CN110478010B - Peritoneoscope puncture instrument protection device - Google Patents

Peritoneoscope puncture instrument protection device Download PDF

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Publication number
CN110478010B
CN110478010B CN201910898233.0A CN201910898233A CN110478010B CN 110478010 B CN110478010 B CN 110478010B CN 201910898233 A CN201910898233 A CN 201910898233A CN 110478010 B CN110478010 B CN 110478010B
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China
Prior art keywords
puncture
sleeve
handle
protection device
puncture needle
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CN201910898233.0A
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CN110478010A (en
Inventor
王春华
李莹
李志伟
李高
张玲
瞿淙
查志远
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Changzhou Ankang Medical Equipment Co ltd
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Changzhou Ankang Medical Equipment Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3462Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, 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
    • A61B90/08Accessories or related features not otherwise provided for
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3462Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • A61B2017/3464Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals with means acting on inner surface of valve or seal for expanding or protecting, e.g. inner pivoting fingers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, 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
    • A61B90/08Accessories or related features not otherwise provided for
    • A61B2090/0801Prevention of accidental cutting or pricking
    • A61B2090/08021Prevention of accidental cutting or pricking of the patient or his organs

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

Abstract

The invention discloses a laparoscope puncture instrument protection device, which relates to the technical field of laparoscope puncture instruments and comprises a handle, wherein one end of the handle is connected with a sealing cap, the front surface of the handle is provided with an air blocking valve, one side of the top of the handle is connected with an air injection valve, one end of the handle is connected with a sleeve, the outer wall of the sleeve is provided with a first vent hole, the inner side of one end of the sleeve is provided with a second vent hole, one side of the sleeve is movably connected with a puncture mechanism, the bottom of the sleeve is provided with a protection mechanism, and the inner side of the puncture mechanism comprises a puncture needle sheet. According to the invention, through the effect of the traction rope in binding connection with the finger ring, when people puncture through the puncture instrument, when skin puncture in a puncture area is finished, fingers can be manually placed on the inner side of the finger ring in advance to carry out buckling operation, so that the traction rope pulls the puncture needle sheet to move downwards, and the puncture needle sheet is prevented from passing through skin tissues and scratching internal organs around the skin tissues.

Description

Peritoneoscope puncture instrument protection device
Technical Field
The invention relates to the technical field of laparoscopic puncture instruments, in particular to a protection device for a laparoscopic puncture instrument.
Background
The laparoscope puncture outfit is disposable, is suitable for gas delivery in minimally invasive surgery and the establishment of a channel for an endoscope and surgical instruments to enter and exit a body cavity from the outside, is suitable for various laparoscopic surgeries, including surgical minimally invasive surgery, gynecological minimally invasive surgery, thoracic surgery, urinary surgery and other laparoscopic surgeries, and can be matched with various laparoscopic television systems at home and abroad.
The existing laparoscope puncture instrument does not have a protection mechanism to protect the puncture needle in the use process, so that the puncture needle penetrates through skin tissues, the internal organs around the skin tissues are easily scratched, the use performance of the puncture needle is affected, the setting of the vent hole is unavailable, the resistance of the sleeve in the puncture process of the inner side of the skin is reduced, and the puncture effect of the puncture instrument is poor.
Disclosure of Invention
The invention aims to solve the problems that the puncture needle is easy to scratch internal organs around skin tissues and influence the use performance of the puncture needle due to the fact that the puncture needle does not have a protection mechanism to protect the puncture needle when the existing laparoscopic puncture instrument is used, and the puncture needle cannot pass through the skin tissues due to the arrangement of a vent hole, the resistance of a sleeve when the sleeve is inserted into the inner side of the skin is reduced, and the puncture effect of the puncture instrument is poor.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a peritoneoscope puncture apparatus protection device, includes the handle, the one end of handle is connected with sealed cap, and the front of handle installs the choke valve, top one side of handle is connected with the gas injection valve, and the one end of handle is connected with the sleeve pipe, first air vent has been seted up to the sheathed tube outer wall, and the sheathed tube one end inboard has seted up the second air vent, sheathed tube one side swing joint has puncture mechanism, and the sheathed tube bottom installs protection mechanism, puncture mechanism's inboard is including the puncture needle piece, the spout has been seted up to the sheathed tube inner wall, and is sliding connection between spout and the puncture needle piece, sheathed tube internally mounted has the camera.
Preferably, the choke valve is positioned at the upper half part of the front surface of the handle, and the caliber of the choke valve is smaller than that of the gas injection valve.
Preferably, the air injection valve and the handle are vertically distributed, and the handle is in threaded connection with the sealing cap.
Preferably, the transverse axis of the sleeve is level to that of the handle, and the sleeve and the puncture needle sheet are distributed in an inclined manner.
Preferably, the puncture needle sheet and the sleeve form a sliding structure through the sliding groove, and the puncture needle sheet and the sleeve form an elastic structure through the spring.
Preferably, the inboard of protection mechanism is including fixed pipe, and fixed pipe is connected with sheathed tube outer wall, the other end of fixed pipe is connected with the lantern ring, and the internally mounted of lantern ring has the ring, the outer wall of ring is connected with the haulage rope, and the other end and the pjncture needle piece of haulage rope are connected.
Preferably, the finger rings form an elastic structure through springs and lantern rings, and five groups of the finger rings are arranged at equal intervals.
Preferably, the diameter of the traction rope is smaller than one fifth of the diameter of the inner side of the fixing tube, and the traction rope is in binding connection with the finger ring.
Preferably, the inner side of the first vent hole and the inner side of the second vent hole are in a communicated structure, and the first vent hole is in a central symmetry structure relative to the transverse axis of the sleeve.
Preferably, the second ventilation holes are uniformly distributed at the end part of the sleeve at equal intervals, and the diameter of the inner side of each second ventilation hole is 2 mm.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, through the effect of the traction rope in binding connection with the finger ring, when people puncture through the puncture instrument, when skin puncture in a puncture area is finished, fingers can be manually placed on the inner side of the finger ring in advance to carry out buckling operation, so that the traction rope pulls the puncture needle sheet to move downwards, and the puncture needle sheet is prevented from passing through skin tissues and scratching internal organs around the skin tissues.
2. According to the invention, under the action of the first vent hole and the second vent hole, which are of communicated structures on the inner sides, when the sleeve pipe is in cooperation with the puncture mechanism to puncture the inner side of the skin of a patient, the sleeve pipe is abutted against the outer side of the skin, resistance is generated between the sleeve pipe and the skin, and through the arrangement of the two groups of vent holes, external air flow is enabled to rush in, the resistance between the sleeve pipe and the skin is effectively reduced, so that the puncture instrument has an excellent effect in puncture work.
3. According to the puncture instrument, under the action of the air blocking valve with the caliber smaller than that of the air injection valve, the puncture instrument has good air blocking performance, meanwhile, through the cooperation effect of the air injection valve and the sealing cap, the puncture instrument has good sealing performance, and no leakage is generated under the pressure of 4 kPa.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the inner side structure of the sleeve of the present invention.
Illustration of the drawings:
1. a handle; 2. a sealing cap; 3. a choke valve; 4. an air injection valve; 5. a sleeve; 6. a puncture mechanism; 601. a puncture needle sheet; 603. a chute; 7. a protection mechanism; 701. a fixed tube; 702. a collar; 703. a ring; 704. a hauling rope; 8. a first vent hole; 9. a second vent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a laparoscopic puncture instrument protection device comprises a handle 1, a sealing cap 2, a choke valve 3, an air injection valve 4, a cannula 5, a puncture mechanism 6, a puncture needle sheet 601, a camera, a chute 603, a protection mechanism 7, a fixed tube 701, a lantern ring 702, a ring 703, a pull rope 704, a first vent 8 and a second vent 9, wherein one end of the handle 1 is connected with the sealing cap 2, the choke valve 3 is installed on the front surface of the handle 1, one side of the top of the handle 1 is connected with the air injection valve 4, one end of the handle 1 is connected with the cannula 5, the outer wall of the cannula 5 is provided with the first vent 8, the inner side of one end of the cannula 5 is provided with the second vent 9, one side of the cannula 5 is movably connected with the puncture mechanism 6, the bottom of the cannula 5 is provided with the protection mechanism 7, the inner side of the puncture mechanism 6 comprises the puncture needle sheet 601, the sliding groove 603 is connected with the puncture needle sheet 601 in a sliding manner, and a camera is arranged in the sleeve 5.
Furthermore, the air-blocking valve 3 is positioned at the upper half part of the front surface of the handle 1, and the caliber of the air-blocking valve 3 is smaller than that of the air-injecting valve 4, so that the puncture instrument has good air-blocking performance under the action of the air-blocking valve 3.
Furthermore, gas injection valve 4 and handle 1 are the vertical form and distribute between, and be threaded connection between handle 1 and the sealing cap 2, through gas injection valve 4 and the cooperation of sealing cap 2 for this puncture instrument possesses good sealing performance, and through 4kPa pressure, no leakage produces.
Furthermore, the transverse axis of the sleeve 5 is level with the transverse axis of the handle 1, the sleeve 5 and the puncture needle sheets 601 are distributed in an inclined manner, and the puncture needle sheets 601 arranged at equal intervals form a vertebral body under the action of a plurality of groups of puncture needle sheets 601, so that the puncture needle can puncture the skin of a patient, and the defect that the traditional sharp puncture needle head is not easy to control during puncture is overcome.
Further, the puncture needle sheet 601 forms a sliding structure with the cannula 5 through the sliding groove 603, the puncture needle sheet 601 forms an elastic structure with the cannula 5 through a spring, the puncture needle sheet 601 is pulled to the inner side of the cannula 5 through the pulling rope 704, and after the puncture work is completed, the puncture needle sheet 601 completes the reset work through the function of the deformation reset force of the spring.
Further, the inner side of the protection mechanism 7 comprises a fixing tube 701, the fixing tube 701 is connected with the outer wall of the sleeve 5, the other end of the fixing tube 701 is connected with a lantern ring 702, a finger ring 703 is installed inside the lantern ring 702, the outer wall of the finger ring 703 is connected with a pulling rope 704, and the other end of the pulling rope 704 is connected with the puncture needle sheet 601.
Furthermore, the ring 703 and the lantern ring 702 form an elastic structure through a spring, five groups of the ring 703 are equidistantly arranged, and when the ring 703 is in a non-working state, the ring is driven to complete the resetting work through the resetting force of the spring.
Furthermore, the diameter of the pulling rope 704 is smaller than one fifth of the diameter of the inner side of the fixing tube 701, the pulling rope 704 is in binding connection with the finger ring 703, and a finger is manually placed on the inner side of the finger ring 703 in advance to perform a buckling operation, so that the pulling rope 704 pulls the puncture needle sheet 601 to move downwards, and the puncture needle sheet is prevented from penetrating through skin tissues and scratching internal organs around the skin tissues.
Furthermore, the inner side of the first vent hole 8 and the inner side of the second vent hole 9 are in a communicated structure, the first vent hole 8 is in a central symmetry structure relative to the transverse axis of the sleeve 5, when the sleeve 5 is punctured on the inner side of the skin of a patient in cooperation with the puncturing mechanism 6, the sleeve 5 is abutted to the outer side of the skin, resistance is generated between the sleeve and the skin, and through the arrangement of the two groups of vent holes, external air flow is enabled to flow in, and the resistance between the two groups of vent holes is effectively reduced.
Furthermore, the second ventilation holes 9 are uniformly distributed at the end part of the sleeve 5 at equal intervals, the diameter of the inner side of each second ventilation hole 9 is 2mm, and under the action of the second ventilation holes 9 with the inner diameter of 2mm, the gap between the sleeve 5 and the skin is enlarged, so that the puncture resistance of the puncture instrument in the skin is effectively reduced.
The working principle is as follows: when the puncture needle device is used, firstly, the air injection valve 4 and the air blocking valve 3 are adjusted by a worker, the sealing cap 2 is screwed, the air tightness inside the puncture device is improved, then, the puncture needle piece 601 is punctured into a puncture area of a patient, when a camera shoots that the puncture needle piece 601 quickly penetrates through skin tissues, fingers are manually arranged on the inner side of the finger ring 703 in advance to be buckled, so that the traction rope 704 pulls the puncture needle piece 601 to move downwards to prevent the puncture needle piece 601 from penetrating through the skin tissues and scratching internal organs around the skin tissues, finally, when the finger ring 703 is in a non-working state, the finger ring is driven to complete reset work through the reset force of the spring, and meanwhile, the puncture needle piece 601 is pulled to the inner side of the sleeve 5 through the traction rope 704 and after the puncture work is completed, the puncture needle piece 601 completes reset work through the function of the deformation reset force of the spring.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. A protection device for a laparoscope puncture instrument comprises a handle (1) and is characterized in that one end of the handle (1) is connected with a sealing cap (2), a choke valve (3) is installed on the front face of the handle (1), one side of the top of the handle (1) is connected with an air injection valve (4), one end of the handle (1) is connected with a sleeve (5), a first vent hole (8) is formed in the outer wall of the sleeve (5), a second vent hole (9) is formed in the inner side of one end of the sleeve (5), one side of the sleeve (5) is movably connected with a puncture mechanism (6), a protection mechanism (7) is installed at the bottom of the sleeve (5), the inner side of the puncture mechanism (6) comprises a puncture needle sheet (601), a sliding groove (603) is formed in the inner wall of the sleeve (5), and the sliding connection is formed between the sliding groove (603) and the puncture needle, a camera is arranged in the sleeve (5);
the inner side of the protection mechanism (7) comprises a fixed pipe (701), the fixed pipe (701) is connected with the outer wall of the sleeve (5), the other end of the fixed pipe (701) is connected with a lantern ring (702), a finger ring (703) is installed inside the lantern ring (702), the outer wall of the finger ring (703) is connected with a traction rope (704), and the other end of the traction rope (704) is connected with the puncture needle sheet (601);
the inner side of the first vent hole (8) and the inner side of the second vent hole (9) are in a communicated structure, and the first vent hole (8) is in a centrosymmetric structure relative to the transverse axis of the sleeve (5).
2. The laparoscopic puncture instrument protection device according to claim 1, wherein the choke valve (3) is located one half way above the front surface of the handle (1), and the caliber of the choke valve (3) is smaller than that of the choke valve (4).
3. The protection device for the laparoscopic puncture instrument according to claim 1, wherein the air injection valve (4) is vertically distributed with the handle (1), and the handle (1) is in threaded connection with the sealing cap (2).
4. The protection device for the laparoscopic puncture instrument according to claim 1, wherein the lateral axis of the cannula (5) is the same as the lateral axis of the handle (1), and the cannula (5) and the puncture needle sheet (601) are distributed in an inclined manner.
5. The laparoscopic puncture instrument protection device according to claim 1, wherein the puncture needle blade (601) forms a sliding structure with the cannula (5) through the sliding groove (603), and the puncture needle blade (601) forms an elastic structure with the cannula (5) through a spring.
6. The laparoscopic puncture instrument protection device according to claim 1, wherein the finger rings (703) are elastically structured with the collar (702) by means of springs, and five groups of the finger rings (703) are equidistantly arranged.
7. The laparoscopic puncture instrument protection device according to claim 1, wherein the diameter of the pulling rope (704) is less than one fifth of the inside diameter of the fixing tube (701), and the pulling rope (704) is connected with the finger ring (703) in a binding manner.
8. The laparoscopic puncture instrument protection device according to claim 1, wherein the second ventilation holes (9) are equally spaced and distributed at the end of the cannula (5), and the inside diameter of the second ventilation holes (9) is 2 mm.
CN201910898233.0A 2019-09-23 2019-09-23 Peritoneoscope puncture instrument protection device Active CN110478010B (en)

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Application Number Priority Date Filing Date Title
CN201910898233.0A CN110478010B (en) 2019-09-23 2019-09-23 Peritoneoscope puncture instrument protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910898233.0A CN110478010B (en) 2019-09-23 2019-09-23 Peritoneoscope puncture instrument protection device

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CN110478010A CN110478010A (en) 2019-11-22
CN110478010B true CN110478010B (en) 2020-12-15

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202376191U (en) * 2011-11-01 2012-08-15 东莞微视医疗科技有限公司 Visual puncture outfit for disposable laparoscope
CN106166082A (en) * 2016-08-26 2016-11-30 任飞 From retraction perforator
CN105380703B (en) * 2015-12-16 2017-10-27 无锡市人民医院 Anti-gas-leak laparoscope is with taking an outpost of the tax office
CN108078596A (en) * 2017-12-29 2018-05-29 桐庐前沿医疗科技有限公司 A kind of puncture biopsy needle and application method
CN207561963U (en) * 2017-05-05 2018-07-03 常州安克医疗科技有限公司 The puncture outfit of laparoscopic surgery
CN108294812A (en) * 2018-03-12 2018-07-20 天津青松华药医药有限公司 A kind of laparoscope puncture outfit device
CN208610940U (en) * 2017-10-25 2019-03-19 赵咫龙 A kind of medical stomach surgery abdominal operation puncture outfit
CN208838099U (en) * 2017-12-01 2019-05-10 江苏新智源医学科技有限公司 A kind of gas-blocking valve structure of laparoscope puncture outfit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014162432A1 (en) * 2013-04-01 2014-10-09 テルモ株式会社 Medical tube and medical tube assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202376191U (en) * 2011-11-01 2012-08-15 东莞微视医疗科技有限公司 Visual puncture outfit for disposable laparoscope
CN105380703B (en) * 2015-12-16 2017-10-27 无锡市人民医院 Anti-gas-leak laparoscope is with taking an outpost of the tax office
CN106166082A (en) * 2016-08-26 2016-11-30 任飞 From retraction perforator
CN207561963U (en) * 2017-05-05 2018-07-03 常州安克医疗科技有限公司 The puncture outfit of laparoscopic surgery
CN208610940U (en) * 2017-10-25 2019-03-19 赵咫龙 A kind of medical stomach surgery abdominal operation puncture outfit
CN208838099U (en) * 2017-12-01 2019-05-10 江苏新智源医学科技有限公司 A kind of gas-blocking valve structure of laparoscope puncture outfit
CN108078596A (en) * 2017-12-29 2018-05-29 桐庐前沿医疗科技有限公司 A kind of puncture biopsy needle and application method
CN108294812A (en) * 2018-03-12 2018-07-20 天津青松华药医药有限公司 A kind of laparoscope puncture outfit device

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