CN86204283U - Multi-functional internal hemorrhoid ligaturing gun - Google Patents

Abstract

The multi-functional internal hemorrhoid ligating device of the utility model belongs to the medical appliance. The utility model which is pistol-shaped is composed of a negative-pressure producing system, a pushing-ligating and pressure eliminating system, a body, a handle, a casing, etc. The improvement of the utility model comprises that a soft valve with sealing structure is adopted, a complete set of pushing mechanism is designed, and a foreign substance bottle and a single direction channel are added. The negative-pressure produced can reach a negative atmospheric pressure, and the operation of sucking and ligating can be finished in 5 seconds; the patients need not the local anesthesia, do not bleed and have not the sequelae. The utility model which is suitable for the barron ligation for treating the internal hemorrhoid can do the inspection for treating the rectal polyp, the hydrothorax, the odinopoeia, the anus suction, etc.

Description

Multi-functional internal hemorrhoid ligaturing gun

This utility model relates to a kind of improved medical suction and ligature device, particularly pistol-like that can be used for clinical suction, cover, the art of pricking the hand, be applicable to that cushion rubber inhales the suction and ligature device of hypodesmus treatment hemorrhoid.

Hemorrhoid are common anal and intestinal diseases, the domestic and international at present treatment hemorrhoid especially effective ways a kind of commonly used of internal hemorrhoid are Barron ligations, with special looping and binding device tool rubber ring is placed in the hemorrhoid basilar part, utilize the blood fortune of the elasticity erasement blocking-up hemorrhoid of rubber ring, make it produce ischemic necrosis and come off gradually, wound tissue reparation and healing.Early stage looping and binding device tool is that pincers draw looping and binding device, and two people operation must be arranged, and earlier affected part is carried out local anaesthesia, and a human pliers is clamped internal hemorrhoid and pulled out anus, and the rubber snare that another people will be enclosed within on the apparatus is pricked at the hemorrhoid basilar part.Developed into the suction Barron ligation afterwards, promptly earlier internal hemorrhoid held with producing means for applying negative, again with plastic loop ligation at the hemorrhoid basilar part.It is external often to produce means for applying negative, steps on suction pump etc. as electric suction apparatus, foot.Recent years is domestic the suction and ligature device that carries negative pressure system.Hengshui, Hebei province county hospital was introduced withered hemorrhoid rifle looping and binding device, and the rifle body is relatively heavier, attracted the cover bundle time longer, needed one minute approximately.A kind of improved, possess suction, cover simultaneously, the suction and ligature device of pricking function is Nanjin Machinery Inst. in 1979 and the pistol-shaped internal hemorrhoid-hitching and-tying apparatus of Jianye District hospital joint research and development.This looping and binding device is by producing negative pressure system, pushing away bundle---and disappear pressing system and body, handle, outer housing are formed, producing negative pressure system and comprise cylinder, vacuum check valve, leather cup pull bar, suction pipe, suction nozzle, rocking bar, big trigger etc., push away bundle---the pressing system that disappears comprises pushing mechanism, disappearing presses air tube, little trigger etc.This looping and binding device is because check valve adopts the cylinder type hard sealing structure, cylinder is manufactured in addition, body is spliced by two block of material, therefore cylinder has gas leak phenomenon, the negative pressure that produces extremely reaches-450mmHg, and can not keep certain hour, can not satisfy the operation needs, cylinder is made in addition by metal material in addition, also increases the weight of cost and looping and binding device; Because pushing mechanism is that iron plate is welded on the ferrum pushing sleeve, iron plate hangs over the outside by hook, and welding portion is not firm, and folding falls in operation easily, and hook also often slips out, and disappearing presses the air tube poor sealing, and it is bad therefore to push away the bundle performance; Because suction nozzle is that spiral is connected with suction pipe, so dirt puts after clinging and takes off inconvenience; Because the dirt that enters from suction nozzle does not have special collection, so dirt often sticks on each parts, even stops up path, and is difficult to remove; Owing to be not with vacuum table, therefore can't learn vacuum magnitude, can not need control vacuum magnitude freely by operation.

The purpose of this utility model is to overcome above shortcoming, design and a kind ofly produce that negative pressure reaches requirements of operation, the pressure that the disappears time is controlled, inhale, cover, prick hemorrhoid suction and ligature device accurate, easy to use rapidly, simultaneously, use the suction nozzle of different size instead, mix corresponding accessory, this suction and ligature device also can be used for treating diseases such as rectal polyp, colpopolypus, hemorrhage of rectum, simple property proctoptosis, hydrothorax, can also carry out induced labor, inhales the anus inspection, inhale expectorant etc.

This utility model is to the generation negative pressure system of hemorrhoid looping and binding device and push away that bundle---the pressing system that disappears has carried out comprehensive improvement, the change that the structure and the pushing mechanism of check valve have been made essence especially.At first, change the hard sealing structure of check valve into soft sealing structure, the leather cup pull bar changes into hollow, has increased the valve rod of vacuum check valve, and valve rod inserts among the leather cup pull bar; Also having, push away bundle---the pushing mechanism in the pressing system that disappears is made of a whole set of parts such as pushing block, spring, push rod, push pedal, set screw, ejector sleeve, pushing sleeves now, and the press mechanism that disappears is the pressure check valve that disappears that adopts soft sealing structure; Have again, addition the foreign body bottle, designed an end and connected suction nozzle, an end and enter foreign body bottle and and the half-duplex channel that communicates of cylinder.

Specify below in conjunction with the structure and the improvement of accompanying drawing this suction and ligature device.Fig. 1 is this suction and ligature device general illustration, and Fig. 2 is the profile of dotted line right-hand component among Fig. 1, and Fig. 3 is the profile of dotted line left-hand component among Fig. 1.(1) is handle among the figure, and (3) are body, and (2) are outer housing, (6) be vacuum check valve, (9) are the vacuum check valve bar, and (7) are the leather cup pull bar, (10) be cylinder, (11) be rocking bar, (12) are big trigger, and (18) are half-duplex channel, (19) be the foreign body bottle, (13) be little trigger, (8) are pushing block, and (14) are push rod, (25) be spring in the pushing mechanism, (26) be the pressure check valve that disappears, (27) are no good, and (24) are set screw, (20) be suction nozzle, (21) be pushing sleeve, (22) are suction pipe, and (23) are ejector sleeve.

The soft sealing structure of so-called check valve comprises spool (17), spring (15) and " zero " shape circle (16), and leather cup pull bar (7) can slide outside vacuum check valve valve rod (9) now in addition, is subjected to guide effect, has improved the sealing of valve greatly.Pushing block in the pushing mechanism (8), push rod (14), spring (25) etc. all are contained in body interior, push pedal (27) is a unitary construction with ejector sleeve (23), the distance that push pedal is released is subjected to the adjusting control of screw (24), disappear and press the valve rod (29) of valve to be connected, so screw (24) also is used for regulating the length of pressure time of disappearing with push pedal (27).Between suction nozzle (20) and the suction pipe (22), socket-connect by certain taper between pushing sleeve (21) and the ejector sleeve (23), put and take off easily, pushing sleeve, ejector sleeve wrap in outside suction nozzle, the suction pipe, the internal diameter of pushing sleeve and the external diameter of suction nozzle differ very small, pushing sleeve can slide on suction nozzle, both can (28 had released easily, and cushion rubber is stuck in pushing sleeve and the suction nozzle gap with cushion rubber.The position of pushing sleeve and suction nozzle relation is such: when suction nozzle (20) and pushing sleeve (21) tighten respectively after suction pipe (22) and ejector sleeve (23) port, suction nozzle grows 3～4mm than ejector sleeve, after pushing sleeve is shifted onto the end by ejector sleeve, pushing sleeve grows about 1mm than suction nozzle, and pushing sleeve mouth edge requires smooth smooth, so just in time cushion rubber is released and be enclosed within the hemorrhoid basilar part, and don't can damage the affected part surrounding tissue.Can select suitable foreign body bottle (19) for use according to the difference of operation content, be that helical structure is tightly connected between it and the body, in order to guarantee sealing, accompanies packing ring in the junction.As shown in Figure 2, half-duplex channel (18) is two, if only half-duplex channel also can, it communicates with cylinder (10), the dirt that enters suction nozzle enters the foreign body bottle by half-duplex channel, and can not enter cylinder.To give birth to negative pressure in order improving, to save cost again simultaneously, this suction and ligature device directly utilizes intrinsic cavity as cylinder, and like this, volume of cylinder obtains increasing, and whole timber material of this body and function just can be made, and has also alleviated the weight of suction and ligature device.As shown in Figure 1,, be connected to vacuum table (4), give the operator with demonstration directly perceived in the upper end of half-duplex channel (18) in order to grasp the size of negative pressure that this suction and ligature device produces at any time.This suction and ligature device can carry illuminator, and as shown in Figure 1, this illuminator can be installed in the top of body (3) and ejector sleeve (23) intersection.

When inhaling hypodesmus treatment hemorrhoid, grasp this suction and ligature device handle (1), utilize the illuminator of anoscope and this suction and ligature device with cushion rubber, suction nozzle (20) is aimed at affected part, pull big trigger earlier, observe the vacuum table pointer and change, reaching required negative pressure value promptly stops to pull, this moment, hemorrhoid were held, and pulled little trigger then, by the effect of pushing mechanism the cushion rubber (28) of pushing sleeve front end were released, cover is pricked at the hemorrhoid basilar part, disappear simultaneously and press valve (26) to open, air inlet pressures that disappear, suction nozzle (20) and hemorrhoid disengaging.Inhaling, push away, prick whole process can finish about 5 seconds, and only pushing away, prick needed about 1 second.This suction and ligature device produces the negative pressure maximum and can reach-760mmHg, and speed is fast, and the patient does not feel pain in the operation process, and is not hemorrhage, and without local anaesthesia, the applicant once carried out the operation of 2500 many cases in person, and effect is better, does not have sequela.

This suction and ligature device is except spool, rocking bar, leather cup pull bar, push rod, pushing block, suction pipe, spring, screw etc. will be manufactured with metal material, remaining part can be manufactured with materials such as metal or lucites, but preferably manufacture with plastics, make that this suction and ligature device is in light weight, cost is low, outward appearance is beautiful, do not influence service life.

Need to prove, want earlier rubber ring to be set on the suction nozzle before inhaling the art of pricking the hand, also there is not the ideal cushion rubber device of going up in the prior art, as one of adnexa of this suction and ligature device, here designed a kind of cushion rubber device of going up easily, Fig. 4 goes up cushion rubber device profilograph, it is by cylindrical shape handle (1), disc-shaped base (2) and shell (3) are formed, return spring (4) and return piece (5) are arranged in the handle, there is taper hole (8) at the base center, around the hole 4 slide blocks (6) are arranged, compression spring (7) is arranged between slide block and the base edge, during use cushion rubber (10) is enclosed within on cushion rubber awl (9) tip, to bore the point insertion goes up in the cushion rubber device centre hole of base, cushion rubber awl bottom is aimed at the suction nozzle of suction and ligature device, and the hand-held cushion rubber device handle of going up is pressed to cushion rubber awl bottom with cushion rubber, until being enclosed within on the suction nozzle.

Embodiment: make rocking bar, push rod, pushing block, spring, screw etc. with steel, make leather cup pull bar, spool and suction pipe with copper material, suction nozzle, pushing sleeve, foreign body bottle are made with the AS plastics, remaining part is made with ABS plastic, and the suction nozzle internal diameter has three kinds of specification: 9mm, 11mm, 13mm, the long 280mm of rifle body, high 180mm, thick 28mm in weight 300 grams, selects 40mm ,-1 atmospheric pressure vacuum table for use.

Claims (8)

1, a kind of hands that can be used for clinical suction, cover, the art of pricking the hand is robbed the shape suction and ligature device, be specially adapted to hemorrhoid and inhale the bundle treatment, it is by producing negative pressure system, pushing away parts such as pricking-disappear pressing system and body, handle, outer housing and form, produce negative pressure system and comprise cylinder, vacuum check valve, leather cup pull bar, suction pipe, suction nozzle, rocking bar, big trigger etc., pushing away pricking-pressing system that disappears comprises pushing mechanism, the little trigger of press mechanism etc. disappears, it is characterized in that: (1), vacuum check valve adopt soft sealing structure, and its valve rod inserts in the hollow leather cup pull bar; (2), pushing away the pushing mechanism of pricking-disappearing in the pressing system is made up of pushing block, spring, push rod, push pedal, set screw, ejector sleeve, pushing sleeve, the press mechanism that disappears is the pressure check valve that disappears that adopts soft sealing structure, (3), has a half-duplex channel at least in the generation negative pressure system, this passage one end leads to suction nozzle, the other end enters the foreign body bottle, and this passage communicates with cylinder.

2, suction and ligature device as claimed in claim 1 is characterized in that the soft sealing structure of check valve comprises spool, " zero " shape circle and spring.

3, suction and ligature device as claimed in claim 1, it is characterized in that ejector sleeve and push pedal are unitary construction, between suction nozzle and the suction pipe, socket-connect by certain taper between pushing sleeve and the ejector sleeve, pushing sleeve, ejector sleeve wrap in outside suction nozzle, the suction pipe, gap between pushing sleeve and the suction nozzle is little only can be in the suction nozzle slide outside to pushing sleeve, when suction nozzle and pushing sleeve tighten respectively after suction pipe and ejector sleeve port, suction nozzle grows 3～4mm than pushing sleeve, after pushing sleeve is shifted onto the end by ejector sleeve, pushing sleeve grows about 1mm than suction nozzle, requires pushing sleeve mouth edge smooth, smooth.

4, suction and ligature device as claimed in claim 1 is characterized in that between foreign body bottle and the body it being that helical structure is tightly connected, and the junction accompanies packing ring.

5, suction and ligature device as claimed in claim 1 is characterized in that cylinder directly forms in body.

6, suction and ligature device as claimed in claim 1 is characterized in that this device can have vacuum table and illuminator, and vacuum table communicates with half-duplex channel.

7, as the described suction and ligature device of claim 1 to 5, it is characterized in that this device is except spool, rocking bar, leather cup pull bar, push rod, pushing block, suction pipe, spring, screw etc. will be manufactured with metal material, remaining part can be manufactured with metal or pmma material, but the most handy plastics are manufactured.

8, suction and ligature device as claimed in claim 1, the last cushion rubber device of one of adnexa that it is characterized in that this device is made up of cylindrical handle, disc-shaped base and shell, and return spring and return piece are arranged in the handle, and there is taper hole at the base center, around the hole slide block is arranged, the compression spring is arranged between slide block and the base edge.

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