CN211749776U

CN211749776U - Fixing component and guiding catheter access and closing device using same

Info

Publication number: CN211749776U
Application number: CN201922163258.4U
Authority: CN
Inventors: 唐烈; 谢鹏
Original assignee: Polyrey Medical Tech Suzhou Co ltd
Current assignee: Polyrey Medical Tech Suzhou Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-10-27
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a fixed subassembly, including limiting plate, guide bar and centre gripping pipe, limiting plate, guide bar and centre gripping pipe are hollow structure, the one end of guide bar is passed the limiting plate just stretches into in the centre gripping pipe, the centre gripping pipe includes centre gripping pipe body, sets up along the circumference interval a plurality of through-holes on the centre gripping pipe body, the inner wall lower extreme of centre gripping pipe body with the guide bar is connected. The utility model also discloses a guide pipe inserts and closing device. The utility model discloses need not impale on organizing, avoid permanently implanting on organizing the wall, and can provide a direction passageway for the guide catheter in advance, improve the accuracy that the guide catheter placed to the realization is to medicine or the accurate control of intervention apparatus at the operation in-process, and convenient operation can more effectually go on, reduces the operating time of operation, reduces the risk of operation, increases the success rate of operation.

Description

Fixing component and guiding catheter access and closing device using same

Technical Field

The utility model belongs to the technical field of medical instrument, especially, fixed subassembly and use this fixed subassembly's guide pipe to insert and closing device.

Background

The guiding catheter is an indispensable auxiliary device in the interventional operation. When the guide catheter is used as a channel for percutaneous interventional operation, the guide catheter cannot be controlled due to the fact that hands of an operator shake and the like after entering a human body, so that the guide catheter is inaccurate in positioning, inaccurate in conveying positions of medicines, interventional instruments and the like, risks can be generated in the operation process, and operation is not facilitated.

SUMMERY OF THE UTILITY MODEL

It is not enough to prior art, an object of the utility model is to provide a fixed subassembly and use this fixed subassembly's guide pipe to insert and closing device.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides a fixed subassembly, includes limiting plate, guide bar and centre gripping pipe, limiting plate, guide bar and centre gripping pipe are hollow structure, the one end of guide bar is passed the limiting plate just stretches into in the centre gripping pipe, the centre gripping pipe includes the centre gripping pipe body, sets up along the circumference interval a plurality of through-holes on the centre gripping pipe body, the inner wall lower extreme of centre gripping pipe body with the guide bar is connected.

As a further improvement of the utility model, the clamping pipe body is cylindrical.

As a further improvement of the utility model, the through hole is in a shape of a long strip.

As a further improvement, the central line of the limiting plate, the central line of the guide rod and the central line of the clamping pipe body are all located on the same straight line.

The utility model provides a guide pipe inserts and closing device, includes fixed subassembly, the other end intercommunication of guide bar has first access stand pipe, the free end of first access stand pipe is provided with first access mouth, the other end intercommunication of centre gripping pipe has the second to insert the stand pipe, the free end that the second inserted the stand pipe is provided with the second and inserts the mouth.

As a further improvement of the present invention, the diameter of the second access port is along keeping away from the direction that the second accesses the stand pipe reduces gradually.

As a further improvement, the guide bar is provided with an expansion handle, the guide bar is provided with a stroke strip, and the stroke strip is connected with the expansion handle.

As a further improvement of the utility model, the guide rod is also provided with a main handle.

The utility model has the advantages that:

the utility model discloses need not impale on organizing, avoid permanently implanting on the tissue wall, avoid influencing the tissue growth, improve the security, and can provide a direction passageway for the guide pipe in advance, improve the accuracy that the guide pipe was placed to the realization is to the medicine or intervene the accurate control of apparatus at the operation in-process, and the convenient operation can more effectually go on, reduces the operating time of operation, reduces the risk of operation, increases the success rate of operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of an initial state of a fixing assembly according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural view of a use state of the fixing assembly according to the preferred embodiment of the present invention;

FIG. 3 is a schematic view of the initial configuration of the guide catheter access and closure device of the preferred embodiment of the present invention;

FIG. 4 is a schematic view of a post-use configuration of a guide catheter access and closure device in accordance with a preferred embodiment of the present invention;

FIG. 5 is a schematic view of the initial state structure of the clamping tube according to the preferred embodiment of the present invention;

FIG. 6 is a schematic view of a compressed state of the clamp tube according to the preferred embodiment of the present invention;

in the figure: 10. the device comprises a limiting plate, 12, a guide rod, 14, a clamping pipe, 16, a clamping pipe body, 17, a through hole, 18, human tissue, 19, a guide catheter, 20, a first access guide pipe, 22, a first access port, 24, a second access guide pipe, 26, a second access port, 28, an unfolding handle, 30, a stroke strip, 32 and a main handle.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Referring to fig. 1, 2, 4 and 5, the present invention provides a fixing assembly, which comprises a limiting plate 10, a guiding rod 12 and a clamping tube 14, wherein the limiting plate 10, the guiding rod 12 and the clamping tube 14 are hollow structures, one end of the guiding rod 12 passes through the limiting plate 10 and extends into the clamping tube 14, the clamping tube 14 comprises a clamping tube body 16 and a plurality of through holes 17 arranged on the clamping tube body 16 at intervals along the circumferential direction, the lower end of the inner wall of the clamping tube body 16 is connected with the guiding rod 12, when the guiding rod 12 is pulled upwards to drive the lower end of the inner wall of the clamping tube body 16, the upper end of the clamping tube body 16 is blocked by the limiting plate 10, so that the clamping tube body 16 is compressed to expand transversely to clamp the human tissue 18 and fix the human tissue 18, thereby facilitating the placement of a guiding catheter 19 and improving the success rate of the surgery without puncturing the tissue, can be taken out from the tissue 18 after use, avoid being permanently implanted on the tissue wall, avoid influencing the growth of the tissue 18 and improve the safety.

To facilitate the deformation of the clamp tube body 16, the preferred clamp tube body 16 of the present invention is cylindrical.

In order to improve the stability of the clamping to the human tissue 18, the utility model discloses preferred through-hole 17 is rectangular shape.

For reduce cost, improve the convenience and the steadiness of installation, the utility model discloses the central line of preferred limiting plate 10, the central line of guide bar 12 and the central line of centre gripping pipe body 16 all are located same straight line.

Referring to fig. 1-6, the present invention further provides a guiding catheter inserting and closing device, which comprises the above fixing assembly, the other end of the guiding rod 12 is connected to a first inserting guiding tube 20, the free end of the first inserting guiding tube 12 is provided with a first inserting opening 22, the other end of the clamping tube 14 is connected to a second inserting guiding tube 24, and the free end of the second inserting guiding tube 24 is provided with a second inserting opening 26.

In order to avoid fluctuations when the guide catheter 19 is accessed, the present invention preferably has the diameter of the second access port 26 gradually decreasing in a direction away from the second access guide tube 24.

The utility model discloses wear to be equipped with expansion handle 28 on the preferred guide bar 12, remove guide bar 12 through holding expansion handle 28 to drive the quick centre gripping of centre gripping pipe body 16 and fix on human tissue 18, be provided with stroke strip 30 in the guide bar 12, stroke strip 30 is connected with expansion handle 28, and guide bar 12 can adopt transparent material, and the shift position through observing stroke strip 30 is so that learn the shift position of the centre gripping pipe body 16 in human tissue 18, convenient and fast.

In order to further improve the convenience of installation of the device and facilitate the operation of the operator, the preferred guide rod 12 of the present invention is further provided with a main handle 32.

Taking human tissue 28 as an example of a heart, when the device is used, the device is close to the apex of the heart, a needle is inserted through the first access guide tube 20, the guide rod 12, the clamping tube body 16 and the second access guide tube 24 to puncture the apex of the heart, the device is pushed towards the heart until the limiting plate 10 contacts the surface of the heart, the guide rod 12 is pulled back by the unfolding handle 28, the clamping tube body 16 is compressed to be unfolded along the transverse direction, the clamping tube body is clamped and fixed on the heart, and the guide catheter 19 sequentially passes through the first access port 22, the first access guide tube 20, the guide rod 12, the clamping tube body 16, the second access guide tube 24 and the second access port 26, so that the guide catheter 19 is guided and fixed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a fixed subassembly, its characterized in that, includes limiting plate, guide bar and centre gripping pipe, limiting plate, guide bar and centre gripping pipe are hollow structure, the one end of guide bar is passed the limiting plate just stretches into in the centre gripping pipe, the centre gripping pipe includes centre gripping pipe body, sets up along the circumference interval a plurality of through-holes on the centre gripping pipe body, the inner wall lower extreme of centre gripping pipe body with the guide bar is connected.

2. The securing assembly of claim 1, wherein said clamp tube body is cylindrical.

3. A securing arrangement according to claim 2, wherein said through-hole is elongate.

4. A securing assembly according to claim 3, wherein the centre line of the retainer plate, the centre line of the guide rod and the centre line of the gripping pipe body are all in the same line.

5. A guide catheter access and closure device, comprising a fixing assembly as claimed in any one of claims 1 to 4, wherein the other end of the guide rod is connected with a first access guide tube, the free end of the first access guide tube is provided with a first access port, the other end of the clamping tube is connected with a second access guide tube, and the free end of the second access guide tube is provided with a second access port.

6. The guide catheter access and closure device of claim 5, wherein the diameter of the second access port decreases in a direction away from the second access guide tube.

7. The guiding catheter access and closure device of claim 5, wherein a deployment handle is threaded through the guiding rod, and a travel bar is disposed within the guiding rod and connected to the deployment handle.

8. The guiding catheter access and closure device of claim 5, wherein the guide rod is further provided with a main handle.