CN209091457U - Bronchoscope coaxial sleeve biopsy needle - Google Patents

Abstract

The utility model relates to a kind of bronchoscope coaxial sleeve biopsy needles, including biopsy needle needle body, biopsy needle tube body, hand-held part and control unit.Biopsy needle needle body is metal material flexible, biopsy needle tube body is transparent modeling product flexible, biopsy needle needle body includes that needle body front, needle body middle part and needle body tail portion, needle body front include a groove and multiple bastards, and multiple bastards are set on two annular chamfers of groove.Hand-held part includes collapsing slot and connector, and biopsy needle tube body is connected by connector with hand-held part, the orthogonal T-type hole of axis is equipped with inside hand-held part, needle body tail portion is connected with control unit；The outer diameter of the internal diameter and biopsy needle tube body that collapse slot is equal, is capable of fixing biopsy needle tube body.The bronchoscope coaxial sleeve biopsy needle of the utility model safely and reliably can cut and take out sampling tissue, while realizing and storing to the quick nondestructive of sampling tissue.

Description

Bronchoscope coaxial sleeve biopsy needle

Technical field

The utility model relates to Medical Devices, and in particular to a kind of bronchoscope coaxial sleeve biopsy needle.

Background technique

Biopsy needle is a kind of medical instrument, suitable for a variety of devices including kidney, liver, lung, mammary gland, thyroid gland Official can be used for the living tissue sampling of cone tumour and unknown kind of tumour etc., draw cell.Present routine autopsy needle is mostly that needle thorn is lived Inspection, though this method is easy to operate, and it is safer, the disadvantage is that not addressing how the problem of cutting off tissue after piercing, and works as and wear Enter sampling tissue to meet obstructions, be more time-consuming, is not able to satisfy the requirement of quick puncture；Simultaneously biopsy needle be metal material, have compared with Strong toughness should not be bent storage since its length is longer.

Utility model content

For above situation, the utility model provides a kind of bronchoscope coaxial sleeve biopsy needle, which can puncture Tissue, the lossless storage of fast and easy are cut off after sampling tissue.

The utility model provides a kind of bronchoscope coaxial sleeve biopsy needle, including biopsy needle needle body, biopsy needle tube body, hand Portion and control unit are held, the biopsy needle needle body includes that needle body front, needle body middle part, needle body tail portion, the first slip ring and second are sliding Ring, the biopsy needle needle body include needle body front, in the middle part of needle body and needle body tail portion, and the needle body front includes a groove and more A bastard, the multiple bastard are set on two annular chamfers of the groove；The hand-held part includes collapsing slot and connection Part, the biopsy needle tube body are connected by the connector with the hand-held part, and axis is equipped with inside the hand-held part and is mutually hung down Straight T-type hole；The first end of the biopsy needle needle body is tapered slope, and the second end of the biopsy needle needle body is plane, described The second end of biopsy needle needle body is connected with the control unit.

Preferably, the biopsy needle needle body further includes the first slip ring and the second slip ring, first slip ring respectively with it is described It is connected in the middle part of needle body front, the needle body, second slip ring is connected with the needle body middle part, the needle body tail portion respectively.

Preferably, the connector includes the first connecting pin and second connection end, first connecting pin and the biopsy Needle tube body is connected, and the second connection end is connected with the hand-held part, the internal diameter of the hand-held part and the second connection end Outer diameter is equal.

Preferably, the biopsy needle tube body is equipped with limited block, the outer diameter of the biopsy needle needle body, the limited block it is interior Diameter, the internal diameter of first slip ring, the internal diameter of the internal diameter of second slip ring and the connector are equal.

Preferably, the outer diameter, described of the internal diameter of the biopsy needle tube body, the outer diameter of the limited block, first slip ring The outer diameter of second slip ring and the outer diameter of first connecting pin are equal.

Preferably, the outer diameter of the internal diameter for collapsing slot and the biopsy needle tube body is equal.

Preferably, the surface of the bastard is equipped with burr.

The utility model has the following beneficial effects: especially being set in needle body front by the improvement to biopsy needle construction Set a groove and multiple bastards, the utility model bronchoscope coaxial sleeve biopsy needle can safety can after puncturing sampling tissue Sampling tissue is cut and taken out by ground, while realizing and the quick nondestructive of sampling tissue is stored.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model bronchoscope coaxial sleeve biopsy needle；

Fig. 2 is the half section structure diagram under the utility model bronchoscope coaxial sleeve biopsy needle non-working condition；

Fig. 3 is the half section structure diagram under the utility model bronchoscope coaxial sleeve biopsy needle use state；

Fig. 4 is the hand-held part structural schematic diagram of the utility model bronchoscope coaxial sleeve biopsy needle；And

Fig. 5 is the biopsy needle needle structure schematic diagram of the utility model.

Main appended drawing reference:

Biopsy needle needle body 1；Biopsy needle tube body 2；Hand-held part 3；Control unit 4；

Needle body front 11；12 in the middle part of needle body；Needle body tail portion 13；First slip ring 14；Second slip ring 15；Groove 111；Bastard 112；Limited block 21；Connector 31；Collapse slot 32；First connecting pin 311；Second connection end 312.

Specific embodiment

By the technology contents of detailed the utility model, structure feature, reach purpose and efficacy, below with reference to specification Attached drawing is described in detail.

A kind of bronchoscope coaxial sleeve biopsy needle, including biopsy needle needle body 1, biopsy needle tube body 2, hand-held part 3 and control Component 4, biopsy needle needle body 1 are flexible and elongate metal material, and biopsy needle tube body 2 is flexible and elongate transparent modeling product, Fig. 1 is under its straight configuration and to reduce the schematic diagram after length.As shown in Fig. 3 or Fig. 5, biopsy needle needle body 1 includes needle body front 11,12, needle body tail portion 13, the first slip ring 14 and the second slip ring 15 in the middle part of needle body, the first slip ring 14 respectively with needle body front 11, needle 12 are connected in the middle part of body, and the second slip ring 15 is connected with 12, needle body tail portion 13 in the middle part of needle body respectively, the first slip ring 14 and the second slip ring 15 Setting can be reduced the resistance that biopsy needle needle body 1 slides in biopsy needle tube body 2.Needle body front 11 includes groove 111 and bastard 112, bastard 112 is set on two annular chamfers of groove 111, and the surface of bastard 112 is equipped with burr, and bastard 112 is to cut Sampling tissue is cut, burr can further catch on tissue, and fall on the bottom of groove 111.

The first end of biopsy needle needle body 1 is tapered slope, i.e., the left end face of needle body front 11 is tapered slope, in order to It is inserted into sampling tissue, the second end of biopsy needle needle body 1, the i.e. right end face of needle body tail portion 13 are plane, the of biopsy needle needle body 1 Two ends are connected with control unit 4, and control unit 4 is hat shape, and top is set as gear-like, and energy increasing friction force facilitates medical worker Control is had an effect.

As shown in Figure 1 to 4, hand-held part 3 includes collapsing slot 32 and connector 31, and it is mutual to be equipped with axis inside hand-held part 3 Vertical T-type hole, biopsy needle tube body 2 are connected by connector 31 with hand-held part 3；The side that slot 32 is set to hand-held part 3 is collapsed, Preferably, 3 slots are internally provided with, the outer diameter of the internal diameter and biopsy needle tube body 2 that collapse slot 32 is equal, and the device can be made not Using or use after, biopsy needle tube body 2 in multiple convolution, can successively be stuck in collapse a slot of slot more than 32 in, complete receive It receives.

Connector 31 includes the first connecting pin 311 and second connection end 312, the outer diameter of biopsy needle needle body 1, the first slip ring 14 Internal diameter, the second slip ring 15 internal diameter and the first connecting pin 311 internal diameter it is equal, the internal diameter of hand-held part 3 and second connection end 312 Outer diameter it is equal；First connecting pin 311 can prevent the second slip ring 15 from skidding off biopsy needle tube body 2.

It is equipped with limited block 21 inside the left end of biopsy needle tube body 2, is used in device, before the needle body for controlling biopsy needle needle body 1 When portion 11 skids off biopsy needle tube body 2, limited block 21 can prevent the first slip ring 14 from skidding off biopsy needle tube body 2, biopsy needle tube body 2 Right end is connected with the first connecting pin 311 of connector 31, the internal diameter of biopsy needle tube body 2, the outer diameter of the first slip ring 14, the second slip ring 15 outer diameter and the outer diameter of the first connecting pin 311 are equal.

Specific use process is as follows for the utility model:

State of the utility model when being not used are as follows: the needle body front 11 of biopsy needle needle body 1 is fully located at biopsy needle tube body 2 Inside, state as shown in Figure 2, biopsy needle tube body 2 are multilayer spiral, and 2 one end of biopsy needle tube body is connected to the connection of hand-held part 3 On part 31, the other end of biopsy needle tube body 2 is successively stuck in the multiple slots for collapsing slot 32, is placed in packaging in receiving state.

When in use, biopsy needle tube body 2 is unfolded, into the position of specified tissue, a hand holds hand-held part 3, another Hand push moves control unit 4, makes the first slip ring 14 and the second slip ring 15 contact slide in biopsy needle tube body 2, makes needle body front 11 skid off biopsy needle tube body 2, and limited block 21 can prevent the first slip ring 14 from skidding off biopsy needle tube body 2, state as shown in Figure 3, this When make needle body front 11 close to sampling tissue, reciprocatingly slide, bastard 112 and surface spikes cut sampling tissue to groove 111 Bottom；After completing sampling, it is displaced outwardly control unit 4, needle body front 11 is made to be slid completely into biopsy needle tube body 2, avoids connecing Touching injury human body, meanwhile, the first connecting pin 311 can prevent the second slip ring 15 from skidding off biopsy needle tube body 2, further take out biopsy needle tube body 2, carry out subsequent processing.

After usage, biopsy needle tube body 2 is stuck in again in the multiple slots for collapsing slot 32, it is appropriate in receiving state Conduct oneself well reason.

The above is the preferred embodiment of the application, does not limit the protection scope of the utility model with this, should be referred to Out, for those skilled in the art, under the premise of not departing from this technology principle, several change can also be made Into and retouching, these improvements and modifications also should be regarded as the protection scope of the application.

Claims (7)

1. a kind of bronchoscope coaxial sleeve biopsy needle, including biopsy needle needle body, biopsy needle tube body, hand-held part and control unit, It is characterized in that,

The biopsy needle needle body includes needle body front, in the middle part of needle body and needle body tail portion, the needle body front include a groove and Multiple bastards, the multiple bastard are set on two annular chamfers of the groove；

The hand-held part includes that gathering slot and connector, the biopsy needle tube body pass through the connector and the hand-held part phase Even, the orthogonal T-type hole of axis is equipped with inside the hand-held part, and

The first end of the biopsy needle needle body is equipped with tapered slope, and the second end of the biopsy needle needle body is plane, the biopsy The second end of needle needle body is connected with the control unit.

2. bronchoscope coaxial sleeve biopsy needle according to claim 1, which is characterized in that the biopsy needle needle body also wraps The first slip ring and the second slip ring are included, first slip ring is connected with the needle body front, needle body middle part respectively, and described second Slip ring is connected with the needle body middle part, the needle body tail portion respectively.

3. bronchoscope coaxial sleeve biopsy needle according to claim 2, which is characterized in that the connector includes first Connecting pin and second connection end, first connecting pin are connected with the biopsy needle tube body, the second connection end and the hand It holds portion to be connected, the internal diameter of the hand-held part is equal with the outer diameter of the second connection end.

4. bronchoscope coaxial sleeve biopsy needle according to claim 3, which is characterized in that the biopsy needle tube body is equipped with Limited block, the outer diameter of the biopsy needle needle body, the internal diameter of the limited block, first slip ring internal diameter, second slip ring Internal diameter and the connector internal diameter it is equal.

5. bronchoscope coaxial sleeve biopsy needle according to claim 4, which is characterized in that the biopsy needle tube body it is interior Diameter, the outer diameter of the limited block, the outer diameter of first slip ring, the outer diameter of second slip ring and first connecting pin it is outer Diameter is equal.

6. bronchoscope coaxial sleeve biopsy needle according to claim 1, which is characterized in that it is described collapse slot internal diameter and The outer diameter of the biopsy needle tube body is equal.

7. bronchoscope coaxial sleeve biopsy needle according to claim 1, which is characterized in that the surface of the bastard is equipped with Burr.