CN105434012A - Body structure of tracheal foreign body forceps - Google Patents

Body structure of tracheal foreign body forceps Download PDF

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

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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
    • A61B17/24—Surgical instruments, devices or methods, e.g. tourniquets for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in 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
    • A61B17/28—Surgical forceps
    • A61B2017/2808—Clamp, e.g. towel clamp
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B17/2909—Handles
    • A61B2017/2912—Handles transmission of forces to actuating rod or piston
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B17/2909—Handles
    • A61B2017/2912—Handles transmission of forces to actuating rod or piston
    • A61B2017/2919—Handles transmission of forces to actuating rod or piston details of linkages or pivot points
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2945—Curved jaws

Abstract

The invention discloses a body structure of tracheal foreign body forceps. The forcep body is integrally formed by elastic rubber or plastic and obtained through sequential and integral connection of a round-tube-shaped pipe joint b, a round-tube-shaped supporting ring, a spherical clamping jaw connecting surface and three clamping jaws, wherein the three clamping jaws are evenly connected to the outer surface of the clamping jaw connecting surface and located on the same circle, a piston body is connected to the inner wall of the pipe joint b in a sliding mode, and a connecting rod is connected between the piston body and the center of the clamping jaw connecting surface; through holes are evenly formed in the clamping jaw connecting surface and distributed into a circular array with the connecting rod as the center. The forcep body is convenient to machine and low in production cost. The piston body is driven under negative pressure to move towards a piston cylinder so as to drive the clamping jaw connecting surface to be concave inwards, and then the clamping jaw connecting surface drives the three clamping jaws to conduct clamping so as 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, be specifically related to foreign body in trachea wrench structure.
Background technology
Foreign body can hinder breathing by mistake after sucking respiratory tract, can cause suffocating even dead, must take out in time behind Foreign body aspiration time serious.Usual foreign body uses tracheascope to coordinate trachea foreign body forceps to operate, the foreign body forceps of prior art is all metal material, repeatedly use after cleaning and sterilizing, but the chela position of foreign body forceps is usual is that articulated form is connected with caliper main body, there is dead angle in link position, be difficult to thoroughly clean up, there is infection risk when reusing, result of use is undesirable.And if the foreign body forceps single use high cost of metal material and waste resource.
Summary of the invention
Technical problem to be solved by this invention is: the deficiency existed for prior art, and provide a kind of structure simple, use easy to operate, gripping foreign body is reliable, and cost is low, can disposable trachea foreign body forceps caliper.
For realizing the object of the present invention, be achieved by the following technical solutions:
A kind of trachea foreign body forceps caliper structure, described caliper is by having elastic rubber or integrally moulded, and described caliper is is structurally integrally connected and composed successively by the pipe joint b of tubular, the support ring of tubular, the jaw joint face of spheric and three jaws; The external diameter of described support ring is greater than the external diameter of pipe joint b, described connection tube outer surface and support ring flush with outer surface; Described jaw joint face is outwardly, and on the outer surface that three jaws are evenly connected to jaw joint face and three jaws are in one circumferentially, the inner surface of described jaw forms clip tooth; Jointly be embedded with the embedded pipe of a hard in described pipe joint b and support ring, in described jaw, be embedded with the reinforcing panel of hard; Described pipe joint b inwall slidably connects a piston body, is connected with a connecting rod between the center of piston body and jaw joint face, and the diameter of connecting rod is the 1/10-1/5 of support ring internal diameter; Described jaw joint face evenly offers through hole, through hole circumferentially array distribution centered by connecting rod; The piston body of caliper moves to pipe joint b end under suction function, and drives jaw joint face to be recessed to support ring by connecting rod, thus drives three jaws to draw close in contraction state to jaw joint face center.
Described caliper is by gum elastic or integrally moulded, easy to process, and production cost is low, smooth surface impulse-free robustness or pointed end, and the sense of discomfort produced trachea is small with damage; Described piston body drives to the motion of piston cylinder direction by negative pressure thus drives jaw joint face indent, and jaw joint face drives three jaws to do pinching action to clamp foreign body then; Described through hole makes piston body both sides produce pressure differential on the one hand and is beneficial to piston body and moves, and a small amount of hydrops that foreign body stuck position may exist on the other hand can suck in the space between jaw joint face and piston body from through hole; Described reinforcing panel and embedded pipe make that caliper has enough mechanical strengths and jaw joint face position can have good elasticity, ensure that jaw can effectively and firmly clamp foreign body.The diameter of described connecting rod is the 1/10-1/5 of support ring internal diameter, and such connecting rod can ensure to be connected firmly with jaw joint face, can guarantee again that the deformation quantity of jaw joint face is comparatively large simultaneously, enable jaw clamp foreign body better.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2, Fig. 3 are the structural representations of pneumatic control handle.
Fig. 4 is the structural representation of embodiment 1,2 caliper part.
Fig. 5, Fig. 6 are the sectional structure schematic diagrams of embodiment 1,2 caliper part.
Fig. 7 is the structural representation of embodiment 3,4 caliper part.
Fig. 8, Fig. 9 are the sectional structure schematic diagrams of embodiment 3,4 caliper part.
1, pneumatic control hands handle; 11, piston cylinder; 111, pipe joint a; 12, piston rod; 121, hinge eyes; 13, flexible handle; 14, fixed handle; 131, jointed shaft a; 132, jointed shaft b; 2, connection tube; 3, caliper; 30, pipe joint b; 31, support ring; 32, jaw joint face; 321, annular rib; 322, through hole; 33, jaw; 331, clip tooth; 332, panel is reinforced; 34, embedded pipe; 35, connecting rod; 36, piston body.
Detailed description of the invention
With reference to the accompanying drawings the specific embodiment of the present invention is made a detailed explanation below.
Embodiment 1
According to shown in Fig. 1 to Fig. 6, a kind of trachea foreign body forceps described in the present embodiment, includes caliper 3, the connection tube 2 of pneumatic control handle 1 and the gentle dynamic joystick of connection caliper; Described caliper is by having elastic rubber or integrally moulded, and described caliper is is structurally integrally connected and composed successively by the pipe joint b30 of tubular, the support ring 31 of tubular, the jaw joint face 32 of spheric and three jaws 33; The external diameter of described support ring is greater than the external diameter of pipe joint b, and described connection tube 2 is connected with the outer wall interference fit of pipe joint b; Described jaw joint face is outwardly, and on the outer surface that three jaws are evenly connected to jaw joint face and three jaws are in one circumferentially, the diameter of described annular rib is the 1/2-2/3 of support ring internal diameter; The inner surface of described jaw forms clip tooth 331; Jointly be embedded with the embedded pipe 34 of a hard in described pipe joint b and support ring, in described jaw, be embedded with the reinforcing panel 332 of hard; Form an annular rib 321 in the middle part of the inner surface of described jaw joint face, annular rib is equal with the circle diameter residing for three jaws; The piston that described pneumatic control handle includes a piston cylinder 11 and coordinates with piston cylinder, piston is connected with end and extend out to piston rod 12 outside piston cylinder, piston cylinder front end is connected with a pipe joint a111 be connected with described connection tube; Piston cylinder lateral wall is fixedly connected with a fixed handle 14, and piston rod end is hinged with a flexible handle 13, is hinged on fixed handle in the middle part of flexible handle by a jointed shaft b132; The end of described piston rod forms the hinge eyes 121 of a bar hole shape, and flexible handle is fixedly connected with a jointed shaft a131, jointed shaft a is limited in described hinge eyes.Described piston diameter is 3-5 times of piston body diameter; Described flexible handle driven plunger produces negative pressure to piston cylinder rear motion, and the jaw joint face of caliper is recessed to support ring under suction function, thus drives three jaws to draw close in contraction state to jaw joint face center.
During use, tracheascope is stretched into position near intratracheal foreign body together with caliper and connection tube, is observed by tracheascope, make jaw aim at foreign body; Rotate towards fixed handle direction by pressing described flexible handle bottom, jointed shaft a coordination hinge endless belt on flexible handle moves piston rod and moves to piston cylinder rear, thus make to produce negative pressure in piston cylinder, also in negative pressure state in the caliper be connected with piston cylinder by connection tube, described jaw joint face inwardly concaves under suction function, thus drive three jaws make pinching action thus clamped by foreign body, flexible handle keeps state of holding with a firm grip, and caliper is drawn out to trachea outward together with connection tube.
Embodiment 2
According to shown in Fig. 4 to Fig. 6, a kind of trachea foreign body forceps caliper described in the present embodiment, described caliper 3 is by having elastic rubber or integrally moulded, and described caliper is is structurally integrally connected and composed successively by the pipe joint b of tubular, the support ring of tubular, the jaw joint face of spheric and three jaws; The external diameter of described support ring is greater than the external diameter of pipe joint b, and described jaw joint face is outwardly, and on the outer surface that three jaws are evenly connected to jaw joint face and three jaws are in one circumferentially, the inner surface of described jaw forms clip tooth; Jointly be embedded with the embedded pipe of a hard in described pipe joint b and support ring, in described jaw, be embedded with the reinforcing panel of hard; Form an annular rib in the middle part of the inner surface of described jaw joint face, annular rib is equal with the circle diameter residing for three jaws, and the diameter of described annular rib is the 1/2-2/3 of support ring internal diameter; The jaw joint face of caliper is recessed to support ring under the suction function of pipe joint b side, thus drives three jaws to draw close in contraction state to jaw joint face center.
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, the connection tube 2 of pneumatic control handle 1 and the gentle dynamic joystick of connection caliper; Described caliper is by having elastic rubber or integrally moulded, and described caliper is is structurally integrally connected and composed successively by the pipe joint b30 of tubular, the support ring 31 of tubular, the jaw joint face 32 of spheric and three jaws 33; The external diameter of described support ring is greater than the external diameter of pipe joint b, and described connection tube 2 is connected with the outer wall interference fit of pipe joint b; Described jaw joint face is outwardly, and on the outer surface that three jaws are evenly connected to jaw joint face and three jaws are in one circumferentially, the inner surface of described jaw forms clip tooth 331; Jointly be embedded with the embedded pipe 34 of a hard in described pipe joint b and support ring, in described jaw, be embedded with the reinforcing panel 332 of hard; Described pipe joint b inwall slidably connects a piston body 36, is connected with a connecting rod 35 between the center of piston body and jaw joint face; The diameter of connecting rod is the 1/10-1/5 of support ring internal diameter; Described jaw joint face evenly offers through hole 322, through hole circumferentially array distribution centered by connecting rod; The piston that described pneumatic control handle includes a piston cylinder 11 and coordinates with piston cylinder, piston is connected with end and extend out to piston rod 12 outside piston cylinder, piston cylinder front end is connected with a pipe joint a111 be connected with described connection tube; Piston cylinder lateral wall is fixedly connected with a fixed handle 14, and piston rod end is hinged with a flexible handle 13, is hinged on fixed handle in the middle part of flexible handle by a jointed shaft b132; The end of described piston rod forms the hinge eyes 121 of a bar hole shape, and flexible handle is fixedly connected with a jointed shaft a131, jointed shaft a is limited in described hinge eyes.Described piston diameter is 3-5 times of piston body diameter; Described flexible handle driven plunger produces negative pressure to piston cylinder rear motion, the piston body of caliper moves to pipe joint b end under suction function, and drive jaw joint face to be recessed to support ring by connecting rod, thus three jaws are driven to draw close in contraction state to jaw joint face center.
During use, tracheascope is stretched into position near intratracheal foreign body together with caliper and connection tube, is observed by tracheascope, make jaw aim at foreign body; Rotate towards fixed handle direction by pressing described flexible handle bottom, jointed shaft a coordination hinge endless belt on flexible handle moves piston rod and moves to piston cylinder rear, thus make to produce negative pressure in piston cylinder, also in negative pressure state in the caliper be connected with piston cylinder by connection tube, described piston body moves to piston cylinder direction under suction function, thus drive jaw joint face indent, jaw joint face drives three jaws make pinching action thus clamped by foreign body then, flexible handle keeps state of holding with a firm grip, and caliper is drawn out to trachea outward together with connection tube.
Embodiment 3, compared with embodiment 1, owing to being provided with piston body, pulls rib joint face to move by piston body drive link, can ensure that rib joint face drives during each support rod better and strictly keep synchronous, more reliable and more stable during gripping foreign body.
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, the connection tube 2 of pneumatic control handle 1 and the gentle dynamic joystick of connection caliper; Described caliper is by having elastic rubber or integrally moulded, and described caliper is is structurally integrally connected and composed successively by the pipe joint b30 of tubular, the support ring 31 of tubular, the jaw joint face 32 of spheric and three jaws 33; The external diameter of described support ring is greater than the external diameter of pipe joint b, and described connection tube 2 is connected with the outer wall interference fit of pipe joint b; Described jaw joint face is outwardly, and on the outer surface that three jaws are evenly connected to jaw joint face and three jaws are in one circumferentially, the inner surface of described jaw forms clip tooth 331; Jointly be embedded with the embedded pipe 34 of a hard in described pipe joint b and support ring, in described jaw, be embedded with the reinforcing panel 332 of hard; Described pipe joint b inwall slidably connects a piston body 36, is connected with a connecting rod 35 between the center of piston body and jaw joint face; The diameter of connecting rod is the 1/10-1/5 of support ring internal diameter; Described jaw joint face evenly offers through hole 322, through hole circumferentially array distribution centered by connecting rod.

Claims (1)

1. a trachea foreign body forceps caliper structure, it is characterized in that: described caliper is by having elastic rubber or integrally moulded, and described caliper is is structurally integrally connected and composed successively by the pipe joint b of tubular, the support ring of tubular, the jaw joint face of spheric and three jaws; The external diameter of described support ring is greater than the external diameter of pipe joint b, described connection tube outer surface and support ring flush with outer surface; Described jaw joint face is outwardly, and on the outer surface that three jaws are evenly connected to jaw joint face and three jaws are in one circumferentially, the inner surface of described jaw forms clip tooth; Jointly be embedded with the embedded pipe of a hard in described pipe joint b and support ring, in described jaw, be embedded with the reinforcing panel of hard; Described pipe joint b inwall slidably connects a piston body, is connected with a connecting rod between the center of piston body and jaw joint face, and the diameter of connecting rod is the 1/10-1/5 of support ring internal diameter; Described jaw joint face evenly offers through hole, through hole circumferentially array distribution centered by connecting rod; The piston body of caliper moves to pipe joint b end under suction function, and drives jaw joint face to be recessed to support ring by connecting rod, thus drives three jaws to draw close in contraction state to jaw joint face center.
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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CN201510980141.9A CN105434012B (en) 2014-08-04 2014-08-04 A kind of trachea foreign body forceps caliper structure
CN201410379921.3A CN104107083B (en) 2014-08-04 2014-08-04 A kind of trachea foreign body forceps and caliper

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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
CN201410379921.3A Expired - Fee Related CN104107083B (en) 2014-08-04 2014-08-04 A kind of trachea foreign body forceps and caliper

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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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CN105997208B (en) * 2014-12-14 2018-09-28 青岛市市立医院 A kind of surgical operation foreign matter net pincers caliper structure
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
CN104473683B (en) * 2014-12-14 2016-08-24 李峰 A kind of medical 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
CN105615961A (en) 2016-06-01
CN105559863A (en) 2016-05-11
CN105615961B (en) 2017-12-22
CN104107083B (en) 2016-05-18
CN104107083A (en) 2014-10-22
CN105559863B (en) 2017-08-11
CN105434012B (en) 2017-07-18

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