CN215192064U

CN215192064U - Interventional puncture device

Info

Publication number: CN215192064U
Application number: CN202120044186.6U
Authority: CN
Inventors: 黄广慧; 李文红; 倪阳; 崔晓剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-12-17
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses an intervention puncture device, which comprises a needle puncture component, a fixed adsorption device, an inner needle cylinder propulsion device and an injection needle tube, wherein the puncture tip of the needle puncture component can be opened and closed by arranging the needle puncture component device, and a required standard sample can be cut, so that the device can complete puncture injection and puncture sampling; through setting up interior syringe needle advancing device, can't push away after the device normal condition, avoided pressing behind the briquetting alright push away afterwards, also make built-in thin syringe needle can not pushed back by the top after stinging, increased the safety guarantee, easy operation, the function is more various.

Description

Interventional puncture device

Technical Field

The utility model relates to a puncture technical field specifically is an intervene piercing depth.

Background

With the progress of metal processing technology and medicine, the intravenous infusion and the theory thereof are rapidly developed, and various needle types with different applications are rapidly derived. The puncture needle is only one of the small branches. Even so, there are dozens of different types, complicated in structure such as a trocar needle, and fine in precision such as a cell puncture needle.

However, the conventional puncture device has a problem that the puncture operation is required to be high and only one function is provided, and therefore, an interventional puncture device is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intervene piercing depth to it is high to put forward the puncture operation requirement in solving above-mentioned background art, and factor of safety is low, only possesses the problem of a function.

In order to achieve the above object, the utility model provides a following technical scheme: an interventional puncture device comprises a needle puncture assembly, a fixed adsorption device, an inner needle cylinder propelling device and an injection needle tube, wherein the needle puncture assembly is clamped on the inner needle cylinder propelling device, and the inner needle cylinder propelling device is in clearance fit with the fixed adsorption device; the inner needle cylinder propelling device is clamped on the injection needle tube.

Preferably, the needle head puncture assembly comprises a needle head closed arc-shaped sheet, a puncture needle head, a miniature countersunk head bolt, a built-in thin needle head, a spring fixing block and a needle head built-in spring, wherein the needle head closed arc-shaped sheet is arranged on the puncture needle head through the miniature countersunk head bolt; the spring fixing block is welded inside the puncture needle head and inside the needle head closed arc sheet; the interior of the puncture needle head contains a built-in thin needle head, and the length of the built-in thin needle head is longer than that of the puncture needle head; the needle head built-in spring is fixed on the spring fixing block.

Preferably, fixed adsorption equipment includes the sucking disc, wing section lag bolt, bearing and device fixed block, the sucking disc glue on the device fixed block, wing section lag bolt install on the device fixed block, and rotatable, bearing and device fixed block carry out interference fit.

Preferably, the inner syringe propelling device comprises a device shell, a device propelling button, a button connecting device, a fan-shaped stop block, a stop block mounting plate, a propelling module sealing device, a mounting plate spring and a pressing block, wherein the propelling module sealing device is welded inside the device shell; the button connecting device is fixed on the device pushing button through a bolt, and the cross section of the lower part of the button connecting device is in a fan shape; the left side and the right side of the button connecting device are provided with grooves which can slide with the shell of the device; the fan-shaped stop block is welded on the stop block mounting plate; the upper end of the mounting plate spring is fixed below the stop block mounting plate, and the other end of the mounting plate spring is fixed above the propulsion module sealing device; the pressing block is arranged on the device shell, and the bottom of the pressing block is smooth and can move up and down.

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

1. the utility model discloses, through setting up syringe needle puncture subassembly device, the ejecting of built-in thin syringe needle is closed arc piece and the puncture syringe needle opens and closes with recovery control syringe needle, and spring fixed block and syringe needle built-in spring can make syringe needle closed arc piece and puncture syringe needle closed under the condition that built-in thin syringe needle does not have the state of opening, and syringe needle closed arc piece edge is extremely sharp, makes the device can cut and get the sample, and the syringe needle can inject and can take a sample, and application range is wider, and the function is more various;

2. the utility model discloses, through setting up fixed adsorption equipment, the sucking disc adsorbs skin preliminary stability, and wing section elasticity bolt consolidates makes the device more stable, has reduced the degree of difficulty of operation, and the technical requirement is lower, makes the security higher;

3. the utility model discloses, through setting up interior syringe advancing device, because fan-shaped dog sets up to fan-shaped cylindricality form with button connecting device below and makes the device can't push away after, press behind the pressing block alright push away after, further increased the safety guarantee for device safety more.

Drawings

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

FIG. 2 is a sectional view of the structure of the needle puncturing assembly of the present invention;

FIG. 3 is a schematic view of the tip of the needle puncture assembly of the present invention;

fig. 4 is a schematic view of the fixed adsorption device of the present invention;

FIG. 5 is a depth sectional view of the inner barrel propulsion device of the present invention;

FIG. 6 is a cross-sectional view of the inner barrel propulsion device of the present invention;

fig. 7 is a front view of the button connecting device of the present invention.

In the figure: 1. a needle puncture assembly; 11. the needle head seals the arc sheet; 12. a puncture needle head; 13. a miniature countersunk head bolt; 14. a thin needle head is arranged inside; 15. a spring fixing block; 16. a spring is arranged in the needle head; 2. fixing the adsorption device; 21. a suction cup; 22. wing-shaped loose bolts; 23. a bearing; 24. a device fixing block; 3. an inner needle cylinder propulsion device; 31. a device housing; 32. a device push button; 33. a button connection device; 34. A fan-shaped stop block; 35. a block mounting plate; 36. a propulsion module sealing device; 37. a mounting plate spring; 38. A pressing block; 4. an injection needle tube.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an interventional puncture device comprises a needle puncture assembly 1, a fixed adsorption device 2, an inner needle cylinder propelling device 3 and an injection needle tube 4, wherein the needle puncture assembly 1 is clamped on the inner needle cylinder propelling device 3, and the inner needle cylinder propelling device 3 is in clearance fit with the fixed adsorption device 2; the inner needle cylinder propelling device 3 is clamped on the injection needle tube 4.

Specifically, as shown in fig. 2 and 3, the needle puncture assembly 1 includes a needle sealing arc-shaped piece 11, a puncture needle 12, a micro countersunk head bolt 13, a built-in thin needle 14, a spring fixing block 15 and a needle built-in spring 16, wherein the needle sealing arc-shaped piece 11 is mounted on the puncture needle 12 through the micro countersunk head bolt 13; the spring fixing block 15 is welded inside the puncture needle head 12 and inside the needle head closed arc-shaped sheet 11; the interior of the puncture needle head 12 contains a built-in thin needle head 14, and the length of the built-in thin needle head 14 is longer than that of the puncture needle head 12; the needle head built-in spring 16 is fixed on the spring fixing block 15.

Through adopting above-mentioned technical scheme, the ejecting of built-in thin syringe needle 14 makes syringe needle closed arc piece 11 and puncture syringe needle 12, built-in thin syringe needle 14 pierces and corresponds the tissue and can inject corresponding medicine, spring fixed block 15 and syringe needle built-in spring 16 can make syringe needle closed arc piece 11 and puncture syringe needle 12 be in the closure state under the condition of the state of non-built-in thin syringe needle 14 ejecting, 11 edges of syringe needle closed arc piece are extremely sharp, the convenience is cut the sample that corresponds when closed, make the syringe needle can inject and can take a sample again, application range is wider.

Specifically, as shown in fig. 4, the fixed adsorption device 2 includes a suction cup 21, a wing-shaped elastic bolt 22, a bearing 23 and a device fixing block 24, the suction cup 21 is adhered to the device fixing block 24, the wing-shaped elastic bolt 22 is installed on the device fixing block 24 and is rotatable, and the bearing 23 and the device fixing block 24 are in interference fit.

Through adopting above-mentioned technical scheme, sucking disc 21 can adsorb and then can fix whole device through wing section lag bolt 22's clamp for the technical requirement of device reduces to some extent, has also improved the security simultaneously.

Specifically, as shown in fig. 5 to 7, the inner syringe pushing device 3 includes a device housing 31, a device pushing button 32, a button connecting device 33, a sector stopper 34, a stopper mounting plate 35, a pushing module sealing device 36, a mounting plate spring 37 and a pressing block 38, wherein the pushing module sealing device 36 is welded inside the device housing 31; the button connecting device 33 is fixed on the device pushing button 32 through a bolt, and the cross section of the lower part of the button connecting device is in a fan shape; the left side and the right side of the button connecting device 33 are provided with grooves which can slide with the device shell 31; the fan-shaped stop block 34 is welded on the stop block mounting plate 35; the upper end of the mounting plate spring 37 is fixed below the stop block mounting plate 35, and the other end of the mounting plate spring is fixed above the propulsion module sealing device 36; the pressing block 38 is mounted on the device housing 31, and has a smooth bottom and can move up and down.

Through adopting above-mentioned technical scheme, device propulsion button 32 can control and impel backward forward, because fan-shaped dog 34 sets up to fan-shaped post shape with button connecting device 33 below and makes interior syringe advancing device 3 be in the state of being stuck, can't push backward, and press the setting of briquetting 38, press and press briquetting 38 and make dog mounting panel 35 push down, thereby extrude mounting panel spring 37, make mounting panel spring 37 compress, dog mounting panel 35 moves down, fan-shaped dog 34 is separately with button connecting device 33, make the device can push away afterwards, the safety guarantee has been increased, make the device safety more.

The working principle is as follows: when in use, if injection is carried out, firstly, the pushing button 32 of the device is confirmed to be at the tail end, namely the built-in thin needle head 14 is positioned in the puncture needle head 12, after the puncture position is confirmed, the puncture needle head 12 and the puncture tip formed by the needle head closed arc-shaped sheet 11 are used for puncturing the skin, then, the pushing device is used for enabling the puncture tip formed by the puncture needle head 12 and the needle head closed arc-shaped sheet 11 to enter the appointed position, the wing-shaped elastic bolt 22 is loosened to move the fixed adsorption device 2 towards the epidermis of the human body, the skin is adsorbed by the sucking disc 21, the wing-shaped elastic bolt 22 is tightened, then, the pushing button 32 of the device is pushed, the built-in thin needle head 14 is pushed out of the puncture position where the puncture needle head 12 is punctured, then, injection is carried out, if sampling is carried out, the pushing button 32 of the device is also needed to be firstly confirmed to be at the tail end, namely, the built-in thin needle head 14 is positioned in the puncture needle head 12, after the puncture position is confirmed, the puncture needle head 12 and the puncture tip formed by the puncture needle head closed arc-shaped sheet 11 is used for puncturing the skin, thrust unit, make puncture needle 12 and the thorn point that the syringe needle seals arc piece 11 and forms get into the assigned position, then thrust unit impels button 32, drive built-in thin syringe needle 14 and push away syringe needle and seal arc piece 11, make syringe needle seal arc piece 11 with puncture needle 12 formation open state, then impel a bit slightly toward skin inside at the device, then press down pressing block 38, push unit impels button 32 back, drive built-in thin syringe needle 14 and get into puncture needle 12, syringe needle built-in spring 16 makes syringe needle seal arc piece 11 closed with puncture needle 12 shape, cut and get required sample, stable safety, and can conveniently take a sample.

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.

Claims

1. An interventional puncture device, comprising: the needle puncture device comprises a needle puncture component (1), a fixed adsorption device (2), an inner needle cylinder propelling device (3) and an injection needle tube (4), wherein the needle puncture component (1) is clamped on the inner needle cylinder propelling device (3), and the inner needle cylinder propelling device (3) is in clearance fit with the fixed adsorption device (2); the inner needle cylinder propelling device (3) is clamped on the injection needle tube (4).

2. An interventional puncture device according to claim 1, wherein: the needle head puncture assembly (1) comprises a needle head sealing arc-shaped sheet (11), a puncture needle head (12), a miniature countersunk head bolt (13), a built-in thin needle head (14), a spring fixing block (15) and a needle head built-in spring (16), wherein the needle head sealing arc-shaped sheet (11) is arranged on the puncture needle head (12) through the miniature countersunk head bolt (13); the spring fixing block (15) is welded inside the puncture needle head (12) and inside the needle head closed arc-shaped sheet (11); the interior of the puncture needle head (12) contains a built-in thin needle head (14), and the length of the built-in thin needle head (14) is longer than that of the puncture needle head (12); the needle head built-in spring (16) is fixed on the spring fixing block (15).

3. An interventional puncture device according to claim 1, wherein: fixed adsorption equipment (2) include sucking disc (21), wing section lag bolt (22), bearing (23) and device fixed block (24), sucking disc (21) glue on device fixed block (24), wing section lag bolt (22) install on device fixed block (24), and rotatable, bearing (23) and device fixed block (24) carry out interference fit.

4. An interventional puncture device according to claim 1, wherein: the inner needle cylinder propelling device (3) comprises a device shell (31), a device propelling button (32), a button connecting device (33), a fan-shaped stop block (34), a stop block mounting plate (35), a propelling module sealing device (36), a mounting plate spring (37) and a pressing block (38), wherein the propelling module sealing device (36) is welded inside the device shell (31); the button connecting device (33) is fixed on the device pushing button (32) through a bolt, and the cross section of the lower part of the button connecting device is in a fan shape; the left side and the right side of the button connecting device (33) are provided with grooves which can slide with the device shell (31); the fan-shaped stop block (34) is welded on the stop block mounting plate (35); the upper end of the mounting plate spring (37) is fixed below the stop block mounting plate (35), and the other end of the mounting plate spring is fixed above the propulsion module sealing device (36); the pressing block (38) is arranged on the device shell (31), and the bottom of the pressing block is smooth and can move up and down.