CN221357056U

CN221357056U - Cardiovascular intervention puncture device

Info

Publication number: CN221357056U
Application number: CN202322033163.7U
Authority: CN
Inventors: 杨健; 颜程; 杨林宏
Original assignee: Shaoyang Central Hospital
Current assignee: Shaoyang Central Hospital
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-07-19
Anticipated expiration: 2033-07-31

Abstract

The utility model relates to the technical field of medical equipment, and particularly discloses a cardiovascular intervention puncture device, which comprises: the puncture needle is sequentially divided into a mounting section, a closing section and an inserting section, wherein the mounting section is used for connecting an injection medium of a syringe, and the inserting section is used for puncturing a blood vessel; the closing section is a medical rubber tube, the surface of the mounting section, which is close to the closing section, is fixedly connected with a closing plate, and the surface of the inserting section, which is close to the closing plate, is fixedly connected with a fixing plate; a closing unit for closing the closing section and a supporting unit for supporting the closing section are arranged between the closing plate and the fixing plate; according to the utility model, the closing section is designed on the puncture needle, and the closing section is closed through the closing unit, namely, after the injection of the medium is completed by the injector connected with the mounting section in the device, the closing section can be closed through the closing unit, so that the blood is prevented from flowing out when the injector is taken down.

Description

Cardiovascular intervention puncture device

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a cardiovascular intervention puncture device.

Background

Cardiovascular diseases, also called circulatory diseases, require to be punctured into blood vessels by a common injection device through a puncture needle, and in the process of puncturing blood vessels by the puncture needle, medical staff cannot conveniently control the puncture depth of the puncture needle on one hand, and on the other hand, after medium is injected by pushing, the injector needs to be detached and then a guide wire is inserted, so that a lot of blood flows out from the puncture point, and cross infection is easy to cause.

After search, the patent number is: 202222216549.7, titled: in the Chinese patent for cardiovascular interventional therapy injection device, the rubber plug is adopted to block when the guide wire is replaced, so that blood is prevented from flowing out of a puncture point, however, in the process of adopting the rubber plug to block after the syringe is removed, certain interval time exists, and the condition of blood flowing out exists in the interval time, so that the problem that the blood flows out after the syringe is removed for the puncture needle is solved, and the cardiovascular interventional puncture device is provided.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a cardiovascular intervention puncture device, which has the advantage of avoiding blood from flowing out when a syringe is taken down, and solves the problems of the background technology.

The cardiovascular intervention puncture device of the utility model comprises:

The puncture needle is sequentially divided into a mounting section, a closing section and an inserting section, wherein the mounting section is used for connecting an injection medium of a syringe, and the inserting section is used for puncturing a blood vessel;

The closing section is a medical rubber tube, the surface of the mounting section, which is close to the closing section, is fixedly connected with a closing plate, and the surface of the inserting section, which is close to the closing plate, is fixedly connected with a fixing plate;

A closing unit for closing the closing section and a supporting unit for supporting the closing section are arranged between the closing plate and the fixing plate.

In some embodiments, the closing unit comprises two clamping blocks symmetrically arranged on the fixed plate, the bottoms of the two clamping blocks are in sliding connection with the fixed plate through a connecting rod, a sliding groove for sliding the connecting rod is formed in the fixed plate, and a spring is arranged in the sliding groove.

In some embodiments, the top of the closing plate is provided with a pushing block, one side of the pushing block facing the clamping block is designed as an inclined plane, the clamping block is provided with an inclined plane matched with the pushing block, and the two pushing blocks are pressed by the pushing blocks to be close to each other so as to close the closing section between the two clamping blocks.

In some embodiments, the closing unit further comprises a locking component, the locking component comprises two clamping rods made of elastic materials and arranged on the fixing plate, the two clamping rods are positioned on the outer sides of the two connecting rods, and a first clamping block is arranged at the top of each clamping rod;

One side of the pushing block away from the clamping block is arranged in a vertical plane, and a second clamping block matched with the first clamping block is fixedly connected to the surface of the pushing block.

In some embodiments, the support unit is a support frame with one side open, and the height of the support frame is adapted to the distance between the closing section and the closing plate and the fixing plate.

In some embodiments, the supporting unit is a pulling piece, the pulling piece is hinged at the top of the clamping rod through a hinge, and the top of the pulling piece is attached to the bottom of the closing plate.

In some embodiments, the top of the paddle is curved outwardly in an arcuate design.

In some embodiments, the positioning device further comprises a positioning unit, the positioning unit comprises a positioning disc sleeved on the surface of the insertion section, a positioning rod is arranged on the positioning disc, the top of the positioning rod movably penetrates through the closing plate, the top of the positioning rod is fixedly connected with a mounting plate, an adjusting screw rod penetrates through the mounting plate in a threaded manner, and a butt joint nut is arranged on the closing plate.

In some embodiments, an adhesive layer is arranged at the bottom of the positioning disc, and scales are arranged on the positioning rod.

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

1. according to the utility model, the closing section is designed on the puncture needle, and the closing section is closed through the closing unit, namely, after the injection of the medium is completed by the injector connected with the mounting section in the device, the closing section can be closed through the closing unit, so that the blood is prevented from flowing out when the injector is taken down.

2. According to the utility model, through the design of the positioning disc and the positioning rod in the positioning unit, the length capable of being inserted into a body can be determined through the moving distance of the positioning disc on the insertion section, and the puncture depth can be effectively controlled.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic illustration of an embodiment with a closed segment not closed and an elevational view in section;

FIG. 2 is a schematic view of a front cross-section of an embodiment with a closure segment closed;

FIG. 3 is a schematic view of a closed section in a top-down configuration according to an embodiment;

FIG. 4 is a schematic illustration of the front cross-section of the embodiment two closed segments not closed;

FIG. 5 is a schematic illustration of the front cross-section of the embodiment with the second closure segment closed;

FIG. 6 is a schematic diagram of a third embodiment of a positioning unit;

Fig. 7 is a schematic view of a top-down structure of a third embodiment closure segment.

In the figure: 1. a puncture needle; 101. a mounting section; 102. a closing section; 103. an insertion section; 2. a closing plate; 3. a fixing plate; 4. a closing unit; 401. a pushing block; 402. a second clamping block; 403. clamping blocks; 404. a first clamping block; 405. a clamping rod; 406. a connecting rod; 407. a spring; 5. a support frame; 6. a pulling piece; 7. a positioning unit; 701. adjusting a screw; 702. a mounting plate; 703. a butt-joint nut; 704. a positioning rod; 705. a positioning plate; 706. and (5) an adhesive layer.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, in which details are set forth in the following description for the sake of clarity. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-3, the cardiovascular interventional puncture device of the present utility model comprises:

The puncture needle 1 is sequentially divided into a mounting section 101, a closing section 102 and an inserting section 103, wherein the mounting section 101 is used for connecting a syringe injection medium, and the inserting section 103 is used for puncturing a blood vessel;

The closing section 102 is a medical rubber tube, the surface of the mounting section 101, which is close to the closing section 102, is fixedly connected with a closing plate 2, and the surface of the inserting section 103, which is close to the closing plate 2, is fixedly connected with a fixing plate 3;

Between the closing plate 2 and the fixing plate 3, a closing unit 4 for closing the closing section 102 and a supporting unit for supporting the closing section 102 are provided.

The closing unit 4 comprises two clamping blocks 403 symmetrically arranged on the fixed plate 3, the bottoms of the two clamping blocks 403 are in sliding connection with the fixed plate 3 through a connecting rod 406, a sliding groove for the connecting rod 406 to slide is formed in the fixed plate 3, and a spring 407 is arranged in the sliding groove.

The top of the closing plate 2 is provided with a pushing block 401, one side of the pushing block 401 facing the clamping block 403 is designed into an inclined plane, the clamping block 403 is provided with an inclined plane matched with the pushing block 401, and the two pushing blocks 401 are pressed by the two pushing blocks 401 to be close to each other, so that the closing section 102 positioned between the two clamping blocks 403 is closed.

The closing unit 4 further comprises a locking component, the locking component comprises two clamping rods 405 made of elastic materials and arranged on the fixed plate 3, the two clamping rods 405 are positioned on the outer sides of two connecting rods 406, and the top of each clamping rod 405 is provided with a first clamping block 404; one side of the pushing block 401 far away from the clamping block 403 is a vertical plane, and a second clamping block 402 matched with the first clamping block 404 is fixedly connected to the surface of the pushing block.

The supporting unit is a supporting frame 5 with one side open, and the height of the supporting frame 5 is matched with the distance between the closing section 102 and the closing plate 2 and the fixing plate 3.

When the injector is used, the mounting section 101 on the puncture needle 1 is required to be connected with the injector, then puncture is carried out, when the injector is required to be taken down after a medium is injected, the injector can be stabilized by hand, the supporting frame 5 is taken down, the limitation on the descending of the closing plate 2 is released, then the closing plate 2 is pressed down, the closing plate 2 carries the mounting section 101 to descend, so that the injector is taken down, the two pushing blocks 401 push the clamping blocks 403 to close to each other to clamp the closing section 102 when the closing plate 2 descends, meanwhile, the clamping rods 405 connected with the first clamping blocks 404 are outwards bent and then are positioned below the first clamping blocks 404 to be locked in the descending process of the second clamping blocks 402, and the closing section 102 can be in a closing state after the injector is taken down;

When the closing section 102 needs to be opened, the clamping blocks, the pushing block 401 and the closing plate 2 can be reset under the action of the spring 407 only by enabling the two clamping rods 405 to carry the first clamping block 404 to be separated from the second clamping block 402.

Embodiment two:

referring to fig. 4 and 5, unlike the first embodiment, the supporting unit is a pulling piece 6, the pulling piece 6 is hinged at the top of the clamping rod 405 by a hinge, and the top of the pulling piece 6 is attached to the bottom of the closing plate 2, and the top of the pulling piece 6 is bent outwards to form an arc design.

In operation, unlike the first embodiment, the closing plate 2 is directly pressed down after the stable syringe is held, and when the closing plate 2 is lowered, the pulling piece 6 for supporting the closing plate 2 is rotated outwards under the action of pressure, and the pulling piece 6 rotated outwards can facilitate the clamping rod 405 to carry the first clamping block 404 and the second clamping block 402 to be separated.

Embodiment III:

Referring to fig. 6-7, as a further improvement of the first embodiment or the second embodiment, the device further comprises a positioning unit 7, the positioning unit 7 comprises a positioning disc 705 sleeved on the surface of the insertion section 103, a positioning rod 704 is arranged on the positioning disc 705, the top of the positioning rod 704 movably penetrates through the closing plate 2, a mounting plate 702 is fixedly connected to the top of the positioning rod 704, an adjusting screw 701 penetrates through the screw thread of the mounting plate 702, a butt nut 703 is arranged on the closing plate 2, an adhesive layer 706 is arranged at the bottom of the positioning disc 705, and scales are arranged on the positioning rod 704.

Wherein the positioning disc 705 may be designed obliquely according to the puncture angle.

When the puncture needle is used in this embodiment, the adjusting screw 701 is not connected with the docking nut 703, namely, the positioning disc 705 is moved outside the insertion section 103, namely, the positioning rod 704 can move through the closing plate 2, the length of the insertion section 103 which can be used for puncture on the puncture needle 1 can be determined through the scale display on the positioning rod 704, and then the position of the positioning disc 705 can be locked by rotating the adjusting screw 701 to connect with the docking nut 703, so as to control the puncture depth.

This embodiment requires that the adjusting screw 701 be turned to disengage the docking nut 703 before lowering the closure plate 2.

The above is merely an embodiment of the present utility model, and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present utility model are intended to be included within the scope of the claims of the present utility model.

Claims

1. A cardiovascular interventional puncturing device, comprising:

The puncture needle (1) is sequentially divided into a mounting section (101), a closing section (102) and an inserting section (103), wherein the mounting section (101) is used for connecting a syringe injection medium, and the inserting section (103) is used for puncturing a blood vessel;

The medical rubber tube is characterized in that the closing section (102) is a medical rubber tube, a closing plate (2) is fixedly connected to the surface, close to the closing section (102), of the mounting section (101), and a fixing plate (3) is fixedly connected to the surface, close to the closing plate (2), of the inserting section (103);

A closing unit (4) for closing the closing section (102) and a supporting unit for supporting the closing section (102) are arranged between the closing plate (2) and the fixing plate (3).

2. A cardiovascular interventional puncturing device as defined in claim 1, wherein: the closing unit (4) comprises two clamping blocks (403) symmetrically arranged on the fixed plate (3), the bottoms of the two clamping blocks (403) are in sliding connection with the fixed plate (3) through connecting rods (406), sliding grooves for the sliding of the connecting rods (406) are formed in the fixed plate (3), and springs (407) are arranged in the sliding grooves.

3. A cardiovascular interventional puncturing device as defined in claim 2, wherein: the top of closure board (2) is equipped with promotes piece (401), the one side that promotes piece (401) towards clamp splice (403) is the inclined plane design, be equipped with on clamp splice (403) with promote the domatic of piece (401) looks adaptation, thereby make two clamp splice (403) push two clamp splice (403) draw close each other through pushing down, close closure section (102) that are located between two clamp splice (403).

4. A cardiovascular interventional puncturing device as claimed in claim 3, wherein: the closing unit (4) further comprises a locking part, the locking part comprises two clamping rods (405) which are arranged on the fixed plate (3) and made of elastic materials, the two clamping rods (405) are positioned on the outer sides of the two connecting rods (406), and a first clamping block (404) is arranged at the top of the clamping rod (405);

One side of the pushing block (401) far away from the clamping block (403) is arranged in a vertical plane, and a second clamping block (402) matched with the first clamping block (404) is fixedly connected to the surface of the pushing block.

5. The cardiovascular interventional puncturing device of claim 4, wherein: the supporting unit is a supporting frame (5) with one side being opened, and the height of the supporting frame (5) is matched with the closing section (102) and the distance between the closing plate (2) and the fixing plate (3).

6. The cardiovascular interventional puncturing device of claim 4, wherein: the supporting unit is a poking piece (6), the poking piece (6) is hinged to the top of the clamping rod (405) through a hinge, and the top of the poking piece (6) is attached to the bottom of the closing plate (2).

7. The cardiovascular interventional puncturing device of claim 6, wherein: the top of the poking piece (6) is outwards bent to be in an arc-shaped design.

8. A cardiovascular interventional puncturing device as defined in claim 1, wherein: the positioning device is characterized by further comprising a positioning unit (7), wherein the positioning unit (7) comprises a positioning disc (705) sleeved on the surface of the insertion section (103), a positioning rod (704) is arranged on the positioning disc (705), the top of the positioning rod (704) movably penetrates through the closing plate (2), the top of the positioning rod (704) is fixedly connected with a mounting plate (702), an adjusting screw (701) penetrates through the mounting plate (702) in a threaded manner, and a butt joint nut (703) is arranged on the closing plate (2).

9. A cardiovascular interventional puncturing device as set forth in claim 8, wherein: the bottom of the positioning disc (705) is provided with an adhesive layer (706), and the positioning rod (704) is provided with scales.