CN105434012B - A kind of trachea foreign body forceps caliper structure - Google Patents

A kind of trachea foreign body forceps caliper structure Download PDF

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Publication number
CN105434012B
CN105434012B CN201510980141.9A CN201510980141A CN105434012B CN 105434012 B CN105434012 B CN 105434012B CN 201510980141 A CN201510980141 A CN 201510980141A CN 105434012 B CN105434012 B CN 105434012B
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CN
China
Prior art keywords
clamping jaw
joint face
caliper
support ring
jaw joint
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.)
Expired - Fee Related
Application number
CN201510980141.9A
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Chinese (zh)
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CN105434012A (en
Inventor
陈军
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Chen Jun
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Individual
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Priority to CN201510980141.9A priority Critical patent/CN105434012B/en
Publication of CN105434012A publication Critical patent/CN105434012A/en
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Publication of CN105434012B publication Critical patent/CN105434012B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/50Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/24Surgical instruments, devices or methods, e.g. tourniquets for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B2017/2808Clamp, e.g. towel clamp
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • A61B17/2909Handles
    • A61B2017/2912Handles transmission of forces to actuating rod or piston
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • A61B17/2909Handles
    • A61B2017/2912Handles transmission of forces to actuating rod or piston
    • A61B2017/2919Handles transmission of forces to actuating rod or piston details of linkages or pivot points
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • A61B2017/2926Details of heads or jaws
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • A61B2017/2926Details of heads or jaws
    • A61B2017/2945Curved jaws

Abstract

The invention discloses a kind of trachea foreign body forceps caliper structure, the caliper is by flexible rubber or integrally moulded, and by the pipe joint b of tubular, the support ring of tubular, the clamping jaw joint face of spheric and three clamping jaws, integrally connected is constituted the caliper successively in structure;Three clamping jaws are uniformly connected on the outer surface of clamping jaw joint face and three clamping jaws are on a circumference;Pipe joint b inwalls slidably connect a piston body, and a connecting rod is connected between piston body and the center of clamping jaw joint face;It is uniform on described clamping jaw joint face to offer through hole, through hole circumferentially array distribution centered on connecting rod;Caliper is easy to process by elastic caoutchouc or integrally moulded, and production cost is low.The piston body is driven to piston cylinder direction by negative pressure and moved so as to drive clamping jaw joint face indent, and clamping jaw joint face then drives three clamping jaws to do pinching action to clamp foreign matter.

Description

A kind of trachea foreign body forceps caliper structure
Present patent application is the divisional application of following patent application
Title:A kind of trachea foreign body forceps and caliper
Application number:201410379921.3
The applying date:2014-08-04.
Technical field
The invention belongs to medical instruments field, and in particular to foreign body in airpassage wrench structure.
Background technology
Foreign matter can be hindered breathing after suction respiratory tract by mistake, can cause asphyxia even dead when serious, after aspirated foreign body It must take out in time.Usual foreign body is to coordinate trachea foreign body forceps to be operated using airway wall, the foreign body forcepses of prior art All it is metal material, is repeatedly used after cleaning and sterilizing, but the chela position of foreign body forcepses is generally hinge with caliper main body Form connection is connect, link position has dead angle, it is difficult to which thoroughly cleaning is clean, there is infection risk, using effect during reuse It is undesirable.And if the disposable cost of the foreign body forcepses of metal material is too high and waste of resource.
The content of the invention
The technical problems to be solved by the invention are:In view of the shortcomings of the prior art there is provided one kind is simple in construction, make With easy to operate, gripping foreign matter is reliable, low cost, trachea foreign body forceps caliper that can be disposable.
To realize the purpose of the present invention, it is achieved using following technical scheme:
A kind of trachea foreign body forceps caliper structure, described caliper is described by flexible rubber or integrally moulded Caliper in structure by the pipe joint b of tubular, the support ring of tubular, the clamping jaw joint face of spheric and three clamping jaws according to Secondary integrally connected is constituted;The external diameter of the support ring is more than outside pipe joint b external diameter, described connection tube outer surface and support ring Flush;Described clamping jaw joint face is outwardly, and three clamping jaws are uniformly connected on the outer surface of clamping jaw joint face and three Individual clamping jaw is on a circumference, and the inner surface of the clamping jaw forms clip tooth;It is common in described pipe joint b and support ring It is embedded with the reinforcing panel that hard is embedded with the embedded pipe of a hard, described clamping jaw;Described pipe joint b inwalls are slided A piston body is connected with, a connecting rod, a diameter of support of connecting rod are connected between piston body and the center of clamping jaw joint face The 1/10-1/5 of ring internal diameter;It is uniform on described clamping jaw joint face to offer through hole, through hole circumferentially array centered on connecting rod Distribution;The piston body of caliper is moved under suction function to pipe joint b ends, and drives clamping jaw connection towards support by connecting rod Ring is recessed, so as to drive three clamping jaws to be drawn close to clamping jaw joint face center in contraction state.
Described caliper is easy to process by elastic caoutchouc or integrally moulded, and production cost is low, surface Glabrous thorn Or pointed end, the sense of discomfort produced to tracheae and damage are small;The piston body is driven to piston cylinder direction by negative pressure and moved So as to drive clamping jaw joint face indent, clamping jaw joint face then drives three clamping jaws to do pinching action to clamp foreign matter;Described On the one hand through hole enables piston body both sides produce pressure differential and moved beneficial to piston body, and another aspect foreign matter stuck position may be deposited A small amount of hydrops can be sucked from through hole in the space between clamping jaw joint face and piston body;Described reinforcing panel and embedded pipe Make that caliper has enough mechanical strengths and clamping jaw joint face position can have good elasticity, it is ensured that clamping jaw can effectively and Firmly clamp foreign matter.The 1/10-1/5 of a diameter of support ring internal diameter of the connecting rod, such connecting rod both can guarantee that to be connected with clamping jaw Junction is connected firmly, while can ensure that the deformation quantity of clamping jaw joint face is larger again, clamping jaw is preferably clamped foreign matter.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2, Fig. 3 are the structural representations of pneumatic control handle.
Fig. 4 is embodiment 1, the structural representation of 2 caliper parts.
Fig. 5, Fig. 6 are embodiment 1, the cross section structure diagram of 2 caliper parts.
Fig. 7 is embodiment 3, the structural representation of 4 caliper parts.
Fig. 8, Fig. 9 are embodiment 3, the cross section structure diagram of 4 caliper parts.
1st, pneumatic control handle;11st, piston cylinder;111st, pipe joint a;12nd, piston rod;121st, hinge eyes;13rd, movable hand Handle;14th, fixed handle;131st, jointed shaft a;132nd, jointed shaft b;2nd, connecting tube;3rd, caliper;30th, pipe joint b;31st, support ring; 32nd, clamping jaw joint face;321st, annular rib;322nd, through hole;33rd, clamping jaw;331st, clip tooth;332nd, panel is reinforced;34th, pipe is embedded; 35th, connecting rod;36th, piston body.
Embodiment
The embodiment of the present invention is made a detailed explanation below according to accompanying drawing.
Embodiment 1
According to Fig. 1 to Fig. 6, a kind of trachea foreign body forceps described in the present embodiment includes caliper 3, pneumatic control hand Handle 1 and the connecting tube 2 for connecting the gentle dynamic joystick of caliper;Described caliper by flexible rubber or plastics one into Type, the caliper in structure by the pipe joint b30 of tubular, the support ring 31 of tubular, spheric clamping jaw joint face 32 And integrally connected is constituted three clamping jaws 33 successively;The external diameter of the support ring is more than pipe joint b external diameter, described connecting tube 2 are connected with pipe joint b outer wall interference fit;Described clamping jaw joint face is outwardly, and three clamping jaws are uniformly connected to clamping jaw On the outer surface of joint face and three clamping jaws are on a circumference, the 1/2- of a diameter of support ring internal diameter of the annular rib 2/3;The inner surface of the clamping jaw forms clip tooth 331;A hard is embedded with jointly in described pipe joint b and support ring Embedded pipe 34, the reinforcing panel 332 of hard is embedded with described clamping jaw;It is molded in the middle part of the inner surface of the clamping jaw joint face There is an annular rib 321, annular rib is equal with the circle diameter residing for three clamping jaws;Described pneumatic control handle includes Having be connected with the piston rod that end is extend out to outside piston cylinder on a piston cylinder 11 and the piston coordinated with piston cylinder, piston 12, piston cylinder front end is connected with a pipe joint a111 being connected with the connecting tube;Piston cylinder lateral wall is fixed A fixed handle 14 is connected with, piston rod end is hinged with the middle part of a flexible handle 13, flexible handle and is hinged by one Axle b132 is hinged on fixed handle;The end of the piston rod forms the hinge eyes 121 of a bar shaped hole shape, movable hand A jointed shaft a131 is fixedly connected with handle, jointed shaft a is limited in the hinge eyes.The piston diameter is that piston body is straight 3-5 times of footpath;Described flexible handle drives piston to produce negative pressure to piston cylinder rear motion, and the clamping jaw joint face of caliper is negative It is recessed under pressure effect to support ring, so as to drive three clamping jaws to be drawn close to clamping jaw joint face center in contraction state.
In use, airway wall is stretched into intratracheal foreign body neighbouring position together with caliper and connecting tube, by tracheae sem observation, Clamping jaw is set to be directed at foreign matter;Rotated by pressing the flexible handle bottom towards fixed handle direction, the jointed shaft a on flexible handle Coordination hinge annulus piston bar is moved to piston cylinder rear, so that producing negative pressure in piston cylinder, passes through connecting tube and piston Also it is in negative pressure state in the caliper that cylinder is connected, described clamping jaw joint face is inwardly concaved under suction function, so as to drive three Individual clamping jaw makees pinching action to clamp foreign matter, and flexible handle keeps state of holding with a firm grip, and caliper is drawn out into gas together with connecting tube Pipe is outer.
Embodiment 2
According to Fig. 4 to Fig. 6, a kind of trachea foreign body forceps caliper described in the present embodiment, described caliper 3 is by with bullet The rubber or integrally moulded of property, the caliper is in structure by the pipe joint b of tubular, the support ring of tubular, sphere Integrally connected is constituted successively for the clamping jaw joint face of shape and three clamping jaws;The external diameter of the support ring is more than pipe joint b external diameter, Described clamping jaw joint face is outwardly, and three clamping jaws are uniformly connected on the outer surface of clamping jaw joint face and three clamping jaws are in On one circumference, the inner surface of the clamping jaw forms clip tooth;One is embedded with jointly in described pipe joint b and support ring The reinforcing panel of hard is embedded with the embedded pipe of hard, described clamping jaw;It is molded in the middle part of the inner surface of the clamping jaw joint face There is an annular rib, annular rib is equal with the circle diameter residing for three clamping jaws, a diameter of support of the annular rib The 1/2-2/3 of ring internal diameter;The clamping jaw joint face of caliper is recessed under the suction function of pipe joint b sides to support ring, so that Three clamping jaws are driven to be drawn close to clamping jaw joint face center in contraction state.
Embodiment 3
According to Fig. 1, Fig. 2, Fig. 7, Fig. 8 and Fig. 9, a kind of trachea foreign body forceps described in the present embodiment includes caliper 3, pneumatic control handle 1 and connect the gentle dynamic joystick of caliper connecting tube 2;Described caliper is by flexible rubber Or it is integrally moulded, the caliper is in structure by the pipe joint b30 of tubular, the support ring 31 of tubular, spheric Integrally connected is constituted successively for clamping jaw joint face 32 and three clamping jaws 33;The external diameter of the support ring is more than pipe joint b external diameter, Described connecting tube 2 is connected with pipe joint b outer wall interference fit;Described clamping jaw joint face is outwardly, and three clamping jaws are equal Even to be connected on the outer surface of clamping jaw joint face and three clamping jaws are on a circumference, the inner surface of the clamping jaw forms folder Tooth 331;It is embedded with the embedded pipe 34 of a hard, described clamping jaw and is embedded jointly in described pipe joint b and support ring There is the reinforcing panel 332 of hard;Described pipe joint b inwalls slidably connect a piston body 36, and piston body is connected with clamping jaw A connecting rod 35 is connected between the center in face;The 1/10-1/5 of a diameter of support ring internal diameter of connecting rod;Described clamping jaw connection It is uniform on face to offer through hole 322, through hole circumferentially array distribution centered on connecting rod;Described pneumatic control handle includes The piston rod 12 that end is extend out to outside piston cylinder is connected with one piston cylinder 11 and the piston coordinated with piston cylinder, piston, Piston cylinder front end is connected with a pipe joint a111 being connected with the connecting tube;Piston cylinder lateral wall is fixedly connected There is a fixed handle 14, piston rod end, which is hinged with the middle part of a flexible handle 13, flexible handle, passes through a jointed shaft B132 is hinged on fixed handle;The end of the piston rod forms the hinge eyes 121 of a bar shaped hole shape, flexible handle On be fixedly connected with a jointed shaft a131, jointed shaft a is limited in the hinge eyes.The piston diameter is piston body diameter 3-5 times;Described flexible handle drives piston to produce negative pressure to piston cylinder rear motion, and the piston body of caliper is in suction function It is lower to be moved to pipe joint b ends, and by connecting rod drive clamping jaw connection be recessed towards support ring so that drive three clamping jaws to Clamping jaw joint face center is drawn close in contraction state.
In use, airway wall is stretched into intratracheal foreign body neighbouring position together with caliper and connecting tube, by tracheae sem observation, Clamping jaw is set to be directed at foreign matter;Rotated by pressing the flexible handle bottom towards fixed handle direction, the jointed shaft a on flexible handle Coordination hinge annulus piston bar is moved to piston cylinder rear, so that producing negative pressure in piston cylinder, passes through connecting tube and piston Also it is in negative pressure state in the caliper that cylinder is connected, described piston body is moved under suction function to piston cylinder direction, so that band Dynamic clamping jaw joint face indent, clamping jaw joint face then drives three clamping jaws to make pinching action to clamp foreign matter, flexible handle Holding is held with a firm grip state, and caliper is drawn out to outside tracheae together with connecting tube.
Embodiment 3 compared with Example 1 compared with, due to being provided with piston body, pass through piston body drive link pull rib connect Junction is moved, and can be better ensured that rib joint face be driven and strictly kept during each support rod synchronously, during gripping foreign matter more It is reliable and stable.
Embodiment 4
According to Fig. 7, Fig. 8 and Fig. 9, a kind of trachea foreign body forceps caliper described in the present embodiment includes caliper 3, gas Dynamic joystick 1 and the connecting tube 2 for connecting the gentle dynamic joystick of caliper;Described caliper is by flexible rubber or modeling Material is integrally formed, the caliper in structure by the pipe joint b30 of tubular, the support ring 31 of tubular, spheric clamping jaw Integrally connected is constituted successively for joint face 32 and three clamping jaws 33;The external diameter of the support ring is more than pipe joint b external diameter, described Connecting tube 2 and pipe joint b outer wall interference fit be connected;Described clamping jaw joint face is outwardly, and three clamping jaws uniformly connect It is connected on the outer surface of clamping jaw joint face and three clamping jaws is on a circumference, the inner surface of the clamping jaw forms clip tooth 331;It is embedded with the embedded pipe 34 of a hard, described clamping jaw and is embedded with jointly in described pipe joint b and support ring The reinforcing panel 332 of hard;Described pipe joint b inwalls slidably connect a piston body 36, piston body and clamping jaw joint face Center between be connected with a connecting rod 35;The 1/10-1/5 of a diameter of support ring internal diameter of connecting rod;Described clamping jaw joint face On uniformly offer through hole 322, through hole circumferentially array distribution centered on connecting rod.

Claims (1)

1. a kind of trachea foreign body forceps caliper structure, it is characterised in that:Described caliper is by flexible rubber or plastics one Shaping, the caliper in structure by the pipe joint b of tubular, the support ring of tubular, the clamping jaw joint face of spheric and Integrally connected is constituted three clamping jaws successively;The external diameter of the support ring is more than pipe joint b external diameter, connection tube outer surface and support Ring outer surface is concordant;Described clamping jaw joint face is outwardly, and three clamping jaws are uniformly connected on the outer surface of clamping jaw joint face And three clamping jaws are on a circumference, the inner surface of the clamping jaw forms clip tooth;In described pipe joint b and support ring The reinforcing panel that hard is embedded with the embedded pipe of a hard, described clamping jaw is embedded with jointly;Described pipe joint b inwalls Slidably connect a piston body, be connected with a connecting rod between piston body and the center of clamping jaw joint face, connecting rod it is a diameter of The 1/10-1/5 of support ring internal diameter;It is uniform on described clamping jaw joint face to offer through hole, through hole centered on connecting rod circumferentially Array distribution;The piston body of caliper is moved under suction function to pipe joint b ends, and by connecting rod drive clamping jaw connection towards Support ring is recessed, so as to drive three clamping jaws to be drawn close to clamping jaw joint face center in contraction state.
CN201510980141.9A 2014-08-04 2014-08-04 A kind of trachea foreign body forceps caliper structure Expired - Fee Related CN105434012B (en)

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CN201410379921.3A CN104107083B (en) 2014-08-04 2014-08-04 A kind of trachea foreign body forceps and caliper
CN201510980141.9A CN105434012B (en) 2014-08-04 2014-08-04 A kind of trachea foreign body forceps caliper structure

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CN201510974396.4A Active CN105559863B (en) 2014-08-04 2014-08-04 A kind of trachea foreign body forceps
CN201510979363.9A Expired - Fee Related CN105615961B (en) 2014-08-04 2014-08-04 A kind of trachea foreign body forceps caliper
CN201510980141.9A Expired - Fee Related CN105434012B (en) 2014-08-04 2014-08-04 A kind of trachea foreign body forceps caliper structure

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CN201510974396.4A Active CN105559863B (en) 2014-08-04 2014-08-04 A kind of trachea foreign body forceps
CN201510979363.9A Expired - Fee Related CN105615961B (en) 2014-08-04 2014-08-04 A kind of trachea foreign body forceps caliper

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CN105997207B (en) * 2014-12-14 2018-02-23 栾雷 A kind of surgical operation is clamped with foreign matter net
CN105832388B (en) * 2014-12-14 2018-03-20 李河圣 A kind of caliper of medical foreign matter net pincers
CN105832389B (en) * 2014-12-14 2017-10-03 青岛大学附属医院 A kind of caliper structure of medical foreign matter net pincers
CN104490458B (en) * 2014-12-14 2016-09-14 青岛市市立医院 A kind of surgical operation foreign body net wrench structure
CN107084185A (en) * 2017-05-26 2017-08-22 苏州驱指自动化科技有限公司 Catching plate
CN108272489B (en) * 2018-02-07 2019-08-09 樊超 A kind of Medical forceps
CN111993451B (en) * 2020-08-25 2022-05-24 浙江清华柔性电子技术研究院 Clamping assembly and clamping device

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Publication number Publication date
CN105559863B (en) 2017-08-11
CN104107083A (en) 2014-10-22
CN105615961A (en) 2016-06-01
CN105434012A (en) 2016-03-30
CN104107083B (en) 2016-05-18
CN105615961B (en) 2017-12-22
CN105559863A (en) 2016-05-11

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