CN104107083B - A kind of trachea foreign body forceps and caliper - Google Patents
A kind of trachea foreign body forceps and caliper Download PDFInfo
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- CN104107083B CN104107083B CN201410379921.3A CN201410379921A CN104107083B CN 104107083 B CN104107083 B CN 104107083B CN 201410379921 A CN201410379921 A CN 201410379921A CN 104107083 B CN104107083 B CN 104107083B
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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
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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
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
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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
- A61B17/28—Surgical forceps
- A61B2017/2808—Clamp, e.g. towel clamp
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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
- A61B17/28—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
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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
- A61B17/28—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
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2945—Curved jaws
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- Heart & Thoracic Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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- Oral & Maxillofacial Surgery (AREA)
- Otolaryngology (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of trachea foreign body forceps and caliper, described caliper is by having flexible rubber or integrally moulded, and described caliper is is structurally connected and composed by the jaw joint face of the support ring of the pipe joint b of tubular, tubular, spheric and three jaws successively one; Three jaws are evenly connected on the outer surface of jaw joint face and three jaws are on a circumference; Pipe joint b inwall slidably connects a piston body, between piston body and the center of jaw joint face, is connected with a connecting rod; On described jaw joint face, evenly offer through hole, through hole is circumference array and distributes centered by connecting rod; Caliper is by elastic caoutchouc or integrally moulded, easy to process, and production cost is low. Thereby described piston body is driven to the motion of piston cylinder direction by negative pressure and drives jaw joint face indent, jaw joint face then drives three jaws to do and clamps action to clamp foreign matter.
Description
Technical field
The invention belongs to medical instruments field, be specifically related to foreign body in airpassage wrench structure.
Background technology
Foreign matter can hinder breathing after being sucked respiratory tract by mistake, can cause suffocating even dead, after aspirated foreign body when seriousMust take out in time. Conventionally foreign body is to use airway wall to coordinate trachea foreign body forceps to operate, the foreign body forceps of prior artBe all metal material, after cleaning and sterilizing, be repeatedly used, but the chela position of foreign body forceps is common and caliper main body is hingeThe form that connects connects, and link position exists dead angle, is difficult to thoroughly clean up, and has infection risk, result of use while reusingUndesirable. And if the disposable use high cost of the foreign body forceps of metal material and waste resource.
Summary of the invention
Technical problem to be solved by this invention is: the deficiency existing for prior art, provide a kind of simple in structure, and makeWith easy to operate, gripping foreign matter is reliable, and cost is low, can disposable trachea foreign body forceps.
For realizing the present invention's object, be achieved by the following technical solutions: a kind of trachea foreign body forceps, includes pincersBody, the tube connector of pneumatic control handle and the gentle moving joystick of connection caliper; Described caliper is by having flexible rubberOr integrally moulded, described caliper is structurally by the pipe joint b of tubular, the support ring of tubular, the jaw of sphericJoint face and three jaws successively one connect and compose; The external diameter of described support ring is greater than the external diameter of pipe joint b, described companyTake over and be connected with the outer wall interference fit of pipe joint b; Described jaw joint face is outwardly, and three jaws are evenly connected to folderOn the outer surface of pawl joint face and three jaws be on a circumference, the inner surface of described jaw forms clip tooth; DescribedIn pipe joint b and support ring, be jointly embedded with the embedded pipe of a hard, in described jaw, be embedded with the reinforcing embedding of hardPlate; The inner surface middle part of described jaw joint face forms an annular rib, annular rib and three residing circumference of jawEqual diameters, the diameter of described annular rib is the 1/2-2/3 of support ring internal diameter; Described pneumatic control handle includes onePiston cylinder and the piston coordinating with piston cylinder, be connected with end and extend out to the piston rod outside piston cylinder, before piston cylinder on pistonEnd is connected with a pipe joint a who is connected with described tube connector; Piston cylinder lateral wall is fixedly connected with one and fixesHandle, piston rod end is hinged with a flexible handle, and flexible handle middle part is hinged on fixed handle by a jointed shaft bOn; The end of described piston rod forms the hinge eyes of a bar hole shape, on flexible handle, be fixedly connected with one hingedAxle a, jointed shaft a is limited in described hinge eyes; Described flexible handle driven plunger produces negative pressure to piston cylinder rear motion,The jaw joint face of caliper is recessed to support ring under suction function, thereby drives three jaws to lean on to jaw joint face centerHold together to be contraction state.
Described caliper is by elastic caoutchouc or integrally moulded, easy to process, and production cost is low, and smooth surface is without burrOr pointed end, the sense of discomfort that tracheae is produced and damage are small; Described jaw joint face is driven by negative pressure and produces Inward deflectionClamp action to clamp foreign matter thereby drive three jaws to do; Described negative pressure makes piston along piston cylinder by the flexible handle of holding with a firm gripAfter move acquisition, easy to operate; Described reinforcing panel and embedded pipe make caliper have enough mechanical strengths and jaw joint facePosition can have again good elasticity, ensures that jaw can effectively and firmly clamp foreign matter. Described annular rib makes jawJoint face is subject to negative pressure and each jaw action that can be consistent while producing indent deformation, avoids jaw action unstable and make foreign matterAgain produce mobile. Described pneumatic control handle can produce easily negative pressure and drive caliper work, easy to operate. Described ringThe diameter of shape rib is the 1/2-2/3 of support ring internal diameter, and jaw joint face has good elasticity on radial direction like this, withThe cooperation of annular rib has again enough mechanical strengths, ensures that jaw action is strong; Described piston diameter is piston body diameter3-5 doubly; The shorter distance of flexible handle of so only need to holding with a firm grip just can make jaw joint face be subject to larger negative pressure.
The invention discloses a kind of trachea foreign body forceps caliper, described caliper is by having flexible rubber or plastics one becomesType, described caliper is structurally by the pipe joint b of tubular, the support ring of tubular, the jaw joint face and three of sphericIndividual jaw successively one connects and composes; The external diameter of described support ring is greater than the external diameter of pipe joint b, and described jaw joint face is outsideProtrude, three jaws are evenly connected on the outer surface of jaw joint face and three jaws are on a circumference, described jawInner surface form clip tooth; In described pipe joint b and support ring, be jointly embedded with the embedded pipe of a hard, describedIn jaw, be embedded with the reinforcing panel of hard; The inner surface middle part of described jaw joint face forms an annular rib, annularRib equates with three residing circle diameters of jaw, and the diameter of described annular rib is the 1/2-2/3 of support ring internal diameter; CaliperJaw joint face under the suction function of pipe joint b mono-side, be recessed to support ring, thereby drive three jaws to connect to jawJunction center is drawn close and is contraction state.
Described caliper is by elastic caoutchouc or integrally moulded, easy to process, and production cost is low, and smooth surface is without burrOr pointed end, the sense of discomfort that tracheae is produced and damage are small; Described jaw joint face is driven by negative pressure and produces Inward deflectionClamp action to clamp foreign matter thereby drive three jaws to do; Described reinforcing panel and embedded pipe make caliper have enough machinesTool intensity and jaw joint face position can have good elasticity, ensures that jaw can effectively and firmly clamp foreign matter. InstituteThe annular rib of stating makes jaw joint face be subject to negative pressure and each jaw action that can be consistent while producing indent deformation, avoids folderPawl moves unstable and makes foreign matter again produce movement. The diameter of described annular rib is the 1/2-2/3 of support ring internal diameter, like this folderPawl joint face has good elasticity on radial direction, coordinates and have enough mechanical strengths with annular rib, ensures folderPawl action is strong.
The invention also discloses another kind of trachea foreign body forceps, include caliper, pneumatic control handle and connect caliper andThe tube connector of pneumatic control handle; Described caliper is by having flexible rubber or integrally moulded, and described caliper is in structureThe support ring of the upper pipe joint b by tubular, tubular, the jaw joint face of spheric and three jaws successively one connectForm; The external diameter of described support ring is greater than the external diameter of pipe joint b, and the outer wall interference fit of described tube connector and pipe joint b connectsConnect, described tube connector outer surface is concordant with support ring outer surface; Described jaw joint face is outwardly, and three jaws are evenBe connected on the outer surface of jaw joint face and three jaws are on a circumference, the inner surface of described jaw forms folderTooth; The embedded pipe that is jointly embedded with a hard in described pipe joint b and support ring, is embedded with hard in described jawReinforcing panel; Described pipe joint b inwall slidably connects a piston body, between piston body and the center of jaw joint faceBe connected with a connecting rod, the diameter of connecting rod is the 1/10-1/5 of support ring internal diameter; On described jaw joint face, evenly offerThrough hole, through hole is circumference array and distributes centered by connecting rod; Described pneumatic control handle include a piston cylinder and withThe piston that piston cylinder coordinates, is connected with end and extend out to the piston rod outside piston cylinder on piston, piston cylinder front end is connected withA pipe joint a who is connected with described tube connector; Piston cylinder lateral wall is fixedly connected with a fixed handle, tailpiece of the piston rodPortion is hinged with a flexible handle, and flexible handle middle part is hinged on fixed handle by a jointed shaft b; Described piston rodEnd forms the hinge eyes of a bar hole shape, is fixedly connected with a jointed shaft a on flexible handle, jointed shaft a restrictionIn described hinge eyes; Described piston diameter is 3-5 times of piston body diameter; Described flexible handle driven plunger is to piston cylinderRear motion produces negative pressure, and the piston body of caliper moves to pipe joint b end under suction function, and drives jaw by connecting rodJoint face is recessed to support ring, thereby drives three jaws to draw close and be contraction state to jaw joint face center.
Described caliper is by elastic caoutchouc or integrally moulded, easy to process, and production cost is low, and smooth surface is without burrOr pointed end, the sense of discomfort that tracheae is produced and damage are small; Described piston body is moved to piston cylinder direction by negative pressure drivingThereby drive jaw joint face indent, jaw joint face then drives three jaws to do and clamps action to clamp foreign matter; Described negativePress and make piston move acquisition after piston cylinder by the flexible handle of holding with a firm grip, easy to operate; Described through hole makes piston body on the one handBoth sides can produce pressure differential and be beneficial to piston body and move, and a small amount of hydrops that foreign matter stuck position may exist on the other hand can be from logicalHole sucks in the space between jaw joint face and piston body; Described reinforcing panel and embedded pipe make caliper have enough machinesTool intensity and jaw joint face position can have good elasticity, ensures that jaw can effectively and firmly clamp foreign matter. InstituteThe diameter of stating connecting rod is the 1/10-1/5 of support ring internal diameter, and connecting rod can ensure to be connected firmly with jaw joint face like this, simultaneouslyThe deformation quantity that can guarantee again jaw joint face is larger, makes jaw can clamp better foreign matter. Described piston diameter is piston bodyThe 3-5 of diameter doubly; The shorter distance of flexible handle of so only need to holding with a firm grip just can make piston body be subject to larger negative pressure.
A kind of trachea foreign body forceps caliper, described caliper is by having flexible rubber or integrally moulded, described caliperStructurally by the jaw joint face of the support ring of the pipe joint b of tubular, tubular, spheric and three jaws successivelyBody connects and composes; The external diameter of described support ring is greater than the external diameter of pipe joint b, described tube connector outer surface and support ring outer surfaceConcordant; Described jaw joint face is outwardly, and three jaws are evenly connected on the outer surface of jaw joint face and three foldersPawl is on a circumference, and the inner surface of described jaw forms clip tooth; In described pipe joint b and support ring, be jointly embeddedThere is the embedded pipe of a hard, in described jaw, be embedded with the reinforcing panel of hard; Described pipe joint b inwall is slidably connectedHave a piston body, between piston body and the center of jaw joint face, be connected with a connecting rod, the diameter of connecting rod is in support ringThe 1/10-1/5 in footpath; On described jaw joint face, evenly offer through hole, through hole is circumference array and distributes centered by connecting rod;The piston body of caliper moves to pipe joint b end under suction function, and drives jaw joint face in support ring by connecting rodRecessed, thus drive three jaws to draw close and be contraction state to jaw joint face center.
Described caliper is by elastic caoutchouc or integrally moulded, easy to process, and production cost is low, and smooth surface is without burrOr pointed end, the sense of discomfort that tracheae is produced and damage are small; Described piston body is moved to piston cylinder direction by negative pressure drivingThereby drive jaw joint face indent, jaw joint face then drives three jaws to do and clamps action to clamp foreign matter; DescribedThrough hole on the one hand makes piston body both sides produce pressure differential and is beneficial to piston body and moves, and foreign matter stuck position may be deposited on the other handA small amount of hydrops can suck from through hole in the space between jaw joint face and piston body; Described reinforcing panel and embedded pipeMake caliper there is enough mechanical strengths and jaw joint face position can have good elasticity, ensure jaw can be effectively andFirmly clamp foreign matter. The diameter of described connecting rod is the 1/10-1/5 of support ring internal diameter, and connecting rod can ensure to connect with jaw like thisJunction is connected firmly, and can guarantee that again the deformation quantity of jaw joint face is larger simultaneously, makes jaw can clamp better foreign matter.
Brief description of the drawings
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 parts.
Fig. 5, Fig. 6 are the sectional structure schematic diagrames of embodiment 1,2 caliper parts.
Fig. 7 is the structural representation of embodiment 3,4 caliper parts.
Fig. 8, Fig. 9 are the sectional structure schematic diagrames of embodiment 3,4 caliper parts.
1, pneumatic control handle; 11, piston cylinder; 111, pipe joint a; 12, piston rod; 121, hinge eyes; 13, movable handHandle; 14, fixed handle; 131, jointed shaft a; 132, jointed shaft b; 2, tube connector; 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, reinforce panel; 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, pneumatic control handThe tube connector 2 of handle 1 and the gentle moving joystick of connection caliper; Described caliper is by having flexible rubber or plastics one becomesType, described caliper is structurally by the pipe joint b30 of tubular, the support ring 31 of tubular, the jaw joint face 32 of sphericAnd three jaws 33 successively one connect and compose; The external diameter of described support ring is greater than the external diameter of pipe joint b, described tube connector2 are connected with the outer wall interference fit of pipe joint b; Described jaw joint face is outwardly, and three jaws are evenly connected to jawOn the outer surface of joint face and three jaws be on a circumference, the diameter of described annular rib is the 1/2-of support ring internal diameter2/3; The inner surface of described jaw forms clip tooth 331; In described pipe joint b and support ring, be jointly embedded with a hardEmbedded pipe 34, in described jaw, be embedded with the reinforcing panel 332 of hard; The inner surface middle part moulding of described jaw joint faceHave an annular rib 321, annular rib equates with three residing circle diameters of jaw; Described pneumatic control handle comprisesThe piston that has a piston cylinder 11 and coordinate with piston cylinder, is connected with end and extend out to the piston rod outside piston cylinder on piston12, piston cylinder front end is connected with a pipe joint a111 who is connected with described tube connector; Piston cylinder lateral wall is fixedBe connected with a fixed handle 14, piston rod end is hinged with a flexible handle 13, and flexible handle middle part is hinged by oneAxle b132 is hinged on fixed handle; The end of described piston rod forms the hinge eyes 121 of a bar hole shape, movable handOn handle, be fixedly connected with a jointed shaft a131, jointed shaft a is limited in described hinge eyes. Described flexible handle driven plungerProduce negative pressure to piston cylinder rear motion, the jaw joint face of caliper is recessed to support ring under suction function, thereby drivesThree jaws are drawn close and are contraction state to jaw joint face center.
When use, airway wall is stretched near position intratracheal foreign body together with caliper and tube connector, observes by airway wall,Make jaw aim at foreign matter; Rotate the jointed shaft a on flexible handle towards fixed handle direction by pressing described flexible handle bottomThe moving piston rod of coordination hinge endless belt moves to piston cylinder rear, thereby makes to produce negative pressure in piston cylinder, by tube connector and pistonIn the caliper that cylinder is connected, be also negative pressure state, described jaw joint face inwardly concaves under suction function, thereby drives threeThereby individual jaw is done to clamp action foreign matter is clamped, and flexible handle keeps holding with a firm grip state, and caliper is drawn out to gas together with tube connectorPipe is outer.
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 bulletThe rubber of property or integrally moulded, described caliper is structurally by pipe joint b, the support ring of tubular, the sphere of tubularThe jaw joint face of shape and three jaws successively one connect and compose; The external diameter of described support ring is greater than the external diameter of pipe joint b,Described jaw joint face is outwardly, and three jaws are evenly connected on the outer surface of jaw joint face and three jaws are inOn a circumference, the inner surface of described jaw forms clip tooth; In described pipe joint b and support ring, be jointly embedded with oneThe embedded pipe of hard, is embedded with the reinforcing panel of hard in described jaw; The inner surface middle part moulding of described jaw joint faceHave an annular rib, annular rib equates with three residing circle diameters of jaw, and the diameter of described annular rib is for supportingThe 1/2-2/3 of ring internal diameter; The jaw joint face of caliper is recessed to support ring under the suction function of pipe joint b mono-side, therebyDrive three jaws to draw close and be contraction state to jaw joint face center.
Embodiment 3
Shown in Fig. 1, Fig. 2, Fig. 7, Fig. 8 and Fig. 9, a kind of trachea foreign body forceps described in the present embodiment, includes caliper3, the tube connector 2 of pneumatic control handle 1 and the gentle moving joystick of connection caliper; Described caliper is by having flexible rubberOr integrally moulded, described caliper is structurally by the support ring 31 of the pipe joint b30 of tubular, tubular, sphericJaw joint face 32 and three jaws 33 successively one connect and compose; The external diameter of described support ring is greater than the external diameter of pipe joint b,Described tube connector 2 is connected with the outer wall interference fit of pipe joint b; Described jaw joint face is outwardly, and three jaws are equalOn the even outer surface that is connected to jaw joint face and three jaws be on a circumference, the inner surface of described jaw forms folderTooth 331; The embedded pipe 34 that is jointly embedded with a hard in described pipe joint b and support ring, is embedded in described jawThere is the reinforcing panel 332 of hard; Described pipe joint b inwall slidably connects a piston body 36, and piston body is connected with jawBetween Mian center, be connected with a connecting rod 35; The diameter of connecting rod is the 1/10-1/5 of support ring internal diameter; Described jaw connectsOn face, evenly offer through hole 322, through hole is circumference array and distributes centered by connecting rod; Described pneumatic control handle includesA piston cylinder 11 and the piston coordinating with piston cylinder, be connected with end and extend out to the piston rod 12 outside piston cylinder on piston,Piston cylinder front end is connected with a pipe joint a111 who is connected with described tube connector; Piston cylinder lateral wall is fixedly connected withHave a fixed handle 14, piston rod end is hinged with a flexible handle 13, and flexible handle middle part is by a jointed shaftB132 is hinged on fixed handle; The end of described piston rod forms the hinge eyes 121 of a bar hole shape, flexible handleOn be fixedly connected with a jointed shaft a131, jointed shaft a is limited in described hinge eyes. Described piston diameter is piston body diameter3-5 doubly; Described flexible handle driven plunger produces negative pressure to piston cylinder rear motion, and the piston body of caliper is at suction functionLower to pipe joint b end motion, and drives jaw joint face to be recessed to support ring by connecting rod, thus three jaws of drive toJaw joint face center is drawn close and is contraction state.
When use, airway wall is stretched near position intratracheal foreign body together with caliper and tube connector, observes by airway wall,Make jaw aim at foreign matter; Rotate the jointed shaft a on flexible handle towards fixed handle direction by pressing described flexible handle bottomThe moving piston rod of coordination hinge endless belt moves to piston cylinder rear, thereby makes to produce negative pressure in piston cylinder, by tube connector and pistonIn the caliper that cylinder is connected, be also negative pressure state, described piston body moves to piston cylinder direction under suction function, thus bandMoving jaw joint face indent, clamps foreign matter thereby jaw joint face drives three jaws to do to clamp action then flexible handleKeep holding with a firm grip state, caliper is drawn out to tracheae outward together with tube connector.
Embodiment 3 compares with embodiment 1, owing to being provided with piston body, pulls rib to connect by piston body drive linkJunction motion, strictly can ensure better that rib joint face drives each support rod time keeps synchronous, when gripping foreign matter moreReliable and stable.
Embodiment 4
Shown in Fig. 7, Fig. 8 and Fig. 9, a kind of trachea foreign body forceps caliper described in the present embodiment, includes caliper 3, gasThe tube connector 2 of moving joystick 1 and the gentle moving joystick of connection caliper; Described caliper is by having flexible rubber or mouldingExpect one-body moldedly, described caliper is structurally by the pipe joint b30 of tubular, the support ring 31 of tubular, the jaw of sphericJoint face 32 and three jaws 33 successively one connect and compose; The external diameter of described support ring is greater than the external diameter of pipe joint b, described inTube connector 2 be connected with the outer wall interference fit of pipe joint b; Described jaw joint face is outwardly, and three jaws evenly connectBe connected on the outer surface of jaw joint face and three jaws are on a circumference, the inner surface of described jaw forms clip tooth331; The embedded pipe 34 that is jointly embedded with a hard in described pipe joint b and support ring, is embedded with in described jawThe reinforcing panel 332 of hard; Described pipe joint b inwall slidably connects a piston body 36, piston body and jaw joint faceCenter between be connected with a connecting rod 35; The diameter of connecting rod is the 1/10-1/5 of support ring internal diameter; Described jaw joint faceOn evenly offer through hole 322, through hole centered by connecting rod, be circumference array distribute.
Claims (1)
1. a trachea foreign body forceps, is characterized in that: include caliper, pneumatic control handle and the gentle moving control of connection caliperThe tube connector of handle; Described caliper is by having flexible rubber or integrally moulded, and described caliper is structurally by pipeThe jaw joint face of the pipe joint b of shape, the support ring of tubular, spheric and three jaws successively one connect and compose; InstituteThe external diameter of stating support ring is greater than the external diameter of pipe joint b, and described tube connector is connected with the outer wall interference fit of pipe joint b; DescribedJaw joint face outwardly, three jaws are evenly connected on the outer surface of jaw joint face and three jaws are in oneOn circumference, the inner surface of described jaw forms clip tooth; In described pipe joint b and support ring, be jointly embedded with a hardEmbedded pipe, in described jaw, be embedded with the reinforcing panel of hard; The inner surface middle part of described jaw joint face forms oneIndividual annular rib, annular rib equates with three residing circle diameters of jaw, the diameter of described annular rib is in support ringThe 1/2-2/3 in footpath; The piston that described pneumatic control handle includes a piston cylinder and coordinates with piston cylinder, connects on pistonBe connected to end and extend out to the piston rod outside piston cylinder, piston cylinder front end is connected with one and is connected with described tube connectorPipe joint a; Piston cylinder lateral wall is fixedly connected with a fixed handle, and piston rod end is hinged with a flexible handle, activityHandle middle part is hinged on fixed handle by a jointed shaft b; The end of described piston rod forms a bar hole shapeHinge eyes, on flexible handle, be fixedly connected with a jointed shaft a, jointed shaft a is limited in described hinge eyes; Described activityHandle drives piston to piston cylinder rear motion produce negative pressure, the jaw joint face of caliper under suction function to support ring indentEnter, thereby drive three jaws to draw close and be contraction state to jaw joint face center.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979363.9A CN105615961B (en) | 2014-08-04 | 2014-08-04 | A kind of trachea foreign body forceps caliper |
| CN201410379921.3A CN104107083B (en) | 2014-08-04 | 2014-08-04 | A kind of trachea foreign body forceps and caliper |
| CN201510974396.4A CN105559863B (en) | 2014-08-04 | 2014-08-04 | A kind of trachea foreign body forceps |
| CN201510980141.9A CN105434012B (en) | 2014-08-04 | 2014-08-04 | A kind of trachea foreign body forceps caliper structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410379921.3A CN104107083B (en) | 2014-08-04 | 2014-08-04 | A kind of trachea foreign body forceps and caliper |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510974396.4A Division CN105559863B (en) | 2014-08-04 | 2014-08-04 | A kind of trachea foreign body forceps |
| CN201510980141.9A Division CN105434012B (en) | 2014-08-04 | 2014-08-04 | A kind of trachea foreign body forceps caliper structure |
| CN201510979363.9A Division CN105615961B (en) | 2014-08-04 | 2014-08-04 | A kind of trachea foreign body forceps caliper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104107083A CN104107083A (en) | 2014-10-22 |
| CN104107083B true CN104107083B (en) | 2016-05-18 |
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| CN201510974396.4A Expired - Fee Related 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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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 Expired - Fee Related 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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| CN (4) | CN105434012B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105832388B (en) * | 2014-12-14 | 2018-03-20 | 李河圣 | A kind of caliper of medical foreign matter net pincers |
| CN105997207B (en) * | 2014-12-14 | 2018-02-23 | 栾雷 | A kind of surgical operation is clamped with foreign matter net |
| CN106073867B (en) * | 2014-12-14 | 2018-10-23 | 李峰 | A kind of surgical operation foreign matter 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 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5643283A (en) * | 1992-01-03 | 1997-07-01 | Younker; Marlin E. | Surgical pouch |
| DE4320815A1 (en) * | 1993-06-23 | 1995-01-19 | Christian Kossack | Device for the removal of smooth-surface, spheroidal objects from the trachea (windpipe) |
| US6090129A (en) * | 1996-06-11 | 2000-07-18 | Asahi Kogaku Kogyo Kabushiki Kaisha | Treatment accessory for endoscope |
| CN2295458Y (en) * | 1997-05-15 | 1998-10-28 | 韦章庆 | Instrument for fetching urinary calculus |
| US6358268B1 (en) * | 2000-03-06 | 2002-03-19 | Robert B. Hunt | Surgical instrument |
| DE102006016002A1 (en) * | 2006-03-30 | 2007-10-04 | Karl Storz Gmbh & Co. Kg | Apparatus for performing examinations and surgical procedures on the uterus |
| US20080269774A1 (en) * | 2006-10-26 | 2008-10-30 | Chestnut Medical Technologies, Inc. | Intracorporeal Grasping Device |
| US8066717B2 (en) * | 2007-03-19 | 2011-11-29 | Restoration Robotics, Inc. | Device and method for harvesting and implanting follicular units |
| CN201260678Y (en) * | 2008-10-07 | 2009-06-24 | 周武元 | Tumor extractor |
| CN201328870Y (en) * | 2009-01-05 | 2009-10-21 | 解庆丽 | Negative pressure tracheae foreign body taking forceps |
| US8696683B2 (en) * | 2009-09-24 | 2014-04-15 | Francis Edward Levert | Apparatus for removing an object from a lumen |
| CN201631347U (en) * | 2010-02-25 | 2010-11-17 | 杭州康基医疗器械有限公司 | Hard foreign body forceps |
| CN201870705U (en) * | 2010-11-12 | 2011-06-22 | 韩建凤 | Foreign matter removal device |
| CN202015228U (en) * | 2011-01-31 | 2011-10-26 | 杭州康基医疗器械有限公司 | Bi-directionally bendable tooth-free forceps |
| US20120203270A1 (en) * | 2011-02-04 | 2012-08-09 | Yuanyu Chen | Flexural laparascopic grasper |
| CN202161386U (en) * | 2011-07-18 | 2012-03-14 | 河南中医学院 | Negative-pressure absorber for foreign matters in ear, nose and throat |
| US20130144308A1 (en) * | 2011-12-06 | 2013-06-06 | Diana Forrest | Blackhead and Blemish Extractor |
| CN202437314U (en) * | 2012-02-24 | 2012-09-19 | 倪萍 | Foreign body forceps for emergency patients |
| CN202505431U (en) * | 2012-04-01 | 2012-10-31 | 烟台毓璜顶医院 | Vocal cord polyp appliance used with fiber optic laryngoscope in matched manner |
| CN202665660U (en) * | 2012-06-09 | 2013-01-16 | 吴基林 | Vacuum aspiration type tracheal foreign body forceps |
| CN103622731B (en) * | 2012-08-29 | 2015-11-11 | 陈宏涛 | Taper device for removing foreign body in trachea |
| CN102973306B (en) * | 2012-11-27 | 2015-12-23 | 上海交通大学 | Active stone micro-gripper |
| CN203138647U (en) * | 2013-04-16 | 2013-08-21 | 丽水市人民医院 | Bronchoscope foreign matter forceps |
-
2014
- 2014-08-04 CN CN201510980141.9A patent/CN105434012B/en not_active Expired - Fee Related
- 2014-08-04 CN CN201410379921.3A patent/CN104107083B/en not_active Expired - Fee Related
- 2014-08-04 CN CN201510974396.4A patent/CN105559863B/en not_active Expired - Fee Related
- 2014-08-04 CN CN201510979363.9A patent/CN105615961B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105434012A (en) | 2016-03-30 |
| CN104107083A (en) | 2014-10-22 |
| CN105559863B (en) | 2017-08-11 |
| CN105559863A (en) | 2016-05-11 |
| CN105615961A (en) | 2016-06-01 |
| CN105615961B (en) | 2017-12-22 |
| CN105434012B (en) | 2017-07-18 |
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