CN217612295U

CN217612295U - Special needle of implanted device of dosing

Info

Publication number: CN217612295U
Application number: CN202220225179.0U
Authority: CN
Inventors: 季邦菊
Original assignee: Shaoxing Peoples Hospital
Current assignee: Shaoxing Peoples Hospital
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-10-21
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a special needle of implanted device of dosing, including first protection casing, second protection casing, third protection casing and pjncture needle, the inner wall top fixedly connected with fixing base of first protection casing, the upper end fixedly connected with transfer line of pjncture needle, the side surface fixed mounting of transfer line has the check valve. The utility model discloses a rotate first protection casing and second protection casing and make first protection casing, second protection casing and third protection casing are in tensile state, make the pjncture needle return during the needle is pulled out in the third protection casing, cause the stabbing condition when preventing medical personnel from pulling out the needle, avoid the different blood of pjncture needle contact to cause the infection condition, it is fixed with human skin through the fixed application of hydrocolloid, fixed area can not throw off greatly and the fixed application of hydrocolloid is nutritious, skin allergy when avoiding using, carry out isolated protection with acupuncture position and external world through the third protection casing, prevent that puncture department from exposing and causing the infection condition in the air.

Description

Special needle of implanted device of dosing

Technical Field

The utility model relates to the technical field of medical equipment, specifically a special needle of implanted device of dosing.

Background

The port is a closed infusion device completely implanted in a human body and is divided into three parts: an atraumatic needle, a catheter to be placed into a vein, an injection seat (port) buried under the skin and connected with an infusion needle. The injection seat is connected with a catheter inserted into a large vein to form a long-term vascular access, and plays a role similar to a port, so that the injection seat is called as an infusion port, and the injection seat is needled through a nondestructive needle connecting infusion tube to feed liquid medicine into a vein of a human body.

But medical personnel appear the acupuncture injury easily when pulling out the needle, are wounded by the puncture needle and make patient's blood enter into medical personnel's blood through the position of stabbing, cause the disease to propagate easily, and it is fixed that the not damaged needle passes through medical sticky tape bonding skin mostly after the acupuncture is accomplished, and fixed effect is not good and the patient is allergic easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special needle of implanted device of dosing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special needle of implanted device of dosing, includes first protection casing, second protection casing, third protection casing and pjncture needle, the inner wall top fixedly connected with fixing base of first protection casing, the upper end fixedly connected with transfer line of pjncture needle, the side surface fixed mounting of transfer line has the check valve, first protection casing activity joint is at the inner wall of second protection casing, second protection casing swing joint is at the inner wall of third protection casing, the lower extreme fixedly connected with unable adjustment base of third protection casing, unable adjustment base's last fixed surface is connected with hydrocolloid fixed application, two blocks of fixing of the equal fixedly connected with of lower extreme side surface of first protection casing and second protection casing.

As a preferred scheme of the utility model, two movable grooves have not been seted up equally to the inner wall of second protection casing and third protection casing, card piece swing joint is at the inner wall in movable groove.

As a preferred scheme of the utility model, the spacing groove has not been seted up equally to the both ends in activity groove, and the external diameter of card piece and the internal diameter size looks adaptation of spacing groove, activity groove and spacing groove are linked together.

As an optimal scheme of the utility model, the fixed top that runs through fixing base and first protection casing and extend to first protection casing in upper end of pjncture needle, the lower extreme of pjncture needle is the tip structure, the pjncture needle is made through medical grade stainless steel material.

As an optimal scheme of the utility model, the external diameter of first protection casing and the internal diameter size looks adaptation of second protection casing, the external diameter of second protection casing and the internal diameter size looks adaptation of third protection casing, first protection casing, second protection casing and third protection casing all make through the medical grade plastics of PET, unable adjustment base makes through medical grade silica gel material.

As the utility model discloses a preferred scheme, the fixed lower surface of applying ointment or plaster of hydrocolloid bonds and has hydrocolloid to apply ointment or plaster from type paper, the fixed outer loop diameter of applying ointment or plaster of hydrocolloid is four of unable adjustment base outer loop diameter, unable adjustment base's outer loop diameter is two times of third protecting cover internal diameter, unable adjustment base's outer loop diameter is two points five times of infusion harbor body diameter.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a rotate first protection casing and second protection casing in proper order and make first protection casing, second protection casing and third protection casing be in tensile state, make the pjncture needle retract in the third protection casing when pulling out the needle, prevent to cause the stabbing condition when medical personnel pull out the needle, avoid the blood that the pjncture needle contact is different to cause the infection condition, fix with human skin through hydrocolloid fixed application, the fixed area can not throw off greatly and hydrocolloid fixed application has nutrition, skin allergy when avoiding using, isolate the acupuncture position with the external world through the third protection casing and protect, prevent that the puncture department from exposing in the air and causing the infection condition;

2. the utility model discloses still fix the puncture needle through the fixing base simultaneously, improved the stability that puncture needle upper end and first protection casing are connected through the fixing base, askew situation appears in the puncture needle when preventing to carry out the acupuncture, avoids causing the acupuncture inaccurate, and the check valve has been installed to the side surface of transfer line for the liquid medicine can one-way enter into the patient vein, prevents the blood reflux.

Drawings

FIG. 1 is a front sectional view of a needle for an implantable drug delivery device of the present invention;

FIG. 2 is a schematic view of the structure of a needle moving groove and a limiting groove dedicated to the implantable drug delivery device of the present invention;

FIG. 3 is a top view of a needle dedicated to an implantable drug delivery device of the present invention;

fig. 4 is a schematic structural view of the needle locking block dedicated for the implantable drug delivery device of the present invention.

In the figure: 1. a first shield; 2. a second shield; 3. a third prevention cover; 4. a fixed base; 5. hydrocolloid fixing application; 6. puncturing needles; 7. a fixed seat; 8. a transfusion tube; 9. a one-way valve; 10. a movable groove; 11. a clamping block; 12. a limiting groove; 13. hydrocolloid is applied to release paper.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a special needle of implanted device of dosing, including first protection casing 1, second protection casing 2, third protection casing 3 and pjncture needle 6, the inner wall top fixed mounting of first protection casing 1 has fixing base 7, improve the stability that pjncture needle 6 and first protection casing 1 are connected through fixing base 7, the condition of rocking appears at pjncture needle 6 lower extreme when preventing to carry out the acupuncture, the upper end fixed mounting of pjncture needle 6 has transfer line 8, transfer line 8's side surface fixed mounting has check valve 9, check valve 9 can select medical check valve or medical silica gel check valve, its effect is the condition that appears blood backward flow when preventing to dose, 1 movable joint of first protection casing is at the inner wall of

second protection casing

2, 2 movable joint of second protection casing is at the inner wall of third protection casing 3, the lower extreme fixed mounting of third protection casing 3 has unable adjustment base 4, unable adjustment base 4's last fixed mounting has hydrocolloid fixed application 5, can bond unable adjustment base 4 with human skin fixedly through hydrocolloid fixed application 5, and then fixed puncture needle 6, the equal fixed mounting of lower extreme side surface of first protection casing 1 and second protection casing 2 has two blocks 11.

Specifically, two movable grooves 10 have been seted up respectively to the inner wall of second protection casing 2 and third protection casing 3 equally, and 11 swing joint of card fixed piece make first protection casing 1, second protection casing 2 and third protection casing 3 can block each other when gliding from top to bottom each other through the card fixed piece 11 at the inner wall of movable groove 10, prevent that it breaks away from each other.

Specifically, limiting grooves 12 are respectively formed in two ends of the movable groove 10, the outer diameter of the clamping block 11 is matched with the inner diameter of the limiting grooves 12 in size, the movable groove 10 is communicated with the limiting grooves 12, the clamping block 11 can be prevented from continuously sliding up and down by sliding the clamping block 11 into the limiting grooves 12, the relative positions of the first protective cover 1, the second protective cover 2 and the third protective cover 3 are further fixed, and the puncture needle 6 is prevented from being separated from the transfusion port.

Specifically, the upper end of the puncture needle 6 is fixedly penetrated through the fixed seat 7 and the first protective cover 1 and extends to the upper side of the first protective cover 1, liquid medicine is provided for the puncture needle 6 through the infusion tube 8 above, the lower end of the puncture needle 6 is of a pointed end structure, pain and trauma of a patient during puncture are reduced, the puncture needle 6 is made of medical-grade stainless steel materials, medical standards are met, and the puncture needle has the characteristics of safety, no toxicity and the like.

Concretely, the external diameter of first protection casing 1 and the internal diameter size looks adaptation of second protection casing 2, the external diameter of second protection casing 2 and the internal diameter size looks adaptation of third protection casing 3, make things convenient for first protection casing 1, second protection casing 2 and third protection casing 3 slide from top to bottom each other, be convenient for pierce human skin with pjncture needle 6 in, first protection casing 1, second protection casing 2 and third protection casing 3 all make through the medical grade plastics of PET, the security is high, unable adjustment base 4 is made through medical grade silica gel material, elasticity has, can closely laminate human skin surface.

Concretely, the lower surface of hydrocolloid fixed application 5 bonds and has hydrocolloid to apply ointment or plaster from type paper 13, contain aqueous nutrient substance in the fixed application 5 of hydrocolloid, and can not cause patient's skin allergy, tear hydrocolloid application from type paper 13 can bond fixed application 5 of hydrocolloid with human skin fixedly, the outer loop diameter of hydrocolloid fixed application 5 is the quadruple of unable adjustment base 4 outer ring diameter, the area that bonds is big, fixed effectual, unable adjustment base 4's outer loop diameter is twice of third protection casing 3 internal diameter, make unable adjustment base 4 big with the area of contact on human surface, the improvement is to third protection casing 3's supporting effect, unable adjustment base 4's outer loop diameter is the two points fivefold of infusion harbor body diameter, infusion harbor body diameter is less than third protection casing 3, make third protection casing 3 can cover the infusion harbor body inside third protection casing 3, prevent that the slippage condition from appearing in the infusion harbor body and cause the slippage 6 to appear and shift.

The working principle is as follows: when in use, the utility model firstly compresses the first protective cover 1, the second protective cover 2 and the third protective cover 3 together, the hydrocolloid fixed application 5 is adhered to the skin surface of a patient for fixation by placing the fixed base 4 and the puncture needle 6 at the appointed position and puncturing, the puncture needle 6 is successfully fixed by puncturing, the hydrocolloid application release paper 13 on the lower surface of the hydrocolloid fixed application 5 is torn off, the hydrocolloid fixed application 5 has large area, strong viscosity and firm adhesion, the fixed base 4 fixes the harbor body part in the base range, the puncture needle 6 is prevented from slipping and shifting, the liquid medicine is input into the puncture needle 6 through the infusion tube 8, and is led into the vein of the patient through the puncture needle 6, and the liquid medicine can enter the vein of the patient in one way through the one-way valve 9 on the side surface of the infusion tube 8, prevent the blood backward flow, end the treatment, remove the special needle of infusion set, uncover earlier that hydrocolloid is fixed applies ointment or plaster 5, then fix a base 4 on one hand, another hand rotates first protection casing 1 and second protection casing 2 in proper order and makes the card decide piece 11 upwards slide to activity groove 10 upper end counter rotation first protection casing 1 and second protection casing 2 in sliding into spacing groove 12 in the activity groove 10, make card decide piece 11 slide to block again in spacing groove 12, make first protection casing 1, second protection casing 2 and third protection casing 3 be in tensile state, make pjncture needle 6 retract in third protection casing 3, wrap up the needle point of penetrating needle 6 lower extreme through third protection casing 3, cause the stab condition when preventing medical personnel from pulling out the needle, prevent that pjncture needle 6 from contacting different blood and causing the infection condition.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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.

Claims

1. The utility model provides a special needle of implanted device of dosing, includes first protection casing (1), second protection casing (2), third protection casing (3) and pjncture needle (6), its characterized in that: the utility model discloses a safety protection cover, including the inner wall top fixedly connected with fixing base (7) of first protection casing (1), the upper end fixedly connected with transfer line (8) of pjncture needle (6), the side surface fixed mounting of transfer line (8) has check valve (9), first protection casing (1) activity joint is at the inner wall of second protection casing (2), the inner wall at third protection casing (3) is even blocked in second protection casing (2) activity, the lower extreme fixedly connected with unable adjustment base (4) of third protection casing (3), the last fixed surface fixedly connected with hydrocolloid of unable adjustment base (4) is fixed applying ointment or plaster (5), two card fixed block (11) of the equal fixedly connected with in lower extreme side surface of first protection casing (1) and second protection casing (2).

2. The needle specific to an implantable drug delivery device of claim 1, wherein: two movable grooves (10) are respectively seted up to the inner wall of second protection casing (2) and third protection casing (3), block (11) swing joint is at the inner wall in movable groove (10).

3. The needle specific to an implantable drug delivery device of claim 2, wherein: limiting grooves (12) are respectively formed in the two ends of the movable groove (10), the outer diameter of the clamping block (11) is matched with the inner diameter of the limiting groove (12), and the movable groove (10) is communicated with the limiting groove (12).

4. The needle specific to an implantable drug delivery device of claim 1, wherein: the upper end of pjncture needle (6) is fixed to run through fixing base (7) and first protection casing (1) and extends to the top of first protection casing (1), the lower extreme of pjncture needle (6) is the tip structure, pjncture needle (6) are made through medical grade stainless steel material.

5. The needle specific to an implantable drug delivery device of claim 1, wherein: the utility model discloses a safety protection cover, including first protection casing (1), the external diameter of first protection casing (1) and the internal diameter size looks adaptation of second protection casing (2), the external diameter of second protection casing (2) and the internal diameter size looks adaptation of third protection casing (3), first protection casing (1), second protection casing (2) and third protection casing (3) all make through the medical grade plastics of PET, unable adjustment base (4) are made through medical grade silica gel material.

6. The needle specific to an implantable drug delivery device of claim 1, wherein: the lower surface of the hydrocolloid fixing application plaster (5) is adhered with a hydrocolloid application release paper (13), the diameter of the outer ring of the hydrocolloid fixing application plaster (5) is four times that of the outer ring of the fixing base (4), the diameter of the outer ring of the fixing base (4) is twice that of the inner diameter of the third protection cover (3), and the diameter of the outer ring of the fixing base (4) is two-point five times that of the infusion port body.