阅读说明：本技术 一种植入体的多次植入装置及植入方法 (Multiple implantation device and implantation method for implant ) 是由 顾东林 于 2020-05-14 设计创作，主要内容包括：本发明涉及医疗器械技术领域,尤其涉及一种植入体的多次植入装置及植入方法,植入体的多次植入装置包括壳体、穿刺机构、输送机构,植入体保持机构；基于该装置的植入方法为植入装置的穿刺机构将穿刺到植入的目标位置后撤回穿刺机构,将植入体和输送机构送至目标位置,通过输送机构将多个植入体植入到目标位置,最后整个植入装置撤出植入部位完成植入物的植入。本发明可以将多个植入物安全稳定的植入到待植入的目标位置,操作简单,给医生提供了极大的便利,降低了手术风险。(The invention relates to the technical field of medical instruments, in particular to a multiple implantation device and an implantation method of an implant, wherein the multiple implantation device of the implant comprises a shell, a puncture mechanism, a conveying mechanism and an implant holding mechanism; the implantation method based on the device comprises the steps that after a puncture mechanism of the implantation device punctures to a target position for implantation, the puncture mechanism is withdrawn, an implant body and a delivery mechanism are conveyed to the target position, a plurality of implant bodies are implanted to the target position through the delivery mechanism, and finally the whole implantation device is withdrawn from the implantation position to complete the implantation of the implant. The invention can implant a plurality of implants to the target position to be implanted safely and stably, has simple operation, provides great convenience for doctors and reduces the operation risk.)

1. A multiple implantation device of an implant is characterized by comprising a shell, a puncture mechanism, an implant holding mechanism and a conveying mechanism, wherein the puncture mechanism, the implant holding mechanism and the conveying mechanism are arranged in the shell; the implant holding mechanism comprises a central needle, the central needle is used for inserting an implant, the central needle is sleeved in the puncture needle and is fixedly connected with the shell, and the central needle is provided with an abutting bulge for abutting against the inserted implant; the conveying mechanism comprises a conveying needle and a conveying operation button, the conveying needle sleeve is arranged outside the central needle, the caliber of the top end part of the conveying needle is smaller than the diameter of the implant, the tail end of the conveying needle is connected with the conveying operation button, and the conveying operation button pushes the conveying needle to move axially relative to the central needle so as to push the implant to be separated from the central needle to be implanted into a target.

2. The multiple implant implanting device of claim 1, wherein the rear end of the delivery needle is connected to the delivery button through a pushing block, the rear end of the delivery needle is connected to the pushing block, the pushing block is connected to the delivery button in an abutting manner, and the pushing block is further connected to a reset structure for resetting against the delivery button after the pushing block is pushed by the delivery button.

3. The multiple implant device of claim 2, wherein said restoring structure is an elastic member, one end of said elastic member is connected to said pushing block, and the other end of said elastic member is connected to said housing for urging said pushing block against said delivery operating knob.

4. The multiple implant device of claim 3, wherein the tip of the delivery needle is a constriction, the angle of the constriction matching the end of the implant to force the implant in the constriction out of the constriction.

5. The multiple implant device of claim 4, wherein said delivery needle has a plurality of openings at its tip, said openings being U-shaped or V-shaped.

6. The multiple implant device of claim 4, wherein said delivery button has a sliding block, said housing has a plurality of T-shaped sliding slots matching with the sliding block, said T-shaped sliding slots are distributed in parallel along a direction perpendicular to the central needle, the sliding stroke of said T-shaped sliding slots increases from a direction away from the central needle to a direction close to the central needle, and the increasing distance matches with the length of the implant; the T-shaped sliding chutes are connected through the baffle, and the sliding block slides away from the edge of the baffle under the thrust and enters the adjacent T-shaped sliding chutes under the pressure.

7. The multiple implant device of claim 1, wherein said abutment projection is formed by a retaining pin end having a diameter greater than the diameter of the central pin.

8. The multiple implant device of claim 1, wherein said central needle tip is tapered and said central needle is a hollow through-structure.

9. A method for implanting a multiple implant device based on an implant according to any of claims 1 to 8, comprising the steps of:

s1, pushing a puncture push button to drive a puncture needle to puncture a target position to be implanted; after puncture, the puncture push button is pushed back to withdraw the puncture needle;

s2, operating the conveying operation button to drive the conveying needle to push the implant on the central needle into a target position;

and S3, withdrawing the implant for multiple times of implantation devices.

10. The implant method of claim 9, wherein the step S2 further comprises operating the delivery button to drive the delivery needle to push the remaining implant on the central needle to the target position.

Technical Field

The invention relates to the technical field of medical instruments, in particular to a multi-implantation device and an implantation method of an implant.

Background

The eye is the most important organ in human sense, and about 80% of the knowledge in the brain is acquired by the eye. The eyes are needed to read the books and recognize words, watch pictures, watch figures, enjoy beautiful scenery and the like. The eye can distinguish light rays with different colors and brightness, and convert the information into nerve signals to be transmitted to the brain.

Glaucoma is a group of eye diseases that lead to damage to the optic nerve and to loss of vision. The most common type is open angle glaucoma, in which the drainage angle of the intraocular fluid remains open, and the less common types include angle-closure glaucoma and normotensive glaucoma. Open angle glaucoma develops slowly over time, without pain. Peripheral vision may begin to decline, followed by central vision, which if left untreated, can lead to blindness. Glaucoma is permanent once vision loss occurs.

Aqueous humor is a transparent liquid that fills the area between the cornea, the front of the eye, and the lens. Aqueous humor is continuously secreted by the ciliary process of the ciliary body into the posterior chamber of the eye and flows through the pupil into the anterior chamber, so there is a constant flow of fluid from the ciliary body to the anterior chamber of the eye. The aqueous humor fluid provides nourishment to the eyes without vascular structures (e.g., cornea and lens) and maintains intraocular pressure. The pressure in the eye is determined by the balance between the production of water in the eye and the outflow of water through the tubules; many open angle glaucoma is due to increased resistance of the trabecular meshwork or schlemm's canal to aqueous humor drainage. The tissue of the trabecular meshwork generally allows aqueous humor to enter schlemm's canal, then enter the water collection channel at the posterior wall of the schlemm's canal, and then enter the water veins, forming the schlemm's venous system. The uveoscleral outflow pathway refers to the diffusion of water out of the anterior chamber through the intercellular spaces between ciliary muscle fibers.

Treatment for glaucoma may involve implanting intraocular implants in the eye to promote the egress of water, thereby reducing intraocular pressure. Typical implantation methods require relatively invasive surgery, risk excessive trauma to the eye, and require over-treatment of the implant. For example, in a typical implantation method, an incision is made through the sclera or cornea, and forceps or other similar manual grasping devices are used to insert the implant into the desired implantation location. And only one implant is introduced into the eye at a time. This requires reinstallation and repositioning of the forceps prior to insertion of each implant into the eye. Once the implant is implanted, the grasping device is removed and the incision is sutured. The existing operation is complex and requires low security.

In view of the above technical problems, it is desirable to improve.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a device and a method for implanting an implant body multiple times.

In order to achieve the purpose, the invention adopts the following technical scheme:

a multiple implantation device of an implant comprises a shell, a puncture mechanism, an implant holding mechanism and a conveying mechanism, wherein the puncture mechanism, the implant holding mechanism and the conveying mechanism are arranged in the shell; the implant holding mechanism comprises a central needle, the central needle is used for inserting an implant, the central needle is sleeved in the puncture needle and is fixedly connected with the shell, and the central needle is provided with an abutting bulge for abutting against the inserted implant; the conveying mechanism comprises a conveying needle and a conveying operation button, the conveying needle sleeve is arranged outside the central needle, the caliber of the top end part of the conveying needle is smaller than the diameter of the implant, the tail end of the conveying needle is connected with the conveying operation button, and the conveying operation button pushes the conveying needle to move axially relative to the central needle so as to push the implant to be separated from the central needle to be implanted into a target.

As a preferred scheme, the tail end of the conveying needle is connected with the conveying operation button through a push block, the tail end of the conveying needle is connected with the push block, the push block is connected with the conveying operation button in an abutting mode, the push block is further connected with a reset structure, and the reset structure is used for resetting and abutting against the conveying operation button after the push block is pushed by the conveying operation button.

Preferably, the reset structure is an elastic piece, one end of the elastic piece is connected with the push block, and the other end of the elastic piece is connected with the shell to apply force to the push block to abut against the conveying operation button.

Preferably, the top end of the delivery needle is of a necking structure, and the angle of the necking is matched with the end part of the implant so that the implant in the necking passes through the necking when stressed.

Preferably, the top end of the conveying needle is provided with a plurality of openings, and the openings are U-shaped or V-shaped.

Preferably, the conveying operation button is provided with a sliding block, the shell is provided with a plurality of layers of T-shaped sliding chutes matched with the sliding block, the T-shaped sliding chutes are distributed in parallel along the direction vertical to the central needle, the sliding strokes of the T-shaped sliding chutes are sequentially increased from the direction far away from the central needle to the direction close to the central needle, and the increasing distance is matched with the length of the implant; the T-shaped sliding chutes are connected through the baffle, and the sliding block slides away from the edge of the baffle under the thrust and enters the adjacent T-shaped sliding chutes under the pressure.

Preferably, said abutment projection is constituted by a retaining needle end having a diameter greater than the diameter of the central needle.

Preferably, the top end of the central needle is conical, and the central needle is of a hollow penetrating structure.

A method of implanting an implant-based multiple implant device, comprising the steps of:

s1, pushing a puncture push button to drive a puncture needle to puncture a target position to be implanted; after puncture, the puncture push button is pushed back to withdraw the puncture needle;

s2, operating the conveying operation button to drive the conveying needle to push the implant on the central needle into a target position;

and S3, withdrawing the implant for multiple times of implantation devices.

Preferably, the step S2 further includes operating the delivery button to drive the delivery needle to push the remaining implant on the central needle to the target position.

Compared with the prior art, the multiple-time implant device and the multiple-time implant method of the implant can safely and reliably convey a plurality of implants to the target position in the operation process, provide great convenience for doctors, and reduce the operation risk.

Drawings

Fig. 1 is a schematic view of the overall structure of a multi-implantation device of an implant according to a first embodiment of the present invention;

FIG. 2 is a schematic view of an exploded structure of a multiple implantation device of an implant according to a first embodiment of the present invention;

FIG. 3 is a schematic illustration of a right housing front view of a multiple implantation device of an implant according to a first embodiment of the invention;

FIG. 4 is a schematic view of a bearing diagram of a right housing of a multi-implantation device of an implant according to a first embodiment of the invention;

FIG. 5 is a schematic illustration of a front view of a piercing mechanism of a multiple implantation device of an implant according to a first embodiment of the invention;

FIG. 6 is a schematic isometric view of a piercing mechanism of a multiple implantation device of an implant according to a first embodiment of the invention;

FIG. 7 is a schematic view of the placement of the puncturing mechanism during installation of the multiple implantation device of the implant according to the first embodiment of the present invention;

FIG. 8 is a schematic view of the retracting state of the penetrating mechanism of the multiple implantation device of the implant according to the first embodiment of the present invention;

FIG. 9 is a schematic view of the delivery mechanism and the housing of the multiple implant device of the implant according to the first embodiment of the present invention;

FIG. 10 is an isometric view of the delivery mechanism and housing of a multi-implantation device of an implant according to a first embodiment of the invention;

fig. 11 is a schematic view illustrating a second mounting groove of a multi-implantation device of an implant according to a first embodiment of the present invention has 4 layers;

FIG. 12 is an enlarged partial view of an implant holding mechanism of a multiple implant device of an implant according to a first embodiment of the present invention;

wherein: 101a, a left housing; 101b. a right housing; 102. a front end fixing sleeve; 200. a puncture mechanism; 300. a conveying mechanism; 400. an implant holding mechanism; 1011. a housing connection point; 1012. a first mounting groove; 1013. a second mounting groove; 1014. a fixed sleeve connection point; 1015. a cavity; 1016. a through hole; 1017. an elastic piece fixing block; 1018. a holding mechanism fixing block; 201. a puncture push button; 202. a projecting plate; 203. the middle part is communicated; 204. a front end restraining post; 205. puncturing needle; 301. a delivery needle; 302. a spring; 303. a push block; 304. a transport operating button; 401. a central needle; 402. an implant; 403. the needle is retained.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.