CN210813401U - Balloon catheter - Google Patents

Abstract

The utility model provides a sacculus pipe, the female joint comprises an outer pipe, the outer tube distal end is equipped with the sacculus, and the position that is close to sacculus near-end one side on the outer tube is equipped with branch seal wire export. The outer tube is a three-cavity tube and comprises a branch guide wire cavity, a main guide wire cavity and a gas injection cavity, the far end of the outer tube is provided with a main guide wire outlet, the gas injection cavity is communicated with the balloon, the main guide wire cavity is communicated with the main guide wire outlet, and the branch guide wire cavity is communicated with the branch guide wire outlet. The near end of the outer tube is connected to a joint through a protective sleeve, the joint enables the branch guide wire cavity to be communicated with the branch guide wire insertion opening through the first single-lumen tube, the joint enables the main guide wire cavity to be communicated with the main guide wire insertion opening through the second single-lumen tube, and the joint enables the gas injection cavity to be communicated with the gas injection opening through the third single-lumen tube. Three channels of the three-cavity tube are respectively communicated with the main guide wire insertion hole, the branch guide wire insertion hole and the gas injection port, so that the three-cavity tube is not influenced mutually, and the three-cavity tube is simple and safe to operate.

Description

Balloon catheter

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a balloon catheter.

Background

The balloon catheter is a common instrument for interventional operations such as ERCP and the like. The traditional balloon catheter can have two cavities or three cavities, and has the common point that only one guide wire pore passage is arranged, and the guide wire pore passage and the radiography pore passage are both positioned above the balloon sphere. The balloon body is mainly used for cleaning the cavity in the operation target cavity and imaging the part above the balloon body.

In interventions such as ERCP, selective intubation is often required. The steps are that firstly, a guide wire is used for selectively entering a cavity target branch, and then the guide wire guides an angiography catheter or a cutting knife to enter. However, in actual operation, the advancing direction of the guide wire is difficult to control, and it is very difficult to insert the guide wire into a specific lumen branch accurately, which becomes a difficult problem in actual operation. Even experienced physicians, the selective intubation often takes a lot of time to perform, and success rate still cannot be guaranteed. The operation time, the operation risk and the pain of the patient are increased, the radiation quantity received by the patient and medical personnel is greatly increased, and the damage is brought to the doctor and the patient at the same time.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to solve the technical problem that the utility model provides a balloon catheter aiming at the defects of the prior art.

In order to solve the technical problem, the utility model provides a sacculus pipe, the female joint comprises an outer pipe, the outer tube distal end is equipped with the sacculus, and the position that is close to sacculus near-end one side on the outer tube is equipped with branch seal wire export.

The utility model discloses in, the outer tube is three chambeies pipe, and the outer tube includes gas injection chamber, leading silk chamber and branch's seal wire chamber, and the outer tube distal end is equipped with leading silk export, and gas injection chamber intercommunication sacculus, leading silk chamber intercommunication lead silk export, branch's seal wire chamber intercommunication branch's seal wire export.

The utility model discloses in, the outer tube near-end is connected to the joint through the protecting pipe, and the joint communicates branch's seal wire inserted hole with branch's seal wire chamber through first single lumen pipe, and the joint will lead the seal wire chamber to communicate leading seal wire inserted hole through the second single lumen pipe, and the joint will be through third single lumen pipe with gas injection chamber intercommunication gas injection mouth. Three channels of the three-cavity tube are respectively communicated with the main guide wire insertion hole, the branch guide wire insertion hole and the gas injection port, so that the three-cavity tube is not influenced mutually, and the three-cavity tube is simple and safe to operate.

The utility model discloses in, the sacculus is fixed on the outer tube, and the outer tube in the sacculus is equipped with the sacculus through-hole with the gas injection mouth intercommunication for inflate the gassing to the gasbag.

The utility model discloses in, branch seal wire inserted hole, leading seal wire inserted hole and gas injection mouth all adopt luer to connect, connect convenient simple.

The utility model discloses in, sacculus near-end and distal end all are equipped with the development ring, and the contrast medium that the cooperation was injected into is fixed a position.

The utility model discloses in, developing ring and outer tube are fixed to be bonded.

The utility model discloses in, the outer tube near-end is equipped with the joint, and the joint is moulded plastics the butt joint with first single lumen pipe, second single lumen pipe and third single lumen pipe respectively with the outer tube.

The utility model discloses in, the sacculus under the state of strutting plays limiting displacement to the seal wire that the export of branch seal wire stretches out.

Drawings

These and other advantages of the invention will become apparent from the following more detailed description of the invention, when taken in conjunction with the accompanying drawings and detailed description.

FIG. 1 is a schematic structural view;

FIG. 2 is a schematic cross-sectional view of an outer tube;

FIG. 3 is a schematic diagram of an implementation application;

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1, the balloon catheter provided in this embodiment includes avisualization ring 1, aballoon 2, anouter tube 3, asheath tube 4, ajoint 5, a first single-lumen tube 6a, a second single-lumen tube 6b, a third single-lumen tube 6c, a branch guidewire insertion port 7, a main guidewire insertion port 8, anair injection port 9, a balloon throughhole 10, a mainguide wire outlet 11, and a branchguide wire outlet 12;

the far end of the outer tube is provided with asacculus 2, and a branchguide wire outlet 12 is arranged at the position of the outer tube close to one side of the near end of the sacculus. Theouter tube 3 is a three-cavity tube, and comprises a branch guide wire cavity 3c, a main guide wire cavity 3b and a gas injection cavity 3a, wherein the far end of the outer tube is provided with a main guide wire outlet, the gas injection cavity is communicated with the balloon, the main guide wire cavity is communicated with the mainguide wire outlet 11, and the branch guide wire cavity is communicated with the branchguide wire outlet 12. The proximal end of the outer tube is connected to ajoint 5 through aprotective sleeve 4, the joint enables the branch guide wire cavity to be communicated with a branch guide wire insertion opening 7 through a first single-lumen tube 6a, the joint enables the main guide wire cavity to be communicated with a main guide wire insertion opening 8 through a second single-lumen tube 6b, and the joint enables the gas injection cavity to be communicated with a gas injection opening 9 through a third single-lumen tube 6 c. The sacculus is fixed on the outer tube, and theouter tube 3 in the sacculus is provided with a sacculus throughhole 10 communicated with the gas injection port. The branch guide wire insertion port, the main guide wire insertion port and the gas injection port all adopt luer connectors. The near end and the far end of the saccule are provided with developingrings 1.

Specifically, the method comprises the following steps: the developingring 1 is fixedly bonded with theouter tube 3; the outer tube, the single-cavity tube and the joint can be connected through injection molding; the balloon and the outer tube are fixedly bonded through glue; the single cavity tube and the luer joint can be bonded by injection molding or glue; the number of the developing rings can be 1 or more, the developing rings and the outer tube can be bonded through glue, and the positions can be respectively at the near end or the far end of the saccule.

As shown in fig. 3, when a similar branch lumen is clinically encountered, if an endoscope cannot enter the branch lumen, an operator needs to insert a guide wire for the next treatment or examination, and at this time, the guide wire is inserted, but the guide wire is more likely to enter the main lumen, and the guide wire still cannot enter the branch lumen after many attempts, which takes a long time. If such a situation is encountered, the balloon catheter of the present embodiment may be used;

the saccule catheter is used for assisting a guide wire to quickly and conveniently enter a designated cavity or a branch cavity. According to the balloon catheter, a mainguide wire outlet 11 is arranged above a balloon body, a branchguide wire outlet 12 is arranged below theballoon 2 for a certain distance, different distance models can be manufactured according to different types of operation requirements, and branch guide wires can enter branch cavities from the lower part of the balloon body in a balloon inflation state. In practical application, if the first guide wire does not successfully enter a target branch of a cavity, and in other branches, the balloon catheter can be guided by the main guide wire to enter the current branch, the current branch cavity is blocked, limited and guided by inflating the balloon, and then the branch guide wire enters the branch cavity through the branchguide wire outlet 12 with an opening positioned below the balloon sphere, so that the branch guide wire can more easily enter the target branch cavity.

For the cavity with branches, the operator has certain difficulty in using the guide wire to enter the specified cavity, the operation level of the operator is mostly depended on, and the operation needs to be tried for many times and the time is long. Under the condition, the balloon catheter can assist a surgeon to enter a designated cavity by using a guide wire, is short in time consumption, has low requirement on the operation level of the surgeon, and is convenient to popularize.

Taking X-ray related imaging devices such as ERCP or vascular intervention or interventional operations under ultrasound guidance as examples:

firstly, amain guide wire 13 is reserved under an endoscope, then the balloon catheter of the embodiment is placed at a designated position along themain guide wire 13 through a mainguide wire outlet 11, a developing ring can indicate the position of the balloon, contrast agents are injected through a branch guidewire insertion opening 7, and the approximate positions and the bifurcation points of a main cavity channel and a branch cavity channel are displayed; theballoon 2 is beaten through thegas injection port 9, and the position of theballoon 2 is adjusted; at the moment, thebranch guide wire 14 is inserted along the branch guidewire insertion opening 7, thebranch guide wire 14 comes out from the branch guide wire outlet 12 (3 cm away from the near end of the saccule), thebranch guide wire 14 directly enters the branch orifice due to the blocking effect of thesaccule 2 when passing through the position of the branch orifice, the branch guide wire is successfully placed, the saccule catheter is removed according to the operation requirement, thebranch guide wire 14 is kept, and the next operation is carried out.

Example 2:

the present embodiment takes an endoscopic direct-view operation as an example:

the endoscope is inserted into the balloon catheter to a designated position under direct vision, the endoscope is retracted to a proper position, theballoon 2 is opened, thebranch guide wire 14 is inserted into the branch guidewire insertion opening 7, thebranch guide wire 14 is taken out from the branch guide wire outlet 12 (taking intestinal surgery as an example, the distance between the branch guide wire and the near end of the balloon is 5 centimeters), thebranch guide wire 14 directly enters the branch cavity channel due to the blocking effect of theballoon 2 when passing through the branch cavity channel position, thebranch guide wire 14 is successfully placed, the balloon catheter can be removed according to the surgical requirements, the branch guide wire is reserved, and the next surgical operation is carried out.

Through the balloon catheter, the branch guide wire can be quickly and simply placed into the designated cavity for the branch cavity, and the operation time of an operator is saved.

The utility model provides a sacculus pipe, the method and the way of realizing this technical scheme are many specifically, it is above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection scope. All the components not specified in the present embodiment can be realized by the prior art.

Claims (8)

1. The balloon catheter is characterized by comprising an outer tube (3), wherein the far end of the outer tube is provided with a balloon (2), and a branch guide wire outlet (12) is arranged at the position, close to one side of the near end of the balloon, on the outer tube;

the outer tube is a three-cavity tube and comprises an air injection cavity (3a), a main guide wire cavity (3b) and a branch guide wire cavity (3c), a main guide wire outlet (11) is formed in the far end of the outer tube, the air injection cavity is communicated with the balloon, the main guide wire cavity is communicated with the main guide wire outlet (11), and the branch guide wire cavity is communicated with the branch guide wire outlet (12).

2. A balloon catheter according to claim 1, characterized in that the branch guidewire lumen is connected to the branch guidewire insertion port (7) through a first single lumen tube (6a), the adapter connects the main guidewire lumen to the main guidewire insertion port (8) through a second single lumen tube (6b), and the adapter connects the insufflation lumen to the insufflation port (9) through a third single lumen tube (6 c).

3. A balloon catheter according to claim 2, characterized in that the balloon is fixed to the outer tube, and the outer tube (3) inside the balloon is provided with balloon through holes (10) communicating with the gas injection port.

4. The balloon catheter of claim 2 wherein the bifurcation guidewire insertion port, the main guidewire insertion port and the insufflation port are all luer fittings.

5. A balloon catheter according to claim 1, characterized in that the balloon proximal and distal ends are provided with visualization rings (1).

6. A balloon catheter according to claim 5, characterized in that the visualization ring (1) is fixedly bonded to the outer tube (3).

7. A balloon catheter according to claim 1, wherein the outer tube (3) is provided at its proximal end with a joint (5), the joint (5) injection moulding the first (6a), second (6b) and third (6c) single lumen tubes to the outer tube respectively.

8. A balloon catheter according to claim 1 wherein the balloon in the expanded state acts as a stop for the guidewire protruding from the branch guidewire exit port (12).

Images