dual-cavity tubes; one end of the support wire is arranged in the dual-cavity tubes; the other end of the support wire and a support screw threaded cap form the support wire component; the end in threaded connection with the screw threaded cap of the support wire is flat; the dual-cavity tubes are sleeved by the saccule; a closed saccule cavity is defined by the saccule surrounding the dual-cavity tubes; one end of the saccule is sleeved by the protective sleeve; the two ends of the protective sleeve are horn-shaped openings; the middle of the protective sleeve is a straight tube; the spacing interface is connected with the dual-cavity tubes and the protactive sleeve. The vertebral body dilating saccule catheter can protect the saccule; the saccule dilating catheter is limited to enter a human body too long; the vertebral body dilating saccule catheter is relatively simple in assembly; connection between the support wire and the support nut is relatively firm.
权利要求(10) 翻译自中文
A vertebral dilatation balloon catheter, the balloon assembly comprising successively axially, the sheath, the handle assembly and the support wire assembly, wherein said assembly comprises said double lumen balloon tube; developing markers, filled in the double-lumen tube; supporting wire, one end of the double-lumen tube located inside; the other end of the screw cap is formed with a support wire assembly support; and support one end of the support wire threaded screw cap is flat; the balloon, Set in the double-lumen tube outside and around the double-lumen balloon to form a closed cavity; protective cover, set in the balloon at one end; the protective sleeve for the horn-shaped opening at both ends, in the middle of the straight pipe; limit interface to connect the double-lumen tube and the jacket.
The balloon catheter according to claim 1, wherein said double lumen balloon tube assembly and the composition of the working channel.
Balloon catheter according to claim 1, characterized in that said double-lumen tube is provided with a liquid hole.
4. The balloon catheter according to claim 3, characterized in that said developing markers are disposed before and after the liquid out of the hole.
5. The balloon catheter according to claim 1, characterized in that said tube comprises a double lumen integrally formed of two equal diameter pipes.
6. The balloon catheter according to claim 2, characterized in that the spacing of the double lumen tube and the interface is fixed sheath, and capable of rotational adjustment of the length of the working channel.
Said handle; inner sleeve 7. The balloon catheter according to claim 1, wherein said handle assembly includes a handle, cannula, the sheath and the support wire connection assembly, said support of said wire is located along the axial direction of the rotation handle a circle groove.
Balloon catheter according to claim 7, characterized in that the angle between the handle and the sleeve formed is 20~90. .
According to claim 8 wherein the balloon catheter, characterized in that said hollow handle by a handle.
10. The balloon catheter according to claim 1, characterized in that said double lumen tube diameter smaller than the diameter of the support wire.
说明 翻译自中文
Secure vertebral balloon catheter dilatation

Technical Field

[0001] The invention relates to the field of medical devices, and more particularly, to a vertebral balloon dilatation catheter.

Background

[0002] China's aging population growing, increasing every year caused by osteoporosis and vertebral compression fracture patients, elderly people on life expectancy and quality of life of constant pursuit, income levels continue to increase, making the choice vertebroplasty Minimally invasive surgical treatment of vertebral compression fracture patients will be more and more. Vertebral dilatation balloon catheter is used in combination vertebroplasty equipment package is mainly used when doing percutaneous balloon kyphoplasty surgery, expansion of the vertebral body to form a cavity for injection of bone cement to restore, stabilize the vertebral body.

[0003] Currently, the vertebral balloon dilatation catheter is the double-lumen tube wall, the outer wall of the double-lumen tube, three lateral branches, the balloon cavity consisting of a confined space, further comprising a support wire, sheath, handle component and a support wire assembly further includes a balloon protective sleeve. The airbag protective cover to protect the balloon, the balloon to avoid harm; existing balloon protective sleeve a straight state protection tube, directly sets in the balloon head end, when the balloon can not be smooth The balloon income protection sleeve. Further expansion of existing vertebral balloon catheter doing percutaneous balloon kyphoplasty surgery or when used in combination with vertebroplasty equipment package, when the working channel through the catheter into the body easily long, which led to difficulties in operation . Set the double-lumen tube and process and the complexity of the core tube, high processing costs. And the art of balloon catheters supporting wire assembly is not firmly connected; in addition, the prior art used a balloon catheter is easily misuse continue to be used to harm the health of patients.

DISCLOSURE

[0004] In view of this, the utility model provides a vertebral balloon dilatation catheter, control and adjustment of the channel length. More effective protection of the balloon; supporting wire components are connected securely, safety and low cost.

[0005] To achieve the above object, the present utility model provides the following technical solutions:

[0006] A vertebral balloon dilatation catheters, including balloon assembly axially successively sheath, the handle assembly and a support wire assembly, the balloon assembly comprises a double-lumen tube;

[0007] The developing markers, filling in the double-lumen tube;

[0008] the support wire, one end of the double-lumen tube located inside; the other end of the screw cap is formed with a support wire assembly support; and support one end of the support wire threaded screw cap is flat;

[0009] The balloon package in the double-lumen tube outside and around the double-lumen balloon to form a closed cavity;

[0010] protective cover, set in the balloon at one end; the protective cover for the trumpet-shaped opening at both ends, in the middle of the straight pipe;

[0011] limit interface for connection to the double-lumen tube and the jacket.

[0012] Preferably, the balloon assembly and the double-lumen tubes working channel.

[0013] Preferably, there is provided a liquid hole on the double-lumen tube.

[0014] Preferably, said developing flag are provided before and after the liquid out of the hole.

[0015] Preferably, the double lumen tubing comprising two integrally formed of equal diameter pipes.

[0016] Preferably, the spacing of the double-lumen tube fixed interfaces and jacket, and can be rotated to adjust the length of the working channel. [0017] Preferably, the handle assembly includes a handle,

[0018] casing, connecting the jacket and the support wire assembly, said support wire located within the cannula; the handle along the axial direction of the rotation handle a circle groove.

[0019] Preferably, the angle formed by the sleeve and the handle is 20,0 °.

[0020] Preferably, the handle is made hollow handle.

[0021] Preferably, the diameter of the support wire of a diameter smaller than the double-lumen tube.

[0022] The utility model provides a vertebral expansion balloon catheters, including balloon assembly axially successively sheath, the handle assembly and a support wire assembly, the balloon assembly comprises a double-lumen tube; developing markers fill in the double-lumen tube; supporting wire, located at one end of the double-lumen tube inside; the other end of the threaded cap is formed with the support the support wire assembly; and support one end of the support wire threaded screw cap is flat; ball bag, packaged in a double-lumen tube outside and around the double-lumen balloon to form a closed cavity; protective cover, set in the balloon at one end; the protective cover for the trumpet-shaped opening at both ends, in the middle of the straight pipe; Limit interface to connect the double-lumen tube and the jacket. The utility model provides the vertebral balloon dilatation catheter ends the use of a protective sleeve was flared opening at the repeated contraction and expansion of the balloon, the balloon was easily able to enter the protected Tao, can be well protected balloon from harm, at the same time on the other end of the product can play a very good protection. In addition, when doing percutaneous balloon kyphoplasty and vertebroplasty surgery or joint use of equipment package, and then through the working channel, you can play in restricting the balloon catheter into the body too long; you can also play temporarily fixed dome action bag with a working channel. At the same time, due to the use of the double-lumen tube to replace the original core pipe and the double-lumen tube, so that the balloon catheter assembly easier, improve production efficiency and reduce processing costs, but also reduce production processing risks. In addition, since the end of the support wire connected to the support nut is flat, so with the support Nut larger bonded area, the connection more secure.