CN112843428A - Catheter with guide core - Google Patents
Catheter with guide core Download PDFInfo
- Publication number
- CN112843428A CN112843428A CN202110283485.XA CN202110283485A CN112843428A CN 112843428 A CN112843428 A CN 112843428A CN 202110283485 A CN202110283485 A CN 202110283485A CN 112843428 A CN112843428 A CN 112843428A
- Authority
- CN
- China
- Prior art keywords
- catheter
- guide core
- plug
- small hole
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000002700 urine Anatomy 0.000 claims abstract description 14
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000741 silica gel Substances 0.000 claims abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 210000003708 urethra Anatomy 0.000 description 2
- 230000002485 urinary effect Effects 0.000 description 2
- 241000979122 Bembrops anatirostris Species 0.000 description 1
- 241000405070 Percophidae Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
- A61M25/0075—Valve means
- A61M2025/0076—Unidirectional valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
- A61M2025/0079—Separate user-activated means, e.g. guidewires, guide tubes, balloon catheters or sheaths, for sealing off an orifice, e.g. a lumen or side holes, of a catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09133—Guide wires having specific material compositions or coatings; Materials with specific mechanical behaviours, e.g. stiffness, strength to transmit torque
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0496—Urine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1078—Urinary tract
- A61M2210/1085—Bladder
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a catheter with a guide core, which comprises a catheter made of silica gel or natural latex, wherein the front end of the catheter is provided with a side hole, the rear end of the catheter is provided with two outlets which are distributed in a Y shape, one outlet is connected with a urine storage bag, the other outlet is provided with a plug, the middle of the plug is provided with a small hole, the guide core is inserted into the small hole, the front end of the guide core extends to the front end of the catheter, and the rear end of the guide core is left outside the plug. The plug and the catheter are of an integrated structure, one end of the plug in the catheter is a duckbilled flat head, and a gap communicated with the small hole and the inner cavity of the catheter is arranged in the middle of the flat head. The catheter is convenient to be smoothly inserted into the bladder, reduces the pain of a patient and saves the preparation time before an operation.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a catheter with a guide core.
Background
The urethral catheter is a medical instrument which is widely applied clinically and is mainly used for inserting the bladder through the urethra to drain urine, the urethral catheter is generally made of PVC (polyvinyl chloride) catheters, crude rubber catheters, silicone rubber catheters, natural latex catheters and the like, the PVC catheters and the crude rubber catheters are harder and are harmful to human bodies, the silicone rubber catheters and the natural latex catheters are softer and are harmless to the human bodies but are not easy to insert into the bladder, and particularly, the urethral catheter is difficult to insert into the bladder of some old male patients due to the fact that the prostate of the old male patients is enlarged and the urethra is seriously blocked, the soft urethral catheter is difficult to insert into the bladder, the operation time is influenced, and more pain is caused to.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a catheter with a guide core.
The invention is realized by the following technical scheme: the utility model provides a catheter of core is led in area, includes the catheter that silica gel or natural latex made, and the front end of catheter is provided with the side opening, the rear end of catheter is provided with two exports, and two exports are "Y" shape and distribute, and one of them exit linkage stores up the urine bag, and another export is provided with the end cap, is provided with the aperture in the middle of the end cap, and the alternate has the core of leading that has hardness, elasticity and toughness in the aperture, leads the front end of core and stretches the front end department of catheter, leads the outside that the rear end of core was stayed the end cap.
In the above scheme, the rear end of the guide core is provided with a circular ring convenient for pulling out the guide core.
In the scheme, the front end of the guide core is set to be in a smooth spherical shape.
In the scheme, the guide core is made of aluminum alloy, and the outer surface of the guide core is wrapped by a layer of soft plastic.
In the above scheme, the guide core is made of polyvinyl chloride and is in the shape of a cylindrical solid.
In the above solution, the outer surface of the guide core is coated with a layer of smooth oil to increase the smoothness between the guide core and the inner wall of the catheter.
In the scheme, the plug and the catheter are of an integrated structure, one end of the plug in the catheter is a duckbilled flat head, and the middle of the flat head is provided with a gap communicated with the small hole and the inner cavity of the catheter.
In the above scheme, all the small holes are flat gaps.
In the scheme, the outer cylindrical surface of the guide core at the small hole position of the plug is provided with the annular bulge, the outer side of the plug is provided with the pipe clamp, and the inner side of the pipe clamp is provided with the annular groove matched with the annular bulge.
Compared with the prior art, the catheter with the guide core has the beneficial effects that:
1. the catheter is provided with the guide core, so that the catheter can be conveniently and smoothly inserted into the bladder, and the pain of a patient is reduced.
2. The pipe clamp is adopted to clamp the orifice of the plug so that the guide core can be prevented from sliding out of the catheter in the process of inserting the catheter into the bladder.
3. The outer surface of the guide core is coated with smooth oily matter, so that the lubricity is improved, the guide core can be conveniently inserted into and taken out of the catheter, and convenience is brought to the insertion and the taking out of the guide core.
4. The flat head of duckbill can guarantee that no urine flows out from the plug after the guide core is drawn out.
Drawings
Fig. 1 is a schematic view of a catheter with a guide core according to the present invention.
Fig. 2 is a partially enlarged schematic view of reference numeral 12 in fig. 1.
Fig. 3 is a sectional view a-a of fig. 2.
In the figure: 1. the urinary catheter comprises a urinary catheter, 2 parts of a plastic wrapping layer, 3 parts of a guide core, 4 parts of a guide core ball head, 5 parts of a side hole, 6 parts of a urine outlet, 7 parts of a urine storage bag, 8 parts of a guide core inlet and outlet, 9 parts of an annular groove, 10 parts of an annular bulge, 11 parts of a pipe clamp, 12 parts of a plug, 13 parts of a circular ring, 14 parts of a flat head, 15 parts of a gap and 16 parts of a small hole.
Detailed Description
The catheter with a guide core according to the invention is further described with reference to the following embodiments and drawings:
fig. 1 is a schematic view of a catheter with a lead of the present invention, fig. 2 is an enlarged view of a portion 12 of fig. 1, and fig. 3 is a cross-sectional view a-a of fig. 2. In the figure, the catheter with the guide core comprises a catheter 1 made of silica gel or natural latex, a side hole 5 is formed in the front end of the catheter 1, urine in a bladder conveniently enters the catheter, two outlets are formed in the rear end of the catheter 1 and respectively comprise a urine outlet 6 and a guide core inlet and outlet 8, the two outlets are distributed in a Y shape, the urine outlet 6 is connected with a urine storage bag 7, the guide core inlet and outlet 8 is provided with a plug 12, a small hole 16 is formed in the middle of the plug 12, the guide core 3 is inserted into the small hole 16, the front end of the guide core 3 extends to the front end of the catheter and exceeds the side hole 5, the rear end of the guide core 3 is reserved outside the plug 12, a circular ring 13 convenient for pulling out the guide core is arranged at the rear end of the guide core 3, and the front end of the guide core 3 is provided with a smooth spherical. The guide core 3 is made of a softer aluminum alloy material, and the outer surface of the guide core 3 is provided with a plastic wrapping layer 2. The outer surface of the plastic coating 2 is coated with a smooth oil to increase the smoothness between the core 3 and the inner wall of the catheter 1 to facilitate insertion and removal of the core from the catheter. The guide core can also be made of polyvinyl chloride and is a cylindrical solid, and the diameter of the guide core is 3 mm. The plug 12 and the catheter 1 are of an integrated structure, one end of the plug 12 in the catheter 1 is a duckbilled flat head 14, a gap 15 is arranged in the middle of the flat head 14, the gap 15 is communicated with the small hole 16 and the inner cavity of the catheter, and the small hole 16 can be made into a gap shape in a whole section. An annular bulge 10 is arranged on the outer cylindrical surface of the guide core 3 at the position of the small hole of the plug, a pipe clamp 11 is arranged outside the plug, and an annular groove 9 matched with the annular bulge 10 is arranged on the inner side of the pipe clamp 11.
Before the catheter is inserted, the guide core 3 extends into the catheter 1 from the small hole 16 and props against the head, the plug 12 and the guide core 3 are fixed by the pipe clamp 11, the catheter slowly extends into the bladder of a patient, then the pipe clamp 11 is loosened, the guide core 3 is drawn out, urine in the bladder flows into the urine storage bag 7 along the inner cavity of the catheter 1, when the guide core is drawn out, the gap in the duckbill flat head can be automatically closed, and the urine is prevented from flowing out from the plug.
The guide core is arranged in the catheter, so that the catheter can be conveniently and smoothly inserted into the bladder, the pain of a patient is reduced, and the preparation time before an operation is saved.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a catheter of core is led in area, includes the catheter that silica gel or natural latex made, and the front end of catheter is provided with side opening, its characterized in that: the rear end of the catheter is provided with two outlets which are distributed in a Y shape, one outlet is connected with the urine storage bag, the other outlet is provided with a plug, a small hole is formed in the middle of the plug, a guide core with hardness, elasticity and toughness is inserted into the small hole, the front end of the guide core extends to the front end of the catheter, and the rear end of the guide core is reserved outside the plug.
2. The catheter with the guide core according to claim 1, wherein: the rear end of the guide core is provided with a circular ring which is convenient for pulling out the guide core.
3. The catheter with the guide core according to claim 1, wherein: the front end of the guide core is set to be in a smooth spherical shape.
4. The catheter with the guide core according to claim 1, wherein: the material of leading the core is the aluminum alloy, and the surface parcel of leading the core has the one deck soft plastics.
5. The catheter with the guide core according to claim 1, wherein: the guide core is made of polyvinyl chloride and is in a cylindrical solid shape.
6. The catheter with the guide core according to claim 1, wherein: the outer surface of the guide core is coated with a smooth layer of oil to increase the smoothness between the guide core and the inner wall of the catheter.
7. The catheter with the guide core according to claim 1, wherein: the plug and the catheter are of an integrated structure, one end of the plug in the catheter is a duckbilled flat head, and a gap communicated with the small hole and the inner cavity of the catheter is arranged in the middle of the flat head.
8. The catheter with the guide core according to claim 1, wherein: the small holes are all flat gaps.
9. The catheter with the guide core according to claim 1, wherein: the outer cylindrical surface of the guide core at the small hole position of the plug is provided with an annular bulge, a pipe clamp is arranged outside the plug, and the inner side of the pipe clamp is provided with an annular groove matched with the annular bulge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283485.XA CN112843428A (en) | 2021-03-17 | 2021-03-17 | Catheter with guide core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283485.XA CN112843428A (en) | 2021-03-17 | 2021-03-17 | Catheter with guide core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112843428A true CN112843428A (en) | 2021-05-28 |
Family
ID=75994955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110283485.XA Pending CN112843428A (en) | 2021-03-17 | 2021-03-17 | Catheter with guide core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112843428A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072843U (en) * | 1990-07-28 | 1991-03-13 | 秦友桐 | Catheterization pipe with core |
| US20110218520A1 (en) * | 2008-10-31 | 2011-09-08 | Daniela Andrich | Catheterisation device |
| CN203196119U (en) * | 2013-04-27 | 2013-09-18 | 成都中医药大学 | Catheter |
| CN206577168U (en) * | 2016-09-30 | 2017-10-24 | 济南市长清区人民医院 | A kind of Antislippage catheter component |
| CN209611953U (en) * | 2018-12-19 | 2019-11-12 | 重庆惠全科技有限公司 | A kind of catheter combination containing seal wire |
| CN209967387U (en) * | 2018-08-02 | 2020-01-21 | 山东威高集团医用高分子制品股份有限公司 | A new type of urinary catheter |
| CN215351428U (en) * | 2021-03-17 | 2021-12-31 | 韩兆峰 | Catheter with guide core |
-
2021
- 2021-03-17 CN CN202110283485.XA patent/CN112843428A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072843U (en) * | 1990-07-28 | 1991-03-13 | 秦友桐 | Catheterization pipe with core |
| US20110218520A1 (en) * | 2008-10-31 | 2011-09-08 | Daniela Andrich | Catheterisation device |
| CN203196119U (en) * | 2013-04-27 | 2013-09-18 | 成都中医药大学 | Catheter |
| CN206577168U (en) * | 2016-09-30 | 2017-10-24 | 济南市长清区人民医院 | A kind of Antislippage catheter component |
| CN209967387U (en) * | 2018-08-02 | 2020-01-21 | 山东威高集团医用高分子制品股份有限公司 | A new type of urinary catheter |
| CN209611953U (en) * | 2018-12-19 | 2019-11-12 | 重庆惠全科技有限公司 | A kind of catheter combination containing seal wire |
| CN215351428U (en) * | 2021-03-17 | 2021-12-31 | 韩兆峰 | Catheter with guide core |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |