CN216294688U

CN216294688U - Disposable trocar

Info

Publication number: CN216294688U
Application number: CN202122143207.2U
Authority: CN
Inventors: 程肖芳
Original assignee: Shenzhen Hospital Of Beijing University Of Traditional Chinese Medicine Longgang
Current assignee: Shenzhen Hospital Of Beijing University Of Traditional Chinese Medicine Longgang
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-04-15
Anticipated expiration: 2031-09-06

Abstract

The utility model belongs to the technical field of trocars and discloses a disposable trocar which comprises an operating rod, wherein one end of the operating rod is fixedly connected with a connector, a limiting groove is formed in the connector, a first spring is fixedly connected in the limiting groove, one end of the first spring is fixedly connected with a push plate, a connecting plate is arranged on one side, close to the push plate, in the limiting groove, and an acupuncture needle is fixedly connected to one side, opposite to the push plate, of the connecting plate. According to the acupuncture needle replacing device, the connecting plate and the limiting plate are inserted into the limiting groove to rotate, the first spring is used for extruding and pushing the push plate, the connecting plate is extruded and pushed by the push plate, the limiting plate is abutted against the connector, so that the acupuncture needle is fixed, when the acupuncture needle needs to be replaced, the acupuncture needle can be replaced only by rotating the acupuncture needle, the device does not need to be replaced integrally, the acupuncture needle can be replaced independently, and the use cost is greatly reduced.

Description

Disposable trocar

Technical Field

The utility model belongs to the technical field of trocars, and particularly relates to a disposable trocar.

Background

The trocar is a novel therapeutic tool for putting the traditional acupuncture needle into a piston-type cannula; the sleeve is a special needle holder, is matched with a special acupuncture needle, stimulates and releases local muscles, and regulates the body function of viscera or a pathological change area through the conduction of nerves to achieve the purpose of treatment.

But the inconvenient acupunture needle of changing of trocar on the existing market, along with the increase of live time, the acupunture needle can wear and tear gradually, can only wholly change, can't change the acupunture needle alone, greatly increased use cost, and user operation acupunture needle removes the back, need the user manpower to fix the acupunture needle, can't stabilize the position of fixed acupunture needle, greatly increased the operation degree of difficulty of device, user's work efficiency has been reduced, difficult operation, difficult judgement acupunture needle gets into human degree of depth.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a disposable trocar, which solves the problems of the prior art that the needle cannot be replaced independently and the device is difficult to operate.

In order to achieve the purpose, the utility model provides the following technical scheme: a disposable trocar comprises an operating rod, wherein one end of the operating rod is fixedly connected with a connector, a limiting groove is formed in the connector, a first spring is fixedly connected in the limiting groove, and one end of the first spring is fixedly connected with a push plate;

the limiting groove is internally provided with a connecting plate close to one side of the push plate, the connecting plate is back on to one side of the push plate and is fixedly connected with acupuncture needles, and the limiting plates are arranged on two sides of the connecting plate adjacent to the acupuncture needles.

Preferably, the operating rod is sleeved with a threaded head, the inside of the threaded head is screwed with a threaded pipe, one side of the threaded pipe is fixedly connected with a transparent shell, and one end of the transparent shell is fixedly connected with a limiting head.

Preferably, both sides of the limiting head inside, which are close to the acupuncture needle, are rotatably connected with limiting rods, and second springs are installed between the inner walls of the limiting heads and the limiting rods.

Preferably, a rubber pad is arranged on one side of the limiting rod close to the acupuncture needle.

Preferably, the outer wall of the screw head forms an anti-slip ridge.

Preferably, the longitudinal sections of the connecting plate and the push plate are both circular, and the diameter of the connecting plate is smaller than that of the push plate.

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

(1) according to the acupuncture needle replacing device, the connecting plate and the limiting plate are inserted into the limiting groove to rotate, the first spring is used for extruding and pushing the push plate, the connecting plate is extruded and pushed by the push plate, the limiting plate is abutted against the connector, so that the acupuncture needle is fixed, when the acupuncture needle needs to be replaced, the acupuncture needle can be replaced only by rotating the acupuncture needle, the device does not need to be replaced integrally, the acupuncture needle can be replaced independently, and the use cost is greatly reduced.

(2) According to the utility model, the limiting rod is pulled by the second spring to rotate around the limiting head, the limiting rod props against the acupuncture needle through the limiting rod, and after the acupuncture needle moves, the acupuncture needle is not required to be fixed by a user manually, so that the position of the acupuncture needle can be stably fixed, the operation difficulty of the device is greatly reduced, and the working efficiency of the user is improved.

(3) The operating rod is provided with the scale marks, so that the operating rod can clearly observe the scale marks on the operating rod through the transparent shell, the depth of the acupuncture needle entering the human body can be judged, and the operation is convenient.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a front view of the lever of the present invention;

FIG. 4 is a front view of the transparent housing of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 2;

FIG. 6 is an enlarged view of portion B of FIG. 2;

FIG. 7 is an internal structure view of the connector of the present invention;

FIG. 8 is a side view of the web of the present invention;

in the figure: 1. an operating lever; 2. a screw head; 3. a transparent housing; 4. a limiting head; 5. an acupuncture needle; 6. a solenoid; 7. a connector; 8. a first spring; 9. a connecting plate; 10. a limiting plate; 11. pushing the plate; 12. a limiting groove; 13. a rubber pad; 14. a second spring; 15. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-8, the present invention provides the following technical solutions: a disposable trocar comprises an operating rod 1, wherein the operating rod 1 is provided with scale marks, one end of the operating rod 1 is fixedly connected with a connector 7, a limiting groove 12 is formed in the connector 7, a first spring 8 is fixedly connected in the limiting groove 12, and one end of the first spring 8 is fixedly connected with a push plate 11;

connecting plate 9 is installed to one side that spacing groove 12 is inside to be close to push pedal 11, connecting plate 9 carries on the back in one side fixedly connected with acupuncture needle 5 of push pedal 11, acupuncture needle 5 accords with "sharp needle" standard, and limiting plate 10 is all installed adjacent to the both sides of acupuncture needle 5 to connecting plate 9, insert connecting plate 9 and limiting plate 10 and rotate in the inside spacing groove 12 of connector 7, promote push pedal 11 extrusion through first spring 8, support connecting plate 9 through push pedal 11, make limiting plate 10 support connector 7, thereby let acupuncture needle 5 be fixed in inside connector 7.

Further, the cover is equipped with the first 2 of screw thread on the action bars 1, and the inside of the first 2 of screw thread closes soon and is connected with the screwed pipe 6, and one side fixedly connected with transparent shell 3 of screwed pipe 6, the one end fixed connection of transparent shell 3 has stopper 4, inserts action bars 1 to transparent shell 3 inside, rotates the first 2 of screw thread, makes the first 2 of screw thread close soon with screwed pipe 6 and is connected, through pulling action bars 1, makes action bars 1 move in transparent shell 3 is inside.

Further, the inside both sides that are close to acupuncture needle 5 of spacing head 4 all rotate and are connected with gag lever post 15, and install second spring 14 between spacing head 4 inner wall and the gag lever post 15, through second spring 14 pulling gag lever post 15, make gag lever post 15 support acupuncture needle 5, let acupuncture needle 5 remove more firm behind the position that the user needs.

Further, a rubber pad 13 is installed on one side of the limiting rod 15 close to the acupuncture needle 5, and the limiting rod 15 is more stable when abutting against the acupuncture needle 5 through the rubber pad 13.

Further, the outer wall of the screw head 2 forms an anti-slip convex pattern, and the screw head 2 is convenient to rotate through the anti-slip convex pattern.

Furthermore, the longitudinal sections of the connecting plate 9 and the push plate 11 are circular, the diameter of the connecting plate 9 is smaller than that of the push plate 11, and the connecting plate 9 can be pushed conveniently by the push plate 11 with a larger diameter.

The working principle and the using process of the utility model are as follows: when the utility model is used, the connecting plate 9 is inserted into the limiting groove 12 inside the connector 7 to rotate, the push plate 11 is extruded and pushed through the first spring 8, the push plate 11 is abutted against the connecting plate 9, the limiting plate 10 is abutted against the connector 7, so that the acupuncture needle 5 is fixed inside the connector 7, the operating rod 1 is inserted into the transparent shell 3, the thread head 2 is rotated to be screwed with the screwed pipe 6, the device is aligned to the position needing acupuncture, the operating rod 1 is pulled to drive the connector 7 to move through the operating rod 1, the acupuncture needle 5 is driven to move through the connector 7, the acupuncture needle 5 stimulates the acupuncture point of a patient, after the acupuncture needle 5 is moved to the position needed by the user, the limiting rod 15 is pulled through the second spring 14 to be abutted against the acupuncture needle 5, when the acupuncture needle 5 needs to be replaced, the thread head 2 is rotated to separate the thread head 2 from the transparent shell 3, pulling action bars 1, make action bars 1 remove to the 3 outsides of transparent shell, rotate acupuncture needle 5, can take out the serious acupuncture needle 5 of wearing and tearing, insert intact acupuncture needle 5 through connecting plate 9 and rotate in the inside spacing groove 12 of connector 7, push pedal 11 extrusion promotion through first spring 8, make push pedal 11 support connecting plate 9, let limiting plate 10 support connector 7, thereby let acupuncture needle 5 be fixed in inside connector 7, can accomplish the change of acupuncture needle 5.

It is noted that, herein, relational terms such as first and second, and the like may be 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 changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A single use trocar, comprising: the device comprises an operating rod (1), wherein one end of the operating rod (1) is fixedly connected with a connector (7), a limiting groove (12) is formed in the connector (7), a first spring (8) is fixedly connected in the limiting groove (12), and one end of the first spring (8) is fixedly connected with a push plate (11);

connecting plate (9) are installed to inside one side that is close to push pedal (11) of spacing groove (12), one side fixedly connected with acupuncture needle (5) of push pedal (11) are carried on the back in connecting plate (9), and limiting plate (10) are all installed to connecting plate (9) both sides adjacent to acupuncture needle (5).

2. A single use trocar as recited in claim 1, wherein: the utility model discloses a screw thread machine, including action bars, be equipped with screw thread head (2) on action bars (1), the inside of screw thread head (2) closes soon and is connected with solenoid (6), one side fixedly connected with transparent shell (3) of solenoid (6), the one end fixed connection of transparent shell (3) has spacing head (4).

3. A single use trocar as claimed in claim 2, wherein: both sides of the interior of the limiting head (4) close to the acupuncture needle (5) are rotatably connected with limiting rods (15), and second springs (14) are arranged between the inner wall of the limiting head (4) and the limiting rods (15).

4. A single use trocar as claimed in claim 3, wherein: one side of the limiting rod (15) close to the acupuncture needle (5) is provided with a rubber pad (13).

5. A single use trocar as claimed in claim 2, wherein: the outer wall of the thread head (2) forms an anti-skid convex pattern.

6. A single use trocar as recited in claim 1, wherein: the longitudinal sections of the connecting plate (9) and the push plate (11) are both circular, and the diameter of the connecting plate (9) is smaller than that of the push plate (11).