CN220757446U

CN220757446U - Hemorrhoid ligation device

Info

Publication number: CN220757446U
Application number: CN202320457065.3U
Authority: CN
Inventors: 施志文
Original assignee: Jiangsu Ruicheng Medical Technology Co ltd
Current assignee: Jiangsu Ruicheng Medical Technology Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2024-04-12
Anticipated expiration: 2033-03-10

Abstract

The utility model belongs to the field of medical instruments, and particularly relates to a hemorrhoid ligation device. The hemorrhoid ligation device comprises a ligation device shell, a firing mechanism arranged on the ligation device shell and a negative pressure assembly arranged in the ligation device shell, wherein the negative pressure assembly comprises a manual negative pressure generator positioned in the ligation device shell, and a negative pressure driving handle for driving the manual negative pressure generator is further connected to the ligation device shell; still including setting up in the four-way subassembly and one of the lower extreme of ligature ware casing connect at the ligature ware casing connect, realized the firing subassembly and manual negative pressure generator, connect and control four-way subassembly and the connection of the switch valve block of atmospheric communication through the four-way subassembly, whether can control the pressure release in the firing mechanism through the switch valve block to when manual negative pressure generator breaks down, people can also insert outside negative pressure mechanism through connect, realize the use of equipment, guarantee the normal use of equipment under various circumstances.

Description

Hemorrhoid ligation device

Technical Field

The utility model belongs to the field of medical instruments, and particularly relates to a hemorrhoid ligation device.

Background

Hemorrhoid ligation is a common method for treating hemorrhoids, and has good curative effect on common hemorrhoids. However, the hemorrhoid ligation operation which is clinically performed at present is usually completed by bare-handed operation of operators under local anesthesia or other anesthesia, which is time-consuming, laborious, difficult to expose and easy to cause bleeding and pain. In order to relieve the pain and the operation difficulty of patients, various methods, such as a negative pressure suction ligation method, are devised, and the negative pressure suction ligation method consists of a negative pressure suction head, a negative pressure generator, a connecting pipe and the like. Sucking hemorrhoid into the negative pressure suction head by the negative pressure generator, and simultaneously tying the rubber ring at the root of hemorrhoid to block blood circulation, so that hemorrhoid is necrotized and falls off due to ischemia. Because the negative pressure suction ligation method used at present is characterized in that the negative pressure generator is externally connected, namely, when an operation is implemented, the negative pressure suction head and the negative pressure generator are operated by two persons, so that the magnitude of the negative pressure is difficult to control, and the operation difficulty is increased.

Chinese patent: CN201610148816.8, name: the utility model provides a can launch negative pressure in succession and attract hemorrhoid ligature ware, it discloses a ligature ware, and it discloses a ligature ware that has cylinder and bleed valve, can establish the negative pressure that attracts hemorrhoid through the cylinder is manual, then carries out the ligature, releases pressure through the bleed valve after the ligature finishes, but this kind of equipment has a problem: when the cylinder fails, the whole ligature device cannot be used, and in addition, the ligature device is disposable equipment, so that the use cost for patients is high.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model designs the multifunctional hemorrhoid ligation apparatus which can manually generate negative pressure and can be externally connected with negative pressure equipment, and furthermore, for the same patient, the utility model can perform multiple ligation by replacing the external firing part, thereby reducing the use cost of the equipment and further reducing the treatment cost of the patient.

The technical scheme of the utility model is as follows:

hemorrhoid ligation device, it includes the ligation device casing to and install the firing mechanism on the ligation device casing and install the negative pressure subassembly in the ligation device casing, its characterized in that: the negative pressure assembly comprises a manual negative pressure generator positioned in a ligature device shell, and a negative pressure driving handle for driving the manual negative pressure generator is further connected to the ligature device shell; the device is characterized by further comprising a four-way component arranged in the ligature device shell and an external connector connected to the lower end of the ligature device shell, wherein the first end of the four-way component is connected with a firing mechanism, the second end of the four-way component is connected with the output end of the manual negative pressure generator, the third end of the four-way component is connected with the external connector, a one-way air inlet valve is further arranged between the third end and the external connector, the fourth end of the four-way component is exposed out of the ligature device shell, and a switch valve plate for controlling whether the fourth end is communicated with the atmosphere or not is arranged on the ligature device shell.

Further, the firing mechanism comprises an inner firing part positioned in the casing of the ligature device and an outer firing part detachably connected with the inner firing part, the inner firing part comprises a negative pressure pipe fixed in the casing of the ligature device, and one end of the negative pressure pipe is communicated with the first end of the four-way component; the other end of the negative pressure pipe is provided with an L-shaped clamping groove, a limiting step is formed in the negative pressure pipe close to the other end of the negative pressure pipe, a pushing pipe is sleeved on the outer side of the negative pressure pipe, a pushing block is arranged at the tail end of the pushing pipe, the negative pressure pipe further comprises a firing handle which is connected in the ligature device shell and extends out of the ligature device shell, the firing handle is connected with the pushing block, a reset spring is sleeved on the pushing pipe, one end of the reset spring abuts against the pushing block, the other end of the reset spring abuts against the ligature device shell, the outer firing part comprises an outer negative pressure pipe, one end of the outer negative pressure pipe is provided with a connecting section inserted into the negative pressure pipe, the surface of the connecting section is provided with a connecting protrusion matched with the L-shaped clamping groove, and after the outer firing part is connected with the negative pressure pipe, the end face of the connecting section of the outer negative pressure pipe abuts against the limiting step.

Further, the rear section of the outer negative pressure pipe is sleeved with a pushing ring, the front section of the outer negative pressure pipe is sleeved with a pushing ring, the pushing ring is connected with the pushing ring through a connecting sheet, and when the outer firing part is connected with the inner firing part, the end face of the pushing pipe abuts against the end face of the pushing ring.

Further, a guide groove is formed on the surface of the outer negative pressure pipe, and the connecting sheet is in sliding fit in the guide groove.

Further, a clamping seat is arranged on the surface of the pushing ring, an embedded groove with an opening is arranged on the clamping seat, and the elastic rope component is embedded and kept in the embedded groove.

Further, a sealing gasket is fixed on the limiting step.

Further, the manual negative pressure generator includes the negative pressure casing, is formed with circular valve pocket in the negative pressure casing, is equipped with first mounting hole in the center department of the negative pressure casing of the one end of valve pocket, still includes the valve piece that sets up in the valve pocket, the one end of valve piece is connected with the valve rod, the other end of valve rod stretches out from first mounting hole and is equipped with the negative pressure dog on the outside valve rod of negative pressure casing, the upper end of negative pressure actuating handle is formed with U type groove, the valve rod cooperation is in U type inslot, the terminal surface of negative pressure dog offsets with the terminal surface of U type groove, is equipped with induction port and gas vent on the negative pressure casing of the other end of valve pocket, the surface of the negative pressure casing that the induction port corresponds is equipped with the check valve that breathes in, and the check valve that breathes in is connected with the second end of cross component, the surface of the negative pressure casing that the gas vent corresponds still is equipped with the negative pressure spring in the valve pocket, negative pressure spring overlaps on the valve rod, the one end of negative pressure spring offsets with the valve piece, the other end offsets with the inner wall of the valve pocket that the first mounting hole goes out.

Further, a sealing cover is sleeved on the external connector.

In summary, the utility model has the following beneficial effects:

1. the hemorrhoid ligation device is improved, the four-way component is additionally arranged in the ligation device body, the firing mechanism is connected with the manual negative pressure generator, the external connector and the switch valve plate for controlling the four-way component to be communicated with the atmosphere, whether the pressure in the firing mechanism is released or not can be controlled through the switch valve plate, and when the manual negative pressure generator fails, people can also access the external negative pressure mechanism through the external connector, so that the equipment is used, and the normal use of the equipment under various conditions is ensured.

2. The utility model improves the firing mechanism and is divided into an inner firing part and an outer firing part, the inner firing part and the outer firing part can be disassembled, thereby realizing the purpose that the outer firing part can be replaced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model with a portion of the ligator housing removed;

FIG. 3 is a schematic front view of FIG. 2;

FIG. 4 is a schematic cross-sectional view of A-A in FIG. 3

FIG. 5 is an enlarged schematic view at B in FIG. 4;

FIG. 6 is a schematic view of the hemorrhoid ligation apparatus with the push tube and return spring removed;

FIG. 7 is a schematic perspective view of a manual negative pressure generator;

FIG. 8 is a schematic cross-sectional view of a manual negative pressure generator;

in the figure 1 is a ligature device housing,

2 is a firing mechanism, 20 is an inner firing part, 21 is an outer firing part, 200 is a negative pressure pipe, 201 is an L-shaped clamping groove, 202 is a limiting step, 203 is a pushing pipe, 204 is a pushing block, 205 is a firing handle, 206 is a reset spring, 207 is a sealing gasket, 210 is an outer negative pressure pipe, 211 is a connecting section, 212 is a connecting bulge, 213 is a pushing ring, 214 is a pushing ring, 215 is a connecting sheet, 2101 is a guide groove, 2130 is a clamping seat, 2131 is an embedded groove,

3 is a negative pressure component, 30 is a manual negative pressure generator, 31 is a negative pressure driving handle, 301 is a negative pressure shell, 302 is a valve cavity, 303 is a first mounting hole, 304 is a valve block, 305 is a valve rod, 306 is a negative pressure stop, 310 is a U-shaped groove, 307 is an air suction port, 308 is an air exhaust port, 3070 is an air suction one-way valve, 3080 is an air exhaust one-way valve, 309 is a negative pressure spring,

4 is a four-way component, and the four-way component is a four-way component,

5 is an external joint, 50 is a one-way air inlet valve, 51 is a sealing cover,

and 6 is a switch valve plate.

Description of the embodiments

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1, the hemorrhoid ligation apparatus comprises a ligation apparatus housing 1, a firing mechanism 2 installed on the ligation apparatus housing 1, and a negative pressure assembly 3 installed in the ligation apparatus housing 1, and is characterized in that: the negative pressure assembly 3 comprises a manual negative pressure generator 30 positioned in the ligature device shell, and the ligature device shell 1 is also connected with a negative pressure driving handle 31 for driving the manual negative pressure generator 30; the utility model provides a ligature ware casing 1, including setting up in the ligature ware casing 1 four way component 4 and one connect the external joint 5 at the lower extreme of ligature ware casing 1, the first end and the firing mechanism 2 of four way component 4 are connected, the second end and the manual negative pressure generator's of four way component 4 output 30 are connected, the third end and the external joint 5 of four way component 4 are connected, third end and external joint 5 between still be equipped with a one-way air inlet valve 50, the fourth end of four way component 4 expose in ligature ware casing 1, be equipped with the switch valve block 6 of whether control fourth end and atmospheric communication on the ligature ware casing 1.

The hemorrhoid ligation apparatus is improved, the four-way component is additionally arranged in the ligation apparatus shell, the four-way component comprises a four-way pipe body which is vertically arranged, the upper end of the four-way pipe body is a fourth end, the outlet of the four-way pipe body is sealed with the surface of the ligation apparatus shell, the lower end of the four-way pipe body is sealed, the side wall of the four-way pipe body is respectively provided with a first end, a second end and a third end, the connection of a firing mechanism and a manual negative pressure generator, an external connector and a switch valve plate for controlling the four-way component to be communicated with the atmosphere is realized through the four-way component, whether the pressure in the firing mechanism is released or not can be controlled through the switch valve plate, and when the manual negative pressure generator fails, people can also access an external negative pressure mechanism through the external connector, so that the normal use of the device under various conditions is ensured.

Furthermore, the firing mechanism 2 comprises an inner firing component 20 positioned in the casing of the ligature device and an outer firing component 21 detachably connected with the inner firing component, the firing mechanism in the embodiment adopts a sectional structural design, the outer firing component is replaceable, the repeated firing requirement of the same patient can be achieved through one ligature device, the medical cost of the patient is reduced, the inner firing component 20 comprises a negative pressure pipe 200 fixed in the casing 1 of the ligature device, and one end of the negative pressure pipe 200 is communicated with the first end of the four-way component; the other end of the negative pressure tube 200 is provided with an L-shaped clamping groove 201, a limit step 202 is formed in the negative pressure tube close to the other end of the negative pressure tube 200, a push tube 203 is sleeved outside the negative pressure tube 200, a push block 204 is arranged at the tail end of the push tube 203, the negative pressure tube further comprises a trigger handle 205 which is connected in the ligature device shell 1 and extends out of the ligature device shell 1, the trigger handle 205 is connected with the push block 204, a reset spring 206 is sleeved on the push tube 203, one end of the reset spring 206 abuts against the push block, the other end abuts against the ligature device shell, the outer trigger part 21 comprises an outer negative pressure tube 210, one end of the outer negative pressure tube 210 is provided with a connecting section 211 which is inserted into the negative pressure tube, a connecting protrusion 212 matched with the L-shaped clamping groove 201 is arranged on the surface of the connecting section 211, after the outer trigger part 21 is connected with the negative pressure tube 210, the end face of the connecting section abuts against the limit step 202, the trigger handle is used for acting on the push block to drive the push tube to move along the negative pressure tube, the outer part acts on the outer part in the moving process of the push tube, and the inner trigger part is completed, and the inner trigger part and the outer trigger part is connected with the outer part in a rotating mode, and the outer part is connected with the outer part in a rotating mode, and then the outer part is connected with the L-shaped clamping groove.

Further, the rear section of the outer negative pressure tube 210 is sleeved with a push ring 213, the front section of the outer negative pressure tube 213 is sleeved with a push ring 214, the push ring 213 is connected with the push ring 214 through a connecting sheet 215, when the outer firing component is connected with the inner firing component, the end face of the push tube 203 abuts against the end face of the push ring 213, the structure of the outer firing component is further limited, when the outer firing component is connected with the inner firing component, the firing handle drives the push tube to extend outwards when the firing handle works, the push tube simultaneously drives the push ring to move, and the push ring is transmitted through the connecting sheet, so that the position of the push ring at the front end of the outer negative pressure tube is realized, and the firing of the elastic wire sleeve tie ring is realized.

The surface of outer negative pressure pipe 210 be formed with guide slot 2101, connection piece 215 sliding fit is in the guide slot, and the guide slot that sets up is used for keeping the connection piece, guarantees that the motion of push ring can be reliably and stably transmitted for the push ring, avoids appearing the problem that the motion transmission that the connection piece bending deformation caused failed.

Further, the surface of the pushing ring 213 is provided with a clamping seat 2130, an open embedded groove 2131 is formed in the clamping seat 2130, the elastic rope component is embedded and kept in the embedded groove, and the arranged clamping seat can keep the elastic rope component without extra people, so that single person operation can be realized, and the use of the device is convenient.

Further, the sealing pad 207 is fixed on the limiting step 202, and when the connecting section of the outer firing component is inserted and matched, the sealing pad abuts against the end face of the connecting section, so that the tightness of the outer firing component after being connected with the inner firing component is improved, and the outer negative pressure pipe and the negative pressure pipe can be ensured to be capable of establishing stable and reliable pressure.

Further, the manual negative pressure generator 30 includes a negative pressure housing 301, a circular valve cavity 302 is formed in the negative pressure housing 301, a first mounting hole 303 is formed in the center of the negative pressure housing at one end of the valve cavity 302, the manual negative pressure generator further includes a valve block 304 disposed in the valve cavity 301, one end of the valve block 304 is connected with a valve rod 305, the other end of the valve rod 305 extends out of the first mounting hole 303, a negative pressure stop block 306 is disposed on the valve rod 305 outside the negative pressure housing, a U-shaped groove 310 is formed at the upper end of the negative pressure driving handle 31, the valve rod 305 is matched in the U-shaped groove, an end face of the negative pressure stop block 306 abuts against an end face of the U-shaped groove 310, an air suction port 307 and an air exhaust port 308 are disposed on the negative pressure housing at the other end of the valve cavity 302, an air suction check valve 3070 is disposed on the outer surface of the negative pressure housing 301 corresponding to the air suction port, an air exhaust check valve 3080 is disposed on the outer surface of the negative pressure housing corresponding to the air exhaust port 308, a negative pressure spring 309 is disposed in the valve cavity 302, the negative pressure spring 309 is sleeved on the valve rod 305, one end of the negative pressure stop block 309 abuts against the valve block 304, and the other end abuts against the inner wall of the valve cavity protruding from the first mounting hole; the structure of the manual negative pressure generator is described, the valve block reciprocates in the valve cavity under the action of the negative pressure driving handle and the negative pressure spring, the valve block is sealed with the inner wall of the valve cavity, when the valve block moves in the direction away from the air suction port, the air suction check valve is conducted, the air exhaust check valve is closed, the air in the negative pressure pipe is sucked into the valve cavity, when the valve block moves in the direction close to the air suction port, the air exhaust check valve is conducted, the air suction check valve is closed, the air sucked into the valve cavity is discharged into the atmosphere from the air exhaust check valve, so that the process of one negative pressure extraction is completed, and the purpose that the manual negative pressure sucks hemorrhoids by using the external negative pressure pipe can be achieved repeatedly.

Further, the external joint 5 on the cover be equipped with sealed cowling 51, sealed cowling is the sealed pipe of one end opening other end, and sealed cowling overlaps on external joint, forms sealed effect, on the one hand, can protect external joint, on the other hand, after one-way admission valve became invalid, sealed cowling also can be used for sealing external joint, guarantees that manual negative pressure generating device still can normally work to whole hemorrhoid ligation ware has been guaranteed and normal work can be done.

In summary, the utility model has the following beneficial effects:

Claims

1. Hemorrhoid ligation device, it includes the ligation device casing to and install the firing mechanism on the ligation device casing and install the negative pressure subassembly in the ligation device casing, its characterized in that: the negative pressure assembly comprises a manual negative pressure generator positioned in a ligature device shell, and a negative pressure driving handle for driving the manual negative pressure generator is further connected to the ligature device shell; the device is characterized by further comprising a four-way component arranged in the ligature device shell and an external connector connected to the lower end of the ligature device shell, wherein the first end of the four-way component is connected with a firing mechanism, the second end of the four-way component is connected with the output end of the manual negative pressure generator, the third end of the four-way component is connected with the external connector, a one-way air inlet valve is further arranged between the third end and the external connector, the fourth end of the four-way component is exposed out of the ligature device shell, and a switch valve plate for controlling whether the fourth end is communicated with the atmosphere or not is arranged on the ligature device shell.

2. The hemorrhoid ligation apparatus according to claim 1 wherein: the firing mechanism comprises an inner firing part and an outer firing part, the inner firing part is positioned in the casing of the ligature device, the outer firing part is detachably connected with the inner firing part, the inner firing part comprises a negative pressure pipe which is fixed in the casing of the ligature device, and one end of the negative pressure pipe is communicated with the first end of the four-way component; the other end of the negative pressure pipe is provided with an L-shaped clamping groove, a limiting step is formed in the negative pressure pipe close to the other end of the negative pressure pipe, a pushing pipe is sleeved on the outer side of the negative pressure pipe, a pushing block is arranged at the tail end of the pushing pipe, the negative pressure pipe further comprises a firing handle which is connected in the ligature device shell and extends out of the ligature device shell, the firing handle is connected with the pushing block, a reset spring is sleeved on the pushing pipe, one end of the reset spring abuts against the pushing block, the other end of the reset spring abuts against the ligature device shell, the outer firing part comprises an outer negative pressure pipe, one end of the outer negative pressure pipe is provided with a connecting section inserted into the negative pressure pipe, the surface of the connecting section is provided with a connecting protrusion matched with the L-shaped clamping groove, and after the outer firing part is connected with the negative pressure pipe, the end face of the connecting section of the outer negative pressure pipe abuts against the limiting step.

3. The hemorrhoid ligation apparatus according to claim 2 wherein: the outer negative pressure pipe is characterized in that a pushing ring is sleeved on the rear section of the outer negative pressure pipe, a pushing ring is sleeved on the front section of the outer negative pressure pipe, the pushing ring is connected with the pushing ring through a connecting sheet, and when the outer firing part is connected with the inner firing part, the end face of the pushing pipe abuts against the end face of the pushing ring.

4. The hemorrhoid ligation apparatus according to claim 3 wherein: the surface of the outer negative pressure pipe is provided with a guide groove, and the connecting sheet is in sliding fit in the guide groove.

5. The hemorrhoid ligation apparatus according to claim 4 wherein: the surface of the push ring is provided with a clamping seat, the clamping seat is provided with an embedded groove with an opening, and the elastic rope component is embedded and kept in the embedded groove.

6. The hemorrhoid ligation apparatus according to claim 2 wherein: and a sealing gasket is fixed on the limiting step.

7. The hemorrhoid ligation apparatus according to claim 1 wherein: the manual negative pressure generator comprises a negative pressure shell, a circular valve cavity is formed in the negative pressure shell, a first mounting hole is formed in the center of the negative pressure shell at one end of the valve cavity, the manual negative pressure generator further comprises a valve block arranged in the valve cavity, one end of the valve block is connected with a valve rod, the other end of the valve rod extends out of the first mounting hole and is provided with a negative pressure stop block on the valve rod outside the negative pressure shell, a U-shaped groove is formed at the upper end of the negative pressure driving handle, the valve rod is matched in the U-shaped groove, the end face of the negative pressure stop block abuts against the end face of the U-shaped groove, an air suction port and an air exhaust port are formed in the negative pressure shell at the other end of the valve cavity, an air suction one-way valve is arranged on the outer surface of the negative pressure shell corresponding to the air suction port, an air suction one-way valve is connected with the second end of the four-way assembly, an air exhaust one-way valve is arranged on the outer surface of the negative pressure shell corresponding to the air exhaust port, a negative pressure spring is further arranged in the valve cavity, the negative pressure spring is sleeved on the valve rod, one end of the negative pressure spring abuts against the valve block, and the other end of the negative pressure spring abuts against the inner wall of the valve cavity out of the first mounting hole.

8. The hemorrhoid ligation apparatus according to claim 1 wherein: the external connector is sleeved with a sealing cover.