CN209734306U

CN209734306U - Needle holding device for clinical ophthalmic surgery

Info

Publication number: CN209734306U
Application number: CN201920130091.9U
Authority: CN
Inventors: 刘瑞斌; 刘翀
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2019-12-06
Anticipated expiration: 2029-01-25

Abstract

The utility model discloses an ophthalmology clinical operation needle holding device, which comprises a fixed base, be equipped with fixed chamber on the fixing base, fixed intracavity fixedly connected with fixed plate, the top fixedly connected with magnetic path of fixed plate, the top of fixing base is equipped with the operation needle, the bottom of operation needle extends to fixed intracavity and contacts with the top of magnetic path, the sliding tray has all been seted up on the both sides inner wall in fixed chamber, sliding connection has the sliding plate in the sliding tray, and one side that two sliding plates are close to each other all extends to fixed intracavity and fixed mounting has the riser, and the equal fixed mounting in one side that two risers are close to each other has the arc. The utility model discloses in, the doctor can use machinery to hold the needle when sewing up the wound of ophthalmology patient for doctor convenient operation, clamping device can polymerize the wound simultaneously, great reduction the sutural degree of difficulty of doctor, make the sutural accuracy nature of doctor high, sew up effectually.

Description

Needle holding device for clinical ophthalmic surgery

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an ophthalmic clinical operation needle holder.

background

The general term of ophthalmology is "ophthalmology specialty", which is the discipline for studying diseases occurring in the visual system, including the eyeball and its associated tissues. In general, many ophthalmic diseases such as vitreous body, retinal diseases, optic vision, glaucoma and optic neuropathy, cataract, etc. are studied in ophthalmology, and the common ophthalmic diseases include: central serous retinopathy, dry eye, sympathetic ophthalmia, nyctalopia, blindness, amblyopia, astigmatism, trachoma, cataract, diabetic retinopathy, conjunctivitis, presbyopia, achromatopsia, iridochromism, retinitis pigmentosa, central retinal artery occlusion, retinal detachment, myopia, hyperopia, pinprick, snow blindness, aragonima, glaucoma, muscae volitantes and the like.

In ophthalmic surgery, when a wound needs to be sutured, a surgical needle is generally held by hand for suturing, the long suturing time of the surgical needle is long, fatigue is easy to occur, the volume of the surgical needle is too small, the surgical needle is easy to separate from the fingers of a doctor, the suturing accuracy of the doctor is poor, and the suturing effect is not good.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a needle holding device for clinical ophthalmic surgery.

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

An ophthalmic clinical operation needle holding device comprises a fixed seat, wherein a fixed cavity is arranged on the fixed seat, a fixed plate is fixedly connected in the fixed cavity, a magnetic block is fixedly connected at the top of the fixed plate, an operation needle is arranged above the fixed seat, the bottom of the operation needle extends into the fixed cavity and contacts with the top of the magnetic block, sliding grooves are respectively formed in the inner walls of the two sides of the fixed cavity, sliding plates are respectively connected in the sliding grooves in a sliding mode, one sides, close to each other, of the two sliding plates extend into the fixed cavity and are fixedly provided with a vertical plate, one sides, close to each other, of the two vertical plates are respectively and fixedly provided with an arc-shaped plate, the two arc-shaped plates are respectively attached to the operation needle, nuts are fixedly connected at the tops of the vertical plates, a ball screw is rotatably connected to the inner wall of one side of, and two screw threads that the symmetry set up on the ball screw are respectively with two nut threaded connection, ball screw's one end runs through one side inner wall of fixed chamber and extends to one side of fixing base, and is located the ball screw of fixing base one side and has screw-nut, one side fixed mounting of screw-nut has two gag lever posts that the symmetry set up, two spacing grooves that the symmetry set up are seted up to one side of fixing base, and two gag lever posts keep away from screw-nut's one end and extend to two spacing inslots and a plurality of springs of fixedly connected with respectively, and the one end of spring keeps away from the one end of gag lever post and one side inner wall fixed connection of spacing groove, the bottom fixedly connected with of fixing base connects the rope, the one end fixedly connected with clamping device of fixing base is kept away from.

Preferably, one side of the screw rod nut far away from the limiting rod is fixedly connected with two symmetrically arranged fixing rods, and one end of each fixing rod far away from the screw rod nut is fixedly connected with the same button.

Preferably, a bearing is fixedly connected to the inner wall of one side of the fixed cavity, and the ball screw extends to an inner ring of the bearing and is fixedly connected with the inner ring of the bearing.

Preferably, clamping device includes two clamp plates, and the equal fixed mounting in one side that two clamp plates are close to each other has two sliding shafts that the symmetry set up, and the one side that two sliding shafts that are located the homonymy are close to each other slides and has cup jointed same sleeve, the equal fixedly connected with magnetic stripe in one side that two sliding shafts that are located the sleeve are close to each other.

Preferably, a plurality of grooves are formed in the clamping plate, and connecting holes communicated with each other are formed in the inner wall of one side, close to each other, of each two adjacent grooves.

Compared with the prior art, the beneficial effects of the utility model are that: when the surgical needle holding device body is needed to suture a wound of a patient, a surgical needle is inserted into the fixed cavity, the magnetic block can be connected with the surgical needle under the suction force of the magnetic block, then the button is pressed to compress the spring, and meanwhile, the two arc-shaped plates move to one side close to each other, so that the surgical needle can be clamped and fixed, the wound can be polymerized by using the clamping device at the moment, the wound does not need to be drawn manually, then the wound is sutured by using a surgical needle, when the surgical needle passes through the wound, the button is released, the screw rod nut is pushed to reset under the reset elastic force of the spring, at the moment, the two arc-shaped plates move in opposite directions, so that the arc-shaped plates can be separated from the surgical needle, then a doctor can pull the surgical needle out of the fixed cavity, and the first needle is sutured completely, the operation is repeated, and the wound suturing work can be completed.

The utility model discloses in, the doctor can use machinery to hold the needle when sewing up the wound of ophthalmology patient for doctor convenient operation, clamping device can polymerize the wound simultaneously, great reduction the sutural degree of difficulty of doctor, make the sutural accuracy nature of doctor high, sew up effectually.

drawings

Fig. 1 is a schematic structural view of a needle holding device for ophthalmic clinical operation according to the present invention;

Fig. 2 is an enlarged schematic structural view of a portion a of the needle holding device for ophthalmic clinical operation according to the present invention;

Fig. 3 is an enlarged schematic structural view of a portion B of the needle holding device for ophthalmic clinical operation according to the present invention;

Fig. 4 is a schematic side view of a clamping plate of the needle holding device for ophthalmic clinical operation according to the present invention;

Fig. 5 is a schematic view of the arc-shaped plate of the needle holding device for clinical ophthalmic surgery according to the present invention.

in the figure: the surgical instrument comprises a fixed seat 1, a fixed cavity 2, a surgical needle 3, a fixed plate 4, a magnetic block 5, a sliding groove 6, a sliding plate 7, a vertical plate 8, a nut 9, an arc plate 10, a ball screw 11, a screw nut 12, a limiting rod 13, a limiting groove 14, a spring 15, a connecting rope 16, a clamping device 17, a clamping plate 17.1, a groove 17.11, a connecting hole 17.12, a sliding shaft 17.2, a sleeve 17.3 and a magnetic strip 17.4.

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.

Referring to fig. 1-5, an ophthalmic clinical operation needle holding device comprises a fixing base 1, a fixing cavity 2 is arranged on the fixing base 1, a fixing plate 4 is fixedly connected in the fixing cavity 2, a magnetic block 5 is fixedly connected on the top of the fixing plate 4, an operation needle 3 is arranged above the fixing base 1, the bottom of the operation needle 3 extends into the fixing cavity 2 and contacts with the top of the magnetic block 5, sliding grooves 6 are respectively arranged on the inner walls of the two sides of the fixing cavity 2, sliding plates 7 are slidably connected in the sliding grooves 6, the sides of the two sliding plates 7 close to each other both extend into the fixing cavity 2 and are fixedly provided with vertical plates 8, the sides of the two vertical plates 8 close to each other are fixedly provided with arc plates 10, the two arc plates 10 are respectively attached to the operation needle 3, the top of each vertical plate 8 is fixedly connected with a nut 9, a ball screw rod 11 is rotatably connected on the inner wall of one side of, the ball screw 11 penetrates through the two nuts 9, two symmetrically arranged threads on the ball screw 11 are respectively in threaded connection with the two nuts 9, one end of the ball screw 11 penetrates through the inner wall of one side of the fixing cavity 2 and extends to one side of the fixing seat 1, the ball screw 11 positioned on one side of the fixing seat 1 is in threaded connection with the screw nut 12, one side of the screw nut 12 is fixedly provided with two symmetrically arranged limiting rods 13, one side of the fixing seat 1 is provided with two symmetrically arranged limiting grooves 14, one ends of the two limiting rods 13 far away from the screw nut 12 respectively extend into the two limiting grooves 14 and are fixedly connected with a plurality of springs 15, one ends of the springs 15 far away from the limiting rods 13 are fixedly connected with the inner wall of one side of the limiting grooves 14, the bottom of the fixing seat 1 is fixedly connected with a connecting rope 16, and one end of the connecting rope 16 far away from the fixing seat, when the surgical needle holding device body is needed to suture the wound of a patient, the surgical needle 3 is inserted into the fixed cavity 2, the magnetic block 5 can be connected with the surgical needle 3 under the suction force of the magnetic block 5, then the button is pressed, the spring 15 is compressed, and the two arc-shaped plates 10 move towards one side close to each other, so that the surgical needle 3 can be clamped and fixed, at the moment, the wound can be polymerized by using the clamping device 17 without drawing the wound together manually, then the wound is sutured by using the surgical needle 3, when the surgical needle 3 passes through the wound, the button is released, the screw nut 12 is pushed to reset under the reset elasticity of the spring 15, at the moment, the two arc-shaped plates 10 move towards opposite directions, so that the arc-shaped plates 10 can be separated from the surgical needle 3, and then a doctor can pull out the surgical needle 3 from the fixed cavity 2, so first needle is just sewed up and is finished, just so bad luck repeatedly, alright in order to accomplish the wound and sew up work, the utility model discloses in, the doctor can use machinery to hold the needle when sewing up the wound of ophthalmology patient for doctor convenient operation, clamping device 17 can be gathered the wound simultaneously, great reduction the degree of difficulty that the doctor sewed up, make the accuracy nature that the doctor sewed up high, sew up effectually.

in the utility model, one side of the screw nut 12 far away from the limiting rod 13 is fixedly connected with two symmetrically arranged fixed rods, and one end of the two fixed rods far away from the screw nut 12 is fixedly connected with the same button, one side of the inner wall of the fixed cavity 2 is fixedly connected with a bearing, the ball screw 11 extends to the inner ring of the bearing and is fixedly connected with the inner ring of the bearing, the clamping device 17 comprises two clamping plates 17.1, one side of the two clamping plates 17.1 close to each other is fixedly provided with two symmetrically arranged sliding shafts 17.2, one side of the two sliding shafts 17.2 close to each other at the same side is slidably sleeved with the same sleeve 17.3, one side of the two sliding shafts 17.2 close to each other in the sleeve 17.3 is fixedly connected with a magnetic stripe 17.4, the clamping plate 17.1 is provided with a plurality of grooves 17.11, and the inner wall of one side of the two adjacent grooves 17.11 close to each other is provided, when the surgical needle holding device body is needed to suture the wound of a patient, the surgical needle 3 is inserted into the fixed cavity 2, the magnetic block 5 can be connected with the surgical needle 3 under the suction force of the magnetic block 5, then the button is pressed, the spring 15 is compressed, and the two arc-shaped plates 10 move to one side close to each other, so that the surgical needle 3 can be clamped and fixed, at the moment, the wound can be polymerized by using the clamping device 17 without drawing the wound together manually, then the wound is sutured by using the surgical needle 3, when the surgical needle 3 passes through the wound, the button is released, the screw nut 12 is pushed to reset under the reset elasticity of the spring 15, at the moment, the two arc-shaped plates 10 move in opposite directions, so that the arc-shaped plates 10 can be separated from the surgical needle 3, and then a doctor can pull the surgical needle 3 out of the fixed cavity 2, so first needle is just sewed up and is finished, just so bad luck repeatedly, alright in order to accomplish the wound and sew up work, the utility model discloses in, the doctor can use machinery to hold the needle when sewing up the wound of ophthalmology patient for doctor convenient operation, clamping device 17 can be gathered the wound simultaneously, great reduction the degree of difficulty that the doctor sewed up, make the accuracy nature that the doctor sewed up high, sew up effectually.

The working principle is as follows: when the surgical needle holding device body is needed to suture the wound of a patient, the surgical needle 3 is inserted into the fixed cavity 2, when the surgical needle 3 is contacted with the magnetic block 5, the magnetic block 5 can be connected with the surgical needle 3 under the suction force of the magnetic block 5, then the button is pressed, the screw nut 12 is moved, the ball screw 11 is in threaded connection with the screw nut 12 and can not be self-locked, when the screw nut 12 moves, the ball screw 11 can rotate, two symmetrically arranged threads are arranged on the ball screw 11, the ball screw 11 penetrates through the two nuts 9, the two symmetrically arranged threads on the ball screw 11 are respectively in threaded connection with the two nuts 9, further the two arc-shaped plates 10 can move to the side close to each other when the ball screw 11 rotates, because the surgical needle 3 can be fixed, the clamping device 17 is utilized at the moment, the wound is positioned between the two clamping plates 17.1, then the two clamping plates 17.1 are pushed to move towards one side close to each other, until the two magnetic strips 17.4 are attached to each other, the clamping plates 17.1 can be fixed under the magnetic force of the two magnetic strips 17.4 which are attracted to each other, then the wound can be polymerized, the wound does not need to be drawn together manually, then the wound is sutured by the surgical needle 3, when the surgical needle 3 penetrates through the wound, the button is loosened, the screw rod nut 12 can be pushed to reset under the reset elastic force of the spring 15, and then the ball screw rod 11 can be reversed, at the moment, the two arc plates 10 can move in opposite directions, and then the arc plates 10 can be separated from the surgical needle 3, then the surgical needle 3 can be pulled out from the fixed cavity 2, so that the first needle is sutured completely, the work is repeatedly carried out, and the wound suturing work can be completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The ophthalmic clinical operation needle holding device comprises a fixed seat (1) and is characterized in that a fixed cavity (2) is arranged on the fixed seat (1), a fixed plate (4) is fixedly connected in the fixed cavity (2), a magnetic block (5) is fixedly connected to the top of the fixed plate (4), an operation needle (3) is arranged above the fixed seat (1), the bottom of the operation needle (3) extends into the fixed cavity (2) and is contacted with the top of the magnetic block (5), sliding grooves (6) are respectively formed in the inner walls of the two sides of the fixed cavity (2), sliding plates (7) are slidably connected in the sliding grooves (6), one sides of the two sliding plates (7) which are close to each other extend into the fixed cavity (2) and are fixedly provided with vertical plates (8), and one sides of the two vertical plates (8) which are close to each other are fixedly provided with arc-shaped plates (10), and the two arc plates (10) are both attached to the operation needle (3), the top of the vertical plate (8) is fixedly connected with a nut (9), a ball screw (11) is rotatably connected to the inner wall of one side of the fixed cavity (2), two threads which are symmetrically arranged are arranged on the ball screw (11), the ball screw (11) penetrates through the two nuts (9), the two threads which are symmetrically arranged on the ball screw (11) are respectively in threaded connection with the two nuts (9), one end of the ball screw (11) penetrates through the inner wall of one side of the fixed cavity (2) and extends to one side of the fixed seat (1), a screw nut (12) is in threaded connection with the ball screw (11) which is positioned on one side of the fixed seat (1), two limiting rods (13) which are symmetrically arranged are fixedly arranged on one side of the screw nut (12), two limiting grooves (14) which are symmetrically arranged are arranged on one side of the fixed seat (1), and the one end that screw-nut (12) was kept away from in two gag lever posts (13) extends to two spacing grooves (14) respectively and a plurality of springs of fixedly connected with (15), and the one end of spring (15) is kept away from the one end of gag lever post (13) and one side inner wall fixed connection of spacing groove (14), the bottom fixedly connected with of fixing base (1) connects rope (16), connect rope (16) and keep away from one end fixedly connected with clamping device (17) of fixing base (1).

2. The ophthalmic clinical operation needle holding device of claim 1, wherein one side of the screw nut (12) far away from the limiting rod (13) is fixedly connected with two symmetrically arranged fixing rods, and one end of the two fixing rods far away from the screw nut (12) is fixedly connected with the same button.

3. An ophthalmological clinical operation needle holding device according to claim 1, characterized in that a bearing is fixedly connected to one side of the inner wall of the fixing chamber (2), and the ball screw (11) extends to and is fixedly connected with the inner ring of the bearing.

4. The ophthalmic clinical operation needle holding device according to claim 1, wherein the clamping device (17) comprises two clamping plates (17.1), two sliding shafts (17.2) which are symmetrically arranged are fixedly installed on the mutually close sides of the two clamping plates (17.1), the mutually close side of the two sliding shafts (17.2) positioned on the same side is slidably sleeved with the same sleeve (17.3), and the mutually close side of the two sliding shafts (17.2) positioned in the sleeve (17.3) is fixedly connected with a magnetic strip (17.4).

5. The needle holding device for the ophthalmologic clinical operation according to claim 4, characterized in that the clamping plate (17.1) is provided with a plurality of grooves (17.11), and the inner wall of one side of two adjacent grooves (17.11) close to each other is provided with a connecting hole (17.12) communicated with each other.