CN203001030U

CN203001030U - Loop ligature device for minimally invasive treatment of piles

Info

Publication number: CN203001030U
Application number: CN 201220653293
Authority: CN
Inventors: 陈雨平; 胡祥忠; 史明俊
Original assignee: Prius Star (changzhou) Medical Equipment Co
Current assignee: Prius Star (changzhou) Medical Equipment Co
Priority date: 2012-12-03
Filing date: 2012-12-03
Publication date: 2013-06-19
Anticipated expiration: 2022-12-03

Abstract

The utility model relates to a loop ligature device for minimally invasive treatment of piles, which has a gun-shaped main body and comprises a left cover plate, a right cover plate, a continuous shooting mechanism for continuously performing loop ligature on focal tissues, a negative pressure mechanism for providing continuous negative pressure for the continuous shooting mechanism, and a pressure relieving mechanism for performing pressure relieving on the continuous shooting mechanism; the left and right cover plates are assembled to form a gun shell, the continuous shooting mechanism is arranged in a gun barrel, the negative pressure mechanism is arranged in a gun bore, the pressure relieving mechanism is arranged in a gun handle, and the pressure relieving mechanism and the pressure negative mechanism are respectively communicated with the continuous shooting mechanism by an air pipe. The loop ligature device can be used for treating larger foal tissues and realizes multiple times of loop ligature, the continuity is improved, time is saved, and pain of a patient is reduced.

Description

Hemorrhoid minimally-invasive treatment looping and binding device

Technical field

This utility model relates to technical field of medical instruments, especially a kind of hemorrhoid minimally-invasive treatment looping and binding device.

Background technology

Hemorrhoid are a kind of chronic diseases of the vein group of the venous plexus generation varicose of anal orifice and rectal intestine bottom and anal mucosa and one or more softnesses of forming, medical science is for the Therapeutic Method of hemorrhoid now, the methods that adopt excision more, the method expense is high, the post-surgical trauma area is large, patient's hurt like hell, Given this plant reason, in clinical treatment, begin to adopt haemorrhoids ligation apparatus, this haemorrhoids ligation apparatus is to hold the hemorrhoid lesion tissue by negative pressure, then pricks with rubber ring sleeve, tissue under rubber ring will be gradually because the blood necrosis that do not circulate comes off, finally excrete.

On the market some haemorrhoids ligation apparatus adopt the hand-held gun formula more now, and this looping and binding device is merely able to a negative pressure on earth when work, do not put in place in case lesion tissue is adsorbed, and just need operation again, have so just increased patient's psychological burden, are disadvantageous to treatment; On the other hand, traditional haemorrhoids ligation apparatus is merely able to fill a set rolling circle and overlaps bundle, can not realize the running fire function, common looping and binding device is if realize that cover is pricked continuously, must reinstall a set rolling circle and operate again, so repeatedly increase operating time, increase patient painful.

application number is 201010611509.1 to disclose a kind of Wicresoft automatic ligation device of hemorrhoids, it comprises the rifle shell, negative pressure straw, movable ejector sleeve, pushing block, the pushing set holder, the suction nozzle holder, pushing set, suction nozzle, the negative pressure cylinder, negative-pressure handle, driving handle and relief valve, this utility model has realized continuous negative pressure, only need once-through operation to suck the hemorrhoid pathological tissues in suction nozzle fully, do not need again to operate, alleviate patient's misery, also increased simultaneously protection negative pressure eliminating device, facilitated the separation of lesion tissue, when but this utility model is pricked lesion tissue at cover, to press to realize that by driving handle the set rolling circle on suction nozzle shifts onto on lesion tissue, this utility model can only once be overlapped the mutual aid system devised for poor peasants and be done, poor continuity, this utility model has negative-pressure handle and driving handle simultaneously, device integral body looks complicated, structure is reasonable not, and can there be the situation of interfering hands in medical personnel's problem due to two handles when operation, not succinctly convenient.

The utility model content

The technical problems to be solved in the utility model is: prick the deficiency that can not realize the running fire function in order to overcome the cover of set rolling circle in prior art, a kind of hemorrhoid minimally-invasive treatment looping and binding device is provided, it can continuous negative pressure and eliminates negative pressure, and cover is pricked and can be carried out continuously, and is convenient and swift.

the technical scheme that its technical problem that solves this utility model adopts is: a kind of hemorrhoid minimally-invasive treatment looping and binding device, described looping and binding device main body is rifle shape, it comprises left cover, the right cover plate, be used for continuously cover and prick the continuous firing mechanism of lesion tissue, for the negative pressure mechanism of continuous firing mechanism continuous negative pressure be the pressure relief mechanism of continuous firing mechanism pressure release, form the rifle shell after described left cover and the assembling of right cover plate, described continuous firing mechanism is installed in gun barrel, described negative pressure mechanism is located in bore, described pressure relief mechanism is located in the small of the stock, described pressure relief mechanism and negative pressure mechanism are communicated with continuous firing mechanism by trachea respectively.

improve further, described continuous firing mechanism comprises negative pressure straw, trocar sheath, connecting rod, ratchet bar, pushing sleeve pulls out button and extension spring, described trocar sheath is inserted in gun barrel, be positioned at the outer trocar sheath end interference fit of gun barrel pushing sleeve is arranged, described negative pressure straw is arranged in trocar sheath and pushing sleeve, the afterbody that is positioned at the negative pressure straw of gun barrel is fixed on the rifle shell, the negative pressure straw afterbody also has an isocon, be sliding combined with the lasso cartridge in described pushing sleeve, described lasso cartridge and negative pressure straw head are fixed, described lasso cartridge head cover has multiple rubber ring, separate by packing ring between described multiple rubber ring, described trocar sheath root is fixedly connected with connecting rod, the connecting rod root is fixedly connected on the ratchet bar end, have continuous jagged tooth mouth on the end face of described ratchet bar afterbody, described looping and binding device gun barrel afterbody has opening, pushing sleeve pulls out button and is placed in opening, pushing sleeve pulls out the button front end and is connected in the tooth mouth of ratchet bar by bearing pin, it is hinged with the ratchet bar end face that pushing sleeve pulls out button middle part, described extension spring one end is fixed on ratchet bar and connecting rod bearing, the extension spring other end is fixed on the gun barrel medium position place of rifle shell,

Described negative pressure mechanism comprises negative pressure cylinder, connecting rod and negative-pressure handle, described negative pressure cylinder comprises cylinder body and is located at the interior piston rod of cylinder body, described piston rod external part and connecting rod one end are hinged, the connecting rod other end and negative-pressure handle one end are hinged, described negative-pressure handle middle part is hinged on the rifle shell, and described negative pressure tail cylinder is provided with the first negative pressure connection tube and the second negative pressure connection tube;

Described pressure relief mechanism comprises one-way exhaust valve and venting button, described venting button middle part is installed with valve rod, described valve rod is plugged in one-way exhaust valve, be provided with the stage clip that plays reset response that is sleeved on valve rod between one-way exhaust valve and venting button, described venting button head is arranged at outside the small of the stock;

Described isocon is communicated with the first negative pressure connection tube, and the second negative pressure connection tube is communicated to the valve port of one-way exhaust valve.

because the end face of ratchet bar is provided with continuous jagged tooth mouth, pushing sleeve pulls out the button front end and is connected in the tooth mouth of ratchet bar by bearing pin, it is hinged with the ratchet bar end face that pushing sleeve pulls out button middle part, because extension spring is in extended state, pushing sleeve pulls out on button and is stuck in the tooth mouth by bearing pin, limit the movement of ratchet bar, also namely limited the movement of trocar sheath, after putting several rubber rings, thumb is pressed pushing sleeve and is pulled out button, the restriction of ratchet bar is disengaged, at this moment move the position of a tooth mouth, because the effect of extension spring moves forward ratchet bar, thereby push away rubber ring, cover is pricked lesion tissue, circulation successively, realize running fire.

For the ease of the operation illumination, described negative pressure straw head interference fit has LED lamp bracket cover, described LED lamp bracket cover outer wall and lasso cartridge inwall interference fit, described LED lamp bracket cover head is provided with the LED luminous tube, described small of the stock bottom arranges the cell panel of promising LED luminous tube power supply, and described cell panel bottom is provided with the LED lamp switch.

Described rubber ring has four, and four sawtooth are arranged on described tooth mouth.Spacing between every sawtooth is set to rubber ring sleeve is pricked to lesion tissue.

The beneficial effects of the utility model are compared with prior art, to the utlity model has following advantage:

1, seriality: this utility model is by loading onto multiple rubber ring on ejector sleeve, then by the propulsion plant in the transformation gun barrel, namely adopt ratchet bar, opening continuous jagged tooth mouth on the flank of tooth, thumb is pressed downwards and is promoted to pull out button, make promotion pull out button and advance one by one under the effect of extension spring, often walk a tooth mouth, namely successfully cover is pricked a rubber ring, realize thus the running fire function, strengthen work efficiency, save time, reduce the patient suffering.

2, convenience: traditional cover is pricked and is adopted driving handle to promote trocar sheath, realize cover bundle function, and this utility model has been cancelled the design of driving handle, directly the effect by tension spring tension makes trocar sheath promote, namely realize running fire, prevented again the problem of the card hand that dual-handle design is brought, convenience improves, and outward appearance is also exquisiter simultaneously.

3, simple in structure: as to be not only and to have cancelled simple in structure that driving handle brings, and also optimize aspect gas circuit, pressure relief mechanism only adopts one-way exhaust valve to get final product, and the one-way exhaust valve valve port only need be drawn a trachea and be received on the negative pressure cylinder, it is simple that gas circuit becomes, and effect is as before.

Description of drawings

Below in conjunction with drawings and Examples, this utility model is further illustrated.

Fig. 1 is the structural representation of hemorrhoid minimally-invasive treatment looping and binding device of the present utility model;

Fig. 2 is the structural representation of ratchet bar of the present utility model;

Fig. 3 is the tomograph of hemorrhoid minimally-invasive treatment looping and binding device of the present utility model.

in figure: 1. left cover, 2. right cover plate, 3. continuous firing mechanism, 31. negative pressure straw, 311. isocon, 32. trocar sheath, 33. connecting rod, 34. ratchet bar, 341. tooth mouth, 35. promote to pull out button, 36. extension spring, 37. pushing sleeve, 38. lasso cartridge, 39.LED lamp bracket cover, 4. negative pressure mechanism, 41. negative pressure cylinder, 411. cylinder body, 412. piston rod, 413. the first negative pressure connection tube, 414. the second negative pressure connection tube, 42. connecting rod, 43. negative-pressure handle, 5. pressure relief mechanism, 51. one-way exhaust valve, 52. venting button, 53. stage clip, 54. valve rod, 6. rubber ring, 7. packing ring, 8. cell panel, 9.LED lamp switch, 10. fixed block.

The specific embodiment

By reference to the accompanying drawings this utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with this utility model.

Embodiment

with reference to figure 1 Fig. 2 Fig. 3, looping and binding device main body of the present utility model is rifle shape, it comprises left cover 1, right cover plate 2, be used for continuously cover and prick the continuous firing mechanism 3 of lesion tissue, for the negative pressure mechanism 4 of continuous firing mechanism 3 continuous negative pressures be the pressure relief mechanism 5 of continuous firing mechanism 3 pressure releases, form the rifle shell after

left cover

1 and 2 assemblings of right cover plate, continuous firing mechanism 3 is installed in gun barrel, negative pressure mechanism 4 is located in bore, pressure relief mechanism 5 is located in the small of the stock, pressure relief mechanism 5 and negative pressure mechanism 4 are communicated with continuous firing mechanism 3 by trachea respectively, continuous firing mechanism 3 comprises negative pressure straw 31, trocar sheath 32, connecting rod 33, ratchet bar 34, pushing sleeve pulls out button 35 and extension spring 36, trocar sheath 32 is inserted in gun barrel, be positioned at the outer trocar sheath 32 end interference fit of gun barrel pushing sleeve 37 is arranged, negative pressure straw 31 is arranged in trocar sheath 32 and pushing sleeve 37, the afterbody that is positioned at the negative pressure straw 31 of gun barrel is fixed on the rifle shell by fixed block 10, negative pressure straw 31 afterbodys also have an isocon 311, be sliding combined with lasso cartridge 38 in pushing sleeve 37, lasso cartridge 38 is fixed with negative pressure straw 31 heads, lasso cartridge 38 head covers have 4 rubber rings 6, separate by packing ring 7 between 4 rubber rings 6, trocar sheath 32 roots are fixedly connected with connecting rod 33, connecting rod 33 roots are fixedly connected on ratchet bar 34 ends, have continuous jagged tooth mouth 341 on the end face of ratchet bar 34 afterbodys, four sawtooth are arranged on tooth mouth 341, spacing between every sawtooth is set to enough make rubber ring sleeve to prick to lesion tissue, looping and binding device gun barrel afterbody has opening, pushing sleeve pulls out button 35 and is placed in opening, pushing sleeve pulls out button 35 front ends and is connected in the tooth mouth 341 of ratchet bar 34 by bearing pin, pushing sleeve pull out button 35 middle parts and ratchet bar 34 end faces hinged, extension spring 36 1 ends are fixed on ratchet bar 34 and connecting rod 33 bearings, extension spring 36 other ends are fixed on the gun barrel medium position place of rifle shell,

Negative pressure mechanism 4 comprises negative pressure cylinder 41, connecting rod 42 and negative-pressure handle 43, negative pressure cylinder 41 comprises cylinder body 411 and is located at the interior piston rod 412 of cylinder body 411, piston rod 412 external parts and connecting rod 42 1 ends are hinged, connecting rod 42 other ends and negative-pressure handle 43 1 ends are hinged, negative-pressure handle 43 middle parts are hinged on the rifle shell, and negative pressure cylinder 41 afterbodys are provided with the first negative pressure connection tube 413 and the second negative pressure connection tube 414;

Pressure relief mechanism 5 comprises one-way exhaust valve 51 and venting button 52, venting button 52 middle parts are installed with valve rod 54, valve rod 54 is plugged in one-way exhaust valve 51, be provided with the stage clip 53 that plays reset response that is sleeved on valve rod 54 between one-way exhaust valve 51 and venting button 52, venting button 52 heads are arranged at outside the small of the stock;

Isocon 311 is communicated with the first negative pressure connection tube 413, and the second negative pressure connection tube 414 is communicated to the valve port of one-way exhaust valve 51.

For the ease of the operation illumination, negative pressure straw 31 head interference fit have LED lamp bracket cover 39, LED lamp bracket cover 39 outer walls and lasso cartridge 38 inwall interference fit, LED lamp bracket cover 39 heads are provided with the LED luminous tube, small of the stock bottom arranges the cell panel 8 of promising LED luminous tube power supply, and cell panel 8 bottoms are provided with LED lamp switch 9.

below set forth operation principle of the present utility model, at first be that lasso cartridge 38 in the design is aimed at lesion tissue with the suction nozzle of looping and binding device, then pull continuously negative-pressure handle 43, carry out negative pressure, then thumb is pressed downwards and is promoted to pull out button 35, at this moment promoting to pull out button 35 is rotated counterclockwise, bearing pin is pushed, and sawtooth is most advanced and sophisticated to be located, ratchet bar 34 is due to the effect of extension spring 36 pulling force, the jaggy pitch of advancing forward, driving connecting rod 33 advances, and then drive trocar sheath 32 advances, the final pushing sleeve 37 that drives advances, so just smoothly rubber ring 6 pushed away and overlap and prick on lesion tissue, if also will continue cover pricks, only need again press and promote to pull out button 35 and can overlap for the second time bundle, thereby realized the function that a multiple cover of secondary looping and binding device is pricked, cover is pricked efficient and is greatly improved, saved material cost, manufacturing cost, after cover ligation bundle, press venting button 52, valve rod 54 marches forward, one-way exhaust valve 51 is opened, connect with atmosphere, it is normal that air pressure recovers, then can take off looping and binding device.

Claims

1. hemorrhoid minimally-invasive treatment looping and binding device, it is characterized in that: described looping and binding device main body is rifle shape, it comprises left cover (1), right cover plate (2), be used for continuously cover and prick the continuous firing mechanism (3) of lesion tissue, for the negative pressure mechanism (4) of continuous firing mechanism (3) continuous negative pressure be the pressure relief mechanism (5) of continuous firing mechanism (3) pressure release, form the rifle shell after described left cover (1) and right cover plate (2) assembling, described continuous firing mechanism (3) is installed in gun barrel, described negative pressure mechanism (4) is located in bore, described pressure relief mechanism (5) is located in the small of the stock, described pressure relief mechanism (5) and negative pressure mechanism (4) are communicated with continuous firing mechanism (3) by trachea respectively.

2. hemorrhoid minimally-invasive treatment looping and binding device as claimed in claim 1, it is characterized in that: described continuous firing mechanism (3) comprises negative pressure straw (31), trocar sheath (32), connecting rod (33), ratchet bar (34), pushing sleeve pulls out button (35) and extension spring (36), described trocar sheath (32) is inserted in gun barrel, be positioned at outer trocar sheath (32) the end interference fit of gun barrel pushing sleeve (37) is arranged, described negative pressure straw (31) is arranged in trocar sheath (32) and pushing sleeve (37), the afterbody that is positioned at the negative pressure straw (31) of gun barrel is fixed on the rifle shell, negative pressure straw (31) afterbody also has an isocon (311), be sliding combined with lasso cartridge (38) in described pushing sleeve (37), described lasso cartridge (38) is fixed with negative pressure straw (31) head, described lasso cartridge (38) head cover has multiple rubber ring (6), separate by packing ring (7) between described multiple rubber ring (6), described trocar sheath (32) root is fixedly connected with connecting rod (33), connecting rod (33) root is fixedly connected on ratchet bar (34) end, have continuous jagged tooth mouth (341) on the end face of described ratchet bar (34) afterbody, described looping and binding device gun barrel afterbody has opening, pushing sleeve pulls out button (35) and is placed in opening, pushing sleeve pulls out button (35) front end and is connected in the tooth mouth (341) of ratchet bar (34) by bearing pin, it is hinged with ratchet bar (34) end face that pushing sleeve pulls out button (35) middle part, described extension spring (36) one ends are fixed on ratchet bar (34) and connecting rod (33) bearing, extension spring (36) other end is fixed on the gun barrel medium position place of rifle shell,

Described negative pressure mechanism (4) comprises negative pressure cylinder (41), connecting rod (42) and negative-pressure handle (43), described negative pressure cylinder (41) comprises cylinder body (411) and is located at the interior piston rod (412) of cylinder body (411), described piston rod (412) external part and connecting rod (42) one ends are hinged, connecting rod (42) other end and negative-pressure handle (43) one ends are hinged, described negative-pressure handle (43) middle part is hinged on the rifle shell, and described negative pressure cylinder (41) afterbody is provided with the first negative pressure connection tube (413) and the second negative pressure connection tube (414);

Described pressure relief mechanism (5) comprises one-way exhaust valve (51) and venting button (52), described venting button (52) middle part is installed with valve rod (54), described valve rod (54) is plugged in one-way exhaust valve (51), be provided with the stage clip (53) that plays reset response that is sleeved on valve rod (54) between one-way exhaust valve (51) and venting button (52), described venting button (52) head is arranged at outside the small of the stock;

Described isocon (311) is communicated with the first negative pressure connection tube (413), and the second negative pressure connection tube (414) is communicated to the valve port of one-way exhaust valve (51).

3. hemorrhoid minimally-invasive treatment looping and binding device as claimed in claim 2, it is characterized in that: described negative pressure straw (31) head interference fit has LED lamp bracket cover (39), described LED lamp bracket cover (39) outer wall and lasso cartridge (38) inwall interference fit, described LED lamp bracket cover (39) head is provided with the LED luminous tube, described small of the stock bottom arranges the cell panel (8) of promising LED luminous tube power supply, and described cell panel (8) bottom is provided with LED lamp switch (9).

4. hemorrhoid minimally-invasive treatment looping and binding device as claimed in claim 2 or claim 3, it is characterized in that: described rubber ring (6) has four, and four sawtooth are arranged on described tooth mouth (341).