Shovel-shaped needle head for removing corneal foreign matters

Abstract

The utility model relates to the technical field of needle heads, and discloses a shovel-shaped needle head for removing corneal foreign matters, which solves the problems that cornea injury is easily caused and foreign matters are difficult to remove through a common needle head, and comprises a needle head body consisting of a connecting sleeve, a main tube body, a branch tube and an auxiliary fetching mechanism, the main pipe body is fixedly connected to one end of the connecting sleeve, the end, away from the connecting sleeve, of the main pipe body is provided with a needle tip, the needle tip is of a flat shovel-shaped structure, the branch pipe is fixedly connected to the top end of the main pipe body and communicates with the main pipe body, and the auxiliary fetching mechanism is connected into the branch pipe and the main pipe body in a penetrating mode. The auxiliary fetching mechanism is composed of a rotary knob, a first cross arm, a flexible connecting section, a second cross arm and a fetching shovel head. By means of the shovel-shaped needle head, cornea injury can be effectively avoided, meanwhile, foreign matter can be conveniently removed, and operation convenience and safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to needle head technical field, specifically is a shovel type needle head for corneal foreign body removal. BACKGROUND

[0002] Corneal foreign body is one of the most common eye injuries in ophthalmic clinic, among which iron metal foreign body is the most common, and the highest is more than 90% of corneal foreign body patients in clinic, and it is mostly found in construction workers, decoration workers, metal processing workers and so on.The treatment of superficial corneal foreign body mainly uses disposable syringe needle or corneal foreign body hook to take out after giving corneal surface anesthesia in clinic.

[0003] At present, 5ml syringe needle is widely used in clinic for foreign body removal, which is convenient and low in cost, but it also has the following shortcomings: 1, the needle is extremely sharp, and the patient's eyeball is easy to cause corneal injury when rotating;2, corneal foreign body is often attached to the corneal surface after removal, which is difficult to remove directly with the needle and easy to damage the normal cornea, therefore, the application provides a shovel type needle head for corneal foreign body removal. UTILITY MODEL CONTENT

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a shovel type needle head for corneal foreign body removal, which effectively solves the problems of easy corneal injury by ordinary needle and difficulty in foreign body removal.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a shovel type needle head for corneal foreign body removal, comprising a needle body, the needle body is composed of a connecting sleeve, a main pipe body, a branch pipe and an auxiliary material taking mechanism, the main pipe body is fixedly connected to one end of the connecting sleeve, a needle tip is arranged at the end of the main pipe body away from the connecting sleeve, the needle tip is a flat shovel type structure, the branch pipe is fixedly connected to the top end of the main pipe body and communicates with the main pipe body, the auxiliary material taking mechanism is connected to the inside of the branch pipe and the main pipe body, the auxiliary material taking mechanism is composed of a knob, a first horizontal arm, a flexible connecting section, a second horizontal arm and a material taking shovel head, the first horizontal arm is slidingly connected to the inside of the branch pipe, the knob is located at one end of the branch pipe and is fixedly connected with the first horizontal arm, the flexible connecting section is connected to the first horizontal arm and is slidingly connected to the branch pipe, the second horizontal arm is connected to the inside of the main pipe body, one end of the second horizontal arm is fixedly connected with the flexible connecting section, and the material taking shovel head is fixedly connected to the end of the second horizontal arm away from the flexible connecting section.

[0006] Preferably, a limiting sleeve is sleeved on the second horizontal arm, the limiting sleeve is slidingly connected to the inside of the main pipe body, the diameter of the second horizontal arm is smaller than the inner diameter of the main pipe body, and the width of the material taking shovel head is smaller than the inner diameter of the main pipe body.

[0007] Preferably, the arc-shaped outer surface of the knob is provided with anti-skid lines.

[0008] Preferably, the flexible connecting section is composed of several steel wires.

[0009] Preferably, the top of the branch pipe is provided with a locking knob matched with the first horizontal arm at one end close to the connecting sleeve.

[0010] Preferably, the connecting sleeve and the main pipe body are fixedly provided with several reinforcing ribs.

[0011] Preferably, the main pipe body and the branch pipe are fixedly provided with auxiliary support arms.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1), in the work, through being provided with the needle point of flat shovel type structure, can make it and corneal foreign body contact surface is larger, deeper tissue damage is smaller, the wound is more even, the patient recovers faster, improves the security of use, avoids causing the larger damage to the cornea;

[0014] (2), through setting up by knob, first horizontal arm, flexible connecting section, second horizontal arm and object shovel head constitute the auxiliary object mechanism, can when the foreign matter moves to the corneal surface, through the cooperation with needle point, the foreign matter is taken out, further improves the convenience of operation, avoids causing the difficult situation of foreign matter to be taken out. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model along with the embodiments of the utility model, and do not constitute the limitation of the utility model.

[0016] In the drawings:

[0017] Figure 1 It is one of the schematic diagram of the shovel type needle head structure for corneal foreign body removal of the utility model;

[0018] Figure 2 It is the second schematic diagram of the shovel type needle head structure for corneal foreign body removal of the utility model;

[0019] Figure 3 It is the partial enlarged view of the utility model; Figure 1

[0020] Figure 4 It is one of the schematic diagram of the auxiliary object mechanism structure of the utility model;

[0021] Figure 5 It is the second schematic diagram of the auxiliary object mechanism structure of the utility model;

[0022] Figure 6 It is the partial structure schematic diagram of the flexible connecting section of the utility model;

[0023] ​In the figure: 1, needle body; 2, connecting sleeve; 3, main pipe body; 4, branch pipe; 5, auxiliary material taking mechanism; 6, needle tip; 7, knob; 8, first horizontal arm; 9, flexible connecting section; 10, second horizontal arm; 11, material taking shovel head; 12, limiting sleeve; 13, anti-skid pattern; 14, steel wire; 15, locking knob; 16, reinforcing rib; 17, auxiliary supporting arm. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] By Figures 1 to 6 The utility model discloses a shovel type needle for removing corneal foreign matter, including needle body 1, needle body 1 is by connecting sleeve 2, main pipe body 3, branch pipe 4 and auxiliary material taking mechanism 5 constitute, the one end of main pipe body 3 is fixedly connected in connecting sleeve 2, the one end of main pipe body 3 away from connecting sleeve 2 is provided with needle tip 6, needle tip 6 is flat shovel type structure, branch pipe 4 is fixedly connected at the top of main pipe body 3 and is communicated with main pipe body 3, auxiliary material taking mechanism 5 is inserted in the inside of branch pipe 4 and main pipe body 3, auxiliary material taking mechanism 5 is by knob 7, first horizontal arm 8, flexible connecting section 9, second horizontal arm 10 and material taking shovel head 11 constitute, first horizontal arm 8 is inserted in the inside of branch pipe 4, knob 7 is located at one end of branch pipe 4 and is fixedly connected with first horizontal arm 8, flexible connecting section 9 is inserted in branch pipe 4 and is fixedly connected with first horizontal arm 8, second horizontal arm 10 is connected in the inside of main pipe body 3, and one end of second horizontal arm 10 is fixedly connected with flexible connecting section 9, and material taking shovel head 11 is fixedly connected at one end of second horizontal arm 10 away from flexible connecting section 9;

[0026] When using, first by needle tip 6 and move to the corneal surface, by setting needle tip 6 for flat shovel type structure, can improve the contact area with cornea, and then can avoid the cornea to cause greater damage, at this time with hand rotation knob 7 and slowly push, make material taking shovel head 11 move out from inside needle tip 6, guarantee material taking shovel head 11 to fold upwards during moving out, when moving out, rotate knob 7, make material taking shovel head 11 fold downwards, to be able to contact with foreign matter, at this time pull knob 7, by first horizontal arm 8, flexible connecting section 9, second horizontal arm 10 pull material taking shovel head 11, by material taking shovel head 11 and move to the inside of needle tip 6, to improve the convenience of removing foreign matter;

[0027] By Figure 2 、 Figure 4 、 Figure 5 AndFigure 6 Given that a limiting sleeve 12 is fitted on the second cross arm 10, the limiting sleeve 12 is slidably connected to the inside of the main body 3, the diameter of the second cross arm 10 is smaller than the inner diameter of the main body 3, the width of the scooping head 11 is smaller than the inner diameter of the main body 3, the arc-shaped outer surface of the knob 7 is provided with anti-slip texture 13, the flexible connecting section 9 is composed of several steel wires 14 twisted together, and a locking knob 15 matching the first cross arm 8 is inserted at the top of the branch pipe 4 near the connecting sleeve 2.

[0028] The limiting sleeve 12 can limit the second cross arm 10, so that it is always parallel to the main body 3, avoiding shaking and affecting the safety of operation. The flexible connecting section 9, which is formed by twisting several steel wires 14, can achieve flexible connection, which is convenient for rotation and movement adjustment. The locking knob 15 can limit the first cross arm 8, improving its stability.

[0029] Depend on Figure 2 As shown, a number of reinforcing ribs 16 are fixedly provided between the connecting sleeve 2 and the main body 3, and an auxiliary support arm 17 is fixedly provided between the main body 3 and the branch pipe 4.

[0030] The connecting sleeve 2 and the main body 3 can be reinforced by the reinforcing rib 16, and the branch pipe 4 can be reinforced by the auxiliary support arm 17, thereby improving the stability of the branch pipe 4.

[0031] During operation, the needle tip with a flat, shovel-shaped structure allows for a larger contact area with corneal foreign bodies, resulting in less damage to deep tissues, a smoother wound, faster patient recovery, improved safety, and avoidance of significant corneal damage. Furthermore, the auxiliary retrieval mechanism, consisting of a knob, a first horizontal arm, a flexible connecting section, a second horizontal arm, and a retrieval shovel head, allows for the removal of foreign bodies from the corneal surface in conjunction with the needle tip, further enhancing ease of operation and preventing difficulties in foreign body removal.

Claims

1. A spatula type needle for corneal foreign body removal, comprising a needle body (1), characterized in that: The needle body (1) is composed of a connecting sleeve (2), a main pipe body (3), a branch pipe (4) and an auxiliary material taking mechanism (5), the main pipe body (3) is fixedly connected to one end of the connecting sleeve (2), the end of the main pipe body (3) away from the connecting sleeve (2) is provided with a needle tip (6), the needle tip (6) is a flat shovel structure, the branch pipe (4) is fixedly connected to the top end of the main pipe body (3) and communicates with the main pipe body (3), the auxiliary material taking mechanism (5) is connected to the inside of the branch pipe (4) and the main pipe body (3), the auxiliary material taking mechanism (5) is composed of a knob (7), a first horizontal arm (8), a flexible connecting section (9), a second horizontal arm (10) and a material taking shovel head (11), the first horizontal arm (8) is slidably connected to the inside of the branch pipe (4), the knob (7) is located at one end of the branch pipe (4) and is fixedly connected with the first horizontal arm (8), the flexible connecting section (9) is connected to the branch pipe (4) and is fixedly connected with the first horizontal arm (8), the second horizontal arm (10) is connected to the inside of the main pipe body (3), one end of the second horizontal arm (10) is fixedly connected with the flexible connecting section (9), and the material taking shovel head (11) is fixedly connected to the end of the second horizontal arm (10) away from the flexible connecting section (9).

2. A spatula type needle for removing corneal foreign bodies as claimed in claim 1, wherein: The second horizontal arm (10) is sleeved with a limiting sleeve (12), the limiting sleeve (12) is slidably connected to the inside of the main pipe body (3), the diameter of the second horizontal arm (10) is smaller than the inner diameter of the main pipe body (3), and the width of the material taking shovel head (11) is smaller than the inner diameter of the main pipe body (3).

3. A spatula type needle for removing corneal foreign bodies as claimed in claim 1 wherein: The arc-shaped outer surface of the knob (7) is provided with anti-skid lines (13).

4. The spatula tip for removing corneal foreign bodies according to claim 1, characterized in that: The flexible connecting section (9) is composed of a plurality of steel wires (14) twisted together.

5. The spatula tip for removing corneal foreign bodies according to claim 1, characterized in that: The end of the branch pipe (4) near the connecting sleeve (2) is provided with a locking knob (15) matched with the first horizontal arm (8).

6. A spatula tip for removing foreign bodies from the cornea as defined in claim 1, wherein: A plurality of reinforcing ribs (16) are fixedly arranged between the connecting sleeve (2) and the main pipe body (3).

7. A spatula tip for removing foreign bodies from the cornea as defined in claim 1, wherein: An auxiliary supporting arm (17) is fixedly arranged between the main pipe body (3) and the branch pipe (4).

Images