CN114028697B - Convenient-to-use postoperative anastomotic stoma dilator for rectum operation - Google Patents
Convenient-to-use postoperative anastomotic stoma dilator for rectum operation Download PDFInfo
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- CN114028697B CN114028697B CN202111582009.4A CN202111582009A CN114028697B CN 114028697 B CN114028697 B CN 114028697B CN 202111582009 A CN202111582009 A CN 202111582009A CN 114028697 B CN114028697 B CN 114028697B
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- 210000000664 rectum Anatomy 0.000 title claims abstract description 64
- 230000002980 postoperative effect Effects 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 142
- 238000002347 injection Methods 0.000 claims abstract description 44
- 239000007924 injection Substances 0.000 claims abstract description 44
- 230000009471 action Effects 0.000 claims description 9
- 210000001066 surgical stoma Anatomy 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 230000006378 damage Effects 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 208000015634 Rectal Neoplasms Diseases 0.000 description 4
- 206010038038 rectal cancer Diseases 0.000 description 4
- 201000001275 rectum cancer Diseases 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 206010009944 Colon cancer Diseases 0.000 description 3
- 208000001333 Colorectal Neoplasms Diseases 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 210000004712 air sac Anatomy 0.000 description 2
- 230000003872 anastomosis Effects 0.000 description 2
- 210000000436 anus Anatomy 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000010339 dilation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000968 intestinal effect Effects 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000013589 supplement Substances 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/31—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Anesthesiology (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- External Artificial Organs (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a convenient-to-use postoperative anastomotic stoma dilator, which comprises a push injection mechanism, wherein the front end of the push injection mechanism is connected with a tip, the outer side of the push injection mechanism is provided with a sleeve body, one end of the sleeve body is provided with a connecting piece, the outer part of the sleeve body is provided with a convex strip and an air bag component, the tip is provided with an annular air bag, the inner sides of the air bag component and the annular air bag are provided with an expansion mechanism, and the outer side of the air bag component and the annular air bag are provided with a pressure sensor; through the matched use of the convex strips and the air bag component, not only is a section of rectum of a patient supported, but also the damage to the rectum caused by unsmooth surface of the air bag component is avoided; the annular air bag is used for fixing the other rectum, the rectum can be attached to the surface of the annular air bag by the bulge on the surface of the annular air bag, and the rectum is not easy to fall off in the process of moving the end head; the expansion mechanism is arranged, the principle that like poles repel and opposite poles attract is utilized, so that the strip-shaped air bags and the annular air bags are expanded or recovered, and the advantages of reducing pipelines and being simple and convenient in structure are achieved through electronic control.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a convenient-to-use postoperative anastomotic stoma dilator for rectal surgery.
Background
The proportion of patients with colorectal cancer is increased year by year, with the technical progress, a plurality of patients with colorectal cancer which cannot protect the anus in the past adopt a low-level anastomosis anorectal protection technology, the rectum is about 12-15 cm, the patients can be divided into high-level rectal cancer, medium-level rectal cancer and low-level rectal cancer, the patients with colorectal cancer are generally regarded as low-level rectal cancer with the lesion distance of less than 5-7 cm from the anal margin, in the process of operation, cancerous sections are required to be excised, and then two sections of rectums which are not diseased are anastomosed. The low-level anastomosis is often easy to cause anastomotic stoma stenosis due to weak intestinal canal blood supply, local inflammation, anus disuse caused by protective stoma in three months after operation, and the like.
At present, no special dilating instrument special for the anastomotic stoma stenosis after the low-level rectum operation exists clinically. Still, the manual expansion of medical staff is the main method, or the DSA is adopted for guiding the balloon dilation, so that the cost is high, the consumable material has no repeatability, and the balloon dilation cannot be automatically implemented outside a medical unit; moreover, the existing balloon can only expand one section of rectum, and can not expand two sections of rectum at the same time; in addition, the balloon has smaller volume before being expanded, is convenient to enter the rectum, but after being expanded, the balloon needs to be deflated when being taken out of the rectum, but cannot be restored to the original state, so that certain damage can be caused to the rectum of a patient in the taking out process; the current balloon is inflated by inflation or water injection, so that in the use process, one hand is required to control the advancing depth of the balloon, and the other hand is required to control an inflator pump or a water injection needle tube; the intestinal canal condition is indirectly displayed through intermittent radiography, and the operation is performed under non-direct-view monitoring, so that the operation is inaccurate or has errors, or other people are required to cooperate; therefore, how to overcome the above-mentioned technical problems and drawbacks becomes an important problem to be solved.
Disclosure of Invention
The invention aims to overcome the defects described in the background art, and thus provides the convenient-to-use postoperative anastomotic stoma dilator for rectal surgery.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the utility model provides a convenient rectum operation postoperative anastomotic stoma expander that uses, contains the push-injection mechanism, the front end of push-injection mechanism is connected with the end, the outside of push-injection mechanism is provided with the cover body, the cover body is connected through coupling mechanism with the push-injection mechanism, the one end of the cover body is provided with the connecting piece, the other end of the cover body is provided with the end, the outside equidistant of the cover body is provided with a plurality of protruding strips, all is provided with the gasbag subassembly between two adjacent protruding strips, the rear end of end is provided with the standing groove, be provided with annular gasbag in the standing groove, gasbag subassembly and annular gasbag inboard are provided with first inflation mechanism and second inflation mechanism respectively, the outside of gasbag subassembly and annular gasbag's outside are provided with first pressure sensor and second pressure sensor respectively, the connecting piece inboard is provided with first control mechanism, the afterbody of push-injection mechanism is provided with second control mechanism, first pressure sensor and first control mechanism electric connection, second 74///pressure sensor and second control mechanism electric connection's outside is provided with the display.
Further, an LED lamp and a camera are arranged at the front end of the end head, the camera is connected with a fiber tube, the fiber tube is connected with an information collector, and the information collector is electrically connected with a second control mechanism; the second control mechanism is connected with the display, and the display can play the pictures or videos shot by the camera.
Further, the connecting mechanism comprises a limiting component arranged on the pushing injection mechanism and a clamping piece arranged below the connecting piece; the limiting assembly comprises a groove formed in the surface of the pushing mechanism, wherein a plurality of clamping teeth are arranged in the groove; the clamping piece comprises a sliding groove arranged below the connecting piece, a compression spring is arranged at the top of the sliding groove, a sliding block is connected below the compression spring, a clamping block is connected to the lower end of the sliding block, and the clamping block is clamped between two adjacent clamping teeth; the limiting component and the clamping piece are matched for use, so that the push injection mechanism and the sleeve body can be connected into a whole or can be separated for use; when the push injection mechanism is used, when the push injection mechanism and the sleeve body are required to be connected into a whole, the clamping block is clamped between two adjacent clamping teeth, so that the push injection mechanism and the sleeve body are connected into a whole; when the pushing mechanism and the sleeve body are required to be used separately, the sliding block is pushed upwards, so that the clamping block is positioned above the clamping teeth, and the pushing mechanism is pushed to move, so that the pushing mechanism and the sleeve body are used separately.
Further, the sleeve body comprises an air bag component, a protruding strip and side plates arranged at two ends of the air bag component and the protruding strip, wherein two ends of the side plates are respectively provided with a clamping plate and a clamping groove which are matched and used, the air bag component and the protruding strip are arranged in a staggered mode and connected, two ends of the air bag component and the protruding strip are respectively provided with a clamping plate and a clamping groove which are matched and used, and the clamping plates and the clamping grooves are all positioned on the same horizontal line; when the sleeve body is used at ordinary times, the sleeve body is cylindrical, and when maintenance or replacement is needed, the sleeve body can be disassembled for maintenance or replacement, so that the whole replacement is avoided, and the cost is saved.
Further, the air bag component comprises a base and a strip-shaped air bag which is arranged above the base and fixedly connected with the base, and a connector is arranged on the outer side of the strip-shaped air bag.
Further, the first expansion mechanism comprises first electromagnets embedded in the inner side of the base and magnets arranged in the inner side of the strip-shaped air bags, the first electromagnets are connected with the magnets through expansion springs, and the first electromagnets on the inner side of each base are connected in series and are electrically connected with opposite connectors; when the air bag is used, the first electromagnet is electrified and has the same polarity as the magnet, so that the magnet is far away from the first electromagnet under the action of repulsive force of the first electromagnet, and the expansion spring expands at the moment, so that the strip-shaped air bag expands; when the strip-shaped air bag is taken out, the first electromagnet is electrified and the polarity of the first electromagnet is opposite to that of the first electromagnet, so that the magnet is close to the first electromagnet under the action of the attraction force of the first electromagnet, the expansion spring is compressed at the moment, the strip-shaped air bag is recovered, and the expansion degree and the contraction degree of the strip-shaped air bag are controlled by controlling the magnetic direction and the magnetic force of the first electromagnet.
Further, the first control mechanism comprises a first battery component and a first data acquisition element which are arranged on the inner side of the connecting piece, a connecting seat is arranged at one end, close to the air bag component, of the connecting piece, the connecting seat is electrically connected with the first battery component, and the connecting seat is electrically connected with the connector; the first data acquisition element is electrically connected with the first pressure sensor and the second control mechanism; one end of the connecting piece, which is close to the air bag component, is provided with a fixed groove matched with the similar side plate; the first battery assembly provides electric energy for the first electromagnet; the first data acquisition element is a PLC or a data acquisition card; the PLC or the data acquisition card converts the analog signal transmitted by the first pressure sensor into a digital signal, transmits the digital signal to the second control mechanism, and then displays the digital signal through the display; so that doctors can know the pressure value of the air bag component in time.
Further, the second expansion mechanism comprises a second electromagnet embedded in the inner side of the placement groove and a magnet arranged in the inner side of the annular air bag, the second electromagnet is connected with the magnet through an expansion spring, the second electromagnet in the inner side of each placement groove is connected in series, a second battery assembly is arranged in the inner side of the tail part of the push injection mechanism, and the second electromagnet is electrically connected with the second battery assembly; when the annular air bag is used, the second electromagnet is electrified and has the same polarity as the magnet, so that the magnet is far away from the second electromagnet under the action of repulsive force of the second electromagnet, and the expansion spring expands at the moment, so that the annular air bag expands; when the annular air bag is taken out, the second electromagnet is electrified and the polarity of the second electromagnet is opposite to that of the magnet, so that the magnet is close to the second electromagnet under the action of the attraction force of the second electromagnet, the expansion spring is compressed at the moment, the annular air bag is recovered, and the expansion degree and the contraction degree of the annular air bag are controlled by controlling the magnetic direction and the magnetic force of the second electromagnet; the second battery assembly provides electrical energy to the second electromagnet.
Further, a second control mechanism is arranged on the inner side of the tail part of the pushing mechanism, the second control mechanism comprises a second battery assembly, a second data acquisition element and a control unit, the second battery assembly, the second data acquisition element and the second control mechanism are arranged on the tail part of the pushing mechanism, and the second data acquisition element is electrically connected with a second pressure sensor and the second control mechanism; the second data acquisition element is a PLC or a data acquisition card; the PLC or the data acquisition card converts the analog signal transmitted by the second pressure sensor into a digital signal, and then transmits the digital signal to the second control mechanism, and then the digital signal is displayed through the display, so that a doctor can know the pressure value of the annular air bag in time.
Further, scale marks are arranged on the outer side of the pushing injection mechanism, and a keyboard is arranged on the tail part of the pushing injection mechanism and the outer part of the connecting piece; the scale marks are convenient for determining the advancing distance of the push injection mechanism, and the operation accuracy of the push injection mechanism is improved.
The convenient-to-use postoperative anastomotic stoma dilator for the rectum operation has the beneficial effects that:
1. According to the postoperative anastomotic stoma dilator convenient to use, the plurality of protruding strips are arranged outside the sleeve body, the air bag component is arranged between the two adjacent protruding strips, before the use, the air bag component is lower than the protruding strips, so that the air bag component can conveniently enter the rectum under the action of the protruding strips, and when the postoperative anastomotic stoma dilator is used, the air bag component expands under the action of the first expansion mechanism to support the rectum, so that the sleeve body is prevented from entering the rectum, and the surface of the protruding strips is smooth due to the fact that the surface of the air bag component is not smooth and uneven and hurts the rectum, and the sleeve body can conveniently and rapidly enter the rectum.
2. The convenient-to-use postoperative anastomotic stoma dilator for the rectum operation has the advantages that the sleeve body and the pushing mechanism are connected through the connecting mechanism, and the pushing mechanism and the sleeve body can be connected into a whole or can be used separately through the connecting mechanism; thereby the sleeve body is fixed to one section of rectum, the pushing injection mechanism drives the end head to move, and the other section of rectum is fixed, so that two sections of rectum can be fixed.
3. According to the postoperative anastomotic stoma dilator convenient to use, the annular air bag is arranged on the surface of the end, the annular air bag is used for fixing the other section of rectum, and the friction force between the annular air bag and the inner side of the rectum of a patient can be increased by the protrusions on the surface of the annular air bag, so that the rectum is attached to the surface of the annular air bag, and the rectum is not easy to fall off in the moving process of the end.
4. According to the convenient-to-use postoperative anastomotic stoma dilator for the rectum, the first expansion mechanism and the second expansion mechanism are arranged, the magnetic direction and the magnetic force of the electromagnet are controlled, the expansion degree and the contraction degree of the strip-shaped air bag and the annular air bag are controlled, and after the convenient-to-use postoperative anastomotic stoma dilator is used, the air bag assembly and the annular air bag can be restored to the original positions, so that the rectum of a patient is prevented from being scratched in the moving-out process.
5. According to the convenient-to-use postoperative anastomotic stoma dilator for the rectum, the pressure sensors are arranged on the outer sides of the air bag component and the annular air bag, and the display can display the pressure values of the pressure sensors, so that a doctor can know the pressure values of the air bag component and the annular air bag in time, and the inflation degree of the air bag component and the annular air bag can be controlled conveniently.
6. According to the conveniently used postoperative anastomotic stoma dilator for the rectum operation, the first expansion mechanism and the second expansion mechanism are arranged, the principle that like poles repel and opposite poles attract is utilized, the strip-shaped air bags and the annular air bags are expanded or recovered, and the arrangement of pipelines is reduced through electronic control, so that the structure is simpler and more convenient.
7. The convenient-to-use postoperative anastomotic stoma dilator for the rectum operation has the advantages that the sleeve body can be unfolded, the replacement of individual first electromagnets is facilitated, the air bag assemblies and the protruding strips can be detachably connected, the replacement of individual air bag assemblies is facilitated, the repair cost is reduced, and the maintenance is facilitated.
Drawings
FIG. 1 is a schematic structural view of a convenient-to-use post-rectal surgical stoma dilator of the present invention;
FIG. 2 is a schematic illustration of the structure of the push mechanism and sleeve of the post-operative rectal stoma dilator of the present invention for convenient use;
FIG. 3 is a schematic view of the structure of the tip of the post-operative rectal stoma dilator of the present invention for convenient use;
FIG. 4 is a schematic view of the structure of the present invention, in a convenient use post-rectal surgery stoma dilator, with the balloon assembly not in use;
FIG. 5 is a schematic view of the structure of the balloon assembly of the present invention for use in a post-rectal surgical stoma dilator;
FIG. 6 is a schematic view of the deployment configuration of the sleeve body of the post-operative rectal stoma dilator of the present invention for convenient use;
FIG. 7 is a schematic view of the left side view of the connector of the post-operative rectal stoma dilator of the present invention for convenient use;
FIG. 8 is an enlarged schematic view of the structure of FIG. 2A;
In the figure: the device comprises a 1-pushing mechanism, 11-scale marks, 12-grooves, 13-clamping teeth, a 2-sleeve body, 21-airbag components, 211-strip-shaped airbags, 212-bases, 213-connectors, 22-protruding strips, 23-connectors, 231-connecting seats, 232-fixing grooves, 233-sliding grooves, 234-compression springs, 235-sliding blocks, 236-clamping blocks, 3-ends, 31-placing grooves, 32-annular airbags, 33-protrusions, 34-cameras, 35-LED lamps, 41-first pressure sensors, 42-second pressure sensors, 43-displays, 51-first electromagnets, 52-expansion springs, 53-magnets, 54-first battery components, 55-second electromagnets and 56-second battery components.
Detailed Description
The convenient-to-use post-rectal surgery stoma dilator of the invention is described in more detail below with reference to the accompanying drawings and by way of specific embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-3 and 8, the convenient-to-use post-rectal operation anastomotic stoma dilator of the embodiment has the advantages that the convenient-to-use post-rectal operation anastomotic stoma dilator is matched with the air sac assembly through the protruding strips, so that a section of rectum of a patient can be supported, and damage to the rectum caused by unsmooth surface of the air sac assembly is avoided; the annular air bag is used for fixing the other rectum, the rectum can be attached to the surface of the annular air bag by the bulge on the surface of the annular air bag, and the rectum is not easy to fall off in the process of moving the end head; after the resetting mechanism is used, the air bag assembly and the annular air bag can be restored to the original positions, so that the rectum of a patient is prevented from being scratched in the process of moving out; through being provided with pressure sensor in the outside of gasbag subassembly and cyclic annular gasbag, the display can show pressure sensor's pressure value, makes the doctor in time know the pressure value of gasbag subassembly and cyclic annular gasbag, advantages such as the degree of inflation of control gasbag subassembly and cyclic annular gasbag specifically contain bolus mechanism 1, and the outside of bolus mechanism 1 is provided with scale mark 11, and scale mark 11 is convenient for confirm the distance that bolus mechanism 1 advances, improves the accuracy of its operation. The outer side of the pushing mechanism 1 is provided with a sleeve body 2, the sleeve body 2 is connected with the pushing mechanism 1 through a connecting mechanism, and the connecting mechanism comprises a limiting component arranged on the pushing mechanism 1 and a clamping piece arranged below a connecting piece 23; the limiting component comprises a groove 12 arranged on the surface of the push injection mechanism 1, a plurality of clamping teeth 13 are arranged in the groove 12, and a plurality of clamping teeth 13 are arranged; the clamping piece comprises a sliding groove 233 which is arranged below the connecting piece 23, a compression spring 234 is arranged at the top of the sliding groove 233, a sliding block 235 is connected below the compression spring 234, a clamping block 236 is connected at the lower end of the sliding block 235, and the clamping block 236 is clamped between two adjacent clamping teeth 13; the limiting component and the clamping piece are matched for use, so that the push injection mechanism 1 and the sleeve body 2 can be connected into a whole or can be used separately; when the injection device is used, when the injection mechanism 1 and the sleeve body 2 are required to be connected into a whole, the clamping block 236 is clamped between two adjacent clamping teeth 13, so that the injection mechanism 1 and the sleeve body 2 are connected into a whole; when the push injection mechanism 1 and the sleeve body 2 are required to be used separately, the sliding block 235 is pushed upwards to enable the clamping block 236 to be located above the clamping tooth 13, so that the push injection mechanism 1 is pushed to move, and the push injection mechanism 1 and the sleeve body 2 are used separately.
Referring to fig. 1, 4, 5 and 6, a plurality of protruding strips 22 are arranged at equal intervals on the outer part of the sleeve body 2, the protruding strips 22 are circumferentially and uniformly distributed on the outer part of the sleeve body 2, the surfaces of the protruding strips 22 are smooth and arc-shaped, and the arc-shaped ends are connected into the same circular ring. Thereby making the rectum even in the rectum stress when entering the rectum. An airbag module 21 is arranged between two adjacent raised strips 22. Both sides of the protrusion strip 22 are provided with sliding grooves, and both sides of the air bag module 21 are provided with sliding blocks, so that the air bag module 21 and the protrusion strip 22 are detachably connected. When a certain air bag component 21 is damaged and needs to be replaced, one air bag component 21 can be replaced independently, so that the whole sleeve body 2 is prevented from being replaced, and the replacement cost is reduced. The two ends of the air bag component 21 and the raised strip 22 are provided with side plates 24, two ends of the side plates 24 are respectively provided with a clamping plate 251 and a clamping groove 252 which are matched and used, two ends of the air bag component 21 and the raised strip 22 are respectively provided with a clamping plate 251 and a clamping groove 252 which are matched and used, and the clamping plate 251 and the clamping groove 252 are both positioned on the same horizontal line; when the sleeve body 2 is used at ordinary times, the clamping plate 251 is embedded in the clamping groove 252, so that the sleeve body 2 is cylindrical. When the maintenance or replacement is needed, the maintenance or replacement can be carried out by disassembling the device, so that the whole replacement is avoided, and the cost is saved.
Another embodiment is: the protruding strip 22 and the air bag component 21 are connected in a mosaic manner, a clamping groove is formed in the inner side of the protruding strip 22, a clamping plate is arranged at the bottom of the air bag component 21 and clamped in the clamping groove, and the clamping plate is arranged below the clamping groove. When fully connected, the raised strips 22 and the inner side of the air bag component 21 form a circular ring, and the inner surface is smooth. At this time, the sleeve 2 is cylindrical and cannot be unfolded. In addition, the invention also has a plurality of combination modes, such as: the sleeve body 2 is in a cylindrical shape which can be unfolded, the convex strips 22 and the air bag component 21 are in an embedded structure, and the embedded structure is the same as the embedded structure; the sleeve body 2 is in a non-expandable cylindrical shape, and the convex strip 22 and the air bag component 21 are in sliding connection. The above connection manner and structure belong to the same technology of the present invention, and are not described in detail herein.
Referring to fig. 1, 4, 5 and 6, the air bag module 21 includes a base 212 and a bar-shaped air bag 211 disposed above the base 212 and fixedly connected with the base 212, a first expansion mechanism is disposed on the inner side of the bar-shaped air bag 211, the first expansion mechanism includes a first electromagnet 51 inlaid on the inner side of the base 212 and a magnet 53 disposed on the inner side of the bar-shaped air bag 211, the first electromagnet 51 and the magnet 53 are connected by an expansion spring 52, and the first electromagnet 51 on the inner side of each base 212 is connected in series and connected with an opposite connector 213 by a circuit; when in use, the first electromagnet 51 is electrified and has the same polarity as the magnet 53, so that the magnet 53 is far away from the first electromagnet 51 under the action of the repulsive force of the first electromagnet 51, and the expansion spring 52 expands at this time, so that the strip-shaped air bag 211 expands; at the time of taking out, the first electromagnet 51 is electrified and the polarity of the first electromagnet 53 is opposite to that of the first electromagnet 53, so that the first electromagnet 51 is close to the first electromagnet 53 under the attraction force of the first electromagnet 51, and at the moment, the expansion spring 52 is compressed, so that the strip-shaped air bag 211 is recovered, and the degree of expansion and contraction of the strip-shaped air bag 211 are controlled by controlling the magnetic direction and the magnetic force of the first electromagnet 51. The outside of the strip-shaped air bag 211 is provided with a connector 213, and the connector 213 is connected with a circuit of the electromagnet 53 inside the same strip-shaped air bag 211. The first pressure sensor 41 is provided on the outer side of the strip balloon 211, and the first pressure sensor 41 detects the pressure of the rectum of the patient.
Referring to fig. 1 and 7, a connecting piece 23 is arranged at one end of the sleeve body 2 near the tail of the injection mechanism 1, a first control mechanism is arranged at the inner side of the connecting piece 23, the first control mechanism comprises a first battery component 54 and a first data acquisition element which are arranged at the inner side of the connecting piece 23, a connecting seat 231 is arranged at one end of the connecting piece 23 near the air bag component 21, the connecting seat 231 is connected with the first battery component 54 through a circuit, and the connecting seat 231 is connected with a connector 213 through a circuit; thereby energizing the first electromagnet 51. The first data acquisition element is connected with the first pressure sensor 41 and the second control mechanism through circuits; the end of the connecting piece 23, which is close to the air bag assembly 21, is provided with a fixed groove 232 matched with the similar side plate 24; thereby fixedly connecting the sleeve body 2 with the connecting piece 23. The first data acquisition element is a PLC or a data acquisition card; the PLC or the data acquisition card converts the analog signal transmitted by the first pressure sensor 41 into a digital signal, transmits the digital signal to the second control mechanism, and then displays the digital signal through the display 43; so that doctors can know the pressure value of the rectum of the patient in time.
Referring to fig. 1-3, the front end of the injection mechanism 1 is connected with a tip 3, the front end of the tip 3 is provided with an LED lamp 35 and a camera 34, and the LED lamp 35 can illuminate and supplement light to the camera 34 in the operation process, so that the camera 34 shoots clearly. The LED lamp 35 is connected with the second control mechanism through a circuit, the camera 34 is connected with a fiber tube, the fiber tube is connected with an information collector, and the information collector is connected with the second control mechanism through a circuit; the second control mechanism is connected to a display 43, and the display 43 can play the pictures or videos shot by the camera 34. The information collected by the information collector is transmitted to the display 43, so that doctors can know the specific condition of patients in time. The tail of the bolus mechanism 1 is provided with a control switch of the LED lamp 35 and the camera 34, thereby turning on or off the LED lamp 35.
Referring to fig. 1-3, a placement groove 31 is formed at the rear end of the tip 3, an annular air bag 32 is arranged in the placement groove 31, and a protrusion 33 is arranged on the surface of the annular air bag 32, so that friction force between the annular air bag 32 and the inner side of a patient rectum can be increased, and the rectum is attached to the surface of the annular air bag 32 and is not easy to fall off. The annular airbag 32 is provided inside with a second expansion mechanism. The second expansion mechanism comprises a second electromagnet 55 embedded inside the placing groove 31 and a magnet 53 arranged inside the annular air bag 32, the second electromagnet 55 and the magnet 53 are connected through an expansion spring 52, the second electromagnet 55 inside each placing groove 31 is connected in series, a second battery component 56 is arranged inside the tail part of the injection mechanism 1, and the second electromagnet 55 is connected with the second battery component 56 through a circuit; in use, the second electromagnet 55 is energized and has the same polarity as the magnet 53, so that under the action of the repulsive force of the second electromagnet 55, the magnet 53 is away from the second electromagnet 55, and the expansion spring 52 expands at this time, so that the annular air bag 32 expands; when the annular air bag 32 is taken out, the second electromagnet 55 is electrified and the polarity of the second electromagnet 55 is opposite to that of the magnet 53, so that the magnet 53 approaches the second electromagnet 55 under the attraction force of the second electromagnet 55, the expansion spring 52 is compressed at the moment, the annular air bag 32 is recovered, and the expansion degree and the contraction degree of the annular air bag 32 are controlled by controlling the magnetic direction and the magnetic force of the second electromagnet 55; the second battery assembly 56 provides electrical power to the second electromagnet 55. The outer side of the annular balloon 32 is provided with a second pressure sensor 42. The side plate at the rear end of the placing groove 31 can be detached from and connected with the placing groove 31, so that the annular air bag 32 can be detached, overhauled or replaced. The whole replacement is avoided, only the parts needing to be replaced are replaced, and the cost is saved.
Referring to fig. 1-2, a second control mechanism is arranged on the inner side of the tail of the injection mechanism 1, and comprises a control unit, a second battery assembly 56 and a second data acquisition element, wherein the control unit, the second battery assembly 56 and the second battery assembly 56 are arranged on the tail of the injection mechanism 1, and the second data acquisition element is connected with the second pressure sensor 42, the control unit and the second battery assembly 56 through circuits; the second data acquisition element is a PLC or a data acquisition card; the PLC or the data acquisition card converts the analog signal transmitted by the second pressure sensor 42 into a digital signal, and then transmits the digital signal to the second control mechanism, and then displays the digital signal through the display 43, so that the doctor can know the pressure value of the annular air bag 32 in time.
The application process of the invention is as follows: when the device is used, the sleeve body is fixedly connected with the push injection mechanism through the connecting mechanism, the sleeve body enters a section of rectum, then the first expansion mechanism is started, the polarities of the first electromagnet and the magnet are the same, the air bag component is expanded under the repulsive force of the first electromagnet, the section of rectum is supported, and when the pressure detected by the first pressure sensor reaches the standard, the first expansion mechanism maintains the state. Then, the connecting mechanism is opened to separate the pushing injection mechanism from the sleeve body, so that the polarities of the first electromagnet and the magnet are the same, the pushing injection mechanism is continuously pushed under the repulsive force of the electromagnet, the end head is continuously moved forwards and enters the other rectum, and then the second expansion mechanism is started to enable the polarities of the second electromagnet and the magnet to be the same, so that the annular air bag is expanded under the repulsive force of the second electromagnet to support the other rectum. The surface of the annular air bag is provided with a bulge, and the bulge increases friction force between the annular air bag and the inner side of the rectum of a patient, so that the rectum is attached to the surface of the annular air bag. And then the pushing and injecting mechanism is drawn back to enable the end parts of the two sections of rectum to be close. When the end parts of the two sections of rectum are contacted, the movement of the pushing injection mechanism is stopped, the sleeve body is fixedly connected with the pushing injection mechanism again through the connecting mechanism, and then the rectum can be sutured by medical staff. After the use is completed, the electromagnetic ferromagnetism of the first expansion mechanism and the second expansion mechanism is opposite to the polarity of the magnet, so that the air bag assembly and the annular air bag are contracted inwards under the adsorption of the electromagnet and return to the initial position, and the conditions of scratching the rectum of a patient and the like are avoided when the pushing injection mechanism is pulled out of the rectum of the patient. The front end of end is provided with LED lamp and camera, plays the auxiliary role to the operation process, supplies the doctor in time to know patient specific condition.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" and "an" and similar referents in the description and claims of the application are not necessarily to scale. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
While the exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that many changes and modifications can be made to the specific embodiments described above without departing from the spirit of the invention, and that many combinations of technical features and structures can be made without departing from the scope of the invention.
Claims (7)
1. The utility model provides a convenient rectum operation postoperative anastomotic stoma expander that uses, contains the mechanism of pushing away, the front end of pushing away the mechanism of pushing away is connected with the end, its characterized in that: the device comprises a sleeve body, a connecting piece, a first control mechanism, a second control mechanism, an air bag component, a placing groove, a first expansion mechanism and a second expansion mechanism, wherein the sleeve body is arranged on the outer side of the pushing mechanism, the sleeve body is connected with the pushing mechanism through the connecting mechanism, the connecting piece is arranged at one end of the sleeve body, the end head is arranged at the other end of the sleeve body, a plurality of protruding strips are arranged at equal intervals on the outer side of the sleeve body, the air bag component is arranged between two adjacent protruding strips, the placing groove is arranged at the rear end of the end head, an annular air bag is arranged in the placing groove, the air bag component and the inner side of the annular air bag are respectively provided with the first expansion mechanism and the second expansion mechanism, the outer side of the air bag component and the outer side of the annular air bag are respectively provided with the first pressure sensor and the second pressure sensor, the first control mechanism is arranged on the inner side of the connecting piece, the second control mechanism is arranged at the tail of the pushing mechanism, the first pressure sensor is electrically connected with the first control mechanism, the second pressure sensor and the second control mechanism are electrically connected, and a display is arranged on the outer side of the second control mechanism;
The first expansion mechanism comprises first electromagnets embedded in the inner side of the base and magnets arranged in the inner side of the strip-shaped air bag, the first electromagnets are connected with the magnets through expansion springs, and the first electromagnets on the inner side of each base are connected in series and are electrically connected with opposite connectors; when the air bag is used, under the action of the first expansion mechanism, the air bag component expands to support the rectum, so that the sleeve body is prevented from entering the rectum, and the surface of the air bag component is unsmooth and uneven, so that the rectum is damaged, the surface of the convex strip is smooth, and the sleeve body can quickly enter the rectum;
The second expansion mechanism comprises a second electromagnet embedded inside the placing grooves and a magnet arranged inside the annular air bag, the second electromagnet is connected with the magnet through an expansion spring, the second electromagnet inside each placing groove is connected in series, a second battery assembly is arranged inside the tail part of the pushing injection mechanism, and the second electromagnet is electrically connected with the second battery assembly;
The connecting mechanism comprises a limiting component arranged on the pushing injection mechanism and a clamping piece arranged below the connecting piece; the limiting assembly comprises a groove formed in the surface of the pushing mechanism, wherein a plurality of clamping teeth are arranged in the groove; the clamping piece comprises a sliding groove arranged below the connecting piece, a compression spring is arranged at the top of the sliding groove, a sliding block is connected with the lower side of the compression spring, a clamping block is connected with the lower end of the sliding block, and the clamping block is clamped between two adjacent clamping teeth.
2. The ready-to-use post-rectal surgical stoma dilator of claim 1, wherein: the front end of end is provided with LED lamp and camera, the camera is connected with the fibre pipe, the fibre pipe is connected with information collector, information collector and second control mechanism electric connection.
3. The ready-to-use post-rectal surgical stoma dilator of claim 1, wherein: the cover body includes gasbag subassembly, protruding strip and sets up the curb plate at gasbag subassembly and protruding strip both ends, the both ends of curb plate are provided with joint board and joint groove that matches the use respectively, gasbag subassembly and protruding strip crisscross setting and connection, and the both ends of gasbag subassembly and protruding strip are provided with joint board and joint groove that matches the use respectively, joint board and joint groove all are located same horizontal line.
4. The ready-to-use post-rectal surgical stoma dilator of claim 1, wherein: the air bag assembly comprises a base and a strip-shaped air bag which is arranged above the base and fixedly connected with the base, and a connector is arranged on the outer side of the strip-shaped air bag.
5. A ready-to-use post-rectal surgical stoma dilator according to claim 1 or 4, characterized in that: the first control mechanism comprises a first battery component and a first data acquisition element which are arranged on the inner side of a connecting piece, a connecting seat is arranged at one end, close to the air bag component, of the connecting piece, the connecting seat is electrically connected with the first battery component, and the connecting seat is electrically connected with a connector; the first data acquisition element is electrically connected with the first pressure sensor and the second control mechanism; one end of the connecting piece, which is close to the air bag component, is provided with a fixing groove matched with the similar side plate.
6. The ready-to-use post-rectal surgical stoma dilator of claim 1, wherein: the inner side of the tail part of the injection mechanism is provided with a second control mechanism, the second control mechanism comprises a second battery assembly, a second data acquisition element and a control unit, and the second battery assembly, the second data acquisition element and the second pressure sensor are arranged at the tail part of the injection mechanism, and are electrically connected with the second control mechanism.
7. The ready-to-use post-rectal surgical stoma dilator of claim 1, wherein: the outside of pushing away the notes mechanism is provided with the scale mark, the afterbody of pushing away notes mechanism and the outside of connecting piece all are provided with the key pad.
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| CN202111582009.4A CN114028697B (en) | 2021-12-22 | 2021-12-22 | Convenient-to-use postoperative anastomotic stoma dilator for rectum operation |
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| CN202111582009.4A CN114028697B (en) | 2021-12-22 | 2021-12-22 | Convenient-to-use postoperative anastomotic stoma dilator for rectum operation |
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| CN114028697B true CN114028697B (en) | 2024-06-04 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130009445A (en) * | 2011-07-15 | 2013-01-23 | 연세대학교 산학협력단 | Rectal expansion apparatus for immobilization of prostate internal motion |
| CN203802520U (en) * | 2014-04-29 | 2014-09-03 | 陆安清 | Anorectal disease and crissum postoperation compression hemostasis device |
| CN204468978U (en) * | 2015-02-12 | 2015-07-15 | 周业华 | Baby's anal dilator |
| CN204766982U (en) * | 2015-07-02 | 2015-11-18 | 中国人民解放军第四军医大学 | Drainage formula anal canal is fixed in multi -functional pressurization |
| CN209826661U (en) * | 2019-03-11 | 2019-12-24 | 王伟伟 | Improved air leakage-proof anus plug for painless enteroscopy |
| CN111658984A (en) * | 2020-07-21 | 2020-09-15 | 重庆市人民医院 | Anorectal administration device |
| CN212187432U (en) * | 2019-12-09 | 2020-12-22 | 深圳脉动医学技术有限公司 | Balloon dilatation catheter for hepatobiliary surgery |
| CN213250226U (en) * | 2020-08-31 | 2021-05-25 | 辽宁省肿瘤医院 | Disposable stoma stricture dilatation catheter |
| CN112891714A (en) * | 2021-02-07 | 2021-06-04 | 武汉君安友联医疗科技有限责任公司 | Sealer for colon and rectum operation |
| CN213430357U (en) * | 2020-08-21 | 2021-06-15 | 宜宾市第二人民医院 | Anus postoperative is with two gasbag hemostasis by compression devices |
| CN214158165U (en) * | 2020-10-27 | 2021-09-10 | 巨鹿县医院 | Intestinal tract laveur with retention enema function |
| CN113577436A (en) * | 2021-09-28 | 2021-11-02 | 启东市永圣医疗用品厂 | A expand anus antiseptic solution and wash integrative device for rectal surgery |
| CN215024864U (en) * | 2021-03-29 | 2021-12-07 | 中国人民解放军陆军特色医学中心 | Anal canal fixing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050059992A1 (en) * | 2003-09-17 | 2005-03-17 | Leiboff Arnold R. | Air introduction device for anastomotic leak testing |
-
2021
- 2021-12-22 CN CN202111582009.4A patent/CN114028697B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130009445A (en) * | 2011-07-15 | 2013-01-23 | 연세대학교 산학협력단 | Rectal expansion apparatus for immobilization of prostate internal motion |
| CN203802520U (en) * | 2014-04-29 | 2014-09-03 | 陆安清 | Anorectal disease and crissum postoperation compression hemostasis device |
| CN204468978U (en) * | 2015-02-12 | 2015-07-15 | 周业华 | Baby's anal dilator |
| CN204766982U (en) * | 2015-07-02 | 2015-11-18 | 中国人民解放军第四军医大学 | Drainage formula anal canal is fixed in multi -functional pressurization |
| CN209826661U (en) * | 2019-03-11 | 2019-12-24 | 王伟伟 | Improved air leakage-proof anus plug for painless enteroscopy |
| CN212187432U (en) * | 2019-12-09 | 2020-12-22 | 深圳脉动医学技术有限公司 | Balloon dilatation catheter for hepatobiliary surgery |
| CN111658984A (en) * | 2020-07-21 | 2020-09-15 | 重庆市人民医院 | Anorectal administration device |
| CN213430357U (en) * | 2020-08-21 | 2021-06-15 | 宜宾市第二人民医院 | Anus postoperative is with two gasbag hemostasis by compression devices |
| CN213250226U (en) * | 2020-08-31 | 2021-05-25 | 辽宁省肿瘤医院 | Disposable stoma stricture dilatation catheter |
| CN214158165U (en) * | 2020-10-27 | 2021-09-10 | 巨鹿县医院 | Intestinal tract laveur with retention enema function |
| CN112891714A (en) * | 2021-02-07 | 2021-06-04 | 武汉君安友联医疗科技有限责任公司 | Sealer for colon and rectum operation |
| CN215024864U (en) * | 2021-03-29 | 2021-12-07 | 中国人民解放军陆军特色医学中心 | Anal canal fixing device |
| CN113577436A (en) * | 2021-09-28 | 2021-11-02 | 启东市永圣医疗用品厂 | A expand anus antiseptic solution and wash integrative device for rectal surgery |
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|---|---|
| CN114028697A (en) | 2022-02-11 |
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