CN105615963A - Head of pneumatic foreign body forceps - Google Patents

Head of pneumatic foreign body forceps Download PDF

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Publication number
CN105615963A
CN105615963A CN201610135828.7A CN201610135828A CN105615963A CN 105615963 A CN105615963 A CN 105615963A CN 201610135828 A CN201610135828 A CN 201610135828A CN 105615963 A CN105615963 A CN 105615963A
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CN
China
Prior art keywords
chela
concave surface
bulb
head
connecting 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.)
Granted
Application number
CN201610135828.7A
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Chinese (zh)
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CN105615963B (en
Inventor
李峰
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Han Yanhua
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Individual
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Priority to CN201610135828.7A priority Critical patent/CN105615963B/en
Publication of CN105615963A publication Critical patent/CN105615963A/en
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Publication of CN105615963B publication Critical patent/CN105615963B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A61B17/24—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
    • A61B17/28—Surgical forceps
    • 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
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B17/2909—Handles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
    • A61B2017/00544—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated pneumatically
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • 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
    • A61B2017/2911—Handles rings
    • 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 head of pneumatic foreign body forceps. The head comprises a connector, a bulb and a plurality of claws, and the connector, the bulb and the claws are formed integrally. The bulb is in a hollow structure and communicated with the connector, and the connector is fittingly connected with a connection tube. A concave surface in an internally recessed spherical shape is formed on the bulb, a 135-degree included angle is formed between a radius direction of a center point of the concave surface and a length direction of the connector, and the claws in a circumferential array are connected to the outer periphery of the concave surface. At least the concave surface of the head is made of an elastic material and outwardly bulges under the action of air pressure to drive the claws to open. Foreign body slipping probability is low when the pneumatic foreign body forceps are used or clamping foreign bodies, and the foreign bodies can be taken out quickly to alleviate pains for patients.

Description

The pincers head of a kind of pneumatic type foreign body forceps
Present patent application is point case application of following patent application:
Name of patent application: pneumatic type foreign body forceps
Number of patent application: 201410484335.5
The applying date: 2014.09.21.
Technical field
The invention belongs to medical instruments field, it is specifically related to a kind of foreign body forceps structure.
Background technology
The foreign body forceps of prior art is all metal material, repeatedly uses after cleaning and sterilizing, but the chela position of foreign body forceps is usually that articulated form is connected with clamping head main body, there is dead angle in link position, it is difficult to thoroughly clean totally, there is infection risk when reusing, it may also be useful to effect is undesirable. And if the foreign body forceps single use cost of metal material is too high and waste resource. The name that applicant applied on August 4th, 2014 is called: a kind of tracheae foreign body forceps and pincers head, application number is: the patent application of 2014103799213 solves the problems referred to above, so the pincers head of this kind of foreign body forceps chela when gripping foreign matter opens in the front of pincers head, in the process of the foreign matter of some smooth surface of gripping, foreign matter can be pushed away forward by chela, not only can't clip foreign matter, foreign matter also can be made to slip into darker position; Or when foreign matter is less, foreign matter is in the outside of chela, presss from both sides less than foreign matter inside chela, therefore this kind of foreign body forceps can not meet the needs capturing various foreign matter.
Summary of the invention
Technical problem to be solved by this invention is: the deficiency existed for prior art, it is provided that a kind of novel structure, it is possible to more convenient laborsaving be directed at quickly and capture the pincers head of the pneumatic type foreign body forceps of foreign matter.
For realizing the object of the present invention, it is achieved by the following technical solutions: the pincers head of a kind of pneumatic type foreign body forceps, includes integrated connecting joint, bulb and multiple chela; Described bulb is hollow structure, and bulb is connected with connecting joint, and connecting joint and described pipe connecting are connected; Forming the concave surface of an indent spherical shape on described bulb, form the angle of 135 �� between the radius direction of concave surface central point and the length direction of connecting joint, described multiple chela is connected to the periphery of concave surface with circumference array; The concave surface of described pincers head is resilient material, and pincers head other parts are mechanically resistant material; Described concave surface drives each chela to open when outwards heaving under air pressure effect, after concave surface loses air pressure promotion and resets, and the space that foreign matter is enclosed between concave surface and each chela by chela reset; Described pincers head is secondary injection molding or adopts 3D to print mode to process, and the concave part of pincers head is divided into and has elastic rubber or plastics, and pincers head rest part is rigid plastics or rubber.
Curved in the longitudinal direction of the outside surface of described chela, described chela outer surface is between the scope of bulb place sphere.
Described connecting joint outside surface circumferentially forms multiple anti-de-convex tendon.
Compared with prior art, the invention has the beneficial effects as follows: the angle forming 135 �� between the radius direction of concave surface central point and the length direction of connecting joint, such chela the aft opening opened towards pincers side, head front, after confirming foreign matter position, by rotate pneumatic control handle strip be dynamically connected pipe drive pincers head rotate, make concave surface position alignment foreign matter (between concave surface and foreign matter the reserved distance being a bit larger tham chela length), the piston rod generation air pressure pressing pneumatic control handle drives concave surface to bulge, drive chela open and further near foreign matter, stretch to after exceeding foreign matter present position to the chela near pincers head forward portion, the piston rod unclamping pneumatic control handle cancels air pressure, concave surface resets together with chela, so foreign matter is scratched in the space that concave surface and each chela surround by chela toward pipe connecting direction. during this foreign body forceps gripping foreign matter, the probability of foreign matter generation slippage is low, is beneficial to and takes out foreign matter fast, reduces patient painful. curved in the longitudinal direction of the outside surface of described chela, described chela outer surface is between the scope of bulb place sphere. clamp head integral surface so smooth, it is beneficial to pincers head and pipe connecting stretches into and in-vivo tissue can not be caused scratch in tracheae or esophagus. described connecting joint outside surface circumferentially forms multiple anti-de-convex tendon. anti-de-convex tendon makes connecting joint and pipe connecting be connected firmly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of pneumatic control handle.
Fig. 3 is the structural representation of pincers head.
Fig. 4 is the sectional structure schematic diagram of pincers head.
Fig. 5 is the position structural representation of chela on concave surface of pincers head.
1, head is clamped; 11, connecting joint; 111, anti-de-convex tendon; 12, bulb; 13, concave surface; 14, chela; 2, pipe connecting; 3, pneumatic control handle; 31, tube stub; 32, piston barrel; 33, draw ring; 34, piston rod; 35, throw-out collar.
Embodiment
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. 4, a kind of pneumatic type foreign body forceps described in the present embodiment, includes pincers 1, the pipe connecting 2 of pneumatic control handle 3 and connection clamp head and pneumatic pilot lever; The piston that described pneumatic control handle includes a piston barrel 32 and coordinates with piston barrel, piston is connected with the piston rod 34 that end extend out to outside piston barrel, piston barrel front end is connected with a tube stub 31 being connected with described pipe connecting, piston barrel is connected with two draw rings 33 near the outer wall of rearward end, and piston rod rear end is connected with a throw-out collar 35; Described pincers 1 include integrated connecting joint 11, bulb 12 and multiple chela 14; Described bulb is hollow structure, and bulb is connected with connecting joint, and connecting joint and described pipe connecting are connected; Forming the concave surface 13 of an indent spherical shape on described bulb, form the angle of 135 �� between the radius direction of concave surface central point and the length direction of connecting joint, described multiple chela is connected to the periphery of concave surface with circumference array; The concave surface of described pincers head is resilient material, and pincers head other parts are mechanically resistant material; Described piston rod promotes piston to produce air pressure to piston barrel nose motion, described concave surface drives each chela to open when outwards heaving under air pressure effect, piston reset after crawl foreign matter, concave surface loses air pressure and promotes and reset, the space that foreign matter is enclosed between concave surface and each chela by chela reset. Described pincers head is secondary injection molding or adopts 3D to print mode to process, and the concave part of pincers head is divided into and has elastic rubber or plastics, and pincers head rest part is rigid plastics or rubber.
Curved in the longitudinal direction of the outside surface of described chela, described chela outer surface is between the scope of bulb place sphere. Clamp head integral surface so smooth, it is beneficial to pincers head and pipe connecting stretches into and in-vivo tissue can not be caused scratch in tracheae or esophagus.
Described connecting joint 11 outside surface circumferentially forms multiple anti-de-convex tendon 111. Anti-de-convex tendon makes connecting joint and pipe connecting be connected firmly.
When this foreign body forceps uses, after confirming foreign matter position by airway wall or gastroscope etc., by rotate pneumatic control handle strip be dynamically connected pipe drive pincers head rotate, make concave surface position alignment foreign matter (between concave surface and foreign matter the reserved distance being a bit larger tham chela length), the piston rod generation air pressure pressing pneumatic control handle drives concave surface to bulge, drive chela open and further near foreign matter, stretch to after exceeding foreign matter present position to the chela near pincers head forward portion, the piston rod unclamping pneumatic control handle cancels air pressure, concave surface resets together with chela, so foreign matter is scratched in the space that concave surface and each chela surround by chela toward pipe connecting direction. during this foreign body forceps gripping foreign matter, the probability of foreign matter generation slippage is low, is beneficial to and takes out foreign matter fast, reduces patient painful.
Embodiment 2
Shown in composition graphs 1 to Fig. 4, the pincers head of a kind of pneumatic type foreign body forceps of the present embodiment, includes integrated connecting joint 11, bulb 12 and multiple chela 14; Described bulb is hollow structure, and bulb is connected with connecting joint, and connecting joint and described pipe connecting are connected; Forming the concave surface 13 of an indent spherical shape on described bulb, form the angle of 135 �� between the radius direction of concave surface central point and the length direction of connecting joint, described multiple chela is connected to the periphery of concave surface with circumference array; The concave surface of described pincers head is resilient material, and pincers head other parts are mechanically resistant material; Described concave surface drives each chela to open when outwards heaving under air pressure effect, after concave surface loses air pressure promotion and resets, and the space that foreign matter is enclosed between concave surface and each chela by chela reset; Described pincers head is secondary injection molding or adopts 3D to print mode to process, and the concave part of pincers head is divided into and has elastic rubber or plastics, and pincers head rest part is rigid plastics or rubber,
Curved in the longitudinal direction of the outside surface of described chela, described chela outer surface is between the scope of bulb place sphere. Clamp head integral surface so smooth, it is beneficial to pincers head and pipe connecting stretches into and in-vivo tissue can not be caused scratch in tracheae or esophagus.
Described connecting joint 11 outside surface circumferentially forms multiple anti-de-convex tendon 111. Anti-de-convex tendon makes connecting joint and pipe connecting be connected firmly.
Embodiment 3
According to, shown in Fig. 1 to Fig. 5, a kind of surgical operation foreign body forceps described in the present embodiment, includes pincers 1, the pipe connecting 2 of pneumatic control handle 3 and connection clamp head and pneumatic pilot lever; The piston that described pneumatic control handle includes a piston barrel 32 and coordinates with piston barrel, piston is connected with the piston rod 34 that end extend out to outside piston barrel, piston barrel front end is connected with a tube stub 31 being connected with described pipe connecting, piston barrel is connected with two draw rings 33 near the outer wall of rearward end, and piston rod rear end is connected with a throw-out collar 35; Described pincers 1 include integrated connecting joint 11, bulb 12 and multiple chela 14; Described bulb is hollow structure, and bulb is connected with connecting joint, and connecting joint and described pipe connecting are connected; Described bulb forms the concave surface 13 of an indent spherical shape, the angle of 140 �� is formed between the radius direction of concave surface central point and the length direction of connecting joint, described multiple chela is connected on concave surface with circumference array, and the center of circle Q of circumference residing for each chela is positioned at the side that concave surface center P is partial to connecting joint; Described pincers head is secondary injection molding or adopts 3D to print mode to process, and the concave part of pincers head is divided into and has elastic rubber or plastics, and pincers head rest part is rigid plastics or rubber; Described piston rod promotes piston to produce air pressure to piston barrel nose motion, described concave surface drives each chela to open when outwards heaving under air pressure effect, piston reset after crawl foreign matter, concave surface loses air pressure and promotes and reset, the space that foreign matter is enclosed between concave surface and each chela by chela reset. Curved in the longitudinal direction of the outside surface of described chela, described chela outer surface is between the scope of bulb place sphere; Described connecting joint 11 outside surface circumferentially forms multiple anti-de-convex tendon 111.
The angle of 140 �� is formed between the radius direction of concave surface central point and the length direction of connecting joint, such chela the aft opening opened towards pincers side, head front, after confirming foreign matter position, by rotate pneumatic control handle strip be dynamically connected pipe drive pincers head rotate, make concave surface position alignment foreign matter (between concave surface and foreign matter the reserved distance being a bit larger tham chela length), the piston rod generation air pressure pressing pneumatic control handle drives concave surface to bulge, drive chela open and further near foreign matter, stretch to after exceeding foreign matter present position to the chela near pincers head forward portion, the piston rod unclamping pneumatic control handle cancels air pressure, concave surface resets together with chela, so foreign matter is scratched in the space that concave surface and each chela surround by chela toward pipe connecting direction, in addition, described multiple chela is connected on concave surface with circumference array, and the center of circle Q of circumference residing for each chela is positioned at the side that concave surface center P is partial to connecting joint, like this, chela near connecting joint side is positioned at the edge of concave surface, the amplitude launched when concave surface is heaved is little, and away from the chela of connecting joint side relatively near the center of concave surface, the amplitude launched when concave surface is heaved is big, like this after chela catches foreign matter, foreign matter is stirred by the chela away from connecting joint side toward connecting joint direction, and it is domatic to form one near the chela of connecting joint side, being beneficial to foreign matter is taken within the scope of concave surface and each chela, better ensure pincers head and can once pick up foreign matter after alignment foreign matter, reduce further foreign matter in gripping foreign matter process compared with embodiment 1 and produce displacement, shorten operating time, alleviate the misery of patient.
It should be noted that, chela near connecting joint side can not depart from concave surface scope completely and be fixedly connected with bulb, such chela does not just launch completely when concave surface is heaved, and concave surface certainly will make the spacing between this side chela and concave surface reduce when heaving, it is unfavorable for gripping foreign matter, therefore the chela root near connecting joint side must some be positioned within concave edge, to ensure that chela can launch certain amplitude.
Embodiment 4
According to, shown in Fig. 1 to Fig. 5, a kind of surgical operation foreign body forceps described in the present embodiment clamps head, includes integrated connecting joint 11, bulb 12 and multiple chela 14; Described bulb is hollow structure, and bulb is connected with connecting joint, and connecting joint and described pipe connecting are connected; Described bulb forms the concave surface 13 of an indent spherical shape, the angle of 140 �� is formed between the radius direction of concave surface central point and the length direction of connecting joint, described multiple chela is connected on concave surface with circumference array, and the center of circle Q of circumference residing for each chela is positioned at the side that concave surface center P is partial to connecting joint; Described pincers head is secondary injection molding or adopts 3D to print mode to process, and the concave part of pincers head is divided into and has elastic rubber or plastics, and pincers head rest part is rigid plastics or rubber; Described concave surface drives each chela to open when outwards heaving under air pressure effect, after concave surface loses air pressure promotion and resets, and the space that foreign matter is enclosed between concave surface and each chela by chela reset. Curved in the longitudinal direction of the outside surface of described chela, described chela outer surface is between the scope of bulb place sphere; Described connecting joint 11 outside surface circumferentially forms multiple anti-de-convex tendon 111.

Claims (2)

1. the pincers head of a pneumatic type foreign body forceps, it is characterised in that: include integrated connecting joint, bulb and multiple chela; Described bulb is hollow structure, and bulb is connected with connecting joint, and connecting joint and described pipe connecting are connected; Forming the concave surface of an indent spherical shape on described bulb, form the angle of 135 �� between the radius direction of concave surface central point and the length direction of connecting joint, described multiple chela is connected to the periphery of concave surface with circumference array; The concave surface of described pincers head is resilient material, and pincers head other parts are mechanically resistant material; Described concave surface drives each chela to open when outwards heaving under air pressure effect, after concave surface loses air pressure promotion and resets, and the space that foreign matter is enclosed between concave surface and each chela by chela reset; Described pincers head is secondary injection molding or adopts 3D to print mode to process, and the concave part of pincers head is divided into and has elastic rubber or plastics, and pincers head rest part is rigid plastics or rubber.
2. the pincers head of a kind of pneumatic type foreign body forceps as claimed in claim 1, it is characterised in that: curved in the longitudinal direction of the outside surface of described chela, described chela outer surface is between the scope of bulb place sphere; Described connecting joint outside surface circumferentially forms multiple anti-de-convex tendon.
CN201610135828.7A 2014-09-21 2014-09-21 A kind of binding clip of pneumatic type foreign body forcepses Expired - Fee Related CN105615963B (en)

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CN201610135828.7A CN105615963B (en) 2014-09-21 2014-09-21 A kind of binding clip of pneumatic type foreign body forcepses
CN201410484335.5A CN104207828B (en) 2014-09-21 2014-09-21 Pneumatic type foreign body forceps

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CN201610137636.XA Expired - Fee Related CN105615964B (en) 2014-09-21 2014-09-21 A kind of surgical operation foreign body forcepses
CN201610137780.3A Active CN105596063B (en) 2014-09-21 2014-09-21 A kind of surgical operation foreign body forcepses binding clip
CN201610135828.7A Expired - Fee Related CN105615963B (en) 2014-09-21 2014-09-21 A kind of binding clip of pneumatic type foreign body forcepses

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CN201610137636.XA Expired - Fee Related CN105615964B (en) 2014-09-21 2014-09-21 A kind of surgical operation foreign body forcepses
CN201610137780.3A Active CN105596063B (en) 2014-09-21 2014-09-21 A kind of surgical operation foreign body forcepses binding clip

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CN105596063B (en) 2017-10-31
CN104207828A (en) 2014-12-17
CN105615963B (en) 2017-12-15
CN104207828B (en) 2016-06-01
CN105615964B (en) 2017-10-03
CN105615964A (en) 2016-06-01
CN105596063A (en) 2016-05-25

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