CN213374196U

CN213374196U - Multifunctional laparoscopic aspirator

Info

Publication number: CN213374196U
Application number: CN202021632557.4U
Authority: CN
Inventors: 李婷; 刘朝晖
Original assignee: BEIJING OBSTETRICS AND GYNECOLOGY HOSPITAL CAPITAL MEDICAL UNIVERSITY
Current assignee: BEIJING OBSTETRICS AND GYNECOLOGY HOSPITAL CAPITAL MEDICAL UNIVERSITY
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-06-08
Anticipated expiration: 2030-08-07

Abstract

A multi-functional laparoscopic aspirator, comprising: a suction head, a negative pressure absorption device, a flushing pipeline and a suction handle; the suction head is a drag hook suction head with sawteeth on the end surface or a separation suction head with smooth end surface, and through holes are arranged on the surfaces of the drag hook suction head and the separation suction head; a valve cylinder is arranged between the suction head and the suction handle; the valve cylinder is detachably connected with the suction head and the suction handle; a pipe orifice is arranged on the outer surface of the valve cylinder in a penetrating way; a two-way valve body which is arranged in the valve barrel corresponding to the pipe orifice and slides in the valve barrel, can open the pipe orifice of the flushing pipe and close the pipe orifice of the negative pressure pipe or open the pipe orifice of the negative pressure pipe and close the pipe orifice of the flushing pipe; the drag hook suction head is arranged to pull the intestinal tract and the omentum majus tissue, and the separating suction head is arranged to separate the viscus tissue adhesion and the gap in a blunt manner; the doctor can directly control the opening and closing of the flushing pipeline and the negative pressure device in the valve barrel through the two-way valve body, and the situation that the flushing pipeline or the negative pressure device is independently opened and closed in an operation is avoided.

Description

Multifunctional laparoscopic aspirator

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to is a multi-functional peritoneoscope aspirator.

Background

At present, the traditional suction apparatus is easily blocked by foreign matters such as blood clots and myoma tissue fragments during operation, and normal tissues in abdominal cavities such as omentum majus and important pathological specimens need to be reserved are easily sucked by mistake during suction in the abdominal cavities, so that the operation is influenced. In addition, the abdominal operation part is generally deeper, and the operation is more complicated; therefore, the general organ grasping forceps can not effectively clamp to turn over, pull, block, press and the like, if tissue organs such as intestinal tracts in abdominal cavities need to be moved and separated, special tissue organ grasping forceps or drag hooks are usually adopted, so that a plurality of instruments are caused, the operation is troublesome to apply, the operation time is prolonged, the ideal operation effect cannot be met, the operation difficulty is greatly increased, the operation time is prolonged, and the operation success rate is reduced.

The utility model provides a multi-functional peritoneoscope aspirator to the problem that current traditional aspirator is not conform to current medical demands.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem that the existing traditional suction apparatus is not in line with the existing medical requirements, the utility model provides a multifunctional laparoscope suction apparatus.

A multi-functional laparoscopic aspirator, comprising: a suction head which is contacted with the normal saline and blood at the deep part of the affected part, a negative pressure absorption device, a flushing pipeline and a suction handle which is connected with the negative pressure device and the flushing pipeline; the surgical operation interference head is characterized in that the suction head is a drag hook suction head with sawteeth on the end surface or a separation suction head with smooth end surface, and through holes for the surgical operation interference objects to pass through are arranged on the surfaces of the drag hook suction head and the separation suction head; a hollow cylindrical valve cylinder which is connected with the flushing pipeline and the negative pressure device is arranged between the suction head and the suction handle; the valve cylinder is detachably connected with the suction head and the suction handle; the outer surface of the valve barrel is provided with a pipe orifice which is connected with a flushing pipe in a flushing pipeline and a negative pressure pipe in a negative pressure device in a penetrating way; a two-way valve body which is arranged in the valve barrel corresponding to the pipe orifice and slides in the valve barrel, can open the pipe orifice of the flushing pipe and close the pipe orifice of the negative pressure pipe or open the pipe orifice of the negative pressure pipe and close the pipe orifice of the flushing pipe; the drag hook suction head is arranged to pull the intestinal tract and the omentum majus tissue, and the separating suction head is arranged to separate the viscus tissue adhesion and the gap in a blunt manner; the doctor can directly control the opening and closing of the flushing pipeline and the negative pressure device in the valve barrel through the two-way valve body, and the situation that the flushing pipeline or the negative pressure device is independently opened and closed in an operation is avoided.

Further, a suction tube is arranged between the suction head and the valve cylinder, one end of the suction tube is in threaded connection with the suction head, and the other end of the suction tube is fixedly connected with the valve cylinder; the arrangement can increase the depth of the surgical suction apparatus.

Further, the outer diameter of the valve cylinder is larger than that of the suction tube, and the inner diameter of the valve cylinder is the same as that of the suction tube; the two-way valve body is in a hollow barrel shape; the inner diameter of the two-way valve body is the same as that of the suction tube; a hollow telescopic cylinder with the same wall thickness as the suction pipe is correspondingly arranged between the other end of the suction pipe and the first end of the two-way valve body; the arrangement can ensure that water flow or absorbent smoothly passes through the two-way valve body and the suction tube.

Further, a water inlet pipe orifice and a water outlet pipe orifice which are connected with the flushing pipe, and a negative pressure inlet pipe orifice and a negative pressure recovery pipe orifice which are connected with the negative pressure pipe are respectively arranged on the outer surface of the valve barrel, the water inlet pipe orifice and the water outlet pipe orifice are arranged on the same longitudinal section by taking the horizontal ground as a reference surface, the negative pressure inlet pipe orifice and the negative pressure recovery pipe orifice are arranged on the same longitudinal section, and the water inlet pipe orifice and the negative pressure inlet pipe orifice are arranged on the same transverse section.

Furthermore, a first annular passage for communicating the water inlet pipe orifice with the water outlet pipe orifice pipeline and a second annular passage for communicating the negative pressure inlet pipe orifice with the negative pressure recovery pipe orifice pipeline are respectively arranged at the two ends of the two-way valve body; the same side surface of the two-way valve body is respectively provided with a first through hole and a second through hole for water flow or absorbing matters to pass through the two-way valve body.

Furthermore, the center distance between the first through hole and the second through hole on the same side surface of the two-way valve body is smaller than the center distance between the water inlet pipe orifice and the negative pressure inlet pipe orifice, and the center distance between the first annular passage and the second annular passage arranged at the two ends of the two-way valve body is larger than the center distance between the water inlet pipe orifice and the negative pressure inlet pipe orifice.

Further, the first through hole on the surface of the two-way valve slides to the water inlet pipe orifice on the surface of the valve cylinder to be at a first position; the second through hole on the surface of the two-way valve slides to a second position where the negative pressure on the surface of the valve cylinder enters the pipe orifice; when the two-way valve body is used, when the two-way valve body reaches the first position, the second annular passage is communicated with the negative pressure inlet pipe orifice and the negative pressure recovery pipe orifice pipeline; the water flow smoothly flows through the two-way valve body and the suction tube to the suction head, and the second annular passage, the negative pressure inlet tube opening and the negative pressure recovery tube opening form a negative pressure recovery passage.

Further, a push-pull mechanism for the two-way valve body to slide in the valve cylinder is arranged at the barrel-shaped bottom of the two-way valve body; set up push-and-pull institution includes: a straight rod, a rack, a gear and a round rod; a straight rod is arranged at the barrel-shaped bottom of the two-way valve body, and a rack is arranged on the end surface of the straight rod; a round rod penetrating through the wall of the valve barrel is arranged at the vertical position of the straight rod, and a gear meshed with the rack is arranged at the first end of the round rod; when the two-way valve is used, the round rod outside the valve barrel is rotated, the gear arranged at the first end of the round rod is meshed with the rack to carry out linear reciprocating telemechanical movement, and the round rod fixedly connected with the rack pushes the two-way valve body to do linear reciprocating movement in the valve barrel.

Furthermore, a telescopic handle convenient for a user to operate is arranged at the first end of the round rod, and a limiting disc is arranged on the outer wall of the valve cylinder; and a scale bar for representing a first position and a second position is arranged on the limiting disc.

Furthermore, a slide rail slide block which ensures that the valve cylinder and the two-way valve body do not slide relatively is arranged on the contact surface of the valve cylinder and the two-way valve body.

Furthermore, in order to prevent the round rod from sliding up and down, a limiting block which enables the round rod to be always vertical to the rack is arranged on the inner wall of the valve cylinder, and a ball bearing is arranged at the position where the round rod penetrates through the limiting block.

Furthermore, an adjusting ball valve for controlling the flow rate of water flow or absorbent is arranged between the suction tube and the valve cylinder; the arrangement is also convenient for simultaneously closing or opening the negative pressure device and the flushing pipeline.

Further, a projection for preventing the hand from slipping is provided on the suction handle.

Furthermore, the draw hook suction head is arranged to be hook-shaped, and the arrangement is convenient for medical staff to draw tissues.

Compared with the laparoscopic suction apparatus in the prior art, the technical scheme of the utility model is that a drag hook suction head is arranged to draw the intestinal tract and the omentum majus tissue, and a separation suction head is arranged to separate the viscus tissue adhesion and the gap in a blunt manner; the doctor can directly control the opening and closing of the flushing pipeline or the negative pressure device in the valve barrel through the two-way valve body, and the situation that the flushing pipeline or the negative pressure device is independently opened and closed in an operation is avoided. The adjusting ball is arranged to simultaneously open or close the flushing pipeline and the negative pressure device.

Drawings

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

FIG. 2 is a schematic structural view of a separating suction head of the present invention;

FIG. 3 is a schematic structural view of the suction head of the middle drag hook of the present invention;

FIG. 4 is a schematic structural view of a middle valve cartridge according to the present invention;

FIG. 5 is a schematic structural view of the two-way valve body of the present invention;

fig. 6 is a schematic side view of the valve cartridge of the present invention;

fig. 7 is a schematic view of the overall structure of embodiment 2 of the present invention;

in the figure, 1, a suction head; 2. a suction tube; 3. adjusting a ball valve; 4. a valve barrel; 5. a suction handle; 101. Separating the suction head; 102. pulling the hook to attract the head; 6. a two-way valve body; 7. a push-pull mechanism; 401. a negative pressure recovery pipe orifice; 402. negative pressure enters the pipe orifice; 403. a water outlet pipe orifice; 404. a water inlet pipe orifice; 601. a first through passage; 602. a first through hole; 603. a second through hole; 604. a second through passage; 701. a straight rod; 702. a round bar; 703. a rack; 704. a gear; 8. a limiting block; 405. a limiting disc; 406. a scale bar; 705. a retractable handle; 9. and (4) protruding.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the disclosure in the specification. The utility model discloses can also implement or use through other different concrete implementation manners, under the condition of conflict-free, the characteristics in following embodiment and the embodiment can make up each other, based on the embodiment in the utility model, all other embodiments that the ordinary skilled in the art obtained under the prerequisite of not making creative work all belong to the scope of protection of the utility model.

Embodiment 1A multifunctional laparoscopic aspirator

A multi-functional laparoscopic aspirator, comprising: a suction head 1 contacting with the normal saline and blood at the deep part of the affected part, a negative pressure absorption device, a flushing pipeline, and a suction handle 5 connecting the negative pressure device and the flushing pipeline; the surgical operation interference-free suction head is characterized in that the suction head 1 is a drag hook suction head 102 with sawteeth on the end face, and a through hole for a surgical interference object to pass through is formed in the surface of the drag hook suction head 102; a hollow cylindrical valve cylinder 4 which is connected with the flushing pipeline and the negative pressure device is arranged between the suction head 1 and the suction handle 5; the valve cylinder 4 is detachably connected with the suction head 1 and the suction handle 5; a suction tube 2 is arranged between the suction head 1 and the valve cylinder 4, one end of the suction tube 2 is in threaded connection with the suction head 1, and the other end of the suction tube 2 is fixedly connected with the valve cylinder 4; the outer surface of the valve cylinder 4 is provided with a pipe orifice for connecting a flushing pipe in a flushing pipeline and a negative pressure pipe in a negative pressure device; a two-way valve body 6 which slides in the valve cylinder 4 and can open the mouth of the flushing pipe and close the mouth of the negative pressure pipe or open the mouth of the negative pressure pipe and close the mouth of the flushing pipe is arranged in the valve cylinder 4 corresponding to the mouth of the pipe.

The outer diameter of the valve cylinder 4 is larger than the outer diameter of the suction tube 2, and the inner diameter of the valve cylinder 4 is the same as the outer diameter of the suction tube 2; the two-way valve body 6 is in a hollow barrel shape; the inner diameter of the two-way valve body 6 is the same as that of the suction tube 2; a hollow telescopic cylinder with the same wall thickness as the wall thickness of the suction tube 2 is correspondingly arranged between the other end of the suction tube 2 and the first end of the two-way valve body 6.

The outer surface of the valve barrel 4 is respectively provided with a water inlet pipe opening 404 and a water outlet pipe opening 403 which are connected with the flushing pipe, and a negative pressure inlet pipe opening 402 and a negative pressure recovery pipe opening 401 which are connected with the negative pressure pipe, wherein the water inlet pipe opening 404 and the water outlet pipe opening 403 are in the same longitudinal section, the negative pressure inlet pipe opening 402 and the negative pressure recovery pipe opening 401 are in the same longitudinal section, and the water inlet pipe opening 404 and the negative pressure inlet pipe opening 402 are in the same transverse section by taking the horizontal ground as a reference surface.

A first annular passage for communicating the water inlet pipe orifice 404 with the water outlet pipe orifice 403 pipeline and a second annular passage for communicating the negative pressure inlet pipe orifice 402 with the negative pressure recovery pipe orifice 401 pipeline are respectively arranged at the two ends of the two-way valve body 6; a first through hole 602 and a second through hole 603 for passing water or an absorbent through the two-way valve body 6 are provided on the same side surface of the two-way valve body 6, respectively.

The center distance between the first through hole 602 and the second through hole 603 on the same side surface of the two-way valve body 6 is smaller than the center distance between the water inlet pipe nozzle 404 and the negative pressure inlet pipe nozzle 402, and the center distance between the first annular passage and the second annular passage at the two ends of the two-way valve body 6 is larger than the center distance between the water inlet pipe nozzle 404 and the negative pressure inlet pipe nozzle 402.

Further, the first through hole 602 on the surface of the two-way valve body 6 slides to the water inlet pipe mouth 404 on the surface of the valve cylinder 4 to be at the first position; the second through hole 603 on the surface of the two-way valve body 6 slides until the negative pressure on the surface of the valve cylinder 4 enters the nozzle 402 to be at the second position.

A push-pull mechanism 7 for the two-way valve body 6 to slide in the valve cylinder 4 is arranged at the barrel-shaped bottom of the two-way valve body 6; the push-pull mechanism 7 is provided with: a straight rod 701, a rack 703, a gear 704 and a round rod; a straight rod 701 is arranged at the barrel-shaped bottom of the two-way valve body 6, and a rack 703 is arranged on the end face of the straight rod 701; a round rod penetrating through the wall of the valve cylinder 4 is arranged at the vertical position of the straight rod 701, and a gear 704 meshed with the rack 703 is arranged at the first end of the round rod; a telescopic handle 705 convenient for a user to operate is arranged at the first end of the round rod, and a limiting disc 405 is arranged on the outer wall of the valve cylinder 4; a scale bar 406 which represents a first position and a second position is arranged on the limiting disc 405; a slide rail slide block which ensures that the valve barrel 4 and the two-way valve body 6 do not slide relatively is arranged on the contact surface of the valve barrel 4 and the two-way valve body 6; a limiting block 8 which enables the round rod to be always vertical to the rack 703 is arranged on the inner wall of the valve cylinder 4, and a ball bearing is arranged at the position where the round rod penetrates through the limiting block 8.

An adjusting ball valve 3 for controlling the flow rate of water flow or absorbent is arranged between the suction tube 2 and the valve cylinder 4; the arrangement is also convenient for simultaneously closing or opening the negative pressure device and the flushing pipeline; a bulge 9 which is convenient for preventing the hands from sliding is arranged on the suction handle 5; the drag hook suction tip 102 is configured to facilitate the medical practitioner's pulling of the tissue in the hook-like shape.

Embodiment 2A multifunctional laparoscopic aspirator

A multi-functional laparoscopic aspirator, comprising: a suction head 1 contacting with the normal saline and blood at the deep part of the affected part, a negative pressure absorption device, a flushing pipeline, and a suction handle 5 connecting the negative pressure device and the flushing pipeline; the device is characterized in that the suction head 1 is a separation suction head 1011 with a smooth end surface, and a through hole for the passing of operation interference objects is arranged on the surface of the separation suction head 1011; a hollow cylindrical valve cylinder 4 which is connected with the flushing pipeline and the negative pressure device is arranged between the suction head 1 and the suction handle 5; the valve cylinder 4 is detachably connected with the suction head 1 and the suction handle 5; a suction tube 2 is arranged between the suction head 1 and the valve cylinder 4, one end of the suction tube 2 is in threaded connection with the suction head 1, and the other end of the suction tube 2 is fixedly connected with the valve cylinder 4; the outer surface of the valve cylinder 4 is provided with a pipe orifice for connecting a flushing pipe in a flushing pipeline and a negative pressure pipe in a negative pressure device; a two-way valve body 6 which slides in the valve cylinder 4 and can open the mouth of the flushing pipe and close the mouth of the negative pressure pipe or open the mouth of the negative pressure pipe and close the mouth of the flushing pipe is arranged in the valve cylinder 4 corresponding to the mouth of the pipe.

An adjusting ball valve 3 for controlling the flow rate of water flow or absorbent is arranged between the suction tube 2 and the valve cylinder 4; the arrangement is also convenient for simultaneously closing or opening the negative pressure device and the flushing pipeline; a projection 9 for preventing the hand from slipping is provided on the suction handle 5.

Claims

1. A multi-functional laparoscopic aspirator, comprising: a suction head which is contacted with the normal saline and blood at the deep part of the affected part, a negative pressure absorption device, a flushing pipeline and a suction handle which is connected with the negative pressure device and the flushing pipeline; the surgical operation interference head is characterized in that the suction head is a drag hook suction head with sawteeth on the end surface or a separation suction head with smooth end surface, and through holes for the surgical operation interference objects to pass through are arranged on the surfaces of the drag hook suction head and the separation suction head; a hollow cylindrical valve cylinder which is connected with the flushing pipeline and the negative pressure device is arranged between the suction head and the suction handle; the valve cylinder is detachably connected with the suction head and the suction handle; the outer surface of the valve barrel is provided with a pipe orifice which is connected with a flushing pipe in a flushing pipeline and a negative pressure pipe in a negative pressure device in a penetrating way; the two-way valve body is arranged in the valve barrel corresponding to the pipe orifice, slides in the valve barrel, can open the pipe orifice of the flushing pipe and close the pipe orifice of the negative pressure pipe or open the pipe orifice of the negative pressure pipe and close the pipe orifice of the flushing pipe.

2. The multifunctional laparoscopic aspirator according to claim 1, wherein a suction tube is provided between the suction head and the valve cylinder, one end of the suction tube is connected with the suction head by screw thread, and the other end of the suction tube is fixedly connected with the valve cylinder.

3. The multifunctional laparoscopic aspirator according to claim 2, wherein the valve cylinder has an outer diameter larger than the outer diameter of the suction tube, and the inner diameter of the valve cylinder is the same as the outer diameter of the suction tube; the two-way valve body is in a hollow barrel shape; the inner diameter of the two-way valve body is the same as that of the suction tube; a hollow telescopic cylinder with the same wall thickness as the suction tube is correspondingly arranged between the other end of the suction tube and the first end of the two-way valve body.

4. The multifunctional laparoscopic aspirator according to claim 2, wherein the outer surface of the valve cylinder is provided with a water inlet pipe and a water outlet pipe connected to the irrigation pipe, and a negative pressure inlet pipe and a negative pressure recovery pipe connected to the negative pressure pipe, respectively, the water inlet pipe and the water outlet pipe are arranged in the same longitudinal section, the negative pressure inlet pipe and the negative pressure recovery pipe are arranged in the same longitudinal section, and the water inlet pipe and the negative pressure inlet pipe are arranged in the same transverse section, with the horizontal ground as a reference surface.

5. The multifunctional laparoscopic aspirator according to claim 4, wherein a first annular passage for communicating the water inlet nozzle with the water outlet nozzle pipeline and a second annular passage for communicating the negative pressure inlet nozzle with the negative pressure recovery nozzle pipeline are respectively arranged at both ends of the two-way valve body; the same side surface of the two-way valve body is respectively provided with a first through hole and a second through hole for water flow or absorbing matters to pass through the two-way valve body.

6. The multifunctional laparoscopic aspirator according to claim 5, wherein the center distance between the first through hole and the second through hole on the same side surface of the two-way valve body is smaller than the center distance between the water inlet nozzle and the negative pressure inlet nozzle, and the center distance between the first annular passage and the second annular passage provided at both ends of the two-way valve body is larger than the center distance between the water inlet nozzle and the negative pressure inlet nozzle.

7. The multifunctional laparoscopic aspirator according to claim 5, wherein the first through hole of the surface of the two-way valve body is slid to the water inlet nozzle of the surface of the valve cylinder to a first position; the second through hole on the surface of the two-way valve slides to a second position where the negative pressure on the surface of the valve cylinder enters the pipe orifice; when the two-way valve body is in use, the second annular passage is communicated with the negative pressure inlet pipe orifice and the negative pressure recovery pipe orifice pipeline when the two-way valve body is in the first position.

8. The multifunctional laparoscopic aspirator according to claim 1, wherein a push-pull mechanism for the two-way valve body to slide in the valve cylinder is provided at the barrel-shaped bottom of the two-way valve body; set up push-and-pull institution includes: a straight rod, a rack, a gear and a round rod; a straight rod is arranged at the barrel-shaped bottom of the two-way valve body, and a rack is arranged on the end surface of the straight rod; a round rod penetrating through the wall of the valve barrel is arranged at the vertical position of the straight rod, and a gear meshed with the rack is arranged at the first end of the round rod.

9. The multifunctional laparoscopic aspirator according to claim 8, wherein a telescopic handle for user's manipulation is provided at the first end of the round rod, and a limiting disc is provided on the outer wall of the valve cylinder; and a scale bar for representing a first position and a second position is arranged on the limiting disc.

10. The multifunctional laparoscopic aspirator according to claim 2, wherein an adjusting ball valve for controlling the flow rate of water or absorbent is provided between the aspirator tube and the valve cylinder.