CN221243711U - Catheter device under ultrasonic guidance - Google Patents
Catheter device under ultrasonic guidance Download PDFInfo
- Publication number
- CN221243711U CN221243711U CN202322071879.6U CN202322071879U CN221243711U CN 221243711 U CN221243711 U CN 221243711U CN 202322071879 U CN202322071879 U CN 202322071879U CN 221243711 U CN221243711 U CN 221243711U
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- China
- Prior art keywords
- pipe
- air inlet
- inlet pipe
- catheter
- connecting ring
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 210000001147 pulmonary artery Anatomy 0.000 claims description 22
- 239000003292 glue Substances 0.000 claims description 11
- 238000002604 ultrasonography Methods 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 238000009530 blood pressure measurement Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000007943 implant Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000010339 dilation Effects 0.000 description 4
- 210000003191 femoral vein Anatomy 0.000 description 4
- 238000002513 implantation Methods 0.000 description 3
- 210000005245 right atrium Anatomy 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 206010010970 Cor pulmonale chronic Diseases 0.000 description 1
- 208000035211 Heart Murmurs Diseases 0.000 description 1
- 206010037339 Pulmonary artery stenosis congenital Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004872 arterial blood pressure Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000026636 chronic pulmonary heart disease Diseases 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 210000003111 iliac vein Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 210000003102 pulmonary valve Anatomy 0.000 description 1
- 208000009138 pulmonary valve stenosis Diseases 0.000 description 1
- 210000005241 right ventricle Anatomy 0.000 description 1
- 210000005077 saccule Anatomy 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000000591 tricuspid valve Anatomy 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 210000001631 vena cava inferior Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model belongs to the technical field of ultrasonic catheter equipment, and particularly relates to a catheter device under ultrasonic guidance. The technology comprises a conduit, wherein a first air inlet pipe is independently sleeved on the conduit, a connecting ring is sleeved at the upper end of the conduit, and an air bag is connected between the connecting ring and the upper end of the first air inlet pipe in a sealing way; the lower end of the first air inlet pipe is connected to the outer side wall of the guide pipe in a sealing way, the lower end of the first air inlet pipe is provided with a second air inlet pipe used for connecting an air pump, and the second air inlet pipe is communicated with the interior of the first air inlet pipe; be provided with the piezometer tube that is used for pressure sensor to insert on the pipe lateral wall of first intake pipe below, the piezometer tube communicates with each other with the internal connection of pipe, the lower extreme cover of first intake pipe is equipped with the lantern ring, is provided with a plurality of bandages on the lantern ring, and the one end of bandage is all fixed on the lantern ring, and the other end of bandage all is provided with the adhesion subassembly that is used for the adhesion on the patient on one's body. The utility model avoids the problem of increasing the burden of medical staff as far as possible.
Description
Technical Field
The utility model belongs to the technical field of ultrasonic catheter equipment, and particularly relates to a catheter device under ultrasonic guidance.
Background
In the treatment of congenital pulmonary artery stenosis, chronic pulmonary heart disease and other diseases, a doctor may treat a patient by adopting pulmonary artery balloon dilation, wherein the pulmonary artery balloon dilation is mainly performed by a vascular intervention operation, and the pressure in the pulmonary artery is increased by a balloon dilation mode, so that the pulmonary artery balloon dilation is a preventive operation; when the balloon is implanted into a patient, a catheter is implanted along the femoral vein of the patient under the guidance of ultrasound, the tail end of the rear catheter is implanted into the pulmonary artery, a guide wire is implanted along the catheter, and then the balloon is implanted into the pulmonary artery along the guide wire to dilate the pulmonary artery;
In the implantation process, when the balloon is implanted from the femoral vein to the pulmonary artery through the right atrium, a 'vision blind zone' occurs, so that the problem of inconvenient implantation of the balloon to the pulmonary artery of a patient is caused; and when the pulmonary valve stenosis is before and after the operation is finished, the pulmonary artery needs to be subjected to pressure measurement, and the problem of inaccurate blood pressure measurement can be caused when the existing pressure measurement is performed at present; therefore, in order to solve the above problems, in the prior art, there is a design that a balloon is arranged on a catheter, and the balloon can play a guiding role after being inflated, so that the catheter can conveniently enter a right atrium from a femoral vein; three channels are arranged in the rear duct side by side, and one channel is used for inflating the air bag and is connected with an air inlet valve; another channel for passage of a guidewire; the last channel is convenient for measuring pressure of a patient and is connected with a pressure measuring valve; when in use, the dilating saccule is conveniently implanted into the pulmonary artery of a patient by the cooperation of the three channels in the catheter;
In the above prior art, although several problems in implanting the catheter are solved, when the catheter is implanted in the patient, the plurality of channels of the rear catheter are sequentially connected with the pressure measuring valve and the air inlet valve, the catheter located outside the patient needs to be held by hand, otherwise the air inlet valve and the pressure measuring valve can pull the catheter, which may cause the catheter to be pulled out of the patient, thereby increasing the burden of medical staff.
Disclosure of utility model
The purpose of the utility model is that: a catheter device under ultrasound guidance is provided, which reduces the burden on medical staff.
The catheter device under ultrasonic guidance comprises a vertically arranged catheter, a first air inlet pipe is independently sleeved on the catheter, a connecting ring is sleeved at the upper end of the catheter, and an air bag for conveniently driving the catheter to be implanted into a pulmonary artery is connected between the connecting ring and the upper end of the first air inlet pipe in a sealing manner; the lower end of the first air inlet pipe is connected to the outer side wall of the guide pipe in a sealing way, the lower end of the first air inlet pipe is provided with a second air inlet pipe used for connecting an air pump, and the second air inlet pipe is communicated with the interior of the first air inlet pipe; be provided with the piezometer tube that is used for pressure sensor to insert on the pipe lateral wall of first intake pipe below, the piezometer tube communicates with each other with the internal connection of pipe, the lower extreme cover of first intake pipe is equipped with the lantern ring, is provided with a plurality of bandages on the lantern ring, and the one end of bandage is all fixed on the lantern ring, and the other end of bandage all is provided with the adhesion subassembly that is used for the adhesion on the patient on one's body.
Further, the adhesion component is AB glue.
Further, the outer diameter of the top of the connecting ring is smaller than the outer diameter of the bottom of the connecting ring.
Further, the upper end of the conduit is provided with a metal sheet.
Furthermore, the air bag is made of polyurethane materials.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, after the catheter is implanted into the pulmonary artery of a patient, the implanted catheter can be limited through the cooperation among the lantern ring, the binding belt and the adhesion component, so that the problem of tearing of the catheter is prevented, the subsequent operation of doctors is facilitated, and the problem of increasing the burden of medical staff is avoided as much as possible.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic top view of the collar of FIG. 1;
The names of the components in the figure are as follows: 1. the air bag comprises a metal sheet 2, a guide pipe 3, a connecting ring 4, an air bag 5, a first air inlet pipe 6, a lantern ring 7, a binding belt 8, AB glue 9, a pressure measuring pipe 10 and a second air inlet pipe.
Detailed Description
The present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Examples
The catheter device under ultrasonic guidance of the embodiment, as shown in fig. 1, comprises a vertically arranged catheter 2, wherein a guide wire channel is arranged inside the catheter 2 when the catheter device is used, and a guide wire is implanted from the lower end of the catheter 2 in fig. 1 and then passes out from the upper end of the catheter 2;
As shown in fig. 1, a first air inlet pipe 5 is independently sleeved on a catheter 2, a connecting ring 3 is sleeved at the upper end of the catheter 2, and an air bag 4 for conveniently driving the catheter 2 to be implanted into a pulmonary artery is connected between the connecting ring 3 and the upper end of the first air inlet pipe 5 in a sealing way; the lower end of the first air inlet pipe 5 is connected to the outer side wall of the guide pipe 2 in a sealing way, the lower end of the first air inlet pipe 5 is provided with a second air inlet pipe 10 used for connecting an air pump, and the second air inlet pipe 10 is communicated with the inner part of the first air inlet pipe 5; when the air bag 4 is specifically installed, the air bag 4 is in an oval structure which is vertically communicated, and the upper end opening of the air bag 4 is designed according to the wall thickness of the bottom of the connecting ring 3, so that the upper end opening of the air bag 4 is approximately consistent with the wall thickness of the connecting ring 3, and the upper end opening of the air bag 4 can be connected to the connecting ring 3; the lower end opening of the air bag 4 is designed according to the wall thickness of the first air inlet pipe 5, so that the lower end opening of the air bag 4 is approximately consistent with the wall thickness of the first air inlet pipe 5, and the lower end opening of the air bag 4 can be connected to the first air inlet pipe 5; when the air bags are connected together, in order to realize sealing connection, the openings at the upper and lower ends of the air bags 4, the connecting ring 3 and the first air inlet pipe 5 are integrally formed, so that the sealing performance between the air bags 4 and the connecting ring 3 and between the air bags 5 is improved, and the problem that air leakage occurs at the connecting part of the air bags 4 is avoided; when the lower end of the first air inlet pipe 5 is specifically connected, the first air inlet pipe 5 is a pipeline with the bottom, a through hole is formed in the pipeline, the conduit 2 is installed in the through hole, and no redundant gap exists between the conduit 2 and the through hole; a sealing cavity is reserved between the first air inlet pipe 5 and the air bag 4 and the guide pipe 2; when the inflatable air bag is used, the air pump is connected to the second air inlet pipe 10, so that the air pump can convey air into a sealed cavity reserved between the first air inlet pipe 5 and the air bag 4 and between the air bag and the catheter 2, then the air bag 4 can be inflated, the air bag 4 can be inflated in the inflation process, and after the air bag 4 is inflated, the catheter 2 can be conveniently driven to smoothly cross the tricuspid valve to enter the right ventricle, and finally the pulmonary artery is implanted;
As shown in fig. 1, a pressure measuring tube 9 for connecting a pressure sensor is arranged on the outer side wall of the guide tube 2 below the first air inlet tube 5, and the pressure measuring tube 9 is communicated with the inner connection of the guide tube 2; when in use, the pressure sensor can be connected to the pressure measuring tube 9, and the pressure sensor can detect the pulmonary artery pressure; therefore, the catheter 2 can also be a pressure detection channel, the first air inlet pipe 5 is a channel for inflating the air bag, and the channel is positioned at the outer side of the catheter 2, so that a certain area is occupied because three channels are arranged side by side in the prior art, when the catheter with the three channels is implanted into a blood vessel of a patient, extra damage can be brought to the patient, the design only has two channels, and the two channels are in an inner-outer relation, so that the occupied space of the catheter 2 can be saved, and the problem of damaging the blood vessel is avoided;
As shown in fig. 1 and 2, the lower end of the first air inlet pipe 5 is sleeved with a collar 6, a plurality of straps 7 are arranged on the collar 6, one ends of the straps 7 are fixed on the collar 6, and the other ends of the straps 7 are provided with adhesion components for adhesion on a patient; in use, the binding band 7 can be adhered to the body of a patient by using the adhesion component, because the binding band 7 is fixed on the lantern ring 6, the lantern ring 6 is fixed on the first air inlet pipe 5, and the first air inlet pipe 5 is connected with the catheter 2, the catheter 2 can be limited after the adhesion component is adhered to the body of the patient, and the problem of tearing the catheter 2 is prevented; therefore, the catheter 2 does not need to be held by hand to limit, thereby reducing the burden of medical staff; meanwhile, due to the design of the lantern ring 6, the catheter 2 is not extruded, so that the guide wire can smoothly pass through the catheter 2;
As shown in fig. 1, the adhesion component is AB glue 8, the AB glue 8 is the prior art, when the AB glue 8 is adhered on the patient, the AB glue 8 can realize stable adhesion without external force, and the AB glue 8 can be torn off from the patient by forcefully tearing the AB glue 8, and glue liquid is not left, for example, a chest piece is left on a product in our daily life; before use, release paper, also called silicone paper and anti-sticking paper, is preferably arranged on the adhesion surface of the AB glue 8, and mainly plays a role in isolating objects with viscosity; in a specific implementation process, the adhesion component can also be medical silica gel and the like;
As shown in fig. 1, the outer diameter of the top of the connecting ring 3 is smaller than the outer diameter of the bottom of the connecting ring, the connecting ring 3 can be an inclined plane between the top of the connecting ring 3 and the bottom of the connecting ring, the transition between the catheter 2 and the connecting ring 3 can be smooth through the design of the inclined plane, and when the catheter 2 and the connecting ring 3 are implanted into the body of a patient, no stepped bulge exists between the catheter 2 and the connecting ring 3, so that the problem of damaging blood vessels can be avoided, the connecting ring 3 is prevented from scratching the blood vessels, and the blood vessels are better protected;
as shown in fig. 1, the upper end of the catheter 2 is provided with the metal sheet 1, and when the upper end of the catheter 2 is implanted into the body of a patient, under the action of ultrasound, the upper end of the catheter 2 can be sensed to which position in the body of the patient the upper end of the catheter 2 is specifically implanted, so that the upper end of the catheter 2 is conveniently positioned, and a doctor can conveniently operate;
The air bag 4 is made of polyurethane, the polyurethane is the existing known material, the polyurethane mainly has a thermoplastic linear structure, and the polyurethane has better stability, chemical resistance, rebound resilience and mechanical property than PVC foaming material, and has smaller compression deformation;
In the specific use process: firstly, a sheath tube is implanted in the femoral vein of a patient under the guidance of ultrasound, when the rear catheter 2 passes through the iliac vein along the sheath tube and reaches the right atrium of the inferior vena cava, and when the condition of 'visual field blind area' appears, an air pump is connected to the second air inlet pipe 10 to inflate the air bag 4, so that the implantation end of the catheter 2 can conveniently pass through, and finally the head end of the catheter 2 is implanted into the pulmonary artery of the patient; then, a pressure sensor is connected to the pressure measuring tube 9 to sense the pressure condition of the patient; the 0.035 guiding steel wire is sent to the left lower pulmonary artery through the catheter 2, and the catheter 2 positioned outside the patient is limited by using the adhesion component because the catheter 2 may have a tearing problem in the sending process, so that the guiding wire can be conveniently penetrated into the catheter 2 later; after the guide wire is accurately implanted to a destination, withdrawing the sheath and the catheter 2 and reserving the guide wire, conveying the prepared expansion balloon to a pulmonary valve area along the guide wire, lightly inflating the balloon by using a contrast agent diluted by 1:3, if the position is accurate, quickly inflating the balloon until the waist notch disappears, immediately evacuating the balloon, conveying the balloon to a pulmonary artery, and expanding the pulmonary artery; checking heart murmur and second heart sound condition of pulmonary artery ring, withdrawing guide wire, and stopping compression hemostasis if effect is satisfactory; in this use, through the design of lantern ring 6, bandage 7 and adhesion subassembly, after catheter 2 implants and accomplishes, can follow-up convenience doctor's operation to avoided increasing medical staff's burden's problem.
Claims (5)
1. The utility model provides a catheter device under ultrasonic guidance, includes vertically setting up pipe (2), has first intake pipe (5) on pipe (2) the independent cover, and connecting ring (3) are equipped with to the upper end cover of pipe (2), and sealing connection has gasbag (4) that are used for conveniently driving pipe (2) to implant into pulmonary artery between connecting ring (3) and the upper end of first intake pipe (5); the lower end of the first air inlet pipe (5) is connected to the outer side wall of the guide pipe (2) in a sealing way, a second air inlet pipe (10) used for connecting an air pump is arranged at the lower end of the first air inlet pipe (5), and the second air inlet pipe (10) is communicated with the interior of the first air inlet pipe (5); be provided with pressure measurement pipe (9) that are used for pressure sensor to insert on pipe (2) lateral wall of first intake pipe (5) below, pressure measurement pipe (9) communicate with each other with the internal connection of pipe (2), its characterized in that: the lower extreme cover of first intake pipe (5) is equipped with lantern ring (6), is provided with a plurality of bandage (7) on lantern ring (6), and the one end of bandage (7) is all fixed on lantern ring (6), and the other end of bandage (7) all is provided with the adhesion subassembly that is used for the adhesion on the patient.
2. The ultrasound guided catheter device of claim 1, wherein: the adhesion component is AB glue (8).
3. The ultrasound guided catheter device of claim 1, wherein: the outer diameter of the top of the connecting ring (3) is smaller than that of the bottom of the connecting ring.
4. The ultrasound guided catheter device of claim 1, wherein: the upper end of the conduit (2) is provided with a metal sheet (1).
5. The ultrasound guided catheter device of claim 1, wherein: the air bag (4) is made of polyurethane materials.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221243711U true CN221243711U (en) | 2024-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |