CN208404784U - Abdominal cavity puncture needle - Google Patents

Abstract

The utility model provides an abdominal cavity pjncture needle, including puncture needle tubing, guide needle core and handheld seat, guide needle core suit is intraductal at the puncture needle, and puncture needle tubing one end links to each other with handheld seat is fixed, and guide needle core one end is passed puncture needle tubing and is outwards extended, and the guide needle core resets through elasticity between the seat and links to each other, and the guide needle core includes the needle bar and extends fashioned needle point from the needle bar, is equipped with the flexible connection section between needle bar and the needle point. The utility model discloses an adopt pjncture needle, the structure that guide needle core and handheld seat combined together, the cooperation designs into the needle bar with the guide needle core, flexible connection section and needle point structure, the intensity that utilizes the flexible connection section will be less than the intensity of needle bar and needle point, when the needle point meets the barrier at the puncture in-process, produce deformation through the flexible connection section, change the needle point direction, thereby avoid the needle point directly to touch with the barrier of abdominal cavity, bring uncomfortable sense or draw forth other potential safety hazards for the disease, improve puncture efficiency.

Description

A kind of abdominal puncture needle

Technical field

The utility model relates to the field of medical instrument technology, more particularly, to a kind of abdominal puncture needle.

Background technique

Laparoscopic surgery has wound few, and pain suffered by patient is few, and infection of incisional wound and disunion risk are small, post-operative recovery Fastly, the advantages that wound is concealed, rear beautiful, more and more doctors and patient are ready the operation side of selection Laparoscopic operation Formula.But it as laparoscope is in various surgical popularizations, inevitably needs to capture many problems.For example, after surgery, people The abdominal cavity of body has sepage or haemolysis, if not discharging it in vitro, the state of an illness of human body can be made continuous worsening, therefore would generally be in abdominal cavity Connect a drainage tube, one end is seated in intraperitoneal, and the other end penetrates stomach wall and is fixed on stomach wall, and external sterile drainage bag is kept Several days, intraperitoneal hydrops is discharged, so that the generation of complication is reduced, if there is internal haemorrhage, by the drainage tube with regard to observable It arrives, and takes timely measure and handled, or inject various therapeutic agents from drainage tube, abdominal cavity punching can also be carried out by drainage tube It washes, drainage tube is connect into the sterile solutions such as physiological saline and is rinsed, the Inflammatory substances remained in abdominal cavity are drained into abdominal cavity.

Currently, since drainage tube is hose in the method that stomach wall connects drainage tube, it is difficult to it is straight that drainage tube be passed through hole It patches in human body, it is necessary to insert one on drainage tube and wear and connect needle, wear and connect the needle point of needle and be placed in by stomach wall wound, by drainage tube It imports intraperitoneal, wears and connect the needle point of needle and be pierced by again by the appropriate place of stomach wall, wear some tube head of the drainage tube for connecing needle wait connect When exposing outside human body, it will wear and connect needle and pull up, and drainage tube will be fixed on stomach wall, or be fixed with safty pin, in order to avoid abjection or sliding Enter it is intraperitoneal, it is so existing to wear the hard needle for connecing that needle is a rigidity, for long straight shape or be in arcuation, penetrated in human body when being pierced by, Can hinder to wear because of internal organs connects needle advance, wear connect needle because shape for fix, can not random variation, make connect drainage tube process stop up Find it difficult row.

Therefore, the abdominal puncture needle that a kind of structure is simple, can change shape according to the actual situation how is invented, raising is become The key of abdominal puncture and drainage.

Utility model content

The utility model provides a kind of abdominal puncture needle, and barrier is encountered in puncture process to solve upper existing abdominal puncture needle Hinder object that can not carry out random variation and makes the technical issues of puncturing inconvenience and causing sense of discomfort to patient.

One aspect according to the present utility model provides a kind of abdominal puncture needle, including punctures needle tubing, guiding needle core and hand Seat is held, the guid needle core retainer plate is in the puncture needle tubing, and described puncture needle tubing one end is fixedly linked with the hand-held seat, institute Guiding needle core one end is stated to extend outwardly across the puncture needle tubing, it is multiple by elasticity between the guiding needle core and the hand-held seat Position part is connected, and the guiding needle core includes shank and the needle point from the shank elongation moulding, the shank and the needle point Between be equipped with one flexible connection section, it is described flexible connection section physical dimension be less than the shank physical dimension.

On the basis of above scheme preferably, the shank is cylindrical, and the outer diameter of the flexible connection section is less than the needle The outer diameter of bar.

On the basis of above scheme preferably, one end periphery that the shank is connect with the flexible connection section forms circle Column is bored, and the circular cone column is tapered from the shank to the needle point direction.

It on the basis of above scheme preferably, further include interconnecting piece, the interconnecting piece is from the shank far from the needle point One end elongation moulding.

On the basis of above scheme preferably, the interconnecting piece is equipped with connection buckle.

On the basis of above scheme preferably, the needle point is integrally formed with the shank.

On the basis of above scheme preferably, the guiding needle core is steel alloy.

On the basis of above scheme preferably, the guiding needle core is equipped with leader close to one end of the hand-held seat.

On the basis of above scheme preferably, a buffer body is equipped between the hand-held seat and the handle.

On the basis of above scheme preferably, the puncture needle tubing is flexible hose.

A kind of abdominal puncture needle of the utility model, the knot combined by using puncture needle, guiding needle core with hand-held seat Guiding needle core is designed to shank, flexible connection section and needle point structure by structure, cooperation, and the intensity using flexible connection section is less than needle The intensity of bar and needle point generates deformation by flexible connection section, changes needle point when needle point meets with obstruction object in puncture process Bring sense of discomfort or the other safety of extraction hidden to sufferer so that needle point be avoided directly to touch with intraperitoneal obstruction in direction Suffer from, improves and puncture efficiency.

Detailed description of the invention

Fig. 1 is a kind of cross-sectional view of abdominal puncture needle of the utility model；

Fig. 2 is the perspective view of the guiding needle core of the utility model；

Fig. 3 is the cross-sectional view of the guiding needle core of the utility model；

In figure: 10, puncturing needle tubing；20, needle core is guided；21, shank；22, needle point；23, it is flexibly connected section；24, circular cone column； 25, handle；30, buffer body；31, seat is held；32, dynamic clamping head and quiet clamping head；40, interconnecting piece.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

Referring to Fig. 1, and combine shown in Fig. 2 and Fig. 3, the utility model provides a kind of abdominal puncture needle, including punctures Needle tubing 10, guiding needle core 20 and hand-held seat 31.

Wherein, guiding needle core 20, which is sleeved on, punctures in needle tubing 10, punctures 10 one end of needle tubing and is fixedly linked with hand-held seat 31, leads 20 one end of draw pin core passes through puncture needle tubing 10 and extends outwardly, and guides and passes through 32 phase of dynamic clamping head and quiet clamping head between needle core 20 and hand-held seat 31 Even, and guiding needle core 20 includes shank 21 and the needle point 22 from 21 elongation moulding of shank, and one is equipped between shank 21 and needle point 22 It is flexibly connected section 23, the physical dimension of flexible connection section 23 is less than the physical dimension of shank 21.

In use, when needle point 22 is by external forces, active force is transferred to when guiding needle core 20 meets with obstruction object It is flexibly connected section 23, since the intensity of flexible connection section 23 is smaller than needle point 22 and shank 21, flexible connection section 23 can produce Raw deformation, the direction so as to cause needle point 22 changes, avoids needle point 22 from directly continuing to touch with intraperitoneal obstruction, give Sufferer brings sense of discomfort or draws other security risks, improves and punctures efficiency.

Preferably, the shank 21 of the utility model is cylindrical, and the outer diameter of flexible connection section 23 is less than the outer of shank 21 Diameter.

Further, in order to avoid shank 21 and flexible connection section 23 junction formed step, influence patient using relax Appropriateness, the utility model design one end periphery that shank 21 is connect with flexible connection section 23 in circular cone column 24, and the circular cone Column 24 is tapered from the shank 21 to 22 direction of needle point.

In another preferred embodiment of the utility model, the utility model further includes interconnecting piece 40, and interconnecting piece 40 is from needle One end elongation moulding of the bar 21 far from the needle point 22, and connection buckle is equipped on interconnecting piece 40, handle 25 and shank 21 are logical The connection buckle crossed on interconnecting piece 40 is connected.

Preferably, the needle point 22 of the utility model is integrally formed with shank 21, and the guiding needle core 20 is steel alloy.

The utility model is also equipped with leader 25 close to one end of hand-held seat 31 in guiding needle core 20 for operating easily, And it is equipped with a buffer body 30 between hand-held seat 31 and handle 25, using the effect of buffer body 30, reduce guiding needle core 20 Amount of relative motion improves its usage comfort, it is preferred that the puncture needle tubing 10 is flexible hose.

Finally, the present processes are only preferable embodiment, it is not intended to limit the protection scope of the utility model. Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in this reality Within novel protection scope.

Claims (10)

1. a kind of abdominal puncture needle, which is characterized in that including puncturing needle tubing, guiding needle core and hand-held seat, the guid needle core retainer plate In the puncture needle tubing, described puncture needle tubing one end is fixedly linked with the hand-held seat, and described guiding needle core one end passes through The puncture needle tubing extends outwardly, and is connected between the guiding needle core and the hand-held seat by dynamic clamping head and quiet clamping head, and described leads Draw pin core includes shank and the needle point from the shank elongation moulding, and a flexible connection is equipped between the shank and the needle point The physical dimension of section, the flexible connection section is less than the physical dimension of the shank.

2. a kind of abdominal puncture needle as described in claim 1, which is characterized in that the shank is cylindrical, and the flexibility is even The outer diameter for connecing section is less than the outer diameter of the shank.

3. a kind of abdominal puncture needle as claimed in claim 2, which is characterized in that the shank is connect with the flexible connection section One end periphery form circular cone column, and the circular cone column is tapered from the shank to the needle point direction.

4. a kind of abdominal puncture needle as claimed in claim 3, which is characterized in that further include interconnecting piece, the interconnecting piece is from institute State one end elongation moulding of the shank far from the needle point.

5. a kind of abdominal puncture needle as claimed in claim 4, which is characterized in that the interconnecting piece is equipped with connection buckle.

6. a kind of abdominal puncture needle as described in claim 1, which is characterized in that the needle point and the shank are integrated into Type.

7. a kind of abdominal puncture needle as claimed in claim 6, which is characterized in that the guiding needle core is steel alloy.

8. a kind of abdominal puncture needle as described in claim 1, which is characterized in that the guiding needle core is close to the hand-held seat One end is equipped with leader.

9. a kind of abdominal puncture needle as claimed in claim 8, which is characterized in that setting between the hand-held seat and the handle There is a buffer body.

10. a kind of abdominal puncture needle as described in claim 1, which is characterized in that the puncture needle tubing is flexible hose.