CN213994393U

CN213994393U - Ophthalmic silicone oil extraction device

Info

Publication number: CN213994393U
Application number: CN202022300841.8U
Authority: CN
Inventors: 陈兴旺; 令狐绍容; 任荟璇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-08-20
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses an ophthalmology silicon oil draw-out device, including mounting panel, base and cylinder, its characterized in that: still including the locking structure convenient to dismouting rubber tube, the extending structure that control piston ration removed and the elevation structure who stabilizes the syringe needle position, the cylinder is installed through the mounting to one side on base top, and the inside cover of cylinder is equipped with the piston, extending structure sets up in one side of cylinder, the opposite side of cylinder runs through there is fixed pipe, locking structure sets up in the outer wall of fixed pipe. The utility model discloses a rotatory knob can make it drive the worm and rotate to rotate through driving the worm wheel and rotate the coaxial rotation of messenger's round gear, so can make the rack remove along vertical direction under the direction of slider and spout, can change the position of bearing ring, thereby it removes and fixes to drive the syringe needle that bonds on bearing ring, can make the syringe needle fix at the assigned position steadily, has realized the syringe needle fixed function of device.

Description

Ophthalmic silicone oil extraction device

Technical Field

The utility model relates to the technical field of medical science, specifically be an ophthalmology silicon oil draw-out device.

Background

With the development of society and the continuous progress of science and technology, people have treatment methods for more and more diseases and help more and more patients to recover health.

The traditional ophthalmic silicone oil extraction device has the following disadvantages:

(1) the needle head is easy to shake, and has certain danger to the eyes of a patient;

(2) the rubber tube cannot be conveniently and stably disassembled and assembled, and is very inconvenient to clean and recycle;

(3) the negative pressure inside the needle cylinder is not stable enough for manual extraction, and the error is easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ophthalmology silicon oil draw-out device to the syringe needle that proposes in solving above-mentioned background produces easily and rocks, has certain dangerous problem to patient's eyes.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ophthalmology silicone oil draw-out device, includes mounting panel, base and cylinder, its characterized in that: the device also comprises a locking structure convenient for disassembling and assembling the rubber tube, a telescopic structure for controlling the piston to move quantitatively and a lifting structure for stabilizing the position of the needle head;

a needle cylinder is mounted on one side of the top end of the base through a fixing piece, a piston is sleeved in the needle cylinder, and the telescopic structure is arranged on one side of the needle cylinder;

a fixed tube penetrates through the other side of the needle cylinder, and the locking structure is arranged on the outer wall of the fixed tube;

the rubber tube is installed to the outer wall of fixed pipe, and the syringe needle is installed to the one end of rubber tube, the mounting panel is installed to one side of base one end, and the inside of mounting panel is provided with elevation structure.

The utility model discloses a mounting panel, including mounting panel, lifting structure, worm, round gear, spout, connecting block, mounting panel, worm, round gear, worm wheel, connecting block, mounting panel, connecting block, mounting panel, connecting block, mounting panel, the one end welding of connecting block has the bearing ring.

Preferably, the worm is meshed with a worm wheel, and the circular gear is meshed with a rack.

Preferably, the locking structure comprises a clamping groove, a moving ring, a fixed plate, a transmission rod, a moving block, a clamping block, a pull rod, a reset spring, a moving rod and a clamping plate, the clamping groove is formed in the outer wall of the fixed tube on one side of the needle cylinder, the fixed plate is sleeved on the outer wall of the fixed tube on one side of the clamping groove, the moving rod penetrates through two ends of the fixed plate, the clamping plate is welded at one end of the moving rod inside the fixed plate, the moving ring is sleeved on the outer wall of the fixed tube, the upper end and the lower end of the moving ring are hinged to the transmission rod through hinge pieces, the transmission rod is hinged to one end of the moving rod through the hinge pieces, two reset springs are mounted on one side inside of the front end and the rear end of the moving ring, the moving block is mounted at one end of the moving block, one end of the clamping block extends into the clamping groove, the pull rod is mounted at the other end of the moving block, and one end of the pull rod extends to one end of the movable ring.

Preferably, the outer wall of the moving block and the inner walls at the two ends of the moving ring form sliding connection, and the moving distance of the moving block is greater than the length of the clamping groove.

Preferably, extending structure includes swivel mount, first conical gear, second conical gear, servo motor and lead screw, the swivel mount passes through the bearing and installs in the inside of cylinder one side, and one side of swivel mount extends to one side of cylinder, one side welding of swivel mount has first conical gear, the lead screw welds in one side of piston, and the one end of lead screw runs through to one side of first conical gear, servo motor welds in one side of cylinder, and servo motor's output installs second conical gear through the pivot.

Preferably, the first bevel gear and the second bevel gear are equal in size, and the first bevel gear and the second bevel gear are meshed with each other.

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

(1) the needle head, the knob, the bearing ring, the worm, the circular gear, the connecting block, the rack, the sliding chute and the worm gear are arranged, the worm can be driven to rotate by rotating the knob, so that the circular gear can coaxially rotate by driving the worm gear to rotate, the rack can move in the vertical direction under the guidance of the sliding block and the sliding chute, the position of the bearing ring can be changed, the needle head adhered to the bearing ring is driven to move and fix, the needle head can be stably fixed at a specified position, and the needle head fixing function of the device is realized;

(2) the rubber tube dismounting device is provided with the fixed tube, the clamping groove, the moving ring, the fixed plate, the transmission rod, the moving block, the clamping block, the pull rod, the reset spring, the moving rod and the clamping plate, the moving ring can be pulled to push and pull the moving rod by changing the angle of the transmission rod, so that the distance between the clamping plate and the fixed tube is changed, meanwhile, when the clamping plate is tightly attached to the fixed tube, the clamping block moves to the position of the clamping groove, the reset spring pushes the moving block, the clamping block is clamped into the clamping groove, the clamping block is fixed, and the rubber tube dismounting function of the device is realized;

(3) through being provided with piston, swivel housing, first conical gear, second conical gear, servo motor and lead screw, utilize servo motor to drive second conical gear and rotate, can make the swivel housing rotate through driving first conical gear to make the directional uniform velocity of lead screw remove, utilize the piston to extract or the injection operation, realized the stable extraction function of device.

Drawings

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

FIG. 2 is a schematic side view of the cross-sectional structure of the movable ring and the fixed plate of the present invention;

FIG. 3 is a side view, cross-sectional structural diagram of the mounting plate of the present invention;

FIG. 4 is a schematic view of the combined front view structure of the circular gear and the worm wheel of the present invention;

fig. 5 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a locking structure; 101. a card slot; 102. a moving ring; 103. a fixing plate; 104. a transmission rod; 105. a moving block; 106. a clamping block; 107. a pull rod; 108. a return spring; 109. a travel bar; 110. a splint; 2. a telescopic structure; 201. a rotating sleeve; 202. a first bevel gear; 203. a second bevel gear; 204. a servo motor; 205. a screw rod; 3. a knob; 4. a rubber tube; 5. a needle head; 6. a bearing ring; 7. mounting a plate; 8. a fixed tube; 9. a base; 10. a needle cylinder; 11. a piston; 12. a worm; 13. a circular gear; 14. connecting blocks; 15. a rack; 16. a slider; 17. a chute; 18. a worm gear.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-5, an ophthalmic silicone oil extracting device includes a mounting plate 7, a base 9, a syringe 10, a locking structure 1 for facilitating the assembly and disassembly of a rubber tube, a telescopic structure 2 for controlling the quantitative movement of a piston, and a lifting structure for stabilizing the position of a needle;

a needle cylinder 10 is arranged on one side of the top end of the base 9 through a fixing piece, a piston 11 is sleeved in the needle cylinder 10, and the telescopic structure 2 is arranged on one side of the needle cylinder 10;

a fixed tube 8 penetrates through the other side of the needle cylinder 10, and the locking structure 1 is arranged on the outer wall of the fixed tube 8;

rubber tube 4 is installed to the outer wall of fixed pipe 8, and syringe needle 5 is installed to the one end of rubber tube 4, and mounting panel 7 is installed to one side of 9 one ends of base, and the inside of mounting panel 7 is provided with elevation structure.

Referring to fig. 1-5, the ophthalmic silicone oil extraction device further comprises a lifting structure, the lifting structure comprises a worm 12, the worm 12 is mounted at the bottom end inside the mounting plate 7 through a rotating shaft, the top end of the worm 12 extends to the upper side of the mounting plate 7, a knob 3 is mounted at the top end of the worm 12, a circular gear 13 is mounted at one side inside the mounting plate 7, a worm wheel 18 is fixed at one side of the circular gear 13, a sliding groove 17 is formed in the top end of the mounting plate 7, a sliding block 16 is arranged inside the sliding groove 17, a rack 15 is welded at the bottom end of the sliding block 16, the bottom end of the rack 15 extends to the lower side of the sliding groove 17, a connecting block 14 is welded at one end of the rack 15 below the sliding groove 17, one end of the connecting block 14 extends to one end of the mounting plate 7, and a bearing ring 6 is welded at one end of the connecting block 14;

the worm 12 is meshed with the worm wheel 18, and the circular gear 13 is meshed with the rack 15;

specifically, as shown in fig. 1, 3 and 4, the knob 3 is rotated to drive the worm 12 to rotate, the worm 12 drives the worm wheel 18 to rotate in one direction, so that the circular gear 13 and the worm wheel 18 rotate at the same speed, and the rack 15 can be driven, and the rack 15 is guided by the sliding of the slider 16 in the sliding groove 17, so that the rack 15 can move in the vertical direction, and the connecting block 14 is utilized to drive the receiving ring 6 to move up and down, and after the receiving ring 6 is moved to a proper position, the needle 5 can be inserted into the receiving ring 6 and fixed by an adhesive tape, so that the needle 5 can be stabilized at a specified position, and the needle 5 is prevented from shaking in use.

Example 2: the locking structure 1 comprises a clamping groove 101, a moving ring 102, a fixing plate 103, a transmission rod 104, a moving block 105, a fixture block 106, a pull rod 107, a return spring 108, a moving rod 109 and a clamping plate 110, wherein the clamping grooves 101 are all arranged on the outer wall of a fixing tube 8 on one side of a needle cylinder 10, the fixing plate 103 is sleeved on the outer wall of the fixing tube 8 on one side of the clamping groove 101, the moving rod 109 penetrates through two ends of the fixing plate 103, the clamping plate 110 is welded on one end of the moving rod 109 inside the fixing plate 103, the moving ring 102 is sleeved on the outer wall of the fixing tube 8, the transmission rod 104 is hinged on the upper end and the lower end of the moving ring 102 through a hinge, the transmission rod 104 is hinged on one end of the moving rod 109 through a hinge, two return springs 108 are installed on one side inside the front end and the rear end of the moving ring 102, the moving block 105 is installed on one end of the moving block 106, and one end of the fixture block 106 extends into the clamping groove 101, a pull rod 107 is mounted at the other end of the moving block 105, and one end of the pull rod 107 extends to one end of the moving block 102;

the outer wall of the moving block 105 is in sliding connection with the inner walls of the two ends of the moving ring 102, and the moving distance of the moving block 105 is greater than the length of the clamping groove 101;

specifically, as shown in fig. 1, fig. 2 and fig. 5, pulling pull rod 107, make it drive movable block 105 to remove, thereby withdraw from fixture block 106 from draw-in groove 101 and make it no longer block, can remove shift ring 102, through the position of removing shift ring 102, can utilize transfer line 104 to stimulate shift rod 109, thereby make splint 110 leave fixed pipe 8 outer wall, no longer carry out the centre gripping to rubber tube 4, can take off rubber tube 4 and wash the disinfection so that follow-up use, last cover new rubber tube 4 on fixed pipe 8, pulling shift ring 102, make movable block 105 application of force fix fixture block 106 card income draw-in groove 101, can be with the firm centre gripping of rubber tube 4, thereby can carry out the dismouting to rubber tube 4 fast and stably, be convenient for wash the disinfection to it.

Example 3: the telescopic structure 2 comprises a rotary sleeve 201, a first bevel gear 202, a second bevel gear 203, a servo motor 204 and a screw rod 205, wherein the rotary sleeve 201 is mounted inside one side of the needle cylinder 10 through a bearing, one side of the rotary sleeve 201 extends to one side of the needle cylinder 10, the first bevel gear 202 is welded on one side of the rotary sleeve 201, the screw rod 205 is welded on one side of the piston 11, one end of the screw rod 205 penetrates through one side of the first bevel gear 202, the servo motor 204 is welded on one side of the needle cylinder 10, the type of the servo motor 204 can be 42JSF330AS-1000, and the second bevel gear 203 is mounted at the output end of the servo motor 204 through a rotating shaft;

the first bevel gear 202 and the second bevel gear 203 are equal in size, and the first bevel gear 202 and the second bevel gear 203 are meshed with each other;

specifically, as shown in fig. 1, open servo motor 204, servo motor 204 drives second bevel gear 203 and rotates, thereby drive first bevel gear 202 and make swivel sleeve 201 follow the rotation, because the inside internal thread of swivel sleeve 201 matches with the outside external screw thread of lead screw 205, and lead screw 205 is rotated by the restriction of piston 11, so lead screw 205 can drive piston 11 along the directional uniform velocity motion of inner wall of swivel sleeve 201, thereby make the device pass through fixed tube 8 with stable negative pressure, rubber tube 4 and syringe needle 5 extract the silicone oil, thereby protect the patient, guarantee the operation quality.

The working principle is as follows: when using this device, at first, place the base 9 of device at the assigned position fixed, afterwards, rotate knob 3, it is rotatory to make it drive worm 12, worm 12 can the folk prescription drive worm wheel 18 and rotate, thereby make round gear 13 rotate with the worm wheel 18 with fast, can drive rack 15, rack 15 is because the slip of slider 16 in spout 17 and guided, so rack 15 can move along vertical direction, thereby utilize connecting block 14 to drive and hold ring 6 and reciprocate, will hold ring 6 and remove to suitable position after, can insert syringe needle 5 in holding ring 6 and fix with the sticky tape, can stabilize syringe needle 5 at the assigned position.

Then, the servo motor 204 is turned on, the servo motor 204 drives the second bevel gear 203 to rotate, so as to drive the first bevel gear 202 to enable the rotary sleeve 201 to rotate along with the rotary sleeve 201, because the internal thread inside the rotary sleeve 201 is matched with the external thread outside the screw rod 205, and the screw rod 205 is limited by the piston 11 to rotate, the screw rod 205 can move along the inner wall of the rotary sleeve 201 at a uniform speed in a directional mode to drive the piston 11, so that the device can extract silicone oil through the fixed tube 8, the rubber tube 4 and the needle head 5 at a stable negative pressure, and a patient is protected.

Finally, after the operation is finished, the needle head 5 is taken down, the servo motor 204 is rotated reversely, silicon oil is pushed out, the pull rod 107 is pulled to drive the moving block 105 to move, the clamping block 106 is withdrawn from the clamping groove 101 to be not clamped any more, the moving ring 102 can be moved, the position of the moving ring 102 is moved, the moving rod 109 can be pulled by the transmission rod 104, the clamping plate 110 is made to leave the outer wall of the fixed pipe 8 and not clamped the rubber pipe 4, the rubber pipe 4 can be taken down to be cleaned and disinfected for subsequent use, finally, a new rubber pipe 4 is sleeved on the fixed pipe 8, the moving ring 102 is pulled, the clamping block 106 is clamped into the clamping groove 101 by the force application of the moving block 105 to be fixed, and the rubber pipe 4 can be clamped stably.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An ophthalmology silicon oil draw-out device, includes mounting panel (7), base (9) and cylinder (10), its characterized in that: the device also comprises a locking structure (1) convenient for disassembling and assembling the rubber tube, a telescopic structure (2) for controlling the piston to move quantitatively and a lifting structure for stabilizing the position of the needle head;

a needle cylinder (10) is mounted on one side of the top end of the base (9) through a fixing piece, a piston (11) is sleeved inside the needle cylinder (10), and the telescopic structure (2) is arranged on one side of the needle cylinder (10);

a fixed tube (8) penetrates through the other side of the needle cylinder (10), and the locking structure (1) is arranged on the outer wall of the fixed tube (8);

rubber tube (4) are installed to the outer wall of fixed pipe (8), and syringe needle (5) are installed to the one end of rubber tube (4), mounting panel (7) are installed to the one side of base (9) one end, and the inside of mounting panel (7) is provided with elevation structure.

2. An ophthalmic silicone oil extraction device as defined in claim 1, wherein: the lifting structure comprises a worm (12), the worm (12) is arranged at the bottom end inside the mounting plate (7) through a rotating shaft, and the top end of the worm (12) extends to the upper part of the mounting plate (7), the top end of the worm (12) is provided with a knob (3), one side inside the mounting plate (7) is provided with a circular gear (13), a worm wheel (18) is fixed on one side of the circular gear (13), a sliding groove (17) is arranged inside the top end of the mounting plate (7), a sliding block (16) is arranged inside the sliding groove (17), a rack (15) is welded at the bottom end of the sliding block (16), the bottom ends of the racks (15) extend to the lower part of the sliding groove (17), one end of the rack (15) below the sliding groove (17) is welded with a connecting block (14), and the one end of connecting block (14) extends to the one end of mounting panel (7), the one end welding of connecting block (14) has socket ring (6).

3. An ophthalmic silicone oil extraction device as defined in claim 2, wherein: the worm (12) is meshed with the worm wheel (18), and the circular gear (13) is meshed with the rack (15).

4. An ophthalmic silicone oil extraction device as defined in claim 1, wherein: the locking structure (1) comprises a clamping groove (101), a moving ring (102), a fixing plate (103), a transmission rod (104), a moving block (105), a clamping block (106), a pull rod (107), a reset spring (108), a moving rod (109) and a clamping plate (110), wherein the clamping groove (101) is formed in the outer wall of a fixing tube (8) on one side of a needle cylinder (10), the fixing plate (103) is sleeved on the outer wall of the fixing tube (8) on one side of the clamping groove (101), the moving rod (109) penetrates through two ends of the fixing plate (103), the clamping plate (110) is welded at one end of the moving rod (109) in the fixing plate (103), the moving ring (102) is sleeved on the outer wall of the fixing tube (8), the transmission rod (104) is hinged to the upper end and the lower end of the moving ring (102) through a hinge, and the hinge (104) is hinged to one end of the moving rod (109), two reset springs (108) are installed on one side of the inner portions of the front end and the rear end of the moving ring (102), a moving block (105) is installed on one end of each reset spring (108), a clamping block (106) is installed on one end of each moving block (105), one end of each clamping block (106) extends to the inner portion of the clamping groove (101), a pull rod (107) is installed on the other end of each moving block (105), and one end of each pull rod (107) extends to one end of the moving ring (102).

5. An ophthalmic silicone oil extraction device as defined in claim 4, wherein: the outer wall of the moving block (105) is in sliding connection with the inner walls of the two ends of the moving ring (102), and the moving distance of the moving block (105) is larger than the length of the clamping groove (101).

6. An ophthalmic silicone oil extraction device as defined in claim 1, wherein: extending structure (2) are including swivel mount (201), first conical gear (202), second conical gear (203), servo motor (204) and lead screw (205), swivel mount (201) is installed in the inside of cylinder (10) one side through the bearing, and one side of swivel mount (201) extends to one side of cylinder (10), one side welding of swivel mount (201) has first conical gear (202), lead screw (205) welds in one side of piston (11), and the one end of lead screw (205) runs through to one side of first conical gear (202), servo motor (204) welds in one side of cylinder (10), and second conical gear (203) is installed through the pivot to the output of servo motor (204).

7. An ophthalmic silicone oil extraction device as defined in claim 6, wherein: the first bevel gear (202) and the second bevel gear (203) are equal in size, and the first bevel gear (202) and the second bevel gear (203) are meshed with each other.