CN215839366U

CN215839366U - Puncture needle for interventional therapy of cardiology

Info

Publication number: CN215839366U
Application number: CN202120575259.4U
Authority: CN
Inventors: 李晓伟
Original assignee: Anntom Medical Ltd
Current assignee: Anntom Medical Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2022-02-18
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a puncture needle for cardiology interventional therapy, which relates to the field of medical treatment and comprises a placement frame, wherein two ends of the top of the placement frame are rotatably connected with fixing pieces, a sliding groove piece is rotatably connected in the middle of the top of the placement frame, first racks are arranged at one ends of the sliding groove piece and one end of a group of fixing pieces, and a first sliding groove matched with the first racks is formed in the placement frame. The fixing pieces are rotatably connected to the two ends of the top of the placing rack, so that the arm of a patient can be fixed and is not easy to shake, the sliding groove piece is rotatably connected to the middle of the top of the placing rack, the first sleeve is slidably connected to the middle of the sliding groove piece, the first sliding column is slidably connected to the first sleeve, the needle tube is connected to the bottom end of the first sliding column through the connecting column, the position of the first sleeve is adjusted through the pressing button, the button is loosened for fixing, the needle tube is pricked into the arm through pressing the first sliding column, the needle tube is pricked more stably, and the pain degree of the patient can be reduced.

Description

Puncture needle for interventional therapy of cardiology

Technical Field

The utility model relates to the field of medical treatment, in particular to a puncture needle for interventional therapy of cardiology.

Background

The heart interventional therapy is a novel technology for diagnosing and treating cardiovascular diseases, does not need to open the chest, is a method for conducting confirmation and treatment on the heart diseases by puncturing body surface blood vessels under the guidance of an imaging method and by means of certain instruments, is an advanced heart disease diagnosis and treatment method which is very rapid in progress and is between internal treatment and surgical treatment, and is an invasive diagnosis and treatment method which comprises coronary angiography, PTCA + stent, mitral valve balloon dilatation, radio frequency ablation, pacemaker implantation, congenital heart disease interventional treatment and coronary artery endoluminal thrombolysis.

The hand shaking of the existing puncture needle, whether a patient or a doctor, can be pricked and deflected in the using process, and the pain degree of the patient can be increased when the detained needle head is shaken when the detained needle head is taken down.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the pain degree of a patient is easily increased in the use process of the existing puncture needle, the puncture needle for the interventional therapy of the cardiology department is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a puncture needle for interventional therapy of cardiology comprises a placing frame, a first sleeve, a second sleeve and a third sleeve, wherein two ends of the top of the placing frame are rotatably connected with fixing pieces, the middle of the top of the placing frame is rotatably connected with a sliding groove piece, a first rack is arranged at one end of the sliding groove piece and one end of a group of fixing pieces, a first sliding groove matched with the first rack is formed in the placing frame, a card box matched with the first sliding groove is arranged on the front side of the placing frame, a gear matched with the first rack is rotatably connected in the card box, a group of cards are rotatably connected in the card box, a first spring is connected between one side of each group of cards and the inner side of the card box, a shifting piece matched with the cards is rotatably connected in the card box, a knob extending out of the card box is connected in the middle of the shifting piece, the first sleeve is slidably connected in the middle of the sliding groove piece, and sliding blocks are arranged on two sides of the first sleeve, a second sliding groove matched with the sliding block is formed in the sliding groove sheet, a first clamping block is connected in the sliding block in a sliding mode, a plurality of first clamping grooves matched with the first clamping block are formed in the second sliding groove, the tail ends of the first clamping block are located in the sliding block and are connected with a first connecting block in a rotating mode, one end of the first connecting block is connected with a first eccentric gear rotationally connected with the sliding block, a third sleeve is arranged in the sliding block, a second rack matched with the first eccentric gear is connected in the third sleeve in a sliding mode, a third spring is connected between the tail end of the inner side of the third sleeve and the tail end of the second rack, one end of the second rack is connected with a button extending out of the sliding groove sheet, a first sliding column is connected in the second sleeve in a sliding mode, a second spring is connected between the first sliding column and the second sleeve, a connecting column is movably connected to the bottom of the first sliding column, and a needle tube is sleeved at the bottom end of the connecting column, the utility model discloses a syringe needle, including spliced pole, first rack, second eccentric gear, first clamping groove, second clamping block, fourth spring, spliced pole inside sliding connection has the third rack, and third rack bottom is located the spliced pole outer joint and presses the board, the spliced pole inside is located third rack both sides and all rotates and be connected with third rack complex second eccentric gear, and all rotates on the second eccentric gear and be connected with the second connecting block, second connecting block one end all rotates and is connected with the second fixture block with spliced pole sliding connection, and the needle tubing inner wall set up with second fixture block complex second draw-in groove, be connected with the fourth spring between third rack top and the spliced pole inner wall.

Preferably, a flow guide pipe is arranged on one side of the needle tube, and a valve is arranged on the flow guide pipe.

Preferably, the top of the placing frame is provided with a flexible pad, and the bottom of the fixing piece is provided with a flexible pad.

Preferably, the connecting column is detachably connected with the first sliding column through threads, and the second spring is connected between the first sliding column and the second sleeve.

Preferably, the two sides of the inner wall of the first sleeve are positioned in the middle of the second spring and are provided with second sleeves, and the two sides of the first sliding column are positioned in the second spring and are provided with second sliding columns matched with the second sleeves.

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

1. the fixing pieces are rotatably connected to the two ends of the top of the placing rack, so that the arm of a patient can be fixed and is not easy to shake;

2. according to the utility model, after the bottom of the connecting column is connected with the pressing plate needle tube through the third rack in a sliding manner and pricks into a blood vessel, blood gushes out to push the pressing plate to slide with the third rack, so that the second eccentric gear is driven to rotate, the second clamping block is separated from the second clamping groove, the connecting column can be drawn out from the needle tube, the needle tube cannot shake, and the pain degree of a patient can be reduced.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

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

FIG. 3 is a side view of the present invention;

FIG. 4 is an enlarged view of A of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of B of FIG. 1 in accordance with the present invention;

FIG. 6 is an enlarged view of C of FIG. 1 in accordance with the present invention;

FIG. 7 is an enlarged view of D of FIG. 1 according to the present invention.

In the figure: 1. placing a rack; 2. a fixing sheet; 3. a first rack; 4. a first chute; 5. a card box; 6. A gear; 7. a card; 8. a first spring; 9. a shifting sheet; 10. a knob; 11. a chute sheet; 12. a first sleeve; 13. a first traveler; 14. a second sleeve; 15. a second strut; 16. a second spring; 17. A slider; 18. a second chute; 19. a first clamping block; 20. a first card slot; 21. a first connection block; 22. A first eccentric gear; 23. a second rack; 24. a button; 25. a third spring; 26. a third sleeve; 27. connecting columns; 28. a needle tube; 29. a third rack; 30. a second eccentric gear; 31. a second connecting block; 32. a second fixture block; 33. a second card slot; 34. pressing a plate; 35. a fourth spring; 36. a flow guide pipe; 37. a valve; 38. a flexible mat.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-7, a puncture needle for interventional therapy of cardiology comprises a rack 1, a first sleeve 12, a second sleeve 14 and a third sleeve 26, wherein two ends of the top of the rack 1 are rotatably connected with fixing pieces 2, the middle of the top of the rack 1 is rotatably connected with a sliding slot piece 11, the sliding slot piece 11 and one end of a set of fixing pieces 2 are respectively provided with a first rack 3, a first chute 4 matched with the first rack 3 is arranged in the rack 1, a card box 5 matched with the first chute 4 is arranged on the front surface of the rack 1, a gear 6 matched with the first rack 3 is rotatably connected in the card box 5, a set of cards 7 are rotatably connected in the card box 5, a first spring 8 is connected between one surface of the set of cards 7 and the inner side of the card box 5, a poking piece 9 matched with the cards 7 is rotatably connected in the card box 5, and a knob 10 extending out of the card box 5 is connected in the middle of the poking piece 9, a first sleeve 12 is connected in the middle of the sliding groove sheet 11 in a sliding manner, sliding blocks 17 are arranged on two sides of the first sleeve 12, a second sliding groove 18 matched with the sliding blocks 17 is formed in the sliding groove sheet 11, a first clamping block 19 is connected in the sliding blocks 17 in a sliding manner, a plurality of first clamping grooves 20 matched with the first clamping block 19 are formed in the second sliding groove 18, a first connecting block 21 is rotatably connected to the tail end of the first clamping block 19 in the sliding blocks 17, a first eccentric gear 22 rotatably connected with the sliding blocks 17 is connected to one end of the first connecting block 21, a third sleeve 26 is arranged in the sliding blocks 17, a second rack 23 matched with the first eccentric gear 22 is connected in the third sleeve 26 in a sliding manner, a third spring 25 is connected between the tail end of the inner side of the third sleeve 26 and the tail end of the second rack 23, a button 24 extending out of the sliding groove sheet 11 is connected to one end of the second rack 23, a first sliding column 13 is connected in the second sleeve 14 in a sliding manner, and a second spring 16 is connected between the first sliding column 13 and the second sleeve 14, the bottom of the first sliding column 13 is movably connected with a connecting column 27, a needle tube 28 is sleeved at the bottom end of the connecting column 27, a third rack 29 is connected inside the connecting column 27 in a sliding manner, a pressing plate 34 is connected outside the connecting column 27 at the bottom end of the third rack 29, a second eccentric gear 30 matched with the third rack 29 is rotatably connected to both sides of the third rack 29 inside the connecting column 27, a second connecting block 31 is rotatably connected to the second eccentric gear 30, one end of the second connecting block 31 is rotatably connected to a second clamping block 32 slidably connected with the connecting column 27, a second clamping groove 33 matched with the second clamping block 32 is formed in the inner wall of the needle tube 28, and a fourth spring 35 is connected between the top end of the third rack 29 and the inner wall of the connecting column 27.

The utility model can fix the arm of a patient by rotationally connecting the fixing pieces 2 at both ends of the top of the placing rack 1 to ensure that the arm is not easy to shake, can adjust the pain of the patient by rotationally connecting the sliding chute piece 11 at the middle of the top of the placing rack 1, slidably connecting the first sleeve 12 at the middle of the sliding chute piece 11, slidably connecting the first sliding column 13 in the first sleeve 12, connecting the needle tube 28 at the bottom end of the first sliding column 13 through the connecting column 27, adjusting the position of the first sleeve 12 by pressing the button 24, then loosening the button 24 for fixing, and pricking the needle tube 28 into the arm by pressing the first sliding column 13, so that the pricking time of the needle tube 28 is more stable, the pain degree of the patient can be reduced, after the needle tube 28 is pricked into the blood vessel by slidably connecting the pressing plate 34 at the bottom of the connecting column 27 through the third rack 29, the blood is gushed out to push the pressing plate 34 to slide with the third rack 29, so as to drive the second eccentric gear 30 to rotate, and make the second clamping block 32 separate from the second clamping groove 33, the connecting post 27 can be drawn out from the needle tube 28 without shaking the needle tube 28, thereby reducing the pain of the patient.

Please refer to fig. 1 and 7, a flow guiding tube 36 is disposed at one side of the needle tube 28, and a valve 37 is disposed on the flow guiding tube 36, so that the blood can be guided out from the flow guiding tube 36 without affecting the penetration of the conducting wire by the flow guiding tube 36, and the valve 37 can close the flow guiding tube 36.

Please refer to fig. 1, fig. 2 and fig. 3, the top of the placement frame 1 is provided with a flexible pad 38, and the bottom of the fixing plate 2 is provided with the flexible pad 38, the present invention can make the arm of the patient more comfortable by the flexible pad 38.

Referring to fig. 1, the connection post 27 is detachably connected to the first sliding post 13 through a screw, the second spring 16 is connected between the first sliding post 13 and the second sleeve 14, the connection post 27 is unscrewed to sterilize the first sliding post, so as to prevent cross infection, and the second spring 16 can automatically return the first sliding post 13 to a position for the next use.

Please refer to fig. 1 and 5, the second sleeve 14 is disposed between the second spring 16 on both sides of the inner wall of the first sleeve 12, and the second sliding post 15 matched with the second sleeve 14 is disposed in the second spring 16 on both sides of the first sliding post 13.

The working principle is as follows: when the device is used, the arm of a patient is placed on the placing frame 1, the fixing piece 2 is rotated, the first rack 3, the gear 6 and the clamping piece 7 are matched to fix the arm of the patient, the flexible pad 38 can make the arm of the patient more comfortable, then the sliding groove piece 11 is rotated to make the needle tube 28 at a proper height, then the knob 10 matched with the sliding groove piece 11 is rotated, the plectrum 9 is rotated to make the clamping piece 7 matched with the first rack 3 to fix the sliding groove piece 11, the button 24 is pressed to push the second rack 23 to drive the first eccentric gear 22 to rotate, the first clamping block 19 is separated from the first clamping groove 20, the first sleeve 12 can be slid, after the first sleeve 12 is slid to a proper position, the button 24 is released, the third spring 25 pushes the second rack 23 to return to the position, the first clamping block 19 is clamped into the corresponding first clamping groove 20 to fix the first sleeve 12, the first sliding column 13 is pressed to push the connecting column 27, the needle tube 28 is pricked into the blood vessel, blood rushes into the needle tube 28 to push the pressing plate 34 and the third rack 29, the second eccentric gear 30 is driven to rotate, the second clamping block 32 is separated from the second clamping groove 33, the second spring 16 pushes the first sliding column 13 to return to drive the connecting column 27 to be separated from the needle tube 28, the lead can be sent into the body of a patient through the needle tube 28, and the connecting column 27 can be screwed down after use to prevent cross infection.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a puncture needle for intracardiac branch of academic or vocational study intervention treatment, includes rack (1), first sleeve (12), second sleeve (14) and third sleeve (26), its characterized in that: the clamping rack is characterized in that both ends of the top of the placing rack (1) are rotatably connected with fixing pieces (2), the middle of the top of the placing rack (1) is rotatably connected with a sliding groove piece (11), the sliding groove piece (11) and one end of a group of fixing pieces (2) are respectively provided with a first rack (3), a first sliding groove (4) matched with the first rack (3) is formed in the placing rack (1), the front of the placing rack (1) is provided with a clamping box (5) matched with the first sliding groove (4), a gear (6) matched with the first rack (3) is rotatably connected in the clamping box (5), a group of clamping pieces (7) are rotatably connected in the clamping box (5), a first spring (8) is connected between one side of the group of clamping pieces (7) and the inner side of the clamping box (5), a shifting piece (9) matched with the clamping pieces (7) is rotatably connected in the clamping box (5), and a knob (10) extending out of the clamping box (5) is connected in the middle of the shifting piece (9), a first sleeve (12) is connected in the middle of the sliding groove sheet (11) in a sliding manner, sliding blocks (17) are arranged on two sides of the first sleeve (12), a second sliding groove (18) matched with the sliding blocks (17) is formed in the sliding groove sheet (11), a first clamping block (19) is connected in the sliding blocks (17) in a sliding manner, a plurality of first clamping grooves (20) matched with the first clamping block (19) are formed in the second sliding groove (18), the tail end of the first clamping block (19) is located in the sliding blocks (17) and is rotatably connected with a first connecting block (21), one end of the first connecting block (21) is connected with a first eccentric gear (22) rotatably connected with the sliding blocks (17), a third sleeve (26) is arranged in the sliding blocks (17), a second rack (23) matched with the first eccentric gear (22) is connected in the third sleeve (26) in a sliding manner, and a third spring (25) is connected between the tail end of the inner side of the third sleeve (26) and the second rack (23), and one end of the second rack (23) is connected with a button (24) extending out of the chute sheet (11), the second sleeve (14) is connected with a first sliding column (13) in a sliding manner, a second spring (16) is connected between the first sliding column (13) and the second sleeve (14), the bottom of the first sliding column (13) is movably connected with a connecting column (27), the bottom of the connecting column (27) is sleeved with a needle tube (28), the inside of the connecting column (27) is connected with a third rack (29) in a sliding manner, the bottom of the third rack (29) is connected with a pressing plate (34) outside the connecting column (27), the inside of the connecting column (27) is positioned at the two sides of the third rack (29) and is rotatably connected with a second eccentric gear (30) matched with the third rack (29), the second eccentric gear (30) is rotatably connected with a second connecting block (31), one end of the second connecting block (31) is rotatably connected with a second clamping block (32) slidably connected with the connecting column (27), and a second clamping groove (33) matched with the second clamping block (32) is formed in the inner wall of the needle tube (28), and a fourth spring (35) is connected between the top end of the third rack (29) and the inner wall of the connecting column (27).

2. A puncture needle for interventional therapy in cardiology according to claim 1, wherein: a guide pipe (36) is arranged on one side of the needle tube (28), and a valve (37) is arranged on the guide pipe (36).

3. A puncture needle for interventional therapy in cardiology according to claim 1, wherein: the top of the placing frame (1) is provided with a flexible pad (38), and the bottom of the fixing piece (2) is provided with the flexible pad (38).

4. A puncture needle for interventional therapy in cardiology according to claim 1, wherein: the connecting column (27) is detachably connected with the first sliding column (13) through threads, and a second spring (16) is connected between the first sliding column (13) and the second sleeve (14).

5. A puncture needle for intracardiac interventional therapy according to claim 4, characterized in that: and the two sides of the inner wall of the first sleeve (12) are positioned in the middle of the second spring (16) and are provided with second sleeves (14), and the two sides of the first sliding column (13) are positioned in the second spring (16) and are provided with second sliding columns (15) matched with the second sleeves (14).