CN219354102U

CN219354102U - Puncture introducer convenient for replacing puncture rod

Info

Publication number: CN219354102U
Application number: CN202223287790.5U
Authority: CN
Inventors: 是浩群
Original assignee: Changzhou Haida Medical Equipment Co ltd
Current assignee: Changzhou Haida Medical Equipment Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-07-18
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to the technical field of puncture importers, in particular to a puncture importer convenient for replacing a puncture rod, which comprises a sleeve mechanism and a puncture rod, wherein the sleeve mechanism comprises a top cap and a puncture sleeve, the bottom of the top cap is provided with an installation table, the puncture sleeve is installed at the bottom end of the installation table, one side of the installation table is provided with an air inlet pipe, the puncture rod is installed on a thread groove of a fixed rod, a connecting rod of the puncture rod is connected with the thread groove by utilizing threads, after the puncture rod is installed, a clamping rod on a button is inserted into the fixed groove to limit the puncture rod, the puncture rod is prevented from rotating, when the puncture rod is disassembled, the button is moved upwards, the clamping rod is separated from the fixed groove, the rotation cap is limited by a manual pressing mode, and the puncture rod is rotated to be disassembled, so that the disassembly structure of the puncture rod is simpler and more convenient, the puncture rod is disassembled quickly, and the influence on operations caused by mistakes is avoided.

Description

Puncture introducer convenient for replacing puncture rod

Technical Field

The utility model relates to the technical field of puncture importers, in particular to a puncture importer convenient for replacing a puncture rod.

Background

It is known that in order to form a wound on the surface of skin in a medical operation, a puncture rod is used to penetrate through a puncture introducer, a puncture tube penetrating through the puncture introducer reaches the skin, then the puncture rod is pulled out to inflate the wound to facilitate the operation.

The puncture rod in the puncture introducer is usually a disposable instrument, when the puncture work is finished, the puncture rod needs to be disassembled and then recovered, when the operation is performed, the puncture equipment also needs to be disassembled and then externally connected with gas transmission equipment to charge the wound hole, if the mounting structure of the puncture rod is too complex, the disassembly and the rotation of the puncture rod are inconvenient, more time is wasted in the operation process, and the operation is influenced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a puncture introducer which is convenient for replacing a puncture rod.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model discloses a puncture introducer convenient for replacing a puncture rod, which comprises a sleeve mechanism and the puncture rod, wherein the sleeve mechanism comprises a top cap and a puncture sleeve, the bottom of the top cap is provided with an installation table, the puncture sleeve is installed at the bottom end of the installation table, one side of the installation table is provided with an air inlet pipe, the inner cavity of the installation table is communicated with the puncture sleeve, the air inlet pipe and the inner cavity of the top cap, the air inlet pipe is provided with an air vent valve, the puncture rod is provided with a puncture head and a fixed groove, the top of the top cap is provided with a sliding screw mechanism, the sliding screw mechanism is provided with a fixed rod, the bottom of the fixed rod is provided with a thread groove, the top of the puncture rod is provided with a connecting rod, the connecting rod is connected with the thread groove through threads, the top of the fixed groove is communicated with the top of the puncture rod, the top end of the inner cavity of the top cap is provided with a compression spring, two sides of the top cap are provided with slide ways which are matched with the compression spring, the slide way is provided with a button, the bottom of the button is provided with a clamping rod, the clamping rod is fixedly connected with the compression spring, and the clamping rod is inserted into the fixed rod through the fixed insertion groove.

In order to facilitate the storage of the puncture rod, the utility model is improved in that the sliding screw mechanism comprises a rotating cap, a threaded cylinder and a toothed bar, wherein the rotating cap is provided with the rotating bar which penetrates through the top cap and is connected with the threaded cylinder, the inner cavity of the threaded cylinder is connected with the toothed bar through a screw groove, and the fixed bar is arranged at the top end of the toothed bar.

In order to ensure the stability of the installation of the sliding screw mechanism, the utility model is improved in that the top end of the top cap and the top end of the inner cavity of the top cap are provided with rotating grooves, the rotating cap and the threaded cylinder are respectively provided with a rotating rod, the rotating rod of the rotating cap is embedded in the rotating groove at the top end of the top cap, and the rotating rod of the threaded cylinder is embedded in the rotating groove at the top end of the inner cavity of the top cap.

In order to ensure the stability of the installation of the button, the utility model is improved in that both sides of the slideway are provided with sliding grooves, the inner side of the button is provided with a clamping plate, and both sides of the clamping plate are embedded in the sliding grooves.

In order to facilitate the fixation of the button, the utility model is improved in that the top end of the top cap is provided with a limiting rod, the end part of the limiting rod is arranged at the top end of the top cap through an adjusting shaft, the limiting rod is arranged at two sides of the rotating cap, and the button is provided with a limiting groove which is matched with the limiting rod.

In order to facilitate sliding the button, the utility model is improved in that the side of the button is provided with anti-skid patterns.

(III) beneficial effects

Compared with the prior art, the utility model provides the puncture introducer convenient for replacing the puncture rod, which has the following beneficial effects:

the puncture rod is arranged on the thread groove of the fixed rod, the connecting rod of the puncture rod is connected with the thread groove by the threads, after the puncture rod is arranged, the clamping rod on the button is inserted into the fixed groove to limit the puncture rod, so that the puncture rod is prevented from rotating, the button is stirred upwards when the puncture rod is dismounted, the clamping rod is separated from the fixed groove, the rotating cap is limited to rotate by hand pressure, and the puncture rod is rotated to be dismounted, so that the dismounting structure of the puncture rod is simpler and more convenient, the puncture rod is convenient and quick to dismount, and the influence on operations caused by delay of excessive time is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic cross-sectional view of a top cap according to the present utility model;

in the figure: 1. a top cap; 2. a mounting table; 3. a puncture cannula; 4. a puncture rod; 5. a puncture head; 6. an air inlet pipe; 7. a vent valve; 8. a button; 9. a limit groove; 10. a limit rod; 11. an adjusting shaft; 12. a chute; 13. a clamping plate; 14. a clamping rod; 15. a rod; 16. rotating the cap; 17. a rotating lever; 18. a thread cylinder; 19. a toothed bar; 20. a fixed rod; 21. a connecting rod; 22. a rotating groove; 23. a compression spring;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the puncture introducer convenient for replacing a puncture rod comprises a sleeve mechanism and the puncture rod 4, wherein the sleeve mechanism comprises a top cap 1 and a puncture sleeve 3, the bottom of the top cap 1 is provided with a mounting table 2, the puncture sleeve 3 is mounted at the bottom end of the mounting table 2, one side of the mounting table 2 is provided with an air inlet pipe 6, the inner cavity of the mounting table 2 is communicated with the puncture sleeve 3, the air inlet pipe 6 and the inner cavity of the top cap 1, the air inlet pipe 6 is provided with a vent valve 7, the puncture rod 4 is provided with a puncture head 5 and a fixing groove, the top of the top cap 1 is provided with a sliding screw mechanism, the sliding screw mechanism is provided with a fixing rod 20, the bottom end of the fixing rod 20 is provided with a thread groove, the top of the puncture rod 4 is provided with a connecting rod 21, the connecting rod 21 is connected with the thread groove through threads, the top of the fixing groove is communicated with the top of the puncture rod 4, the inner cavity of the top cap 1 is provided with a compression spring 23, two sides of the top cap 1 are provided with a slide way, the compression spring 23 is matched with the compression spring 23, the push button 8 is provided with the push button 14 and is inserted into the slide way 14, and is connected with the end part 14 through the compression rod 14.

This puncture introducer convenient to change puncture pole 4, in the in-process personnel of using install puncture pole 4 on the screw groove of dead lever 20, the connecting rod 21 of puncture pole 4 utilizes the screw thread to be connected with the screw groove, puncture pole 4 is after the installation, insert the draw-in lever 14 on the button 8 in the dead groove and carry out spacingly to puncture pole 4, avoid puncture pole 4 to take place rotatoryly, puncture pole 4 if take place to rotate, then lead to sliding screw mechanism to take place to rotate easily, thereby lead to puncture pole 4 to take place concertina movement and influence the puncture work, this equipment is in the in-process of using, stir button 8 upwards slide, make draw-in lever 14 and dead groove separation, wear out puncture sleeve 3 with puncture pole 4 at rotating sliding screw mechanism, afterwards slide button 8 downwards, make draw-in lever 14 insert the rotatory spacing of dead groove in to puncture pole 4, avoid button 8 to take place to beat easily under compression spring 23's effect, personnel aim at the position that needs to puncture after the puncture pole 4 is accomplished through puncture head 5, stir button 8 again, make progress, make card lever 14 and dead groove separate, and through rotatory cap 16, and through rotatory cap 16, take place in the inflation valve 6, the inflation valve is opened in the other modes of opening, the convenient air intake pipe is opened, the device is opened through the rotary valve is opened to the air inlet pipe is opened to the device, the device is opened through the rotary valve is opened to the air inlet pipe is opened to the valve is convenient.

The puncture pole 4 need be with puncture pole 4 shrink back sleeve pipe when depositing, store puncture pole 4, puncture pole 4 need be with puncture sleeve pipe 3 in the use, in this embodiment, sliding screw mechanism includes rotates cap 16, screw thread section of thick bamboo 18 and ratch 19, be equipped with on the rotation cap 16 and rotate pole 17 and run through top cap 1 and be connected with screw thread section of thick bamboo 18, the inner chamber of screw thread section of thick bamboo 18 is connected with ratch 19 through the helicla flute, dead lever 20 installs on the top of ratch 19, above-mentioned sliding screw mechanism adopts lipstick sleeve pipe field common sliding screw elevating system can, drives screw thread section of thick bamboo 18 through rotatory rotation cap 16 and rotates, utilizes the meshing principle of helicla flute and ratch 19 to realize the lift of ratch 19 to drive puncture pole 4 shrink or release.

The rotation cap 16 and the screw thread section of thick bamboo 18 need keep stability at rotatory in-process, avoid the installation of rotation cap 16 and screw thread section of thick bamboo 18 too not hard up, in this embodiment, the top of top cap 1 and the top of top cap 1 inner chamber are equipped with the rotation groove 22, all be equipped with the bull stick on rotation cap 16 and the screw thread section of thick bamboo 18, the bull stick on the screw thread section of thick bamboo 18 is embedded in the rotation groove 22 on top cap 1 top, utilizes the embedded structure of bull stick and rotation groove 22 to guarantee the stability of rotation cap 16 and screw thread section of thick bamboo 18 installation and the stability when rotatory.

The button 8 need guarantee the stability of button 8 installation when sliding on the slide, avoids button 8 to pop out, in this embodiment, the both sides of slide are equipped with spout 12, the inboard of button 8 is equipped with cardboard 13, just the both sides of cardboard 13 are embedded in spout 12, utilize cardboard 13 and the stability of spout 12 embedded structure assurance button 8 installation and the stability when sliding.

When button 8 upwards slides, makes the fixed slot separation of draw-in bar 14 and piercing depth 4 back, still need demolish piercing depth 4, need fix button 8 this moment, in this embodiment, gag lever post 10 is installed on the top of hood 1, the tip of gag lever post 10 passes through regulating spindle 11 and installs on the top of hood 1, gag lever post 10 sets up the both sides at rotating cap 16, be equipped with spacing groove 9 and gag lever post 10 looks adaptation on the button 8, accomplish the button 8 upwards slides the back, rotate gag lever post 10, make gag lever post 10 insert in the spacing groove 9 to button 8 spacing can.

When stirring button 8 slip, if the surface of button 8 is too smooth, then lead to button 8 unable stirring easily, in this embodiment, the avris of button 8 is equipped with the anti-skidding line, utilizes the anti-skidding line to increase the resistance when stirring button 8 to button 8 stirs more easily when.

Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a puncture introducer convenient to change puncture pole, its characterized in that, including sleeve pipe mechanism and puncture pole (4), sleeve pipe mechanism includes top cap (1) and puncture sleeve pipe (3), the bottom of top cap (1) is equipped with mount table (2), install in the bottom of mount table (2) puncture sleeve pipe (3), one side of mount table (2) is equipped with intake pipe (6), the inner chamber intercommunication puncture sleeve pipe (3) of mount table (2), intake pipe (6) and the inner chamber of top cap (1), be equipped with breather valve (7) on intake pipe (6), be equipped with puncture head (5) and fixed slot on puncture pole (4), slide screw mechanism is installed at the top of top cap (1), be equipped with dead lever (20) on the slide screw mechanism, the bottom of dead lever (20) is equipped with the screw groove, the top of puncture pole (4) is equipped with connecting rod (21), connecting rod (21) are connected through screw thread groove, the top of dead slot and the inner chamber of puncture pole (4) top cap (1) and compression button (23), compression button (23) are equipped with on the top of top cap (1), compression button (23) and slide (8) are equipped with on both sides, the clamping rod (14) is fixedly connected with the compression spring (23), and the end part of the clamping rod (14) is inserted into the fixing groove through the inserting rod (15).

2. The puncture introducer facilitating replacement of the puncture rod according to claim 1, wherein the sliding screw mechanism comprises a rotating cap (16), a threaded cylinder (18) and a toothed bar (19), the rotating cap (16) is provided with a rotating rod (17) penetrating through the top cap (1) and being connected with the threaded cylinder (18), an inner cavity of the threaded cylinder (18) is connected with the toothed bar (19) through a screw groove, and the fixing rod (20) is installed at the top end of the toothed bar (19).

3. The puncture introducer convenient for replacing the puncture rod according to claim 2, wherein the top end of the top cap (1) and the top end of the inner cavity of the top cap (1) are provided with rotating grooves (22), the rotating caps (16) and the threaded cylinders (18) are respectively provided with a rotating rod, the rotating rods of the rotating caps (16) are embedded in the rotating grooves (22) at the top end of the top cap (1), and the rotating rods of the threaded cylinders (18) are embedded in the rotating grooves (22) at the top end of the inner cavity of the top cap (1).

4. A puncture introducer convenient for replacing a puncture rod according to claim 3, characterized in that sliding grooves (12) are formed in two sides of the sliding way, a clamping plate (13) is arranged on the inner side of the button (8), and two sides of the clamping plate (13) are embedded in the sliding grooves (12).

5. The puncture introducer convenient for replacing the puncture rod according to claim 4, wherein the top end of the top cap (1) is provided with a limiting rod (10), the end part of the limiting rod (10) is arranged at the top end of the top cap (1) through an adjusting shaft (11), the limiting rod (10) is arranged at two sides of the rotating cap (16), and the button (8) is provided with limiting grooves (9) which are matched with the limiting rod (10).

6. A puncture introducer for facilitating replacement of a puncture rod according to claim 5, characterized in that the side of the button (8) is provided with anti-slip threads.