CN202426662U

CN202426662U - Adjustable limiting sleeve with precision protractor

Info

Publication number: CN202426662U
Application number: CN2012200369239U
Authority: CN
Inventors: 林钧; 曹国彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-03
Filing date: 2012-02-03
Publication date: 2012-09-12
Anticipated expiration: 2022-02-03

Abstract

The utility model belongs to the field of medical instruments, in particular to an adjustable limiting sleeve with a precision protractor. The adjustable limiting sleeve comprises a telescopic adjusting sleeve and a sleeve fixing plate sleeved on the adjusting sleeve; an angle indicator is arranged on the adjusting sleeve; an angle adjusting device is arranged on the side of the sleeve fixing plate; and the sleeve fixing plate and the angle indicator form a jacking connected state in the rotating process of the sleeve fixing plate. When the adjustable limiting sleeve is used, the adjusting sleeve with the telescopic function is moved to a puncture point according to a focus determined by computed tomography (CT) film scanning, fixed by using the sleeve fixing plate and adjusted by using the angle adjusting device, so that the angle adjusting device is matched with the angle pointer to determine the feeding angle of a puncture needle; the adjusting sleeve is extended to a certain length such as 3 centimeter, so that the feeding angle is difficult to change; and the puncture needle carries out puncture according to the adjusted angle and the feeding depth measured from a CT film till the central position of the focus is arrived. The adjustable limiting sleeve is very convenient, safe and fast, and has a huge market prospect.

Description

Scalable spacing collar with accurate protractor

Technical field

This utility model belongs to medical instruments field, specifically be meant a kind of in cranium brain Minimally Invasive Surgery disposable puncture positioning device.

Background technology

The puncture of cranium brain Minimally Invasive Surgery is a neurocranial surgery operation method commonly used, and this operation method can be avoided operation of opening cranium, and can alleviate patient's medical expense.Common piercing method undergos surgery generally to be employed on the skull and rules, and uses the lancet puncture skull, shows lesions position according to the CT sheet, under navigator or positioning head frame guide or according to doctor's experience, carries out.

The defective of said method is that charge is still too expensive, like operation with navigator, light guide charge be exactly 5000 yuan/inferior; Tridimensional orienting headstock uses once just needs 2000 yuan, also need carry out sterilization to the headstock, puncture needle and puncture needle sleeve before each operation, and have only three first class hospitals could buy navigator and stereotaxis device; Two first class hospitals or basic hospital are difficult to investment the said equipment; If only carry out then the success of very difficult assurance one-time puncture, after regular meeting damages other cerebral tissue or blood vessel owing to puncture is unsuccessful, causes patient to perform the operation with doctor's experience; More the back functional rehabilitation is bad even dead; Usually the doctor is in order to insure the method that can only take operation of opening cranium, and this has not only increased patient's misery, and medical expense also increases thereupon.

Summary of the invention

For overcoming existing technological deficiency; This utility model provides a kind of scalable spacing collar with accurate protractor; Rational in infrastructure, easy to use, safe quick, even realized at basic hospital, the gengral practitioner also can both carry out the advantage of cranium brain Minimally Invasive Surgery smoothly.

For achieving the above object; This utility model is achieved through following technical scheme: a kind of scalable spacing collar with accurate protractor comprises that one has the regulating sleeve of scalability, and is set in the sleeve retention plate on the regulating sleeve; Angle indicator is installed on the regulating sleeve; The side of sleeve retention plate is provided with angle regulator, and the sleeve retention plate places the top of angle indicator, becomes the overhead state that joins in the sleeve retention plate rotation process with angle indicator.

Compared with prior art, the utlity model has following substantive distinguishing features and progress:

1, realizes accurately locating through this device, be applicable to that hospitals at different levels neurocranial surgery surgical doctor carries out the use of puncturing of cranium brain Minimally Invasive Surgery;

2, cheap, charge is cheap, and promotional value is high, has operation rationally; Technical characterstic simple in structure, easy to use, that practicality is high, disposable use; Reduced the time and the cost of sterilization, can when first-aid patients, use rapidly, reduced mortality rate because of the untimely patient that performs the operation.

Description of drawings

Below in conjunction with accompanying drawing and embodiment this utility model is described further.

Fig. 1 is the structure vertical view of this utility model:

Fig. 2 is the structural front view of this utility model.

Among the figure, 1, the sleeve retention plate, 2, angle indicator, 3, angle regulator, 4, regulating sleeve.

The specific embodiment

In conjunction with Fig. 1, shown in Figure 2; This utility model is being made up of regulating

sleeve

4 and 1 of sleeve retention plate being set in above the regulating sleeve 4; Angle indicator 2 is installed on the regulating sleeve 4; One side of sleeve retention plate 1 is provided with angle regulator 3, and sleeve retention plate 1 places the top of angle indicator 2, sleeve retention plate 1 in rotation process with 2 one-tenth overheads of angle indicator state that joins.

During use, regulating sleeve 4 focus that scanning is confirmed according to the CT sheet that will have the scalability function moves on the point of puncture, fixes with sleeve retention plate 1; Reuse angle regulator 3 is regulated; Angle regulator 3 and angle indicator 2 are coincide to confirm the needle angle of puncture needle each other, carry out inserting needle sleeve telescopic adjustment with regulating sleeve 4 during the puncture needle inserting needle, regulating sleeve 4 is elongated to certain-length; Like 3CM, can guarantee that the angle of inserting needle is difficult for change.The degree of depth of the need inserting needle measured according to the angle that regulates with from the CT sheet of puncture needle punctures then, and through focus center is very convenient, safe, fast.

According to technique scheme; Those skilled in the art according to actual needs; Also can design the sleeve of more different structure forms, but the foregoing description is merely explanation this utility model and enumerating, and is not to be used to limit this utility model; The structure of any effects equivalent based on the conversion of present technique scheme institute all belongs to the protection domain of this utility model.

Claims

1. the scalable spacing collar with accurate protractor comprises a regulating sleeve, and is set in the sleeve retention plate on the regulating sleeve, it is characterized in that: angle indicator is installed on the regulating sleeve, and the side of sleeve retention plate is provided with angle regulator.

2. the scalable spacing collar of the accurate protractor of band according to claim 1 is characterized in that: described sleeve retention plate places the top of angle indicator, becomes the overhead state that joins in the sleeve retention plate rotation process with angle indicator.