RU116775U1 - NEEDLE INJECTION - Google Patents

Abstract

An injection needle containing a tubular body with a cannula and a curved pointed distal section, characterized in that the cannula has an indicator of the position of the distal section, made in the form of a metal protrusion, corrugation is applied to the proximal end of the tubular body in order to fix the position of the needle, and on the distal section it is located a fixed stop made in the form of a metal protrusion, and a scale is applied to determine the depth of insertion of the distal portion under the parietal pleura, and there is a lateral opening 3 mm from the distal end in order to evenly distribute the drug under the pleura.

Description

The utility model relates to medicine, and more specifically to medical devices and is intended for use in thoracic surgery for injection of a drug under parietal pleura.

Known injection needle containing a tubular body with a cannula at the proximal end (1).

The disadvantage of this needle is the inconvenience of its use in thoracic surgery.

An injection needle is known comprising a cylindrical sleeve onto which replaceable olives are screwed. The needle ends with a cannula on one side and the piercing part on the other (2).

The disadvantage of this needle is the increased complexity of its use for injection under the parietal pleura and the risk of injury to the lung and structures subject to the parietal pleura.

Known injection needle containing a cannula and a tubular body, curved along a helical line (3).

The disadvantage of this needle is the inconvenience of its use in thoracic surgery.

Known injection needle containing a tubular body with a cannula and a pointed distal end, and the distal end of the tubular body is bent 30 ° relative to its longitudinal axis to a length of 5 mm (4).

The disadvantage of this needle is the inconvenience of its use in thoracic surgery, and the complexity of the injection of drugs under the parietal pleura.

This needle is taken as a prototype.

The purpose of the utility model is to create an injection needle, which allows you to reduce the complexity during the injection procedure of the drug under the parietal pleura and minimize the possibility of injury to the lung and structures to be attached to the parietal pleura.

This goal is achieved by the fact that on the cannula there is a pointer to the position of the distal end, made in the form of a metal protrusion, also a corrugation is applied to the tubular body to fix the position of the needle, and at the distal end there is a fixed stopper made in the form of a metal protrusion, and a scale with the purpose of determining the depth of introduction of the distal end. 3 mm from the distal end there is a lateral hole with the aim of uniform distribution of the drug under the pleura.

Comparison of the proposed injection needle with other known in the field of medicine, showed its compliance with the criteria of a utility model.

The utility model is illustrated by graphic material, which depicts the inventive injection needle, a General view.

The injection needle contains a tubular body 1 with a cannula 2 at the proximal end 3 and a pointed end 4 at the distal section 5. A position indicator 6 is mounted on the cannula, made in the form of a metal protrusion, distal section 5. A corrugation 7 is applied on the tubular body 1 to fix the position needles. The distal portion 5 of the tubular body to a length of 10 mm is bent relative to the longitudinal axis of the tubular body by an angle α = 20 °, and 3 mm from the pointed end 4 has a side hole 8. At the distal portion 5 there is a stop 9 made in the form of a metal protrusion, and scale 10.

A clinical example of the use of the proposed injection needle.

Under endotracheal anesthesia with separate intubation of the bronchi, after processing the surgical field, thoracocentesis and video thoracoscopy are performed. Thoracoports are additionally installed. A needle is inserted into the thoracoport by the distal section 5, its position is controlled by the pointer 6. The pointed end of 4 injects drugs under the parietal pleura in the necessary places. The presence of a bent distal section 5 and a lateral opening 8 allows with high accuracy and with minimal labor to evenly administer preparations under the parietal pleura, while not injuring the lung. The corrugation 7 on the tubular body 1 allows you to securely fix the needle in your hands, and the limiter 9 and the scale 10 does not allow the needle to injure the structures that are to the parietal pleura.

The proposed utility model has a simplicity of design, reliable and efficient in operation. Using the proposed injection needle allows you to exclude the possibility of injury to the lung and the underlying parietal pleura structures, to simplify and reduce the complexity of the injection of drugs under the parietal pleura, accurately localize the injection site.

INFORMATION SOURCES

1. USSR Copyright Certificate No. 1532006, Cl. A61B 17/34, 1989

2. Copyright certificate of the USSR No. 1475619, Cl. A61B 17/34, 1989

3. USSR copyright certificate No. 362618, Cl. A61B 17/34, 1973

4. Copyright certificate of the Russian Federation No. 1055590 Cl. A61M 5/32, 2011

Claims (1)

Injection needle containing a tubular body with a cannula and a curved pointed distal section, characterized in that the cannula has a distal section position indicator made in the form of a metal protrusion, corrugation is applied at the proximal end of the tubular body to fix the position of the needle, and located on the distal section a fixed limiter, made in the form of a metal protrusion, and a scale is applied to determine the depth of introduction of the distal section under the parietal pleura, and 3 mm from the dis cial end has a lateral opening for uniform distribution of the drug under the pleura.