CN221014166U - Visual prostate expansion catheter - Google Patents
Visual prostate expansion catheter Download PDFInfo
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- CN221014166U CN221014166U CN202420830567.0U CN202420830567U CN221014166U CN 221014166 U CN221014166 U CN 221014166U CN 202420830567 U CN202420830567 U CN 202420830567U CN 221014166 U CN221014166 U CN 221014166U
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- catheter
- pressure water
- water bag
- expanding
- visual
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- 210000002307 prostate Anatomy 0.000 title claims abstract description 28
- 230000000007 visual effect Effects 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 230000010339 dilation Effects 0.000 claims abstract description 37
- 238000011010 flushing procedure Methods 0.000 claims abstract description 21
- 238000003384 imaging method Methods 0.000 claims description 19
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000004816 latex Substances 0.000 claims description 4
- 229920000126 latex Polymers 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 230000002485 urinary effect Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 206010004446 Benign prostatic hyperplasia Diseases 0.000 description 5
- 208000004403 Prostatic Hyperplasia Diseases 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000011471 prostatectomy Methods 0.000 description 3
- 206010046543 Urinary incontinence Diseases 0.000 description 2
- 210000005077 saccule Anatomy 0.000 description 2
- 210000005070 sphincter Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 210000003708 urethra Anatomy 0.000 description 2
- 206010005053 Bladder neck obstruction Diseases 0.000 description 1
- 208000034693 Laceration Diseases 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 206010038967 Retrograde ejaculation Diseases 0.000 description 1
- 206010065584 Urethral stenosis Diseases 0.000 description 1
- 208000005735 Water intoxication Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000740 bleeding effect Effects 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
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004796 pathophysiological change Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 201000001988 urethral stricture Diseases 0.000 description 1
- 201000002327 urinary tract obstruction Diseases 0.000 description 1
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- Endoscopes (AREA)
Abstract
The utility model discloses a visual prostate dilation catheter, belongs to the technical field of medical instruments, and aims to solve the problems that balloon movement cannot be effectively controlled, a dilation effect cannot be observed in real time and larger water balloon expansion deviation exists in dilation in the prior art. The utility model comprises the following steps: the catheter comprises an expanding catheter, wherein one end of the expanding catheter is used as an imbedding end, the other end of the expanding catheter is used as an operating end, and a catheterization cavity and a flushing cavity which extend from the operating end to the imbedding end are arranged in the expanding catheter; a high-pressure water sac cavity is arranged in the expanding catheter and extends to the operation end from a position close to the placement end; the high-pressure water bag is arranged on the outer wall of the expansion catheter and close to the embedded end, and the cavity of the high-pressure water bag is communicated with the inside of the high-pressure water bag through the through hole; the positioning bulge is arranged on the outer wall of the expansion catheter, and the high-pressure water bag is positioned between the positioning bulge and the placement end of the expansion catheter; and an electronic endoscope system which is placed from the operation end of the expanding catheter and extends to the end part of the placement end.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a visual prostate dilation catheter.
Background
Benign prostatic hyperplasia is one of common diseases of middle-aged and elderly men, and the incidence of the benign prostatic hyperplasia is gradually increased along with the aging of the global population. Benign prostatic hyperplasia is a hazard in the pathophysiological changes that result after lower urinary tract obstruction. Patients with mild symptoms need no treatment. For patients with obvious symptoms, drug treatment and operation treatment can be adopted. The surgical treatment method, in particular transurethral prostatectomy, remains an important treatment method for prostatic hyperplasia. There are a series of postoperative complications of prostatectomy, recent complications including major bleeding, bladder and urethra perforation, water intoxication, etc.; the long-term complications include postoperative urinary incontinence, bladder neck contracture, retrograde ejaculation, urethral stricture, etc.
In recent years, the prostate laceration technology gradually replaces the traditional open surgery, and becomes a recommended treatment method for solving the problem of the prostatic hyperplasia. The prostate dilation is performed by inserting a prostate dilation catheter into the urethra of the prostate of a patient and filling the catheter with water by means of a balloon.
In the prior art and in the expanding and positioning, the prostate expanding and cracking operation is generally positioned by adopting a double-bag structure or positioning convex parts, which are positioned just before expanding and cracking, if the saccule moves in expanding and cracking, the saccule cannot be effectively controlled; the prior art and the product cannot observe the crack expansion effect in real time so as to determine the operation end point; the prior art and the product still have the problem of larger water bag expansion deviation.
Disclosure of Invention
The utility model aims to provide a visual prostate dilation catheter, which solves the problems that balloon movement cannot be effectively controlled, a dilation effect cannot be observed in real time and larger water balloon expansion deviation exists in the prior art.
To achieve the above object, a visual prostate dilation catheter of the present utility model includes:
The catheter comprises an expanding catheter, wherein one end of the expanding catheter is used as an imbedding end, the other end of the expanding catheter is used as an operating end, and a catheterization cavity and a flushing cavity which extend from the operating end to the imbedding end are arranged in the expanding catheter; a high-pressure water bag cavity is arranged in the expansion catheter, and the high-pressure water bag cavity extends to an operation end from a position close to the placement end;
the high-pressure water bag is arranged on the outer wall of the expanding catheter and close to the placement end, the high-pressure water bag corresponds to one end of the high-pressure water bag cavity close to the placement end, a through hole is formed in the side wall of the expanding catheter, and the high-pressure water bag cavity is communicated with the inside of the high-pressure water bag through the through hole;
The high-pressure water bag is positioned between the positioning bulge and the embedded end of the expanding catheter;
And an electronic endoscope system that is inserted from the operation end of the deployment catheter and extends to the insertion end portion.
The number of the high-pressure water bags is two, the distance between the two high-pressure water bags is 0.5-2 cm, the number of the high-pressure water bag cavities is two, and the two high-pressure water bags are sequentially arranged; the two high-pressure water bag cavities are respectively communicated with the inside of the two high-pressure water bags through the two through holes.
The high-pressure water bags are two in number, one of the two high-pressure water bags is relatively smaller as a small water bag and is arranged on the outer wall of the expansion catheter, the other high-pressure water bag is relatively larger as a large water bag, and the small water bag is wrapped outside and is arranged on the outer wall of the expansion catheter; the two high-pressure water bag cavities are respectively communicated with the inside of the two high-pressure water bags through the two through holes.
The size of the small water bags with the relatively small high-pressure water bags is 1/3 of the size of the large water bags with the relatively large water bags.
The dilation catheter further includes an outer catheter disposed at the deployment catheter manipulation end, the outer catheter including:
The device comprises a flushing catheter, wherein a flushing cavity of the expanding catheter is positioned at one end of an operation end and is communicated with one end of the flushing catheter, and a flushing end connector is arranged at the other end of the flushing catheter;
The catheterization cavity of the catheterization catheter is positioned at one end of the operation end and is communicated with one end of the catheterization catheter; the other end of the urethral catheterization catheter is provided with a horn mouth joint, the electronic endoscope system extends into the urethral catheterization catheter through the horn mouth joint and extends to the placement end of the dilation catheter sequentially through the urethral catheterization catheter and the urethral catheterization cavity;
And a first inflation conduit and a second inflation conduit; one end of the two high-pressure water bag cavities of the expanding guide pipe, which are positioned at the operation end, is respectively communicated with one ends of the first inflation guide pipe and the second inflation guide pipe, the other ends of the first inflation guide pipe and the second inflation guide pipe are used as a first high-pressure water bag inflation port and a second high-pressure water bag inflation port, and luer connectors are respectively arranged at the first high-pressure water bag inflation port and the second high-pressure water bag inflation port.
The electronic endoscope system includes:
Imaging data lines;
a protective sleeve disposed outside the imaging data line;
a lens arranged at one end of the imaging data line;
the handle is arranged at the other end of the imaging data line;
and the control rod is arranged at the tail end of the handle, the control rod realizes toggle action through the rotation fit of the rotating shaft arranged in the handle and the handle, and one end of the imaging data line, which is provided with the lens, is adjusted by the control rod to be in a bending state.
The electronic endoscope system further comprises a tension steel wire arranged in the protective sleeve, one end of the tension steel wire is fixedly connected with the end part of the protective sleeve, which is close to one end of the lens, the other end of the tension steel wire is connected with one end of the control rod, which is positioned in the handle, and the control rod toggles and adjusts the length of the tension steel wire, which is positioned in the protective sleeve, towards the direction, which is close to the lens, or away from the lens.
The dilating catheter further comprises switch clamps, and the two switch clamps are respectively arranged on the first inflation catheter and the second inflation catheter.
The high-pressure water bag material is TPU, PA or latex material.
The outer diameter of the electronic endoscope system is 2.8+/-0.5 mm.
The beneficial effects of the utility model are as follows: in the visual prostate dilation catheter, the outer diameter of the visual electronic endoscope is 2.8mm, and the visual electronic endoscope can provide an illumination cold light source to support the brightness of the visual field in operation. Imaging pixels 8-16 ten thousand, color imaging can effectively improve intraoperative tissue and sphincter recognition, provides basis for judging the water sac expansion position, effectively improves the success rate of operation, reduces the occurrence risk of complications, can observe the expansion effect in real time, provides basis for determining the end point of operation, simultaneously, can observe the balloon position in the expansion process through real-time visual data by manually driving the position of the electronic endoscope system in the expansion catheter, and further adjusts in real time. In addition, the high-pressure water bag is made of TPU material, so that the maximum expansion amount can be ensured, and expansion deviation is avoided. The utility model can realize real-time image transmission, can carry out operations such as real-time shooting, photographing, recording and the like on the operation process, and reduces the operation difficulty of balloon dilation. The utility model changes the operation mode of the prostate dilation, accurately positions, effectively dilates the prostate, reduces the excessive damage to the sphincter, avoids the complication of urinary incontinence and observes the situation of focus parts in real time.
Drawings
FIG. 1 is a schematic view of a visual prostate dilation catheter of the present utility model in a wrapped configuration with two high pressure water bladders;
Fig. 2 is a schematic structural view of a visual prostate dilation catheter of the present utility model in which two high pressure water bags are sequentially arranged;
FIG. 3 is a schematic view of a visual prostatectomy catheter concealing electronic endoscope system according to the present utility model;
FIG. 4 is a schematic view of an electronic endoscope system in a visual prostate dilation catheter of the present utility model;
FIG. 5 is a schematic view of the structure of the end portion of the electronic endoscope system in a visual prostate dilation catheter of the present utility model in a bent state;
Wherein: 1. the device comprises an expanding catheter, 101, an imbedding end, 102, an operating end, 2, a high-pressure water bag, 3, a positioning boss, 4, an electronic endoscope system, 401, an imaging data line, 402, a protective sleeve, 403, a lens, 404, a handle, 405, a control rod, 5, an external catheter, 501, a flushing catheter, 502, a catheterization catheter, 503, a first inflation catheter, 504, a first high-pressure water bag inflation port, 505, a second inflation catheter, 506, a second high-pressure water bag inflation port, 6, an end connector, 601, a flushing end connector, 602, a bell mouth connector, 603, a luer connector, 7 and a switch clamp.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-5, a visual prostate dilation catheter of the present utility model includes:
The catheter comprises an expanding catheter 1, wherein one end of the expanding catheter 1 is used as an imbedding end 101, the other end of the expanding catheter 1 is used as an operating end 102, and a catheterization cavity and a flushing cavity which extend from the operating end 102 to the imbedding end 101 are arranged in the expanding catheter 1; a high-pressure water sac cavity is arranged in the expanding catheter 1, and extends to an operation end 102 from a position close to an insertion end 101;
The high-pressure water bag 2 is arranged on the outer wall of the expansion catheter 1 near the placement end 101, the high-pressure water bag 2 corresponds to one end of the high-pressure water bag cavity near the placement end 101, a through hole is formed in the side wall of the expansion catheter 1, and the high-pressure water bag cavity is communicated with the inside of the high-pressure water bag 2 through the through hole; the thickness of the high-pressure water bag 2 is 0.2-1 mm;
The high-pressure water bag 2 is positioned between the positioning convex 3 and the embedded end 101 of the expanding catheter 1;
And an electronic endoscope system 4, wherein the electronic endoscope system 4 is placed in the operation end 102 of the expanding catheter (1) and extends to the end part of the placement end 101.
The high-pressure water bag 2 is made of any one of TPU, PA and latex materials. The model and related parameters that can be used are shown in Table 1.
Table 1 parameters of the high pressure water bladder
The positioning convex 3 is arranged within 2 cm from the high-pressure water bag. The material is a hard annular material. The material of the expansion conduit 1 is the same as that of PP, TPU or PE, the mold is used for injection molding, the annular protrusion is integrally formed, and the annular protrusion is adhered and fixed on the expansion conduit 1.
The number of the high-pressure water bags 2 is two, and the distance between the two high-pressure water bags 2 is 0.5-2 cm; the number of the high-pressure water bag cavities is two, and the two high-pressure water bags 2 are sequentially arranged; the two high-pressure water bag cavities are respectively communicated with the inside of the two high-pressure water bags 2 through two through holes.
The number of the high-pressure water bags 2 is two, the number of the high-pressure water bag cavities is two, one of the two high-pressure water bags 2 is relatively smaller as a small water bag, the small water bag is arranged on the outer wall of the expansion catheter 1, the other relatively larger water bag is used as a large water bag, and the small water bag is wrapped outside and is arranged on the outer wall of the expansion catheter 1; the two high-pressure water bag cavities are respectively communicated with the inside of the two high-pressure water bags 2 through two through holes.
The size of the small water bags of the two high-pressure water bags 2 which are relatively small is 1/3 of the size of the large water bags which are relatively large.
The dilation catheter further comprises an outer catheter 5 arranged at the operative end 102 of the dilation catheter 1, the outer catheter 5 comprising:
a flushing catheter 501, wherein a flushing cavity of the expanding catheter 1 is communicated with one end of the flushing catheter 501 at one end of the operation end 102, and the other end of the flushing catheter 501 is provided with a flushing end joint 601;
The urethral catheterization catheter 502, and one end of the catheterization cavity of the dilation catheter 1, which is positioned at the operation end 102, is communicated with one end of the urethral catheterization catheter 502; the other end of the catheterization catheter 502 is provided with a horn mouth joint 602, the electronic endoscope system 4 extends into the catheterization catheter 502 from the horn mouth joint 602 and extends to the insertion end 101 of the dilation catheter 1 sequentially through the catheterization catheter 502 and the catheterization cavity;
And a first inflation conduit 503 and a second inflation conduit 505; one end of the two high-pressure water bag cavities of the expanding catheter 1, which are positioned at the operation end 102, is respectively communicated with one ends of the first inflation catheter 503 and the second inflation catheter 505, the other ends of the first inflation catheter 503 and the second inflation catheter 505 are used as a first high-pressure water bag inflation inlet 504 and a second high-pressure water bag inflation inlet 506, and luer connectors 603 are respectively arranged at the first high-pressure water bag inflation inlet 504 and the second high-pressure water bag inflation inlet 506.
The electronic endoscope system 4 includes:
An imaging data line 401;
a protective sheath 402 disposed outside the imaging data line 401;
a lens 403 disposed at one end of the imaging data line 401;
A handle 404 provided at the other end of the imaging data line 401;
And a control rod 405 arranged at the tail end of the handle 404, wherein the control rod realizes toggle action through the rotation fit of a rotating shaft arranged in the handle 404 and the handle 404, and the control rod 405 adjusts one end of the imaging data line 401, which is provided with the lens 403, to bend.
The electronic endoscope system 4 further comprises a tension steel wire arranged in the protective sleeve 402, one end of the tension steel wire is fixedly connected with the end part of the protective sleeve 402, which is close to one end of the lens 403, the other end of the tension steel wire is connected with one end of the control rod 405, which is positioned in the handle 404, and the control rod 405 toggles to adjust the length of the tension steel wire, which is positioned in the protective sleeve, towards the direction close to the lens or away from the lens.
The head is flexible by pulling a lever 405 on the handle 404, by a change in length of the tension wire within the protective sheath 402. At the same time, the imaging data line 401 and the end of the deployment end 101 of the deployment catheter 1 are bent together.
The dilation catheter further comprises a switch clamp 7, and two switch clamps 7 are respectively arranged on the first inflation catheter 503 and the second inflation catheter 505.
The high-pressure water bag 2 is made of TPU, PA or latex materials.
The outer diameter of the electronic endoscope system 4 is 2.8+/-0.5 mm.
Claims (10)
1. A visual prostate dilation catheter comprising:
The catheter comprises an expanding catheter (1), wherein one end of the expanding catheter (1) is used as an imbedding end (101), the other end of the expanding catheter is used as an operating end (102), and a catheterization cavity and a flushing cavity which extend from the operating end (102) to the imbedding end (101) are arranged in the expanding catheter (1); a high-pressure water sac cavity is arranged in the expansion catheter (1), and extends to an operation end (102) from a position close to an insertion end (101);
The high-pressure water bag (2) is arranged on the outer wall of the expansion catheter (1) and close to the embedded end (101), the high-pressure water bag (2) corresponds to one end of the high-pressure water bag cavity close to the embedded end (101), a through hole is formed in the side wall of the expansion catheter (1), and the high-pressure water bag cavity is communicated with the inside of the high-pressure water bag (2) through the through hole;
The high-pressure water bag (2) is positioned between the positioning bulge (3) and the placement end (101) of the expanding catheter (1);
and an electronic endoscope system (4), wherein the electronic endoscope system (4) is placed by the operation end (102) of the expanding catheter (1) and extends to the end part of the placement end (101).
2. A visual prostate dilation catheter according to claim 1, wherein the number of high pressure water bags (2) is two, the number of high pressure water bags is two, and the two high pressure water bags (2) are arranged in sequence; the two high-pressure water bag cavities are respectively communicated with the inside of the two high-pressure water bags (2) through two through holes.
3. A visual prostate-dilation catheter according to claim 1, wherein the number of high-pressure water bags (2) is two, the number of high-pressure water bags is two, one of the two high-pressure water bags (2) is relatively smaller as a small water bag arranged on the outer wall of the dilation catheter (1), the other is relatively larger as a large water bag wrapped outside the small water bag and arranged on the outer wall of the dilation catheter (1); the two high-pressure water bag cavities are respectively communicated with the inside of the two high-pressure water bags (2) through two through holes.
4. A visual prostate dilation catheter according to claim 3, wherein the size of the relatively small water pockets of the two high pressure water pockets (2) is 1/3 of the size of the relatively larger large water pockets.
5. A visual prostate dilation catheter according to claim 2, 3 or 4, wherein the dilation catheter further comprises an outer catheter (5) disposed at an operative end (102) of the dilation catheter (1), the outer catheter (5) comprising:
A flushing pipe (501), wherein a flushing cavity of the expanding pipe (1) is positioned at one end of the operation end (102) and is communicated with one end of the flushing pipe (501), and a flushing end joint (601) is arranged at the other end of the flushing pipe (501);
A urinary catheter (502), wherein the urinary catheter cavity of the expanding catheter (1) is positioned at one end of the operation end (102) and is communicated with one end of the urinary catheter (502); the other end of the catheterization catheter (502) is provided with a horn mouth joint (602), the electronic endoscope system (4) stretches into the catheterization catheter through the horn mouth joint (602) and extends to the placement end (101) of the expansion catheter (1) sequentially through the catheterization catheter (502) and the catheterization cavity;
And a first inflation conduit (503) and a second inflation conduit (505); one end of the two high-pressure water bag cavities of the expanding guide pipe (1) is located at an operation end (102) and is respectively communicated with one ends of a first inflation guide pipe (503) and a second inflation guide pipe (505), the other ends of the first inflation guide pipe (503) and the second inflation guide pipe (505) are used as a first high-pressure water bag inflation inlet (504) and a second high-pressure water bag inflation inlet (506), and luer connectors (603) are respectively arranged at the first high-pressure water bag inflation inlet (504) and the second high-pressure water bag inflation inlet (506).
6. A visual prostate dilation catheter according to claim 5, further comprising switch clamps (7), the two switch clamps (7) being arranged on the first inflation catheter (503) and the second inflation catheter (505), respectively.
7. A visual prostate dilation catheter according to claim 1, wherein the electronic endoscope system (4) includes:
An imaging data line (401);
a protective sheath (402) disposed outside the imaging data line (401);
A lens (403) disposed at one end of the imaging data line (401);
a handle (404) provided at the other end of the imaging data line (401);
And a control rod (405) arranged at the tail end of the handle (404), wherein the control rod realizes toggle action through rotating fit of a rotating shaft arranged inside the handle (404) and the handle (404), and one end of the imaging data line (401) provided with the lens (403) is adjusted to be in a bending state through the control rod (405).
8. The visual prostate dilation catheter of claim 7, wherein the electronic endoscope system (4) further comprises a tension wire disposed in the protective sleeve (402), one end of the tension wire is fixedly connected with an end portion of the protective sleeve (402) near one end of the lens (403), the other end is connected with an end of the control rod (405) located in the handle (404), and the control rod (405) toggles to adjust a length of the tension wire located in the protective sleeve in a direction near the lens or in a direction far from the lens.
9. A visual prostate dilation catheter according to claim 1, wherein the high pressure water bladder (2) material is TPU, PA or latex material.
10. A visual prostate dilation catheter according to claim 1, wherein the electronic endoscope system (4) has an outer diameter of 2.8 ± 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420830567.0U CN221014166U (en) | 2024-04-22 | 2024-04-22 | Visual prostate expansion catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420830567.0U CN221014166U (en) | 2024-04-22 | 2024-04-22 | Visual prostate expansion catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221014166U true CN221014166U (en) | 2024-05-28 |
Family
ID=91137877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420830567.0U Active CN221014166U (en) | 2024-04-22 | 2024-04-22 | Visual prostate expansion catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221014166U (en) |
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2024
- 2024-04-22 CN CN202420830567.0U patent/CN221014166U/en active Active
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