CN209827918U - Interventional therapy catheter capable of improving ultrasonic detection sensitivity - Google Patents

Abstract

The utility model discloses a can improve interventional therapy pipe of ultrasonic testing sensitivity, including the pipe body and with the connecting pipe that the pipe body links to each other, be provided with a plurality of archs and recess on the lateral wall of pipe body, the arch includes bellying and grafting portion, be provided with on the lateral wall of pipe body with the corresponding spliced eye of grafting portion, the spliced eye is the blind hole, grafting portion with the detachable mode with the spliced eye peg graft and with the bottom of spliced eye is separated by and is formed the clearance, the surface rounding off of bellying. The utility model discloses a set up the clearance on the pipe body, the ultrasonic wave meets the interface of different media when propagating, can improve the detection sensitivity of ultrasonic detection time measuring, improves and detects the precision, and is harmless basically to the health moreover, has satisfied medical personnel's needs.

Description

Interventional therapy catheter capable of improving ultrasonic detection sensitivity

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to can improve intervention treatment pipe of ultrasonic detection sensibility

Background

Interventional therapy is a minimally invasive therapy carried out by modern high-tech means, namely, under the guidance of medical imaging equipment, special catheters, guide wires and other precise instruments are introduced into a human body to diagnose and locally treat internal diseases. The digital technology is applied to interventional therapy, the visual field of a doctor is expanded, the hands of the doctor are prolonged by means of the catheter and the guide wire, and the incision (puncture point) of the doctor is only rice grain in size, so that a plurality of diseases which cannot be treated in the past and have poor curative effect such as tumors, hemangiomas, various kinds of bleeding and the like can be treated without cutting human tissues. The interventional therapy has the characteristics of no operation, small wound, quick recovery and good effect. Is the development trend of future medicine.

At present, intervention pipe can all be used to great majority's pathological change type, generally has X-ray to detect and ultrasonic testing to the position detection of interveneeing the pipe, but adopts X-ray to shine to detect for a long time and all have very big negative effects to medical personnel and patient, if adopt ultrasonic testing to have the inaccurate problem in measurement position again, influence the progress of treatment and the accuracy that detects.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an improve intervention treatment pipe of supersound sensitivity can improve the detection sensitivity when ultrasonic detection, improves and detects the precision, and is harmless basically to human health moreover, has satisfied medical personnel's needs.

Can improve intervention treatment pipe of ultrasonic testing sensitivity, including the pipe body and with the connecting pipe that the pipe body links to each other, be provided with a plurality of archs and recess on the lateral wall of pipe body, the arch includes bellying and grafting portion, be provided with on the lateral wall of pipe body with the corresponding spliced eye of grafting portion, the spliced eye is the blind hole, grafting portion with detachable mode with the spliced eye peg graft and with the bottom of spliced eye is separated by and is formed the clearance, the surface rounding off of bellying.

Further, the inserting part is cylindrical, and the catheter body and the inserting part are sealed through a sealing element.

Furthermore, the outer surface of the insertion part is provided with external threads, the inner side surface of the insertion hole is provided with internal threads, and the catheter body is connected with the insertion part through the threads.

Furthermore, the sealing element is an annular sealing ring, and an annular groove for positioning the annular sealing ring is formed on the insertion part.

Further, the protrusion and the groove are respectively annularly arranged in the circumferential direction of the catheter body.

Furthermore, the grooves on the same section are communicated with each other at first to form an annular groove.

Further, the pipe wall of the catheter body sequentially comprises an outer layer, an elastic connecting layer and an inner layer from outside to inside, and a guide wire channel is formed by a central through hole of the inner layer.

Furthermore, an annular cavity is formed between the outer layer and the inner layer in the catheter body, the axial direction of the annular cavity is parallel to the axial direction of the catheter body, and the annular cavity is filled with a plurality of elastic particles to form the elastic connecting layer.

Furthermore, the elastic particles are rubber particles, and the rubber particles are round spherical particles with smooth surfaces.

Further, the one end of pipe body is provided with the pipe cap, the pipe cap with the pipe body can be dismantled and be connected, the pipe cap is used for the compaction elasticity granule in the ring intracavity, the pipe cap is the frustum type, the center of pipe cap with the central through-hole intercommunication of pipe body, integrated into one piece has the ring post on the pipe cap terminal surface, be provided with the external screw thread on the ring post, it is provided with the internal thread to correspond on the inner wall that the ring chamber is located pipe cap one end.

The utility model has the advantages that: the utility model discloses treatment catheter, including the pipe body and with the connecting pipe that the pipe body links to each other, be provided with a plurality of archs and recess on the lateral wall of pipe body, the arch includes bellying and grafting portion, be provided with on the lateral wall of pipe body with the corresponding spliced eye of spliced portion, the spliced eye is the blind hole, the spliced portion with the detachable mode with the spliced eye peg graft and with the bottom of spliced eye is separated by and is formed the clearance, the surface rounding off of bellying. The utility model discloses a set up the clearance on the pipe body, the ultrasonic wave meets the interface of different media when propagating, can improve the detection sensitivity of ultrasonic detection time measuring, improves and detects the precision, and is harmless basically to the health moreover, has satisfied medical personnel's needs.

This internal annular chamber that forms of pipe between skin and the inlayer, the axial of annular chamber and the axial direction parallel of pipe body are through filling a plurality of elastic particles in the annular chamber, let the pipe body have certain elasticity resilience ability, can not influence the ability of resisting elastic deformation simultaneously, can let the pipe get into crooked blood vessel more easily, make things convenient for going on of operation.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic cross-sectional view of embodiment 1 of the present invention;

FIG. 3 is a schematic view of the connection of the protrusions of the present invention;

fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 is the structural schematic diagram of embodiment 1 of the present invention, fig. 2 is the cross-sectional schematic diagram of embodiment 1 of the present invention, fig. 3 is the convex connection schematic diagram of the present invention, fig. 4 is the structural schematic diagram of embodiment 2 of the present invention. Can improve intervention treatment pipe of ultrasonic testing sensitivity, including pipe body 1 and with connecting pipe 2 that pipe body 1 links to each other, be provided with a plurality of archs 3 and recess 4 on the lateral wall of pipe body 1, arch 3 includes bellying 301 and grafting portion 302, be provided with on the lateral wall of pipe body 1 with grafting portion 302 corresponding spliced eye 5, spliced eye 5 is the blind hole, grafting portion 302 with detachable mode with spliced eye 5 peg graft and with the bottom of spliced eye 5 is separated by and is formed the clearance, the smooth and smooth transition of surface of bellying 301.

This embodiment is through setting up the clearance on catheter body 1, and the clearance exists catheter body 1's outer wall inside, can fill liquid, also can directly seal, and when the ultrasonic wave was propagated, the ultrasonic wave met the interface of different media, can improve the detection sensitivity when ultrasonic detection, improved the detection precision, and is basically harmless to the health in addition, has satisfied medical personnel's needs.

In this embodiment, the insertion part 302 is cylindrical, and the catheter body 1 and the insertion part 302 are sealed by the sealing member 6, so as to prevent air or liquid in the gap from entering the blood vessel. The outer surface of the insertion part 302 is provided with external threads, the inner side surface of the insertion hole 5 is provided with internal threads, and the catheter body 1 is connected with the insertion part 302 through the threads, so that the catheter is convenient to detach.

In this embodiment, the sealing element 6 is an annular sealing ring, and the insertion portion 302 is formed with an annular groove for positioning the annular sealing ring, so that the sealing ring is positioned, the assembly is convenient, and the sealing effect is better.

In this embodiment, the protrusion 3 and the groove 4 are respectively and annularly arranged in the circumferential direction of the catheter body 1, and the grooves 4 on the same cross section are communicated with each other at the head to form an annular groove, so that the processing of the grooves 4 is facilitated, and the cost is reduced.

In this embodiment, the pipe wall of catheter body 1 includes skin 101, elastic connection layer 102 and inlayer 103 from outside to inside in proper order, the central through hole of inlayer 103 forms the seal wire passageway, form the ring chamber between skin 101 and inlayer 103 in catheter body 1, the axial of ring chamber is parallel with the axial of catheter body 1, the intussuseption of ring chamber is filled with a plurality of elastic particles and is formed the elastic connection layer. The catheter body 1 has certain elastic recovery capability, meanwhile, the capability of resisting elastic deformation is not influenced, and the catheter can enter a bent blood vessel more easily, so that the operation is convenient to carry out. The elastic particles are rubber particles, and the rubber particles are spherical particles with smooth surfaces. The spherical particles with smooth surfaces are arranged, so that the particles can move mutually, the elastic recovery capability of the catheter body 1 is improved, and the easiness of the catheter entering blood vessels is improved.

In this embodiment, the one end of pipe body 1 is provided with pipe cap 7, pipe cap 7 with pipe body 1 can dismantle the connection, pipe cap 7 is used for the compaction elasticity granule in the ring intracavity, pipe cap 7 is the frustum type, the center of pipe cap 7 with the central through-hole intercommunication of pipe body 1, integrated into one piece has ring post 8 on the pipe cap 7 terminal surface, be provided with the external screw thread on the ring post 8, the ring chamber is located and corresponds on the inner wall of pipe cap 7 one end and is provided with the internal thread.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (10)

1. Can improve intervention treatment pipe of ultrasonic detection sensitivity which characterized in that: including the pipe body and with the connecting pipe that the pipe body links to each other, be provided with a plurality of archs and recess on the lateral wall of pipe body, the arch includes bellying and grafting portion, be provided with on the lateral wall of pipe body with the corresponding spliced eye of spliced portion, the spliced eye is the blind hole, grafting portion with the detachable mode with the spliced eye peg graft and with the bottom of spliced eye is separated by and is formed the clearance, the surface rounding off of bellying.

2. The interventional catheter of claim 1, wherein the catheter comprises: the inserting part is cylindrical, and the catheter body and the inserting part are sealed through a sealing element.

3. The interventional catheter of claim 2, wherein the catheter comprises: the outer surface of the insertion part is provided with external threads, the inner side surface of the insertion hole is provided with internal threads, and the catheter body is connected with the insertion part through the threads.

4. The interventional catheter of claim 3, wherein the catheter comprises: the sealing element is an annular sealing ring, and an annular groove for positioning the annular sealing ring is formed in the inserting part.

5. The interventional therapy catheter of claim 4, wherein the catheter comprises: the protrusions and the grooves are respectively annularly arranged on the circumference of the catheter body.

6. The interventional catheter of claim 5, wherein the catheter comprises: the first positions of the grooves on the same section are communicated with each other to form an annular groove.

7. The interventional therapy catheter of claim 6, wherein the catheter comprises: the pipe wall of the catheter body sequentially comprises an outer layer, an elastic connecting layer and an inner layer from outside to inside, and a guide wire channel is formed by a central through hole of the inner layer.

8. The interventional therapy catheter of claim 7, wherein the catheter comprises: an annular cavity is formed between the outer layer and the inner layer in the catheter body, the axial direction of the annular cavity is parallel to the axial direction of the catheter body, and the annular cavity is filled with a plurality of elastic particles to form the elastic connecting layer.

9. The interventional catheter of claim 8, wherein the catheter comprises: the elastic particles are rubber particles, and the rubber particles are spherical particles with smooth surfaces.

10. The interventional catheter of claim 9, wherein the catheter comprises: the pipe comprises a pipe body and is characterized in that a pipe cap is arranged at one end of the pipe body and detachably connected with the pipe body, the pipe cap is used for compacting elastic particles in an annular cavity, the pipe cap is in a frustum shape, the center of the pipe cap is communicated with a central through hole of the pipe body, an annular column is integrally formed on the end face of the pipe cap, external threads are arranged on the annular column, and internal threads are correspondingly arranged on the inner wall of one end, located at the pipe cap, of the annular cavity.