CN203749893U

CN203749893U - Syringe for endoscope

Info

Publication number: CN203749893U
Application number: CN201420126942.XU
Authority: CN
Inventors: 任辉; 任峥; 徐艳霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-03-18
Filing date: 2014-03-18
Publication date: 2014-08-06
Anticipated expiration: 2024-03-18

Abstract

The utility model relates to medical equipment for endoscopic surgeries, in particular to a syringe for an endoscope. The syringe comprises a machine head, a machine body, a movable rod, a fixed rod, a sleeve core and a syringe needle. The machine head and the machine body are in threaded connection; the front end of the sleeve core is connected with the inside of a needle tail of the syringe needle in a sleeved mode; a needle outlet hole is formed in the position, corresponding to the syringe needle, of the machine head; the movable rod is hinged to the machine body through a hinge; the tail end of the sleeve core is provided with an outer port so that the sleeve core can be externally connected with common syringes of various specifications; the movable rod is connected with a plane on the outer side of a pin tumbler of the machine body, and the sleeve core is provided with a groove matched with the pin tumbler; a spring is arranged on the lower portion of the pin tumbler; a hinge is disposed on the connection portion of the movable rod and the sleeve core; a tubular cavity is formed in the sleeve core in a through mode. When the syringe is used, the movable rod is operated, the far end of the movable rod drives the sleeve core to move forward when the movable rod moves in the direction of the fixed rod, the syringe needle extends out of the needle outlet hole of the machine head, and accordingly target tissue can be punctured.

Description

Chamber mirror syringe

Technical field

This utility model belongs to medical instruments field, relates to a kind of endoscope-assistant surgery medical apparatus and instruments, is a kind of chamber mirror syringe specifically.

Background technology

In endoscope-assistant surgery, often need to use syringe, as extracted cyst content, in biliary surgery, find common bile duct etc.General syringe for endoscope-assistant surgery exist length not, the problem such as bore do not match, injection or extracted amount are difficult to control, syringe needle easily comes off.Prior art is mentioned the chamber mirror special syringe that syringe needle pipe box is fixed together, and containing mark is marked on propeller, but exists syringe needle non-exchange, and cost is high, and scale is difficult for the problem such as observation, and medical worker's difficulty that operates is larger.

Utility model content

The standby detachable sleeving core of this instrument used for injection, is convenient to cleaning and sterilizing, and this sleeving core also can be replaced by Dispoable medical macromolecular material, more meets the application requirements of current clinical medicine.Convenient to operation, reduce operation risk, improve operation efficiency, reduce operation cost.

This utility model is non-exchange for solving syringe needle, and cost is high, and scale is difficult for the technical problems such as observation, and a kind of chamber mirror syringe is provided, and comprises head, fuselage, motion bar, fixed bar, sleeving core, syringe needle; Described head, fuselage is threaded connection, and head has female thread, has corresponding external screw thread on fuselage; Described sleeving core front end sleeve is connected in the backshank of syringe needle; There is needle outlet the position of the corresponding syringe needle of described head; Described motion bar is connected by hinge with fuselage; The tail end of described sleeving core has external tapping, conventional syringe that can external all size; Described motion bar is connected to the outer side plane of fuselage hoodle; Described sleeving core is fluted to coincide with hoodle; There is spring described hoodle below, and one end is connected with described hoodle, and one end is connected with motion bar; Described motion bar and sleeving core connecting portion have hinge; In described sleeving core, be penetrated with tube chamber.

Further, described chamber mirror also comprises secure latch with syringe, hinged with fuselage.Secure latch can ride on motion bar, can stop and in operation, pull motion bar by mistake.

Further, head inwall has narrow annular guide channel, and its outward flange and described head inwall fit, and inner edges matches with the syringe needle of inserting this guide channel, and guiding syringe needle stretches out from the needle outlet of head end.

Further, described fuselage 2 longitudinal extent are 30cm-35cm.

Further, described head 1 diameter is 0.5cm-1cm.

When use, operant activity bar, when motion bar moves to fixed bar direction, because hinge 7 is fixed on fuselage, the adverse movement of motion bar far-end, drives sleeving core to travel forward, and syringe needle is stretched out from head needle outlet place, and then the destination organization that can puncture.

The beneficial effects of the utility model are:

1. head is detachable, is fixed on fuselage with screw thread, and head is pulled down the syringe needle of rear replaceable different model, and syringe needle is inserted in the sleeving core end in fuselage.

2. can load and unload sleeving core: back out head, pull up syringe needle, slightly firmly extract sleeving core out from afterbody, contrary order can installation sleeve tube core, match and be connected with groove because sleeving core and fuselage have hoodle, therefore plug is all convenient, the square aperture of afterbody and the sleeving core afterbody structure that is square, be the turnover direction of guide bushings core, prevent from rolling to such an extent as to cannot make accurately location and the design of hoodle and groove position.

3. secure latch upwards may be stuck on motion bar, the activity of restraint bar, and pulling can operant activity bar after lower, can prevent from, in the time using apparatus, pulling motion bar by mistake, and syringe needle is stretched out, and accidentally injures histoorgan.

4. guide channel is narrow ring-type, can guide syringe needle to stretch out from the needle outlet of head end, also can stop backshank, the length that restriction syringe needle stretches out.

5. sleeving core has convention amount, calculates the capacity of extraction or injecting fluid when use as need, can extrapolate target liq amount by the inner capacities of the scale plus-minus sleeving core of external syringe.

6. syringe needle is replaceable disposable aspiration needle, can use the ordinary syringe syringe needle of all size, can meet the operation needs under different situations.

Brief description of the drawings

By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of this utility model will become apparent and easily understand.

Fig. 1 is structural representation of the present utility model;

Fig. 2 is handpiece structure schematic diagram of the present utility model;

Fig. 3 is sleeving core top view of the present utility model;

Fig. 4 is that A of the present utility model is to cutaway view;

Fig. 5 is that B of the present utility model is to cutaway view;

1 head, 2 fuselages, 3 motion bars, 4 fixed bars, 5 sleeving cores, 6 secure latch, 7 hinges, 8 screw threads, 9 syringe needles, 10 guide channels, 11 needle outlets, 12 backshanks, 13 grooves, 14 external tappings, 15 hoodles, 16 springs, 17 tube chambers in figure.

Detailed description of the invention

A kind of chamber mirror syringe, comprises head 1, fuselage 2, motion bar 3, fixed bar 4, sleeving core 5, syringe needle 9; Described head 1, fuselage 2 connects by screw thread 8, and head 1 has female thread, has corresponding external screw thread on fuselage 2; Described sleeving core 5 front end sleeves are connected in the backshank 12 of syringe needle 9; There is needle outlet 11 position of the corresponding syringe needle 9 of described head 1; Described motion bar 3 is connected by hinge 7 with fuselage 2; The tail end of described sleeving core 5 has external tapping 14, conventional syringe that can external various models; Described motion bar 3 is connected to the outer side plane of fuselage hoodle 15, and described sleeving core 5 fluted 13 coincide with hoodle 15; There is spring 16 described hoodle 15 belows, and one end is connected with described hoodle 15, and one end is connected with motion bar 3; Described motion bar 3 has hinge with sleeving core 5 connecting portions; In described sleeving core 5, be penetrated with tube chamber 17.Described chamber mirror also comprises secure latch 6 with syringe, hinged with fuselage 2.Secure latch can ride on motion bar 3, can stop and in operation, pull motion bar 3 by mistake.Head 1 inwall has annular stricture, i.e. guide channel (guide channel) 10.Described fuselage 2 longitudinal extent are 30cm-35cm.Described head 1 diameter is 0.5cm-1cm.

Below this utility model is described in detail, the above is only the preferred embodiment of this utility model, when not limiting the scope of the present invention, be allly to do impartial change and modify according to the application's scope, all should still belong in this utility model covering scope.

Claims

1. a chamber mirror syringe, is characterized in that: comprise head (1), fuselage (2), motion bar (3), fixed bar (4), sleeving core (5), syringe needle (9); Described head (1), fuselage (2) connects by screw thread (8), and head (1) has female thread, and fuselage has corresponding external screw thread on (2); Described sleeving core (5) front end sleeve is connected in the backshank (12) of syringe needle (9); There is needle outlet (11) position of the corresponding syringe needle of described head (1) (9); Described motion bar (3) is connected by hinge (7) with fuselage (2); The tail end of described sleeving core (5) has external tapping (14), the conventional syringe of external all size; Described motion bar (3) is connected to the outer side plane of fuselage hoodle (15); Described sleeving core (5) fluted (13) coincide with described hoodle (15); There is spring (16) described hoodle (15) below, and one end is connected with described hoodle (15), and one end is connected with motion bar (3); Described motion bar (3) has hinge with sleeving core (5) connecting portion; In described sleeving core (5), be penetrated with tube chamber (17).

2. chamber as claimed in claim 1 mirror syringe, is characterized in that: described chamber mirror syringe also comprises secure latch (6), hinged with fuselage (2), rides on motion bar (3) when use.

3. chamber as claimed in claim 1 or 2 mirror syringe, it is characterized in that: head (1) inwall has ring-type guide channel (10), its outward flange and described head (1) inwall fit, inner edges matches with the syringe needle of inserting this guide channel, and guiding syringe needle stretches out from the needle outlet (11) of head end.

4. chamber as claimed in claim 1 mirror syringe, is characterized in that: described fuselage (2) longitudinal extent is 30cm-35cm.

5. chamber as claimed in claim 1 mirror syringe, is characterized in that: described head (1) diameter is 0.5cm-1cm.