CN214969832U

CN214969832U - Liver ascites aspirator

Info

Publication number: CN214969832U
Application number: CN202120887249.4U
Authority: CN
Inventors: 王海霞
Original assignee: Second Affiliated Hospital of Shandong First Medical University
Current assignee: Second Affiliated Hospital of Shandong First Medical University
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-03
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a liver ascites aspirator, including lower casing and upper casing, the bottom of lower casing is connected with the base all around, the bottom center of lower casing is connected with first motor, the top power take off end of first motor is connected with the back shaft, the one end that the back shaft stretches into lower casing inner chamber is connected with the subassembly that gathers materials, the right side wall of upper casing is connected with the second motor, the power take off end of second motor is connected with the worm, the inner chamber left side wall of upper casing is connected with solid fixed ring, the inner wall of solid fixed ring is connected with a piston section of thick bamboo, sealed sliding connection has a piston plate in the piston section of thick bamboo, the top of piston plate is connected with U type pole, the right-hand member bottom of U type pole is connected with drive mechanism, the bottom left side of piston section of thick bamboo is connected with the adapter tube, the one end that the adapter tube stretches out the upper casing is connected with the drainage hose, the free end of drainage hose is connected with the puncture needle head; the utility model has the advantages of reasonable design, the piston board can remove in the piston cylinder, can change pressure in the piston cylinder, is convenient for carry out the suction and the transfer of liver ascites.

Description

Liver ascites aspirator

Technical Field

The utility model relates to a medical treatment equipment technical field that is relevant especially relates to a liver ascites aspirator.

Background

In our normal body, there is a small amount of ascites in the abdominal cavity. It is mainly used for lubrication effect. Once ascites in the abdominal cavity is large, hepatic ascites is easily caused. Hepatic ascites is a common complication of the progression of cirrhosis to the middle and advanced stages. So-called hepatic ascites is ascites filling the liver. The presence of liver ascites can cause infection and other harm to the patient and pose a serious health threat. Hepatic ascites is a relatively serious disease in our lives. This disease can directly harm our health. The method of pumping water from hepatic ascites is to let the patient adopt a supine position, and a puncture point needs to be taken in the left lower abdomen or the right lower abdomen.

Among the present liver ascites suction operation, pass through the drainage tube with the syringe mostly and connect the puncture needle head, carry out the negative pressure through the syringe and attract to aspirate liver ascites, this kind of operation mode needs artifical suction repeatedly, has increased medical personnel's working strength, and single suction volume is low, and suction efficiency is relatively poor, for this reason, we have proposed a liver ascites aspirator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liver ascites aspirator to overcome the technical problem who exists among the prior art.

In order to realize the technical purpose, the technical effect is achieved, the utility model provides a following technical scheme:

a liver ascites aspirator comprises a lower shell and an upper shell, wherein the periphery of the bottom of the lower shell is connected with a base, the center of the bottom of the lower shell is connected with a first motor, the top power output end of the first motor is connected with a support shaft, one end of the supporting shaft extending into the inner cavity of the lower shell is connected with a material collecting component, the right side wall of the upper shell is connected with a second motor, the power output end of the second motor is connected with a worm, the left side wall of the inner cavity of the upper shell is connected with a fixing ring, the inner wall of the fixing ring is connected with a piston cylinder, a piston plate is connected in the piston cylinder in a sealing and sliding way, the top of the piston plate is connected with a U-shaped rod, the bottom of the right end of the U-shaped rod is connected with a transmission mechanism, the left side of the bottom of the piston cylinder is connected with a joint pipe, one end of the joint pipe, extending out of the upper shell, is connected with a drainage hose, and the free end of the drainage hose is connected with a puncture needle head.

Preferably, in a liver ascites aspirator, the subassembly that gathers materials includes the disc at rigid coupling back shaft top, the top of disc is connected with electric putter, electric putter's top expansion end is connected with the elevator, the circumference lateral wall circumference equipartition of disc has a plurality of groups guide bar, the outer wall activity cover of guide bar is equipped with the movable block, it has the movable rod to articulate between movable block top and the elevator outer wall, the top outside of movable block is connected with the bracket, install the stock solution bottle in the bracket, be connected with buffer spring between movable block and the disc.

Preferably, among a liver ascites aspirator, drive mechanism includes first pivot, second pivot and reciprocal frame, first pivot is located the below of second pivot, the outer wall connection of first pivot has worm wheel and band pulley one, the worm is connected in the worm wheel meshing, the outer wall connection of second pivot has half-gear and band pulley two, the cover is equipped with the drive belt between band pulley two and the band pulley one, the top rigid coupling U type pole of reciprocal frame, the inner wall bilateral symmetry of reciprocal frame is connected with the rack, the tooth meshing of half-gear connects the rack.

Preferably, in the liver ascites aspirator, the bottom of the inner cavity of the upper shell is connected with a heat insulation plate, a discharge pipe is communicated between the heat insulation plate and the piston cylinder, and the discharge pipe and the joint pipe are both provided with one-way valves.

Preferably, in the hepatic ascites aspirator, a window is installed on the front end face of the upper shell, two guide holes are formed in the top of the upper shell, and the vertical end of the U-shaped rod is movably inserted into the guide holes.

Preferably, in the liver ascites aspirator, a plurality of groups of discharge gates have been seted up to the lateral wall circumference of casing down, the outside of discharge gate is equipped with the mounting bracket, the mounting bracket articulates through the round pin axle has the baffle, baffle inner wall is connected with the sealing washer, casing outer wall under the sealing washer butt, be connected with the torsional spring between baffle tip and the mounting bracket.

Preferably, in a liver ascites aspirator, a screw-spread angle of the worm is smaller than a friction angle of a worm gear contact.

Preferably, in a liver ascites aspirator, the outer wall of last casing is connected with the PLC controller, PLC controller electric connection first motor, second motor and electric putter.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has reasonable structural design, the patient adopts a supine position on the sickbed, the drainage hose is communicated with the piston cylinder through the joint pipe, the puncture needle head is punctured into the effusion position of the patient, the U-shaped rod drives the piston plate to move through the worm driving transmission mechanism, and negative pressure is generated in the piston cylinder when the piston plate moves upwards, thereby sucking the liver ascites;

2. the belt wheel I and the belt wheel II in the device are driven by a transmission belt, the half gear rotates along with the second rotating shaft, the tooth part of the half gear is meshed with the transmission rack, the U-shaped rod is matched with the guide hole to carry out limiting guide, so that the reciprocating frame is lifted along the vertical direction, the piston plate can move in the piston cylinder, the pressure in the piston cylinder can be changed, and the pumping and transferring of the hepatic ascites are facilitated;

3. this device passes through the waste liquid and falls into the stock solution bottle directly below along the discharging pipe, utilize the disc to rotate and carry out stock solution bottle position switch, can continue to carry out the waste liquid and collect, drive the elevator through electric putter and descend, make the guide bar angle after deflecting removal piece remove along the guide bar, the outside baffle of discharge gate is backed up to the bracket, can shift out the external change of inferior valve with the stock solution bottle, and convenient for operation utilizes the torsional spring to drive the baffle and resets, make casing outer wall seal under the sealing washer laminating, can reduce the peculiar smell, be favorable to ensureing space environment's quality.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

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

fig. 3 is a schematic view of the internal structure of the upper housing according to the present invention;

FIG. 4 is a schematic structural view of the lower housing of the present invention;

FIG. 5 is a schematic structural view of a material collecting assembly according to the present invention;

fig. 6 is a schematic structural view of the transmission mechanism of the present invention;

fig. 7 is a schematic structural view of the middle baffle of the present invention.

In the figure: 1. a lower housing; 2. an upper housing; 3. a base; 4. a first motor; 5. a support shaft; 6. an aggregate assembly; 7. a second motor; 8. a worm; 9. a fixing ring; 10. a piston cylinder; 11. a piston plate; 12. a U-shaped rod; 13. a transmission mechanism; 14. a joint pipe; 15. a drainage hose; 16. a puncture needle head; 17. a heat insulation plate; 18. a discharge pipe; 19. a one-way valve; 20. a window; 21. a guide hole; 101. a discharge port; 102. a mounting frame; 103. a baffle plate; 104. a seal ring; 105. a torsion spring; 201. a PLC controller; 601. a disc; 602. an electric push rod; 603. a lifting block; 604. a guide bar; 605. a moving block; 606. a movable rod; 607. a bracket; 608. a liquid storage bottle; 609. a buffer spring; 131. a first rotating shaft; 132. a second rotating shaft; 133. a reciprocating frame; 134. a worm gear; 135. a first belt wheel; 136. a half gear; 137. a second belt wheel; 138. a transmission belt; 139. a rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-7, the present embodiment is a liver ascites aspirator, which comprises a lower casing 1 and an upper casing 2, a base 3 is connected around the bottom of the lower casing 1, a first motor 4 is connected to the center of the bottom of the lower casing 1, a supporting shaft 5 is connected to the top power output end of the first motor 4, a collecting component 6 is connected to one end of the supporting shaft 5 extending into the inner cavity of the lower casing 1, a second motor 7 is connected to the right side wall of the upper casing 2, a worm 8 is connected to the power output end of the second motor 7, a fixing ring 9 is connected to the left side wall of the inner cavity of the upper casing 2, a piston cylinder 10 is connected to the inner wall of the fixing ring 9, a piston plate 11 is connected to the piston cylinder 10 in a sealing and sliding manner, a U-shaped rod 12 is connected to the top of the piston plate 11, a transmission mechanism 13 is connected to the bottom of the U-shaped rod 12, a joint pipe 14 is connected to the left side of the bottom of the piston cylinder 10, a drainage hose 15 is connected to one end of the joint pipe 14 extending out of the upper casing 2, the free end of the drainage tube 15 is connected to a puncture needle 16.

The bottom of the inner cavity of the upper shell 2 is connected with a heat insulation plate 17, a discharge pipe 18 is communicated between the heat insulation plate 17 and the piston cylinder 10, and check valves 19 are respectively arranged in the discharge pipe 18 and the joint pipe 14, so that the flow direction of liquid can be conveniently controlled.

Go up the outer wall connection of casing 2 and have PLC controller 201, PLC controller 201 electric connection first motor 4, second motor 7 and electric putter 602, the control assembly operation of being convenient for.

The specific implementation manner of this embodiment is:

the device is externally connected with a power supply when in use, a patient adopts a supine position on a sickbed, the lower shell 1 is placed on a plane through the base 3, the drainage hose 15 is communicated with the piston cylinder 10 through the joint pipe 14, the puncture needle head 16 is punctured into the effusion position of the patient, the worm 8 is driven to rotate through the second motor 7, the worm 8 drives the transmission mechanism 13, the U-shaped rod 12 drives the piston plate 11 to move, the piston plate 11 is connected with the piston cylinder 10 in a sealing and sliding manner, negative pressure is generated in the piston cylinder 10 when the piston plate 11 moves upwards, so that hepatic ascites is sucked, the discharge pipe 18 and the joint pipe 14 are both provided with the one-way valves 19, so that the hepatic ascites can only move along the joint pipe 14-the piston cylinder 10-the discharge pipe 18, and is sent into the aggregate assembly 6 along the discharge pipe 18 when the piston plate 11 moves downwards.

Example two

On the basis of the first embodiment, the transmission mechanism 13 includes a first rotating shaft 131, a second rotating shaft 132 and a reciprocating frame 133, the first rotating shaft 131 is located below the second rotating shaft 132, the outer wall of the first rotating shaft 131 is connected with a worm wheel 134 and a first pulley 135, the worm wheel 134 is engaged with the worm 8, the outer wall of the second rotating shaft 132 is connected with a half gear 136 and a second pulley 137, a transmission belt 138 is sleeved between the second pulley 137 and the first pulley 135, the top of the reciprocating frame 133 is fixedly connected with the U-shaped rod 12, the inner wall of the reciprocating frame 133 is bilaterally symmetrically connected with racks 139, and the teeth of the half gear 136 are engaged with the racks 139.

A window 20 is arranged on the front end face of the upper shell 2, two guide holes 21 are arranged on the top of the upper shell 2, and the vertical end of the U-shaped rod 12 is movably inserted into the guide holes 21.

The spiral expansion angle of the worm 8 is smaller than the friction angle of the worm wheel 134 and the worm 8, so that the self-locking effect can be realized, and the reciprocating frame 133 is prevented from falling due to the action of gravity.

The specific implementation manner of this embodiment is:

in this embodiment, when the second motor 7 operates, the worm 8 engages with the transmission worm gear 134, so that the first rotating shaft 131 drives the first pulley 135 to rotate, the first pulley 135 and the second pulley 137 are transmitted through the transmission belt 138, and further the second rotating shaft 132 rotates, the half gear 136 rotates along with the second rotating shaft 132, the tooth portion of the half gear 136 engages with the transmission rack 139, the U-shaped rod 12 is used for matching with the guide hole 21 to perform limiting guide, the reciprocating frame 133 is lifted and lowered along the vertical direction, so that the piston plate 11 can move in the piston cylinder 10, the pressure in the piston cylinder 10 can be changed, and the pumping and transferring of the hepatic ascites are facilitated.

EXAMPLE III

On the basis of the second embodiment, the aggregate component 6 comprises a disc 601 fixedly connected to the top of the supporting shaft 5, the top of the disc 601 is connected with an electric push rod 602, the movable end of the top of the electric push rod 602 is connected with a lifting block 603, a plurality of groups of guide rods 604 are circumferentially and uniformly distributed on the outer side wall of the circumference of the disc 601, a moving block 605 is movably sleeved on the outer wall of each guide rod 604, a movable rod 606 is hinged between the top of the moving block 605 and the outer wall of the lifting block 603, a bracket 607 is connected to the outer side of the top of the moving block 605, a liquid storage bottle 608 is installed in the bracket 607, and a buffer spring 609 is connected between the moving block 605 and the disc 601.

A plurality of groups of discharge gates 101 have been seted up to casing 1's lateral wall circumference down, and the outside of discharge gate 101 is equipped with mounting bracket 102, and mounting bracket 102 articulates through the round pin axle has baffle 103, and the baffle 103 inner wall is connected with sealing washer 104, and 1 outer wall of casing under the sealing washer 104 butt is connected with torsional spring 105 between baffle 103 tip and the mounting bracket 102.

The specific implementation manner of this embodiment is:

in this embodiment, the extracted waste liquid is collected by the liquid storage bottle 608, the waste liquid falls into the liquid storage bottle 608 directly below along the discharge pipe 18, when a group of liquid storage bottles 608 are full, the supporting shaft 5 is driven to rotate by the first motor 4, the positions of the liquid storage bottles 608 are switched after the disc 601 rotates, waste liquid collection can be continuously carried out, when all the liquid storage bottles 608 store waste liquid, the electric push rod 602 drives the lifting block 603 to descend, the lifting block 603 drives the guide rod 604 to deflect, so that the moving block 605 moves along the guide rod 604, the bracket 607 pushes the baffle plate 103 outside the discharge hole 101, the liquid storage bottle 608 moves out of the lower shell 1 after the baffle plate 103 deflects, can be replaced, when the liquid storage bottle 608 is positioned in the lower shell 1, the torsion spring 105 is used to drive the baffle plate 103 to reset, so that the sealing ring 104 is attached to the outer wall of the lower shell 1 for sealing, the peculiar smell is reduced, and the quality of the space environment is favorably ensured.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Liver ascites aspirator, including casing (1) and last casing (2) down, its characterized in that: the bottom of the lower shell (1) is connected with a base (3) all around, the bottom center of the lower shell (1) is connected with a first motor (4), the top power output end of the first motor (4) is connected with a support shaft (5), one end of the support shaft (5) extending into the inner cavity of the lower shell (1) is connected with a material collecting assembly (6), the right side wall of the upper shell (2) is connected with a second motor (7), the power output end of the second motor (7) is connected with a worm (8), the left side wall of the inner cavity of the upper shell (2) is connected with a fixing ring (9), the inner wall of the fixing ring (9) is connected with a piston cylinder (10), the piston cylinder (10) is internally connected with a piston plate (11) in a sealing and sliding manner, the top of the piston plate (11) is connected with a U-shaped rod (12), and the bottom of the right end of the U-shaped rod (12) is connected with a transmission mechanism (13), the left side of the bottom of the piston cylinder (10) is connected with a joint pipe (14), one end, extending out of the upper shell (2), of the joint pipe (14) is connected with a drainage hose (15), and the free end of the drainage hose (15) is connected with a puncture needle head (16).

2. The hepatic ascites aspirator of claim 1, wherein: the material collecting component (6) comprises a disc (601) fixedly connected to the top of a supporting shaft (5), the top of the disc (601) is connected with an electric push rod (602), the movable end of the top of the electric push rod (602) is connected with a lifting block (603), a plurality of groups of guide rods (604) are uniformly distributed on the circumferential outer side wall of the disc (601), a moving block (605) is movably sleeved on the outer wall of each guide rod (604), a movable rod (606) is hinged between the top of the moving block (605) and the outer wall of the lifting block (603), a bracket (607) is connected to the outer side of the top of the moving block (605), a liquid storage bottle (608) is installed in the bracket (607), and a buffer spring (609) is connected between the moving block (605) and the disc (601).

3. The hepatic ascites aspirator of claim 1, wherein: drive mechanism (13) include first pivot (131), second pivot (132) and reciprocal frame (133), first pivot (131) are located the below of second pivot (132), the outer wall connection of first pivot (131) has worm wheel (134) and band pulley (135), worm wheel (134) meshing connection worm (8), the outer wall connection of second pivot (132) has half gear (136) and band pulley two (137), the cover is equipped with drive belt (138) between band pulley two (137) and band pulley (135), top rigid coupling U type pole (12) of reciprocal frame (133), the inner wall bilateral symmetry of reciprocal frame (133) is connected with rack (139), rack (139) are connected in the tooth meshing of half gear (136).

4. The hepatic ascites aspirator of claim 1, wherein: the bottom of the inner cavity of the upper shell (2) is connected with a heat insulation plate (17), a discharge pipe (18) is communicated between the heat insulation plate (17) and the piston cylinder (10), and check valves (19) are respectively arranged in the discharge pipe (18) and the joint pipe (14).

5. The hepatic ascites aspirator of claim 1, wherein: the window (20) is installed to the preceding terminal surface of going up casing (2), two guiding holes (21) have been seted up at the top of going up casing (2), the perpendicular end activity grafting guiding hole (21) of U type pole (12).

6. The hepatic ascites aspirator of claim 1, wherein: a plurality of groups of discharge gates (101) have been seted up to the lateral wall circumference of casing (1) down, the outside of discharge gate (101) is equipped with mounting bracket (102), mounting bracket (102) have baffle (103) through round pin axle articulated, baffle (103) inner wall connection has sealing washer (104), casing (1) outer wall under sealing washer (104) butt, be connected with torsional spring (105) between baffle (103) tip and mounting bracket (102).

7. The hepatic ascites aspirator of claim 3, wherein: the spiral spread angle of the worm (8) is smaller than the friction angle of the worm wheel (134) and the worm (8) in contact.

8. The hepatic ascites aspirator according to claim 2, wherein: go up the outer wall connection of casing (2) has PLC controller (201), PLC controller (201) electric connection first motor (4), second motor (7) and electric putter (602).