CN211095987U

CN211095987U - Self-suction type nasal sinus flushing gun with endoscope front end isolation sleeve

Info

Publication number: CN211095987U
Application number: CN201921741709.1U
Authority: CN
Inventors: 蔡跃新; 郑亿庆; 区永康; 周文管; 许学添
Original assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Current assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-28
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a self-absorption type nasal sinus flushing gun with an endoscope front end isolation sleeve, a flushing pipe is fixedly arranged at the front end of a shell, a flushing head is arranged at the front end of the flushing pipe, an imbibition pipe wall is arranged outside the upper side wall of the flushing pipe, an imbibition channel is arranged between the imbibition pipe wall and the upper side wall of the flushing pipe, an imbibition head is arranged at the front end of the imbibition channel, the front end of an inner infusion pipeline in the shell is communicated with the flushing pipe, a first connector is arranged at the rear end, a booster pump is separately arranged with the shell, a second connector is arranged at the liquid outlet end of the booster pump, the front end of the inner imbibition pipeline in the shell is communicated with the imbibition channel, the rear end is hermetically connected with a compression bag, a return spring is sleeved on the compression bag, a regulating valve is arranged on the inner imbibition pipeline, a first soft isolation sleeve and a second soft isolation sleeve which are, the transparent cover is sealed and covered at the front port of the second soft isolation sleeve. The utility model discloses it is easier to wash and disinfect.

Description

Self-suction type nasal sinus flushing gun with endoscope front end isolation sleeve

Technical Field

The utility model relates to a self-suction type nasal sinus flushing gun with an endoscope front end isolation sleeve.

Background

In recent years, with the development of the nasal endoscope operation, the minimally invasive upper frontal sinus operation can be performed through the nose, the natural opening of the upper frontal sinus is enlarged under the nasal endoscope, the mould ball and necrotic tissues in the upper frontal sinus are completely cleaned, the external incision is avoided, and the post-operation review is very convenient. Therefore, the nasal sinus washing is particularly important, and the condition that foreign matters such as mildew balls in the nasal sinus can be thoroughly cleaned is a necessary condition for the health recovery of patients.

In the prior art, an endoscope is used for inspecting the conditions in the paranasal sinuses of a patient, then a flushing pipe of a paranasal sinus flushing device is inserted into a paranasal sinus cavity, normal saline is conveyed into the paranasal sinuses for flushing the paranasal sinuses, and after flushing, the normal saline which flows out of the paranasal sinus cavity and is doped with germs and impurities is discharged through a water outlet pipe.

The normal saline of the existing nasal sinus flushing device is generally conveyed through a micro booster pump, the normal saline which flows out of a nasal sinus cavity and is doped with germs and impurities is generally pumped through a micro water pump arranged on a water outlet pipe, and the nasal sinus flushing device needs to be cleaned and disinfected after the nasal sinus flushing device is used. Since the physiological saline mixed with germs and impurities flowing out of the sinus cavities flows through the micro water pump, a large amount of germs and impurities can be remained in the micro water pump, however, the micro water pump is very difficult to clean and sterilize, the condition of incomplete cleaning is easy to occur, and cross infection is easy to cause.

In addition, the existing sinus washing device cannot use the endoscope to observe the internal washing condition during washing, and cannot wash more effectively.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a self-suction type nasal sinus flushing gun which can be used with an endoscope in a matching way and is provided with an endoscope front end isolation sleeve, and the cleaning and the disinfection are easier.

Solve above-mentioned technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a from inhaling type sinus and washing and robbing with endoscope front end separation sleeve, it includes casing, washing liquid pipe and booster pump, and the rear end fixed mounting of washing liquid pipe is at the front end of casing, and the washing liquid pipe extends forward, is equipped with corresponding crooked washing head at the front end of washing liquid pipe, is equipped with a plurality of washing holes on the lateral wall of washing head, its characterized in that: a liquid suction pipe wall is arranged outside the upper side wall of the flushing pipe, the side edge of the liquid suction pipe wall is hermetically connected with the upper side wall of the flushing pipe, a liquid suction channel is arranged between the liquid suction pipe wall and the upper side wall of the flushing pipe, a liquid suction head is arranged at the front end of the liquid suction channel, and a plurality of liquid suction holes are formed in the liquid suction head; the self-suction type nasal sinus flushing gun also comprises a regulating valve and a compression bag for generating negative pressure to suck liquid, and an inner liquid conveying pipeline and an inner liquid sucking pipeline are arranged in the shell; the front end of the inner infusion pipeline is communicated with the flushing pipe, and the rear end of the inner infusion pipeline is provided with a first connector which is exposed out of the rear end part of the shell; the booster pump is arranged separately from the shell, the liquid outlet end of the booster pump is connected with an outer liquid conveying pipe, the liquid outlet end of the outer liquid conveying pipe is provided with a second connector which is matched and spliced with the first connector, and the liquid inlet end of the booster pump is provided with a connecting pipe which is used for connecting with an external liquid storage tank; the front end of the inner liquid suction pipeline is communicated with the liquid suction channel, the rear end of the inner liquid suction pipeline is hermetically connected with the compression bag, and the compression bag is sleeved with a return spring which provides a return force required by returning to an expanded state for the compression bag in a compressed state; the regulating valve is arranged on the inner liquid suction pipeline, and the operating end of the regulating valve is exposed out of the shell; the lower surface of the shell and the lower surface of the flushing pipe are respectively embedded and fixed with a first soft isolation sleeve and a second soft isolation sleeve which are used for being sleeved on the front part of an optical fiber pipe of an endoscope, the first soft isolation sleeve and the second soft isolation sleeve are corresponding and communicated, the smooth transition of the joint of the first soft isolation sleeve and the second soft isolation sleeve is realized, the rear end of the first soft isolation sleeve, which is positioned at the rear part of the shell, is provided with a penetrating port for the front part of the optical fiber pipe of the endoscope to penetrate, the front end of the second soft isolation sleeve is positioned at the front end of a flushing head, and a transparent cover is hermetically covered at the front port of the second soft isolation sleeve.

Furthermore, a first groove and a second groove are respectively formed in the lower surface of the shell and the lower surface of the flushing pipe, the first groove and the second groove are corresponding and communicated, the junction of the first groove and the second groove is in smooth transition, and the first soft isolation sleeve and the second soft isolation sleeve are correspondingly embedded and fixed in the first groove and the second groove.

Furthermore, the compression bag is positioned outside the shell and is hermetically connected with the rear end of the inner liquid suction pipeline through an extension pipe.

Furthermore, the rear end of the inner liquid suction pipeline is provided with a third connector, and the corresponding end of the extension pipe is provided with a fourth connector which is matched and spliced with the third connector.

Furthermore, a sampling hole is arranged on the compression bag, and a sealing cover is arranged on the sampling hole in a sealing way.

Furthermore, the compression bag is cylindrical and is provided with a hard upper end plate and a hard lower end plate, the interior of the compression bag is a closed space, and the rear end of the inner suction pipeline is connected with the upper part of the compression bag and communicated with the closed space in the compression bag.

Furthermore, a return spring is sleeved outside the compression bag and connected with the outer wall of the compression bag, and the upper end and the lower end of the return spring are fixedly connected with the upper end plate and the lower end plate respectively.

Further, the governing valve includes valve body and action bars, be equipped with horizontal passageway and perpendicular passageway in the valve body, the upper end and the horizontal passageway intercommunication of perpendicular passageway, the lateral wall corresponds perpendicular passageway and has seted up threaded hole on the horizontal passageway, the middle part of action bars is equipped with the external screw thread of being connected with the interior screw-thread fit of screw hole, the action bars cooperation is connected in the screw hole, be equipped with the sealing washer in the upper end inboard of screw hole, be equipped with the rotatory handle that exposes to the casing outside in the upper end of action bars, be equipped with the toper rubber head that is used for sealed stopper perpendicular passageway's last port at the lower extreme of action bars, horizontal passageway is connected with the front end of interior imbibition pipeline, the lower part of perpendicular passageway is connected with the rear end of.

Furthermore, a gripping groove corresponding to the four fingers of the palm is arranged below the rear part of the shell, so that a user can grip and flush the palm conveniently.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a negative pressure that the compression bag produced realizes extracting the normal saline that has germ and impurity to the doping of play nasal sinus chamber, need not to set up miniature suction pump, and separately set up booster pump and casing, after the use, first connector of detachable and second connector, in order to separate the booster pump, at this moment, wash from inhaling the type nasal sinus and rush to have no longer electric component, thereby can wash from inhaling the type nasal sinus and rush to place into equipment and wash comprehensively and disinfect, it is easier to wash and disinfect, can avoid cross infection as far as possible.

When the endoscope is used, the front part of the optical fiber tube of the endoscope can penetrate into the first soft isolation sleeve and the second soft isolation sleeve from the penetration port as required, the observation head of the endoscope, which is positioned at the front end of the optical fiber tube, penetrates into the transparent cover, illumination and observation can be carried out through the transparent cover, the endoscope can be matched for use, observation through the endoscope is simultaneously carried out in the flushing process, and due to the isolation effect of the first soft isolation sleeve and the second soft isolation sleeve, germs can be prevented from being infected on the endoscope as much as possible, the sanitation of the endoscope is ensured, and the cross infection in the subsequent use process is avoided. After the endoscope is used, the front part of the optical fiber tube of the endoscope can be pulled out of the first soft isolation sleeve and the second soft isolation sleeve, and subsequent washing and disinfection of flushing and robbing are not influenced.

In addition, the utility model discloses the cost of dismantling the rifle body behind the miniature suction pump is lower, can regard as disposable consumables to use, can accomplish like this and avoid cross infection, has also reduced the work load of washing and disinfection.

2. The utility model discloses can set up the compression bag outside the casing, like this when using, can place the compression bag on the platform on next door, at this moment, wash and robbe the interior a large amount of normal saline that will not save again to wash the weight of robbing when alleviateing the use as far as possible, make the operation lighter.

3. The user is through rotating the utility model discloses a flow when imbibition can be adjusted to the rotatory handle of governing valve, and it is convenient to adjust, simple structure.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is a schematic view showing the present invention mounted in cooperation with an optical fiber tube of an endoscope.

The reference numerals in the drawings mean:

1-a liquid flushing pipe; 1.1-a second groove; 2-liquid suction pipe wall; 3-a liquid suction channel; 4-a rinsing head; 4.1-flushing the wells; 5-a liquid suction head; 5.1-pipette well; 6-a shell; 6.1-grip groove; 6.3-first groove; 6.4-the junction of the first groove and the second groove; 7-inner transfusion pipe; 8-an inner liquid suction pipe; 9-a third connector; 10-a first connector; 11-a fourth connector; 11.1-convex ring; 12-a second connector; 13-an extension tube; 14-external infusion tube; 15-operating lever; 16-a rotating handle; 17-a sealing ring; 18-a threaded hole; 19-horizontal channel; 20-a conical rubber head; 21-a vertical channel; 22-a booster pump; 23-a connecting tube; 24-a compressed bag; 24.1-closed space; 24.2-upper end plate; 24.3-lower end plate; 24.4-sampling well; 25-a return spring; 26-a regulating valve; 27-a sealing cover; 28-a second soft spacer sleeve; 29-a transparent cover; 30-a first soft spacer sleeve; 30.1-a penetration; 100-optical fiber tube of endoscope.

Detailed Description

The present invention will be further described with reference to the following examples.

A self-priming sinus irrigator with an endoscope front end spacer sleeve as shown in figure 1 comprises a shell 6, an irrigation tube 1, a booster pump 22, a regulating valve 26 and a compression bag 24 for generating negative pressure to suck liquid.

Casing 6 is rectangular straight tube-shape, and the front end is equipped with front end housing 6.2, and front end housing 6.2 is in the same place with the front end bonding of casing 6, and the cross section is close oval, and its one end that is close to the paranasal sinus when using is the front end, and the one end of keeping away from the paranasal sinus is the rear end. A gripping groove 6.1 corresponding to the four fingers of the palm is arranged at the lower side of the rear part of the shell, which is convenient for a user to grip and flush.

The rear end of the flushing pipe 1 is fixedly installed at the front end of the shell 6, the flushing pipe 1 extends forwards, a correspondingly bent flushing head 4 is arranged at the front end of the flushing pipe 1, the diameter of the flushing head 4 is gradually reduced towards the front end, the front end opening of the flushing head 4 is sealed, and a plurality of flushing holes 4.1 are formed in the side wall of the flushing head 4.

Be equipped with imbibition pipe wall 2 outside the last lateral wall of flushing pipe 1, the side and the last lateral wall sealing connection of flushing pipe 1 of imbibition pipe wall 2, the flushing pipe 1 and the imbibition pipe wall 2 integrated into one piece of this embodiment. Be equipped with imbibition passageway 3 between the last lateral wall of imbibition pipe wall 2 and flushing pipe 1, the front end of imbibition passageway 3 is equipped with imbibition head 5, and imbibition head 5 is the arc wall that links into an integrated entity with the front end of imbibition pipe wall 2, is equipped with a plurality of imbibition holes 5.1 on imbibition head 5. The rinsing head 4 is located in front of the pipette head 5. This wash imbibition pipe wall 2 of robbing and the structure of liquid flushing pipe 1 more compact, the whole cast diameter of formation is littleer, and does not influence the imbibition.

An inner liquid conveying pipeline 7 and an inner liquid conveying pipeline 8 are arranged in the shell 6, one end of the inner liquid conveying pipeline 7 and one end of the inner liquid conveying pipeline 8, which are close to the paranasal sinuses when in use, are front ends, and one end of the inner liquid conveying pipeline 7 and one end of the inner liquid conveying pipeline 8, which are far away from the paranasal sinuses, are rear ends. The front end of the inner infusion pipeline 7 is communicated with the liquid flushing pipe 1, the rear end of the inner infusion pipeline 7 is provided with a first connector 10, and the first connector 10 is fixedly arranged at the rear end of the shell 6 and is exposed out of the rear end part of the shell 6. The booster pump 22 is provided separately from the casing 6, i.e., the booster pump 22 is provided outside. An outer liquid conveying pipe 14 is connected to the liquid outlet end of the booster pump 22, a second connector 12 which is matched and inserted with the first connector 10 is arranged at the liquid outlet end of the outer liquid conveying pipe 14, and a connecting pipe 23 which is used for being connected with an external liquid storage tank is arranged at the liquid inlet end of the booster pump 22. The front end of the inner liquid suction pipeline 8 is communicated with the liquid suction channel 3, the rear end of the inner liquid suction pipeline 8 is hermetically connected with the compression bag 24, and the compression bag 24 is sleeved with a return spring 25 which provides a restoring force required by the return of the compression bag 24 in a compressed state to an expanded state. A regulating valve 26 is provided on the inner suction pipe 8, and an operating end of the regulating valve 26 is exposed to the outside of the housing 6, so that a user can regulate the flow rate of the inner suction pipe 8 through the regulating valve 26.

In order to observe the internal flushing condition through the endoscope at the same time during flushing and avoid the contamination of germs on the endoscope as much as possible, in the embodiment, a first soft spacer 30 and a second soft spacer 28 for being sleeved on the front part of the optical fiber tube of the endoscope are respectively embedded and fixed on the lower surface of the shell 6 and the lower surface of the flushing tube 1, the first soft spacer 30 and the second soft spacer 28 are corresponding and communicated, the first soft spacer 30 and the second soft spacer 28 of the embodiment are integrally formed, the connection part of the first soft spacer 30 and the second soft spacer 28 is in smooth transition, a penetration opening 30.1 for penetrating the front part of the optical fiber tube of the endoscope is arranged at the rear end of the shell 6 of the first soft spacer 30, the front end of the second soft spacer 28 is arranged at the front end of the flushing head 4, a transparent cover 29 is sealed and covered on the front port of the second soft spacer 28, the transparent cover 29 is bonded and fixed to the front end of the second soft spacer 28. The first and second

soft spacers

30, 28 have a diameter slightly larger than the diameter of the optical fiber tube of the endoscope. As shown in fig. 2, the optical fiber tube 100 of the endoscope is inserted into the first soft spacer 30 and the second soft spacer 28, and at this time, the observation head of the endoscope located at the front end of the optical fiber tube is located at the transparent cover 29, the optical fiber tube 100 of the endoscope extends from the rear end of the housing 6 to the rear, and the rear end of the optical fiber tube 100 of the endoscope is connected to the main unit of the endoscope.

Wherein, the fixed structure of the first soft isolation sleeve 30 and the second soft isolation sleeve 28 is: the lower surface of the shell 6 and the lower surface of the liquid flushing pipe 1 are respectively provided with a first groove 6.3 and a second groove 1.1, the first groove 6.3 corresponds to and is communicated with the second groove 1.1, the junction 6.4 of the first groove 6.3 and the second groove 1.1 realizes smooth transition through an arc-shaped groove, a first soft isolation sleeve 30 and a second soft isolation sleeve 28 are correspondingly embedded and fixed in the first groove 6.3 and the second groove 1.1, and the bottom surfaces of the first soft isolation sleeve 30 and the second soft isolation sleeve 28 and the first groove 6.3 and the second groove 1.1 are bonded through glue.

When in use, the second connector 12 is inserted on the first connector 10, the connecting pipe 23 is connected with an external liquid storage tank which is filled with physiological saline or other liquid medicine, the front part of the optical fiber tube of the endoscope is penetrated into the first soft isolation sleeve 30 and the second soft isolation sleeve 28 from the penetration port, and the observation head of the endoscope positioned at the front end of the optical fiber tube is positioned at the transparent cover 29, at the moment, the compression bag 24 is in a complete compression state, the regulating valve 26 is in a closed state, the flushing head 4 is extended into the paranasal sinus, the booster pump 22 is started, the booster pump 22 conveys the physiological saline or other liquid medicine in the liquid storage tank to the flushing head 4, and is sprayed to the periphery from the washing hole 4.1 of the washing head 4, then the adjusting valve 26 is properly opened to adjust the opening degree, the compression bag 24 is restored to the unfolded state under the action of the restoring spring 25, thereby generating negative pressure and continuously sucking the physiological saline or other liquid medicine mixed with germs and impurities and flowing out of the sinus cavities. The size of the compression bag 24 and the elastic force of the return spring 25 are designed according to actual requirements so as to ensure that the liquid suction work can be completed at one time in one cleaning process. By adjusting the regulating valve 26, the speed of pipetting can be adjusted. The compression pockets 24 are shown in an expanded state in fig. 1. After the flushing is completed, the optical fiber tube of the endoscope is pulled out from the first soft isolation sleeve 30 and the second soft isolation sleeve 28, so that the flushing gun is separated from the endoscope, the first connector and the second connector are detached, and then the flushing gun can be cleaned and disinfected or used as a disposable consumable.

In order to make and to wash and to grab interior not storing a large amount of normal saline, wash the weight of grabbing when using as far as possible, make the operation lighter, the compression bag 24 of this embodiment is located outside casing 6, unsettled the installation on casing 6, compression bag 24 is through extension pipe 13 and interior imbibition pipeline 8's rear end sealing connection, extension pipe 13's length is decided according to the in-service use demand, like this, can place compression bag 24 on the mesa of next door when using, no longer increase washes and to grab the weight when using.

Wherein, the installation structure of the compression pocket 24 can be: the rear end of the inner liquid suction pipeline 8 is provided with a third connector 9, the third connector 9 is fixedly installed at the rear end of the shell 6 and is exposed out of the rear end of the shell 6, the corresponding end of the extension pipe 13 is provided with a fourth connector 11 which is matched and spliced with the third connector 9, and the structure enables the compression bag 24 to be detached, so that the compression bag 24 can be detached alone for inspection after being used.

The structure of first connector 10 and third connector 9 is the same, it is great to be outer port, the internal diameter is the rectangular gum cover that the internal diameter reduces inwards gradually, the structure of second connector 12 and fourth connector 11 is the same, it is less to be the front end, the outer diameter is the rectangular shape intubate that increases backward gradually, be equipped with a plurality of bulge loops 11.1 on the lateral wall of rectangular shape intubate, second connector 12 and fourth connector 11 can cooperate sealed the inserting in first connector 10 and third connector 9 respectively, form better sealed through bulge loop 11.1.

In order to sample the liquid in the compression bag 24, a sampling hole 24.4 is arranged at the upper end of the compression bag 24, and a sealing cover 27 is arranged on the sampling hole 24.4 in a sealing way.

The structure of the compression pocket 24 of the present embodiment is: the compression bag 24 is cylindrical, the side wall is made of soft plastic, the compression bag is provided with a hard upper end plate 24.2 and a hard lower end plate 24.3, the interior of the compression bag 24 is a closed space 24.1, and the extension pipe 13 is connected with the upper part of the compression bag 24 and is communicated with the closed space 24.1 in the compression bag 24. The return spring 25 is sleeved outside the compression bag 24, the return spring 25 is connected with the outer side wall of the compression bag 24, and the upper end and the lower end of the return spring 25 are fixedly connected with the upper end plate 24.2 and the lower end plate 24.3 respectively. When the return spring 25 is compressed or the return spring 25 is automatically restored, the compression pocket 24 is compressed and expanded following the return spring 25.

The structure of the regulating valve 26 of the present embodiment is: the regulating valve 26 comprises a valve body and an operating rod 15, a horizontal channel 19 and a vertical channel 21 are arranged in the valve body, the upper end of the vertical channel 21 is communicated with the horizontal channel 19, a threaded hole 18 is formed in the upper side wall of the horizontal channel 19 corresponding to the vertical channel 21, an external thread matched and connected with the internal thread of the threaded hole 18 is arranged in the middle of the operating rod 15, the operating rod 15 is matched and connected into the threaded hole 18, a sealing ring 17 is arranged on the inner side of the upper end of the threaded hole 18, a rotating handle 16 exposed out of the shell 6 is arranged at the upper end of the operating rod 15, the rotating handle 16 is positioned at the upper front part of the holding groove 6.1, the end of the rotating handle 16 is the operating end of the regulating valve 26, a conical rubber head 20 used for sealing and plugging the upper end opening of the vertical channel 21 is arranged at the lower end of the operating rod 15, the maximum diameter of the conical rubber head 20 is larger than, the lower portion of the vertical passage 21 is connected to the rear end of the inner suction pipe 8. The upper port of the vertical channel 21 can be gradually opened or sealed and closed by rotating the rotating handle 16, so that the closing of the internal liquid suction pipeline 8 and the adjustment of the flow are realized, the structure is simple, the operation is convenient, the cost is low, and the disposable liquid suction pipeline can be used for one time.

The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.

Claims

1. The utility model provides a from inhaling type sinus and washing and robbing with endoscope front end spacer sleeve, it includes casing, washing liquid pipe and booster pump, the rear end fixed mounting of washing liquid pipe is in the front end of casing, just the washing liquid pipe extends forward the front end of washing liquid pipe is equipped with corresponding crooked washing head be equipped with a plurality of washing holes on the lateral wall of washing head, its characterized in that: a liquid suction pipe wall is arranged outside the upper side wall of the flushing pipe, the side edge of the liquid suction pipe wall is hermetically connected with the upper side wall of the flushing pipe, a liquid suction channel is arranged between the liquid suction pipe wall and the upper side wall of the flushing pipe, a liquid suction head is arranged at the front end of the liquid suction channel, and a plurality of liquid suction holes are formed in the liquid suction head; the self-suction type nasal sinus flushing gun also comprises a regulating valve and a compression bag for generating negative pressure to suck liquid, and an inner liquid conveying pipeline and an inner liquid sucking pipeline are arranged in the shell; the front end of the inner infusion pipeline is communicated with the flushing pipe, the rear end of the inner infusion pipeline is provided with a first connector, and the first connector is exposed out of the rear end of the shell; the booster pump is arranged separately from the shell, an outer liquid conveying pipe is connected to the liquid outlet end of the booster pump, a second connector which is in matched and inserted connection with the first connector is arranged at the liquid outlet end of the outer liquid conveying pipe, and a connecting pipe which is used for being connected with an external liquid storage tank is arranged at the liquid inlet end of the booster pump; the front end of the inner liquid suction pipeline is communicated with the liquid suction channel, the rear end of the inner liquid suction pipeline is hermetically connected with the compression bag, and a return spring which provides a return force required by the compression bag in a compressed state to the expansion state is sleeved on the compression bag; the regulating valve is arranged on the inner liquid suction pipeline, and the operating end of the regulating valve is exposed out of the shell; the lower surface of the shell and the lower surface of the flushing pipe are respectively embedded and fixed with a first soft isolation sleeve and a second soft isolation sleeve which are used for being sleeved at the front part of an optical fiber pipe of an endoscope, the first soft isolation sleeve and the second soft isolation sleeve are corresponding and communicated, the joint of the first soft isolation sleeve and the second soft isolation sleeve is in smooth transition, the rear end of the rear part of the shell is provided with a penetrating port for penetrating the front part of the optical fiber pipe of the endoscope, the front end of the second soft isolation sleeve is positioned at the front end of the flushing head, and a transparent cover is hermetically covered at the front port of the second soft isolation sleeve.

2. The self-priming sinus irrigator with an endoscope front end spacer sleeve according to claim 1, wherein: the lower surface of the shell and the lower surface of the liquid flushing pipe are respectively provided with a first groove and a second groove, the first groove and the second groove are corresponding and communicated, the joint of the first groove and the second groove is in smooth transition, and the first soft isolation sleeve and the second soft isolation sleeve are correspondingly embedded and fixed in the first groove and the second groove.

3. The self-priming sinus irrigator with an endoscope front end spacer sleeve according to claim 1, wherein: the compression bag is positioned outside the shell and is hermetically connected with the rear end of the inner liquid suction pipeline through an extension pipe.

4. The self-priming sinus irrigator with an endoscope front end spacer sleeve according to claim 3, wherein: the rear end of interior imbibition pipeline is equipped with the third connector, the corresponding end of extension pipe be equipped with the fourth connector of third connector cooperation grafting.

5. The self-priming sinus irrigator with an endoscope front end spacer sleeve according to claim 1, wherein: the compression bag is provided with a sampling hole, and a sealing cover is arranged on the sampling hole in a sealing manner.

6. The self-priming sinus irrigator with an endoscope front end spacer sleeve according to claim 1, wherein: the compression bag is cylindric, the compression bag is equipped with the upper end plate and the lower end plate of stereoplasm, the inside of compression bag is airtight space, the rear end of interior imbibition pipeline with the upper portion of compression bag is connected, and with the inside airtight space intercommunication of compression bag.

7. The self-priming sinus irrigator with an endoscope front end spacer sleeve according to claim 6, wherein: the return spring is sleeved outside the compression bag and connected with the outer wall of the compression bag, and the upper end and the lower end of the return spring are fixedly connected with the upper end plate and the lower end plate respectively.

8. The self-priming sinus irrigator with an endoscope front end spacer sleeve according to claim 1, wherein: the adjustable valve comprises a valve body and an operating rod, wherein a horizontal channel and a vertical channel are arranged in the valve body, the upper end of the vertical channel is communicated with the horizontal channel, the upper side wall of the horizontal channel corresponds to the vertical channel, a threaded hole is formed in the vertical channel, an external thread which is in fit connection with the internal thread of the threaded hole is arranged in the middle of the operating rod, the operating rod is in fit connection with the threaded hole, a sealing ring is arranged on the inner side of the upper end of the threaded hole, a rotating handle which is exposed out of the shell is arranged at the upper end of the operating rod, a conical rubber head which is used for sealing and plugging the upper port of the vertical channel is arranged at the lower end of the operating rod, the horizontal channel is connected with the front end of the inner liquid suction pipeline, and the lower portion of the vertical channel is connected.

9. The self-priming sinus irrigator with an endoscope front end spacer sleeve according to claim 1, wherein: a gripping groove corresponding to the four fingers of the palm is arranged at the lower side of the rear part of the shell, so that a user can grip and flush the palm conveniently.