CN114053562B - Postoperative anastomotic stoma dilator for rectal surgery - Google Patents
Postoperative anastomotic stoma dilator for rectal surgery Download PDFInfo
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- CN114053562B CN114053562B CN202111582134.5A CN202111582134A CN114053562B CN 114053562 B CN114053562 B CN 114053562B CN 202111582134 A CN202111582134 A CN 202111582134A CN 114053562 B CN114053562 B CN 114053562B
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- 230000002980 postoperative effect Effects 0.000 title claims abstract description 28
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 105
- 210000000664 rectum Anatomy 0.000 claims abstract description 57
- 238000002347 injection Methods 0.000 claims abstract description 43
- 239000007924 injection Substances 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 description 7
- 208000015634 Rectal Neoplasms Diseases 0.000 description 4
- 206010038038 rectal cancer Diseases 0.000 description 4
- 201000001275 rectum cancer Diseases 0.000 description 4
- 230000000007 visual effect Effects 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
- 238000006748 scratching Methods 0.000 description 3
- 230000002393 scratching effect Effects 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003872 anastomosis Effects 0.000 description 2
- 210000000436 anus Anatomy 0.000 description 2
- 230000010339 dilation Effects 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
- 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
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000005516 engineering process Methods 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
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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- 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)
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- Radiology & Medical Imaging (AREA)
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- Molecular Biology (AREA)
- Anesthesiology (AREA)
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Abstract
The invention relates to the technical field of medical instruments, in particular to a postoperative anastomotic stoma dilator for rectal surgery, 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, the sleeve body is connected with the push injection mechanism through a connecting mechanism, the outer part of the sleeve body is provided with a plurality of strip-shaped air bags, the rear end of the tip is provided with an annular air bag, the outer sides of the strip-shaped air bags and the outer sides of the annular air bags are respectively provided with a pressure sensor, and the pressure sensors are electrically connected with a display; through the cooperation of the protruding strips and the strip-shaped air bags, a section of rectum of a patient can be supported, and the damage to the rectum caused by unsmooth surface of the strip-shaped air bags 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 strip-shaped air bag and the annular air bag can be restored to the original positions, and the rectum of a patient is prevented from being scratched in the process of moving out.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a 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 present invention aims to overcome the drawbacks described in the background art and to provide a postoperative 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 postoperative anastomotic stoma expander for rectum operation, 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 passes through coupling mechanism with the push-injection mechanism and connects, the outside equidistant a plurality of protruding strips that are provided with of cover body, all be provided with the bar gasbag between two adjacent protruding strips, the tip of the cover body is provided with the connecting piece, be provided with air inlet mechanism in the connecting piece, air inlet mechanism is connected with inflation mechanism, air inlet mechanism is connected with the bar gasbag, the rear end of end is provided with the standing groove, is provided with annular gasbag in the standing groove, annular gasbag is connected with inflation mechanism, the outside of bar gasbag and annular gasbag all are provided with pressure sensor, be provided with the controlling means with pressure sensor electric connection on the inflation mechanism, controlling means includes the display, bar gasbag and annular gasbag inboard all are provided with reset mechanism.
Further, scale marks are arranged on the outer side of the pushing mechanism, the scale marks are convenient for determining the advancing distance of the pushing mechanism, and the operation accuracy of the pushing mechanism is improved.
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 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.
Further, the limiting component comprises a groove formed in the surface of the injection mechanism, and a plurality of clamping teeth are arranged in the groove.
Further, 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, the lower end of the sliding block is connected with a clamping block, and the clamping block is clamped between two adjacent clamping teeth; 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 air inlet mechanism comprises a main air inlet pipe, a plurality of branch air inlet pipes are connected to the main air inlet pipe, the branch air inlet pipes are respectively connected with the corresponding strip-shaped air bags, the main air inlet pipe is annular and is arranged on the inner side of the connecting piece, and the plurality of branch air inlet pipes inflate the strip-shaped air bags, so that the strip-shaped air bags expand to support the rectum.
Further, the annular air bag is connected with a gas circulation hose, the inflating mechanism comprises an inflator pump and a three-way valve, the inflator pump is connected with an inflating pipe, the three-way valve is respectively connected with the gas circulation hose, the main air inlet pipe and the inflating pipe, and each valve of the three-way valve is provided with an air inlet and outlet switch.
Further, the pressure sensor comprises a first pressure sensor arranged on the inner side of the strip-shaped air bag and a second pressure sensor arranged on the inner side of the annular air bag, and the display is arranged on the inflation tube.
Further, the front end of the end head is provided with an LED lamp and a camera, 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 control device; the control device is connected with the visual equipment in a wireless way, and the visual equipment is a computer or a display screen.
Further, the pushing injection mechanism, the strip-shaped air bag and the annular air bag are provided with adsorption mechanisms which are matched for use; the adsorption mechanism comprises a clamping groove arranged on the push injection mechanism, an electromagnet is arranged in the clamping groove, a first magnet is arranged on the inner side of the strip-shaped air bag, a second magnet is arranged on the inner side of the annular air bag, the first magnet and the second magnet are identical in electrical property, when the use is completed, the electromagnet is electrified, and the electrical property of the electromagnet is opposite to that of the first magnet and the second magnet, so that the strip-shaped air bag and the annular air bag shrink inwards under the adsorption of the electromagnet, return to the initial position, and avoid the conditions of scratching the rectum of a patient and the like.
The postoperative anastomotic stoma dilator for the rectal surgery has the beneficial effects that:
1. According to the postoperative anastomotic stoma dilator for the rectal surgery, the plurality of protruding strips are arranged outside the sleeve body, the strip-shaped air bags are arranged between the two adjacent protruding strips, before the operation, the strip-shaped air bags are lower than the protruding strips, so that the strip-shaped air bags can conveniently enter the rectum under the action of the protruding strips, and when the postoperative anastomotic stoma dilator is used, the strip-shaped air bags expand to support the rectum, the sleeve body is prevented from entering the rectum, damage to the rectum due to unsmooth and uneven surfaces of the strip-shaped air bags, the protruding strips are smooth in surface, and the sleeve body can conveniently and rapidly enter the rectum.
2. The postoperative anastomotic stoma dilator for the rectal surgery 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 for the rectal surgery, 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 bulge 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 postoperative anastomotic stoma dilator for the rectal surgery, the reset mechanism is arranged on the surface of the pushing and injecting mechanism and the inner sides of the strip-shaped air bags and the annular air bags, so that after the postoperative anastomotic stoma dilator is used, the strip-shaped air bags and the annular air bags can be restored to the original positions, and the rectum of a patient is prevented from being scratched in the moving-out process.
5. According to the postoperative anastomotic stoma dilator for the rectal surgery, the pressure sensors are arranged on the outer sides of the strip-shaped air bags and the annular air bags, and the display can display the pressure values of the pressure sensors, so that doctors can know the pressure values of the strip-shaped air bags and the annular air bags in time, and the expansion degree of the strip-shaped air bags and the annular air bags can be controlled conveniently.
Drawings
FIG. 1 is a schematic structural view of a post-operative stoma dilator for rectal surgery of the present invention;
FIG. 2 is a schematic view of the structure of the injection mechanism and sleeve in the postoperative stoma dilator for rectal surgery of the present invention;
FIG. 3 is a schematic view of the configuration of the tip of the postoperative stoma dilator for rectal surgery of the present invention;
FIG. 4 is a schematic view of the unused configuration of the strip balloon in the postoperative stoma dilator for rectal surgery of the present invention;
FIG. 5 is a schematic view of the configuration of the use of a strip balloon in a postoperative stoma dilator for rectal surgery according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 1A;
In the figure: the device comprises a 1-pushing mechanism, 11-scale marks, 12-grooves, 13-clamping teeth, a 2-sleeve body, a 21-strip-shaped air bag, 22-protruding strips, 23-connecting pieces, 24-main air inlet pipes, 25-branch air inlet pipes, 26-sliding grooves, 27-compression springs, 28-sliding blocks, 29-clamping blocks, 3-ends, 31-placing grooves, 32-annular air bags, 33-gas circulation hoses, 34-protrusions, 35-LED lamps, 36-cameras, 41-first pressure sensors, 42-second pressure sensors, 43-displays, 44-inflating pumps, 45-three-way valves, 46-inflating pipes, 51-clamping grooves, 52-electromagnets, 53-second magnets and 54-first magnets.
Detailed Description
The postoperative stoma dilator for rectal surgery according to the present invention will be described in more detail with reference to the accompanying drawings by means 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, the postoperative anastomotic stoma dilator for rectal surgery of the present embodiment has the advantages that the postoperative anastomotic stoma dilator for rectal surgery is provided with the convex strip and the strip-shaped air bag in cooperation, so that a section of rectum of a patient can be supported, and damage to the rectum caused by unsmooth surface of the strip-shaped air bag can be 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 strip-shaped air bag 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 bar gasbag and cyclic annular gasbag, the display can show pressure sensor's pressure value, makes the doctor in time know pressure value of bar gasbag and cyclic annular gasbag, advantages such as the degree of inflation of be convenient for control bar gasbag 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 front end fixedly connected with end 3 of pushing equipment 1, the front end of end 3 is provided with LED lamp 35 and camera 36, and LED lamp 35 both can throw light on at the operation in-process, can carry out the light filling to camera 36 again, makes camera 36 shoot clearly. The LED lamp 35 is connected with the control device through a circuit, and the surface of the control device is provided with a switch key of the LED lamp, so that the LED lamp 35 is turned on or off. The camera 36 is connected with a fiber tube, the fiber tube is connected with an information collector, and the information collector is connected with the control device through a circuit; the control device is in wireless connection with the visual equipment, and the visual equipment is a computer or a display screen; thus, the information collected by the information collector is transmitted to a computer or a display screen, so that doctors can know the specific conditions of patients in time. The rear end of the end head 3 is provided with a placing groove 31, an annular air bag 32 is arranged in the placing groove 31, and a bulge 34 is arranged on the surface of the annular air bag 32, so that the friction force between the annular air bag 32 and the inner side of the rectum of a patient is increased, the rectum is attached to the surface of the annular air bag 32, and the rectum is not easy to fall off. The annular air bag 32 is connected with a gas circulation hose 33, a fixed groove is arranged on the surface of the injection mechanism 1, the gas circulation hose 33 is arranged in the fixed groove, and the relative movement of the injection mechanism 1 and the sleeve body 2 is not influenced. The gas circulation hose 33 is connected to an inflation mechanism.
Referring to fig. 1 and 6, a sleeve body 2 is arranged on the outer side of the injection mechanism 1, the sleeve body 2 is connected with the injection mechanism 1 through a connecting mechanism, and the connecting mechanism comprises a limiting component arranged on the injection mechanism 1 and a clamping piece arranged below a connecting piece 23; 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. The limiting component comprises a groove 12 arranged on the surface of the pushing 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 chute 26 arranged below the connecting piece 23, a compression spring 27 is arranged at the top of the chute 26, a sliding block 28 is connected below the compression spring 27, a clamping block 29 is connected at the lower end of the sliding block 28, the clamping block 29 is clamped between two adjacent clamping teeth 13, and when the injection mechanism 1 and the sleeve body 2 are required to be connected into a whole in use, the clamping block 29 is clamped between the 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 separated for use, the sliding block 28 is pushed upwards to enable the clamping block 29 to be positioned above the clamping teeth 13, so that the push-injection mechanism 1 is pushed to move, and the push-injection mechanism 1 and the sleeve body 2 are separated for use.
Referring to fig. 1,4 and 5, a plurality of protruding strips 22 are arranged outside the sleeve body 2, the protruding strips 22 are circumferentially and uniformly distributed outside 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. A strip-shaped air bag 21 is arranged between two adjacent raised strips 22. The end of the sleeve body 2 is provided with a connecting piece 23, and the diameter of the connecting piece 23 is the same as that of the raised strip 22. The connecting piece 23 is internally provided with an air inlet mechanism, the air inlet mechanism comprises a main air inlet pipe 24, the main air inlet pipe 24 is annular and is arranged on the inner side of the connecting piece 23, a plurality of branch air inlet pipes 25 are connected to the main air inlet pipe 24, the branch air inlet pipes 25 are respectively connected with the corresponding strip-shaped air bags 21, the plurality of branch air inlet pipes 25 inflate the strip-shaped air bags 21, so that the strip-shaped air bags 21 are inflated, and the diameter of the inflated strip-shaped air bags 21 is larger than that of the raised strips 22, so that the rectum is supported.
Referring to fig. 1 and 6, the air inlet mechanism is connected with an air charging mechanism, the air charging mechanism comprises an air charging pump 44 and a three-way valve 45, and the air charging pump 44 is a manual air charging pump or an electric air charging pump, and can be selected according to actual conditions. The inflator pump 44 is connected with an inflation tube 46, the three-way valve 45 is respectively connected with the air circulation hose 33, the main air inlet tube 24 and the inflation tube 46, and each valve of the three-way valve 45 is provided with an air inlet and outlet switch, so that the strip-shaped air bag 21 and the annular air bag 32 can be inflated and deflated respectively under the action of the inflator pump 44. The outside of the strip-shaped air bag 21 is provided with a first pressure sensor 41, the outside of the annular air bag 32 is provided with a second pressure sensor 42, the air inflation tube 46 is provided with a control device, the surface of the control device is provided with a display 43, the display 43 can display the pressure values of the first pressure sensor 41 and the second pressure sensor 42, a doctor can know the pressure values of the strip-shaped air bag 21 and the annular air bag 32 in time, and the control device is arranged on the air inflation tube 46.
Referring to fig. 2,4 and 5, the injection mechanism 1, the strip-shaped air bag 21 and the annular air bag 32 are provided with matched adsorption mechanisms; the adsorption mechanism comprises a clamping groove 51 arranged on the push injection mechanism 1, an electromagnet 52 is arranged in the clamping groove 51, a first magnet 54 is arranged on the inner side of the strip-shaped air bag 21, a second magnet 53 is arranged on the inner side of the annular air bag 32, the polarities of the first magnet 54 and the second magnet 53 are the same, when the use is completed, the electromagnet 52 is electrified, and the polarities of the first magnet 54 and the second magnet 53 are opposite, so that the strip-shaped air bag 21 and the annular air bag 32 shrink inwards under the adsorption of the electromagnet 52 and return to the initial position, and the conditions of scratching and the like caused to the rectum of a patient when the push injection mechanism 1 is separated from the rectum are avoided.
The application process of the invention is as follows: when the pressure sensor is used, the sleeve body is fixedly connected with the push injection mechanism through the connecting mechanism, so that the sleeve body enters a section of rectum, then the inflator pump is started to inflate the strip-shaped air bag, the strip-shaped air bag is inflated, the section of rectum is supported, and when the pressure detected by the first pressure sensor reaches the standard, the inflation is stopped. Then, the connecting mechanism is opened to separate the pushing mechanism from the sleeve body, the pushing mechanism is continuously pushed to enable the end head to continuously move forwards and enter the other rectum, and then the inflator pump is started to inflate the annular air bag, so that the annular air bag is inflated 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 electromagnet is electrified and has opposite polarity to the first magnet and the second magnet, so that the strip-shaped air bag and the annular air bag shrink inwards under the adsorption of the electromagnet to return to the initial positions, and the conditions of scratching the rectum of a patient and the like are avoided when the pushing injection mechanism is pulled out from 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 (6)
1. A postoperative anastomotic stoma expander for rectal surgery contains and pushes away notes mechanism, push away the front end of notes mechanism and be connected with the end, its characterized in that: the outer side of the pushing injection mechanism is provided with a sleeve body, the sleeve body is connected with the pushing injection mechanism through a connecting mechanism, a plurality of protruding strips are arranged at equal intervals outside the sleeve body, a strip-shaped air bag is arranged between two adjacent protruding strips, the end part of the sleeve body is provided with a connecting piece, an air inlet mechanism is arranged in the connecting piece, the air inlet mechanism is connected with an air charging mechanism, the air inlet mechanism is connected with the strip-shaped air bag, the rear end of the end head is provided with a placing groove, an annular air bag is arranged in the placing groove, the annular air bag is connected with an inflation mechanism, the outer side of the strip-shaped air bag and the outer side of the annular air bag are both provided with pressure sensors, a control device electrically connected with the pressure sensors is arranged on the inflation mechanism, the control device comprises a display, and reset mechanisms are arranged on the inner sides of the strip-shaped air bag and the annular air bag;
The reset mechanism is respectively arranged on the surface of the push injection mechanism and the inner sides of the strip-shaped air bag and the annular air bag, so that the strip-shaped air bag and the annular air bag can be restored to the original positions after the use is completed, and the rectum of a patient is prevented from being scratched in the process of moving out;
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 postoperative stoma dilator for rectal surgery of claim 1, wherein: and scale marks are arranged on the outer side of the pushing injection mechanism.
3. The postoperative stoma dilator for rectal surgery of claim 1, wherein: the air inlet mechanism comprises a main air inlet pipe, a plurality of branch air inlet pipes are connected to the main air inlet pipe, the branch air inlet pipes are respectively connected with the corresponding strip-shaped air bags, and the main air inlet pipe is annular and is arranged on the inner side of the connecting piece.
4. A post-operative stoma dilator for use in rectal surgery as claimed in claim 3, wherein: the annular air bag is connected with a gas circulation hose, the inflation mechanism comprises an inflation pump and a three-way valve, the inflation pump is connected with an inflation tube, the three-way valve is respectively connected with the gas circulation hose, the main air inlet tube and the inflation tube, and each valve of the three-way valve is provided with an air inlet and outlet switch.
5. The postoperative stoma dilator for rectal surgery of claim 4, wherein: the pressure sensor comprises a first pressure sensor arranged on the inner side of the strip-shaped air bag and a second pressure sensor arranged on the inner side of the annular air bag, and the display is arranged on the inflation tube.
6. The postoperative stoma dilator for rectal surgery 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 controlling means electric connection.
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| CN202111582134.5A CN114053562B (en) | 2021-12-22 | 2021-12-22 | Postoperative anastomotic stoma dilator for rectal surgery |
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| CN202111582134.5A CN114053562B (en) | 2021-12-22 | 2021-12-22 | Postoperative anastomotic stoma dilator for rectal surgery |
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| CN114053562A (en) | 2022-02-18 |
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