CN208640843U - A kind of visualization veress needle - Google Patents

Abstract

The utility model discloses a kind of visualization veress needle, apply in medical instruments field, including gas source connector, air valve, active chamber and needle tubing；Needle tubing bottom is the needle point by the end a to the end b in shape obliquely, is equipped with blunt nosed feeler lever inside needle tubing；Blunt nosed feeler lever one end protrudes from needle point, and the other end is connect with the indoor spring of movable chamber, and the end needle tubing a edge is axially arranged with camera and headlamp；Headlamp and camera are symmetrical arranged along ab line；Camera and external display communication connection.It mainly solves laparoscopic surgery and establishes pneumoperitoneum process, it is bad to judge whether to be pierced into abdominal cavity and whether be pierced into abdominal cavity correct position, it is traditional to judge that difficulty is higher by puncturing the experience of fall through sense and patient after entering abdominal cavity, the utility model can make patient be needled into intraperitoneal whole process by visual check pneumoperitoneum, to guarantee precisely and establish pneumoperitoneum without wound.

Description

A kind of visualization veress needle

Technical field

The utility model belongs to medical instruments field, and in particular to a kind of visualization veress needle.

Background technique

Laparoscopic surgery is the huge advance of surgical operation, is widely used in clinical treatment at present, laparoscopic surgery The first step needs to establish pneumoperitoneum with veress needle, judges whether veress needle punctures fall through sense and the art into abdominal cavity after puncturing at present For the experience of person, the patient thicker for stomach wall or the insufficient patient of experience, judge difficult.It is pierced into shallower, rests on skin Under, skin is injured after inflation；Be pierced into relatively then has the risk for stabbing enteron aisle or liver deeply.

Therefore, it is necessary to study a kind of visualization veress needles out, and patient is made to be needled into abdominal cavity by visual check pneumoperitoneum Interior whole process, to guarantee precisely and establish pneumoperitoneum without wound.

Utility model content

In view of this, looking into patient by visualization the purpose of this utility model is to provide a kind of visualization veress needle See that pneumoperitoneum is needled into intraperitoneal whole process, to guarantee precisely and establish pneumoperitoneum without wound.

In order to achieve the above objectives, the utility model provides the following technical solutions:

A kind of visualization veress needle successively includes gas source connector, air valve, active chamber and needle tubing from top to bottom；The needle Bottom of the tube is the needle point by the end a to the end b in shape obliquely, is equipped with blunt nosed feeler lever inside needle tubing；Described blunt nosed feeler lever one end is prominent In needle point, the other end is connect with the indoor spring of movable chamber, and the end needle tubing a edge is axially arranged with camera and headlamp；It is described Headlamp and camera are symmetrical arranged along ab line, and do not protrude ab line；The camera and external display communication connection.

Preferably, the camera is connect by data line and USB interface with external display wire communication.

Preferably, the headlamp by data line and USB interface with external display is wired is electrically connected.

Preferably, the camera and external display are wireless by the signal transit module that active chamber inner wall is arranged in Communication connection.

Preferably, the headlamp with the button cell that active chamber inner wall is arranged in is wired is electrically connected.

Preferably, the headlamp is that optical fiber penetrates a headlamp.

The utility model has the beneficial effects that:

1, enter the process and image information in abdominal cavity, Shu Zheke by headlamp and camera whole process real-time monitoring veress needle By the intuitive visual judgement of external display, which position needle point specifically moves to, and is unlikely to occur to be pierced into shallower stop In the case where subcutaneous, piercing relatively stabs enteron aisle or liver deeply.

2, headlamp and camera are symmetrical arranged by the utility model along ab line, are guaranteeing illumination and camera function In the case of, the diameter of needle tubing is reduced to greatest extent, reduces the size of wound after needle tubing is pierced into.

3, the utility model can be integrally independent by veress needle, and headlamp power supply and the transmission of camera image data are Wireless mode, eliminates all circuit connections, and overall structure is more simplified conveniently.

Detailed description of the invention

In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows Attached drawing is illustrated:

Fig. 1 is one overall structure cross-sectional view of embodiment；

Fig. 2 is the region M partial enlargement diagram in Fig. 1；

Fig. 3 is Fig. 2 bottom view；

Fig. 4 is overall structure cross-sectional view when the blunt nosed feeler lever of embodiment one retracts；

Fig. 5 is two overall structure cross-sectional view of embodiment；

Fig. 6 is three overall structure cross-sectional view of embodiment.

It is marked in attached drawing as follows: gas source connector 1, air valve 2, active chamber 3, signal transit module 31, button cell 32, needle Pipe 4, needle point 5, blunt nosed feeler lever 6, spring 7, camera 8, headlamp 9, data line 10, usb 11.

Specific embodiment

Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.

Embodiment one

Such as Fig. 1~4, a kind of visualization veress needle successively includes gas source connector 1, air valve 2,3 and of active chamber from top to bottom Needle tubing 4；4 bottom of needle tubing is the needle point 5 by the end a to the end b in shape obliquely, is equipped with blunt nosed feeler lever 6 inside needle tubing 4；It is described Blunt nosed 6 one end of feeler lever protrudes from needle point 5, and the other end is connect with the spring 7 in active chamber 3, and the end needle tubing a edge is axially arranged with Camera 8 and headlamp 9；The headlamp 9 and camera 8 are symmetrical arranged along ab line, and do not leak out ab line, i.e., do not surpass (for Fig. 1 and 2 because visual angle relationship can only see camera 8, Fig. 3 shows the distribution feelings of camera 8 and headlamp 9 to needle point 5 out Condition)；The camera 8 and external display communication connection.

The process of pneumoperitoneum is established using visualization veress needle described in the utility model are as follows: by camera 8 and external display Communication connection, while gas source connector 1 being connect with external pneumoperitoneum apparatus, veress needle is in Fig. 1 state at this time, i.e., blunt nosed feeler lever 6 Protrude from needle point 5.Pneumoperitoneum is needled into abdominal cavity by subsequent patient, has just been contacted abdominal cavity and has been pierced into process, and veress needle is in Fig. 4 state, I.e. blunt nosed feeler lever 6 is stopped by skin, overcomes 7 pressure of spring, retracts active chamber 3, and needle point 5 exposes, and punctures and enters abdominal cavity, is entered Behind abdominal cavity, under spring force effect, the blunt nosed rebound of feeler lever 6 protrudes from needle point 5, and veress needle returns to Fig. 1 state.Because entering abdominal cavity Falling through after puncture feels bad judgement, and the whole real-time monitoring of headlamp 9 and camera 8 at this time enters the process and image in abdominal cavity Information, patient can be by the intuitive visual judgements of external display, which position needle point specifically moves to, and is unlikely to pierce Enter it is shallower rest on subcutaneous, be pierced into relatively deep the case where stabbing enteron aisle or liver.After confirming position suitable, then air valve 2 is opened, to abdomen Interacvity air-filling establishes pneumoperitoneum.

The utility model by camera 8 and headlamp 9 design at the end needle tubing a, be based on the end needle tubing b be needle point 5 it is sharp Insertion section, the end needle tubing a are servo-actuated insertion section.And there is a difference in height at the end needle tubing a with respect to the end b, because the presence of this section of distance, takes the photograph As first 8 and headlamp 9 can more preferably illuminate and observe the end b insertion the case where.

Headlamp 9 and camera 8 are symmetrical arranged by the utility model along ab line, that is, the two sides of ab line are arranged in, such as Fig. 3 ipsilateral, in the case where guaranteeing illumination and camera function, reduces needle tubing relative to by the two design to greatest extent Diameter, reduce needle tubing be pierced into after wound size.

Further, the camera 8 and headlamp 9 that the present embodiment uses are by data line 10 and usb 11 and outer Portion's display wire communication or electrical connection, data line 10 are fixed on 4 inner wall of needle tubing close to the part of camera 8 and headlamp 9, separately A part is stretched out by active chamber 3.Being designed as USB interface can be improved the versatility that this equipment uses, and convenient insert takes.

Further, the headlamp 9 that the present embodiment uses penetrates a headlamp for optical fiber, and structure is smaller, and brightness of illumination is more It is high.

Embodiment two

Such as Fig. 5, the difference with embodiment one is, headlamp 9 and the knob that 3 inner wall of active chamber is arranged in the present embodiment Detain the wired electrical connection of battery 32.The design can reduce the data line and USB interface with the mating connection of headlamp, and only there are cameras A wiring, overall structure simplifies.

Embodiment three

Such as Fig. 6, the difference with embodiment two is, camera 8 and external display are by being arranged in work in the present embodiment 31 wireless telecommunications of the signal transit module connection of dynamic 3 inner wall of chamber.The design is integrally independent by veress needle, headlamp power supply And the transmission of camera image data is wireless mode, eliminates all circuit connections, overall structure is more simplified conveniently.

Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details The range of restriction.

Claims (6)

1. a kind of visualization veress needle successively includes gas source connector, air valve, active chamber and needle tubing from top to bottom；The needle tubing Bottom is the needle point by the end a to the end b in shape obliquely, is equipped with blunt nosed feeler lever inside needle tubing；Described blunt nosed feeler lever one end protrudes from Needle point, the other end are connect with the indoor spring of movable chamber, it is characterised in that: the end needle tubing a edge is axially arranged with camera and photograph Bright lamp；The headlamp and camera are symmetrical arranged along ab line, and do not protrude ab line；The camera and external display Communication connection.

2. visualization veress needle according to claim 1, it is characterised in that: the camera is connect by data line and USB Mouth is connect with external display wire communication.

3. visualization veress needle according to claim 2, it is characterised in that: the headlamp is connect by data line and USB Mouthful with external display is wired is electrically connected.

4. visualization veress needle according to claim 1, it is characterised in that: the camera is with external display by setting Set the signal transit module wireless telecommunications connection in active chamber inner wall.

5. according to any visualization veress needle of claim 2 or 4, it is characterised in that: the headlamp and setting are in work The wired electrical connection of button cell of dynamic chamber inner wall.

6. visualization veress needle according to claim 5, it is characterised in that: the headlamp is that optical fiber penetrates a headlamp.