CN217525343U - Cutting device for treating stricture after intestinal anastomosis - Google Patents

Cutting device for treating stricture after intestinal anastomosis Download PDF

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Publication number
CN217525343U
CN217525343U CN202220439252.4U CN202220439252U CN217525343U CN 217525343 U CN217525343 U CN 217525343U CN 202220439252 U CN202220439252 U CN 202220439252U CN 217525343 U CN217525343 U CN 217525343U
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China
Prior art keywords
sleeve
knife
cutting device
conductive
conductive sleeve
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CN202220439252.4U
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Chinese (zh)
Inventor
陈政
苏永辉
丁瑞
邹劲林
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Fifth Affiliated Hospital of Sun Yat Sen University
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Fifth Affiliated Hospital of Sun Yat Sen University
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Abstract

The utility model discloses a cutting device for treating intestinal anastomosis poststenosis, which comprises an outer sleeve, a conductive sleeve, an electrotome and a knife control sleeve; the outer sleeve 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 which extends along the length direction of the conductive sleeve; the electric knife is rotatably arranged in the guide groove and 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 electric knife to open.

Description

Cutting device for treating stricture after intestinal anastomosis
Technical Field
The utility model relates to a narrow field after the treatment intestinal anastomosis, in particular to a cutting device for treating narrow after the intestinal anastomosis.
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 has long treatment period, slow recovery and poor overall effect, and the problem of anastomotic stenosis cannot be effectively solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a narrow cutting device for treating intestinal anastomosis postoperative to solve the current narrow method of treatment intestinal anastomosis postoperative, can't solve the narrow problem of intestinal anastomosis mouth more effectively.
In order to solve the technical problem, the utility model provides a cutting device for treating stricture after intestinal anastomosis, which comprises an outer sleeve, a conductive sleeve, an electrotome and a knife control sleeve; the outer sleeve 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 electric knife is characterized in that 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 electric knife.
In one embodiment, the conductive sleeve is provided with a power connection handle, and the power connection handle is provided with the conductive interface.
In one embodiment, 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 device 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 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 elastic sheet is a soft rubber.
In one embodiment, the cutting device 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 front fixing plate is rotatably arranged at the end part extending out of the port in the operation area.
In one embodiment, the front fixing piece is made of soft rubber.
In one embodiment, the end part of the front pull rod extending out of the internal port of the operation area is provided with a front piece notch, and a front piece rotating shaft is arranged along the direction vertical to the front piece notch; the number of the front fixing pieces is two; the front fixing sheet is rotatably arranged on the front sheet rotating shaft.
In one embodiment, the cutting device further comprises a micro camera, the micro camera is arranged on the outer wall of the cutter control sleeve, the micro camera is arranged adjacent to the cutter opening block, and the micro camera is slidably mounted in the guide groove.
The utility model has the advantages as follows:
the cutting device is arranged, the elastic sheet and the front fixing sheet are opened for fixing, and then the electric knife is used for carrying out thermal cutting, so that the wound can be reduced, and the bleeding and perforation incidence rate can be reduced; the elastic sheet and the front fixing sheet are designed by soft rubber, so that the wound in the operation process can be reduced, and the safety is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and obviously, 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 a perspective view of an apparatus provided by a preferred embodiment of the present invention;
fig. 2 is a cross-sectional view of the apparatus provided by the preferred embodiment of the present invention;
fig. 3 is a schematic structural diagram of an apparatus according to a preferred embodiment of the present invention.
The reference numbers are as follows:
1-outer sleeve; 11-external port of operation area; 12-intra-operative site ports;
2-a conductive sleeve; 21-an insulating coating; 22-connecting a power handle; 221-a conductive interface; 23-a guide groove;
3, electric knife; 31-a knife rotating shaft;
4-controlling the cutter sleeve; 41-cutter opening block;
5-rear sleeve;
6-umbrella framework; 61-a connecting cover; 62-an elastic sheet;
7-a front pull rod; 71-front panel slot; 711-front panel rotation axis; 72-front fixing sheet;
8-micro camera.
Detailed Description
The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
One embodiment of a cutting device is shown in fig. 1, 2 and 3, and comprises an outer sleeve 1, a conductive sleeve 2, an electric knife 3 and a knife control sleeve 4; the outer sleeve 1 is sleeved outside the conductive sleeve 2 in a sliding manner, and the outer sleeve 1 is provided with an external operation area port 11 and an internal operation area port 12 which are communicated with each other; the surface of the conductive sleeve 2 is provided with an insulating coating 21, and both ends of the conductive sleeve 2 extend out of the outer sleeve 1; one end of the conductive sleeve 2 penetrating through the external port 11 of the operation area is electrically connected with a conductive interface 221; one end of the conductive sleeve 2, which penetrates through the port 12 in the operation area, is provided with a guide groove 23, and the guide groove 23 extends along the length direction of the conductive sleeve 2; the electric knife 3 is rotatably arranged in the guide groove 23, and the electric knife 3 is electrically connected with the conductive sleeve 2; the knife control sleeve 4 is sleeved in the conductive sleeve 2 in a sliding mode, two ends of the knife control sleeve 4 extend out of the conductive sleeve 2, a knife opening block 41 is arranged on the outer wall of the end portion of the knife control sleeve 4, the knife opening block 41 is installed in the guide groove 23 in a sliding mode, and the sliding of the knife opening block 41 is used for controlling the opening of the electric knife 3.
When the device is applied, the electrotome 3 is in a closed state, and after the whole device is placed in the intestinal tract of a patient, the outer sleeve 1 is fixed after reaching a target position; the conductive sleeve 2 and the control sleeve move forward continuously by sliding in the outer sleeve 1, and after reaching the position to be cut, the knife opening block 41 moves towards the electrotome 3 by controlling the knife control sleeve 4 to slide in the conductive sleeve 2, and the knife opening block 41 pushes against the electrotome 3 to open the electrotome 3; electrifying the electric knife 3 through the conductive interface 221, and cutting after heating the electric knife 3; after cutting, the power supply is cut off, the knife control sleeve 4 slides towards the direction far away from the electric knife 3, the knife opening block 41 leaves the electric knife 3, and the conductive sleeve 2 slides towards the outer sleeve 1 and is contained in the outer sleeve 1; then the knife control sleeve 4 is put into the outer sleeve 1, and then the whole device is pulled out; the provision of the insulating coating 21 prevents electric leakage.
Further, the conductive sleeve 2 is provided with an electric connection handle 22, and the electric connection handle 22 is provided with a conductive interface 221.
When the electric handle 22 is used, the electric handle can be used as a handle to be conveniently operated, and a power supply is connected with electricity through the conductive interface 221.
Further, the electric knife 3 is in a long sheet shape, and a knife rotating shaft 31 is arranged at the end part of the electric knife 3; the cutter block 41 is triangular in shape.
When the electric knife is applied, the electric knife 3 is in a long sheet shape and is suitable for cutting, and the electric knife 3 opens and closes by rotating around the knife rotating shaft 31; wherein, when necessary, the electrotome 3 can also select a tungsten needle electrode high-frequency electrotome, and the characteristics of the tungsten needle electrotome, such as ultrahigh strength, high melting point, non-adhesion tissue and antibiosis, have excellent hemostasis performance and good cutting effect; the cutter opening block 41 is triangular, which is beneficial to gradually contact with the electric knife 3 and gradually push open the electric knife 3.
In order to achieve the fixing function of the cutting device, the cutting device is configured as shown in fig. 1, 2 and 3, and the cutting device further comprises a rear sleeve 5 and an umbrella framework 6; the rear sleeve 5 is sleeved in the outer sleeve 1 in a sliding manner, and one end of the rear sleeve 5 inserted into the outer sleeve 1 is provided with a connecting end; the umbrella framework 6 is sleeved in the outer sleeve 1 in a sliding mode, the umbrella framework 6 is connected with the connecting end, and the sliding of the rear sleeve 5 is used for controlling the opening and closing of the umbrella framework 6.
When the umbrella is applied, after the cutting device is placed in, the outer sleeve 1 is fixed, firstly, the umbrella framework 6 is driven to slide out of the outer sleeve 1 by controlling the sliding of the rear sleeve 5, and the umbrella framework 6 is opened; then the electric knife 3 is opened to cut, so that the cutting effect is improved; when the umbrella is used up, the rear sleeve 5 slides towards the direction far away from the external port 11 of the external sleeve 1 operation area, the umbrella framework 6 slides into the external sleeve 1, and the umbrella framework 6 is closed.
Further, the umbrella frame 6 comprises a connecting cover 61 and an elastic sheet 62; the inner peripheral wall of the connecting cover 61 is sleeved with the outer peripheral wall of the connecting end; one end of the elastic piece 62 is connected with the outer end face of the connecting cover 61, and the elastic piece 62 is elastically abutted with the inner wall of the outer sleeve 1.
When the connector is applied, the connecting cover 61 is in threaded connection with the connecting end; with reference to the position of the device in fig. 1, the left plane of the left elastic piece 62 and the right end surface of the right elastic piece 62 are elastically abutted with the inner wall of the outer sleeve 1.
Further, the elastic sheet 62 is soft rubber.
When the elastic piece 62 is used, the elastic piece 62 has elasticity and can be opened after sliding out of the outer sleeve 1, and the outer sleeve 1 can compress the elastic piece 62 when sliding into the outer sleeve 1, so that the elastic piece 62 is closed; the elastic sheet 62 is soft rubber, and can play a role in protecting when the elastic sheet 62 slides out of the outer sleeve 1 to be contacted with the intestinal tract of a patient, so that the injury is reduced, and the safety is improved.
Further, the cutting device also comprises a front pull rod 7 and a front fixing sheet 72; the front pull rod 7 is sleeved in the cutter control sleeve 4 in a sliding manner, two ends of the front pull rod 7 extend out of two ends of the cutter control sleeve 4, and the sliding of the front pull rod 7 is used for controlling the opening of the front fixing piece 72; the anterior fixation tab 72 is pivotally mounted to the end of the port 12 that extends into the surgical field.
When the device is used, after the elastic piece 62 is opened, the front pull rod 7 is pushed to a target position, and only the cutter control sleeve 4 needs to be pushed forwards, so that the tail end of the cutter control sleeve 4 is pushed against the front fixing piece 72, and the front fixing piece 72 is expanded to play a fixing role; the electric knife 3 can then be opened for cutting.
Further, the front fixing piece 72 is made of soft rubber.
When using, preceding stationary blade 72 is the flexible glue, can play the guard action when preceding stationary blade 72 contacts with patient's intestinal, reduces the injury, increases the security.
Furthermore, the end part of the front pull rod 7 extending out of the port 12 in the operation area is provided with a front piece notch 71, and a front piece rotating shaft 711 is arranged along the direction vertical to the front piece notch 71; the number of the front fixing pieces 72 is two; the front fixing plate 72 is rotatably mounted to the front plate rotating shaft 711.
When in use, the front fixing sheet 72 is mounted on the front sheet rotating shaft 711, and when in use, the front fixing sheet 72 rotates around the front sheet rotating shaft 711.
In order to realize the guiding cutting function of the cutting device, the micro-camera 8 is set as shown in fig. 2 in this embodiment, the cutting device further includes the micro-camera 8, the micro-camera 8 is disposed on the outer wall of the knife control sleeve 4, the micro-camera 8 is disposed adjacent to the knife opening block 41, and the micro-camera 8 is slidably mounted in the guide groove 23.
When the micro-camera 8 is applied, a wireless transmission camera with a battery is adopted by the micro-camera 8, and a circuit can be arranged on the knife control sleeve 4 to provide support for the micro-camera 8 when necessary; the micro camera 8 is arranged on the knife control tube and can provide images when the knife 3 is opened and cut, so that the damage can be reduced, and the operation safety is improved.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and decorations can be made, which are also considered as the protection scope of the present invention.

Claims (10)

1. A cutting device for treating strictures after intestinal anastomosis is characterized in that,
comprises an outer sleeve, a conductive sleeve, an electrotome and a knife control sleeve;
the outer sleeve 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 electric knife is characterized in that 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 electric knife.
2. Cutting device according to claim 1, wherein the electrically conductive sleeve is provided with an electrically powered handle provided with the electrically conductive interface.
3. The cutting device of claim 1,
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.
4. The cutting device of claim 1,
the cutting device also comprises a rear sleeve and an 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 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.
5. The cutting device of claim 4, wherein the umbrella frame comprises a connecting cover and a resilient tab;
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.
6. The cutting device of claim 5, wherein the flexible blade is soft gel.
7. The cutting device of claim 4,
the cutting device also comprises a front pull rod and a front fixing piece;
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 front fixing plate is rotatably arranged at the end part extending out of the port in the operation area.
8. The cutting device as claimed in claim 7, wherein the front fixing plate is made of soft rubber.
9. The cutting device of claim 7,
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 number of the front fixing pieces is two; the front fixing sheet is rotatably arranged on the front sheet rotating shaft.
10. The cutting device according to claim 1, further comprising a micro-camera, wherein the micro-camera is disposed on an outer wall of the knife control sleeve, the micro-camera is disposed adjacent to the knife opening block, and the micro-camera is slidably mounted in the guide groove.
CN202220439252.4U 2022-03-01 2022-03-01 Cutting device for treating stricture after intestinal anastomosis Active CN217525343U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220439252.4U CN217525343U (en) 2022-03-01 2022-03-01 Cutting device for treating stricture after intestinal anastomosis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220439252.4U CN217525343U (en) 2022-03-01 2022-03-01 Cutting device for treating stricture after intestinal anastomosis

Publications (1)

Publication Number Publication Date
CN217525343U true CN217525343U (en) 2022-10-04

Family

ID=83426851

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220439252.4U Active CN217525343U (en) 2022-03-01 2022-03-01 Cutting device for treating stricture after intestinal anastomosis

Country Status (1)

Country Link
CN (1) CN217525343U (en)

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