CN218247340U - Medical puncture ware with adjustable length - Google Patents

Abstract

The utility model discloses a length-adjustable medical puncture outfit, which comprises a holding seat, a puncture core and a puncture sleeve, wherein the puncture core is movably connected in the puncture sleeve in a penetrating way; the puncture cannula comprises a first connecting tube section and a second connecting tube section, one end of the first connecting tube section is connected with the holding seat, and the other end of the first connecting tube section is detachably connected with the second connecting tube section; the other end of the second connecting pipe section is formed as a piercing end. The length-adjustable medical puncture outfit of the utility model can adjust the puncture length according to the actual needs.

Description

Medical puncture ware with adjustable length

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a medical puncture ware with adjustable length.

Background

Currently, a puncture instrument is a surgical instrument for establishing an access into the abdominal cavity, and comprises a puncture core and a puncture cannula. In a specific operation process, a doctor generally opens a small opening on the abdomen of a patient, and then moves a puncture core of the puncture outfit downwards while aligning the puncture core with the small opening to rotate in a reciprocating manner, so that one end of a puncture cannula is driven to enter the abdominal cavity of the patient, after the puncture is completed, the puncture core is pulled out of the puncture cannula, and the puncture cannula forms a passage for other surgical instruments to enter and exit.

In order to enlarge the space of the abdominal cavity and increase the distance between tissues, thereby being more beneficial to the operation, after the puncture is completed, the air is injected into the abdominal cavity through a channel formed by the puncture cannula, therefore, an air injection valve is required to be arranged on the puncture cannula, after the air injection is finished, the air injection valve is closed, and the interior of the puncture cannula is sealed, thereby ensuring the stability of pneumoperitoneum and facilitating the operation of doctors.

However, the length of the cannula of the existing puncture outfit is fixed, the puncture length can not be selected according to the actual requirement, and the puncture cores with different lengths are matched with different puncture cannulas for use, thereby causing resource waste.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a medical puncture outfit with adjustable length, the puncture length of which can be adjusted according to actual needs.

The purpose of the utility model is realized by adopting the following technical scheme:

a length-adjustable medical puncture outfit comprises a holding seat, a puncture core and a puncture cannula, wherein the puncture core is movably connected in the puncture cannula in a penetrating way; the puncture cannula comprises a first connecting tube section and a second connecting tube section, one end of the first connecting tube section is connected with the holding seat, and the other end of the first connecting tube section is detachably connected with the second connecting tube section; the other end of the second connecting pipe section is formed as a piercing end.

Furthermore, a puncture channel is arranged in the holding seat, and the first connecting pipe section is in threaded connection with the puncture channel.

Furthermore, both sides of the holding seat are provided with holding arms, and the holding arms are used for abutting against the outer wall of the first connecting pipe section when the first connecting pipe section is screwed to the holding seat.

Further, the inner side of the grasping arm is provided with a plurality of grasping teeth; the plurality of gripping teeth are provided at intervals in the height direction of the gripping arm.

Furthermore, the number of the second connecting pipe sections is at least two, and two adjacent second connecting pipe sections are detachably connected.

Furthermore, two adjacent second connecting pipe sections are connected through a silica gel sleeve.

Furthermore, the puncture end is equipped with the puncture arm, the puncture arm is by being close to first connecting tube section one end to keeping away from the one end of first connecting tube section and inwards slope gradually.

Furthermore, the two ends of the puncture arm are connected with the second connecting pipe section, and the middle end of the puncture arm and the outer wall of the second connecting pipe section are arranged at intervals.

Compared with the prior art, the beneficial effects of the utility model reside in that: when the puncture cannula is used, the length of the puncture cannula can be adjusted by using the first connecting pipe section and the second connecting pipe section to be detachable, and the puncture cannula is wider in application range.

Drawings

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

fig. 2 is a schematic structural view of another state of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 10. a hand-held seat; 11. a grip arm; 111. a gripping tooth; 20. a first connecting pipe section; 30. a second connecting pipe section; 31. a puncture end; 32. a piercing arm; 40. a silica gel sleeve.

Detailed Description

The invention will be further described with reference to the following drawings and detailed description:

in the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1, 2 and 3, the medical puncture outfit with adjustable length comprises a holding seat, a puncture core and a puncture cannula, wherein the puncture core can movably penetrate through the puncture cannula. The puncture cannula includes a first connection pipe section 20 and a second connection pipe section 30, one end of the first connection pipe section 20 is connected with the holder, and the other end of the first connection pipe section 20 is detachably connected with the second connection pipe section 30, and the other end of the second connection pipe section 30 is formed as a puncture tip 31.

On the basis of the structure, use the utility model discloses a during medical puncture ware with adjustable length, aim at human incision with the puncture core of puncture ware, then puncture sheathed tube puncture end 31 can get into patient's abdominal cavity inside, accomplishes the puncture back, extracts the puncture core from puncture sleeve pipe, and puncture sleeve pipe forms the passageway of other surgical instruments business turn over.

Specifically, when the puncture depth required by the operation is deep, the first connection pipe section 20 and the second connection pipe section 30 can be connected during the operation, and the puncture operation is performed through the puncture end 31 of the second connection pipe section 30, and when the puncture depth required by the operation is shallow, the second connection pipe section 30 and the first connection pipe section 20 can be detached, and because the first connection pipe section 20 is connected with the holder, the puncture end 31 can be formed at the end part of the first connection pipe section 20 far away from the holder, so that the puncture operation can be performed.

Because during the puncture operation, the hand can be held in the holding seat connected with the first connecting pipe section 20, the hand operation is convenient, specifically, a plurality of anti-skidding lines can be arranged on the holding seat, when the hand is held, the friction force between the hand and the holding seat can be increased by the plurality of anti-skidding lines, the slipping during the operation is prevented, and the operation process is more stable.

It should be noted that the anti-slip pattern may be a raised pattern formed on the surface of the grip holder by machining, or may be a pattern formed by machining a groove on the surface of the grip holder, which may both achieve anti-slip.

Further, a puncture channel can be arranged in the holding seat and can be connected with the puncture core in a penetrating mode, on the basis of the structure, the first connecting pipe section 20 is in threaded connection with the puncture channel, specifically, an internal thread section can be arranged on the inner wall of the puncture channel, an external thread section is arranged at the end portion corresponding to the first connecting pipe section 20, when the first connecting pipe section 20 is assembled with the holding seat, threaded assembly of the external thread section and the internal thread section can be achieved, and due to the fact that threaded connection can also be achieved, the length of the first connecting pipe section 20 in a screwing mode or in-out mode can be adjusted in the rotating process, the overall length of the first connecting pipe section 20 and the holding seat can be adjusted, and therefore fine adjustment of the whole puncture sleeve can be achieved through threaded rotation.

Furthermore, the two sides of the holding base can be provided with the holding arms 11, specifically, after the first connecting pipe section 20 is screwed with the holding base, the holding arms 11 can abut against the outer wall of the first connecting pipe section 20, that is, after the first connecting pipe section 20 is assembled with the holding base, the holding arms 11 on the two sides of the holding base abut against the outside of the first connecting pipe section 20, so that the assembly structure is more stable. Specifically, the grip arm 11 may be implemented by an elastic piece, which may provide an elastic stress near the first connecting pipe segment 20 so that the grip arm 11 may maintain an abutting state.

More specifically, the inner side of the grasping arm 11 is provided with a plurality of grasping teeth 111, and the plurality of grasping teeth 111 are arranged at intervals in the height direction of the grasping arm 11, so that when the grasping arm 11 abuts against the outer wall of the first connecting pipe section 20, the plurality of grasping teeth 111 can abut against the outer wall of the first connecting pipe section 20, and the tooth-shaped structure can increase the friction force of the inner wall of the grasping arm 11, so that the friction force between the grasping arm 11 and the first connecting pipe section 20 can be increased, and the abutting structure is more stable.

Further, in this embodiment, at least two second connecting pipe sections 30 are provided, and two adjacent second connecting pipe sections 30 are detachably connected, so that the overall length of the puncture cannula may be composed of the first connecting pipe section 20 and at least two second connecting pipe sections 30, and when the length is adjusted, the length of the puncture cannula may be implemented by connecting the first connecting pipe section 20 with one second connecting pipe section 30, or by connecting the first connecting pipe section 20 with two second connecting pipe sections 30, or by connecting the first connecting pipe section 20 with three second connecting pipe sections 30, and specifically, the puncture cannula may be implemented by performing dismounting and adjusting according to actual needs.

It should be noted that the detachable connection between two adjacent second connecting pipe sections 30 may be a threaded connection, or a plug-in fit to achieve the detachable connection.

More specifically, the two adjacent second connecting pipe sections 30 are connected by the silicone sleeve 40, that is, after the two adjacent second connecting pipe sections 30 are assembled, the silicone sleeve 40 is sleeved on the joint of the two adjacent second connecting pipe sections 30, so that the joint is smoother, and the injury is reduced when the human body contacts the joint.

Further, still can be equipped with puncture arm 32 at puncture end 31, this puncture arm 32 can be by being close to first connecting tube section 20 one end to keeping away from the one end of first connecting tube section 20 and slope inwards gradually, promptly in the puncture process, can be through the puncture arm 32 of slope setting guide and penetrate, puncture arm 32 can stretch into the in-process flaring in the process gradually, puncture more smoothly.

More specifically, the two ends of the puncturing arm 32 are connected to the second connecting section 30, and the middle end of the puncturing arm 32 is spaced from the outer wall of the second connecting section 30, that is, after the puncturing arm 32 is assembled, the puncturing arm 32 and the second connecting section 30 can form a space, and the puncturing arm 32 can have a retraction space when being stressed, so as to prevent the puncturing arm 32 from being jammed due to the structure thereof and causing injury to the human body.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (8)

1. A length-adjustable medical puncture outfit comprises a holding seat, a puncture core and a puncture cannula, wherein the puncture core is movably connected in the puncture cannula in a penetrating way; the puncture cannula is characterized by comprising a first connecting tube section and a second connecting tube section, wherein one end of the first connecting tube section is connected with the holding seat, and the other end of the first connecting tube section is detachably connected with the second connecting tube section; the other end of the second connecting pipe section is formed as a piercing end.

2. The length-adjustable medical puncture instrument according to claim 1, wherein a puncture channel is provided in the holder, and the first connecting tube section is in threaded connection with the puncture channel.

3. The length-adjustable medical puncture instrument according to claim 2, wherein the grip holder is provided with grip arms on both sides thereof, the grip arms being adapted to abut against an outer wall of the first connection tube section when the first connection tube section is screwed to the grip holder.

4. The length-adjustable medical puncture instrument according to claim 3, wherein the grip arm is provided at an inner side thereof with a plurality of grip teeth; the plurality of gripping teeth are provided at intervals in the height direction of the gripping arm.

5. The adjustable length medical puncture instrument according to any one of claims 1 to 4, wherein at least two second connecting tube segments are provided, and two adjacent second connecting tube segments are detachably connected.

6. The length-adjustable medical puncture instrument according to claim 5, wherein two adjacent second connecting tube sections are connected by a silicone sleeve.

7. The medical puncture instrument with adjustable length of any one of claims 1 to 4, wherein the puncture end is provided with a puncture arm, and the puncture arm is gradually inclined inwards from the end close to the first connecting pipe section to the end far away from the first connecting pipe section.

8. The medical puncture instrument with adjustable length of claim 7, wherein two ends of the puncture arm are connected with the second connecting pipe section, and the middle end of the puncture arm is arranged at a distance from the outer wall of the second connecting pipe section.

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