CN115429968A

CN115429968A - Implantable medical equipment with safety protection function

Info

Publication number: CN115429968A
Application number: CN202211114093.1A
Authority: CN
Inventors: 李泽桦; 曾宇宏; 李泽聪
Original assignee: Southern Medical University Zhujiang Hospital
Current assignee: Southern Medical University Zhujiang Hospital
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-06
Anticipated expiration: 2042-09-14
Also published as: WO2024055706A1; CN115429968B

Abstract

The invention discloses an implantable medical device with a safety protection function, and relates to the technical field of medical instruments. The connecting device comprises a port seat assembly, wherein a connecting seat is fixedly connected to one side of the port seat assembly, a lock catch is clamped in the connecting seat, a catheter assembly is fixedly connected in the lock catch, an outer tube is sleeved on the surface of the catheter assembly, and a tightening assembly is fixedly connected to one end of the outer tube. According to the invention, through the arrangement of the tightening assembly, the guide wire assembly and the protection head assembly, the thread is pushed to the threaded pipe seat in a sleeved mode, so that the pushing disc is driven to move towards the guide pipe and push the guide wire to move to the conical head, and the guide wire is expanded outwards between the conical head and the outer pipe, so that the conical head is fixed in a vein, the problem that the position of the guide pipe is moved due to the fact that a patient pulls the guide pipe when moving in the prior art is solved, the situation that the medicine outlet position is shifted and even blocked due to the shift of the position of the guide pipe is reduced, and the safety of the patient after being implanted in the body is improved.

Description

Implantable medical equipment with safety protection function

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to implantable medical equipment with a safety protection function.

Background

The implantable medical device comprises a common steel plate fixation, and mainly means that a chip and other tiny objects are implanted in a human body, such as an infusion port, wherein the infusion port is a closed infusion device completely implanted in the human body, and comprises a conduit part with the tip positioned in a superior vena cava and an injection seat implanted under the skin, and the conduit part is a medical device.

The existing transfusion port is poor in the position fixing effect of a catheter after being implanted into a patient, the catheter is pulled to deviate from the position when the patient stretches the body easily, the safety is low, and the situation that liquid medicine in the catheter is not output conveniently is caused to occur.

Disclosure of Invention

The invention aims to provide implantable medical equipment with a safety protection function, which solves the problems that the position fixing effect of a catheter of the existing transfusion port is poor after the catheter is implanted into a patient, the catheter is easy to pull when the patient stretches the body to cause the position deviation of the catheter, the safety is low, and the situation that the liquid medicine in the catheter is not output easily is caused.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an implantable medical device with a safety protection function, which comprises a port seat assembly, wherein one side of the port seat assembly is fixedly connected with a communication seat, a lock catch is clamped inside the communication seat, a catheter assembly is fixedly connected inside the lock catch, an outer tube is sleeved on the surface of the catheter assembly, one end of the outer tube is fixedly connected with a tightening assembly, the other end of the outer tube is fixedly connected with a protection head assembly, and a guide wire assembly is inserted inside the outer tube.

Further, the port seat assembly comprises a port seat body, an injection groove is formed in the upper surface of the port seat body, a silica gel diaphragm is clamped inside the injection groove, and a silica gel base is fixedly connected to the lower surface of the port seat body.

Further, the catheter component comprises a catheter fixedly connected inside the lock catch, and one end of the catheter is fixedly connected with the liquid outlet head.

Further, the communicating base is fixedly connected to one side of the port base body, and the communicating base is communicated with the injection groove, so that the liquid medicine is introduced into the catheter through the communicating base after being injected into the port base body.

Further, tighten up the subassembly and include the screw base of fixed connection in outer tube one end, the surperficial threaded connection of screw base has the screw to support the cover, the screw supports the surface of cover and is provided with anti-skidding line.

Further, the protection head subassembly includes the bracing piece of fixed connection in the outer tube other end, the one end fixedly connected with conical head of bracing piece has promoted the smoothness nature of pipe when getting into to patient's vein, avoids the pipe to block to be difficult to get into intravenous suitable position, leads to personnel's work load to increase.

Further, the seal wire subassembly includes four stand pipes of fixed connection in screwed pipe seat and outer pipe inner wall, the inside of stand pipe is pegged graft and is had the seal wire, the one end fixedly connected with of seal wire pushes away the driving disk for it inwards removes simultaneously to drive four seal wires when pushing away the driving disk and removing.

Furthermore, the other end of the guide wire is fixedly connected to the inner wall of the conical head, the pushing disc is clamped inside the thread abutting sleeve, and the pushing disc is pushed to move when the thread abutting sleeve moves towards the thread pipe seat, so that the guide wire is pushed to move.

The invention has the following beneficial effects:

(1) Through the arranged tightening assembly, the guide wire assembly and the protective head assembly, the screw thread abutting sleeve is screwed on the screw thread tube seat, so that the pushing disc is driven to move towards the guide tube and push the guide wire to move to the conical head, and the guide wire is outwards expanded between the conical head and the outer tube, so that the conical head is fixed in a vein, the problem that the position of a catheter is moved due to the fact that the catheter is pulled when a patient moves in the prior art is solved, the situation that the position of the catheter is deviated and even blocked due to the fact that the position of the catheter is deviated is reduced, the safety of the implanted patient is improved, meanwhile, liquid medicine is dispersedly led into the blood of the patient through the liquid outlet head, and the fusion rate of the liquid medicine and the blood is improved;

(2) Include fixed connection in the inside pipe of hasp through the pipe subassembly, the one end fixedly connected with of pipe goes out the liquid head, a plurality of hole has been seted up on the surface of going out the liquid head, intercommunication seat fixed connection is in one side of harbor seat body, be linked together between intercommunication seat and the injection groove, make the liquid medicine through pouring into in the pipe back through going out the even outside discharge of the overhead hole of liquid, thereby the contact effect of liquid medicine and blood has been promoted, the rate of fusing has been promoted, personnel insert the syringe needle of outside injection part in the silica gel diaphragm and after the injection liquid medicine, the liquid medicine passes through the seat of communicating in with the pipe of the leading-in hasp inside of liquid medicine, thereby make the liquid medicine finally flow in go out the liquid head, and in the interior diffusion of inside outside blood of vein fuse, the condition that the liquid medicine fusion rate is low has been avoided.

Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the port assembly of the present invention shown disassembled;

FIG. 3 is a schematic, exploded view of a guidewire assembly of the present invention;

fig. 4 is a schematic view of the lock of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a port seat assembly; 101. a harbor seat body; 102. a silica gel membrane; 103. a silica gel base;

2. a communicating base;

3. locking;

4. a catheter assembly; 401. a conduit; 402. a liquid outlet head;

5. an outer tube;

6. a tightening assembly; 601. a threaded socket; 602. the screw thread abuts against the sleeve;

7. a protective head assembly; 701. a support bar; 702. a conical head;

8. a guidewire assembly; 801. a guide tube; 802. a guide wire; 803. the disc is pushed.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, the present invention is an implantable medical device with a safety protection function, including a port seat assembly 1, a communication seat 2 fixedly connected to one side of the port seat assembly 1, a latch 3 clamped inside the communication seat 2, a catheter assembly 4 fixedly connected inside the latch 3, an outer tube 5 sleeved on a surface of the catheter assembly 4, a tightening assembly 6 fixedly connected to one end of the outer tube 5, a protection head assembly 7 fixedly connected to the other end of the outer tube 5, and a guide wire assembly 8 inserted into the outer tube 5.

The port seat assembly 1 comprises a port seat body 101, an injection groove is formed in the upper surface of the port seat body 101, a silica gel diaphragm 102 is clamped inside the injection groove, and a silica gel base 103 is fixedly connected to the lower surface of the port seat body 101.

Wherein, as shown in fig. 1, when installed, a person may implant the device under the skin of a patient and access the protective head assembly 7 into the patient's vein and insert it through the needle of an external injection component into the silicone septum 102, thereby injecting the medical fluid through the catheter assembly 4 into the patient's vein.

Example 2

Referring to fig. 2 and 3, catheter assembly 4 is installed to increase the rate of fusion of the medical solution injected into the vein of the patient and to ensure the efficacy of the medical solution.

The method comprises the following specific steps: catheter subassembly 4 includes the inside pipe 401 of fixed connection in hasp 3, the one end fixedly connected with of pipe 401 goes out liquid head 402, a plurality of hole has been seted up on the surface of going out

liquid head

402, 2 fixed connection in one side of harbor seat body 101 of intercommunication seat, be linked together between intercommunication seat 2 and the injection groove, make the liquid medicine through pouring into in the pipe 401 back through the even outside discharge of hole on the liquid head 402, thereby the contact effect of liquid medicine and blood has been promoted, the personnel insert silica gel diaphragm 102 with the syringe needle of outside injection part in and after the injection liquid medicine, the liquid medicine is through in the pipe 401 of connecting seat 2 leading-in hasp 3 inside with the liquid medicine, thereby make the liquid medicine finally flow in going out liquid head 402, and in the inside outside blood diffusion fusion of vein, the condition that the liquid medicine fusion rate is low has been avoided.

Example 3

Referring to fig. 3, guide wire assembly 8 and tightening assembly 6 are mounted to fix the position of catheter 401 and to maintain smooth flow through the exit orifice of catheter 401.

Specifically, tightening component 6 includes threaded tube seat 601 of fixed connection in outer tube 5 one end, threaded tube seat 601's surperficial threaded connection has the screw to support set 602, the screw supports the surface that sets 602 and is provided with anti-skidding line, protection head subassembly 7 includes the bracing piece 701 of fixed connection in the outer tube 5 other end, the one end fixedly connected with conical head 702 of bracing piece 701, seal wire subassembly 8 includes four stand pipes 801 of fixed connection in threaded tube seat 601 and outer tube 5 inner wall, it has seal wire 802 to peg graft in stand pipe 801's inside, the one end fixedly connected with of seal wire 802 pushes away driving disk 803.

As shown in fig. 3, after the catheter 401 and the outer tube 5 are implanted into the patient, after the conical head 702 is in a proper position, the person pushes the thread support sleeve 602 inward to push the push plate 803 to move towards the guide tube 801, thereby pushing the guide wire 802 to move towards the other end of the guide tube 801, and rotates the thread support sleeve 602 after the thread support sleeve 602 is contacted with the threaded tube seat 601 to be fixed on the thread support sleeve 602, so that the guide wire 801 expands outward between the conical head 702 and the outer tube 5 to form an arc shape to be contacted with the venous duct, thereby achieving the effect of supporting the venous blood vessel and fixing the conical head 702 at the position, avoiding the situation that the catheter 401 is moved due to pulling the catheter 401 when the person moves, and simultaneously performing safety protection on the liquid outlet head 402 in the arc shape of the conical head 702 and the guide wire 801 to prevent the situation that the liquid outlet head 402 is contacted with the inner wall of the vein to cause blockage when the liquid outlet is discharged, thereby improving the smoothness when the liquid outlet and the safety when the liquid outlet is used.

The other end of the guide wire 802 is fixedly connected to the inner wall of the conical head 702, and the pushing disc 803 is clamped inside the screw abutting sleeve 602.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

Claims

1. An implantable medical device with safety protection, characterized in that: including port seat subassembly (1), one side fixedly connected with of port seat subassembly (1) communicates seat (2), the inside joint of communicating seat (2) has hasp (3), the inside fixedly connected with tubing assembly (4) of hasp (3), outer tube (5) have been cup jointed on the surface of tubing assembly (4), the one end fixedly connected with of outer tube (5) tightens up subassembly (6), the other end fixedly connected with of outer tube (5) protects first subassembly (7), the inside grafting of outer tube (5) has seal wire subassembly (8).

2. The implantable medical device with safety protection according to claim 1, wherein: the port seat assembly (1) comprises a port seat body (101), an injection groove is formed in the upper surface of the port seat body (101), a silica gel diaphragm (102) is clamped inside the injection groove, and a silica gel base (103) is fixedly connected to the lower surface of the port seat body (101).

3. The implantable medical device with safety protection as claimed in claim 1, wherein: the catheter component (4) comprises a catheter (401) fixedly connected to the inside of the lock catch (3), and one end of the catheter (401) is fixedly connected with a liquid outlet head (402).

4. The implantable medical device with safety protection according to claim 2, wherein: the communicating base (2) is fixedly connected to one side of the harbor base body (101), and the communicating base (2) is communicated with the injection groove.

5. The implantable medical device with safety protection according to claim 1, wherein: tightening assembly (6) is including fixed connection in screwed pipe seat (601) of outer tube (5) one end, the surperficial threaded connection of screwed pipe seat (601) has screw to push up cover (602).

6. The implantable medical device with safety protection as claimed in claim 5, wherein: the surface of the thread abutting sleeve (602) is provided with anti-skid threads.

7. The implantable medical device with safety protection as claimed in claim 1, wherein: the protection head assembly (7) comprises a supporting rod (701) fixedly connected to the other end of the outer pipe (5), and one end of the supporting rod (701) is fixedly connected with a conical head (702).

8. The implantable medical device with safety protection as claimed in claim 1, wherein: the guide wire assembly (8) comprises four guide tubes (801) fixedly connected to the threaded tube seat (601) and the inner wall of the outer tube (5).

9. The implantable medical device with safety protection according to claim 8, wherein: a guide wire (802) is inserted into the guide tube (801), and one end of the guide wire (802) is fixedly connected with a pushing disc (803).

10. The implantable medical device with safety protection as claimed in claim 9, wherein: the other end of seal wire (802) fixed connection is in the inner wall of cone head (702), push disc (803) joint is in the screw thread and is supported the inside of cover (602).