CN108771559A - A kind of abdominal cavity puncture outfit - Google Patents

A kind of abdominal cavity puncture outfit Download PDF

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Publication number
CN108771559A
CN108771559A CN201810532665.5A CN201810532665A CN108771559A CN 108771559 A CN108771559 A CN 108771559A CN 201810532665 A CN201810532665 A CN 201810532665A CN 108771559 A CN108771559 A CN 108771559A
Authority
CN
China
Prior art keywords
inner tube
outer tube
puncture
seal cap
abdominal cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810532665.5A
Other languages
Chinese (zh)
Inventor
袁文文
何洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENGDU WEIXIN ELECTRONIC KEDA NEW TECHNOLOGY Co Ltd
Original Assignee
CHENGDU WEIXIN ELECTRONIC KEDA NEW TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHENGDU WEIXIN ELECTRONIC KEDA NEW TECHNOLOGY Co Ltd filed Critical CHENGDU WEIXIN ELECTRONIC KEDA NEW TECHNOLOGY Co Ltd
Priority to CN201810532665.5A priority Critical patent/CN108771559A/en
Publication of CN108771559A publication Critical patent/CN108771559A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421Cannulas
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3494Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
    • 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
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B2017/3419Sealing means between cannula and body
    • 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

Abstract

The invention discloses a kind of abdominal cavity puncture outfits, including puncture cannula and the puncture core that can be threaded through in puncture cannula, puncture cannula includes gland, air shuttle valve, fixed link, gas injection valve, shell and seal cap, fixed link upper end is disposed with shell from the bottom to top, air shuttle valve and gland, the fixed link is made of inner and outer tubes, inner tube is placed in outer tube, make to form the closed channel F of a upper port between inner tube and outer tube, it is provided with seal cap between inner tube lower part and outer tube, outer tube side part is provided with the gas injection valve being connected to channel F, outer tube following side is provided with several stomatas being connected to channel F, inner tube forms surgical instrument(And puncture core)The air duct formed between channel and inner tube, outer tube is two autonomous channels, and the present invention keeps surgical procedure safer.

Description

A kind of abdominal cavity puncture outfit
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of abdominal cavity puncture outfits.
Background technology
Abdominal cavity puncture outfit is a kind of in celioscopy and laparoscopic procedures, being punctured to human body abdominal wall tissue and right Intraperitoneal conveying gas, and the service aisle for establishing abdominal operation is used.Belong to Minimally Invasive Surgery instrument.
Abdominal cavity puncture outfit is generally made of puncture cannula and puncture core etc..Abdominal cavity puncture outfit is according to puncture cannula internal diameter and length The differences such as degree can be divided into several models and specification, and the length that puncture outfit is all to be typically all some represent size such as 50mm, 75mm, 100mm, 150mm etc..However, because of the individual difference of different people, operative doctor can be according to the feelings of patient when selecting length Condition selects most matched model specification.Absolutely in most cases, the rod segment part of puncture cannula when being performed the operation, a part puncture Into human abdominal cavity, it is a part of it is exposed outside.Therefore to use fixed structure too deep to prevent from being placed in for abdominal cavity puncture outfit on the market Or abjection, such as puncture cannula outer wall is using helicitic texture or suture line of skin method.But selected measure is not avoided that position It is completely unchanged, but the variation of position is accurately monitored without cue mark, general operation is medical for this " into " " going out " phenomenon by other reference points or can only feel to be judged, then puncture outfit merging is too deep damage internal organs Risk can cause the hysteroscope visual field to be blocked and keep surgical instrument operation difficult, such as all kinds of pincers, folder, the first-class needle holder of ultrasound knife Etc. can not open;And puncture outfit abjection is partly helicitic texture section, this easily leads to intracavity gas leakage, and gas is a large amount of Leakage can be such that body cavity decompression collapses, and the gas of severe jamming surgical procedure, outer spilling enters sub-surface porosity adipose tissue gap also Extensive pneumoderm can be formed, patient suffering is increased.
To penetrate skin, a skin incision for being enough to import puncture outfit is cut with scalpel, is then penetrated using puncture outfit Fascia, fat, muscle Deng Ge organized layers face enter cavum peritoneale, and extraction punctures core, and puncture cannula can be as Minimally Invasive Surgery Service aisle.For avoid puncture cannula with puncture core after engagement tip formed larger step cause to puncture it is difficult, therefore it is right In gap of the puncture cannula with puncture core at head fits, it is desirable that be not more than 0.3mm, the tip of puncture cannula uses band taper Scarf structure(Similar to injection needle needle point structure), in piercing process and in operating process, accidentally puncture outfit is set Enter it is too deep can be damaged to internal organs, lead to serious malpractice.In addition, the surgical instrument of abdominal cavity puncture outfit on the market(And it punctures Core)Channel air duct required when establishing and maintain with pneumoperitoneum is same channel, puncture cannula and surgical instrument(And it punctures Core)Engagement process, because its fit clearance is variant in the difference or surgical procedure of different product, the size in this gap could be made For the channel of air.In the course of surgery, when gap very little occur or not having substantially, the foundation failure of pneumoperitoneum may directly be arrived Or the pneumoperitoneum established collapses, and seriously affects the progress of operation, while the pneumoperitoneum collapsed leads to puncture outfit or surgical instrument tip Injured patient's internal organs.
Invention content
To solve the above-mentioned problems, the present invention proposes a kind of abdominal cavity puncture outfit more conveniently, safely.
Specifically, a kind of abdominal cavity puncture outfit, including puncture cannula and the puncture core that can be threaded through in puncture cannula, it punctures Casing includes gland, air shuttle valve, fixed link, gas injection valve, shell and seal cap, and fixed link upper end is disposed with outer from the bottom to top Shell, air shuttle valve and gland, the fixed link are made of inner and outer tubes, and inner tube is placed in outer tube, is made between inner tube and outer tube The closed channel F of a upper port is formed, seal cap is provided between inner tube lower part and outer tube, outer tube side part is provided with and channel The gas injection valve of F connections, outer tube following side is provided with several stomatas being connected to channel F.
Further, the outer wall of inner tube is provided with supporting point M, and outer tube wall is provided with supporting point N, supporting point M and Supporting point N contacts limit inner tube.
Further, it is provided with salient point A in the inner tube, salient point B and salient point C are provided on outer tube, salient point A is located at convex Between point B and salient point C.
Further, the outer wall of inner tube is provided with multiple equally distributed supporting point L.
Further, the outer tube is made of transparent material, and outer wall of inner tube is provided with scale marker.
Further, the outer wall of inner tube lower part is provided with fin A, and fin B, seal cap suit are provided in seal cap On inner pipe, and fin A is contacted with seal cap, and is fastened to seal cap by wire.
Further, the air shuttle valve and seal cap are all made of medical elastic material and are made.
The beneficial effects of the present invention are:There is visible scale on the puncture outfit casing tube of the abdominal cavity puncture outfit, can puncture through The depth of puncture is clearly known in journey, and monitors the position of puncture outfit in the course of surgery;Seal cap is arranged in puncture outfit casing tube Front end can prevent puncture cannula be strayed into it is too deep stab internal organs, surgical instrument can prevent intraperitoneal gas from passing through with seal cap cooperation Channel E is leaked;Gas passage F and surgical instrument(And puncture core)Channel E is two independent channels, can prevent surgical device Tool(And puncture core)Interference is generated when to establishing, maintaining pneumoperitoneum.
Description of the drawings
Fig. 1 is the structural schematic diagram that core is punctured in the present invention;
Fig. 2 is the structural schematic diagram of puncture cannula in the present invention;
Fig. 3 is the explosive view of puncture cannula in the present invention;
Fig. 4 is the sectional view of puncture cannula in the present invention;
Fig. 5 is the enlarged drawing of A in Fig. 4;
Fig. 6 is the enlarged drawing of B in Fig. 4;
Fig. 7 is the enlarged drawing of C in Fig. 4;
Fig. 8 is the structural schematic diagram of inner tube in the present invention;
Fig. 9 is the vertical view of fixed link in the present invention;
Figure 10 is the enlarged drawing of D in Fig. 9;
Figure 11 is the structural schematic diagram of the present invention;
Figure 12 is the enlarged drawing of E in Figure 11;
1- punctures core, 2- puncture cannulas, 3- glands, 4- air shuttle valves, 5- fixed links, 6- gas injections valve, 7- shells, 8- sealings in figure Cap, 9- inner tubes, 10- outer tubes, 11- wires, the channels the 110- channel E, 111- F, 210- salient point A, 220- salient point B, 230- salient point C, 410- supporting points M, 420- supporting points N, 430- supporting point L, 510- scale marker, 610- stomatas, 710- fins A, 720- are convex The ends rib B, 810- end P, 820- Q.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control illustrates this hair Bright specific implementation mode.
As shown in Figure 1, 2, a kind of abdominal cavity puncture outfit, including puncture cannula 2 and the puncture that can be threaded through in puncture cannula 2 Core 1, as shown in Fig. 3,4,11, puncture cannula 2 includes gland 3, air shuttle valve 4, fixed link 5, gas injection valve 6, shell 7 and seal cap 8, 5 upper end of fixed link is disposed with shell 7, air shuttle valve 4 and gland 3 from the bottom to top;Fixed link 5 is made of inner tube 9 and outer tube 10, Shell 7 is assemblied on outer tube 10 and is adhesively fixed, and by the assembly of air shuttle valve 4 on the end of fixed link 5, gland 3 is pressed in choke It is adhesively fixed on valve 4 and with shell 7.Wherein, air shuttle valve 4 and seal cap 8 are all made of medical elastic material and are made.
As shown in Fig. 4,7,12, inner tube 9 is placed in outer tube 10, makes to form a upper port envelope between inner tube 9 and outer tube 10 The channel F111 closed is provided with seal cap 8 between 9 lower part of inner tube and outer tube 10,10 side of outer tube is provided with to be connected with channel F111 Logical gas injection valve 6, as shown in Fig. 2, 10 following side of outer tube is provided with several stomatas 610 being connected to channel F111.Therefore, it punctures It is as surgical instrument respectively there are two autonomous channels on casing 2(And puncture core 1)It is logical etc. the channel E110 and air passed through The channel F111 crossed, surgical instrument(And puncture core 1)Pass sequentially through gland 3, air shuttle valve 4, inner tube 9, seal cap 8;Establish pneumoperitoneum In the process, gas passes sequentially through gas injection valve 6, the gap of inner tube 9 and outer tube 10, the several holes 610 on outer tube 10 or seal cap 8 With the gap of outer tube 10.
Preferably, it as shown in fig. 6, the 9 outer wall lower part of inner tube is provided with fin A710, is provided in seal cap 8 convex Rib B720, seal cap 8 are sleeved in inner tube 9, and fin A710 is contacted with seal cap 8, and are twined to seal cap 8 by wire 11 Around fixation, fin A710 and fin B can prevent sealing ring 8 from being slipped when bearing forward power.
As shown in figure 3, outer tube 10 is equipped with end P810, gas injection valve 6 is equipped with end Q820, and end P810 and end Q820 are carried out It assembles and is sealing adhesive.
As shown in figure 5,9 outer wall of inner tube is provided with supporting point M410,10 inner wall of outer tube is provided with supporting point N420, Supporting point M410 and supporting point N420 contacts limit inner tube 9.
As shown in Fig. 8 ~ 10, it is provided with salient point A210 in the inner tube 9, salient point B220 and salient point are provided on outer tube 10 C230, salient point A210 prevent inner tube 9 from rotating between salient point B220 and salient point C230.9 outer wall of the inner tube setting There are multiple equally distributed supporting point L430, several supporting points L430 to ensure the concentricity of inner tube 9 and outer tube 10.Outside inner tube 9 Wall is provided with scale marker 510, and the outer tube 10 is made of transparent material, and user can be clear by transparent outer tube 10 Identify the scale marker 510 in inner tube 9.
Below by applying the present invention in laparoscopic surgery be described further.
Before use, as shown in Figure 6 fitting together puncture cannula 2 with core 1 is punctured, while gas injection valve 6 should be kept to be in Closed state.Using Standard surgical technology, a skin incision for being enough to import puncture outfit is cut, is imported and is punctured by skin incision Device can be observed by the scale marker 510 on puncture cannula 2 in importing process and import depth and perception boot speed.To When up to required position, core 1 puncturing and taken out from puncture cannula 2, the air shuttle valve 4 in puncture cannula 2 can be automatically closed at this time, from And prevent abdominal cavity gas from leaking.Gas injection valve 6 is connected with the gas tube of pneumoperitoneum apparatus, while adjusting gas injection valve 6 and being in open state, Gas can enter abdominal cavity to maintain abdominal pressure by channel F111 at this time.Cause to puncture if any fortuitous event in the process Casing 2 is inserted into too deep, and 2 front end of puncture cannula has seal cap 8 that can prevent from stabbing internal organs.Various surgical instruments pass through channel later Relevant operation is completed in E110 disengaging, and surgical instrument can prevent gas from being leaked by channel E110, pass through with the cooperation of seal cap 8 Scale marker 510 on puncture cannula 2 can obviously know the insertion depth variation of puncture outfit.Operation after the completion of separation gas tube and Gas injection valve 6.Gas injection valve 6 is kept to open, gas can be discharged by channel F111 in abdominal cavity.

Claims (7)

1. a kind of abdominal cavity puncture outfit, including puncture cannula(2)With can be threaded through puncture cannula(2)In puncture core(1), puncture Casing(2)Including gland(3), air shuttle valve(4), fixed link(5), gas injection valve(6), shell(7)And seal cap(8), fixed link(5) Upper end is disposed with shell from the bottom to top(7), air shuttle valve(4)And gland(3), which is characterized in that the fixed link(5)By Inner tube(9)And outer tube(10)Composition, inner tube(9)It is placed in outer tube(10)It is interior, make inner tube(9)With outer tube(10)Between formed one on The channel F of port closed(111), inner tube(9)Lower part and outer tube(10)Between be provided with seal cap(8), outer tube(10)Side is set It is equipped with and channel F(111)The gas injection valve of connection(6), outer tube(10)Following side is provided with and channel F(111)If the dry gas of connection Hole(610).
2. a kind of abdominal cavity puncture outfit according to claim 1, which is characterized in that the inner tube(9)Outer wall is provided with branch Support point M(410), outer tube(10)Inner wall is provided with supporting point N(420), supporting point M(410)With supporting point N(420)Contact is internal Pipe(9)It is limited.
3. a kind of abdominal cavity puncture outfit according to claim 1, which is characterized in that the inner tube(9)On be provided with salient point A (210), outer tube(10)On be provided with salient point B(220)With salient point C(230), salient point A(210)Positioned at salient point B(220)With salient point C (230)Between.
4. a kind of abdominal cavity puncture outfit according to claim 1, which is characterized in that the inner tube(9)Outer wall is provided with more A equally distributed supporting point L(430).
5. a kind of abdominal cavity puncture outfit according to claim 1, which is characterized in that the outer tube(10)Using transparent material It is made, inner tube(9)Outer wall is provided with scale marker(510).
6. a kind of abdominal cavity puncture outfit according to claim 1, which is characterized in that the inner tube(9)Outer wall lower part is arranged There is fin A(710), seal cap(8)On be provided with fin B(720), seal cap(8)It is sleeved on inner tube(9)On, and fin A (710)With seal cap(8)Contact, and pass through wire(11)To seal cap(8)It is fastened.
7. a kind of abdominal cavity puncture outfit according to claim 1, which is characterized in that the air shuttle valve(4)And seal cap(8) Medical elastic material is all made of to be made.
CN201810532665.5A 2018-05-29 2018-05-29 A kind of abdominal cavity puncture outfit Pending CN108771559A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810532665.5A CN108771559A (en) 2018-05-29 2018-05-29 A kind of abdominal cavity puncture outfit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810532665.5A CN108771559A (en) 2018-05-29 2018-05-29 A kind of abdominal cavity puncture outfit

Publications (1)

Publication Number Publication Date
CN108771559A true CN108771559A (en) 2018-11-09

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CN201810532665.5A Pending CN108771559A (en) 2018-05-29 2018-05-29 A kind of abdominal cavity puncture outfit

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110051412A (en) * 2019-05-10 2019-07-26 常州平康医疗科技有限公司 Safe puncture outfit
CN110652348A (en) * 2019-11-11 2020-01-07 常州安康医疗器械有限公司 Laparoscope puncture outfit adopting water-sealed structure
CN111759415A (en) * 2020-06-19 2020-10-13 浙江工业大学 Disposable puncture outfit with double-layer tube structure

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5752970A (en) * 1995-02-03 1998-05-19 Yoon; Inbae Cannula with distal end valve
US20050216028A1 (en) * 2004-03-24 2005-09-29 Hart Charles C Self-sealing cannula having integrated seals
US20050267331A1 (en) * 2004-05-28 2005-12-01 Secrest Dean J Overtube assembly
CN101843518A (en) * 2010-06-07 2010-09-29 常州威克医疗器械有限公司 Disposable puncture device
CN201683988U (en) * 2010-06-07 2010-12-29 常州威克医疗器械有限公司 One-off trocar
WO2012128826A2 (en) * 2011-03-22 2012-09-27 Lexion Medical Llc Insufflation appartus
CN204016435U (en) * 2014-07-29 2014-12-17 常州安克医疗科技有限公司 A kind of Wicresoft abdominal cavity puncture outfit
US20170007295A1 (en) * 2015-07-07 2017-01-12 Lexion Medical, Llc Method and system for gas maintenance to a body cavity using a trocar
CN107115136A (en) * 2017-06-12 2017-09-01 常州艾隆精密机械有限公司 A kind of abdominal cavity puncture outfit

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5752970A (en) * 1995-02-03 1998-05-19 Yoon; Inbae Cannula with distal end valve
US20050216028A1 (en) * 2004-03-24 2005-09-29 Hart Charles C Self-sealing cannula having integrated seals
US20050267331A1 (en) * 2004-05-28 2005-12-01 Secrest Dean J Overtube assembly
CN101843518A (en) * 2010-06-07 2010-09-29 常州威克医疗器械有限公司 Disposable puncture device
CN201683988U (en) * 2010-06-07 2010-12-29 常州威克医疗器械有限公司 One-off trocar
WO2012128826A2 (en) * 2011-03-22 2012-09-27 Lexion Medical Llc Insufflation appartus
CN204016435U (en) * 2014-07-29 2014-12-17 常州安克医疗科技有限公司 A kind of Wicresoft abdominal cavity puncture outfit
US20170007295A1 (en) * 2015-07-07 2017-01-12 Lexion Medical, Llc Method and system for gas maintenance to a body cavity using a trocar
CN107115136A (en) * 2017-06-12 2017-09-01 常州艾隆精密机械有限公司 A kind of abdominal cavity puncture outfit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110051412A (en) * 2019-05-10 2019-07-26 常州平康医疗科技有限公司 Safe puncture outfit
CN110652348A (en) * 2019-11-11 2020-01-07 常州安康医疗器械有限公司 Laparoscope puncture outfit adopting water-sealed structure
CN111759415A (en) * 2020-06-19 2020-10-13 浙江工业大学 Disposable puncture outfit with double-layer tube structure
CN111759415B (en) * 2020-06-19 2021-10-29 浙江工业大学 Disposable puncture outfit with double-layer tube structure

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Application publication date: 20181109