forced to be added, a pulled surgical instrument is added, the traction of a gall bladder or appendix is carried out, the operation is assisted, the puncture hole not only increases the wound of the abdominal wall of a patient, but also increases the use cost of a puncture cannula, many surgeons want, and under the condition, no instrument exists, so that the surgical instrument can not only reduce the damage to the patient when the visceral organs of the patient are pulled, but also is convenient for the use of the doctor and is a cosmetic surgical instrument, and becomes a surgical instrument for the surgeon during the operation, an objective is pursued.
Contents of the invention
The invention aims to provide a puncture-free sleeve micro-needle retractor for a laparoscope, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a puncture-free sleeve micro-needle puller for a laparoscope comprises a thread head, a retaining ball, a thread ring, an inner cylinder, an outer cylinder, a pull thread, a handle, a turntable, a fixed handle, a clamping protrusion, a movable handle, a rear spring clamping bead, a front spring clamping bead, a clamping groove and a clamping recess; the method is characterized in that: the front of the blocking ball is connected with the wire head, and the rear of the blocking ball is connected with the wire ring; the wire ring and the pull wire penetrate through the inner cylinder and then are connected with the movable handle; one side of the rear part of the inner cylinder is connected with the handle, and the other side of the rear part of the inner cylinder is provided with a clamping groove; the front spring clamping bead and the rear spring clamping bead partially protrude into the outer cylinder under the action of the elastic force of the springs; the fixed handle is fixedly connected with the outer cylinder wall through a turntable; the movable handle is axially and movably connected with the rotary table; the clamping convex on the movable handle can be clamped with the clamping concave on the rotary table.
Furthermore, the diameter of the blocking ball is larger than the diameter of the inner cylinder and smaller than the diameter of the outer cylinder, and a thread head convenient to pull is arranged in front of the blocking ball.
Furthermore, the wire ring is a double-strand closed wire, the front end of the wire ring is connected with the blocking ball, and the rear end of the wire ring is connected with the movable handle through a single-strand stay wire.
Furthermore, the inner cylinder made of metal is positioned in the outer cylinder made of metal, the diameter of the front end of the outer cylinder is 1.7mm, and the inner cylinder and the outer cylinder at the rear end are enlarged and thickened for facilitating puncture.
Furthermore, the outer cylinder wall with the enlarged and thickened rear part is provided with a slot which can enable the handle to move back and forth, and the inner cylinder connected with the handle is controlled to move back and forth through the back and forth movement of the handle.
Furthermore, when the clamping groove on the inner cylinder at the enlarged and thickened end is clamped and connected with the clamping bead of the front spring, the inner cylinder protrudes out of the inclined plane in front of the outer cylinder; when the clamping groove on the inner cylinder is clamped with the clamping bead of the rear spring, the inner cylinder is contracted in the inclined surface of the outer cylinder.
Furthermore, the fixed handle is a fixed handle which is fixedly connected with the outer cylinder wall through a turntable.
Furthermore, the movable handle is connected with the central shaft of the turntable in a linear rotation manner and can move back and forth; when the movable handle moves back and forth, the pull wire is driven to move back and forth.
Furthermore, the clamping convex on the movable handle can be randomly clamped with the clamping concave on the rotary table to select the fixed phase, so as to limit the movement of the movable handle.
Compared with the prior art, the puncture-free sleeve micro-needle retractor for the laparoscope can completely replace the task of the surgical instrument for drawing which can be completed only by the aid of the existing puncture sleeve, the diameter of the outer barrel of the device is 1.7mm, the device has small damage to the abdominal wall of a patient, the postoperative puncture wound does not need suture treatment, and a puncture scar is hardly left after the wound is healed. When the gallbladder or appendix traction operation in the abdominal cavity of a patient is required to be performed by performing the laparoscopic gallbladder or appendix appendectomy with the adoption of the invention, under the monitoring of a laparoscope camera, a needed puncture point is selected on the abdominal wall of a patient, the puncture inclined plane of the outer cylinder of the device is used, can be directly punctured on the abdominal wall of a patient, the handle is pushed forwards after the puncture is successful, the inner cylinder protrudes out of the outer cylinder puncture inclined plane, the thread ring is pulled out through the thread head in the abdominal cavity, the tissue needing to be pulled is sheathed by the thread ring, after the thread ring is sheathed by the tissue, the direction of the tissue can be adjusted in any direction, the operation is matched, after the operation is finished, the snared tissue is loosened, the snare is taken out after the wire is tied to the inner cylinder, the scar left on the abdominal wall of the patient by the snare is only 1.7mm, no suture is needed, the injury to the patient is small, and the scar of the surgical instrument after use can hardly be seen after several days. The device can be directly used without the assistance of any puncture cannula, the tissue wound is small, the pain of a patient is less, the wound is quickly healed, and no operation scar is left. Through clinical use, the surgical instrument has the advantages of small tissue wound, good space exposure, convenient and flexible operation, and capability of saving a large amount of operation time and avoiding the pain of postoperative patients due to obvious puncture points.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the reference symbols: the wire end 1, the stop ball 2, the wire ring 3, the inner cylinder 4, the outer cylinder 5, the pull wire 6, the handle 7, the rotary disc 8, the fixed handle 9, the clamping protrusion 10, the movable handle 11, the rear spring clamping bead 12, the front spring clamping bead 13, the clamping groove 14 and the clamping groove 15.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the invention without making any creative effort, fall within the protection scope of the invention.
Referring to fig. 1, the present invention provides a technical solution:
a puncture-free sleeve micro needle sleeve puller for a laparoscope comprises a thread end 1, a retaining ball 2, a thread ring 3, an inner cylinder 4, an outer cylinder 5, a pull wire 6, a handle 7, a rotary disc 8, a fixed handle 9, a clamping protrusion 10, a movable handle 11, a rear spring clamping bead 12, a front spring clamping bead 13, a clamping groove 14 and a clamping recess 15; the method is characterized in that: the front of the blocking ball 2 is connected with the thread head 1, and the rear of the blocking ball 2 is connected with the thread ring 3; the wire ring 3 and the pull wire 6 penetrate through the inner barrel 4 and then are connected with the movable handle 11; one side of the rear part of the inner cylinder 4 is connected with the handle 7, and the other side is provided with a clamping groove 14; the front spring clamping bead 13 and the rear spring clamping bead 12 partially protrude into the outer cylinder 5 under the action of the spring elasticity; the fixed handle 9 is fixedly connected with the wall of the outer cylinder 5 through a turntable 8; the movable handle 11 is axially and movably connected with the turntable 8; the clamping protrusion 10 on the movable handle 11 can be clamped with the clamping groove 15 on the rotary disc 8.
Furthermore, the diameter of the blocking ball 2 is larger than the diameter of the inner cylinder 4 and smaller than the diameter of the outer cylinder 5, and a thread end 1 convenient to pull is arranged in front of the blocking ball 2.
Further, the wire ring 3 is a double-strand closed wire, the front end of the wire ring is connected with the blocking ball 2, and the rear end of the wire ring is connected with the movable handle 11 through a single-strand stay wire 6.
Further, the inner cylinder 4 made of metal is positioned in the outer cylinder 5 made of metal, the diameter of the front end of the outer cylinder 5 is 1.7mm, and the inner cylinder 4 and the outer cylinder 5 at the rear end are enlarged and thickened for facilitating puncture.
Furthermore, the wall of the outer cylinder 5 which is enlarged and thickened at the rear part is provided with a slot which can enable the handle 7 to move back and forth, and the inner cylinder 4 connected with the handle 7 is controlled to move back and forth by the back and forth movement of the handle 7.
Further, when the clamping groove 14 on the inner cylinder 4 with the enlarged and thickened end is clamped with the front spring clamping bead 13, the inner cylinder 4 protrudes out of the front inclined plane of the outer cylinder 5; when the clamping groove 14 on the inner cylinder 4 is clamped with the rear spring clamping bead 12, the inner cylinder 4 is contracted in the inclined surface of the outer cylinder 5.
Further, the fixed handle 9 is a fixed handle which is fixedly connected with the wall of the outer cylinder 5 through a rotating disc 8.
Further, the movable handle 11 is a movable handle 11 which is connected with the central shaft of the rotating disc 8 in a linear rotation manner and can move back and forth; when the movable handle 11 moves back and forth, the pull wire 6 is driven to move back and forth.
Furthermore, the clamping protrusion 10 on the movable handle can be optionally clamped and connected with the clamping recess 15 on the rotary disc 8 in a fixed phase mode, and therefore the movement of the movable handle 11 is limited.
The specific connecting structure of the instrument of the invention is as follows: when the instrument is designed, the thread end 1 is a small soft thread end, so that the instrument is convenient to pull in the abdominal cavity, and the thread ring 3 is further pulled out; the front of the baffle ball 2 is fixed with a thread end 1, the rear is fixed with a thread ring 3, the diameter of the baffle ball 2 is larger than that of the inner cylinder 4, the baffle ball is prevented from entering the inner cylinder 4 when the device is used, the diameter of the baffle ball 2 is smaller than that of the outer cylinder 5, and the baffle ball can enter the outer cylinder 5 when the abdomen is punctured, so that the puncture inclined plane of the outer cylinder 5 can conveniently puncture the abdominal wall of a patient; the wire ring 3 is a bifilar annular traction wire, the front end is connected with the retaining bead 2, the rear part is connected with a single-stranded thicker pull wire 6, after the wire ring 3 is pulled out of the inner cylinder 4, the two wire rings 3 can be sheathed with tissues, the front part of the pull wire 6 is connected with the wire ring 3, the rear part is connected with the movable handle 11, and the movable handle 11 moves back and forth to drive the pull wire 6 to move back and forth; an inner barrel 4 structure is arranged in the outer barrel 5, an inclined plane convenient for abdominal wall puncture is arranged in front of the outer barrel 5, the diameter of the puncture barrel in front of the outer barrel 6 is 1.7mm, the rear parts of the outer barrel 5 and the inner barrel 4 are thick, a slot is arranged below a handle 7 of the outer barrel 5, the handle 7 is convenient to be fixedly connected with the inner barrel 4 through the slot on the outer barrel 5, the handle 7 is arranged on the outer barrel 5 and fixedly connected with the inner barrel 4 after penetrating through the slot on the outer barrel 5, and the handle 7 can move back and forth in the outer barrel 5; the other side of the handle 7 on the inner cylinder 4 is provided with a groove-shaped structure of a clamping groove 14, the outer cylinder 5 is provided with a front spring clamping bead 13 and a rear spring clamping bead 12, under the elastic force action of a spring, the front spring clamping bead 13 and the rear spring clamping bead 12 pass through a small opening structure on the outer cylinder, the front spring clamping bead 13 and the rear spring clamping bead 12 partially protrude into the outer cylinder 5, the front spring clamping bead 13 and the rear spring clamping bead 12 are clamped with the clamping groove 14 between the outer cylinder 5 and the inner cylinder 4 to limit the front and rear movement of the inner cylinder 4, when the clamping groove 14 is clamped by the front spring clamping bead 13, the inner cylinder 4 protrudes out of a puncture inclined plane of the outer cylinder 5, and when the clamping groove 14 is clamped by the rear spring clamping bead 12, the thread head 1, the blocking ball 2 and the inner cylinder 4 can be completely retracted into the puncture inclined plane of the outer cylinder 5; the one end of carousel 8 is fixed continuous with urceolus 5, and the other end of carousel 8 links to each other with fixed handle 9, and the design has more recess sample card concave 15 on the carousel 8, and the design of the handle wall end on activity handle 11 has card arch 10, and activity handle 11 can be along the rotatory activity in axle center of carousel 8, drives the front and back activity of acting as go-between 6, also can block card arch 10 on the activity handle 11 and the card concave 15 on the carousel 8 simultaneously, and then the front and back activity of restriction activity handle 11.
This puncture-free sleeve pipe micropin pullover ware for peritoneoscope benefit does: the instrument can be used for conveniently, quickly and minimally invasive drawing the gallbladder or appendix to any direction to clearly expose the triangular area of the gallbladder during cholecystectomy or appendectomy under a laparoscope, so that the operation of the gallbladder under the laparoscope or the operation of a single-hole gallbladder and appendix under the laparoscope are facilitated, and the operation scar left by the operation instrument is small, the injury to a patient is small, and the beauty effect of the patient is good. The puncture-free sleeve micro needle retractor for the laparoscope can be used for directly puncturing the abdominal wall at the bottom of a gallbladder or at the appendiceal position of the abdominal wall during the laparoscopic cholecystectomy or the laparoscopic appendectomy by using the superfine surgical instrument, the gallbladder or the appendix is conveniently and quickly sleeved and tied by the thread ring 8 carried by the surgical instrument, after the thread ring 3 is tightened, the gallbladder is drawn to the liver direction, the gallbladder and the appendix are conveniently sleeved and tied by the surgical instrument, the inner cylinder 4 and the outer cylinder 5 of the surgical instrument are both made of metal materials, the directions and angles for drawing the gallbladder and the appendix can be conveniently adjusted in the abdominal cavity of a patient, the triangular area of the gallbladder and the lacing film of the appendix are exposed, the surgical operation of the laparoscopic cholecystectomy or the appendectomy under the single-hole laparoscope is assisted, the half-time effect is achieved, and after the appendix or the operation is finished, the thread ring 3 of the gallbladder or the appendix is taken down, after the thread end 1, the stop ball 2, the thread ring 3 and the inner barrel 4 are retracted into the outer barrel 5, the surgical traction instrument is pulled out from the abdominal wall of a patient, only 1.7mm puncture micropores are formed in the abdominal wall of the patient, the injury to the abdominal wall of the patient is extremely small, and through clinical use, the surgical instrument has the advantages of small tissue wound, good space exposure, convenient and flexible surgical operation, capability of saving a large amount of surgical time and no obvious pain feeling of puncture points of postoperative patients.
The specific use method of the puncture-free sleeve micro needle retractor for the laparoscope comprises the following steps: when cholecystectomy or laparoscopic appendectomy is performed under a laparoscope (single-hole or multi-hole), the surgical instrument can conveniently perform multi-angle, multi-direction and quick gallbladder or appendix traction in the operation process, can well assist and realize the operation process, and the specific use method is as follows: when cholecystectomy or celioscope appendectomy is carried out under a laparoscope, after a navel operation window is established, under the monitoring of a laparoscope camera, firstly, a skin point needing to be punctured is selected according to the position of a gall bladder or appendix of a patient and the pulling direction, when the skin puncture is directly carried out by using the instrument, firstly, a handle 7 on the instrument is moved backwards, a movable handle 11 is pulled backwards, a clamping convex 10 and a clamping concave 15 are used for fixing the movable handle 11, a clamping groove 14 on an inner cylinder 4 is clamped on a rear spring clamping bead 12, at the moment, a thread head 1, a blocking ball 2, a thread ring 3 and the inner cylinder 4 are all retracted in a puncture inclined plane of the outer cylinder 5, when the instrument is used, the abdominal wall puncture of the patient is directly carried out under the monitoring of a laparoscope monitor according to the operation requirement, the puncture inclined plane of the outer cylinder 5 can conveniently carry out the puncture operation on the abdominal wall of the patient, and after the puncture is successful, the abdominal cavity of the patient is carried out, the handle 7 is pushed forwards to enable the inner cylinder 4 to protrude out of the puncture inclined plane of the outer cylinder 5, the puncture inclined plane of the outer cylinder 5 is prevented from damaging tissues in the abdominal cavity of a patient, meanwhile, the clamping concave 15 is released to clamp the occlusion of the clamping convex 10, the movable handle 11 is pushed forwards, other minimally invasive surgical instruments are used, the wire loop 1 is pulled forwards in the laparoscope, the wire loop 3 is separated from the inner cylinder 4, the annular structure of the wire loop 3 is passed, after a gallbladder or appendix needing to be drawn is sheathed in the abdominal cavity of the patient, the movable handle 11 is pulled backwards, the wire loop 3 is firmly sheathed on the gallbladder or appendix in the abdominal cavity of the patient, in the operation, as the outer cylinder 5 and the inner cylinder 4 are made of metal materials, the drawing direction and the angle can be conveniently adjusted, after the operation is finished, the movable handle 11 is moved forwards to enable the wire loop 3 to be relaxed, the tissues in the wire loop 3 are released, the movable handle 11 is pulled backwards, and the wire loop 1 and the stop ball 2 are retracted into the outer cylinder again, directly pulling out the abdomen of the patient and finishing the operation. After the instrument is taken out, the puncture point of the instrument left at the puncture skin is only 1.7mm, and because the puncture point is small, the postoperative pain of a patient is slight, the puncture skin is less damaged, the wound is not needed to be sutured, the postoperative recovery is fast, the overall influence on the patient is small, and the instrument is convenient, flexible and safe to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A puncture-free sleeve micro-needle puller for a laparoscope comprises a thread head, a retaining ball, a thread ring, an inner cylinder, an outer cylinder, a pull thread, a handle, a turntable, a fixed handle, a clamping protrusion, a movable handle, a rear spring clamping bead, a front spring clamping bead, a clamping groove and a clamping recess; the method is characterized in that: the front of the blocking ball is connected with the wire head, and the rear of the blocking ball is connected with the wire ring; the wire ring and the pull wire penetrate through the inner cylinder and then are connected with the movable handle; one side of the rear part of the inner cylinder is connected with the handle, and the other side of the rear part of the inner cylinder is provided with a clamping groove; the front spring clamping bead and the rear spring clamping bead partially protrude into the outer cylinder under the action of the elastic force of the springs; the fixed handle is fixedly connected with the outer cylinder wall through a turntable; the movable handle is axially and movably connected with the rotary table; the clamping convex on the movable handle can be clamped with the clamping concave on the rotary table.
2. The micro needle puller of puncture-free cannula for laparoscopy as claimed in claim 1, wherein: the diameter of the blocking ball is larger than the diameter of the inner cylinder and smaller than the diameter of the outer cylinder, and a thread head convenient to pull is arranged in front of the blocking ball.
3. The micro needle puller of puncture-free cannula for laparoscopy as claimed in claim 1, wherein: the wire ring is a double-strand closed wire, the front end of the wire ring is connected with the blocking ball, and the rear end of the wire ring is connected with the movable handle through a single-stranded pull wire.
4. The micro needle puller of puncture-free cannula for laparoscopy as claimed in claim 1, wherein: the inner cylinder of metal material is located the urceolus of metal material, and urceolus front end diameter is 1.7mm, and for the inclined plane of convenient puncture, rear end inner cylinder and urceolus all increase and become thick.
5. The micro needle puller of puncture-free cannula for laparoscopy as claimed in claim 1, wherein: the back enlarged and thickened outer cylinder wall is provided with a slot which can enable the handle to move back and forth, and the inner cylinder connected with the handle is controlled to move back and forth through the back and forth movement of the handle.
6. The micro needle puller of puncture-free cannula for laparoscopy as claimed in claim 1, wherein: when the clamping groove on the inner cylinder at the enlarged and thickened end is clamped with the clamping bead of the front spring, the inner cylinder protrudes out of the inclined plane in front of the outer cylinder; when the clamping groove on the inner cylinder is clamped with the clamping bead of the rear spring, the inner cylinder is contracted in the inclined surface of the outer cylinder.
7. The micro needle puller of puncture-free cannula for laparoscopy as claimed in claim 1, wherein: the fixed handle is a fixed handle which is fixedly connected with the outer cylinder wall through a turntable.
8. The micro needle puller of puncture-free cannula for laparoscopy as claimed in claim 1, wherein: the movable handle is connected with the central shaft of the turntable in a linear rotating manner and can move back and forth; when the movable handle moves back and forth, the pull wire is driven to move back and forth.
9. The micro needle puller of puncture-free cannula for laparoscopy as claimed in claim 1, wherein: the clamping convex on the movable handle can be randomly clamped with the clamping concave on the rotary table to select a fixed phase, so that the movement of the movable handle is limited.
CN202110957993.1A 2021-08-20 2021-08-20 Puncture-free cannula micro-needle sleeve puller for laparoscope Pending CN113456193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110957993.1A CN113456193A (en) 2021-08-20 2021-08-20 Puncture-free cannula micro-needle sleeve puller for laparoscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110957993.1A CN113456193A (en) 2021-08-20 2021-08-20 Puncture-free cannula micro-needle sleeve puller for laparoscope

Publications (1)

Publication Number Publication Date
CN113456193A true CN113456193A (en) 2021-10-01

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Application Number Title Priority Date Filing Date
CN202110957993.1A Pending CN113456193A (en) 2021-08-20 2021-08-20 Puncture-free cannula micro-needle sleeve puller for laparoscope

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CN (1) CN113456193A (en)

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