CN209916022U - Disposable tearable catheter sheath kit - Google Patents
Disposable tearable catheter sheath kit Download PDFInfo
- Publication number
- CN209916022U CN209916022U CN201920379393.XU CN201920379393U CN209916022U CN 209916022 U CN209916022 U CN 209916022U CN 201920379393 U CN201920379393 U CN 201920379393U CN 209916022 U CN209916022 U CN 209916022U
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- Prior art keywords
- catheter
- inner core
- pipe
- sheath
- sheath catheter
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Abstract
The utility model discloses a disposable skin catheterization tube sheath external member that can tear, include the epitheca pipe that is made by latex or silica gel material, the external diameter size of epitheca pipe is 5.33-6mm, insert in the inside cavity of epitheca pipe and be equipped with external diameter and epitheca pipe internal diameter size assorted inner core, the one end tip of inner core flushes with epitheca pipe tip and the tip of inner core is equipped with the hemisphere front end of protrusion in epitheca pipe tip, the other end tip of inner core is located epitheca pipe tip outside, the inner core can be taken out or insert the cavity of epitheca pipe. The utility model discloses a catheter sheath external member, through insert the pipe thick and have certain toughness earlier to the urethra, insert the bladder easily like this and less to the urethra damage, then insert the pressure measurement pipe from catheter sheath external member in the bladder, improve pressure measurement pipe and put the pipe success rate, reduce because of the relevant complication that the pressure measurement pipe caused, improve patient's comfort level and satisfaction and improve urodynamics inspection success rate.
Description
Technical Field
The utility model relates to a conventional inspection of uropoiesis surgery, concretely relates to disposable skin catheterization tube sheath external member that can tear.
Background
Urodynamic examination is a routine examination of urology to understand bladder function. Urodynamic examination is invasive, and during the examination, a pressure catheter is inserted into the bladder through the urethra. This type of catheter is relatively stiff and thin in diameter (F8, F6), and lacks flexibility to be somewhat damaging to human tissue. The factors such as the long and bent urethra and the hyperplasia of prostate of a male patient often cause the injury and bleeding of the urethra in the process of placing the catheter, which brings the injury, pain and bleeding of the urethra to the patient, and even the pressure measuring catheter can not be smoothly placed into the bladder in part of patients, thus causing the failure of urodynamic examination.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the pressure measurement pipe texture is harder, and the diameter is thinner (F8, F6), it has certain injury nature to human tissue to lack the pliability, bring the urethra damage for the patient, it is painful, bleed, can not put into the bladder pressure measurement pipe smoothly even in partial patient, aim at provides disposable skin catheterization sheath external member that can tear, insert thick and have the pipe of certain toughness through earlier to the urethra, insert the bladder easily like this and be less to the urethra damage, then insert the bladder in from the catheterization sheath external member with the pressure measurement pipe again, improve pressure measurement pipe and manage the success rate, reduce the relevant complication because of the pressure measurement pipe caused, improve patient's comfort level and satisfaction and improve urodynamics inspection success rate.
The utility model discloses a following technical scheme realizes:
the utility model discloses disposable skin catheterization tube sheath external member that can tear, include the epitheca pipe that is made by latex or silica gel material, the external diameter size of epitheca pipe is 5.33-6mm, insert in the inside cavity of epitheca pipe and be equipped with external diameter and epitheca pipe internal diameter size assorted inner core, the one end tip of inner core flushes with epitheca pipe tip and the tip of inner core is equipped with the hemisphere front end of protrusion in epitheca pipe tip, the other end tip of inner core is located epitheca pipe tip outside, the inner core can be taken out or insert the cavity of epitheca pipe.
The utility model discloses a catheter sheath external member, through insert the pipe thick and have certain toughness earlier to the urethra, insert the bladder easily like this and less to the urethra damage, then insert the pressure measurement pipe from catheter sheath external member in the bladder, improve pressure measurement pipe and put the pipe success rate, reduce because of the relevant complication that the pressure measurement pipe caused, improve patient's comfort level and satisfaction and improve urodynamics inspection success rate. The utility model discloses when using, because thicker (F16 is the diameter promptly and is 5.33mm or F18 is the diameter promptly and is 5mm) and the catheter that has certain toughness inserts the bladder easily and less to the urethra damage, consequently regard sheath pipe and inner core as a whole at first, put into the urethra, in the bladder, then extract the inner core, only leave sheath pipe, then the intracavity of following sheath pipe embeds into the pressure measurement pipe, wait to put into again after the pressure measurement pipe outwards withdraw from sheath pipe gradually, sheath pipe withdraws from the back completely, the pressure measurement pipe is complete to be kept in urethra and bladder, avoided thin and hard pressure measurement pipe to cause the damage to the urethra in the insertion process like this, improve the successful purpose of pressure measurement pipe catheterization. Wherein, one end of the inner core, which is placed into the bladder, is provided with a hemispherical front end, and the end part is smooth, so that the urethra is not easy to be damaged; the outer sheath catheter is soft, so that the inner core is sleeved in the outer sheath catheter to ensure that the outer sheath catheter has certain hardness and can be smoothly inserted into the urethra.
The inside coaxial cavity that runs through inner core both ends and hemisphere front end that is equipped with of inner core, the diameter of cavity is 1.8-2.2mm, and the cavity can hold the super smooth seal wire and pass through, when putting into the urethra together after epitheca pipe and inner core combine, if put into the difficulty, can put into the super smooth seal wire in the bladder earlier, then will along the super smooth seal wire the utility model discloses an epitheca pipe and inner core are put into, further improve pressure measurement pipe and are put a tub success rate.
The bayonet is arranged on the outer wall of one end, far away from the hemispherical front end, of the inner core, the bayonet can ensure that the inner core and the outer sheath catheter cannot generate relative displacement after being inserted into the outer sheath catheter, the bayonet adopts threads, the length of the inner core is about 30cm, and the length of the outer sheath catheter is about 28cm, so that after the inner core is inserted and combined from one end of the outer sheath catheter, the end part of the outer sheath catheter can be tightly attached to the threads on the outer wall of the end part of the inner core, and the inner core and the outer sheath catheter are firmly.
The outer wall of the sheath catheter is provided with scale marks along the axial direction, so that the marks are marked from one end inserted into the bladder to know the length of the sheath catheter.
The outer wall of the sheath catheter is covered with a hydrophilic coating, so that the sheath catheter is smoother, and the friction between the sheath catheter and the urethral wall is reduced.
The wall surface of the sheath catheter is provided with two scribed lines penetrating through two ends of the sheath catheter along the axial direction, and the sheath catheter can be torn into two symmetrical flaps along the two scribed lines; after the pressure measuring catheter is placed into the sheath catheter, the sheath catheter can be gradually torn by tearing the two scales in the process of gradually withdrawing the sheath catheter outwards, so that the purpose of completely withdrawing the sheath catheter is achieved, the pressure measuring catheter is prevented from being taken out to be displaced in the process of withdrawing the sheath catheter, and the pressure measuring catheter cannot be completely retained in the urethra and the bladder.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the disposable peel-off urethral catheter sheath assembly of the utility model inserts the thicker catheter with certain toughness into the urethra, so that the bladder is easy to insert and the urethra is less damaged, and then inserts the pressure measuring catheter into the bladder from the urethral catheter sheath assembly, thereby improving the success rate of the pressure measuring catheter placement, reducing the related complications caused by the pressure measuring catheter, improving the comfort level and satisfaction level of patients and improving the success rate of urodynamics examination;
2. in the disposable peel-off urethral catheter sheath kit, after the inner core is inserted from one end of the outer sheath catheter and combined, the end part of the outer sheath catheter can be tightly attached to the thread on the outer wall of the end part of the inner core, so that the inner core and the outer sheath catheter are firmly combined and cannot be displaced;
3. the utility model discloses disposable can tear skin catheterization tube sheath external member can tear the sheath pipe gradually through tearing two scales, reaches the purpose of withdrawing from the sheath pipe completely, avoids taking out the emergence displacement at the in-process pressure measurement pipe that withdraws from the sheath pipe like this, avoids the unable complete reservation of pressure measurement pipe in urethra and bladder.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Reference numbers and corresponding part names in the drawings:
1-sheath catheter, 2-inner core, 3-hemispherical front end, 4-hollow cavity and 5-bayonet.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in fig. 1, the utility model discloses disposable peel-off catheterization tube sheath external member, include the sheath pipe 1 that is made by latex or silica gel material, the external diameter size of sheath pipe 1 is 5.33-6mm, insert in the inside cavity of sheath pipe 1 and be equipped with external diameter and sheath pipe 1 internal diameter size assorted inner core 2, the one end tip of inner core 2 flushes with sheath pipe 1 tip and the tip of inner core 2 is equipped with the hemisphere front end 3 of protrusion in sheath pipe 1 tip, the other end tip of inner core 2 is located outside sheath pipe 1 tip, inner core 2 can be taken out or insert the cavity of sheath pipe 1.
The utility model discloses a catheter sheath external member, through insert the pipe thick and have certain toughness earlier to the urethra, insert the bladder easily like this and less to the urethra damage, then insert the pressure measurement pipe from catheter sheath external member in the bladder, improve pressure measurement pipe and put the pipe success rate, reduce because of the relevant complication that the pressure measurement pipe caused, improve patient's comfort level and satisfaction and improve urodynamics inspection success rate. The utility model discloses when using, because thicker (F16 is the diameter promptly and is 5.33mm or F18 is the diameter promptly and is 5mm) and the catheter that has certain toughness inserts the bladder easily and less to the urethra damage, consequently regard sheath pipe and inner core as a whole at first, put into the urethra, in the bladder, then extract the inner core, only leave sheath pipe, then the intracavity of following sheath pipe embeds into the pressure measurement pipe, wait to put into again after the pressure measurement pipe outwards withdraw from sheath pipe gradually, sheath pipe withdraws from the back completely, the pressure measurement pipe is complete to be kept in urethra and bladder, avoided thin and hard pressure measurement pipe to cause the damage to the urethra in the insertion process like this, improve the successful purpose of pressure measurement pipe catheterization. Wherein, one end of the inner core, which is placed into the bladder, is provided with a hemispherical front end, and the end part is smooth, so that the urethra is not easy to be damaged; the outer sheath catheter is soft, so that the inner core is sleeved in the outer sheath catheter to ensure that the outer sheath catheter has certain hardness and can be smoothly inserted into the urethra.
Preferably, the inside coaxial cavity 4 that runs through inner core both ends and hemisphere front end that is equipped with of inner core, the diameter of cavity is 1.8-2.2mm, and the cavity can hold the super smooth seal wire and pass through, when putting into the urethra together after sheath pipe and inner core combine, if put into the difficulty, can put into the super smooth seal wire to the bladder earlier, then will along the super smooth seal wire the utility model discloses a sheath pipe and inner core are put into, further improve pressure measurement pipe and are put a tub success rate.
Preferably, the bayonet 5 is arranged on the outer wall of one end of the inner core, which is far away from the hemispherical front end, and the bayonet can ensure that the inner core and the outer sheath catheter cannot generate relative displacement after being inserted into the outer sheath catheter, the bayonet adopts threads, the length of the inner core is about 30cm, and the length of the outer sheath catheter is about 28cm, so that after the inner core is inserted and combined from one end of the outer sheath catheter, the end part of the outer sheath catheter can be tightly attached to the threads on the outer wall of the end part of the inner core, and the inner core and the outer sheath catheter are.
Preferably, the outer wall of the sheath catheter is provided with scale marks along the axial direction, so that the marks are marked from one end inserted into the bladder to know the length of the sheath catheter.
Preferably, the outer wall of the sheath catheter is coated with a hydrophilic coating, which can make the sheath catheter smoother and reduce friction with the urethral wall.
Preferably, two scribed lines penetrating through two ends of the sheath catheter are arranged on the wall surface of the sheath catheter along the axial direction, and the sheath catheter can be torn into two symmetrical flaps along the two scribed lines; after the pressure measuring catheter is placed into the sheath catheter, the sheath catheter can be gradually torn by tearing the two scales in the process of gradually withdrawing the sheath catheter outwards, so that the purpose of completely withdrawing the sheath catheter is achieved, the pressure measuring catheter is prevented from being taken out to be displaced in the process of withdrawing the sheath catheter, and the pressure measuring catheter cannot be completely retained in the urethra and the bladder.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The disposable skin-tearing urethral catheter sheath kit is characterized by comprising an outer sheath catheter (1) made of latex or silica gel materials, wherein the outer diameter of the outer sheath catheter (1) is 5.33-6mm, an inner core (2) with the outer diameter matched with the inner diameter of the outer sheath catheter (1) is inserted into an inner cavity of the outer sheath catheter (1), one end of the inner core (2) is flush with the end of the outer sheath catheter (1), the end of the inner core (2) is provided with a hemispherical front end (3) protruding out of the end of the outer sheath catheter (1), the other end of the inner core (2) is positioned outside the end of the outer sheath catheter (1), and the inner core (2) can be pulled out or inserted into the cavity of the outer sheath catheter (1).
2. The disposable peel-off catheterization sheath assembly according to claim 1, characterized in that a hollow cavity (4) is coaxially arranged inside the inner core (2) and penetrates through both ends of the inner core (2) and the hemispherical front end (3), and the diameter of the hollow cavity (4) is 1.8-2.2 mm.
3. The disposable peel-off catheterization sheath kit according to claim 1, characterized in that the outer wall of the end of the inner core (2) far away from the hemispherical front end (3) is provided with a bayonet (5), and the bayonet (5) can ensure that the inner core (2) and the outer sheath catheter (1) cannot be displaced relative to each other after being inserted into the outer sheath catheter.
4. The disposable peel-off urinary catheter sheath kit according to claim 1, wherein the outer sheath catheter (1) is provided with scale marks on the outer wall along the axial direction.
5. The disposable peel-off urinary catheter sheath kit according to claim 1, characterized in that the outer wall of the outer sheath catheter (1) is covered with a hydrophilic coating.
6. The disposable peel-off urethral catheter sheath set according to claim 1, wherein the wall surface of the sheath catheter (1) is provided with two score lines extending through both ends of the sheath catheter (1) in the axial direction, and the sheath catheter (1) can be torn into two symmetrical flaps along the two score lines.
7. The disposable peel-off catheterization sheath kit according to claim 3, characterized in that the bayonet (5) is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379393.XU CN209916022U (en) | 2019-03-22 | 2019-03-22 | Disposable tearable catheter sheath kit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379393.XU CN209916022U (en) | 2019-03-22 | 2019-03-22 | Disposable tearable catheter sheath kit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209916022U true CN209916022U (en) | 2020-01-10 |
Family
ID=69071107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920379393.XU Expired - Fee Related CN209916022U (en) | 2019-03-22 | 2019-03-22 | Disposable tearable catheter sheath kit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209916022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643795A (en) * | 2020-07-20 | 2020-09-11 | 南京市第一医院 | Novel urethral dilator capable of being embedded with indwelling catheter |
-
2019
- 2019-03-22 CN CN201920379393.XU patent/CN209916022U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643795A (en) * | 2020-07-20 | 2020-09-11 | 南京市第一医院 | Novel urethral dilator capable of being embedded with indwelling catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Pan Yulong Inventor after: Zhang Hongyu Inventor before: Pan Yulong |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 Termination date: 20210322 |