CN111904519A - Compression hemostasis device under endoscope - Google Patents
Compression hemostasis device under endoscope Download PDFInfo
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- CN111904519A CN111904519A CN201910386655.XA CN201910386655A CN111904519A CN 111904519 A CN111904519 A CN 111904519A CN 201910386655 A CN201910386655 A CN 201910386655A CN 111904519 A CN111904519 A CN 111904519A
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- operating rod
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/007—Auxiliary appliance with irrigation system
Abstract
The invention discloses a compression hemostasis device under an endoscope, which comprises: the operating rod is internally provided with a hollow inner cavity; the annular compression head is arranged at the front end of the operating rod, and the volume of the annular inner cavity can be changed; the compression force adjusting device is connected with the compression head, and one part of the compression force adjusting device penetrates through the inner cavity of the operating rod and is used for adjusting the compression force of the compression head on tissues outside the compression head by adjusting the volume of the inner cavity of the compression head; the flushing device is provided with a head end flushing pipe and a head end suction pipe which are arranged in the compression head inner ring in a penetrating way and is used for cleaning the visual field near the tissue through the head end flushing pipe and the head end suction pipe; the medicine applying device is provided with a medicine applying pipe which is arranged in the inner ring of the pressing head in a penetrating way and is used for applying medicine to tissues through the medicine applying pipe. The hemostasis device adapts to bleeding of different areas by adjusting the size of the compression head, can effectively and accurately add hemostasis materials through the drug application device, and is convenient for finding bleeding points in the operation through the flushing device, so that the hemostasis under the endoscope can be effectively carried out.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a compression hemostasis device under an endoscope.
Background
In clinic, endoscopic techniques are one of the most widely used surgical procedures. However, the endoscopic hemostasis method is limited, and when a large number of laparoscopic hemostasis methods appear, effective hemostasis measures are not available, and the most effective compression hemostasis method for the open surgery cannot be implemented under the endoscope. Endoscopic surgery often has to be switched to open surgery due to intraoperative bleeding or the patient is life-threatening due to bleeding. Therefore, it is necessary to design an effective compression hemostasis instrument suitable for endoscopic surgery.
Disclosure of Invention
The invention aims to solve the problems and provides a compression hemostasis device under an endoscope.
In order to achieve the above object, the present invention provides a compression hemostasis device under an endoscope, comprising: the operating rod is internally provided with a hollow inner cavity; the annular compression head is arranged at the front end of the operating rod, and the volume of the annular inner cavity can be changed; the compression force adjusting device is connected with the compression head, and one part of the compression force adjusting device penetrates through the inner cavity of the operating rod and is used for adjusting the compression force of the compression head on tissues outside the compression head by adjusting the volume of the inner cavity of the compression head; the flushing device is provided with a head end flushing pipe and a head end suction pipe which are arranged in the compression head inner ring in a penetrating way and is used for cleaning the visual field near the tissue through the head end flushing pipe and the head end suction pipe; the medicine applying device is provided with a medicine applying pipe which is arranged in the inner ring of the pressing head in a penetrating way and is used for applying medicine to tissues through the medicine applying pipe.
Wherein the pressing force adjusting device includes: the front end of the connecting pipe is communicated with the annular inner cavity of the compression head and penetrates through the inner cavity of the operating rod; the liquid injection structure is arranged on the operating rod and communicated with the tail end of the communicating pipe, and is used for adjusting the pressing force of the pressing head by changing the liquid injection amount in the annular inner cavity of the pressing head.
Preferably, the liquid injection structure includes: a liquid storage cavity which is arranged in the handle of the operating rod and is used for storing liquid in the operating rod, and one end of the liquid storage cavity is communicated with the communicating pipe; the containing groove is arranged in the handle and is positioned at the other end of the liquid storage cavity; the sliding groove is arranged on the handle of the operating rod and communicated with the accommodating groove, and extends along the length direction of the handle; a piston rod, one end of which is provided with a piston is arranged in the liquid storage cavity, and the other end of which is provided with a handle is arranged in the accommodating groove; one end of the sliding handle penetrates through the sliding groove and is fixedly connected with the handle of the piston rod, and the other end of the sliding handle is exposed out of the handle; the sliding handle slides along the extending direction of the sliding groove through external force, and the piston rod is driven to extrude liquid in the liquid storage cavity, so that the pressing force of the pressing head can be adjusted.
Further, the flushing device further comprises: the liquid inlet flushing pipe is communicated with the head end flushing pipe; the liquid discharge straw is communicated with the head end straw; and the flushing adjusting mechanism is used for adjusting the flow rates of the liquid inlet flushing pipe and the liquid discharge suction pipe.
Preferably, the flush adjustment mechanism includes: a trigger installed at one side of the operating rod and having one end pulled by an external force; the flushing and sucking pipe regulating switch is hinged with the other end of the trigger and moves along the length extension direction of the operating rod along with the external force pulling the trigger; and the pipe diameter adjusting component is connected with the flushing and sucking pipe adjusting switch and is linked with the flushing and sucking pipe adjusting switch so as to adjust the inner diameters of the liquid inlet flushing pipe and the liquid discharge sucking pipe.
Preferably, the flushing and sucking pipe adjusting switch comprises: a button having one end hinged to the other end of the trigger; one end of the connecting rod is fixedly connected with the other end of the button and penetrates through the operating rod along the radial direction of the operating rod; the operating rod is provided with a pair of opposite penetrating grooves which extend along the length direction of the operating rod and penetrate through the operating rod, and two ends of the connecting rod are respectively lapped on the pair of opposite penetrating grooves; when the button is linked with the trigger, the connecting rod is driven to move along the length direction of the operating rod.
Preferably, the other end of the connecting rod is provided with an anti-drop bulge part for preventing the connecting rod from dropping from the operating rod.
Preferably, the pipe diameter adjusting assembly comprises: the liquid inlet adjusting component is connected with the connecting rod and is used for adjusting the liquid inlet flow rate by adjusting the inner diameter of the liquid inlet flushing pipe; and the liquid discharge adjusting component is connected with the connecting rod and is used for adjusting the liquid discharge flow by adjusting the inner diameter of the liquid discharge straw.
Preferably, the liquid inlet regulating assembly comprises: a fan blade connecting rod having one end connected to one side of the connecting rod; one side of the fan blade is hinged with the other end of the fan blade connecting rod; the fan blade fixing shaft is hinged with the other end of the adjusting fan blade and is fixed on the partition rib in the inner cavity of the operating rod; and one side of the adjusting fan blade is abutted against the inner side outer wall of the liquid inlet flushing pipe, which faces the center of the operating rod, so that when the adjusting fan blade is linked with the connecting rod, the inner diameter of the liquid inlet flushing pipe is adjusted by extruding the liquid inlet flushing pipe.
Preferably, the liquid discharge adjustment assembly includes: a fan blade connecting rod with one end connected with the other side of the connecting rod; one side of the fan blade is hinged with the other end of the fan blade connecting rod; the fan blade fixing shaft is hinged with the other end of the adjusting fan blade and is fixed on the partition rib in the inner cavity of the operating rod; the side of the adjusting fan blade is abutted against the outer wall of the inner side of the liquid discharge straw, which faces the center of the operating rod, so that the inner diameter of the liquid discharge straw is adjusted by squeezing the liquid discharge straw when the adjusting fan blade is linked with the connecting rod.
Compared with the prior art, the compression hemostasis device under the endoscope provided by the embodiment of the invention has the following advantages:
the hemostasis by compression device under chamber mirror of this embodiment, through the hemorrhage of the different areas of size adaptation of adjusting the head of oppression, through the joining hemostatic material that the device of giving medicine to the poor free of charge can be effective accurate, find the point of bleeding in the art of being convenient for through washing unit, consequently can effectively carry out hemostasis under the chamber mirror.
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a cross-sectional view of a laparoscopic compression hemostasis device in accordance with an embodiment of the present invention;
FIG. 2 is a partial front view of the laparoscopic compression hemostasis device of an embodiment of the present invention;
FIG. 3 is a left side view of the head of the compression hemostasis device of FIG. 2;
FIG. 4 is a schematic structural view of a flush adjustment mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of the flush adjustment mechanism of an embodiment of the present invention in an un-squeezed liquid inlet flush tube and liquid discharge straw state;
FIG. 6 is a schematic view of the flush adjustment mechanism of an embodiment of the present invention in a squeezed feed flush tube and a discharge straw;
FIG. 7 is a schematic view of the connection of the trigger to the flush tube adjustment switch according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, which is a schematic structural view of the endoscopic compression hemostasis device provided by the present invention, it can be seen that the endoscopic compression hemostasis device of the present invention comprises: the operating rod is internally provided with a hollow inner cavity; the compression head 1 is arranged at the front end of the operating rod, is annular and has a changeable volume of an annular inner cavity; the compression force adjusting device is connected with the compression head 1, and one part of the compression force adjusting device penetrates through the inner cavity of the operating rod and is used for adjusting the compression force of the compression head 1 on the tissues outside the compression head 1 by adjusting the volume of the inner cavity of the compression head 1; the flushing device is provided with a head end flushing pipe 2 and a head end suction pipe 4 which are arranged in the inner ring of the compression head 1 in a penetrating way and is used for cleaning the visual field near the tissue through the head end flushing pipe 2 and the head end suction pipe 4; a drug applying device provided with a drug applying tube 3 inserted into the inner ring of the pressing head 1 and used for applying drug to the tissue through the drug applying tube 3.
Specifically, the operating rod of the present embodiment includes a straight rod section 5 extending straight and in a circular shape and a flat handle 14 connected to the tail end of the straight rod section 5 and forming an included angle therebetween, both the straight rod section 5 and the handle 14 have a hollow inner cavity, so that other components of the present embodiment can be disposed in the inner cavity, and in design, the included angle between the straight rod section 5 and the handle 14 can refer to the included angle between the straight rod section and the handle in the endoscopic instrument in the prior art. Also, if desired, ribs separating part or all of the hollow lumens may be provided in the straight pole segment 5 and the handle 14.
Wherein, oppression head 1 sets up in the front end of action bars straight rod section 5, and oppression head 1 is the annular, and the volume of annular inner chamber can change, and during the manufacturing, oppression head 1 can be made by having elastic material, for example can be the thin wall annular oppression bag of making by rubber. Through the change of the volume of the annular inner cavity of the compression head 1, the size of the outer ring of the compression head 1 can be changed, so that the compression force of the compression head 1 on the peripheral tissues during the endoscopic surgery can be adjusted, and the compression hemostasis is performed on the tissue bleeding point.
The volume of the annular inner cavity of the compression head 1 is adjusted through a compression force adjusting device in the embodiment, and the compression force adjusting device comprises: the front end of the communicating pipe 6 is communicated with the annular inner cavity of the compression head 1 and penetrates through the inner cavity of the operating rod, and the communicating pipe 6 comprises a part penetrating through the hollow inner cavity of the straight rod section and a part penetrating through the hollow inner cavity of the handle; and the liquid injection structure is arranged on the handle 14 of the operating rod and is communicated with the tail end of the communication pipe 6, and is used for adjusting the pressing force of the pressing head 1 by changing the liquid injection amount in the annular inner cavity of the pressing head 1.
Wherein, annotate the liquid structure and can adopt the structure as shown in figure 1, include: a liquid storage cavity 6 ' which is arranged in the handle 14 of the operating rod and is used for storing liquid therein, wherein one end (namely the bottom end) of the liquid storage cavity 6 ' is communicated with the communicating pipe 6, and the liquid storage cavity 6 ' is arranged along the length extending direction of the handle 14; a containing groove which is arranged in the handle 14 and is positioned at the other end (namely the top end) of the liquid storage cavity 6'; the sliding groove, the opening of which is formed in a side wall of the handle 14 (when the device is placed in the position shown in fig. 1, the side wall of the side where the opening is formed is the left side wall of the handle, that is, the side wall facing the viewer), and which is communicated with the accommodating groove, extends along the length extension direction of the handle 14; one end with a piston is arranged in the liquid storage cavity 6 ', the other end with a handle is arranged on a piston rod 10 ' in the containing groove, the piston rod is arranged along the length direction of the handle, and can move along the length direction of the handle relative to the liquid storage cavity 6 ' under the action of external force so as to extrude the liquid in the liquid storage cavity 6 ' into the pressing head through the communicating pipe or suck the liquid in the pressing head into the liquid storage cavity 6 ' through the communicating pipe, so that the overall dimension of the pressing head 1 can be changed; one end of the sliding handle 10 passes through the sliding slot and is fixedly connected with the handle of the piston rod 10', and the other end of the sliding handle is exposed out of the handle 14, so that an operator can conveniently hold the sliding handle 10. When the sliding handle 10 is designed, a sliding rod which is arranged perpendicular to the length extending direction of the piston rod 10 'and a spherical handle head which is arranged at the exposed end of the sliding rod are adopted, and the sliding rod is fixedly connected with a handle of the piston rod 10'. When an operator holds the exposed end of the sliding handle 10 by hand and forcibly slides the sliding handle 10 along the extending direction of the sliding chute, the piston rod 10 ' can be driven to extrude the liquid in the liquid storage cavity 6 ' or suck the liquid into the liquid storage cavity 6 ', so that the purpose of adjusting the size of the outer ring of the pressing head 1 so as to adjust the pressing force on the surrounding tissues is achieved. It can be seen that the principle of the action of the piston rod 10 'on the extrusion or suction of the liquid in the liquid storage chamber 6' is similar to the principle of the action of the syringe on the extrusion or suction, and the effect of adjusting the pressure of the pressure head can be achieved by pulling the sliding handle 10, so that the appropriate pressure hemostasis can be performed on the surrounding tissues through the pressure head end according to the observed bleeding situation at any time.
In the embodiment, the compression head is adopted to perform compression hemostasis on the tissue, and the bleeding tissue and the nearby tissue can be washed by the washing device so as to make the surgical field clearly visible.
Wherein, the washing unit of this embodiment includes: a head end washing pipe 2 and a head end suction pipe 4 which are arranged in an inner ring of the compression head 1 in a parallel penetrating way; the liquid inlet flushing pipe 7 is communicated with the head end flushing pipe 2 and is arranged in the inner cavity of the straight rod section 5 of the operating rod in a penetrating way; a liquid discharge suction pipe 9 communicated with the head end suction pipe 4 and arranged in the inner cavity of the straight rod section 5 of the operating rod in a penetrating way; and the flushing adjusting mechanism is used for adjusting the flow rates of the liquid inlet flushing pipe 7 and the liquid discharge suction pipe 9.
When in design, the head end flushing pipe 2 can be a circular thin-wall pipe with openings at two ends, the front end of the thin-wall pipe extends into the center of the inner ring of the compression head 1, and the tail end of the thin-wall pipe is communicated with the liquid inlet flushing pipe 7; or, the head end flushing pipe 2 can also adopt a combined pipe of which the front end is a long strip-shaped thin-walled pipe and the rear end is a round thin-walled pipe, the front end of the long strip-shaped thin-walled pipe is closed and is provided with a plurality of small holes 2' (as shown in fig. 3), the front end of the long strip-shaped thin-walled pipe extends into the center of the inner ring of the pressing head 1, and the tail end of the round thin-walled pipe is communicated with the liquid inlet flushing pipe 7. The connection of the head end suction pipe 2 and the liquid inlet flushing pipe 7 can adopt a fixed connection mode, such as adhesion, and also can adopt a detachable connection mode, such as threaded connection or insertion.
Similarly, the head end suction pipe 4 can be a circular thin-wall pipe with openings at two ends, the front end of the thin-wall pipe extends into the center of the inner ring of the compression head 1, and the tail end of the thin-wall pipe is communicated with the liquid discharge suction pipe 9; or, the head end suction pipe 4 can also be a combined pipe of which the front end is a long strip-shaped thin-walled pipe and the rear end is a round thin-walled pipe, the front end of the long strip-shaped thin-walled pipe is closed and is provided with a plurality of small holes 4' (as shown in fig. 3), the front end of the long strip-shaped thin-walled pipe extends into the center of the inner ring of the compression head 1, and the tail end of the round thin-walled pipe is communicated with the liquid discharge suction pipe 9. The connection of the head end suction pipe 2 and the liquid discharge suction pipe 9 can adopt a fixed connection mode, such as adhesion, and can also adopt a detachable connection mode, such as threaded connection or insertion.
In addition, the tail ends of the liquid inlet flushing pipe 7 and the liquid discharge suction pipe 9 can be respectively exposed out of the tail end of the straight rod section 5 and are respectively communicated with the flushing pipe extension pipe 7 'and the suction pipe extension pipe 9' which are positioned out of the tail end of the straight rod section 5. Wherein, the tail end of the flushing pipe extension pipe 7' is communicated with an external liquid supply device which can provide sterile physiological saline with certain pressure, so that the sterile physiological saline with certain pressure is supplied to the head end flushing pipe 2 through the liquid supply device to clean the bleeding tissues of the wound surface. The tail end of the suction pipe extension pipe 9' is communicated with an external negative pressure water absorption device with a negative pressure pipe, so that the sterile physiological saline and/or blood for washing in the operation cavity can be absorbed by the negative pressure water absorption device to expose the visual field.
This embodiment is through washing adjustment mechanism and adjusting the flow of feed liquor towards pipe 7 and flowing back straw 9, should wash adjustment mechanism and include: a trigger 22 installed at one side of the straight rod section 5 of the operation rod and having one end pulled by an external force; the flushing and sucking pipe adjusting switch 13 is hinged with the other end of the trigger 22 and moves along the length extending direction of the straight rod section 5 along with the trigger 22 pulled by external force; and the pipe diameter adjusting component is connected with the flushing and sucking pipe adjusting switch 13 and is linked with the flushing and sucking pipe adjusting switch so as to adjust the inner diameters of the liquid inlet flushing pipe 7 and the liquid discharge sucking pipe 9.
Specifically, as shown in fig. 1 and 7, in this embodiment, a trigger 22 hinged to the straight rod section 5 is installed near the tail end of the straight rod section 5, so that the trigger 22 can rotate around a hinge point with the straight rod section 5 under the action of an external force, and thus the suction and flushing pipe adjusting switch 13 hinged to the other end of the trigger 22 is driven to move. When in design, a spring placing groove 23 'is formed at the position, close to the tail end, of the straight rod section 5, a spring 23 is placed in the spring placing groove, one end of the spring is fixed at the front end of the trigger 22, and the other end of the spring is fixed on the front wall of the spring placing groove 23'. The pulled trigger 22 can be reset by a spring 23.
This embodiment passes through trigger 22 and drives the linkage of washing and suction pipe regulating switch, and this washing and suction pipe regulating switch can adopt the structure as shown in figure 4, includes: a button 13 with one end hinged with the other end of the trigger 22 is exposed out of the straight rod section 5; a connecting rod 17, one end of which is fixedly connected with the other end of the button 13 and penetrates through the straight rod section 5 along the radial direction of the straight rod section 5; wherein, the straight rod section 5 is provided with a pair of through grooves which extend along the length direction (i.e. extend along the axial direction) and are penetrated through the straight rod section 5, and the two ends of the connecting rod 17 are respectively lapped on the pair of through grooves and can move along the length direction of the straight rod section 5 along the through grooves. When the button 13 is linked with the trigger 22, the connecting rod 17 is driven to move along the length direction of the operating rod straight rod section 5. In order to prevent the other end of the connecting rod 17 from coming off the straight rod section 5 when the connecting rod 17 moves along the opposite-penetrating slot, a bulging anti-slip bulge portion (shown in fig. 4) is provided at the other end of the connecting rod 17.
When the trigger 22 is pulled to move the connecting rod 17 along the length direction of the straight rod section 5, the pipe diameter adjusting assembly connected with the connecting rod 17 can be driven to adjust the inner diameters of the liquid inlet flushing pipe 7 and the liquid outlet suction pipe 9. The pipe diameter adjusting assembly comprises a liquid inlet adjusting assembly which is connected with a connecting rod 17 and used for adjusting the liquid inlet flow by adjusting the inner diameter of a liquid inlet flushing pipe 7, and a liquid discharge adjusting assembly which is connected with the connecting rod 17 and used for adjusting the liquid discharge flow by adjusting the inner diameter of a liquid discharge suction pipe 9.
The liquid inlet adjusting assembly adopted in the present embodiment may adopt a structure as shown in fig. 4 to fig. 6, including: a fan blade connecting rod 18a having one end connected to one side of the connecting rod 17; an adjusting fan blade 15 with one side hinged with the other end of the fan blade connecting rod 18 a; the fan blade fixing shaft 16 hinged with the other end of the adjusting fan blade 15 can be fixed on the partition rib of the inner cavity of the straight rod section 5. Wherein, one side of the adjusting fan blade 15 is propped against the inner side outer wall of the liquid inlet flushing pipe 7 towards the center of the straight rod section 5. When the connecting rod 17 is linked with the trigger 22, the fan blade connecting rod 18a can be driven to move along the length direction of the straight rod section 5 along with the connecting rod 17, and the adjusting fan blade 15 is pulled; because the two sides of the adjusting fan blade 15 are respectively hinged with the fan blade connecting rod 18a and the fan blade fixing shaft 16, the angle between the adjusting fan blade 15 and the fan blade fixing shaft 16 can be changed under the pulling of the fan blade connecting rod 18a, so that the liquid inlet flushing pipe 7 (shown in figure 6) can be extruded to reduce the inner diameter of the extrusion part of the liquid inlet flushing pipe, or the liquid inlet flushing pipe 7 is not extruded to be in the original non-extrusion state (shown in figure 5), and the purpose of adjusting flushing or water absorption flow is achieved by adjusting the inner diameter of the liquid inlet flushing pipe 7.
Also, the liquid discharge adjustment assembly of the present embodiment may adopt a structure similar to that of the liquid inlet adjustment assembly, as shown in fig. 4 to 6, which includes: a fan blade connecting rod 18b with one end connected with the other side of the connecting rod 17 and the length extending direction of which is the same as the radial direction of the straight rod section 5; an adjusting fan blade 19 whose one side is hinged with the other end of the fan blade connecting rod 18 b; the fan blade fixing shaft 20 hinged with the other end of the adjusting fan blade 19 is fixed on the partition rib of the inner cavity of the straight rod section 5. Wherein one side of the adjusting fan blade 19 is abutted against the inner side outer wall of the liquid discharge straw 9 facing the center of the straight rod section 5, so that when the adjusting fan blade 19 is linked with the connecting rod 17, the inner diameter of the liquid discharge straw 9 is adjusted by squeezing the liquid discharge straw 9. The principle of adjusting the inner diameter of the liquid discharge suction pipe 9 is the same as that of adjusting the liquid inlet flushing pipe 7 by the liquid inlet adjusting assembly, and the principle is not repeated here.
This embodiment is through washing the internal diameter that adjustment mechanism adjusted feed liquor flushing pipe 7 and flowing back straw 9, adjusts the size of the speed of head end flushing pipe 2 bath and the 4 attractions of head end straw respectively to can wash the surface of a wound oozing blood as required, expose the field of vision. For example, when the trigger 22 of FIG. 7 is pulled to the right in FIG. 7, the trigger 22 is rotated in the counterclockwise direction about its hinge point with the straight rod section 5, causing the suction tube adjustment switch 13 to move to the left with the trigger 22, and drives the connecting rod 17 and the fan blade connecting rods 18a and 18b respectively connected with both sides of the connecting rod 17 to link with the connecting rod 17, respectively pull the adjusting fan blades 15 and 19 to rotate around the hinge points with the respective fan blade fixing shafts 16 and 20, so that the adjusting fan blades 15 and 19 rotate from the position shown in FIG. 5 to the position shown in FIG. 6, thereby extruding the liquid inlet flushing pipe 7 and the liquid discharge suction pipe 9, reducing the inner diameters of the liquid inlet flushing pipe 7 and the liquid discharge suction pipe 9, and then the internal pressure of the liquid inlet flushing pipe 7 and the liquid discharge suction pipe 9 (the water pressure of the liquid inlet flushing pipe 7 and the negative pressure of the liquid discharge suction pipe 9) can be regulated, and the purposes of controlling the speed of the head end flushing pipe 2 and the suction force of the head end suction pipe 4 are achieved.
In addition, the present embodiment further comprises a drug delivery device, which comprises a drug delivery tube 3 inserted into the inner ring of the compression head 1, a drug delivery connection tube 8 connected to the end of the drug delivery tube 3 and inserted through the inner cavity of the straight rod section 5, and a drug delivery extension tube 8' connected to the end of the drug delivery connection tube 8.
Wherein, the drug delivery tube 3 can adopt a circular thin-wall tube with two open ends, the front end of the thin-wall tube extends into the center of the inner ring of the compression head 1 and is positioned between the head end suction tube 2 and the head end washing tube 4, and the tail end is communicated with the drug delivery connecting tube 8; or, the drug delivery tube 3 can also be a combined tube of which the front end is a strip-shaped thin-walled tube and the rear end is a round thin-walled tube, the front end of the strip-shaped thin-walled tube is closed and is provided with a plurality of small holes 3' (as shown in fig. 3), the front end of the strip-shaped thin-walled tube extends into the center of the inner ring of the compression head 1, and the tail end of the round thin-walled tube is communicated with the drug delivery connecting tube 8. The application pipe 3 and the application connecting pipe 8 can be connected in a fixed connection mode, such as adhesion, or in a detachable connection mode, such as threaded connection or insertion connection.
Wherein, the pesticide applying connecting pipe 8 penetrates through the inner cavity of the straight rod section 5, and the tail end of the pesticide applying connecting pipe is exposed out of one part of the straight rod section 5 and is communicated with the pesticide applying extension pipe 8'. The tail end of the drug application extension tube 8 'is connected with an external water injection hole, and hemostatic drugs can be injected through the drug application extension tube 8' at any time according to requirements so as to stop blood of tissues.
In summary, compared with the prior art, the compression hemostasis device under the endoscope provided by the embodiment of the invention has the following advantages:
the hemostasis by compression device under chamber mirror of this embodiment, through the hemorrhage of the different areas of size adaptation of adjusting the head of oppression, through the addition hemostatic material that the device of giving medicine to the poor free of charge can be effective accurate, wash the tissue so that find the point of bleeding in the art through washing unit, consequently can effectively carry out hemostasis under the chamber mirror, improve hemostasis efficiency and effect.
Although the embodiments of the present invention have been described in detail, the embodiments of the present invention are not limited thereto, and those skilled in the art can modify the principles of the embodiments of the present invention, and therefore, various modifications made in accordance with the principles of the embodiments of the present invention should be understood to fall within the scope of the embodiments of the present invention.
Claims (10)
1. The utility model provides a hemostasis by compression ware under chamber mirror which characterized in that includes:
the operating rod is internally provided with a hollow inner cavity;
the annular compression head is arranged at the front end of the operating rod, and the volume of the annular inner cavity can be changed;
the compression force adjusting device is connected with the compression head, and one part of the compression force adjusting device penetrates through the inner cavity of the operating rod and is used for adjusting the compression force of the compression head on tissues outside the compression head by adjusting the volume of the inner cavity of the compression head;
the flushing device is provided with a head end flushing pipe and a head end suction pipe which are arranged in the compression head inner ring in a penetrating way and is used for cleaning the visual field near the tissue through the head end flushing pipe and the head end suction pipe;
the medicine applying device is provided with a medicine applying pipe which is arranged in the inner ring of the pressing head in a penetrating way and is used for applying medicine to tissues through the medicine applying pipe.
2. The laparoscopic compression hemostat of claim 1, wherein the compression force adjusting means comprises:
the front end of the connecting pipe is communicated with the annular inner cavity of the compression head and penetrates through the inner cavity of the operating rod;
the liquid injection structure is arranged on the operating rod and communicated with the tail end of the communicating pipe, and is used for adjusting the pressing force of the pressing head by changing the liquid injection amount in the annular inner cavity of the pressing head.
3. The laparoscopic compression hemostat of claim 2, wherein the injection structure comprises:
a liquid storage cavity which is arranged in the handle of the operating rod and is used for storing liquid in the operating rod, and one end of the liquid storage cavity is communicated with the communicating pipe;
the containing groove is arranged in the handle and is positioned at the other end of the liquid storage cavity;
the sliding groove is arranged on the handle of the operating rod and communicated with the accommodating groove, and extends along the length direction of the handle;
a piston rod, one end of which is provided with a piston is arranged in the liquid storage cavity, and the other end of which is provided with a handle is arranged in the accommodating groove;
one end of the sliding handle penetrates through the sliding groove and is fixedly connected with the handle of the piston rod, and the other end of the sliding handle is exposed out of the handle;
the sliding handle slides along the extending direction of the sliding groove through external force, and the piston rod is driven to extrude liquid in the liquid storage cavity, so that the pressing force of the pressing head can be adjusted.
4. The laparoscopic compression hemostat according to any one of claims 1-3, wherein the flushing device further comprises:
the liquid inlet flushing pipe is communicated with the head end flushing pipe;
the liquid discharge straw is communicated with the head end straw;
and the flushing adjusting mechanism is used for adjusting the flow rates of the liquid inlet flushing pipe and the liquid discharge suction pipe.
5. The laparoscopic compression hemostat of claim 4, wherein the flush adjustment mechanism comprises:
a trigger installed at one side of the operating rod and having one end pulled by an external force;
the flushing and sucking pipe regulating switch is hinged with the other end of the trigger and moves along the length extension direction of the operating rod along with the external force pulling the trigger;
and the pipe diameter adjusting component is connected with the flushing and sucking pipe adjusting switch and is linked with the flushing and sucking pipe adjusting switch so as to adjust the inner diameters of the liquid inlet flushing pipe and the liquid discharge sucking pipe.
6. The laparoscopic compression hemostat of claim 5, wherein the flush tube adjustment switch comprises:
a button having one end hinged to the other end of the trigger;
one end of the connecting rod is fixedly connected with the other end of the button and penetrates through the operating rod along the radial direction of the operating rod;
the operating rod is provided with a pair of opposite penetrating grooves which extend along the length direction of the operating rod and penetrate through the operating rod, and two ends of the connecting rod are respectively lapped on the pair of opposite penetrating grooves;
when the button is linked with the trigger, the connecting rod is driven to move along the length direction of the operating rod.
7. The laparoscopic compression hemostat according to claim 6, wherein the other end of the connection rod is provided with an anti-drop bulge portion for preventing it from dropping off the operation rod.
8. The laparoscopic compression hemostat of claim 7, wherein the tube diameter adjustment assembly comprises:
the liquid inlet adjusting component is connected with the connecting rod and is used for adjusting the liquid inlet flow rate by adjusting the inner diameter of the liquid inlet flushing pipe;
and the liquid discharge adjusting component is connected with the connecting rod and is used for adjusting the liquid discharge flow by adjusting the inner diameter of the liquid discharge straw.
9. The laparoscopic compression hemostat of claim 8, wherein said inlet regulation assembly comprises:
a fan blade connecting rod having one end connected to one side of the connecting rod;
one side of the fan blade is hinged with the other end of the fan blade connecting rod;
the fan blade fixing shaft is hinged with the other end of the adjusting fan blade and is fixed on the partition rib in the inner cavity of the operating rod;
and one side of the adjusting fan blade is abutted against the inner side outer wall of the liquid inlet flushing pipe, which faces the center of the operating rod, so that when the adjusting fan blade is linked with the connecting rod, the inner diameter of the liquid inlet flushing pipe is adjusted by extruding the liquid inlet flushing pipe.
10. The laparoscopic compression hemostat of claim 9, wherein the drainage adjustment assembly comprises:
a fan blade connecting rod with one end connected with the other side of the connecting rod;
one side of the fan blade is hinged with the other end of the fan blade connecting rod;
the fan blade fixing shaft is hinged with the other end of the adjusting fan blade and is fixed on the partition rib in the inner cavity of the operating rod;
the side of the adjusting fan blade is abutted against the outer wall of the inner side of the liquid discharge straw, which faces the center of the operating rod, so that the inner diameter of the liquid discharge straw is adjusted by squeezing the liquid discharge straw when the adjusting fan blade is linked with the connecting rod.
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| CN201910386655.XA CN111904519B (en) | 2019-05-10 | 2019-05-10 | Compression hemostasis device under endoscope |
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| CN201910386655.XA CN111904519B (en) | 2019-05-10 | 2019-05-10 | Compression hemostasis device under endoscope |
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Also Published As
| Publication number | Publication date |
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| CN111904519B (en) | 2022-05-31 |
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