CN201200684Y

CN201200684Y - Long-distance hydraulic control syringe

Info

Publication number: CN201200684Y
Application number: CNU2008200671222U
Authority: CN
Inventors: 王笛乐
Original assignee: Central Hospital of Wuhan
Current assignee: Central Hospital of Wuhan
Priority date: 2008-05-13
Filing date: 2008-05-13
Publication date: 2009-03-04
Anticipated expiration: 2018-05-13

Abstract

The utility model discloses as remote hydraulic control syringe, which comprises a near-end operation part and a far-end operation part, which are connected through a pressure hose and spread with silicon oil on side walls, and have water in cavities. The near-end operation part comprises a manipulator base, an operation cylinder, an operation handle, a pressure meter and an exhaust valve, wherein the operation cylinder is connected with the operation handle and is fixed on the manipulator base, and the operation cylinder is connected with the pressure hose. The pressure meter is fixed on the manipulator base. The far-end operation part comprises a follower base, a following actuating cylinder, and a follower push rod, wherein the following actuating cylinder is connected with the follower push rod and is fixed on the follower base, and the following actuating cylinder is connected with the pressure hose. The utility model has the advantages of low manufacture cost, low material consumption, economization and practicality, lightness and easy carrying, effective control the amount of contrast agent and prevention of damage to medical personnel due to operation under radiation.

Description

Remote hydraulic control syringe

Technical field

This utility model relates to a kind of distant control and has the syringe of pressure indication to inject device, more specifically relate to a kind of remote hydraulic control syringe, be adapted to the clinical radiography of various medical section office such as department of general surgery, Urology Surgery, vascular surgery, orthopaedics, department of obstetrics and gynecology, be particularly useful for T pipe radiography, Salpingography, urography, sinus tract radiography etc.

Background technology

Relevant with this utility model have following equipment:

1, high pressure injector is because of its pressure height, characteristics such as the speed of injecting is fast, flow is big, during the enhancing that has been widely used in CT and magnetic resonance is checked.But its apparatus expensive, and need special-purpose assorted syringe when using, consumptive material price height is not suitable for the low pressure radiography, also is difficult for promoting at basic hospital.

2, infusion pump and trace push away pump, and slow because of its infusion, and can not be at any time remote as required governing speed only shows flow velocity, can not show that pressure changes, and is only applicable to ward medicine injection, are not suitable for radiography etc. and manipulate.

At present, for the various radiographies of low-pressure, low discharge, still rely on doctor's bedside manual injection device under ray to finish as the radiography at positions such as biliary tract, urinary system, fallopian tube.There is following limitation in this mode:

1, accurate controlled pressure, radiography mainly are that the feel with the subjective feeling of observing the patient and medical worker serves as according to carrying out, lack the support of accuracy and objective data, and its safety reduces greatly.

2, the operator can't finish radiography under direct-view.Owing to do not have screen to show the radiography situation in real time in most radiography operation rooms, the operator can't in time observe simultaneously the variation of radiography situation injecting contrast agent, thereby adjusts speed and dosage that contrast agent injects, and needs two people to operate simultaneously, one people pushes away medicine, and a people observes.

3, the ray of repeated multiple times is finished drilling and is made the healthy adverse effect that caused to the medical worker.

4, high pressure injector cost height, do not have pressure to show, can not adapt to the requirement of some basic hospital or different radiography modes.

So far do not have a kind of low price, easy to operate, remote controlled, and the contrast apparatus that can directly control injection speed and pressure come into operation.

Summary of the invention

The purpose of this utility model is to be to provide a kind of remote hydraulic control syringe, this syringe construction is simple, and cost is low, has reduced the injury of X ray to the medical worker, radiography work is finished in assistance by hydraulic pressure demonstration and control safety and precise, has improved work efficiency.

In order to achieve the above object, this utility model has adopted following technical scheme:

Remote hydraulic control syringe comprises near-end operation part, far-end operation part, pressure hose, the near-end operation part is connected by pressure hose with the far-end operation part, near-end, far-end operation part are made by lucite, its inwall scribbles dimethicone, and intracavity is equipped with distilled water.

The near-end operation part comprises manipulator base, operation tube, operating grip, Pressure gauge (form by 0～330mmHg) (1mmHg=0.133kPa) and air bleeding valve, the operation tube is connected with operating grip, and be fixed on the manipulator base, be convenient to operation with fixing, the operation tube is connected with pressure hose, Pressure gauge is fixed on the operation tube, and air bleeding valve is positioned on the operation tube, need open air bleeding valve and drain bubble when placing or changing in the pipeline distilled water.

Far-end operation partly comprises the follower base, follows ACTUATOR, the follower push rod, follows ACTUATOR and is connected with the follower push rod, and be fixed on the follower base, is convenient to operation with fixing, follows ACTUATOR and is connected with pressure hose.

Operation tube, pressure hose, follow ACTUATOR and form airtight space, fill distilled water in it, operation tin, follow the ACTUATOR cavity wall and scribble dimethicone, can alleviate frictional force, dimethicone and distilled water need regularly replace.

This utility model compared with prior art has the following advantages and effect:

1, applied widely, comprise multiple radiography modes such as various cholangiographies, sinus tract fistulography, urography, Salpingography, arteriovenous radiography;

2, degree of accuracy is higher, and directly control rate and pressure are avoided blindly relying on feel and the deficiency of not having objective data, make radiography more safe and reliable, and have kept operator's feel, and the support of existing objective data can directly have sensibility understanding again;

3, simple to operate, do not need restrictions such as power supply, directly manual operation;

4, operated from a distance does not need the doctor to operate under ray, has reduced the occupational injury that ray brings;

5, direct-view operation down, operation is directly perceived, but the radiography effect is observed on radiography limit, limit, in time adjusts, and radiography is effective, and saves the human resources, only needs an operator can finish radiography.

6, cheap, this syringe complete set is made by lucite, need not sterilization, can use repeatedly, and each service wear is little, and the injection device frictional force of working repeatedly increases, and can improve long service life after changing distilled water and silicone oil.As do not have improvement, then need change parts.The cost of raw material is cheap, and after the making of finishing sample, it is simple to carry out repeatedly complete processing technology thereof, and the back finished product low price that puts into production is applicable to medical institutions at different levels.

7, use cost is low, alleviates patient economy burden.Only need change 30 or 50 milliliters of syringes during use and prolong pipe and get final product.

8, light small and exquisite, easy to carry, for lucite is made exquisite appearance.

Description of drawings

Fig. 1 is a kind of remote hydraulic control syringe construction sketch map.

Fig. 2 is the graph of a relation between the speed of injecting and the frictional force loss.

Wherein: 1-injector for medical purpose, 2-follower push rod, 3-follow ACTUATOR, 4-follower base, 5-operation tube, 6-operating grip, 7-manipulator base, 8-pressure hose, 9-syringe needle, 10-prolong and manage, 11-air bleeding valve, 12-Pressure gauge (0～330mmHg) (1mmHg=0.133kPa), A-near-end operation part, B-far-end operation part

The specific embodiment

Below in conjunction with accompanying drawing this utility model is described in further detail:

According to Fig. 1 as can be known, a kind of remote hydraulic control syringe comprises near-end operation part A, far-end operation part B, pressure hose 8, near-end operation part A is connected by pressure hose 8 with far-end operation part B, near-end operation part A, far-end operation part B are made by lucite, inwall scribbles dimethicone, and intracavity is equipped with distilled water.

Near-end operation part A comprises manipulator base 7, operation tube 5, operating grip 6, Pressure gauge 12 and air bleeding valve 11, operation tube 5 is connected with operating grip 6, and be fixed on the manipulator base 7, be convenient to operation with fixing, operation tube 5 is connected with pressure hose 8, Pressure gauge 12 is fixed on the manipulator base 7, and air bleeding valve 11 is positioned on the operation tube 5, need open air bleeding valve and drain bubble when placing or changing in the pipeline silicone oil.

Far-end operation part B comprises follower base 4, follows ACTUATOR 3, follower push rod 2, follows ACTUATOR 3 and is connected with follower push rod 2, and be fixed on the follower base 4, is convenient to operation with fixing, follow operation tube 5 and be connected with pressure hose 8.

Operating tube 5 and following ACTUATOR 3 is template with 30 milliliters of syringe inner chamber sizes all, pressure hose 8 respectively with operation tube 5 with follow ACTUATOR 3 and be connected, form a closed system, its inwall evenly scribbles silicone oil, intracavity is equipped with distilled water, can change or additional distilled water and emission gases the loss that silicone oil can be reduced friction and be brought by air bleeding valve 11.Promote operating grip 6 this moment, liquid conductive in the pressure hose 8 is to follower push rod 2, promote injector for medical purpose 1 and push away medicine by syringe needle 9, according to practical situation, can connect to prolong between injector for medical purpose 1 and syringe needle 9 and manage 10, Pressure gauge 12 can show the pressure in the closed system, according to pascal's principle, because operation tube 5 equates with the cross-sectional area of following ACTUATOR 3, the pressure the when force value that promotes near-end operating grip 6 at this moment pushes away medicine with the distal injection device equates substantially.And if we are when using 30 milliliters of syringes, because cross-sectional area equates that the pressure at radiography position equates substantially with the pressure of Pressure gauge demonstration.As be 20,50,60 milliliters of syringes, can change owing to syringe diameter, convert.Partly do not have at far-end operation under the situation of any load, evenly inject near-end operating grip 6 by measuring friction speed, the pressure values that Pressure gauge 12 shows, obtain the pressure change that the frictional force loss causes, and run a curve (as Fig. 2), in real work, under certain speed, the pressure values that Pressure gauge 12 shows deducts in the curve pressure values under this speed, can obtain radiography position actual pressure.

In use, (can connect in case of necessity and prolong pipe 10) after syringe (selecting according to the radiography needs) aerofluxus of contrast agent is housed in advance is installed on the far-end control device, with injector for medical purpose 1 or after prolonging pipe 10 connection need radiography positions, can in the control room, inject near-end operation part A and carry out radiography.In the angiographic procedure, the operator can observe and adjust radiography by cover plate and inject pressure and contrast agent consumption, to reach best radiography effect.The detection range of this equipment: pressure detection range 0～330mmHg, 0.05% of Pressure gauge error gross pressure.

Claims

1, a kind of remote hydraulic control syringe, it comprises near-end operation part (A), far-end operation part (B), it is characterized in that: near-end operation part (A) is connected by pressure hose (8) with far-end operation part (B);

Described near-end operation part (A) comprises manipulator base (7), operation tube (5), operating grip (6), Pressure gauge (12) and air bleeding valve (11), operation tube (5) is connected with operating grip (6), and be fixed on the manipulator base (7), operation tube (5) is connected with pressure hose (8); Pressure gauge (12) is fixed on the manipulator seat (7);

Described far-end operation part (B) comprises follower base (4), follows ACTUATOR (3), follower push rod (2), following ACTUATOR (3) is connected with follower push rod (2), and be fixed on the follower base (4), follow ACTUATOR (3) and be connected with pressure hose (8).

2, a kind of remote hydraulic control syringe according to claim 1 is characterized in that: near-end operation part (A), far-end operation part (B) are made by lucite, and inwall scribbles silicone oil, and intracavity is equipped with distilled water.