CN209059288U - Aortic root is vented needle device - Google Patents

Abstract

The utility model relates to a kind of aortic roots to be vented needle device, including syringe needle, the syringe needle includes the frame structure positioned at lower part, the frame structure is launched into triangle by the deployable archwise of stretching structure or knob structure, film is provided in the frame structure, the outer surface of the syringe needle, which is located above frame structure, is provided with arc or scarf flank, after the frame structure is inserted into aorta, the frame structure is clamped aorta wall by forming clamping effect with the flank after stretching structure or knob structure expansion, it is exhaust needle entrance at the top of frame structure after expansion, positioned at the highest point of aorta lumen, the film is unfolded to form the arch that can intercept bubble or triangle stops film.The utility model aortic root is vented needle device design simply, punctures and causes voluntarily fix in aortic root, does not need to suture, and exhaust sufficiently, and can observe blood in real time and situation is discharged, and avoid pollution caused by discharge blood splashing.

Description

Aortic root is vented needle device

Technical field

The utility model relates to the field of medical instrument technology, espespecially a kind of aortic root is vented needle device.

Background technique

At the end of open-heart surgery, the discharge of heart intracavity gas is the important operation of operation, can prevent gas Cause cerebral embolism etc. into brain tissue.

The method for exhausting of the past is the exhaust of aortic root contact pin, and bubble flows out from syringe needle, but is not most at needle point High point, part bubble can flow to a distant place along aorta wall, may cause distal end aeroembolism.

In addition someone pulls out syringe needle after bundle takes pinprick, makes pinprick highest point, allows blood to flow out from pinprick, to prevent Blood sprays, and covers gauze and stop to prevent blood splashing above pinprick.Because the good toughness of aorta wall, has and voluntarily closes The possibility of conjunction, and be difficult to find at the first time after gauze covering, it causes gas that cannot be discharged, leads to distal end aeroembolism.

Therefore, how to design and a kind of can solve that existing exhaust is insufficient, observation is inconvenient, blood splashing aortic root Portion's exhaust needle device is the project that the present inventor concentrates on studies.

Utility model content

In order to overcome the above technical problems, the purpose of this utility model is to provide a kind of aortic root exhaust needle dresses It sets, structure design is simple, punctures and causes voluntarily fix in aortic root, do not need to suture, is vented sufficiently, and can be real-time It observes blood and situation is discharged, and avoid pollution caused by discharge blood splashing.

To achieve the goals above, the utility model provides a kind of aortic root exhaust needle device, including syringe needle, The syringe needle includes the frame structure positioned at lower part, and the frame structure passes through the deployable archwise of stretching structure or knob knot Structure is launched into triangle, and film is provided in the frame structure, and the outer surface of the syringe needle, which is located above frame structure, to be set Be equipped with arc or scarf flank, after the frame structure is inserted into aorta, the frame structure by stretching structure or Clamping effect is formed with the flank after knob structure expansion to clamp aorta wall, is exhaust at the top of the frame structure after expansion Needle entrance, positioned at the highest point of aorta lumen, the film is unfolded to form the arch that can intercept bubble or triangle stops film.

Preferably, the syringe needle upper end is connected with exhaust pipe, and the horizontal segment of the exhaust pipe, which is equipped with, runs through tube wall upper and lower end Peep hole.

Preferably, the suspension end that the exhaust pipe is located at horizontal segment is equipped with arc deflector.

Preferably, the frame structure includes multiple tube coupling structures, and each tube coupling structure is managed by arrange above and below first Body and the second tube body hingedly form, and after frame structure expansion, the frame structure is upswept frame.

Preferably, the stretching structure includes lifting block, and the lifting block is located at the lower end of the second tube body, the lifting block Upper end is connected with pull rod.

Preferably, the upper end connecting rod handle of the pull rod, the pull rod that the pull rod handle is fixed on syringe needle upper end are solid Determine in structure.

Preferably, the pull rod fixed structure includes the open slot for being set to syringe needle upper end, the open slot upper end setting There is card slot, when the frame structure is undeployed, the pull rod handle is placed on the open slot, when the frame structure exhibition After opening, the pull rod handle is placed on card slot.

Preferably, the frame structure includes multiple tube bodies, multiple tube bodies by the knob structure it is deployable at The interior lateral margin of triangle, multiple tube bodies is connected with the film.

Preferably, the knob structure include across needle lumen lead screw and be respectively arranged at the lifting of each tube cavity Bar, the upper end of each lifting rod are respectively arranged with gear, and the gear is articulated with tube body upper end, the screw thread of the lead screw lower end It is engaged with multiple gears, when lead screw rotation, the gear can be driven to rotate clockwise or counterclockwise, to drive The two sides tube body expansion folds.

Preferably, the lead screw upper end is connect after passing through syringe needle with knob.

After adopting the above scheme, the utility model aortic root exhaust needle device is by said structure design, have with It is lower the utility model has the advantages that

1, the exhaust outlet of exhaust needle is located at highest point in aorta lumen, aorta air entrapment can be sufficiently discharged, opened up Film after opening for arch or gore intercepts bubble；

2, discharge blood circumstance can be observed in real time by being set to the peep hole of exhaust pipe horizontal segment in doctor, without causing Blood splashing；

3, aortic root exhaust needle device is fixed, exempts from suture and fixes, not easily to fall off.

Detailed description of the invention

Fig. 1 is one structural schematic diagram of the utility model aortic root exhaust needle Installation practice；

Fig. 2 is unfolded state structural schematic diagram in one use of the utility model aortic root exhaust needle Installation practice；

Fig. 3 is the structural schematic diagram of the utility model aortic root exhaust needle Installation practice two.

Specific embodiment

Below with reference to the accompanying drawings illustrate the embodiments of the present invention.In an attached drawing of the utility model or a kind of implementation Elements and features described in mode can be with elements and features shown in one or more other drawings or embodiments It combines.It should be noted that for purposes of clarity, attached drawing and it is omitted that unrelated with the utility model, this field is general in illustrating The expression and description of component known to logical technical staff or processing.

The utility model aortic root exhaust needle device is described further with reference to the accompanying drawing.

The structural schematic diagram of the utility model aortic root exhaust needle Installation practice one as shown in Figure 1, including syringe needle, Syringe needle includes the frame structure positioned at lower part, and frame structure passes through the deployable archwise of stretching structure.Frame structure includes multiple Tube coupling structure 1, each tube coupling structure 1 are hingedly made of the first tube body 2 arranged above and below and the second tube body 3.When frame structure is mentioning After the lower expansion of pull-up structure effect, frame structure expands into upswept frame.Film 4 is provided in frame structure, film 4 is in frame knot The arch obstruction film that can intercept bubble is formed after structure expansion.The outer surface of syringe needle, which is located above frame structure, is provided with arc Flank 5, as shown in connection with fig. 2, when frame structure be inserted into aorta 6 after, frame structure by stretching structure expansion after with 5 shape of flank It is acted at clamping and clamps the wall of aorta 6, be exhaust needle entrance at the top of the frame structure after expansion, most positioned at aorta lumen High point.Stretching structure includes triangle lifting block 7, and lifting block 7 is located at the lower end of multiple second tube bodies 3, and the upper end of lifting block 7 connects Connect pull rod 8.The upper end connecting rod handle 9 of pull rod 8, pull rod handle 9 is fixed on the pull rod fixed structure of syringe needle upper end.Pull rod Fixed structure includes the open slot 10 for being set to syringe needle upper end, and 10 upper end of open slot is provided with card slot 11, when frame structure is not opened up When opening, pull rod handle 9 is placed on open slot 10, and after frame structure expansion, pull rod handle 9 is placed on card slot 11.

The upper end of syringe needle is connected with the exhaust pipe 12 of inverted L-shaped, and the horizontal segment position of exhaust pipe 12 is equipped with peep hole 13.Exhaust The suspension end that pipe 11 is located at horizontal segment is equipped with arc deflector 14.

In use, being promoted in frame structure insertion 6 inner cavity of aorta of the syringe needle lower part of the exhaust needle device draw later Bar handle 9, pull rod handle 9 drive lifting block 7 to move upwards frame structure is made to separate to form upswept frame, and with outside aorta 6 The arc flank 5 in face forms clamping effect, is exhaust needle entrance at the top of the frame structure after expansion, is located at aorta lumen highest Point, the film 4 among frame structure are unfolded, and form arch and stop film, tube body 2 and flank 5 respectively in the medial and lateral of aorta 6, It prevents from falling off by clamping effect.

As shown in figure 3, the structural schematic diagram of the utility model aortic root exhaust needle Installation practice two, including needle Head, syringe needle include the frame structure positioned at lower part, and frame structure is deployable at triangle by knob structure.

Frame structure includes the tube body 15 positioned at two sides, and two sides tube body 15 is deployable at triangle by stretching structure, and two The lower end of side pipe body 15 connects film 4, and film 4 forms the triangle obstruction film that can intercept bubble after frame structure expansion. The outer surface of syringe needle, which is located above frame structure, is provided with scarf flank 5, after frame structure is inserted into aorta, frame knot Structure forms clamping effect with flank 5 after being unfolded by knob structure and clamps aorta wall, is at the top of the frame structure after expansion Exhaust needle entrance, positioned at the highest point of aorta lumen.Knob structure include across needle lumen lead screw 16 and be respectively arranged at The lifting rod 17 of each 15 inner cavity of tube body, the upper end of each lifting rod 17 are respectively arranged with gear 18, and gear 18 is hinged by articulated shaft In the inner cavity upper end of tube body 15, the screw thread of 16 lower end of lead screw is engaged with multiple gears 18, when lead screw 16 rotates, can drive each tooth Wheel 18 rotates clockwise or counterclockwise, so that two sides tube body 15 be made to be unfolded or fold.

Preferably, the upper end of lead screw 16 is connect after passing through syringe needle with knob 19.

In use, knob 19 is rotated after the frame structure of the syringe needle lower part of the exhaust needle device is inserted into aorta inner cavity, Knob 19 drives each gear 18 to rotate, and rotates lifting rod 17 centered on articulated shaft and each tube body 15 is driven to rotate, make frame knot Structure separates to form triangle, and forms clamping effect with the flank 5 outside aorta, is exhaust at the top of the frame structure after expansion Needle entrance is located at aorta lumen highest point, and the film 4 of frame structure bottom end connection is unfolded, and forms triangle and stops film, flank 5 It is attached on the outer wall of aorta 6, and form clamping effect with the tube body of inside 15 to prevent from falling off.

Although the utility model and its advantage has been described in detail it should be appreciated that without departing from by appended right Various changes, substitution and transformation can be carried out in the case where the spirit and scope of the present invention defined by it is required that.Moreover, the application Range be not limited only to the specific embodiment of process, equipment described in specification, means, method and steps.In the art Those of ordinary skill from the disclosure of the utility model it will be readily understood that according to the utility model can be used execution with herein The essentially identical function of the corresponding embodiment or obtain the result essentially identical with it, existing and future it is to be developed Process, equipment, means, method or step.Therefore, the attached claims are intended in the range of them include such Process, equipment, means, method or step.

Claims (10)

1. a kind of aortic root is vented needle device, which is characterized in that including syringe needle, the syringe needle includes the frame positioned at lower part Structure, the frame structure are launched into triangle, the frame by the deployable archwise of stretching structure or by knob structure Film is provided in frame structure, the outer surface of the syringe needle, which is located above frame structure, is provided with arc or scarf flank, When the frame structure be inserted into aorta after, the frame structure by stretching structure or knob structure expansion after with the side Wing act at clamping clamps aorta wall, is exhaust needle entrance at the top of the frame structure after expansion, positioned at aorta lumen Highest point, the film is unfolded to form the arch that can intercept bubble or triangle stops film.

2. aortic root according to claim 1 is vented needle device, which is characterized in that the syringe needle upper end is connected with row Tracheae, the horizontal segment of the exhaust pipe are equipped with the peep hole through tube wall upper and lower end.

3. aortic root according to claim 2 is vented needle device, which is characterized in that the exhaust pipe is located at horizontal segment Suspension end be equipped with arc deflector.

4. aortic root described in one of -3 is vented needle device according to claim 1, which is characterized in that the frame structure packet Multiple tube coupling structures are included, each tube coupling structure is hingedly made of the first tube body arranged above and below and the second tube body, when the frame After the expansion of frame structure, the frame structure is upswept frame.

5. aortic root according to claim 4 is vented needle device, which is characterized in that the stretching structure includes lifting Block, the lifting block are located at the lower end of the second tube body, and the lifting block upper end is connected with pull rod.

6. aortic root according to claim 5 is vented needle device, which is characterized in that the upper end of the pull rod, which connects, draws Bar handle, the pull rod handle are fixed on the pull rod fixed structure of syringe needle upper end.

7. aortic root according to claim 6 is vented needle device, which is characterized in that the pull rod fixed structure includes It is set to the open slot of syringe needle upper end, the open slot upper end is provided with card slot, when the frame structure is undeployed, the drawing Bar handle is placed on the open slot, and after frame structure expansion, the pull rod handle is placed on card slot.

8. aortic root described in one of -3 is vented needle device according to claim 1, which is characterized in that the frame structure packet Multiple tube bodies are included, multiple tube bodies are deployable at triangle by the knob structure, and the interior lateral margin of multiple tube bodies connects It is connected to the film.

9. aortic root according to claim 8 is vented needle device, which is characterized in that the knob structure include across The lead screw of needle lumen and the lifting rod for being respectively arranged at each tube cavity, the upper end of each lifting rod are respectively set with teeth Wheel, the gear are articulated with tube body upper end, and the screw thread of the lead screw lower end is engaged with multiple gears, when the lead screw rotates When, the gear can be driven to rotate clockwise or counterclockwise, so that the two sides tube body be driven to be unfolded or fold.

10. aortic root according to claim 9 is vented needle device, which is characterized in that the lead screw upper end passes through needle It is connect after head with knob.