CN211724163U - Suction head of abdominal cavity suction apparatus - Google Patents

Abstract

The utility model discloses a suction head of abdominal cavity aspirator, including being used for being linked together with the negative pressure pipe of aspirator and being used for absorbing the straw of abdominal cavity intracavity ascites, pus, blood etc., fixed the setting is in the straw stretches into the expansion net on the abdominal one end pipe wall, the expansion net is around straw outer wall a week and parcel the straw stretches into abdominal cavity's one end. Through setting up the inflation net on the straw outer wall, the inflation net can directly block soft tissues such as intestines tube, omentum majus and move towards the straw to avoid the soft tissue to block up and block up the suction hole, avoided the attraction process to be obstructed, guarantee that the operation goes on smoothly.

Description

Suction head of abdominal cavity suction apparatus

Technical Field

The utility model relates to the field of abdominal cavity operation equipment, in particular to a suction head of an abdominal cavity suction apparatus.

Background

In recent years, with the rapid advancement of medical device technology and the continuous progress of surgical concept, the proportion of laparoscopic surgery accounts for more than half of the surgical operation. In general, almost all general surgical operations, such as operations on liver, gall bladder, pancreas, spleen, gastrointestinal tumors, abdominal hernia repair, etc., and various operations on the urogenital system, such as operations on kidney, prostate, bladder tumors, hysterectomy, etc., can be performed laparoscopically; the principle is that a plurality of operation holes are established through the abdominal wall of a patient, a laparoscope lens with cold light source illumination and a long rod-shaped laparoscope operation instrument rod are placed after an artificial pneumoperitoneum is established, an operator operates the instrument rod outside the patient body to perform various operation operations in a closed abdominal space by observing real-time pictures transmitted to a display by the laparoscope lens, and the aim of minimally invasive treatment is fulfilled by 'precise dissection' under an enlarged visual field; the laparoscopic surgery is becoming the development direction of the surgery field with its rapid trend because of its numerous advantages of small trauma, fast postoperative recovery, short hospitalization time, less pain to the patient, etc.

At present, blood suction, smoking and the like in the laparoscopic surgery process are finished by means of an aspirator, a suction head of the aspirator generally adopts a suction tube, the front end of the suction tube is used for extending into an abdominal cavity, and the rear end of the suction tube is used for being connected with a negative pressure tube of the aspirator to provide negative pressure for the front end of the suction tube, so that the suction tube can suck ascites, pus, blood and the like in the surgery process. At present, the suction head of the suction apparatus on the market sucks through negative pressure in the operation process, soft tissues near the suction pipe can also be sucked and wriggle to the position of the suction pipe, so that the suction hole on the suction pipe is easily blocked by tissues in the abdominal cavity in the use process, and the suction process is blocked.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned prior art, an object of the present invention is to provide a suction head of an abdominal cavity suction apparatus, which aims to solve the problem that the suction process is blocked due to the peristalsis of the tissues in the abdominal cavity during the operation of the conventional suction apparatus.

The technical scheme of the utility model as follows:

the suction head of the abdominal cavity suction apparatus comprises a suction pipe which is communicated with a negative pressure pipe of the suction apparatus and is used for sucking liquid in an abdominal cavity, and an expansion net which is fixedly arranged on the pipe wall of one end of the suction pipe extending into the abdominal cavity, wherein the expansion net surrounds the outer wall of the suction pipe for a circle and wraps one end of the suction pipe extending into the abdominal cavity.

Further, a sleeve is sleeved on the outer side of the suction pipe, the suction pipe moves axially along the sleeve, a cavity is arranged between the suction pipe and the sleeve, and the cavity is used for accommodating the expansion net when the suction pipe is contracted into the sleeve.

Furthermore, a protection ring is fixedly arranged on the outer wall of the tail end of the suction pipe extending into the abdominal cavity.

Further, the expanded mesh comprises: the fixed setting is in solid fixed ring on the straw outer wall encircles a plurality of steel wires that straw outer wall a week set up, it is a plurality of steel wire one end is fixed to be set up gu fixed ring is last, a plurality of the other end of steel wire is in the straw is as an organic whole towards fixed connection on the abdominal cavity extending direction.

Furthermore, a metal head is fixedly arranged at the tail end of the expansion net close to the abdominal cavity.

Furthermore, a plurality of openings are arranged on the outer wall of the tail end of the suction pipe extending into the abdominal cavity.

Further, a plurality of the openings with a plurality of the steel wire interval sets up.

Further, the expansion net is a nickel-titanium alloy wire net.

Compared with the prior art, the utility model provides a suction head of abdominal cavity aspirator, suction device in the operation process is through stretching into the abdominal cavity inside to when absorbing waste blood and waste residue in the abdominal cavity through the suction hole on the straw, the soft tissue near suction head can wriggle to the straw position and surround the straw through negative pressure suction, set up the inflation net on the straw outer wall, the inflation net can directly block the soft tissue and remove towards the straw, thereby avoid the soft tissue to block and block up the suction hole, avoided the suction process to be obstructed, guarantee to perform smoothly the operation.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

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

fig. 3 is a cross-sectional view of an embodiment of the present invention;

the reference numbers in the figures: 100. a straw; 110. a negative pressure tube; 120. sucking holes; 130. an opening; 200. an expanded mesh; 210. a fixing ring; 220. a steel wire; 230. a metal head; 300. a sleeve; 310. a cavity; 320. a sliding sleeve; 330. a push rod; 340. a guide groove; 350. pushing the platform; 400. a guard ring.

Detailed Description

The utility model provides a suction head of abdominal cavity suction apparatus, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, and it is right that the following refers to the attached drawing and lifts the example the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the utility model provides a suction head of abdominal cavity aspirator, including the straw 100 that is used for being linked together with the negative pressure tube 110 of aspirator, the abdominal cavity was kept away from to straw 100 one end is linked together with negative pressure tube 110, and straw 100 is close to abdominal cavity one end and stretches into the abdominal cavity when the operation and be used for absorbing abdominal cavity waste blood sediment straw 100 stretches into fixed expansion net 200 that is provided with on the abdominal cavity one end pipe wall, expansion net 200 wraps up around straw 100 outer wall a week straw 100 stretches into abdominal cavity one end. For convenience of description, the end of the pipette 100 extending into the abdominal cavity is referred to as the front end, and the end of the pipette 100 away from the abdominal cavity is referred to as the rear end. The expansion net 200 is arranged outside the outer wall of the suction tube 100, which is equivalent to a layer of net supported at the front end of the suction tube 100, the front end of the suction tube 100 is provided with a plurality of suction holes 120 or through grooves, and the suction holes 120 are communicated with the inner hole of the suction tube 100, so that the suction tube 100 sucks waste blood and waste residues in the abdominal cavity during surgery through the suction holes 120.

Suction apparatus in the operation process is through stretching into the abdominal cavity inside to when sucking hole 120 on straw 100 and absorbing waste blood and waste residue in the abdominal cavity, the blood meat group near the suction head can wriggle to straw 100 position and surround straw 100 through negative pressure suction, through setting up expansion net 200 on the straw 100 outer wall, expansion net 200 can directly block the soft tissue and remove towards straw 100, thereby avoid the soft tissue to block and block up suction hole 120, avoided inhaling waste blood process and hindered, guarantee that the operation goes on smoothly.

As shown in FIG. 3, a sleeve 300 is sleeved outside the pipette 100 of this embodiment, the pipette 100 moves axially along the sleeve 300, a gap is provided between the pipette 100 and the sleeve 300, so that a cavity 310 is formed between the pipette 100 and the sleeve 300, and the cavity 310 is used for accommodating the expansion net 200 when the pipette 100 is contracted into the sleeve 300. A sliding sleeve 320 is fixedly arranged on the outer wall of the suction pipe 100 near the rear end, the sliding sleeve 320 is embedded in the inner hole of the sleeve 300 in a clamping manner for sliding, a radially extending push rod 330 is integrally formed on the sliding sleeve 320, a guide groove 340 is axially arranged on the sleeve 300, the push rod 330 is embedded in the guide groove 340 in a clamping manner and penetrates through the guide groove 340, and a push platform 350 is fixedly arranged at one end, exposed out of the guide groove 340, of the push rod 330. When in operation, the pushing platform 350 is pushed towards the front end, the pushing platform 350 drives the pushing rod 330 to move towards the abdominal cavity, and further drives the suction tube 100 to move towards the abdominal cavity, so that the expansion net 200 is carried by the front end of the suction tube 100 to be exposed out of the sleeve 300 and enter the abdominal cavity, the expansion net 200 is propped open after being not constrained by the sleeve 300, the internal area formed by the expansion net 200 is enlarged, and the front end of the suction tube 100 is positioned in the internal area of the expansion net 200, therefore, when the suction tube 100 sucks waste blood, the expansion net 200 can block blood and meat tissues, so that no soft tissue exists in a certain range around the front end of the suction tube 100, the waste blood sucking process is prevented from being blocked, and the smooth operation is ensured. When the suction pipe is completely extended, the length of the suction pipe extending out of the sleeve is 3cm, and the length from the foremost end of the suction pipe to the push table is 30-40 cm. When the suction head is to be retracted, the pushing platform 350 is pushed towards the rear end, the pushing platform 350 drives the pushing rod 330 to move away from the abdominal cavity, and further drives the suction tube 100 to move away from the abdominal cavity, so that the front end of the suction tube 100 is contracted into the cavity 310 of the sleeve 300 along with the expansion net 200, the expansion net 200 is made of medical special metal materials or medical high polymer materials and has memorability, such as nickel-titanium alloy wires, PU \ PE and other materials, so that the expansion net 200 has certain elasticity, and therefore, the suction head can be accommodated into the cavity 310 through compression of the sleeve 300 when not in use.

As shown in fig. 1 and 2, a protection ring 400 is fixedly disposed on the outer wall of the distal end of the pipette 100 of the present embodiment, which extends into the abdominal cavity. The protection ring 400 is a soft rubber ring, so that the expansion net 200 is expanded, a certain supporting effect is provided for the lower part of the expansion net 200, and the supporting strength of the expansion net 200 on the blood and meat tissues can be increased; when expanded mesh 200 contracts, it is also possible to prevent expanded mesh 200 from directly rubbing against the outer wall of drinking straw 100, thereby abrading drinking straw 100 or expanded mesh 200.

The structure of the expanded mesh 200 in this embodiment includes: the fixing ring 210 is fixedly arranged on the outer wall of the straw 100, the steel wires 220 are arranged around the outer wall of the straw 100 in a circle, one ends of the steel wires 220 are fixedly arranged on the fixing ring 210, and the other ends of the steel wires 220 are fixedly connected into a whole in the extending direction of the straw 100 towards the abdominal cavity. Thus, the long steel wires form a protective net around the outer wall of the straw 100 to block the blood and flesh tissues. The end of the expansion net 200 close to the abdominal cavity is fixedly provided with a metal head 230, that is, one end of the plurality of steel wires 220 which is fixedly connected into a whole in the extending direction of the suction pipe 100 towards the abdominal cavity is fixedly provided with the metal head 230, the metal head 230 is of a hemispherical structure, the metal head 230 prevents the tip part of the front end of the expansion net 200 from being in rigid contact with the human body, so as to protect the human tissue, wherein the front end of the metal head 230 is a plane, and the plane structure can prevent the expansion net 200 from contusing the human tissue. The metal head can also be replaced by the soft rubber head, but the soft rubber head is not easy to disinfect in practice, and because the soft rubber head is generally disinfected at high temperature, is easy to age and fall off in the abdominal cavity, hidden troubles are caused, and therefore the soft rubber head which is frequently replaced needs to be adopted when the abdominal cavity disinfection device is used.

The outer wall of the end of the straw 100 extending into the abdominal cavity is provided with a plurality of openings 130. The opening 130 may be provided to facilitate the aspiration of waste fluid by the front end of the pipette 100. Waste liquid and waste residue enter from the opening 130, and the structure of the opening 130 is larger than the area of the suction hole 120 on the suction pipe 100, so that waste residue or waste liquid which cannot be sucked by the suction hole 120 can be sucked conveniently.

A plurality of the opening 130 with a plurality of the steel wire 220 interval sets up, and steel wire 220 can not block opening 130 like this, and steel wire 220 can block the blood flesh tissue again simultaneously, more makes things convenient for the operation to go on.

The expansion net 200 of the present invention may be in other forms, such as a net structure formed by connecting other steel wires between the steel wires 220 as a skeleton; or spider webs, cross-shaped net structures, etc.

To sum up, the utility model provides a suction head of abdominal cavity aspirator, suction device in the operation process is through stretching into the abdominal cavity inside to when absorbing waste blood and the waste residue of suction hole 120 in to the abdominal cavity through straw 100, the blood meat group near suction head can wriggle straw 100 position and surround straw 100 through negative pressure suction, set up expansion net 200 on the outer wall through straw 100, expansion net 200 can directly block the blood meat tissue and remove towards straw 100, thereby avoid the blood meat tissue to block and block up suction hole 120, avoided inhaling waste blood process and blocked, guarantee that the operation goes on smoothly.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (8)

1. The suction head of the abdominal cavity suction apparatus is characterized by comprising a suction pipe which is communicated with a negative pressure pipe and is used for sucking liquid in an abdominal cavity, and an expansion net which is fixedly arranged on the pipe wall of one end, extending into the abdominal cavity, of the suction pipe, wherein the expansion net surrounds the outer wall of the suction pipe for a circle and wraps one end, extending into the abdominal cavity, of the suction pipe.

2. The suction head of the abdominal cavity suction apparatus as claimed in claim 1, wherein a sleeve is sleeved outside the suction tube, the suction tube moves axially along the sleeve, and a cavity is provided between the suction tube and the sleeve for accommodating the expansion net when the suction tube is retracted into the sleeve.

3. The suction head of the abdominal cavity suction apparatus as claimed in claim 2, wherein a protection ring is fixedly arranged on the outer wall of the end of the suction tube extending into the abdominal cavity.

4. The suction head of the abdominal cavity suction apparatus as set forth in claim 2, wherein the expanded mesh comprises: the fixed setting is in solid fixed ring on the straw outer wall encircles a plurality of steel wires that straw outer wall a week set up, it is a plurality of steel wire one end is fixed to be set up gu fixed ring is last, a plurality of the other end of steel wire is in the straw is as an organic whole towards fixed connection on the abdominal cavity extending direction.

5. The suction head of the abdominal cavity suction apparatus as claimed in claim 4, wherein the expansion net is fixedly provided with a metal head near the end of the abdominal cavity.

6. The suction head of the abdominal cavity suction apparatus as claimed in claim 5, wherein the outer wall of the end of the suction tube extending into the abdominal cavity is provided with a plurality of openings.

7. The suction head of the abdominal cavity suction apparatus as claimed in claim 6, wherein a plurality of said openings are spaced from said plurality of said steel wires.

8. The suction head of the abdominal cavity suction apparatus as claimed in claim 1, wherein the expanded mesh is a nickel titanium alloy wire mesh.

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