CN114588497B - Device for treating intestinal anastomosis postoperative stenosis - Google Patents
Device for treating intestinal anastomosis postoperative stenosis Download PDFInfo
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- CN114588497B CN114588497B CN202210199559.6A CN202210199559A CN114588497B CN 114588497 B CN114588497 B CN 114588497B CN 202210199559 A CN202210199559 A CN 202210199559A CN 114588497 B CN114588497 B CN 114588497B
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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
- 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
-
- 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
-
- 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
-
- 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
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
Abstract
The invention discloses a device for treating enterostomy poststricture, which comprises an introducing mechanism and a cutting mechanism; the introducing mechanism comprises a catheter, a balloon and an inflating unit; the two ends of the catheter are respectively provided with an operation port and a drainage outlet, 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 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.
Description
Technical Field
The invention relates to the field of treating enteroanastomosis post-operation stenosis, in particular to a device for treating enteroanastomosis post-operation stenosis.
Background
At present, a plurality of methods for clinically treating benign stricture of a colorectal cancer postoperative anastomotic stoma comprise the steps of manual dilation, endoscopic balloon dilation, intestinal canal stent implantation, operation treatment and the like; the current methods for clinically treating benign strictures of anastomotic stoma are numerous but have limitations; for example, partial stenosis patients only need to be expanded by the balloon for a short time, the patients need to be expanded repeatedly, and the compliance of the patients is poor. Even if a metal stent is placed, the mucosa is possibly torn, bleeding and even perforation can occur in the expansion process, and the recurrence of stenosis after the operation of a disease area is still high; in clinic, no reasonable method is provided for treating the anastomotic stoma stenosis, the current method is improved by arranging an air bag or a bracket, or cutting is carried out by arranging an instrument, the operation instrument is required to be replaced when the two methods are carried out, and the problem that the instrument can carry out cutting operation while arranging the air bag in the prior art does not exist.
Disclosure of Invention
The invention aims to provide a device for treating enteroanastomosis post-stenosis, which solves the problem that the conventional method for treating enteroanastomosis post-stenosis cannot be used for cutting operation while an air bag is arranged.
In order to solve the technical problems, the invention provides a device for treating enterostomy postoperative stenosis, which comprises an introducing mechanism and a cutting mechanism; 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 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 catheter is connected with an operation manifold, and the operation manifold is arranged between the balloon and the drainage outlet; the operation manifold is provided with the mounting opening, and the cutting mechanism is inserted into the mounting opening.
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, the outer sleeve is sleeved outside the conductive sleeve in a sliding manner, and the outer sleeve is provided with an operation area external port and an operation area internal port which are communicated with each other; an insulating coating is arranged on the surface of the conductive sleeve, and two ends of the conductive sleeve extend out of the outer sleeve; one end of the conductive sleeve passing 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 is arranged in an extending way 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 electric knife is characterized in that the knife control sleeve is sleeved in the conductive sleeve in a sliding manner, two ends of the knife control sleeve extend out of the conductive sleeve, an opening block is arranged on the outer wall of the end part of the knife control sleeve, the opening block is slidably mounted in the guide groove, and the sliding of the opening block is used for controlling the opening of the electric knife.
In one embodiment, the conductive sleeve is provided with a power-on handle, and the power-on 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 opening block is triangular in shape.
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 a connecting end is arranged at one end of the rear sleeve inserted into the outer sleeve; the umbrella framework is sleeved in the outer sleeve in a sliding manner, the umbrella framework is connected with the connecting end, and the sliding of the rear sleeve is used for controlling the opening and closing of the umbrella framework.
In one embodiment, the umbrella frame 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 piece is connected with the outer side end face of the connecting cover, and the elastic piece is elastically abutted with the inner wall of the outer sleeve.
In one embodiment, the cutting mechanism further comprises a front tie rod and a front anchor sheet; the front pull rod is sleeved in the knife control sleeve in a sliding manner, both ends of the front pull rod extend out of both ends of the knife 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, which extends out of the port in the operation area, is provided with a front piece notch, and a front piece rotating shaft is arranged along the direction perpendicular to the front piece notch; the number of the front fixing pieces is two, and the front fixing pieces are rotatably arranged on the front piece rotating shaft.
In one embodiment, the catheter is connected with an inflation manifold, and the inflation manifold is arranged between the air sac and the drainage outlet; the peripheral wall of the catheter surrounded by the air bag is provided with an inflation through hole; the inflation unit is provided with an inflation port, the inflation unit is installed on the inflation manifold, the inflation port penetrates through the inflation manifold to enter the inside of the catheter, and the inflation port is further connected and communicated with the inflation through hole.
In one embodiment, the inflation unit comprises a manual inflation balloon and an inflation tube; the manual inflation ball is provided with an air outlet end, the outer wall of the air outlet end is sleeved on the inner wall of the inflation manifold, and the air outlet end is connected and communicated with one end of the inflation tube; the other end of the air charging pipe is provided with the air charging port which is communicated with the air charging through hole in a sealing way.
In one embodiment, the inflation unit further comprises a barometer, a pressure measurement end of the barometer being in communication with the interior of the inflation manifold.
The beneficial effects of the invention are as follows:
the air bag can be sent to a position to be expanded by arranging the introducing mechanism, then the air bag is inflated manually, a barometer can be observed in the inflation process, and the inflation effect of the air bag is controlled, so that the treatment purpose is achieved; if the cutting is needed after the expansion of the air bag, a cutting device can be inserted for cutting, the expansion and the cutting of the air bag can be completed through the placement of the formic acid nest, the injury can be reduced, and the safety is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed 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 that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an assembled perspective view of a device provided by a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the introducing mechanism according to the preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of an introducing mechanism provided by a preferred embodiment of the present invention;
FIG. 4 is an assembled perspective view of a cutting mechanism provided by a preferred embodiment of the present invention;
FIG. 5 is a cross-sectional view of a cutting mechanism provided by a preferred embodiment of the present invention;
fig. 6 is a schematic view of a cutting mechanism according to a preferred embodiment of the present invention.
The reference numerals are as follows:
1-a catheter; 11-an inflation manifold; 12-operating a manifold; 13-flushing the manifold; 131-flushing the switch; 14-an inflation through hole; 15-a drainage outlet; 16-guiding a micro camera; 17-drainage bag; 18-an operation port;
2-an air bag; 21-a threaded collar;
3-an inflation unit; 31-manually inflating the balloon; 311-an air outlet end; 32-an inflation tube; 321-an inflation inlet; 33-barometer; 331-measuring the pressure end;
4-a cutting mechanism; 41-cutting guide miniature cameras;
5-an outer sleeve; 51-an external port of the surgical field; 52-intra-operative field port;
6-a conductive sleeve; 61-insulating coating; 62-connecting the electric handle; 621-conductive interfaces; 63-a guide groove; 64-electric knife; 641-knife rotation axis;
7-a knife control sleeve; 71-an opening block;
8-a rear sleeve; 81-umbrella frame; 811-a connection cover; 812-elastic sheet;
9-a front pull rod; 91-front panel slot; 911-front piece rotating shaft; 92-front fixing piece.
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-enterostomy stenosis is shown in figures 1, 2 and 3, comprising an introduction mechanism and a cutting mechanism 4; the introducing mechanism comprises a catheter 1, a balloon 2 and an inflating unit 3; the two ends of the catheter 1 are respectively provided with an operation port 18 and a drainage outlet 15, and a mounting port is arranged on the wall between the operation port 18 and the drainage outlet 15; the air bag 2 is sleeved on the outer wall of the catheter 1, and the air bag 2 is arranged adjacent to the operation port 18; the inflation unit 3 is used for inflating the air bag 2; the cutting mechanism 4 is detachably connected with the mounting port, and the cutting mechanism 4 is used for extending out of the operation port 18 to perform cutting operation.
When the inflatable device is applied, the introducing mechanism firstly enters a human body, at the moment, the air bag 2 is not inflated, the air bag 2 is brought to a required position by the catheter 1, the air bag 2 is inflated by the inflating unit 3, and the size of the air bag 2 can be controlled by controlling the inflating unit 3 according to the condition of expanding as required; after the balloon 2 is placed, if cutting operation is needed, the cutting mechanism 4 can be inserted into the catheter 1, and the cutting mechanism 4 extends out from the operation port 18 to cut; in order to prevent the intestinal tract from ischemia, the peripheral wall of the air bag 2 is provided with a plurality of rings of screw thread convex rings 21.
In order to achieve the cutting function of the device, this embodiment provides that the catheter 1 is provided as shown in fig. 1 and 2, the catheter 1 being connected with an operating manifold, which is provided between the balloon 2 and the drainage outlet 15; the operating manifold is provided with a mounting opening into which the cutting mechanism 4 is inserted.
In the application, a branch pipe is provided in the catheter 1, and when cutting is required, the cutting mechanism 4 is inserted into the catheter 1.
In order to achieve the cutting function of the device, this embodiment provides that the cutting mechanism 4 is arranged as shown in fig. 1, 2, 4, 5 and 6, the cutting mechanism 4 comprising an outer sleeve 5, an electrically conductive sleeve 6, an electric knife 64 and a knife control sleeve 7; the outer sleeve 5 is inserted into the mounting opening, the outer sleeve 5 is sleeved outside the conductive sleeve 6 in a sliding manner, and the outer sleeve 5 is provided with an operation area outer port 51 and an operation area inner 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 passing through the outer port 51 of the operation area is electrically connected with a conductive interface 621; one end of the conductive sleeve 6 passing through the port 52 in the operation area is provided with a guide groove 63, and the guide groove 63 is arranged in an extending way 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 manner, both ends of the knife control sleeve 7 extend out of the conductive sleeve 6, an opening block 71 is arranged on the outer wall of the end part of the knife control sleeve 7, the opening block 71 is slidably mounted in the guide groove 63, and the sliding of the opening block 71 is used for controlling the opening of the electric knife 64.
When the electric knife 64 is in a closed state during application, 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 the target position; the conductive sleeve 6 and the control sleeve continue to advance through sliding in the outer sleeve 5, and after reaching the position to be cut, the control sleeve 7 slides in the conductive sleeve 6 to enable the cutter opening block 71 to move towards the electric cutter 64, and the cutter opening block 71 is propped against the electric cutter 64 to enable the electric cutter 64 to be opened; the electric knife 64 is electrified through the conductive interface 621, and cutting is performed after the electric knife 64 is heated; after cutting, the power supply is disconnected, the knife control sleeve 7 slides in the direction away from the electric knife 64, so that the knife opening block 71 leaves the electric knife 64, the conductive sleeve 6 slides in the direction of the outer sleeve 5 and is retracted into the outer sleeve 5; the knife control sleeve 7 is retracted into the outer sleeve 5, and then the whole device is pulled out; the provision of the insulating coating 61 prevents leakage.
Further, the conductive sleeve 6 is provided with a power-on handle 62, and the power-on handle 62 is provided with a conductive interface 621; the electric knife 64 is long sheet-shaped, and a knife rotating shaft 641 is arranged at the end part of the electric knife 64; the opening block 71 is triangular in shape.
When the electric knife is applied, the electric connection handle 62 can be used as a handle to be convenient to operate, and the power supply is connected with electricity through the conductive interface 621 to supply electricity to the electric knife 64; the electric knife 64 is long and sheet-shaped, is suitable for cutting, and the electric knife 64 is opened and closed by rotating around the knife rotating shaft 641; the electric knife 64 can also select a tungsten needle electrode high-frequency electric knife 64 when necessary, and the ultra-high strength, high melting point, non-adhesion tissue and antibacterial property of the tungsten needle electric knife 64 have excellent hemostatic performance and good cutting effect; the opening block 71 is triangular in shape, so that the opening block is beneficial to gradually contacting with the electric knife 64 and gradually pushing up the electric knife 64.
Further, the cutting mechanism 4 further comprises a rear sleeve 8 and an umbrella frame 81; the rear sleeve 8 is sleeved in the outer sleeve 5 in a sliding manner, and a connecting end is arranged at one end of the rear sleeve 8 inserted into the outer sleeve 5; the umbrella framework 81 is sleeved in the outer sleeve 5 in a sliding way, 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 and 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, the rear sleeve 8 slides towards the direction away from the outer port 51 of the operating 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 surface of the connection cover 811, and the elastic piece 812 elastically abuts against the inner wall of the outer sleeve 5.
In application, the connection cover 811 is screwed with the connection end; taking the position of the cutting mechanism 4 as a reference in fig. 4, the left plane of the left elastic piece 812 and the right end face of the right elastic piece 812 are elastically abutted against the inner wall of the outer sleeve 5; the elastic piece 812 is made of soft rubber, so that the damage of the soft rubber can be reduced, the aim of protecting intestinal tracts is fulfilled, and the operation safety is improved.
Further, the cutting mechanism 4 further includes a front tie rod 9 and a front fixing piece 92; the front pull rod 9 is sleeved in the knife control sleeve 7 in a sliding way, both ends of the front pull rod 9 extend out of both ends of the knife 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 front pull rod 9 is provided with a front piece notch 91 at the end part extending out of the port 52 in the operation area, and a front piece rotating shaft 911 is arranged along the direction perpendicular 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 panel rotation shaft 911.
When the device is used, after the elastic piece 812 is opened, the front pull rod 9 is pushed to the target position, the knife control sleeve 7 is only required to be pushed forward, so that the tail end of the knife control sleeve 7 is propped against the front fixing piece 92, and the front fixing piece 92 is opened to play a role in fixing; the electric knife 64 can then be turned on to cut; the front fixing piece 92 is made of soft rubber, so that the damage to the soft rubber can be reduced, the aim of protecting intestinal tracts is fulfilled, and the operation safety is improved.
In order to realize the function of introducing the balloon 2 of the introducing mechanism, this embodiment provides the catheter 1 as shown in fig. 1, 2 and 3, the catheter 1 is connected 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 catheter 1 surrounded by the air bag 2 is provided with an inflation through hole 14; the inflation unit 3 is provided with an inflation inlet 321, the inflation unit 3 is arranged on the inflation manifold 11, the inflation inlet 321 penetrates through the inflation manifold 11 to enter the inside of the catheter 1, and the inflation inlet 321 is also 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 holes 14 in the conduit 1 of the inflation manifold 11 to inflate the air bladder 2.
Further, the air charging unit 3 includes a manual air charging balloon 31 and an air charging tube 32; the manual air inflation 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 air inflation manifold 11, and the air outlet end 311 is connected and communicated with one end of the air inflation tube 32; the other end of the air charging tube 32 is provided with an air charging port 321, and the air charging port 321 is communicated with the air charging through hole 14 in a sealing way.
When the air bag 2 reaches the position needing to be expanded in application, the manual air-filling ball 31 is pressed to fill the air-filling tube 32 with air, the air-filling tube 32 fills the air into the air bag 2 through the air-filling through hole 14 communicated with the air-filling tube 32 in a sealing way, and the air bag 2 is inflated.
Further, the inflation unit 3 further includes a barometer 33, and a pressure measuring end 331 of the barometer 33 is in communication with the interior of the inflation manifold 11.
When the air bag 2 is inflated in application, the air bag 31 is inflated manually, and the barometer 33 is needed to assist in measuring the air pressure, so that the amount of the inflated air can be conveniently controlled.
In order to prevent the situation that the balloon 2 is placed or the cutting is reversed or the flushing is needed when the operation is performed, the flushing manifold 12 and the drainage bag 17 are arranged as shown in fig. 1, 2 and 3 in the embodiment, the catheter 1 is connected with the flushing manifold 12, the orifice of the flushing manifold 12 is in threaded connection with the flushing device to be used, and a flushing switch 13 is arranged between the orifice of the flushing manifold 12 and the catheter 1; the drainage bag 17 is connected with the drainage outlet 15.
When the flushing device is used, the flushing device can be connected to flush through the flushing manifold 12 when flushing is needed; when flushing is finished or 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 further provided, and in this embodiment, as shown in fig. 3 and 5, the micro camera is a lead-in micro camera 16 and a cut-guiding micro camera 41, respectively; the leading-in micro camera 16 is arranged on the peripheral wall of the operation port 18, and the leading-in micro camera 16 is arranged adjacent to the air bag 2; the cutting guide miniature camera 41 is arranged on the outer wall of the knife control sleeve 7, the cutting guide miniature camera 41 is arranged adjacent to the knife opening block 71, and the cutting guide miniature camera 41 is slidably arranged in the guide groove 63.
When the miniature camera is applied, the miniature camera adopts a wireless transmission camera with a battery, and circuits can be arranged in the guide pipe 1 and the knife control sleeve 7 to provide support for the miniature camera when necessary; a micro camera 16 is imported to provide video navigation when the air bag 2 is placed; the cutting guide miniature camera 41 is arranged on the cutter control pipe and can provide images when the power supply cutter 64 is opened and cut; by arranging the miniature camera, the damage can be reduced, and the operation safety can be improved.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (10)
1. A device for treating enteroanastomosis post-operation stenosis is characterized in that,
comprises an introducing mechanism and a cutting mechanism;
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 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. A device for treating post-enterostomy stenosis as in claim 1, wherein,
the catheter is communicated with an operation manifold, and the operation manifold is arranged between the air sac and the drainage outlet; the operation manifold is provided with the mounting opening, and the cutting mechanism is inserted into the mounting opening.
3. A device for the treatment of post-enterostomy stenosis according to any of the claim 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, the outer sleeve is sleeved outside the conductive sleeve in a sliding manner, and the outer sleeve is provided with an operation area external port and an operation area internal port which are communicated with each other;
an insulating coating is arranged on the surface of the conductive sleeve, and two ends of the conductive sleeve extend out of the outer sleeve; one end of the conductive sleeve passing 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 is arranged in an extending way 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 electric knife is characterized in that the knife control sleeve is sleeved in the conductive sleeve in a sliding manner, two ends of the knife control sleeve extend out of the conductive sleeve, an opening block is arranged on the outer wall of the end part of the knife control sleeve, the opening block is slidably mounted in the guide groove, and the sliding of the opening block is used for controlling the opening of the electric knife.
4. A device for treating post-enterostomy stenosis as in claim 3, wherein,
the conductive sleeve is provided with a power-on handle, and the power-on 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 opening block is triangular in shape.
5. A device for treating post-enterostomy stenosis as in claim 3, wherein said cutting mechanism further comprises a posterior cannula and umbrella framework;
the rear sleeve is sleeved in the outer sleeve in a sliding manner, and a connecting end is arranged at one end of the rear sleeve inserted into the outer sleeve;
the umbrella framework is sleeved in the outer sleeve in a sliding manner, the umbrella framework is connected with the connecting end, and the sliding of the rear sleeve is used for controlling the opening and closing of the umbrella framework.
6. A device for treating post-enterostomy stenosis as in claim 5, wherein,
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 piece is connected with the outer side end face of the connecting cover, and the elastic piece is elastically abutted with the inner wall of the outer sleeve.
7. A device for treating post-enterostomy stenosis as in claim 3, wherein said cutting mechanism further comprises a front pull rod and a front anchor tab;
the front pull rod is sleeved in the knife control sleeve in a sliding manner, both ends of the front pull rod extend out of both ends of the knife 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, which extends out of the port in the operation area, is provided with a front piece notch, and a front piece rotating shaft is arranged along the direction perpendicular to the front piece notch;
the number of the front fixing pieces is two, and the front fixing pieces are rotatably arranged on the front piece rotating shaft.
8. A device for treating post-enterostomy stenosis as in claim 1, wherein,
the catheter 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 catheter surrounded by the air bag is provided with an inflation through hole;
the inflation unit is provided with an inflation port, the inflation unit is installed on the inflation manifold, the inflation port penetrates through the inflation manifold to enter the inside of the catheter, and the inflation port is further connected and communicated with the inflation through hole.
9. A device for treating post-enterostomy stenosis as in claim 8, wherein,
the inflation unit comprises a manual inflation ball and an inflation tube;
the manual inflation ball is provided with an air outlet end, the outer wall of the air outlet end is sleeved on the inner wall of the inflation manifold, and the air outlet end is connected and communicated with one end of the inflation tube;
the other end of the air charging pipe is provided with the air charging port which is communicated with the air charging through hole in a sealing way.
10. The device for treating post-enteroanastomosis stenosis of claim 9, wherein said inflatable unit further comprises a barometer having a pressure measuring end in communication with said inflation manifold interior.
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