CN210673877U - Gun type aspirator for treating echinococcosis - Google Patents

Abstract

The utility model relates to a medical auxiliary instrument. Aims to provide a gun type aspirator for treating echinococcosis, which can stably and smoothly discharge cyst fluid in a cyst cavity. The utility model adopts the technical proposal that: a gun type aspirator for treating echinococcosis comprises a grip and a pipette arranged at the upper part of the left side of the grip and extending along the left-right direction; the right end of the liquid suction pipe is closed, the left end of the liquid suction pipe is opened, a central rotating shaft is coaxially arranged in the liquid suction pipe, and the right end of the central rotating shaft extends out of the liquid suction pipe and is in rotating fit with the liquid suction pipe; the central rotating shaft is arranged on one section in the liquid suction pipe and is provided with spiral teeth extending along the length direction of the central rotating shaft, one end of the central rotating shaft extending out of the liquid suction pipe forms a power transmission section, and the power transmission section is in transmission connection with a driving mechanism arranged in the handle. The utility model discloses an endoscopy of echinococcosis treatment, simple structure, facilitate promotion and popularization.

Description

Gun type aspirator for treating echinococcosis

Technical Field

The utility model relates to a medical auxiliary appliance, in particular to a manual aspirator for assisting echinococcosis treatment.

Background

Echinococcosis (echinococcosis) is a chronic parasitic disease caused by infection of human with echinococcus larvae (echinococcosis). The clinical manifestations of this disease vary depending on the location, size and presence of complications of hydatid cyst. Echinococcosis has long been considered as a zoonosis, and is called animal-derived disease, but epidemiological investigation in recent years shows that echinococcosis is a common disease and frequently encountered disease which are unique to minority nationalities or religious tribes and is commonly seen in livestock breeding areas, and patients often have intimate contact with dogs, sheep and the like. For example: a large number of infected people exist in 9 main provinces of Sichuan, Yunnan, Tibet, Shanxi, Gansu, Qinghai, Ningxia and Xinjiang in China, the epidemic area occupies 420 ten thousand square kilometers, occupies 44 percent of the territorial area of China, and covers 350 counties and 5000 thousand of people.

According to investigation, the incidence rate of echinococcosis in the region is even up to 10% astonishingly, namely one person in 10 people suffers from echinococcosis, which greatly affects the production and life of local residents. And the area is in a sensitive national area of the Hanzang junction in China, so that the problem of treating echinococcosis in the area has positive influence on promotion of national conglomeration, improvement of social stability and the like.

The echinococcosis combined sac sequentially comprises a fibrous layer, a horny layer, a hair growth layer, an ascon and a sac fluid from outside to inside, and due to the protective action of the fibrous layer and the horny layer, the conventional drug therapy has no effect in the treatment of the echinococcosis. The difficulty of echinococcosis in the surgical procedure is that: 1. a plurality of protocephalic knots are attached to the hair growth layer and float in the cyst fluid, and the protocephalic knots can be planted in the abdominal cavity once overflowing, namely, the protocephalic knots can be developed into new insect cysts at the position where the protocephalic knots arrive. 2. The cyst fluid contains foreign proteins, and the foreign proteins are easy to cause allergy once overflowing and even die when the disease is serious. Due to the two reasons, the hydatid cyst is currently considered to be unsuitable for endoscopic surgery.

At present, the main treatment modes are complete excision of the outer capsule (liver and fibrous layer) and excision of the inner capsule (horny layer and hair growing layer) under the condition of open abdomen, but the open abdomen type operation is known to cause large wound, severe pain and slow postoperative recovery for patients.

Therefore, how to smoothly discharge the cyst fluid out of the cyst cavity and prevent the cyst fluid from overflowing so as to realize the endoscopic treatment of the echinococcosis is a great technical problem to be solved urgently by the technical personnel in the field.

Disclosure of Invention

An object of the utility model is to provide a can be stable smooth and easy be used for the rifle type aspirator of echinococcosis treatment with the discharge of the bag liquid in the cyst chamber.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: a gun type aspirator for treating echinococcosis comprises a grip and a pipette arranged at the upper part of the left side of the grip and extending along the left-right direction; the right end of the liquid suction pipe is closed, the left end of the liquid suction pipe is opened, a central rotating shaft is coaxially arranged in the liquid suction pipe, and the right end of the central rotating shaft extends out of the liquid suction pipe and is in rotating fit with the liquid suction pipe;

the section of the central rotating shaft, which is positioned in the liquid suction pipe, is provided with spiral teeth extending along the length direction of the central rotating shaft, one end of the central rotating shaft, which extends out of the liquid suction pipe, forms a power transmission section, and the power transmission section is in transmission connection with a driving mechanism arranged in the handle; the liquid suction pipe is also arranged on the liquid suction pipe, is positioned at a position close to the right end of the liquid suction pipe and is communicated with the inside of the liquid suction pipe.

Preferably, the driving mechanism is an L-shaped rocker arm, and the L-shaped rocker arm is connected with the power transmission section.

Preferably, the drive mechanism comprises a trigger assembly and a gear assembly disposed within the grip;

the trigger component comprises a trigger plate and a return spring, the upper part of the trigger plate is hinged with the handle through a first pin shaft and can swing along the left-right direction, and the top of the trigger plate is provided with an arc-shaped transmission rack which is connected with the gear component through the transmission rack; a yielding port is formed in the left side wall of the handle, and the middle part and the lower part of the left side of the trigger plate extend out of the handle through the yielding port to form a holding and pinching part; one end of the reset spring is connected with the upper part of the right side of the trigger plate, and the other end of the reset spring is connected with the inner wall of the right side of the grip;

the gear assembly comprises a first wheel shaft, a second wheel shaft and a third wheel shaft, wherein a first main gear and a first pinion are coaxially arranged on the first wheel shaft, a second main gear is arranged on the second wheel shaft, and a third main gear and a third pinion are coaxially arranged on the third wheel shaft; a group of first mounting short pipes, a group of second mounting short pipes and a group of third mounting short pipes are respectively arranged on the front side wall and the rear side wall of the handle corresponding to the positions of the first wheel shaft, the second wheel shaft and the third wheel shaft, two ends of the first wheel shaft, the second wheel shaft and the third wheel shaft are respectively inserted into the first mounting short pipes, the second mounting short pipes and the third mounting short pipes, and the second mounting short pipes are oval;

the first main gear is meshed with a transmission rack at the top of the trigger plate, and spline teeth of the first pinion and the third pinion are matched with the second main gear; when the first main gear rotates, the second main gear can be driven to rotate, and the second main gear and the third auxiliary gear are pushed to be close to and meshed with each other;

the power transmission section of the central rotating shaft is a worm, the third main gear is a turbine, and the power transmission section is meshed with the third main gear.

Preferably, the liquid suction device further comprises an outer sleeve coaxially sleeved outside the liquid suction pipe, a water inlet pipe is arranged on the outer sleeve, the water inlet pipe is located at a position close to the right end of the outer sleeve and is communicated with the liquid suction pipe, and the liquid discharge pipe penetrates out of the outer sleeve and is sealed with the outer sleeve.

Preferably, the upper portion of the left side of the handle is provided with a threaded connector matched with the outer sleeve, and the right end of the threaded outer sleeve is provided with external threads and is in threaded fit with the threaded connector.

Preferably, the left end of the central rotating shaft is further provided with a crushing assembly, the crushing assembly comprises a plurality of movable crushing rods fixed on the circumferential surface of the central rotating shaft and an end supporting ring sleeved on the central rotating shaft, and the end supporting ring is connected with the liquid suction pipe through a plurality of static crushing rods.

Preferably, the rear end of the pipette is provided with a short shaft sleeve matched with the central rotating shaft, the central rotating shaft penetrates through the short shaft sleeve, and a sealing rubber ring is arranged between the short shaft sleeve and the central rotating shaft.

Preferably, the inner wall on the right side of the handle is provided with a stabilizing short pipe, the position of the stabilizing short pipe is opposite to the power transmission section of the central rotating shaft, and the power transmission section is matched with the stabilizing short pipe and inserted into the stabilizing short pipe.

Preferably, the outer sleeve, the pipette, the central rotating shaft and the helical teeth are all disposable consumables made of medical grade plastics.

Preferably, the puncture assembly comprises a cylindrical sheath shell and a puncture sharp rod penetrating through the sheath shell; the surface at sheath shell middle part is provided with two circles of inflation gasbag, and the sheath shell is located the lateral wall behind the inflation gasbag and is provided with the binary channels gas injection mouth, the binary channels gas injection mouth communicates with two circles of inflation gasbags respectively.

The working principle of the utility model is as follows: before carrying out the suction, the doctor needs to utilize puncture subassembly to carry out the abdominocentesis earlier, builds the abdominal duct in penetrating the sheath shell infantees disease worm bag. Then, the grip is held by one hand, and the pipette is extended into the insect sac from the abdominal tube. Then, the driving assembly is used for driving the central rotating shaft, the central rotating shaft rotates to drive the spiral teeth to act, the sac liquid in the insect sac is pumped out, and finally the sac liquid is discharged from the liquid discharge pipe.

The beneficial effects of the utility model are concentrated and are embodied in:

1. realizes the endoscopic treatment of the echinococcosis and opens up a new way for the treatment of the echinococcosis.

2. Simple structure, the facilitate promotion and popularization especially to the area of underdeveloped, very big reduction medical cost, no matter to patient individual, still to the fund of national medical insurance, all have apparent reality economic meaning.

3. The doctor of being convenient for operates, can effectually handle accuse to suction intensity and suction speed, reduced the risk that medical malpractice took place.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural view of a driving mechanism;

FIG. 4 is an enlarged view of portion B of FIG. 1;

FIG. 5 is a schematic view of the puncturing assembly in use;

FIG. 6 is a schematic view of the structure shown in FIG. 5 in a use state;

fig. 7 is a schematic view showing the structure of the puncture assembly when the puncture tip rod is withdrawn.

Detailed Description

The gun-type aspirator for treating echinococcosis shown in fig. 1-7 comprises a grip 1 and a pipette 2 arranged at the upper part of the left side of the grip 1 and extending along the left-right direction, and when in use, a doctor can hold the grip with hands to operate, so that the use is convenient. The right end of the pipette 2 is closed, the left end of the pipette 2 is open, a central rotating shaft 3 is coaxially arranged in the pipette 2, the right end of the central rotating shaft 3 extends out of the pipette 2 and forms a rotating fit with the pipette 2, as shown in fig. 2, in order to improve the stability of the central rotating shaft 3, a short shaft sleeve 28 matched with the central rotating shaft 3 is arranged at the rear end of the pipette 2, the central rotating shaft 3 is arranged in the short shaft sleeve 28 in a penetrating manner, a sealing rubber ring 29 is arranged between the short shaft sleeve 28 and the central rotating shaft 3, and the bag liquid is prevented from overflowing from the joint of the central rotating shaft 3 and the pipette 2.

The section of the central rotating shaft 3 in the pipette 2 is provided with spiral teeth 4 extending along the length direction of the central rotating shaft 3, the spiral teeth 4 generate pumping force to the sac liquid in the rotating process of the central rotating shaft 3, and the faster the rotating speed of the central rotating shaft 3 is, the stronger the pumping force is, and the faster the pumping speed is. The end of the central rotating shaft 3 extending out of the pipette 2 forms a power transmission section 5, the power transmission section 5 is in transmission connection with a driving mechanism arranged in the handle 1, and the central rotating shaft 3 is driven by the driving mechanism. The liquid suction pipe 2 is also provided with a liquid discharge pipe 6, the liquid discharge pipe 6 is positioned at a position close to the right end of the liquid suction pipe 2 and is communicated with the interior of the liquid suction pipe 2, and the bag liquid pumped up in the liquid suction pipe 2 is discharged from the liquid discharge pipe 6.

Actuating mechanism's concrete structure more, for example: 1. the actuating mechanism is L shape rocking arm, L shape rocking arm is connected with power transmission section 5, and this kind of actuating mechanism is very simple, but its weak point lies in needing both hands to operate, so here the utility model discloses in do not do too much introduction. 2. The utility model discloses also can adopt electric drive's mode, but this kind of mode need increase parts such as motor, battery, controller, and not only the structure is complicated, with high costs, and has also increased the burden of doctor's hand behind the weight gain, is not particularly suitable for in the treatment to echinococcosis, so the utility model discloses this again is not too much introduction again.

The utility model discloses a focus here introduces an actuating mechanism with exquisite structure, as shown in fig. 1, actuating mechanism is including setting up trigger subassembly and the gear assembly in handle 1, handle 1 comprises the two halves amalgamation of symmetry usually, connects through the mode of joint location fit bolt.

The trigger component comprises a trigger plate 7 and a return spring 8, the upper part of the trigger plate 7 is hinged with the handle 1 in a swinging mode along the left-right direction through a first pin shaft, the first pin shaft is generally and fixedly arranged on two surfaces of the trigger plate 7, and then a shaft hole sleeve for penetrating the pin shaft is arranged on the inner wall of the handle 1. Of course, the trigger plate 7 may be directly provided with pin holes, and the pin shaft may pass through the pin holes to form the hinge joint. The former is generally used for mounting the pin shaft in consideration of convenience in processing and assembling.

The top of the trigger plate 7 of the utility model is generally fan-shaped, and is provided with an arc-shaped transmission rack 9 on the fan-shaped arc edge, and is connected with the gear assembly through the transmission rack 9. The left side wall of the handle 1 is provided with a yielding port 10, the middle part and the lower part of the left side of the trigger plate 7 extend out of the handle 1 through the yielding port 10 to form a holding and pinching part, and a groove matched with fingers can be arranged on the holding and pinching part, so that the comfort is stronger. One end of the reset spring 8 is connected with the upper part of the right side of the trigger plate 7, the other end of the reset spring is connected with the inner wall of the right side of the handle 1, and the reset spring 8 can be directly connected on the inner wall of the handle 1 and can also be indirectly connected with the inner wall of the handle 1 through a short rod, a short edge, a reinforcing rib and the like in the handle 1.

The most elaborate of this kind of driving mechanism is that, as shown in fig. 3, the gear assembly comprises a first wheel axle 11, a second wheel axle 12 and a third wheel axle 13, a first main gear 14 and a first pinion 15 are coaxially arranged on the first wheel axle 11, a second main gear 16 is arranged on the second wheel axle 12, and a third main gear 17 and a third pinion 18 are coaxially arranged on the third wheel axle 13. A group of first mounting short pipes 19, a group of second mounting short pipes 20 and a group of third mounting short pipes 21 are respectively arranged on the front side wall and the rear side wall of the handle 1 corresponding to the positions of the first wheel shaft 11, the second wheel shaft 12 and the third wheel shaft 13, two ends of the first wheel shaft 11, the second wheel shaft 12 and the third wheel shaft 13 are respectively inserted into the first mounting short pipes 19, the second mounting short pipes 20 and the third mounting short pipes 21, the second mounting short pipes 20 are oval, and the second wheel shaft 12 can rotate in the mounting short pipes 20 and can move in the mounting short pipes for a short distance. The power transmission section 5 of the central rotating shaft 3 is a worm, the third main gear 17 is a turbine, and the power transmission section 5 is meshed with the third main gear 17 to realize the function of power reversing.

The first main gear 14 meshes with the gear rack 9 on top of the trigger plate 7, and the spline teeth of the first and third pinions 15, 18 cooperate with the second main gear 16. When the first main gear 14 rotates, the second main gear 16 can be driven to rotate, and the second main gear 16 and the third sub-gear 18 are pushed to close and mesh.

When the driving mechanism works, a doctor holds the grip 1 with one hand, repeatedly pinches the trigger plate 7, the trigger plate 7 swings back and forth around the first pin shaft, when the trigger plate 7 swings towards the left, the driving rack 9 on the trigger plate directly drives the first main gear 14 to rotate, and at the moment, the first auxiliary gear 15 which is coaxially arranged with the first main gear 14 also rotates, so that the second main gear 16 is driven to rotate. Meanwhile, since the second wheel axle 12 where the second main gear 16 is located is installed in the elliptical second installation short pipe 20, the first pinion 15 and the second main gear 16, in a state of keeping meshing, will also push the second wheel axle 12 to move towards a position close to the third wheel axle 13 until contacting with the third pinion 18 on the third wheel axle 13, thereby driving the third wheel axle 13 to rotate. The power of the third wheel shaft 13 is transmitted to the central shaft 3 via the third main gear 17 and the power transmission section 5 of the central shaft 3.

When the doctor releases the holding and pinching of the trigger plate 7, the reset spring 8 drives the trigger plate 7 to reset, and the transmission rack 9 drives the first main gear 14 to rotate reversely. At this point, the second wheel axle 12 will retract upon reverse rotation due to the effect of the reverse rotation, such that the second primary gear 16 is no longer in contact with the third secondary gear 18, thereby enabling power disengagement. Therefore, the utility model discloses when holding and holding between the fingers trigger board 7, can drive central pivot 3 and rotate, and when relaxing trigger board 7, because power breaks away from, the utility model discloses can not cause central pivot 3 to reverse, the event can not lead to the fact the influence to the suction.

Considering at the in-process of suction bag liquid, still need continuous filling saturated salt solution to wash the bag chamber, the better scheme of the utility model is that, as shown in fig. 1, still include that coaxial cover establishes the outer tube 22 outside pipette 2, be provided with inlet tube 23 on the outer tube 22, inlet tube 23 is located the position that is close to the outer tube 22 right-hand member and communicates with pipette 2, fluid-discharge tube 6 wears out outside outer tube 22 and constitutes sealedly with outer tube 22. The inlet tube 23 is used to flush saturated saline, which flows through the area between the outer sleeve 22 and the pipette 2, is discharged from the left end in fig. 1, repeatedly flushes the balloon and is extracted with the pipette until the inside of the balloon is cleaned.

In order to facilitate the installation of the outer sleeve 22, the pipette 2 and other parts, the upper part of the left side of the handle 1 is provided with a threaded connector 24 matched with the outer sleeve 22, and the right end of the threaded outer sleeve 22 is provided with external threads and is in threaded fit with the threaded connector 24. In this case, the outer sleeve 22 and the pipette 2 are generally of an integral construction, and when installed, as shown in fig. 1, the right end of the central shaft 3 is inserted into the handle 1, the power transmission section 5 of the central shaft 3 is connected to the drive structure, and then the outer sleeve 22 is rotated to engage the threads thereon with the threaded connector 24. Meanwhile, after the mode is adopted, only the outer sleeve 22 part, the pipette 2 part and the central rotating shaft 3 part which are polluted need to be replaced when the disposable medical pipette is used next time, namely, the outer sleeve 22, the pipette 2, the central rotating shaft 3 and the spiral teeth 4 are disposable consumables made of medical grade plastics. When the handle is replaced, the handle 1 does not need to be replaced every time, so that resources are further saved, and medical loss is reduced.

In order to further improve the performance of the utility model, a better scheme can also be that, as shown in fig. 4, the left end of the central rotating shaft 3 is still provided with the crushing assembly, the crushing assembly comprises a plurality of movable crushing rods 25 fixed on the periphery of the central rotating shaft 3 and a tip support ring 26 sleeved on the central rotating shaft 3, the tip support ring 26 is connected with the pipette 2 through a plurality of static crushing rods 27. Because the left end of the central rotating shaft 3 is overhung for a long time, the end supporting ring 26 can play a role of strengthening support, so that the rotation of the central rotating shaft 3 is more stable. Meanwhile, in the process that the central rotating shaft 3 drives the crushing rod 25 to rotate, the crushing rod can also crush the ascomycetes contained in the cyst fluid to destroy the activity of the ascomycetes. In addition, the static crushing rod 27 can be matched with the movable crushing rod 25 to improve shearing force and crushing effect on the sub-capsules besides the function of manufacturing the end support ring 26.

As shown in fig. 1, a stabilizing short tube 30 may be further disposed on the inner wall of the right side of the handle 1, the position of the stabilizing short tube 30 is opposite to the power transmission section 5 of the central rotating shaft 3, the power transmission section 5 is matched with the stabilizing short tube 30 and inserted into the stabilizing short tube 30, the stabilizing short tube 30 is used for improving the stability of the power transmission section 5 of the central rotating shaft 3 during the rotation process and playing a role of auxiliary positioning during the installation process.

In addition, the utility model also discloses a dedicated puncture assembly of echinococcosis of cooperation use, as shown in fig. 5, puncture assembly is including being the sheath shell 31 of tube-shape and wearing to establish the puncture spike pole 32 in sheath shell 31. The surface in sheath shell 31 middle part is provided with two circles of inflation gasbag 33, and sheath shell 31 is provided with binary channels gas injection mouth 34 on being located the lateral wall in inflation gasbag 33 rear, binary channels gas injection mouth 34 communicates with two circles of inflation gasbags 33 respectively.

In the using process, the expansion air bag 33 positioned at the outer side is firstly inflated from the double-channel air injection port 34, and then the bag puncture is carried out, and the bag liquid leakage caused by the pressure in the bag at the moment of bag breakage can be effectively prevented by the expansion air bag 33 at the outer side. Then, as shown in fig. 6, when the inside expanded air bag 33 is inflated through the two-way air injection port 34, the two expanded air bags 33 clamp the bag wall together, so that the fixation is more stable, and the bidirectional plugging is realized, thereby minimizing the possibility of the leakage of the bag liquid. Finally, as shown in fig. 7, the puncture tip rod 32 is removed, and the cyst fluid can be sucked by the aspirator.

Claims (10)

1. A gun-type aspirator for echinococcosis treatment, characterized in that: comprises a grip (1) and a pipette (2) arranged at the upper part of the left side of the grip (1) and extending along the left-right direction; the right end of the pipette (2) is closed, the left end of the pipette is open, a central rotating shaft (3) is coaxially arranged in the pipette (2), and the right end of the central rotating shaft (3) extends out of the pipette (2) and is in running fit with the pipette (2);

a section of the central rotating shaft (3) positioned in the pipette (2) is provided with spiral teeth (4) extending along the length direction of the central rotating shaft (3), one end of the central rotating shaft (3) extending out of the pipette (2) forms a power transmission section (5), and the power transmission section (5) is in transmission connection with a driving mechanism arranged in the handle (1); the liquid discharging pipe (6) is further arranged on the liquid sucking pipe (2), and the liquid discharging pipe (6) is located at a position close to the right end of the liquid sucking pipe (2) and communicated with the interior of the liquid sucking pipe (2).

2. The gun-type aspirator for echinococcosis therapy according to claim 1, wherein: the driving mechanism is an L-shaped rocker arm, and the L-shaped rocker arm is connected with the power transmission section (5).

3. The gun-type aspirator for echinococcosis therapy according to claim 1, wherein: the driving mechanism comprises a trigger assembly and a gear assembly which are arranged in the handle (1);

the trigger component comprises a trigger plate (7) and a return spring (8), the upper part of the trigger plate (7) is hinged with the handle (1) through a first pin shaft and can swing along the left-right direction, and the top of the trigger plate (7) is provided with an arc-shaped transmission rack (9) and is connected with the gear component through the transmission rack (9); a yielding port (10) is formed in the left side wall of the grip (1), and the middle part and the lower part of the left side of the trigger plate (7) extend out of the grip (1) through the yielding port (10) to form a gripping part; one end of the reset spring (8) is connected with the upper part of the right side of the trigger plate (7), and the other end of the reset spring is connected with the inner wall of the right side of the grip (1);

the gear assembly comprises a first wheel axle (11), a second wheel axle (12) and a third wheel axle (13), a first main gear (14) and a first auxiliary gear (15) are coaxially arranged on the first wheel axle (11), a second main gear (16) is arranged on the second wheel axle (12), and a third main gear (17) and a third auxiliary gear (18) are coaxially arranged on the third wheel axle (13); a group of first mounting short pipes (19), a group of second mounting short pipes (20) and a group of third mounting short pipes (21) are respectively arranged on the front side wall and the rear side wall of the grip (1) corresponding to the positions of the first wheel shaft (11), the second wheel shaft (12) and the third wheel shaft (13), two ends of the first wheel shaft (11), the second wheel shaft (12) and the third wheel shaft (13) are respectively inserted into the first mounting short pipes (19), the second mounting short pipes (20) and the third mounting short pipes (21), and the second mounting short pipes (20) are oval;

the first main gear (14) is meshed with a transmission rack (9) at the top of the trigger plate (7), and spline teeth of the first pinion (15) and the third pinion (18) are matched with a second main gear (16); when the first main gear (14) rotates, the second main gear (16) can be driven to rotate, and the second main gear (16) is pushed to be close to and meshed with the third auxiliary gear (18);

the power transmission section (5) of the central rotating shaft (3) is a worm, the third main gear (17) is a turbine, and the power transmission section (5) is meshed with the third main gear (17).

4. The gun-type aspirator for echinococcosis treatment according to claim 3, wherein: the liquid suction pipe is characterized by further comprising an outer sleeve (22) coaxially sleeved outside the liquid suction pipe (2), a water inlet pipe (23) is arranged on the outer sleeve (22), the water inlet pipe (23) is located at a position close to the right end of the outer sleeve (22) and communicated with the liquid suction pipe (2), and the liquid discharge pipe (6) penetrates out of the outer sleeve (22) and is sealed with the outer sleeve (22).

5. The gun-type aspirator for echinococcosis treatment according to claim 4, wherein: the left upper portion of handle (1) is provided with threaded connection head (24) with outer tube (22) matched with, the right-hand member of screw thread outer tube (22) is provided with the external screw thread to constitute screw-thread fit with threaded connection head (24).

6. The gun-type aspirator for echinococcosis treatment according to claim 5, wherein: the left end of central pivot (3) still is provided with crushing unit, crushing unit is including fixing a plurality of crushing poles (25) that move on central pivot (3) global and establishing tip support ring (26) on central pivot (3), tip support ring (26) are connected with pipette (2) through many quiet crushing poles (27).

7. The gun-type aspirator for echinococcosis treatment according to claim 6, wherein: the back end of the pipette (2) is provided with a short shaft sleeve (28) matched with the central rotating shaft (3), the central rotating shaft (3) penetrates through the short shaft sleeve (28), and a sealing rubber ring (29) is arranged between the short shaft sleeve (28) and the central rotating shaft (3).

8. The gun-type aspirator for echinococcosis treatment according to claim 7, wherein: the inner wall on the right side of the handle (1) is provided with a stable short pipe (30), the position of the stable short pipe (30) is opposite to the power transmission section (5) of the central rotating shaft (3), and the power transmission section (5) is matched with the stable short pipe (30) and is inserted into the stable short pipe (30).

9. The gun-type aspirator for echinococcosis treatment according to claim 8, wherein: the outer sleeve (22), the pipette (2), the central rotating shaft (3) and the spiral teeth (4) are all disposable consumables made of medical grade plastics.

10. The gun-type aspirator for echinococcosis treatment according to claim 9, wherein: the puncture assembly comprises a cylindrical sheath shell (31) and a puncture sharp rod (32) arranged in the sheath shell (31) in a penetrating manner; the outer surface at sheath shell (31) middle part is provided with two circles of inflation gasbag (33), and sheath shell (31) are provided with binary channels gas injection mouth (34) on being located the lateral wall at inflation gasbag (33) rear, binary channels gas injection mouth (34) communicate with two circles of inflation gasbag (33) respectively.

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