CN214762817U

CN214762817U - Medical catheter capable of ultrasonic development

Info

Publication number: CN214762817U
Application number: CN202021694651.2U
Authority: CN
Inventors: 朱宏彬; 刘超
Original assignee: Shanghai Penggguan Biological Mediceine Tec Co ltd
Current assignee: Shanghai Penggguan Biological Mediceine Tec Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-11-19
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to the technical field of medical equipment, a but medical catheter of ultrasonic development is disclosed, include: but pipe body and supersound develop the part, the supersound develops the part and is located the position of predetermineeing of pipe body, the supersound develops the part and is the metal material, adopt and inlay on the pipe body with the form of ring, silk or spring form, and the metal material surface is through rough treatment, the surface is the rough surface, the supersound image of being convenient for develops under, the supersound develops the part and helps realizing the location of pipe under the supersound, clinician can realize intubate under the supersound, the accurate positioning of clinical intubate process and the success probability of intubate have been improved, can avoid the radiation hazard that causes doctor or patient when equipment such as clinical adoption X-ray machine or CT fixes a position simultaneously.

Description

Medical catheter capable of ultrasonic development

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a but medical catheter of ultrasonic development.

Background

Currently, in clinical practice, intervention treatment through the patient's lumen or blood vessels is required for various diseases (such as neurological diseases, tumors, coma, mechanical trauma, etc.). For example, when a patient is unable to actively eat or refuses to eat, the patient needs to be nutritionally supported by enteral and parenteral nutrition (i.v.) to maintain the patient's normal physiological functional needs. Enteral nutrition is mainly carried out on patients by means of nasal feeding. Nasal feeding is a technique in which a catheter is inserted into the gastrointestinal tract through the nasal cavity, and fluid food, moisture and medicines are infused from the inside of the tube to maintain the nutrition and treatment needs of a patient; parenteral nutrition is mainly characterized in that nutrients are delivered into the veins of patients through an infusion apparatus or a central venous catheter in an intravenous injection mode; in addition, strictures caused by tumors or the like in the digestive tract (esophagus, small intestine, large intestine, etc.) require the insertion of a stent into a specified stricture site by means of an interventional catheter.

At present, the medical catheter is clinically applied to various interventional catheters, such as a stent conveyor, a stomach tube, an arteriovenous interventional catheter, a catheter and the like, when interventional positioning is needed, the interventional positioning is carried out by means of an X-ray machine and a CT (computed tomography) through a ray detection mode, and doctors and patients are easily damaged by ionizing radiation. Therefore, there is a great need to design a catheter auxiliary device which can accurately position the position of the interventional catheter without causing damage to the doctor or the patient.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a medical pipe that can develop under supersound, but including pipe body and supersound development part, supersound development part is located pipe body assigned position, supersound development part help realizing the location of pipe under the supersound, and clinician can realize intubate under the supersound, has improved the accurate positioning of clinical intubate process and the successful probability of intubate, can avoid the radiation hazard that causes doctor or patient when equipment such as clinical adoption X-ray machine or CT fixes a position simultaneously.

The utility model provides a technical scheme as follows:

an ultrasonically-developable medical catheter comprising:

the ultrasonic developing part is positioned at the preset part of the catheter body.

In the technical scheme, a metal material is embedded on a catheter body in a ring, wire or spring-shaped mode, and the surface of the metal material is roughened, so that the development under an ultrasonic image is facilitated; by embedding the ultrasonic developing part in different parts of the catheter body, a doctor can accurately position the interventional catheter under ultrasonic images. The position of the head of the catheter body is observed by the developing ring, so that a clinician can accurately insert the catheter under ultrasonic waves, and the accuracy and the success rate of clinical insertion are improved.

Further preferably, the ultrasonic developing part is made of metal and is embedded on the catheter body in a ring, wire or spring-like manner.

It is further preferred that the surface of the ultrasonically developable member is roughened to facilitate development under ultrasonic images.

In the technical scheme, the surface of the ultrasonic developing part is subjected to sanding or sand blasting treatment, or the surface of the ultrasonic developing part is provided with a rough surface for increasing the ultrasonic echo effect.

Further preferably, the ultrasonic developing part is one of stainless steel, nitinol, tungsten, tantalum, gold and platinum.

Further preferably, the catheter body is single-lumen, or the catheter body is multi-lumen.

Further preferably, the ultrasound-developable medical catheter further comprises: one or more of a joint, a developer, and a coating.

Further preferably, the ultrasonically developable member is provided in plurality.

Compared with the prior art, the utility model discloses a but medical catheter beneficial effect of ultrasonic development is in:

the utility model discloses in, the adoption is with the ring, silk or the form of spring form inlays the supersound development part on the pipe body, and the supersound development part surface is through rough handling, the surface is the matte, the supersound image of being convenient for develops under, the supersound development part helps realizing the location of pipe under the supersound, clinician can realize intubate under the supersound, the accurate positioning of clinical intubate process and the successful probability of intubate have been improved, can avoid the radiation hazard that causes doctor or patient when equipment such as clinical adoption X-ray machine or CT fixes a position simultaneously.

Drawings

The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.

FIG. 1 is a schematic structural view of an exemplary embodiment of an ultrasonically-developable medical catheter;

FIG. 2 is a schematic structural view of another embodiment ultrasound-developable medical catheter;

FIG. 3 is a schematic structural view of another embodiment of an ultrasonically-developable medical catheter;

figure 4 is a schematic cross-sectional view of another embodiment catheter body.

The reference numbers illustrate:

10. the developing device comprises a catheter body, 11 parts of a main catheter, 12 parts of a developing tube, 20 parts of a developing line, 30 parts of a developing ring, 40 parts of a joint, 41 parts of a first connecting end, 42 parts of a second connecting end, 43 parts of a third connecting end and 50 parts of a developing spring.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

As a specific example, as shown in fig. 1, the present embodiment provides an ultrasonically-developable medical catheter, including: the catheter body 10 and the ultrasonic developing part, the ultrasonic developing part is a developing ring 30, the developing ring 30 is embedded on the catheter body 10, the surface of the developing ring 30 is subjected to rough treatment, and the surface is a rough surface, so that ultrasonic image developing is facilitated. The surface of the development ring 30 is sanded or sandblasted, or the surface of the development ring 30 is provided with a rough surface that increases the effect of ultrasonic echo. The developer ring 30 is stainless steel, nitinol, tungsten, tantalum, gold, platinum, or the like.

In another embodiment, as shown in fig. 2, the present embodiment provides an ultrasonically-developable medical catheter comprising: the catheter comprises a catheter body 10 and an ultrasonic developing component, wherein the ultrasonic developing component is a developing spring 50, the developing spring 50 is arranged at one end of the catheter body 10, the surface of the developing spring 50 is subjected to rough treatment, and the surface is a rough surface, so that the developing under an ultrasonic image is convenient. The surface of the developing spring 50 is subjected to sanding or sandblasting, or the surface of the developing spring 50 is provided with a rough surface that increases the effect of the ultrasonic echo. The developing spring 50 is made of stainless steel, nitinol, tungsten, tantalum, gold, platinum, or the like.

In another embodiment, as shown in fig. 3, the present embodiment provides an ultrasonically-developable medical catheter comprising: catheter body 10, development line 20 and at least one development ring 30. Wherein, the cross section of pipe body 10 is circular, adopts the cross section to be circular pipe, does not have the edges and corners bruise during the contact, reduces the injury to the patient. The cross-section of the catheter body 10 may also be of other shapes, for example: oval, shaped structures, etc. One end of the catheter body 10 is provided with a connector for connection to an operating end. The development line 20 is provided along the longitudinal direction of the catheter body 10. The developing ring 30 is disposed on the catheter body 10 and located at an end of the catheter body 10 away from the joint, the developing ring 30 is made of metal, and the surface of the developing ring 30 is a rough surface. The developing ring 30 is arranged at the far end of the catheter body 10, the surface of the developing ring 30 is a rough surface, so that the developing under an ultrasonic image is convenient, and the position of the head part of the catheter body 10 is observed through the developing ring 30; observe the position of whole pipe body 10 through development line 20, the mode of dual development makes the development clearer, and the increase of development ring 30 has not only strengthened the pipe and has developed intensity under X-ray machine or CT, has realized the development nature of pipe under the ultrasonic development again, and clinician can realize intubate under the ultrasound, has improved clinical intubate's accuracy and success rate.

Specifically, the surface of the development ring 30 is subjected to sanding or sand blasting; or the surface of the developing ring 30 is corroded by chemical agents to form a rough surface; alternatively, the surface of the developer ring 30 may be provided with a megasonic surface formed of an ultrasonically echogenic material. The structure of the developing ring 30 that can be developed clearly under ultrasound as long as it is rough is within the scope of the present embodiment. The developer ring 30 is made of stainless steel or nitinol. The number of the developing rings 30 may also be two or more, and a plurality of the developing rings 30 are spaced on the catheter body 10, and the specific number of the developing rings may be selected according to actual requirements. As shown in fig. 1, two developing rings 30 are generally provided at an end of the catheter body 10 away from the joint, and the two developing rings 30 are spaced apart from each other. This arrangement can facilitate viewing of the position of the head of the catheter body 10 through the developer ring 30.

As shown in fig. 4, the duct body 10 includes a main duct 11 and a developing tube 12 embedded in the main duct 11 along a main duct long axis direction, and the developing wire 20 is disposed in the developing tube 12. The developing tube 12 is embedded in the main catheter 11, and the developing wire 20 is arranged in the developing tube 12, so that the developing wire 20 is not exposed, and the developing medium is prevented from permeating into the body of a patient to cause damage. To further enhance visualization, the visualization tube 12 and the visualization wire 20 are partially or distally configured as a spiral. In some other embodiments, the developing tube 12 may not be provided, and the developing wire 20 may be directly implanted inside the main catheter 11. The development line 20 is made of barium carbonate development medium; or the developing line 20 is a metal wire, and the surface of the metal wire is subjected to rough treatment; alternatively, a developing ring or other developing structure may be provided on the surface of the developing line 20, so long as the structure that enables the position of the entire catheter body 10 to be viewed through the developing line 20 is within the scope of the present embodiment.

Furthermore, a plurality of liquid suction holes are formed in the catheter body 10, and the liquid suction holes are located at one end, far away from the joint, of the catheter body 10. The connector 40 of the medical catheter capable of ultrasonic development is provided with a first connecting end 41, a second connecting end 42 and a third connecting end 43, the first connecting end 41 is respectively communicated with the second connecting end 42 and the third connecting end 43, the first connecting end 41 is connected and communicated with the connector, and the second connecting end 42 and the third connecting end 43 are arranged at a preset angle. The second connection end 42 is used for connecting the main cavity, and the second connection end 43 is used for connecting the auxiliary cavity. The first connecting end 41 is respectively communicated with the second connecting end 42 and the third connecting end 43 to form two liquid circulating channels, so that two different nutrient solutions or liquid medicines or other liquids can conveniently circulate.

It should be noted that the end of the catheter body 10 remote from the developer ring 30 may be formed integrally with other connecting cavities instead of the joint 40. The fitting 40 may also be a single or dual lumen plug. The medical catheter capable of ultrasonic development in the application can be used for stomach tubes, but not limited to stomach tubes, gastrointestinal tubes, arteriovenous catheters and the like.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An ultrasonically-developable medical catheter, comprising:

the ultrasonic developing device comprises a catheter body and an ultrasonic developing component, wherein the ultrasonic developing component is positioned at a preset position of the catheter body;

the ultrasonic developing part is embedded on the catheter body in a metal ring mode;

the surface of the ultrasonically developable member is roughened to facilitate development under an ultrasonic image.

2. The ultrasonically developable medical catheter according to claim 1, wherein:

the ultrasonic developing component is one of stainless steel, nickel-titanium alloy, tungsten, tantalum, gold and platinum.

3. The ultrasonically developable medical catheter according to claim 1, wherein:

the catheter body is a single cavity, or the catheter body is a multi-cavity.

4. The ultrasonically developable medical catheter according to claim 1, further comprising: one or more of a joint, a developer, and a coating.

5. The ultrasonically developable medical catheter according to claim 1, wherein:

the ultrasonically developable member is provided in plurality.