CN116785566B - Nose stomach intestine pipe subassembly and disposable visual nose stomach intestine pipe - Google Patents
Nose stomach intestine pipe subassembly and disposable visual nose stomach intestine pipe Download PDFInfo
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- CN116785566B CN116785566B CN202311086089.3A CN202311086089A CN116785566B CN 116785566 B CN116785566 B CN 116785566B CN 202311086089 A CN202311086089 A CN 202311086089A CN 116785566 B CN116785566 B CN 116785566B
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- 230000000007 visual effect Effects 0.000 title claims abstract description 9
- 210000002784 stomach Anatomy 0.000 title abstract description 16
- 210000000936 intestine Anatomy 0.000 title abstract description 13
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 23
- 230000002496 gastric effect Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 210000001331 nose Anatomy 0.000 abstract description 39
- 210000003928 nasal cavity Anatomy 0.000 abstract description 33
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000001989 nasopharynx Anatomy 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000004051 gastric juice Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
Classifications
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- 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
- A61M25/10—Balloon catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0003—Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/003—Means for fixing the tube inside the body, e.g. balloons, retaining means
- A61J15/0034—Retainers adjacent to a body opening to prevent that the tube slips through, e.g. bolsters
- A61J15/0038—Retainers adjacent to a body opening to prevent that the tube slips through, e.g. bolsters expandable, e.g. umbrella type
- A61J15/0042—Retainers adjacent to a body opening to prevent that the tube slips through, e.g. bolsters expandable, e.g. umbrella type inflatable
-
- 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
- A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
-
- 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
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Child & Adolescent Psychology (AREA)
- Epidemiology (AREA)
- Urology & Nephrology (AREA)
- Otolaryngology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The application relates to the technical field of a nose stomach intestine catheter assembly, and discloses a nose stomach intestine catheter assembly and a disposable visual nose stomach intestine catheter, wherein the nose stomach intestine catheter assembly comprises a catheter body made of flexible materials, a fixing unit is sleeved on the catheter body, and the fixing unit comprises a fitting part arranged on the catheter body, a pressing part arranged on the fitting part, and a driving part arranged on the fitting part and the pressing part. This nose intestines and stomach pipe subassembly uses the nose stopper card to go into the nasal cavity to still seal up the gap between nose stopper and the pipe body when utilizing the gasbag of inflation to carry the pipe body, make the nasal cavity of inserting the pipe body be plugged up unable normal breathing in, gaseous does not flow in this nasal cavity, reduces the pressure that the pipe body received, avoids the pipe body to take place the displacement, causes patient's discomfort.
Description
Technical Field
The application relates to the technical field of a nose-stomach-intestine catheter assembly, in particular to a nose-stomach-intestine catheter assembly and a disposable visual nose-stomach-intestine catheter.
Background
The nasogastric tube is inserted from nostril, from nasopharynx, through esophagus to stomach, and is mostly used for sucking gastric juice, lavaging stomach in case of acute poisoning, and also can be used for injecting liquid into stomach to provide necessary food and nutrition for patient. The nasal-gastrointestinal tube is usually designed according to the shape and size of the nasal cavity to ensure that the nasal-gastrointestinal tube is stably fixed in the nasal cavity, but the nasal-gastrointestinal tube is difficult to keep fit with the nasal cavity because the shape and size of the nasal cavity are different from each other, and if the nasal-gastrointestinal tube is not matched with the nasal cavity in the breathing process of a patient, certain pressure can be generated on the nasal-gastrointestinal tube due to air flow during breathing, so that the displacement can cause discomfort to the patient.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the problem that the above-mentioned conventional nasal and gastrointestinal catheter assembly may cause displacement of nasal and gastrointestinal tube and discomfort to a patient due to the air flow during breathing.
Accordingly, it is an object of the present application to provide a nasal gastrointestinal catheter assembly which aims at: the nasal-gastrointestinal catheter is fixed in the nasal cavity, so that the nasal-gastrointestinal catheter can be suitable for nasal cavities of different people, the nasal-gastrointestinal catheter is prevented from being displaced by airflow pressure in the breathing process, and uncomfortable feeling to a patient is avoided.
In order to solve the technical problems, the application provides the following technical scheme: the nasal gastrointestinal catheter assembly comprises a catheter body made of flexible materials, wherein a fixing unit is sleeved on the catheter body and comprises a fitting part arranged on the catheter body, a pressing part arranged on the fitting part and a driving part arranged on the fitting part and the pressing part;
the fitting component comprises a positioning tube sleeved on the catheter body, the catheter body passes through the positioning tube, a fitting component arranged at the head end of the positioning tube, the fitting component blocks the nasal cavity, the nasal cavity inserted into the catheter body is sealed, so that the nasal cavity cannot breathe, the influence of air flow generated by breathing on the catheter body is avoided, and a clamping component arranged between the fitting component and the positioning tube is avoided;
the pressing and fixing component is used for fixing the attaching component and the catheter body;
the driving part is used for driving the press-fixing part to be fixed with the catheter body;
the fitting assembly comprises a nasal plug block sleeved on the catheter body, a through hole is formed in the center of the nasal plug block, the catheter body penetrates through the through hole and is arranged between the nasal plug block and the catheter body, an air tap is connected to the air tap, the air tap can be used for inflating and releasing air of the air tap, the air tap is arranged on the inner pipe wall of the positioning pipe, the supporting ring is arranged on the inner pipe wall of the positioning pipe, the supporting strips are uniformly arranged on the supporting ring at equal intervals in a ring shape, the other ends of the supporting strips are arranged on the nasal plug block, and the nasal plug block is supported by the supporting strips, so that when the nasal plug block is inserted into a nasal cavity, the relative positions between the nasal plug block and the supporting ring are kept unchanged by the supporting strips and the supporting rings;
the clamping assembly comprises a plurality of metal spring plates which are uniformly and equidistantly arranged on the nose plug block in an annular shape, the metal spring plates are composed of two parallel sections and an inclined section arranged between the two parallel sections, the clamping blocks arranged on the outer side of the tail end of the metal spring plates are uniformly and equidistantly arranged in a plurality of clamping grooves on the inner wall of the positioning tube in an annular shape, the clamping blocks are clamped in the corresponding clamping grooves, the clamping assembly further comprises springs arranged on the nose plug block, push rings arranged at the other ends of the springs, the springs and the push rings are sleeved on the metal spring plates, and when the push rings stretch the springs to move, the inclined sections of the metal spring plates apply force to enable the tail ends of the metal spring plates to move towards the axis direction of the positioning tube.
As a preferred embodiment of the nasal gastrointestinal catheter assembly of the present application, wherein: the pressing and fixing component comprises a pressing and locking assembly arranged in the positioning pipe and a sliding and pushing assembly arranged on the pressing and locking assembly.
As a preferred embodiment of the nasal gastrointestinal catheter assembly of the present application, wherein: the pressure lock subassembly is including being the even equidistance of annular and setting up in the intraductal polylith curved pressure lock plate of locating, set up in the inboard many fixed needles of pressure lock plate, set up the snakelike spring leaf between pressure lock plate outside and the intraductal wall of locating, snakelike spring leaf atress can take place deformation to and set up the telescopic link between pressure lock plate and locating, the telescopic link atress can carry out corresponding flexible according to the atress direction.
As a preferred embodiment of the nasal gastrointestinal catheter assembly of the present application, wherein: the sliding component comprises a lower sliding plate arranged on the outer side of the lock pressing plate in an arc shape, and an upper pushing plate arranged on the arc surface of the lower sliding plate, the sliding component further comprises an arc-shaped pushing groove arranged on the upper pushing plate, and a pushing wheel arranged in the pushing groove, the pushing wheel is rotationally connected to the arc surface of the lower sliding plate, and when the upper pushing plate rotates in an axis direction and moves in a dislocation manner between the upper pushing plate and the lower sliding plate, the pushing wheel rotates on the lower sliding plate and pushes the lower sliding plate to move towards the axis direction of the positioning tube.
As a preferred embodiment of the nasal gastrointestinal catheter assembly of the present application, wherein: the driving component comprises a driving component arranged in the positioning tube and a unidirectional component arranged on the driving component;
the driving assembly comprises a bearing arranged on the inner pipe wall of the tail end of the positioning pipe, a driving pipe penetrating through the bearing, the driving pipe is supported by the bearing, and a transmission rod arranged between the upper push plate and the driving pipe, and the driving pipe drives the upper push plate to synchronously rotate through the transmission rod when in motion.
As a preferred embodiment of the nasal gastrointestinal catheter assembly of the present application, wherein: the unidirectional component comprises a unidirectional gear arranged on the driving pipe, a supporting rod arranged at the tail end of the positioning pipe, a brake block arranged on the supporting rod, and a torsion spring arranged between the positioning pipe and the brake block, wherein the unidirectional component is further arranged on the unidirectional gear in a clamping manner, and the brake block is continuously clamped on the unidirectional gear and arranged in an arc-shaped limit groove in the brake block under the action of the restoring force of the torsion spring when not influenced by external force, and a limiting block arranged on the supporting rod wall, and the limiting block is slidably connected in the limit groove and is abutted against one side groove wall of the limit groove, and the limiting block can only rotate in the limit groove, so that the rotating path of the limiting block is limited, and the moving path of the brake block is limited.
It is another object of the present application to provide a disposable visual naso-gastrointestinal catheter which aims at: can adjust the angle of the front end of the nose stomach intestine catheter and increase the hardness of the nose stomach intestine catheter.
In order to achieve the above purpose, the present application provides the following technical solutions: the disposable visual nasal gastrointestinal catheter comprises a catheter body, wherein the head end of the catheter body is connected with a control wire, the control wire extends to the tail end of the catheter body along the direction of the catheter body, the front end angle of the catheter body is adjusted through the control wire to avoid nasal injury and bleeding, a reinforcing wire is arranged in the catheter body, the hardness of the catheter body is increased, and the catheter body is prevented from being folded in place.
The application has the beneficial effects that:
the nasal plug is clamped into the nasal cavity, and the expanded air bag is utilized to clamp the catheter body, and meanwhile, the gap between the nasal plug and the catheter body is blocked, so that the nasal cavity inserted into the catheter body is blocked, normal inhalation cannot be performed, gas does not flow in the nasal cavity, the pressure born by the catheter body is reduced, the catheter body is prevented from being displaced, and discomfort of a patient is avoided.
Carry out convenient fixed and dismantlement to the pipe body, through fixing pipe body and registration arm, prevent that the pipe body from receiving the air current influence to take place the displacement, improved patient's travelling comfort.
Through the effect of locking position of drive part for fixed needle sustainable insertion is in the pipe body, accomplishes the locking to the pipe body, makes the pipe body can not take place the displacement, when need take off the pipe body and change, will pull out the pipe body through drive part fixed needle again, accomplishes the change to the pipe body.
The angle of the front end of the catheter body is adjusted through the control line, so that the nasal injury and bleeding are avoided, and the discounting of the catheter body after the catheter body is in place is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic view of a nasal gastrointestinal catheter assembly of the present application.
Figure 2 is a cross-sectional view of a nasal gastrointestinal catheter assembly of the present application.
Fig. 3 is a schematic view of the internal structure of the positioning tube of the nasal gastrointestinal catheter assembly of the application.
Fig. 4 is an enlarged view of a portion a in fig. 2.
Figure 5 is a cross-sectional view of a positioning tube of the nasal gastrointestinal catheter assembly of the present application.
Fig. 6 is a schematic view of a compression lock assembly of a nasal gastrointestinal catheter assembly of the present application.
Fig. 7 is an enlarged view of a portion B in fig. 5.
Fig. 8 is a schematic view of the driving components of the nasal gastrointestinal catheter assembly of the present application.
Figure 9 is a cross-sectional view of a one-way assembly of the nasal gastrointestinal catheter assembly of the present application.
Fig. 10 is an enlarged view of a portion C in fig. 9.
Fig. 11 is a schematic structural view of a disposable visual naso-gastrointestinal catheter of the present application.
In the figure: 1. a catheter body; 2. a bonding member; 21. a positioning tube; 22. a fitting assembly; 221. a nose plug; 222. an air bag; 223. a support ring; 224. a support bar; 23. a clamping assembly; 231. a metal spring plate; 232. a clamping block; 233. a clamping groove; 234. a spring; 235. a push ring; 3. a press-fixing member; 31. a press lock assembly; 311. a pressing lock plate; 312. fixing the needle; 313. a serpentine spring leaf; 314. a telescopic rod; 32. a sliding component; 321. a lower slide plate; 322. a push plate; 323. pushing grooves; 324. push wheel; 4. a driving part; 41. a drive assembly; 411. a bearing; 412. a driving tube; 413. a transmission rod; 42. a unidirectional component; 421. a one-way gear; 422. a support rod; 423. a brake block; 424. a torsion spring; 425. a limit groove; 426. a limiting block; 5. a control line; 6. reinforcing wires.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present application in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Embodiment 1, refer to fig. 1-3, for a first embodiment of the present application, a nasal gastrointestinal catheter assembly is provided, which comprises a catheter body 1 made of flexible material, a fixing unit is sleeved on the catheter body 1, the fixing unit comprises a fitting component 2 installed on the catheter body 1, the fitting component 2 comprises a positioning tube 21 movably sleeved on the catheter body 1, the catheter body 1 passes through the positioning tube 21, a fitting component 22 installed at the head end of the positioning tube 21, the fitting component 22 blocks the nasal cavity, the nasal cavity inserted into the catheter body 1 is blocked, so that the nasal cavity cannot breathe, the influence of air flow generated by breathing on the catheter body 1 is avoided, and a clamping component 23 installed between the fitting component 22 and the positioning tube 21 is provided.
The fixing unit further comprises a pressing part 3 arranged on the attaching part 2, the pressing part 3 can be a contact pin, the contact pin is inserted into the catheter body 1, the positioning tube 21 and the catheter body 1 are fixedly connected together, and a driving part 4 arranged on the attaching part 2 and the pressing part 3, the driving part 4 can be an air cylinder, the air cylinder pushes the contact pin to move towards the catheter body 1, the contact pin is inserted into the catheter body 1, and the catheter body 1 are fixedly connected together.
The fitting assembly 22 comprises a nose plug block 221 movably sleeved on the catheter body 1, a through hole is formed in the center of the nose plug block 221, the nose plug block 221 is in a circular truncated cone shape, a multistage groove is formed in the surface of the nose plug block 221, the diameter of the groove gradually increases, when the nose plug block 221 is plugged into a nasal cavity, the edge of the nasal cavity is clamped into the groove, therefore, the clamping effect between the nose plug block 221 and the nasal cavity is improved, the catheter body 1 passes through the through hole, an air bag 222 connected between the nose plug block 221 and the catheter body 1 is connected into the through hole of the nose plug block 221, the air bag 222 is inflated and extruded on the catheter body 1, an air tap is connected onto the air bag 222, the air bag 222 can be inflated and discharged through the air tap, the air bag 222 is connected onto the inner pipe wall of the positioning pipe 21, and a plurality of support bars 224 are uniformly and movably arranged on the support ring 223 at equal intervals in a ring shape, and the other end of the support bars 224 are connected onto the nose plug block 221, when the nose plug block 221 is plugged into the nasal cavity, the nasal cavity through the support bars 224, and the support bars between the nose plug block 221 and the support bars 223 are kept unchanged relative positions between the nose plug block 221 and the support ring 223.
The clamping assembly 23 comprises a plurality of metal elastic pieces 231 which are uniformly and equidistantly connected to the nose plug block 221 in a ring shape, the metal elastic pieces 231 are composed of two parallel sections and an inclined section arranged between the two parallel sections, the clamping blocks 232 which are connected to the outer side of the tail end of the metal elastic pieces 231, a plurality of clamping grooves 233 which are uniformly and equidistantly arranged on the inner pipe wall of the positioning pipe 21 in a ring shape are formed, the clamping blocks 232 are clamped in the corresponding clamping grooves 233, the clamping assembly 23 further comprises a spring 234 which is connected to the nose plug block 221, and a push ring 235 which is connected to the other end of the spring 234, the spring 234 and the push ring 235 are respectively sleeved on the metal elastic pieces 231, and when the push ring 235 stretches the spring 234 to move, the inclined section of the metal elastic pieces 231 is forced, so that the tail end of the metal elastic pieces 231 move towards the axial direction of the positioning pipe 21.
During the use, one hand holds the nose plug 221, the other hand pushes the push ring 235 outwards, the push ring 235 stretches the spring 234 to squeeze the metal elastic sheet 231, the tail end of the metal elastic sheet 231 drives the clamping block 232 to move inwards to shrink, then the support bar 224 is inserted into the positioning tube 21 and pushes against the support ring 223, then the push ring 235 is released, under the action of the reset force of the spring 234, the push ring 235 automatically resets, meanwhile, the metal elastic sheet 231 drives the clamping block 232 at the tail end to move outwards, pushes against the inner tube wall of the positioning tube 21, then rotates the nose plug 221, when the clamping block 232 rotates to the corresponding position of the clamping groove 233 on the positioning tube 21, the clamping block 232 is inserted into the clamping groove 233 under the action of the reset force of the metal elastic sheet 231, the nose plug 221 is fixed on the positioning tube 21, the length to be inserted into the catheter body 1 is estimated, the position extending from the nostril is marked on the catheter body 1, the positioning tube 21 is moved, the nose plug 221 is moved to the marked position, and the balloon 222 is inflated inwards, so that the balloon 222 clamps the catheter body 1;
the nasal plug 221 is clamped into the nasal cavity, and the expanded air bag 222 clamps the catheter body 1 and seals the gap between the nasal plug 221 and the catheter body 1, so that the nasal cavity inserted into the catheter body 1 is blocked and cannot inhale normally, gas does not flow in the nasal cavity, the pressure born by the catheter body 1 is reduced, and the catheter body 1 is prevented from being displaced, so that discomfort of a patient is avoided.
Embodiment 2, referring to fig. 1-7, is a second embodiment of the present application, which differs from the first embodiment in that: the press-fixing component 3 comprises a press-locking assembly 31 arranged in the positioning tube 21, the press-locking assembly 31 comprises a plurality of arc-shaped press-locking plates 311 which are uniformly and equidistantly movably arranged in the positioning tube 21 in a ring shape around the catheter body 1, a plurality of fixing needles 312 connected to the inner side of the press-locking plates 311, a plurality of snake-shaped spring pieces 313 which are connected between the outer side of the press-locking plates 311 and the inner tube wall of the positioning tube 21 in an array shape, deformation of the snake-shaped spring pieces 313 can occur when stress is applied to the snake-shaped spring pieces, and a telescopic rod 314 connected between the press-locking plates 311 and the positioning tube 21 can correspondingly stretch and retract according to the stress direction, and the telescopic rod 314 can only passively stretch and retract, so that the movement direction of the press-locking plates 311 is limited.
The pressing component 3 further comprises a sliding component 32 arranged on the pressing lock component 31, the sliding component 32 comprises a lower sliding plate 321 connected to the outer side of the pressing lock plate 311 in an arc shape, an upper pushing plate 322 arranged on the arc surface of the lower sliding plate 321, the sliding component 32 further comprises a pushing groove 323 arranged on the upper pushing plate 322 in an arc shape, and a pushing wheel 324 arranged in the pushing groove 323, the pushing wheel 324 is rotationally connected to the arc surface of the lower sliding plate 321, and when the upper pushing plate 322 performs axial rotation and dislocation motion between the lower sliding plate 321, the pushing wheel 324 rotates on the lower sliding plate 321 and pushes the lower sliding plate 321 to move towards the axial direction of the positioning tube 21.
In the use process, the upper push plate 322 synchronously slides on the lower slide plate 321, the push wheel 324 pushes the lower slide plate 321 to move along the axial direction of the catheter body 1 while rolling on the lower slide plate 321, the lock pressing plate 311 stretches the snakelike spring piece 313 and drives the fixing needle 312 to be inserted into the catheter wall of the catheter body 1, and the lock pressing plate 311 and the catheter body 1 are fixed together;
when the catheter body 1 needs to be replaced, the upper push plate 322 is pushed to reset, after the upper push plate 322 loses the extrusion of the lower slide plate 321, the stretched serpentine spring piece 313 drives the fixed needle 312 to reset through the lock pressing plate 311, the fixed needle 312 is pulled out of the catheter body 1, the fixed needle 312 loses the fixation of the catheter body 1, and the catheter body 1 can be detached and replaced;
carry out convenient fixed and dismantlement to pipe body 1, through fixing pipe body 1 and registration arm 21, prevent that pipe body 1 from receiving the air current influence to take place the displacement, improved patient's travelling comfort.
The rest of the structure is the same as that of embodiment 1.
Embodiment 3, referring to fig. 1-10, is a third embodiment of the present application, which differs from the second embodiment in that: the driving component 4 comprises a driving component 41 installed in the positioning tube 21, the driving component 41 comprises a bearing 411 connected to the inner tube wall of the tail end of the positioning tube 21, a driving tube 412 penetrating through and rotatably connected to the inner ring wall of the bearing 411, the driving tube 412 is supported through the bearing 411, transmission rods 413 connected between the upper push plate 322 and the driving tube 412 are distributed in a ring shape, and the upper push plate 322 is driven to synchronously rotate by the transmission rods 413 when the driving tube 412 moves.
The driving component 4 further comprises a unidirectional component 42 installed on the driving component 41, the unidirectional component 42 comprises a unidirectional gear 421 sleeved on the driving pipe 412, a supporting rod 422 connected to the tail end of the positioning pipe 21, a braking block 423 rotationally sleeved on the supporting rod 422, one end of the braking block 423 is clamped on the unidirectional gear 421, the unidirectional component 42 further comprises a torsion spring 424 connected between the positioning pipe 21 and the braking block 423, the torsion spring 424 is sleeved on the supporting rod 422, under the action of the restoring force of the torsion spring 424, the braking block 423 is continuously clamped on the unidirectional gear 421 and is provided with a limiting groove 425 in the braking block 423 in an arc shape, and a limiting block 426 connected to the rod wall of the supporting rod 422, the limiting block 426 is slidably connected in the limiting groove 425 and is abutted to one side groove wall of the limiting groove 425, and the limiting block 426 can only rotate in the limiting groove 425, so that the rotating path of the limiting block 426 is limited, and the moving path of the braking block 423 is limited.
In the use process, the driving tube 412 rotates anticlockwise, the driving tube 412 drives the unidirectional gear 421 to rotate while rotating in the bearing 411, the brake block 423 rotates clockwise on the supporting rod 422 after being driven by the unidirectional gear 421, the brake block 423 drives the torsion spring 424 to deform and simultaneously breaks away from the unidirectional gear 421, and after the unidirectional gear 421 rotates normally for a tooth pitch, the brake block 423 is clamped on the unidirectional gear 421 again under the action of the restoring force of the torsion spring 424; since the stopper 426 is propped against the groove wall of the limiting groove 425, the brake block 423 cannot rotate anticlockwise on the supporting rod 422, so that the unidirectional gear 421 and the driving tube 412 are limited, and the driving tube 412 cannot rotate clockwise directly, so that the fixed needle 312 on the lock pressing plate 311 is kept in a state of being inserted into the wall of the catheter body 1; when the catheter body 1 needs to be taken down from the positioning tube 21, firstly, clockwise rotation force is applied to the brake block 423, the brake block 423 drives the torsion spring 424 to deform, meanwhile, the limiting groove 425 and the limiting block 426 do relative motion, the brake block 423 is separated from the one-way gear 421, namely, the driving tube 412 can be rotated clockwise to drive the push plate 322 to reset, and the fixed needle 312 is pulled out of the catheter body 1;
through the effect of locking position of drive part 4 for fixed needle 312 sustainable insertion is in catheter body 1, accomplishes the locking to catheter body 1, makes catheter body 1 can not take place the displacement, when need take off catheter body 1 and change, will pull out catheter body 1 again through drive part 4 fixed needle 312, accomplishes the change to catheter body 1.
The rest of the structure is the same as that of embodiment 2.
Embodiment 4, referring to fig. 11, for a fourth embodiment of the present application, there is provided: the utility model provides a disposable visual nose intestines and stomach pipe, including pipe body 1, the head end of pipe body 1 is connected with control line 5, and control line 5 extends to pipe body 1 tail end along pipe body 1 direction, avoid the nasal cavity to hurt bleeding through control line 5 adjustment pipe body 1 front end angle, be equipped with reinforcement wire 6 in the pipe body 1, increase pipe body 1 hardness, avoid pipe body 1 to appear discounting after putting in place, the head end of pipe body 1 is attached with the camera, can transmit the condition of image and inside nose intestines and stomach of real-time observation, pipe body 1 only carries out disposable.
Embodiment 5 referring to fig. 1-10, for a fifth embodiment of the present application, there is provided: a method of using a nasal gastrointestinal catheter assembly, comprising the steps of,
one hand holds the nose plug 221, the other hand pushes the push ring 235 outwards, the push ring 235 stretches the spring 234 to squeeze the metal elastic sheet 231, so that the tail end of the metal elastic sheet 231 drives the clamping block 232 to move inwards to shrink, then the support bar 224 is inserted into the positioning tube 21 and pushes against the support ring 223, then the push ring 235 is loosened, under the action of the reset force of the spring 234, the push ring 235 automatically resets, meanwhile, the metal elastic sheet 231 drives the clamping block 232 at the tail end to move outwards and push against the inner tube wall of the positioning tube 21, the nose plug 221 is rotated again, and after the clamping block 232 rotates to the corresponding position of the clamping groove 233 on the positioning tube 21, the clamping block 232 is inserted into the clamping groove 233 under the action of the reset force of the metal elastic sheet 231, and the nose plug 221 is fixed on the positioning tube 21;
firstly, estimating the length of the catheter body 1 to be inserted, marking the position of the catheter body 1 extending from the nostril, moving the positioning tube 21, moving the nose plug 221 to the marking position, and inflating the air bag 222 to enable the air bag 222 to deform so as to clamp the catheter body 1;
the driving tube 412 is rotated anticlockwise, the driving tube 412 drives the unidirectional gear 421 to rotate while rotating in the bearing 411, the brake block 423 rotates clockwise on the supporting rod 422 after being driven by the unidirectional gear 421, the brake block 423 drives the torsion spring 424 to deform and simultaneously separate from the unidirectional gear 421, and after the unidirectional gear 421 rotates normally for a tooth pitch, the brake block 423 is clamped on the unidirectional gear 421 again under the action of the restoring force of the torsion spring 424, and the steps are repeated;
the driving pipe 412 rotates and drives the upper push plate 322 to synchronously slide on the lower slide plate 321 through the transmission rod 413, the push wheel 324 pushes the lower slide plate 321 to move in the axial direction of the catheter body 1 while rolling on the lower slide plate 321, and the lock pressing plate 311 stretches the serpentine spring piece 313 and drives the fixing needle 312 to be inserted into the pipe wall of the catheter body 1 so as to fix the lock pressing plate 311 and the catheter body 1 together;
since the stopper 426 is propped against the groove wall of the limiting groove 425, the brake block 423 cannot rotate anticlockwise on the supporting rod 422, so that the unidirectional gear 421 and the driving tube 412 are limited, and the driving tube 412 cannot rotate clockwise directly, so that the fixed needle 312 on the lock pressing plate 311 is kept in a state of being inserted into the wall of the catheter body 1;
then lightly inserting the catheter body 1 through nostrils at an angle parallel to the bottom of the nasal passage, downwards inserting the catheter body 1 along the bottom of the nasal passage until the catheter body is just beyond the nasopharynx, guiding a patient to push the catheter body 1 in the swallowing process until the nose plug 221 is inserted into the unilateral nasal cavity, blocking the unilateral nasal cavity, and preventing gas from entering the nasal cavity in which the catheter body 1 is inserted, thereby avoiding displacement of the catheter body 1 due to the influence of air flow in the nasal cavity;
when the catheter body 1 needs to be taken down from the positioning tube 21, firstly, clockwise rotation force is applied to the brake block 423, the brake block 423 drives the torsion spring 424 to deform, meanwhile, the limiting groove 425 and the limiting block 426 do relative motion, the brake block 423 is separated from the one-way gear 421, the driving tube 412 can be rotated clockwise to drive the upper push plate 322 to reset, under the action of reset tension force of the snake-shaped spring piece 313, the lock pressing plate 311 resets to drive the fixing needle 312 to separate from the catheter body 1, then the air in the air bag 222 is discharged, the air bag 222 does not clamp the catheter body 1 any more, and the catheter body 1 can be pulled out from the positioning tube 21.
It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present application. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims. Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the application, or those not associated with practicing the application).
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (4)
1. The nasal gastrointestinal catheter assembly comprises a catheter body (1) made of flexible materials, and is characterized in that: the catheter body (1) is sleeved with a fixing unit, and the fixing unit comprises a fitting part (2) arranged on the catheter body (1), a pressing part (3) arranged on the fitting part (2) and a driving part (4) arranged on the fitting part (2) and the pressing part (3);
the fitting component (2) comprises a positioning pipe (21) sleeved on the catheter body (1), a fitting assembly (22) arranged at the head end of the positioning pipe (21), and a clamping assembly (23) arranged between the fitting assembly (22) and the positioning pipe (21);
the pressing and fixing component (3) is used for fixing the attaching component (2) and the catheter body (1);
the driving part (4) is used for driving the pressing part (3) to be fixed with the catheter body (1);
the fitting assembly (22) comprises a nose plug block (221) sleeved on the catheter body (1), an air bag (222) arranged between the nose plug block (221) and the catheter body (1), a support ring (223) arranged on the inner pipe wall of the positioning pipe (21), and a support bar (224) arranged on the support ring (223), wherein the other end of the support bar (224) is arranged on the nose plug block (221);
the clamping assembly (23) comprises a metal spring piece (231) arranged on the nose plug piece (221), a clamping block (232) arranged on the outer side of the tail end of the metal spring piece (231), a clamping groove (233) arranged on the inner pipe wall of the positioning pipe (21), the clamping block (232) is clamped in the corresponding clamping groove (233), the clamping assembly (23) further comprises a spring (234) arranged on the nose plug piece (221), and a push ring (235) arranged at the other end of the spring (234); the pressing and fixing component (3) comprises a pressing and locking assembly (31) arranged in the positioning tube (21) and a sliding and pushing assembly (32) arranged on the pressing and locking assembly (31); the press lock assembly (31) comprises a press lock plate (311) which is arranged in an arc shape in the positioning tube (21), a fixed needle (312) which is arranged on the inner side of the press lock plate (311), a snake-shaped spring piece (313) which is arranged between the outer side of the press lock plate (311) and the inner tube wall of the positioning tube (21), and a telescopic rod (314) which is arranged between the press lock plate (311) and the positioning tube (21); the sliding component (32) comprises a lower sliding plate (321) arranged on the outer side of the lock pressing plate (311) and an upper pushing plate (322) arranged on the cambered surface of the lower sliding plate (321), the sliding component (32) further comprises an arc-shaped pushing groove (323) arranged on the upper pushing plate (322) and a pushing wheel (324) arranged in the pushing groove (323), and the pushing wheel (324) is rotationally connected on the cambered surface of the lower sliding plate (321).
2. The nasogastric catheter assembly of claim 1, wherein: the driving component (4) comprises a driving component (41) arranged in the positioning tube (21) and a unidirectional component (42) arranged on the driving component (41);
the driving assembly (41) comprises a bearing (411) arranged on the inner pipe wall of the tail end of the positioning pipe (21), a driving pipe (412) penetrating through the bearing (411), and a transmission rod (413) arranged between the pushing plate (322) and the driving pipe (412).
3. The nasogastric catheter assembly of claim 2, wherein: the unidirectional component (42) comprises a unidirectional gear (421) arranged on the driving pipe (412), a supporting rod (422) arranged at the tail end of the positioning pipe (21), a brake block (423) arranged on the supporting rod (422), one end of the brake block (423) is clamped on the unidirectional gear (421), the unidirectional component (42) further comprises a torsion spring (424) arranged between the positioning pipe (21) and the brake block (423), a limiting groove (425) arranged in the braking block (423) and a limiting block (426) arranged on the wall of the supporting rod (422), and the limiting block (426) is slidably connected in the limiting groove (425).
4. A disposable visual naso-gastrointestinal catheter for use with the naso-gastrointestinal catheter assembly of claim 3, characterized in that: the novel catheter comprises a catheter body (1), wherein a control wire (5) is connected to the head end of the catheter body (1), the control wire (5) extends towards the tail end of the catheter body (1) along the direction of the catheter body (1), and a reinforcing wire (6) is arranged in the catheter body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311086089.3A CN116785566B (en) | 2023-08-28 | 2023-08-28 | Nose stomach intestine pipe subassembly and disposable visual nose stomach intestine pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311086089.3A CN116785566B (en) | 2023-08-28 | 2023-08-28 | Nose stomach intestine pipe subassembly and disposable visual nose stomach intestine pipe |
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| CN116785566B true CN116785566B (en) | 2023-11-14 |
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| CN116785566A (en) | 2023-09-22 |
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