The utility model provides a centrum dilation balloon catheter which sequentially comprises a balloon assembly, a protection sleeve, a handle assembly and a supporting wire assembly in the axial direction. The balloon assembly comprises a core pipe, developing marks, a supporting wire, a balloon, an outer pipe, a protection cover and a limiting port. The core pipe is filled with the developing marks. One end of the supporting wire is located in the core pipe, and a supporting wire assembly is formed by the other end of the supporting wire and a supporting threaded nut. The balloon is arranged outside the core pipe in a sleeved mode and surrounds the core pipe to from an airtight balloon cavity. The outer pipe is arranged outside the core pipe in a sleeved mode, one end of the outer pipe is connected with the balloon, and the other end of the outer pipe is connected with the limiting port. The protection cover is arranged at one end of the balloon in a sleeved mode. The two ends of the protection cover are horn-shaped openings, and the middle of the protection cover is a straight pipe. The limiting port is connected with the outer pipe and the protection sleeve. According to the centrum dilation balloon catheter, the balloon can be well protected against damage, and meanwhile the other end of a product can be well protected. In addition, the balloon dilating catheter can be prevented from entering the human body with an excessively-large length, and the function of temporarily fixing the balloon and a work channel is achieved.

A vertebral dilatation balloon catheter, the balloon assembly comprising successively axially, the sheath, the handle assembly and the support wire assembly, wherein the balloon assembly comprises a core tube; developing markers, filling in the core tube; supporting wire, one end of the core tube located inside; the other end of the screw cap is formed with a support wire assembly support; balloon sleeved outside the core tube, and around the core tube to form a closed cavity balloon; outer tube, packaged in the core tube; one end of the balloon and the other end connected to limit access; protective cover, set in the balloon at one end; the protective sleeve is flared at both ends of the opening, the middle of the straight pipe; limit Interface connecting the outer tube and the jacket.
2. The balloon catheter according to claim 1, characterized in that said outer tube and balloon assembly composed of the working channel.
Balloon catheter according to claim 1, characterized in that said developing markers are disposed within said core tube, and the inlet and outlet are located in the balloon.
4. The balloon catheter according to claim 2, characterized in that the outer tube and the stopper fixing sheath interfaces, and can be rotated to adjust the length of the working channel.
Said handle; inner sleeve 5. balloon catheter according to claim 1, characterized in that 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.
6. The balloon catheter according to claim 5, characterized in that the angle between the handle and the sleeve formed is 20~90. .
According to claim 6, wherein the balloon catheter, characterized in that said hollow handle by a handle.
Balloon catheter according to claim 1, characterized in that the diameter of said core tube is less than the diameter of the support wire.

Vertebral balloon dilatation catheter

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 inner wall of the outer tube, the outer wall of the core tube, three lateral branches, the balloon cavity consisting of a confined space, further comprising a support wire, sheath, the handle assembly and a support wire assembly, also includes 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 .

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 balloon.

[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 includes a core tube;

[0007] The developing markers, filled in the core tube;

[0008] the support wire, one end of the core tube located inside; the other end of the support forming a support wire assembly screw cap;

[0009] The balloon package to the core tube outside and around the core tube to form a closed cavity balloon;

[0010] the outer tube, packaged in the core tube; one end of the balloon and the other end connected to limit access;

[0011] 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;

[0012] limit interface for connection to the outer tube and the jacket.

[0013] Preferably, the balloon assembly and the outer tubes working channel.

[0014] Preferably, said developing markers are provided within the core tube, and are located in the inlet and outlet of the balloon.

[0015] Preferably, the limit fixed outer tube and sheath interfaces, and can be rotated to adjust the length of the working channel.

[0016] Preferably, the handle assembly includes a handle,

[0017] 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.

[0018] Preferably, the angle formed by the sleeve and the handle is 20,0 °.

[0019] Preferably, the handle is made hollow handle. [0020] Preferably, the diameter of the support wire is smaller than the diameter of the core tube.

[0021] 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 includes a core tube; developing markers, filled in The core tube; supporting wire, one end of the core tube located inside; the other end of the screw cap is formed with a support wire assembly support; balloon sleeved outside the core tube, and around the core tube to form a closed air balloon cavity; an outer tube, an outer package to the core tube; one end of the balloon and the other end connected to limit access; protective cover, set in the balloon at one end; the protective sleeve is flared at both ends of the opening, the middle of the straight pipe; limit bit interface, connecting the outer 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.

Brief Description

[0022] In order to more clearly illustrate the utility model embodiments or the prior art technical solutions, the following example will be the implementation of the accompanying drawings or described in the prior art requires the use of a simple introduction, Obviously, the description below The drawings are merely the utility model some embodiments, those of ordinary skill in terms of creative effort without precondition, you can also obtain other drawings based on these drawings.

Vertebra [0023] FIG. 1 is a utility model provided by the embodiment of the balloon catheter dilation structure diagram;

[0024] FIG. 2 is a schematic view of a balloon utility model structure provided in the embodiment of the catheter with a protective sleeve;

[0025] Figure 3 is a schematic view of the structure of the new utility provided by the embodiment of the balloon catheter having a self-destruct of the handle.

DETAILED DESCRIPTION

[0026] The utility model discloses a working channel length can be controlled and protected vertebral balloon dilatation balloon catheter.

[0027] The invention will now be combined with the new embodiment of the drawings, an embodiment of the present utility model technical program clear, complete description of embodiments, it is clear that the described embodiments are only part of the utility model, rather than all embodiments. Based on the utility model embodiment, all other embodiments by those of ordinary skill in the creative work did not make the premise obtained, are within the scope of the present utility model protection.

[0028] A vertebral body 1, as shown in FIG. 3 and FIG present utility model provides two dilatation balloon catheters, including balloon assembly axially in turn, the sheath 6, the handle assembly 7 and the support wire assembly 8, The balloon assembly 2 comprises a core tube; developing numeral 1, is filled in the core tube; supporting wire 81, one end of said core tube located inside; the other end of the screw cap 82 is formed with a support wire assembly 8 supported; balloon 3 , packaged in the core tube outside and around the core tube sealed balloon cavity 31 is formed; an outer tube 4, packaged in the outer core tube 2; 3 Connect one end of the balloon and the other end connected to the limit interface 5; protection sleeve 19, set in the balloon 3 - end; the protective cover for the trumpet-shaped opening at both ends, in the middle of the straight pipe; limit interface 5, connected to the outer tube 4 and the jacket 6.

[0029] According to the present utility model, the prior art balloon catheter is used to protect the ends of the intermediate sleeve flared straight tube repeat balloon dilation and contraction, due to the flared opening can better adapt shape balloon, so the balloon into the protective cover more comfortable, can effectively protect the balloon, while the other end of the product can also play a very good protection.

[0030] According to the present utility model, the balloon assembly and outer tubes L working channel as shown in Fig. The developing markers are provided within the core tube, and are located in the inlet and outlet of the balloon. The limit fixed outer tube and sheath interfaces, and can be rotated to adjust the length of the working channel. Limit the use of the interface can be in the rotation of the adjustment path length limit Interface tighten temporarily fixed the working channel and the balloon, which can do when percutaneous balloon kyphoplasty or vertebroplasty surgery forming equipment package used in combination, and then through the working channel, you can play in restricting the balloon catheter into the body too long:;

[0031] According to the present utility model, the handle assembly includes a handle 72, a casing 72, connecting the jacket 6 and the support wire assembly 8, said support wire located within the casing; the handle along the axis of the handle rotating a circle groove 73. The angle formed by the sleeve and the handle is 20,0 °. The handle is made of hollow handle. So after balloon catheter use, to the groove 73 is biased so that the handle can break, so that the balloon catheter can not be used again, to maintain the health of patients.

[0032] In summary, the vertebrae of the utility model provides the use of a balloon catheter dilation was protective sleeve ends flared opening at the repeated contraction and expansion of the balloon, the balloon was easily able to enter the protected inner Tao , the balloon can be well protected 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 when you can play in restricting the balloon catheter into the body too long:; it can also play temporarily fixed the role of the balloon with the working channel.

[0033] In various embodiments of the present specification using progressive manner described, different from all the other embodiments of the example highlights of each of the embodiments, the same or similar portions between the various embodiments can see each other.

[0034] The above description of the disclosed embodiments, so that the skilled in the art to make or use the utility model. These various modifications to the field of professional and technical personnel embodiments will be apparent, the general principles defined herein may be made without departing from the spirit of the utility model or range, implemented in other embodiments. Thus, the utility model will not be limited to these embodiments shown herein, but rather to meet consistent with the principles disclosed herein, and novel features of the widest range.