CN115429968B

CN115429968B - Implantable medical device with safety protection function

Info

Publication number: CN115429968B
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: 2023-05-09
Anticipated expiration: 2042-09-14
Also published as: CN115429968A; WO2024055706A1

Abstract

The invention discloses implantable medical equipment with a safety protection function, and relates to the technical field of medical equipment. The port seat assembly 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 in the communication seat, a catheter assembly is fixedly connected in the lock catch, an outer tube is sleeved on the surface of the catheter assembly, and one end of the outer tube is fixedly connected with a tightening assembly. According to the invention, through the tightening assembly, the guide wire assembly and the protective head assembly, the screw thread propping 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 conical head 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 the guide tube is moved due to pulling of the guide tube when a patient moves in the prior art is solved, the situation that the position of the guide tube deviates from the drug showing position and is even blocked is reduced, and the safety after the guide tube is implanted into the patient is improved.

Description

Implantable medical device with safety protection function

Technical Field

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

Background

Implantable medical treatment includes the fixation of a common steel plate, and mainly refers to the implantation of a chip or other tiny objects in a human body, such as an infusion port, which is a closed infusion device completely implanted in the human body, and comprises a catheter part with a tip positioned in an superior vena cava and an injection seat implanted under the skin, and is a medical instrument.

The existing transfusion port has poor fixing effect on the position of the catheter after being implanted into a patient, is easy to cause the situation that the catheter is pulled to cause the position deviation of the catheter when the patient stretches the body, has lower safety, and simultaneously causes the situation that the output of liquid medicine in the catheter is unfavorable, so that the implanted medical device with the safety protection function is provided.

Disclosure of Invention

The invention aims to provide an implantable medical device with a safety protection function, which solves the problems that the prior transfusion port has poor fixing effect on the position of a catheter after being implanted into a patient, the position of the catheter is easily deviated when the catheter is pulled when the patient stretches the body, the safety is low, and the output of liquid medicine in the catheter is unfavorable.

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

the invention relates to implantable medical equipment 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, the inside of the communication seat is clamped with a lock catch, the inside of the lock catch is fixedly connected with a catheter assembly, the surface of the catheter assembly is sheathed with an outer tube, 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 protective head assembly, and the inside of the outer tube is sheathed with a guide wire assembly.

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 in the injection groove, and a silica gel base is fixedly connected to the lower surface of the port seat body.

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

Further, the communicating seat is fixedly connected to one side of the port seat body, and the communicating seat is communicated with the injection groove, so that after the port seat body is filled with the liquid medicine, the liquid medicine is led into the catheter through the communicating seat.

Further, the tightening assembly comprises a threaded tube seat fixedly connected to one end of the outer tube, a threaded abutting sleeve is connected to the surface of the threaded tube seat in a threaded mode, and anti-slip threads are arranged on the surface of the threaded abutting sleeve.

Further, the protection head assembly comprises a supporting rod fixedly connected to the other end of the outer tube, one end of the supporting rod is fixedly connected with a conical head, smoothness of the catheter when the catheter enters into a vein of a patient is improved, the situation that the catheter is blocked and is difficult to enter into a proper position in the vein is avoided, and accordingly workload of personnel is increased.

Further, the guide wire assembly comprises four guide pipes fixedly connected to the threaded pipe seat and the inner wall of the outer pipe, guide wires are inserted into the guide pipes, one end of each guide wire is fixedly connected with a pushing disc, and the four guide wires are driven to move inwards simultaneously when the pushing disc moves.

Further, the other end of the guide wire is fixedly connected to the inner wall of the conical head, and the pushing disc is clamped in the threaded propping sleeve, so that the pushing disc is pushed to move when the threaded propping sleeve moves towards the threaded tube seat, and the guide wire is pushed to move.

The invention has the following beneficial effects:

(1) The tightening assembly, the guide wire assembly and the protective head assembly are arranged, so that the screw thread propping sleeve is screwed onto the screw thread tube seat, the pushing disc is driven to move towards the guide tube, the guide wire is pushed to move to the conical head, and the conical head 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 the guide tube is moved due to the pulling of the guide tube when a patient moves in the prior art is solved, the situation that the position of the guide tube is deviated from the drug showing position and is even blocked is reduced, the safety after the injection into the patient is improved, and meanwhile, the liquid medicine is led into the blood of the patient in a scattered manner through the liquid outlet head, and the fusion rate of the liquid medicine and the blood is improved;

(2) Through the pipe subassembly including fixed connection in the inside pipe of hasp, 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 evenly outwards discharge through going out the overhead hole of liquid after through the injection pipe in, thereby promoted the contact effect of liquid medicine and blood, the rate of fusion 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 is through the intercommunication seat with the inside pipe of liquid medicine introduction hasp, thereby make the liquid medicine finally flow into out in the liquid head, and diffusion fuses in the outside blood in the vein, the condition that the liquid medicine fusion rate is low has been avoided.

Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above 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 will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view showing the split structure of the port seat assembly according to the present invention;

FIG. 3 is a schematic view of a guidewire assembly according to the present invention in a disassembled configuration;

fig. 4 is a schematic view illustrating the structure of the latch according to the present invention.

In the drawings, the list of components represented by the various numbers is as follows:

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

2. a communication seat;

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 tube seat; 602. the thread is abutted;

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

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

Detailed Description

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

The technical solutions 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 made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

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

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 in 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 the device is installed, a person can implant the device under the skin of a patient, and the protective head assembly 7 is connected into the vein of the patient, and the needle of the external injection component is inserted into the silica gel diaphragm 102, so that the liquid medicine is injected into the vein of the patient through the catheter assembly 4.

Example 2

Referring to fig. 2 and 3, in order to improve the fusion rate of the drug solution after being injected into the vein of the patient, the drug effect of the drug solution is ensured, thereby installing the catheter assembly 4.

The method comprises the following steps: the catheter assembly 4 comprises a catheter 401 fixedly connected to the inside of the lock catch 3, one end of the catheter 401 is fixedly connected with a liquid outlet head 402, a plurality of holes are formed in the surface of the liquid outlet head 402, the communication seat 2 is fixedly connected to one side of the port seat body 101, and the communication seat 2 is communicated with the injection groove, so that liquid medicine is uniformly discharged outwards through the holes in the liquid outlet head 402 after being injected into the catheter 401, the contact effect of the liquid medicine and blood is improved, the fusion rate is improved, a person inserts a needle head of an external injection part into the silica gel diaphragm 102 and injects the liquid medicine, the liquid medicine is led into the catheter 401 inside the lock catch 3 through the communication seat 2, the liquid medicine finally flows into the liquid outlet head 402, and the liquid medicine is diffused and fused in the vein to the external blood, and the condition of low fusion rate of the liquid medicine is avoided.

Example 3

Referring to fig. 3, in order to fix the position of the catheter 401 and keep the fluid flowing through the fluid outlet of the catheter 401 smooth, the guide wire assembly 8 and the tightening assembly 6 are mounted.

Specifically, tightening assembly 6 includes threaded tube seat 601 of fixed connection in outer tube 5 one end, threaded tube seat 601's surface threaded connection has screw thread to support cover 602, screw thread supports the surface of cover 602 and is provided with the 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, guide wire subassembly 8 includes four stand pipes 801 of fixed connection in threaded tube seat 601 and outer tube 5 inner wall, the inside grafting of stand pipe 801 has guide wire 802, the one end fixedly connected with pushing disc 803 of guide wire 802.

As shown in fig. 3, after the catheter 401 and the outer tube 5 are implanted into a patient, after the tapered head 702 is at a proper position, a person pushes the threaded abutment 602 inwards to push the push disc 803 to move towards the guide tube 801, so that the guide wire 802 is pushed to move towards the other end of the guide tube 801, and after the threaded abutment 602 contacts with the threaded tube seat 601, the threaded abutment 602 is rotated to be fixed on the threaded abutment 602, so that the guide wire 801 expands outwards between the tapered head 702 and the outer tube 5 to form arc-shaped contact with a venous line, the effect of abutting against the venous line and fixing the tapered head 702 at the position is achieved, the catheter 401 is prevented from being pulled by the person when the person moves, meanwhile, the liquid outlet head 402 is prevented from moving in an arc-shaped state when the tapered head 702 is used for discharging liquid medicine outwards, blocking caused by contact with the inner wall of the vein is prevented, and smoothness and safety when the liquid medicine is discharged are improved.

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 threaded abutment 602.

In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, 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 explicitly specified and limited otherwise, 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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 adaptations, 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 within 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 function, characterized in that: the port seat assembly comprises a port seat assembly (1), one side of the port seat assembly (1) is fixedly connected with a communication seat (2), a lock catch (3) is clamped in the communication seat (2), a catheter assembly (4) is fixedly connected in the lock catch (3), an outer tube (5) is sleeved on the surface of the catheter assembly (4), one end of the outer tube (5) is fixedly connected with a tightening assembly (6), the other end of the outer tube (5) is fixedly connected with a protective head assembly (7), and a guide wire assembly (8) is inserted in the outer tube (5);

the tightening assembly (6) comprises a threaded tube seat (601) fixedly connected to one end of the outer tube (5), and a threaded abutting sleeve (602) is connected to the surface of the threaded tube seat (601) in a threaded manner;

the protective head assembly (7) comprises a supporting rod (701) fixedly connected to the other end of the outer tube (5), and one end of the supporting rod (701) is fixedly connected with a conical head (702);

the guide wire assembly (8) comprises four guide pipes (801) fixedly connected to the threaded pipe seat (601) and the inner wall of the outer pipe (5);

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);

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 in the threaded abutting sleeve (602).

2. An implantable medical device with safety protection function 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 in the injection groove, and a silica gel base (103) is fixedly connected to the lower surface of the port seat body (101).

3. An implantable medical device with safety protection function according to claim 1, wherein: the catheter assembly (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. An implantable medical device with safety protection function according to claim 1, wherein: the connecting seat (2) is fixedly connected to one side of the port seat body (101), and the connecting seat (2) is communicated with the injection groove.

5. An implantable medical device with safety protection function according to claim 1, wherein: the surface of the thread propping sleeve (602) is provided with anti-skid threads.