CN215079844U

CN215079844U - Astigmatic axis marking pen

Info

Publication number: CN215079844U
Application number: CN202120544263.4U
Authority: CN
Inventors: 陈世漳; 陈芳; 林震琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-12-10
Anticipated expiration: 2031-03-16

Abstract

The utility model provides an astigmatism axis marking pen, which comprises a first barrel and a second barrel, wherein the first barrel and the second barrel are arranged on the left and right sides, the first barrel and the second barrel are connected through a first sleeve screw, the left side of the first barrel is connected with a connector, the left end of the connector is connected with a fixed head through a second sleeve screw, and a needle head is fixedly arranged at the left end of the fixed head; the pen comprises a first barrel, a second barrel and a third barrel, wherein a movable block is arranged at the right end in the first barrel, a limiting groove used for inserting a pen core is formed in the left side face of the movable block, the left end in the first barrel is arranged on a T-shaped block, a first reset spring is sleeved on a cross rod of the T-shaped block, the pen core is inserted into the limiting groove and penetrates through the T-shaped block, a limiting ring is sleeved on the pen core, and the limiting ring is arranged on the right side of the T-shaped block; the utility model discloses simple structure, the simple operation can realize cornea astigmatism axis position mark.

Description

Astigmatic axis marking pen

Technical Field

The utility model relates to the technical field of ophthalmic instruments, especially an astigmatism axis position marker pen.

Background

Cataract is a common ophthalmic disease, and the current method for treating cataract mainly comprises the steps of taking out a turbid crystalline lens and implanting an artificial crystalline lens. With the technological progress and the continuous improvement of the requirements of patients on postoperative visual quality, cataract surgery enters the age of refractive cataract surgery from the age of reconstructive surgery, and astigmatism correcting intraocular lenses are widely applied in clinic at present. The use of astigmatic correcting intraocular lenses places high demands on the operator and the marking equipment. The deviation between the axial position of the astigmatism-corrected artificial lens and the required axial position exceeds 10 degrees, which brings obvious influence on the postoperative vision of a patient, and the correction effect of the astigmatism-corrected artificial lens exceeding 30 degrees disappears completely. Before cataract operation, a patient takes a sitting position, the head position is kept in a correct position, an existing ophthalmologic operation marker is adopted, the center of an eyeball of the patient is taken as a coordinate point, four vertical, horizontal, upper, lower, left and right directions are marked, and a color line is marked. Calculating the axial position of the astigmatism-corrected artificial lens of the patient to be placed according to the measuring equipment and the measuring website, wherein the position of the axial position of the artificial lens in the operation needs to be determined on the eyeball according to the four directions on the horizontal axis and the vertical axis of the mark in the operation, namely the axial position mark of the astigmatism-corrected artificial lens.

The corneal astigmatism axis marking method in the prior art utilizes a slit lamp light band to project on a cornea as positioning for marking, then uses a 1ml sharp needle head to mark on the corneal edge and dye by a colored marker pen, but when marking is carried out, medical staff marks a position and then dyes the needle head by the colored marker pen, marking is carried out again, and thus patients need to keep a certain position and operate repeatedly, the matching degree of the patients is high, most of the existing cataract patients are elderly patients, the matching degree is poor, the working efficiency of the medical staff is reduced, and the working time is prolonged.

Disclosure of Invention

In view of this, the present invention provides an astigmatism axis marking pen capable of marking an astigmatism axis of a cornea.

The utility model discloses a following method realizes: an astigmatism axis marking pen, characterized in that: the syringe comprises a first barrel and a second barrel, wherein the first barrel and the second barrel are arranged on the left and right sides, the first barrel and the second barrel are in spiral connection through a first sleeve, the left side of the first barrel is connected with a connector, the left end of the connector is in spiral connection with a fixed head through a second sleeve, and a needle head is fixedly arranged at the left end of the fixed head; the right end in the first barrel is provided with a movable block, the left side face of the movable block is provided with a limiting groove for inserting a refill, the left end in the first barrel is arranged on a T-shaped block, a cross rod of the T-shaped block is sleeved with a first reset spring, the refill is inserted into the limiting groove and penetrates through the T-shaped block, a limiting ring is sleeved on the refill and arranged on the right side of the T-shaped block, and the refill point of the refill is embedded into a needle core of the needle head; the fixed stopper that is provided with on the second barrel inside wall, be provided with in the second barrel and press the depression bar, just press the depression bar and pass the stopper with the movable block right flank is connected, it is equipped with second reset spring to overlap on the depression bar, press the connection of depression bar right-hand member face to be provided with and be used for with the nib of refill is pressed out the pressing piece outside the syringe needle.

Furthermore, the pressing piece comprises an L-shaped pressing rod, a vertical rod of the L-shaped pressing rod is connected with the right end face of the pressing rod, a transverse rod of the L-shaped pressing rod penetrates through the second barrel and extends out of the second barrel, and a pressing part is arranged on the transverse rod of the L-shaped pressing rod; be provided with L shape carriage release lever on the montant of L shape press lever, the horizontal pole lower surface of L shape carriage release lever is provided with the gag lever post, just the gag lever post with the montant of L shape carriage release lever cooperatees and forms a recess, be provided with third reset spring in the recess, just third reset spring end-to-end connection has spacing convex part, seted up on the second barrel with spacing convex part matched with spacing opening, spacing opening is less than the diameter of spacing convex part.

Furthermore, one end of the first return spring is fixed on the inner side wall of the first cylinder body, and the other end of the first return spring is fixed on the T-shaped block; one end of the second return spring is fixed on the limiting block, and the other end of the second return spring is fixed on the L-shaped pressing rod.

Furthermore, the right end of the second cylinder is in threaded connection with a first connecting rod through a third sleeve, and a handle is hinged to the right end of the first connecting rod in a gear mode.

Furthermore, the right end of the second barrel is in spiral connection with a second connecting rod through a fourth sleeve, a connecting sleeve is hinged to the right end of the second connecting rod, a telescopic rod is embedded in the connecting sleeve at the right end, two clamping grooves are formed in the telescopic rod, a through hole corresponding to the clamping grooves is formed in the connecting sleeve, a clamping block matched with the clamping grooves is arranged in the through hole, a clamping cavity is formed in the connecting sleeve and communicated with the through hole, a limiting ring and a fourth reset spring are sleeved on the clamping block and arranged in the clamping cavity, one end of the fourth reset spring is fixed on the limiting ring, and the other end of the fourth reset spring is fixed in the clamping cavity; the terminal gear of telescopic link articulates and is provided with the third connecting rod, the terminal turnbuckle of third connecting rod is equipped with the fourth sleeve.

The beneficial effects of the utility model reside in that: the utility model adds the refill, the needle head, the pressing rod and the pressing piece into the device, so that the astigmatism axis marking effect can be carried out on the cornea under the action of the needle head and the refill, and the colored marker pen is not needed to repeatedly dye the needle head, thereby facilitating the operation of medical personnel; the utility model discloses simple structure, the simple operation can be accurate at people's eye cornea mark astigmatism axis position, and the emergence of errors such as the eccentric off normal that significantly reduces improves the accuracy of astigmatism axis position mark, reduces manpower and materials, improves work efficiency.

Drawings

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

Fig. 2 is a schematic diagram of the internal structure of the first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a second embodiment of the present invention in a use state.

Fig. 5 is a schematic structural diagram of a third embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a first embodiment: an astigmatism axis marking pen comprises a first barrel body 1 and a second barrel body 2, wherein the first barrel body 1 and the second barrel body 2 are arranged on the left and right sides, the first barrel body 1 and the second barrel body 2 are in spiral connection through a first sleeve 3, the left side of the first barrel body 1 is connected with a connector 11, the left end of the connector 11 is in spiral connection with a fixed head 13 through a second sleeve 12, and a needle head 14 is fixedly arranged at the left end of the fixed head 13; a movable block 15 is arranged at the right end in the first barrel 1, a limiting groove 16 for inserting a refill is formed in the left side face of the movable block 15, the left end in the first barrel 1 is arranged on a T-shaped block 17, a first reset spring 18 is sleeved on a cross rod of the T-shaped block 17, a refill 19 is inserted into the limiting groove 16 and penetrates through the T-shaped block 17, a limiting ring 4 is sleeved on the refill 19, the limiting ring 4 is arranged on the right side of the T-shaped block 17, and the nib of the refill 19 is embedded in the needle core of the needle head 14; the fixed stopper 21 that is provided with on 2 inside walls of second barrel, be provided with in the second barrel 2 and press the depression bar 22, just press the depression bar 22 to pass stopper 21 with the right side of movable block 15 is connected, the cover is equipped with second reset spring 23 on pressing the depression bar 22, press the depression bar 22 right-hand member face to connect be provided with be used for with the nib of refill 19 is pressed out the outer pressing piece 5 of syringe needle 14. During the use, the staff is through pressing to pressing piece 5, pressing piece 5 can drive and press the depression bar 22 and remove left, thereby compress second reset spring 23, press the depression bar 22 and remove left and can drive movable block 15 and remove left, thereby can drive refill 19 and remove left, remove outside the refill that the nib of refill 19 extends syringe needle 14, compress first reset spring 18, after the use, the rethread is pressed and is pressed pressing piece 5, through the reset action of first reset spring 18 and second reset spring 23, can reset refill 19's nib to syringe needle 14's syringe needle in.

Referring to fig. 1, in an embodiment of the present invention, a pen cap 10 is disposed on the marking pen for opening and closing and protecting the needle 14.

The utility model provides a syringe needle can be 4.5 # syringe needles, and the syringe needle is hollow, can hold the refill in the refill, and the diameter of refill is less than the syringe needle, and the refill dyestuff is gentian purple, slightly is longer than needle point 1mm when the refill extends, but is not limited to this.

As shown in fig. 1 and fig. 2, in an embodiment of the present invention, the pressing member 5 includes an L-shaped pressing rod 51, a vertical rod of the L-shaped pressing rod 51 is connected to a right end surface of the pressing rod 22, a horizontal rod of the L-shaped pressing rod 51 passes through the second cylinder 2 and extends to the outside of the second cylinder 2, and a pressing portion 52 is disposed on the horizontal rod of the L-shaped pressing rod 51; be provided with L shape carriage release lever 53 on L shape press lever 51's the montant, L shape carriage release lever 53's horizontal pole lower surface is provided with gag lever post 54, just gag lever post 54 with L shape carriage release lever 53's montant cooperatees and forms a recess, be provided with third reset spring 55 in the recess, just third reset spring 55 end-to-end connection has spacing convex part 56, seted up on the second barrel 2 with spacing convex part 56 matched with spacing opening 57, spacing opening 57 is less than spacing convex part 56's diameter. The medical staff can press the L-shaped pressing rod 51 to drive the L-shaped moving rod 53 to move leftwards, the limiting convex part 56 is moved to the position of the limiting opening 57, the limiting convex part 56 is limited in the limiting opening 57, the pen core 19 can extend out of the needle 14, the third return spring 55 can be compressed by pressing the pressing part 52, and then the limiting convex part 56 is retracted into the groove.

As shown in fig. 2, in an embodiment of the present invention, one end of the first return spring 18 is fixed on the inner sidewall of the first cylinder 1, and the other end of the first return spring 18 is fixed on the T-shaped block 17; one end of the second return spring 23 is fixed to the stopper 21, and the other end of the second return spring 23 is fixed to the L-shaped pressing rod 51. So that the pressing and returning of the pen core 19 can be achieved by the action of the first return spring 18 and the second return spring 23.

Referring to fig. 5, the present invention provides a third embodiment: the right end of the second cylinder 2 is in threaded connection with a first connecting rod 25 through a third sleeve 24, and a handle 26 is hinged to the right end of the first connecting rod 25 in a gear mode. Make medical personnel can be through folding 90 degrees down with handle 26, the better marking pen of taking of medical personnel of being convenient for can be better marks the disease.

Referring to fig. 3 and 4, the present invention provides a second embodiment: the right end of the second cylinder 2 is spirally connected with a second connecting rod 6 through a fourth sleeve 20, a connecting sleeve 61 is hinged at the right end of the second connecting rod 6, a telescopic rod 62 is embedded at the right end in the connecting sleeve 61, two clamping grooves 63 are arranged on the telescopic rod 62, through holes (not shown) corresponding to the clamping grooves 63 are arranged on the connecting sleeve 61, a clamping block 64 matched with the clamping groove 63 is arranged in the through hole, a clamping cavity (not shown) is arranged in the connecting sleeve 61, the clamping cavity is communicated with the through hole, a limit ring 65 and a fourth return spring 66 are sleeved on the clamping block 64, the limiting ring 65 and the fourth return spring 66 are both arranged in the clamping cavity, one end of the fourth return spring 66 is fixed on the limiting ring 65, and the other end of the fourth return spring 66 is fixed in the clamping cavity; the articulated third connecting rod 67 that is provided with of terminal gear of telescopic link 62, the terminal spiral cover of third connecting rod 67 is equipped with fourth sleeve 68. Make effect through fourth sleeve 68 a screwed connection astigmatism axle position marker pen again, can mark the use to different angular position, upwards fold 90 degrees through connecting sleeve 61, fold 90 degrees left third connecting rod 67 again, can realize two different astigmatism axle position marker pen parallel arrangement, and adjustable different angles, the medical personnel of being convenient for mark, and telescopic link 62 can carry out tensile effect, outwards remove through medical personnel pulling chucking piece 64, then telescopic link 62 can stretch in connecting sleeve 61, outwards pull out telescopic link 62, then correspond draw-in groove 63 through chucking piece 64, medical personnel loosen chucking piece 64, because the effect of fourth reset spring 66, chucking piece 64 can be fixed telescopic link 62 in the draw-in groove 63.

The utility model provides a gear articulates the articulated mode for among the prior art, and the skilled person in the art can clearly understand, does not explain in detail here, just what the utility model protected is the structural feature of astigmatism axis position marker pen.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. An astigmatism axis marking pen, characterized in that: the syringe comprises a first barrel and a second barrel, wherein the first barrel and the second barrel are arranged on the left and right sides, the first barrel and the second barrel are in spiral connection through a first sleeve, the left side of the first barrel is connected with a connector, the left end of the connector is in spiral connection with a fixed head through a second sleeve, and a needle head is fixedly arranged at the left end of the fixed head; the right end in the first barrel is provided with a movable block, the left side face of the movable block is provided with a limiting groove for inserting a refill, the left end in the first barrel is arranged on a T-shaped block, a cross rod of the T-shaped block is sleeved with a first reset spring, the refill is inserted into the limiting groove and penetrates through the T-shaped block, a limiting ring is sleeved on the refill and arranged on the right side of the T-shaped block, and the refill point of the refill is embedded into a needle core of the needle head; the fixed stopper that is provided with on the second barrel inside wall, be provided with in the second barrel and press the depression bar, just press the depression bar and pass the stopper with the movable block right flank is connected, it is equipped with second reset spring to overlap on the depression bar, press the connection of depression bar right-hand member face to be provided with and be used for with the nib of refill is pressed out the pressing piece outside the syringe needle.

2. An astigmatic axial marker pen according to claim 1, wherein: the pressing piece comprises an L-shaped pressing rod, a vertical rod of the L-shaped pressing rod is connected with the right end face of the pressing rod, a transverse rod of the L-shaped pressing rod penetrates through the second barrel body and extends out of the second barrel body, and a pressing part is arranged on the transverse rod of the L-shaped pressing rod; be provided with L shape carriage release lever on the montant of L shape press lever, the horizontal pole lower surface of L shape carriage release lever is provided with the gag lever post, just the gag lever post with the montant of L shape carriage release lever cooperatees and forms a recess, be provided with third reset spring in the recess, just third reset spring end-to-end connection has spacing convex part, seted up on the second barrel with spacing convex part matched with spacing opening, spacing opening is less than the diameter of spacing convex part.

3. An astigmatic axial marker pen according to claim 2, wherein: one end of the first return spring is fixed on the inner side wall of the first cylinder body, and the other end of the first return spring is fixed on the T-shaped block; one end of the second return spring is fixed on the limiting block, and the other end of the second return spring is fixed on the L-shaped pressing rod.

4. An astigmatic axial marker pen according to claim 1, wherein: the right end of the second cylinder is in threaded connection with a first connecting rod through a third sleeve, and a handle is hinged to the right end of the first connecting rod in a gear mode.

5. An astigmatic axial marker pen according to claim 1, wherein: the right end of the second barrel is in spiral connection with a second connecting rod through a fourth sleeve, a connecting sleeve is hinged to a right end gear of the second connecting rod, a telescopic rod is embedded in the right end of the connecting sleeve, two clamping grooves are formed in the telescopic rod, through holes corresponding to the clamping grooves are formed in the connecting sleeve, clamping blocks matched with the clamping grooves are arranged in the through holes, a clamping cavity is formed in the connecting sleeve and communicated with the through holes, a limiting ring and a fourth reset spring are sleeved on the clamping blocks and arranged in the clamping cavity, one end of the fourth reset spring is fixed on the limiting ring, and the other end of the fourth reset spring is fixed in the clamping cavity; the terminal gear of telescopic link articulates and is provided with the third connecting rod, the terminal turnbuckle of third connecting rod is equipped with the fourth sleeve.