CN211357089U

CN211357089U - Flushing aspirator

Info

Publication number: CN211357089U
Application number: CN201922205273.0U
Authority: CN
Inventors: 卢海辉
Original assignee: General Hospital of Chinese PLA Hainan Branch
Current assignee: General Hospital of Chinese PLA Hainan Branch
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-28
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a flushing suction apparatus, which comprises a main body with end holes at both ends and flushing and sucking needles screwed and installed in the end holes through threads, wherein one flushing and sucking needle is used for flushing an operation area in an operation of a patient, and the other flushing and sucking needle is used for sucking out the flushed liquid; the flushing and sucking needle comprises a needle head for spraying liquid or sucking liquid and a needle tube for containing liquid, the needle head is arranged at one end of the needle tube, and a piston for pushing the liquid or providing negative pressure for sucking back the liquid is arranged in the needle tube; the inside cylinder telescopic link that is provided with of end hole that is located of device main part, the utility model is suitable for a medical instrument, the adoption can be dismantled between this washing suction needle and the device main part in the aspirator, can dismantle the needle of inhaling after using the completion and abandon, and the device main part only need carry on simple disinfection can, need not abandon it, such structure setting makes the device's use cost greatly reduced.

Description

Flushing aspirator

Technical Field

The utility model belongs to the technical field of medical instrument, specifically a wash aspirator.

Background

The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles which are directly or indirectly used for the human body, and comprises required computer software; the effect is mainly obtained by physical and other ways, not by pharmacological, immunological or metabolic ways, or is only assisted although the ways are involved; for the purpose of diagnosis, prevention, monitoring, treatment, or amelioration of a disease; diagnosis, monitoring, treatment, mitigation, or functional compensation of injury; examination, replacement, regulation or support of a physiological structure or physiological process; support or maintenance of life; controlling pregnancy; providing information for medical or diagnostic purposes by examining a sample from a human body;

the irrigation aspirator is a cleaning device for the operation visual field in the operation process, and the irrigation aspirator mainly comprises two actions of irrigation and attraction, however, most of the existing irrigation aspirators adopt an integrated structure, and after the use is finished, the whole device needs to be discarded, so that the use cost of the device is greatly improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a flushing aspirator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a flushing aspirator comprises a device main body with end holes at two ends and flushing and sucking needles screwed and installed in the end holes through threads, wherein one flushing and sucking needle is used for flushing an operation area in a patient operation, and the other flushing and sucking needle is used for sucking out flushed liquid;

the flushing and sucking needle comprises a needle head for spraying liquid or sucking liquid and a needle tube for containing liquid, the needle head is arranged at one end of the needle tube, and a piston for pushing the liquid or providing negative pressure for sucking back the liquid is arranged in the needle tube;

the device main part is inside to be located the inside cylinder telescopic link that is provided with of end hole, the free end of cylinder telescopic link inserts the needle tubing inside with the connection can be dismantled to the piston, device main part center department has seted up the cavity, the inside branch pipe that is provided with into the cylinder telescopic link is led and is pressed of cavity, the outside of device main part is provided with the person in charge who is used for connecting external air pump and connects, the one end that is responsible for the joint extends to the cavity inside with the one end of branch pipe is connected.

Preferably, one side of the piston, which is close to the cylinder telescopic rod, is provided with a threaded sleeve, the free end of the cylinder telescopic rod adopts a threaded structure, and the free end of the cylinder telescopic rod is screwed and inserted in the threaded sleeve.

Preferably, the inner wall of the needle tube is provided with a second limiting sheet for limiting the moving position of the piston.

Preferably, the inner wall of the needle tube is further provided with a sliding groove, the outer wall of the piston is provided with a convex block, and the convex block is clamped inside the sliding groove.

Preferably, a first limiting piece used for limiting the insertion depth of the flushing and sucking needle is arranged at one end of the flushing and sucking needle on the inner wall of the end hole.

Preferably, an electromagnetic valve is arranged in the branch pipe, and a control button for controlling the electromagnetic valve to open and close is embedded in the surface of the device main body.

Preferably, a lens is embedded in the outer surface of the device body at the end hole.

The utility model relates to a flushing suction apparatus, the flushing suction needle in the flushing suction apparatus is detachably connected with the main body of the apparatus, the flushing suction needle can be detached and discarded after the use is finished, and the main body of the apparatus only needs to be simply sterilized and does not need to be discarded, so the structure arrangement greatly reduces the use cost of the apparatus;

the utility model discloses in, end hole inner wall and needle tubing inner wall are provided with first spacing piece and the spacing piece of second respectively, can restrict through first spacing piece and dash and inhale the needle insertion depth, can restrict the shift position of piston through the spacing piece of second, and the phenomenon that the cylinder telescopic link can not reach the thread bush position can not appear when the device assembles like this, has guaranteed going on smoothly of equipment.

Drawings

FIG. 1 is a schematic view of the whole structure of a flushing aspirator of the present invention;

FIG. 2 is a schematic view of the internal structure of a flushing aspirator of the present invention;

fig. 3 is an exploded view of the irrigation aspirator of the present invention.

Reference numerals: 1. a suction needle; 2. a lens; 3. a device main body; 4. a control button; 5. a main pipe joint; 6. a piston; 7. a cylinder telescopic rod; 8. an electromagnetic valve; 9. a branch pipe; 10. a cavity; 11. an end hole; 12. a first limiting sheet; 13. a needle head; 14. a second limiting sheet; 15. a bump; 16. a threaded sleeve; 17. a chute; 18. a needle cannula.

Detailed Description

The following will further describe a specific embodiment of the irrigation aspirator of the present invention with reference to the accompanying drawings 1-3. The irrigation aspirator of the present invention is not limited to the description of the following embodiments.

Example 1:

the present embodiment provides a specific structure of an irrigation aspirator, as shown in fig. 1-3, which includes a device body 3 with end holes 11 at two ends and irrigation and aspiration needles 1 screwed and installed inside the end holes 11 through threads, wherein one irrigation and aspiration needle 1 is used for irrigating an operation area of a patient in an operation, and the other irrigation and aspiration needle 1 is used for sucking out an irrigation liquid;

the flushing and sucking needle 1 comprises a needle head 13 for spraying liquid or sucking liquid and a needle tube 18 for containing liquid, the needle head 13 is arranged at one end of the needle tube 18, and a piston 6 for pushing the liquid or providing negative pressure for sucking back the liquid is arranged in the needle tube 18;

the inside cylinder telescopic link 7 that is provided with of end hole 11 that lies in of device main part 3, the free end of cylinder telescopic link 7 inserts that 18 are inside can dismantle with piston 6 and be connected of needle tubing, cavity 10 has been seted up to device main part 3 center department, cavity 10 is inside to be provided with the branch pipe 9 of leading for cylinder telescopic link 7 and pressing, the outside of device main part 3 is provided with the person in charge who is used for connecting external air pump and connects 5, the one end that the person in charge connects 5 extends to the inside one end with branch pipe 9 of cavity 10 and is connected.

By adopting the technical scheme:

because it is disposable article to wash the aspirator, need abandon it after the use is accomplished, and adopt in this application to dismantle between suction needle 1 and the device main part 3 and be connected, can dismantle suction needle 1 after the use is accomplished and abandon, and device main part 3 only need carry on simple disinfection can, need not abandon it, such structural arrangement makes the device's use cost greatly reduced.

Example 2:

the present embodiment provides a specific structure of the irrigation aspirator, as shown in fig. 1-3, a threaded sleeve 16 is disposed on one side of the piston 6 close to the cylinder telescopic rod 7, the free end of the cylinder telescopic rod 7 adopts a threaded structure, and the free end of the cylinder telescopic rod 7 is screwed and inserted into the threaded sleeve 16, such a structure is configured that when the irrigation and suction needle 1 is screwed towards the inside of the end hole 11, the free end of the cylinder telescopic rod 7 is also screwed and connected into the threaded sleeve 16, so as to enable the butt joint of the device main body 3 and the irrigation and suction needle 1.

The inner wall of the needle tube 18 is provided with a second limiting piece 14 for limiting the moving position of the piston 6, when the piston 6 moves to the position of the second limiting piece 14, the cylinder telescopic rod 7 reaches the maximum extension length, and the second limiting piece 14 can limit the moving position of the piston 6, so that the situation that the cylinder telescopic rod 7 cannot reach the position of the threaded sleeve 16 due to transitional movement of the piston 6 is prevented.

The inner wall of the needle tube 18 is further provided with a sliding groove 17, the outer wall of the piston 6 is provided with a convex block 15, and the convex block 15 is clamped inside the sliding groove 17, so that when the needle tube 18 is screwed and installed, the telescopic rod 7 of the air cylinder and the threaded sleeve 16 on the piston 6 can also be synchronously screwed and installed, the phenomenon that the needle tube 18 rotates and the piston 6 cannot rotate can not occur, and the smooth installation is ensured.

The inner wall of the end hole 11 is provided with a first limiting piece 12 for limiting the insertion depth of the flushing and sucking needle 1 at one end of the flushing and sucking needle 1.

Be provided with solenoid valve 8 in the branch pipe 9, the device main part 3 surface is inlayed and is equipped with control button 4 that is used for controlling solenoid valve 8 and opens and close, can control opening and close of solenoid valve 8 through control button 4 to reach the effect that control branch pipe 9 switched on.

The lens 2 is embedded in the position, located at the end hole 11, of the outer surface of the device main body 3, so that medical staff can observe the condition inside the device main body 3 conveniently, and operation is facilitated.

The working principle is as follows: referring to fig. 1-3, during assembly, firstly, the piston 6 is located at the position of the second limiting piece 14 in the needle tube 18, the telescopic rod 7 of the air cylinder is in the maximum length, then one end of the needle tube 18 on the flushing and sucking needle 1 is sleeved into the end hole 11, the flushing and sucking needle 1 is pressed inwards, when one end of the telescopic rod 7 of the air cylinder contacts the position of the threaded sleeve 16, the flushing and sucking needle 1 is selected until the flushing and sucking needle 1 cannot rotate, then the main tube joint 5 is connected with the external air pump, and finally one of the branch tubes 9 is conducted through the control electromagnetic valve 8, so that the telescopic rod 7 of the air cylinder on the flushing and sucking needle 1 is contracted to suck the physiological saline for flushing into the needle tube 18 for standby, and at this time;

during the operation, it is found that a certain operation area affects the visual field of an operator, when cleaning is needed, a needle head 13 on a flushing and sucking needle 1 filled with normal saline is aligned with the operation area, a control button 4 controls an electromagnetic valve 8 to be opened, a cylinder telescopic rod 7 on the flushing and sucking needle 1 is extended, the normal saline in the flushing and sucking needle 1 is flushed out from the needle head 13 to flush the operation area, after the flushing is completed, the electromagnetic valve 8 is closed, another electromagnetic valve 8 is controlled to be opened through the control button 4, the needle head 13 of another flushing and sucking needle 1 is aligned with the liquid in the operation area, at the moment, the cylinder telescopic rod 7 in the flushing and sucking needle 1 performs the operation, negative pressure is formed in a needle tube 18, the liquid is sucked into the needle tube 18 until the liquid is completely sucked out, and the use of the device is completed.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A flushing aspirator comprises a device main body (3) with end holes (11) at two ends and flushing and sucking needles (1) screwed in the end holes (11) through threads, wherein one flushing and sucking needle (1) is used for flushing an operation area in a patient operation, and the other flushing and sucking needle (1) is used for sucking out flushed liquid;

the flushing and sucking needle (1) comprises a needle head (13) used for spraying liquid or sucking liquid and a needle tube (18) used for containing liquid, the needle head (13) is installed at one end of the needle tube (18), and a piston (6) used for pushing the liquid or providing negative pressure for sucking back the liquid is arranged in the needle tube (18);

device main part (3) inside be located inside cylinder telescopic link (7) that is provided with of end hole (11), the free end of cylinder telescopic link (7) inserts needle tubing (18) inside with the connection can be dismantled in piston (6), device main part (3) center department has seted up cavity (10), cavity (10) inside is provided with into branch pipe (9) of cylinder telescopic link (7) pressure guide, the outside of device main part (3) is provided with the person in charge who is used for connecting external air pump connects (5), the one end of being responsible for connecting (5) extends to cavity (10) inside with the one end of branch pipe (9) is connected.

2. The irrigation aspirator of claim 1, wherein: one side of the piston (6) close to the cylinder telescopic rod (7) is provided with a threaded sleeve (16), the free end of the cylinder telescopic rod (7) adopts a threaded structure, and the free end of the cylinder telescopic rod (7) is screwed and inserted in the threaded sleeve (16).

3. The irrigation aspirator of claim 1, wherein: the inner wall of the needle tube (18) is provided with a second limiting sheet (14) for limiting the moving position of the piston (6).

4. The irrigation aspirator of claim 1, wherein: the inner wall of the needle tube (18) is further provided with a sliding groove (17), the outer wall of the piston (6) is provided with a convex block (15), and the convex block (15) is clamped inside the sliding groove (17).

5. The irrigation aspirator of claim 1, wherein: the inner wall of the end hole (11) is located at one end of the flushing and sucking needle (1), and a first limiting piece (12) used for limiting the insertion depth of the flushing and sucking needle (1) is arranged at one end of the flushing and sucking needle.

6. The irrigation aspirator of claim 1, wherein: the device is characterized in that an electromagnetic valve (8) is arranged in the branch pipe (9), and a control button (4) for controlling the opening and closing of the electromagnetic valve (8) is embedded in the surface of the device main body (3).

7. The irrigation aspirator of claim 1, wherein: the outer surface of the device main body (3) is embedded with a lens (2) at the end hole (11).