CN111803782A

CN111803782A - Plastic catheter device for hystero-salpingography

Info

Publication number: CN111803782A
Application number: CN202010829763.2A
Authority: CN
Inventors: 马时及; 章建昌; 朱孙瑜; 霍岷
Original assignee: Shanghai Shangyi Kangge Medical Instruments Co ltd
Current assignee: Shanghai Shangyi Kangge Medical Instruments Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-10-23

Abstract

The invention discloses a plastic hysterosalpingography catheter device, which comprises a catheter body, wherein a liquid passage is arranged at the axis of the catheter body, one end of the catheter body is connected with a conical uterine plug, the other end of the catheter body is connected with a connector, at least one fixed cavity is arranged in the tube wall of the catheter body along the length direction, and at least part of the fixed cavity is internally provided with a fixed object capable of shaping the catheter body. The plastic hysterosalpingography catheter device is simple and ingenious in structural design, can safely, reliably and conveniently treat the uterine cavity inflammation by using ozone, and is convenient to operate, and the catheter body can be freely deformed.

Description

Plastic catheter device for hystero-salpingography

Technical Field

The invention relates to the technical field of medical instruments, in particular to a plastic uterus oviduct radiography catheter device for uterus radiography and liquid-passing ventilation treatment.

Background

Hysterosalpingography (HSG) examination is a common examination procedure in early modern gynecological examinations and it is usually possible to examine the cause and the location of the fallopian tube disease, and many women with infertility want to find out the cause of the disease.

The uterus oviduct radiography is that contrast agent is injected into a uterine cavity and an oviduct through a catheter, X-rays are used for fluoroscopy and radiography, and then the patency degree of the oviduct, the blocked part and the shape of the uterine cavity are analyzed according to the developing condition of the contrast agent in the oviduct and a pelvic cavity.

With the development of interventional technology, materials science and imaging in recent years, Selective Salpingography (SSG) and salpingography (FTR) have gradually replaced Hysterosalpingography (HSG) as a common treatment modality.

In the operation process of selective oviduct radiography, an oviduct catheter enters a uterine cavity, and when radiography dredging and ozone treatment are carried out on the uterus and the oviduct, a contrast agent needs to be injected by means of an external sheath of the catheter, and the contrast agent is prevented from overflowing the uterus to influence the examination and treatment effects. As the cup cover type sheath tube needs to be provided with various models according to the size of the uterus of a patient, the cervix is tightly pressed by the cup mouth, and the mucosa is easily damaged, so that bleeding is caused.

Therefore, the present inventors have made an extensive study on how to design a plastic hysterosalpingography catheter device that can solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a plastic hysterosalpingography catheter device which is simple and ingenious in structural design, can safely, reliably and conveniently treat the uterine cavity inflammation by ozone, and is convenient to operate, and a catheter body can be freely deformed.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a plastic type uterus oviduct radiography pipe device, includes the pipe body, the axle center of pipe body is equipped with logical liquid passageway, the one end of pipe body is connected with toper palace stopper, the other end attach fitting of pipe body, be equipped with at least one along length direction in the pipe wall of pipe body and decide the die cavity, wherein at least part it can make the moulding design thing of pipe body to decide the intracavity to be equipped with.

The plastic uterus oviduct radiography conduit device is characterized in that the fixed cavity is a channel or an open slot which is not coaxial with the liquid passage channel and is arranged at intervals, and the size of the cross section of the fixed cavity is smaller than that of the cross section of the liquid passage channel.

The invention relates to a plastic catheter device for hysterosalpingography, wherein a shaping object is a metal shaping wire or a spring guide wire.

The plastic catheter device for hystero-salpingography is characterized in that the fixed cavity is a channel or an open slot which is coaxial with the liquid passage and has an annular cross section.

The plastic uterus oviduct angiography catheter device comprises a fixing object, a fixing device and a fixing device, wherein the fixing object is a metal net or a spring guide wire, and the metal net or the spring guide wire is inserted into the channel or the open slot.

The plastic hysterosalpingography catheter device comprises a catheter body, wherein the hardness of the material of the wall of the catheter body between a fixed cavity and a liquid passage is higher than that of the material of the outer tube wall of the fixed cavity.

The invention relates to a plastic uterine tube angiography catheter device, wherein a uterine plug is an arc cone, two ends of the uterine plug are in smooth arc transition, and the cross section of the large end of the uterine plug is in an oval shape.

The plastic uterine tube angiography catheter device is characterized in that a cavity is formed in the uterine plug along the axial lead, and one end of the catheter body is connected with the cavity in a sealing insertion mode.

The plastic type uterus oviduct angiography catheter device provided by the invention is characterized in that the diameter of the cross section of the liquid passing channel is more than or equal to 2.4mm, and the length of the catheter body is more than or equal to 210 mm.

The invention relates to a plastic uterus oviduct radiography catheter device, wherein a catheter body, a uterine plug and a connector are all made of medical high polymer materials.

After the scheme is adopted, the plastic uterine tube angiography catheter device has the following beneficial effects:

1. the uterine plug connected with one end of the catheter body is designed into an arc cone, the catheter device is used for hysterography, so that the arc end of the uterine plug can be ensured to enter the cervical orifice, the damage to the cervical orifice is reduced, the contrast agent is prevented from overflowing from a gap of the cervical orifice, and the inflammation of uterine cavity can be safely, reliably and conveniently treated by ozone; the doctor does not need to spend energy on adjusting the angle of the catheter;

2. the cross section of the big end part of the uterine plug is designed to be oval, so that the uterine plug can be used for irregular cervical openings of patients with three symptoms of primary infertility, secondary infertility and abortion, and has wider application range and more humanization;

3. the uterine plug, the catheter body and the joint are made of medical high polymer materials, so that the uterine plug, the catheter body and the joint are designed in clinical use, cannot be oxidized by ozone or contrast agents, and are safer and more reliable to use;

4. the joint adopts 6: 100 luer connector, this connector tail end mountable check valve or three-way valve can prevent the liquid medicine adverse current better.

Drawings

FIG. 1 is a schematic view of the external structure of the plastic hysterosalpingography catheter device of the present invention;

FIG. 2 is a front view of the uterine plug of the present invention;

FIG. 3 is a schematic cross-sectional view of a catheter body of a plastic hysterosalpingography catheter apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a catheter body of a second embodiment of the moldable hysterosalpingography catheter device of the present invention;

FIG. 5 is a schematic cross-sectional view of a catheter body of a third embodiment of the moldable hysterosalpingography catheter device of the present invention;

FIG. 6 is a schematic view of a mesh structure of a third embodiment of a plastic hysterosalpingography catheter apparatus of the present invention;

FIG. 7 is a reference view of a third embodiment of the plastic hysterosalpingography catheter apparatus of the present invention in use.

Detailed Description

The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.

As shown in figure 1, the plastic type uterus oviduct angiography catheter device comprises a catheter body 1, wherein the catheter body 1 is made of medical polymer materials. Referring to fig. 3, the axis of the catheter body 1 is provided with a liquid passage 2, the cross section of the liquid passage 2 is circular, one end (i.e. the right end in the figure) of the catheter body 1 is connected with a tapered uterine plug 3, and the uterine plug 3 is made of medical polymer material. Referring to fig. 2, the uterine plug 3 is a circular cone, both ends of the uterine plug 3 are smooth circular transition, and the cross section of the big head of the uterine plug 3 is oval. The uterine plug 3 is provided with a cavity 4 along the axial lead, and the right end of the catheter body 1 is hermetically inserted with the cavity 4 through a sealing ring. The left end of the catheter body 1 is connected with a joint which is made of medical polymer materials. The joint of the embodiment adopts 6: 100, the tail end of the luer connector 5 is used for connecting with a one-way valve or a three-way valve.

At least one fixed cavity is arranged in the pipe wall of the catheter body 1 along the length direction, wherein at least part of the fixed cavity is internally provided with a fixed object which can shape the catheter body. Referring to fig. 3, the number of the fixed cavity is one, the fixed cavity is a channel or an open slot which is not coaxial with the liquid passage 2 and is arranged at an interval, and the fixed cavity is a channel 6. The cross-sectional dimension of the channel 6 is smaller than the cross-sectional dimension of the through-flow channel 2. The cross sections of the liquid through

channels

2 and 6 are circular, the cross section diameter of the liquid through channel 2 is larger than or equal to 2.4mm, and the length of the catheter body 1 is larger than or equal to 210 mm.

The channel 6 is provided with a shaped object which is a metal shaped wire 7.

Fig. 4 is a schematic sectional view of a catheter body of a second embodiment of the plastic hysterosalpingography catheter apparatus of the present invention, wherein most of the structure of the second embodiment is the same as the structure of the catheter apparatus shown in fig. 1-3, and the same parts are not repeated, except for: the fixed cavity of the embodiment is an open groove 8 which is coaxial with the liquid passage 2 and has an annular cross section, the fixed object is a spring guide wire 9, and the spring guide wire 9 is inserted into the open groove 8.

Fig. 5 is a schematic sectional view of a catheter body of a third embodiment of the plastic hysterosalpingography catheter apparatus of the present invention, wherein most of the structure of the third embodiment is the same as the second embodiment of the catheter apparatus shown in fig. 4, and the same parts are not repeated, except for: the design chamber of this embodiment sets up to two, and two design chamber are for leading to the cross section of liquid passageway 2 coaxial axle center for annular first open slot 10 and second open slot, and first open slot 10 is close to logical liquid passageway 2, and logical liquid passageway 2 is kept away from to the second open slot, and the second open slot is located the outside region of first open slot 10, wherein does not set up the design thing in the first open slot 10, and is provided with the design thing in the second open slot, and it is shown with reference to figure 6 that this design thing is tube-shape net piece 11, and this net piece 11 buries in the second open slot, and just is whole with the second open slot.

The first opening groove 10 is arranged to play a role in buffering, when the outer wall of the catheter body 1 is deformed too much, such as being extruded, and the outer wall is deformed into an ellipse, the deformation of the catheter body 1 can be relieved by the first opening groove 10.

The hardness of the pipe wall material between the first open groove 10 and the liquid passing channel 2 on the catheter body 1 is greater than that of the catheter body wall material outside the first open groove. The space between the outer pipe wall and the inner pipe wall of the first open groove 10 gives a certain amount of cushioning to the inner pipe wall to keep the inner diameter of the inner pipe wall from being deformed excessively.

When the uterine neck device is used, the uterine plug 3 connected with one end of the catheter body 1 is designed into an arc cone, the catheter device is used for hysterography, the arc end of the uterine plug 3 can be ensured to enter the cervical orifice so as to reduce the damage to the cervical orifice, the contrast agent is prevented from overflowing from the gap of the cervical orifice, and the inflammation of uterine cavity can be safely, reliably and conveniently treated by ozone, in addition, at least one fixed cavity is arranged on the catheter body 1, and at least part of the fixed cavity is internally provided with a shaped object, as shown in a reference figure 7, the arrangement can ensure that the catheter body 1 can be freely deformed, straightened and bent, and is convenient to operate, and the plastic catheter body 1 ensures that the uterine plug 3 cannot generate deviation when being propped against the cervical orifice due to the height difference between the private part of a patient and a catheter bracket; the angle of the catheter body 1 can be adjusted without the need of the doctor to spend energy; the cross section of the big end part of the uterine plug 3 is designed to be oval, so that the uterine plug can be used for irregular cervical openings of patients with three symptoms of primary infertility, secondary infertility and abortion, and has wider application range and more humanization; the uterine plug 3, the catheter body 1 and the joint 5 are made of medical polymer materials, so that the uterine plug is not oxidized by ozone or contrast agents in clinical use, and the uterine plug is safer and more reliable to use; the joint 5 adopts a 6: 100 luer connector, the tail end of the connector 5 can be provided with a one-way valve or a three-way valve, so that the backflow of the liquid medicine can be better prevented.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.

Claims

1. The utility model provides a plastic type uterus oviduct radiography pipe device, its characterized in that, includes the pipe body, the axle center of pipe body is equipped with logical liquid passageway, the one end of pipe body is connected with toper palace stopper, the other end attach fitting of pipe body, be equipped with at least one along length direction in the pipe wall of pipe body and decide the die cavity, wherein at least part it can make the moulding design thing of pipe body to decide the intracavity to be equipped with.

2. The moldable hysterosalpingography catheter device of claim 1, wherein the molding cavity is a channel or an open slot which is not coaxial with and spaced apart from the fluid passage channel, and the cross-sectional dimension of the molding cavity is smaller than the cross-sectional dimension of the fluid passage channel.

3. The moldable uterotubal imaging catheter device of claim 2, wherein the mold is a metal sizing wire or a spring guide wire.

4. The moldable hysterosalpingography catheter device of claim 1, wherein said molding cavity is a channel or an open channel having a cross-section coaxial with said fluid passage channel that is annular.

5. The moldable uterotubal imaging catheter device of claim 4, wherein said mold is a metal mesh or spring wire that is inserted into said channel or open slot.

6. The moldable hysterosalpingography catheter device of claim 4, wherein a wall of the catheter body between the fixed cavity and the fluid passage has a material hardness greater than an outer wall of the fixed cavity.

7. The moldable hysterosalpingography catheter device of claim 1, wherein the uterine plug is a circular cone, both ends of the uterine plug are smooth circular transition, and the cross-sectional shape of the large end of the uterine plug is an ellipse.

8. The moldable hysterosalpingography catheter device of claim 7, wherein the uterine plug is provided with a cavity along an axial line, and one end of the catheter body is connected with the cavity in a sealing insertion manner.

9. The moldable uterotubal imaging catheter device of claim 1, wherein the cross-sectional diameter of the fluid passage is greater than or equal to 2.4mm and the length of the catheter body is greater than or equal to 210 mm.

10. The moldable hysterosalpingography catheter device of claim 1, wherein the catheter body, the uterine plug, and the connector are made of a medical polymer material.