CN114588497A - Device for treating intestinal anastomosis poststenosis - Google Patents
Device for treating intestinal anastomosis poststenosis Download PDFInfo
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- CN114588497A CN114588497A CN202210199559.6A CN202210199559A CN114588497A CN 114588497 A CN114588497 A CN 114588497A CN 202210199559 A CN202210199559 A CN 202210199559A CN 114588497 A CN114588497 A CN 114588497A
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/361—Image-producing devices, e.g. surgical cameras
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00482—Digestive system
- A61B2018/005—Rectum
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/002—Irrigation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/007—Aspiration
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention discloses a device for treating stricture after intestinal anastomosis, which comprises an introducing mechanism and a cutting mechanism, wherein the introducing mechanism is used for introducing a stricture fluid into a body; the introducing mechanism comprises a catheter, a balloon and an inflating unit; an operation port and a drainage outlet are respectively arranged at two ends of the catheter, and a mounting port is arranged on the wall between the operation port and the drainage outlet; the air bag is sleeved on the outer wall of the catheter, and the air bag is arranged adjacent to the operation opening; the inflation unit is used for inflating the air bag; the cutting mechanism is detachably connected with the mounting port and is used for extending out of the operation port to perform cutting operation.
Description
Technical Field
The invention relates to the field of treating intestinal anastomosis postoperative stenosis, in particular to a device for treating intestinal anastomosis postoperative stenosis.
Background
At present, there are many methods for clinically treating benign stricture of an anastomotic stoma after colorectal cancer surgery, including manual dilatation, balloon dilatation under endoscope, intestinal stent implantation, surgical treatment and the like; although numerous methods for clinically treating benign stricture of anastomotic stoma exist at present, the methods have limitations; for example, the maintenance time of partial stenosis patients is short only by balloon dilatation treatment, the patients need to be repeatedly dilated, and the compliance of the patients is poor. Even if a metal stent is placed, mucosal laceration, bleeding and even perforation can occur in the expansion process, and the recurrence of stenosis after operation of a diseased area is still high; in clinic, no reasonable method for treating anastomotic stenosis exists, the existing method is improved by implanting a balloon or a stent, or cutting is performed by implanting an instrument, the operation instrument needs to be replaced when the two methods are performed, and the problem that the instrument can perform cutting operation while the balloon is implanted does not exist in the prior art.
Disclosure of Invention
The invention aims to provide a device for treating intestinal anastomosis poststenosis, which aims to solve the problem that the cutting operation can not be carried out while a balloon is implanted in the conventional method for treating intestinal anastomosis poststenosis.
In order to solve the technical problem, the invention provides a device for treating stricture after intestinal anastomosis, which comprises an introducing mechanism and a cutting mechanism; the introducing mechanism comprises a catheter, a balloon and an inflating unit; an operation opening and a drainage outlet are respectively arranged at two ends of the conduit, and a mounting opening is arranged on the wall between the operation opening and the drainage outlet; the balloon is sleeved on the outer wall of the catheter and is arranged adjacent to the operation port; the inflation unit is used for inflating the air bag; the cutting mechanism is detachably connected with the mounting port and is used for extending out of the operation port to perform cutting operation.
In one embodiment, the conduit is communicated with an operating manifold, and the operating manifold is arranged between the air bag and the drainage outlet; the operating manifold is provided with the mounting port, and the cutting mechanism is inserted into the mounting port.
In one embodiment, the cutting mechanism comprises an outer sleeve, a conductive sleeve, an electric knife and a knife control sleeve; the outer sleeve is inserted into the mounting port, is sleeved outside the conductive sleeve in a sliding manner and is provided with an external operation area port and an internal operation area port which are communicated with each other; the surface of the conductive sleeve is provided with an insulating coating, and two ends of the conductive sleeve extend out of the outer sleeve; one end of the conductive sleeve penetrating through the external port of the operation area is electrically connected with a conductive interface; one end of the conductive sleeve penetrating through the port in the operation area is provided with a guide groove, and the guide groove extends along the length direction of the conductive sleeve; the electric knife is rotatably arranged in the guide groove and is electrically connected with the conductive sleeve; the knife control sleeve is sleeved in the conductive sleeve in a sliding mode, two ends of the knife control sleeve extend out of the conductive sleeve, a knife opening block is arranged on the outer wall of the end portion of the knife control sleeve and is mounted in the guide groove in a sliding mode, and the knife opening block slides to control the opening of the electrotome.
In one embodiment, the conductive sleeve is provided with a power connection handle, and the power connection handle is provided with the conductive interface; the electric knife is in a long sheet shape, and a knife rotating shaft is arranged at the end part of the electric knife; the shape of the cutting block is triangular.
In one embodiment, the cutting mechanism further comprises a rear cannula and an umbrella frame; the rear sleeve is sleeved in the outer sleeve in a sliding manner, and one end of the rear sleeve inserted into the outer sleeve is provided with a connecting end; the umbrella frame is sleeved in the outer sleeve in a sliding mode, the umbrella frame is connected with the connecting end, and the sliding of the rear sleeve is used for controlling the opening and closing of the umbrella frame.
In one embodiment, the umbrella framework comprises a connecting cover and an elastic sheet; the inner peripheral wall of the connecting cover is sleeved with the outer peripheral wall of the connecting end; one end of the elastic sheet is connected with the end face of the outer side of the connecting cover, and the elastic sheet is elastically abutted to the inner wall of the outer sleeve.
In one embodiment, the cutting mechanism further comprises a front pull rod and a front fixing plate; the front pull rod is sleeved in the cutter control sleeve in a sliding manner, two ends of the front pull rod extend out of two ends of the cutter control sleeve, and the sliding of the front pull rod is used for controlling the opening of the front fixing piece; the end part of the front pull rod extending out of the port in the operation area is provided with a front piece notch, and a front piece rotating shaft is arranged in the direction vertical to the front piece notch; the front fixing pieces are two in number and are rotatably mounted on the front piece rotating shaft.
In one embodiment, the conduit is communicated with an inflation manifold, and the inflation manifold is arranged between the air bag and the drainage outlet; the peripheral wall of the conduit surrounded by the air bag is provided with an inflation through hole; the inflation unit is provided with an inflation inlet, the inflation unit is installed on the inflation manifold, the inflation inlet penetrates through the inflation manifold to enter the conduit, and the inflation inlet is further connected and communicated with the inflation through hole.
In one embodiment, the inflation unit comprises a manual inflation ball and an inflation tube; the manual inflatable ball is provided with an air outlet end, the outer wall of the air outlet end is sleeved on the inner wall of the inflatable manifold, and the air outlet end is connected and communicated with one end of the inflatable tube; the other end of the inflation tube is provided with the inflation inlet, and the inflation inlet is communicated with the inflation through hole in a sealing mode.
In one embodiment, the inflation unit further comprises a barometer, and a pressure measuring end of the barometer is communicated with the interior of the inflation manifold.
The invention has the following beneficial effects:
the air bag can be conveyed to a position needing to be expanded by the introduction mechanism, then manual inflation is carried out, the barometer can be observed in the inflation process, the inflation effect of the air bag is controlled, and the treatment purpose is achieved; if need cut after carrying out the gasbag expansion, can insert cutting device and cut, gasbag expansion and cutting put into alright completion through the ant nest, reducible injury improves the security.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an assembled perspective view of a device provided in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of an introducing mechanism provided in the preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of an introduction mechanism provided in accordance with a preferred embodiment of the present invention;
FIG. 4 is an assembled perspective view of the cutting mechanism provided in the preferred embodiment of the present invention;
FIG. 5 is a cross-sectional view of a preferred embodiment of the present invention providing a cutting mechanism;
fig. 6 is a schematic view of the structure of the cutting mechanism provided by the preferred embodiment of the present invention.
The reference numbers are as follows:
1-a catheter; 11-an inflation manifold; 12-an operating manifold; 13-a flush manifold; 131-a flush switch; 14-inflation through holes; 15-drainage outlet; 16-leading in a micro camera; 17-a drainage bag; 18-an operation port;
2-air bag; 21-a threaded convex ring;
3-an inflation unit; 31-a hand-inflatable ball; 311-gas outlet end; 32-a gas-filled tube; 321-an inflation port; 33-a barometer; 331-a pressure measuring end;
4-a cutting mechanism; 41-cutting the guide miniature camera;
5-outer sleeve; 51-external port of operation area; 52-intra-operative site port;
6-a conductive sleeve; 61-an insulating coating; 62-connecting the electric handle; 621-a conductive interface; 63-a guide groove; 64-electric knife; 641-a knife rotating shaft;
7-controlling the knife sleeve; 71-cutter opening block;
8-rear sleeve; 81-umbrella framework; 811-connecting cover; 812-an elastic sheet;
9-front pull rod; 91-front panel slot; 911-front panel hinge; 92-front fixing sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
One embodiment of a device for treating post-enteroanastomosis strictures, as shown in figures 1, 2 and 3, includes an introduction mechanism and a cutting mechanism 4; the introducing mechanism comprises a catheter 1, a balloon 2 and an inflating unit 3; an operation port 18 and a drainage outlet 15 are respectively arranged at two ends of the catheter 1, and a mounting port is arranged on the wall between the operation port 18 and the drainage outlet 15; the air sac 2 is sleeved on the outer wall of the catheter 1, and the air sac 2 is arranged adjacent to the operation port 18; the inflation unit 3 is used for inflating the airbag 2; the cutting mechanism 4 is detachably connected with the mounting opening, and the cutting mechanism 4 is used for extending out of the operation opening 18 to perform cutting operation.
When the device is applied, the introducing mechanism firstly enters a human body, the air bag 2 is not inflated at the moment, the air bag 2 is inflated by the inflating unit 3 after the catheter 1 brings the air bag 2 to a required position, and the size of the air bag 2 can be controlled by controlling the inflating unit 3 according to the expansion condition required; after the balloon 2 is placed, if a cutting operation is needed, the cutting mechanism 4 can be inserted into the catheter 1, and the cutting mechanism 4 extends out through the operation opening 18 to cut; in order to prevent the intestinal ischemia, the outer peripheral wall of the air bag 2 is provided with a plurality of circles of thread convex rings 21.
In order to perform the cutting function of the device, this embodiment provides the catheter 1 as shown in fig. 1 and 2, the catheter 1 being connected to an operating manifold provided between the balloon 2 and the drainage outlet 15; the operating manifold is provided with a mounting port into which the cutting mechanism 4 is inserted.
In application, a branch pipe is provided in the catheter 1, and when cutting is necessary, the cutting means 4 is inserted into the catheter 1.
In order to realize the cutting function of the device, the cutting mechanism 4 of the embodiment is configured as shown in fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, wherein the cutting mechanism 4 comprises an outer sleeve 5, a conductive sleeve 6, an electric knife 64 and a knife control sleeve 7; the outer sleeve 5 is inserted into the mounting port, the outer sleeve 5 is sleeved outside the conductive sleeve 6 in a sliding manner, and the outer sleeve 5 is provided with an external operation area port 51 and an internal operation area port 52 which are communicated with each other; the surface of the conductive sleeve 6 is provided with an insulating coating 61, and both ends of the conductive sleeve 6 extend out of the outer sleeve 5; one end of the conductive sleeve 6 penetrating through the external port 51 of the operation area is electrically connected with a conductive interface 621; one end of the conductive sleeve 6, which penetrates through the port 52 in the operation area, is provided with a guide groove 63, and the guide groove 63 extends along the length direction of the conductive sleeve 6; the electric knife 64 is rotatably arranged in the guide groove 63, and the electric knife 64 is electrically connected with the conductive sleeve 6; the knife control sleeve 7 is sleeved in the conductive sleeve 6 in a sliding mode, two ends of the knife control sleeve 7 extend out of the conductive sleeve 6, a knife opening block 71 is arranged on the outer wall of the end portion of the knife control sleeve 7, the knife opening block 71 is installed in the guide groove 63 in a sliding mode, and the sliding of the knife opening block 71 is used for controlling the electric knife 64 to open.
When the cutting device is applied, the electric knife 64 is in a closed state, the outer sleeve 5 of the cutting mechanism 4 is inserted into the catheter 1 through the mounting port, and the outer sleeve 5 is fixed after reaching a target position; the conductive sleeve 6 and the control sleeve move forward continuously by sliding in the outer sleeve 5, and after reaching the position to be cut, the knife opening block 71 moves towards the electric knife 64 by controlling the knife control sleeve 7 to slide in the conductive sleeve 6, and the knife opening block 71 pushes against the electric knife 64 to open the electric knife 64; the electric knife 64 is powered on through the conductive interface 621, and the electric knife 64 is heated for cutting; after cutting, the power supply is cut off, the knife control sleeve 7 slides towards the direction far away from the electric knife 64, the knife opening block 71 leaves the electric knife 64, and the conductive sleeve 6 slides towards the outer sleeve 5 and is collected in the outer sleeve 5; then the knife control sleeve 7 is put into the outer sleeve 5, and then the whole device is pulled out; the provision of the insulating coating 61 prevents electric leakage.
Further, the conductive sleeve 6 is provided with an electric connection handle 62, and the electric connection handle 62 is provided with a conductive interface 621; the electric knife 64 is in a long sheet shape, and a knife rotating shaft 641 is arranged at the end part of the electric knife 64; the cutter block 71 is triangular in shape.
When the electric knife is used, the electric connection handle 62 can be used as a handle to be convenient to operate, and a power supply is connected with electricity through the conductive interface 621 to supply power to the electric knife 64; the electric knife 64 is in a long sheet shape and is suitable for cutting, and the electric knife 64 opens and closes by rotating around the knife rotating shaft 641; wherein, when necessary, the electric knife 64 can also be selected as a tungsten needle electrode high-frequency electric knife 64, and the characteristics of the tungsten needle electric knife 64, such as ultrahigh strength, high melting point, non-adhesion tissue and antibiosis, have excellent hemostasis performance and good cutting effect; the knife opening block 71 is triangular, which is beneficial to gradually contact with the electric knife 64 and gradually push the electric knife 64 open.
Further, the cutting mechanism 4 also comprises a rear sleeve 8 and an umbrella framework 81; the rear sleeve 8 is sleeved in the outer sleeve 5 in a sliding manner, and one end of the rear sleeve 8 inserted into the outer sleeve 5 is provided with a connecting end; the umbrella framework 81 is sleeved in the outer sleeve 5 in a sliding mode, the umbrella framework 81 is connected with the connecting end, and the sliding of the rear sleeve 8 is used for controlling the opening and closing of the umbrella framework 81.
When the umbrella is applied, after the cutting mechanism 4 is placed in, the outer sleeve 5 is fixed, firstly, the umbrella framework 81 is driven to slide out of the outer sleeve 5 by controlling the sliding of the rear sleeve 8, and the umbrella framework 81 is opened; then the electric knife 64 is opened for cutting, so that the cutting effect is improved; when the umbrella is used up, the rear sleeve 8 slides towards the direction far away from the external port 51 of the operation area of the outer sleeve 5, the umbrella framework 81 slides into the outer sleeve 5, and the umbrella framework 81 is closed.
Further, the umbrella frame 81 includes a connection cover 811 and an elastic piece 812; the inner peripheral wall of the connecting cover 811 is sleeved with the outer peripheral wall of the connecting end; one end of the elastic piece 812 is connected to the outer end face of the connection cap 811, and the elastic piece 812 elastically abuts against the inner wall of the outer tube 5.
When the connector is applied, the connecting cover 811 is in threaded connection with the connecting end; with reference to the position of the cutting mechanism 4 in fig. 4, the left plane of the left elastic piece 812 and the right end face of the right elastic piece 812 elastically abut against the inner wall of the outer sleeve 5; the elastic sheet 812 is made of soft rubber, so that damage to the elastic sheet can be reduced, the purpose of protecting the intestinal tract is achieved, and the operation safety is improved.
Further, the cutting mechanism 4 further comprises a front pull rod 9 and a front fixing sheet 92; the front pull rod 9 is sleeved in the cutter control sleeve 7 in a sliding manner, two ends of the front pull rod 9 extend out of two ends of the cutter control sleeve 7, and the sliding of the front pull rod 9 is used for controlling the opening of the front fixing piece 92; the end part of the front pull rod 9 extending out of the port 52 in the operation area is provided with a front piece notch 91, and a front piece rotating shaft 911 is arranged along the direction vertical to the front piece notch 91; the number of the front fixing pieces 92 is two, and the front fixing pieces 92 are rotatably mounted on the front rotating shaft 911.
When the device is applied, after the elastic piece 812 is opened, the front pull rod 9 is pushed to a target position, and the cutter control sleeve 7 is pushed forwards only to enable the tail end of the cutter control sleeve 7 to be propped against the front fixing piece 92, so that the front fixing piece 92 is opened to play a fixing role; the electric knife 64 can then be opened for cutting; the front fixing piece 92 is made of soft rubber, so that damage to the soft rubber can be reduced, the purpose of protecting the intestinal tract is achieved, and the operation safety is improved.
In order to realize the balloon 2 introducing function of the introducing mechanism, the catheter 1 of the embodiment is provided as shown in fig. 1, 2 and 3, the catheter 1 is communicated with an inflation manifold 11, and the inflation manifold 11 is arranged between the balloon 2 and a drainage outlet 15; the peripheral wall of the conduit 1 surrounded by the air bag 2 is provided with an inflation through hole 14; the inflation unit 3 is provided with an inflation port 321, the inflation unit 3 is mounted on the inflation manifold 11, the inflation port 321 penetrates through the inflation manifold 11 to enter the interior of the conduit 1, and the inflation port 321 is further connected and communicated with the inflation through hole 14.
In use, the inflation unit 3 is mounted on the inflation manifold 11, and a portion of the inflation unit 3 communicates with the inflation through-hole 14 through the conduit 1 of the inflation manifold 11 to inflate the airbag 2.
Further, the inflation unit 3 includes a manual inflation ball 31 and an inflation tube 32; the manual inflatable ball 31 is provided with an air outlet end 311, the outer wall of the air outlet end 311 is sleeved on the inner wall of the inflatable manifold 11, and the air outlet end 311 is connected and communicated with one end of the inflatable tube 32; the other end of the inflation tube 32 is provided with an inflation inlet 321, and the inflation inlet 321 is in sealed communication with the inflation through hole 14.
In application, after the airbag 2 reaches a position to be expanded, the manual inflation ball 31 is pressed to inflate the inflation tube 32 with gas, and the inflation tube 32 inflates the gas into the airbag 2 through the inflation through hole 14 which is in sealed communication with the inflation tube 32, so that the airbag 2 is inflated.
Further, the inflation unit 3 further includes a barometer 33, and a pressure measuring end 331 of the barometer 33 is communicated with the interior of the inflation manifold 11.
When the air bag 2 is inflated in application, the air bag is inflated through the manual inflation ball 31, the air pressure meter 33 is needed to assist in measuring the air pressure, and the amount of the inflated air is convenient to control.
In order to prevent reflux when the air bag 2 is placed or cutting is carried out or flushing is needed when operation is carried out, an irrigation manifold 12 and a drainage bag 17 are arranged, in the embodiment, the irrigation manifold 12 and the drainage bag 17 are arranged as shown in figures 1, 2 and 3, a catheter 1 is communicated with the irrigation manifold 12, the nozzle of the irrigation manifold 12 is in threaded connection with an irrigation device to be used, and an irrigation switch 13 is arranged between the nozzle of the irrigation manifold 12 and the catheter 1; the drainage bag 17 is communicated with the drainage outlet 15.
When in application, the flushing device can be connected with the flushing manifold 12 for flushing when the flushing is needed; after the flushing or when drainage is needed, the drainage bag 17 is connected through the drainage outlet 15 of the catheter 1, and the drained liquid is collected.
In order to realize the visual operation function of the device, a micro camera is also arranged, and the embodiment is arranged as shown in fig. 3 and 5, wherein the micro camera is a leading-in micro camera 16 and a cutting guide micro camera 41 respectively; the lead-in micro camera 16 is arranged on the peripheral wall of the operation opening 18, and the lead-in micro camera 16 is arranged adjacent to the air bag 2; the cutting guide micro camera 41 is arranged on the outer wall of the cutter control sleeve 7, the cutting guide micro camera 41 is arranged adjacent to the cutter opening block 71, and the cutting guide micro camera 41 is slidably mounted in the guide groove 63.
When the device is used, the micro camera adopts a wireless transmission camera with a battery, and circuits can be arranged in the conduit 1 and the cutter control sleeve 7 to support the micro camera when necessary; the miniature camera 16 is introduced to provide video navigation for the airbag 2 when being placed; the cutting guide micro camera 41 is arranged on the knife control tube and can provide images when the electric knife 64 is opened and cut; through setting up miniature camera, reducible injury improves the security of operation.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A device for treating strictures following intestinal anastomosis,
comprises an introducing mechanism and a cutting mechanism;
the introducing mechanism comprises a catheter, a balloon and an inflating unit;
an operation opening and a drainage outlet are respectively arranged at two ends of the conduit, and a mounting opening is arranged on the wall between the operation opening and the drainage outlet;
the balloon is sleeved on the outer wall of the catheter and is arranged adjacent to the operation port;
the inflation unit is used for inflating the air bag;
the cutting mechanism is detachably connected with the mounting port and is used for extending out of the operation port to perform cutting operation.
2. The device for treating post-enteroanastomosis stenosis according to claim 1,
the catheter is communicated with an operation manifold, and the operation manifold is arranged between the air bag and the drainage outlet; the operating manifold is provided with the mounting port, and the cutting mechanism is inserted into the mounting port.
3. The device for treating strictures after intestinal anastomosis according to any one of claims 1 or 2,
the cutting mechanism comprises an outer sleeve, a conductive sleeve, an electric knife and a knife control sleeve;
the outer sleeve is inserted into the mounting port, is sleeved outside the conductive sleeve in a sliding manner and is provided with an operation area outer port and an operation area inner port which are communicated with each other;
the surface of the conductive sleeve is provided with an insulating coating, and two ends of the conductive sleeve extend out of the outer sleeve; one end of the conductive sleeve penetrating through the external port of the operation area is electrically connected with a conductive interface; one end of the conductive sleeve penetrating through the port in the operation area is provided with a guide groove, and the guide groove extends along the length direction of the conductive sleeve;
the electric knife is rotatably arranged in the guide groove and is electrically connected with the conductive sleeve;
the knife control sleeve is sleeved in the conductive sleeve in a sliding mode, two ends of the knife control sleeve extend out of the conductive sleeve, a knife opening block is arranged on the outer wall of the end portion of the knife control sleeve and is mounted in the guide groove in a sliding mode, and the knife opening block slides to control the opening of the electrotome.
4. The device for treating post-enteroanastomosis stenosis according to claim 3,
the conductive sleeve is provided with a power connection handle, and the power connection handle is provided with the conductive interface;
the electric knife is in a long sheet shape, and a knife rotating shaft is arranged at the end part of the electric knife;
the shape of the cutting block is triangular.
5. The device for treating post-enteroanastomosis stenosis according to claim 3, wherein said cutting mechanism further comprises a rear cannula and an umbrella frame;
the rear sleeve is sleeved in the outer sleeve in a sliding manner, and one end of the rear sleeve inserted into the outer sleeve is provided with a connecting end;
the umbrella frame is sleeved in the outer sleeve in a sliding mode, the umbrella frame is connected with the connecting end, and the sliding of the rear sleeve is used for controlling the opening and closing of the umbrella frame.
6. The device for treating post-enteroanastomosis stenosis according to claim 5,
the umbrella framework comprises a connecting cover and an elastic sheet;
the inner peripheral wall of the connecting cover is sleeved with the outer peripheral wall of the connecting end;
one end of the elastic sheet is connected with the end face of the outer side of the connecting cover, and the elastic sheet is elastically abutted to the inner wall of the outer sleeve.
7. The device for treating post-enteroanastomosis stenosis according to claim 3, wherein said cutting mechanism further comprises a front pull rod and a front securing tab;
the front pull rod is sleeved in the cutter control sleeve in a sliding manner, two ends of the front pull rod extend out of two ends of the cutter control sleeve, and the sliding of the front pull rod is used for controlling the opening of the front fixing piece;
the end part of the front pull rod extending out of the port in the operation area is provided with a front piece notch, and a front piece rotating shaft is arranged in the direction vertical to the front piece notch;
the front fixing pieces are two in number and are rotatably mounted on the front rotating shaft.
8. The device for treating a stricture after intestinal anastomosis according to claim 1,
the catheter is communicated with an inflation manifold which is arranged between the air bag and the drainage outlet;
the peripheral wall of the conduit surrounded by the air bag is provided with an inflation through hole;
the inflation unit is provided with an inflation inlet, the inflation unit is installed on the inflation manifold, the inflation inlet penetrates through the inflation manifold to enter the conduit, and the inflation inlet is further connected and communicated with the inflation through hole.
9. The device for treating post-enteroanastomosis stenosis according to claim 8,
the inflation unit comprises a manual inflation ball and an inflation tube;
the manual inflatable ball is provided with an air outlet end, the outer wall of the air outlet end is sleeved on the inner wall of the inflatable manifold, and the air outlet end is connected and communicated with one end of the inflatable tube;
the other end of the inflation tube is provided with the inflation inlet, and the inflation inlet is communicated with the inflation through hole in a sealing mode.
10. The device for treating post-enteroanastomosis stenosis according to claim 9, wherein said inflation unit further comprises a barometer, a pressure sensing end of said barometer being in communication with an interior of said inflation manifold.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210199559.6A CN114588497B (en) | 2022-03-01 | 2022-03-01 | Device for treating intestinal anastomosis postoperative stenosis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210199559.6A CN114588497B (en) | 2022-03-01 | 2022-03-01 | Device for treating intestinal anastomosis postoperative stenosis |
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| CN114588497B CN114588497B (en) | 2023-06-09 |
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| CN114588497B (en) | 2023-06-09 |
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