CN208243573U - A kind of tumour living body sampling apparatus - Google Patents

Abstract

The utility model discloses a kind of tumour living body sampling apparatuses, including needle tubing column, the bottom end of the needle tubing column is fixedly installed with the first connecting column, the outer wall of first connecting column is rotatably connected to sampling swivel, the sampling needle base thread is connected to the bottom end outer wall of the second connecting column, the sampling needle is fixedly mounted on the bottom end of sampling needle pedestal, the swivel column is fixedly connected on the middle part outer wall of the second connecting column, the second bearing is rotatably installed in the middle part inner wall of swivel column, the inner wall middle and upper part of the needle tubing column is slidably fitted with push-pull device at fixed, the connecting column is fixedly mounted on the upper end of piston, the first bearing is rotatably installed in the upper end of connecting column, the threaded rod is rotatably installed in the upper end of first bearing.The utility model is designed by using needle tube type, increases rotating body and screw thread push-pull rod, can be facilitated rotation sampling needle cutting pathological tissues, uniformly be drawn to the pathological tissues under cutting, avoid bringing pain to patient.

Description

A kind of tumour living body sampling apparatus

Technical field

The utility model relates to technical field of medical equipment, specially a kind of tumour living body sampling apparatus.

Background technique

When sampling chemical examination to tumour patient diseased region, need to use sampling apparatus, in order to guarantee the accuracy of chemical examination, It also needs to extract part pathological tissues in addition to needing to extract hydrops, in order to guarantee that patient, not by pain, needs to the greatest extent in sampling process Amount at the uniform velocity extracts sample.

Currently, existing tumour sampling apparatus by syringe needle penetrates pathological tissues in the market, but it is only limited to localized liquid Extraction, be unable to complete pathological tissues living body sampling, sample this shortage representativeness, while existing tumour sampling apparatus is direct It is sampled using Manual push-pull, makes patient when being sampled by great pain.

Utility model content

The purpose of this utility model is to provide a kind of tumour living body sampling apparatuses, are designed using needle tube type, increase rotation Turn main body and screw thread push-pull rod, solve existing apparatus can not facilitate rotation sampling needle cutting pathological tissues, can not be under cutting Pathological tissues uniformly draw to patient bring pain problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of tumour living body sampling apparatus, including Needle tubing column, the bottom end of the needle tubing column are fixedly installed with the first connecting column, and the outer wall of first connecting column, which is rotatably connected to, to be adopted Sample swivel, the sampling swivel includes turning column, sampling needle pedestal, needle wall knife, sampling needle, the second connecting column and second bearing, The sampling needle base thread is connected to the bottom end outer wall of the second connecting column, and the sampling needle is fixedly mounted on sampling needle pedestal Bottom end, the swivel column are fixedly connected on the middle part outer wall of the second connecting column, and the second bearing is rotatably installed in swivel column Middle part inner wall, the inner wall middle and upper part of the needle tubing column are slidably fitted with push-pull device at fixed, and the push-pull device at fixed includes first handle, spiral shell Rasp bar, needle tubing lid, first bearing, piston, connecting column, venthole and second handle, the connecting column are fixedly mounted on piston Upper end, the first bearing are rotatably installed in the upper end of connecting column, and the threaded rod is rotatably installed in the upper end of first bearing, institute The top that first handle is fixedly mounted on threaded rod is stated, the second handle is rotatably installed in the left upper end of first handle, described Needle tubing lid is threaded in the middle part outer wall of threaded rod.

Preferably, the needle wall knife is uniformly distributed the side for being mounted on sampling needle through sampling needle inside and outside wall.

Preferably, the venthole is provided with the upper surface right end of needle tubing lid, and the venthole is above and below needle tubing lid End face.

Preferably, the diameter of the piston is slightly larger than the inner diameter of needle tubing column.

Preferably, hollow inside first connecting column and the second connecting column.

Preferably, the diameter of thread for threaded rod being corresponded at the upper surface center of the needle tubing lid offers threaded hole.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model will be adopted by setting swivel column, needle wall knife and sampling needle when sampling to patient's pathological tissues Sample needle is inserted into pathological tissues, and rotates swivel column and drive the needle wall swivel on sampling needle dynamic, and needle wall knife can be made to cut around lower Pathological tissues, then lesion hydrops and lesion living tissue can be sampled, provide more comprehensive sample for chemical examination, mention The problem of accuracy of high result of laboratory test, the existing tumour sampling apparatus of effective solution can not take biopsy sample.

2, the utility model is by setting threaded rod, and when extracting pathological tissues, threaded rod is by covering screw thread in needle tubing Rotation, can be such that piston at the uniform velocity rises, and so as at the uniform velocity extract pathological tissues, mitigate patient's pain, reduce patient to group Knit the fear of sampling, the existing tumour sampling apparatus of effective solution can not at the uniform velocity extract pathological tissues and cause patient painful The problem of.

3, the utility model is by setting second handle, when sample is injected test case, second handle can be made around pushing away The center rotating of drawing device releases piston rapid decrease by sample, saves the time, compensates for and cause to live using thread Plug sliding is slowly insufficient.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the push-pull device at fixed of the utility model；

Fig. 3 is the structural schematic diagram of the sampling swivel of the utility model.

In figure: 1- needle tubing column, 2- sampling swivel, the first connecting column of 3-, 4- push-pull device at fixed, 5- first handle, 6- threaded rod, 7- needle tubing lid, 8- first bearing, 9- piston, 10- connecting column, 11- venthole, 12- second handle, 13- swivel column, 14- sampling Needle pedestal, 15- needle wall knife, 16- sampling needle, the second connecting column of 17-, 18- second bearing.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of tumour living body sampling apparatus, including needle Tubing string 1, the bottom end of needle tubing column 1 are fixedly installed with the first connecting column 3, and the outer wall of the first connecting column 3 is rotatably connected to sampling swivel 2, sampling swivel 2 includes swivel column 13, sampling needle pedestal 14, needle wall knife 15, sampling needle 16, the second connecting column 17 and second bearing 18, sampling needle pedestal 14 is threaded in the bottom end outer wall of the second connecting column 17, and sampling needle 16 is fixedly mounted on sampling needle pedestal 14 bottom end, swivel column 13 are fixedly connected on the middle part outer wall of the second connecting column 17, and second bearing 18 is rotatably installed in swivel column 13 middle part inner wall, the inner wall middle and upper part of needle tubing column 1 are slidably fitted with push-pull device at fixed 4, and push-pull device at fixed 4 includes first handle 5, spiral shell Rasp bar 6, needle tubing lid 7, first bearing 8, piston 9, connecting column 10, venthole 11 and second handle 12, connecting column 10 are fixedly mounted In the upper end of piston 9, first bearing 8 is rotatably installed in the upper end of connecting column 10, and threaded rod 6 is rotatably installed in first bearing 8 Upper end, first handle 5 are fixedly mounted on the top of threaded rod 6, and second handle 12 is rotatably installed in the left upper end of first handle 5, Needle tubing lid 7 is threaded in the middle part outer wall of threaded rod 6, and needle wall knife 15 is uniformly distributed to be mounted on and adopt through 16 inside and outside wall of sampling needle The side of sample needle 16, venthole 11 are provided with the upper surface right end of needle tubing lid 7, and venthole 11 runs through the upper and lower end face of needle tubing lid 7, The diameter of piston 9 is slightly larger than the inner diameter of needle tubing column 1, hollow, needle tubing lid inside the first connecting column 3 and the second connecting column 17 The diameter of thread that threaded rod 6 is corresponded at 7 upper surface center offers threaded hole.

In use, sampling needle 16 is inserted into pathological tissues when sampling to patient's pathological tissues, and rotate swivel 13 band of column Needle wall knife 15 on dynamic sampling needle 16 rotates, and can make the pathological tissues of the lower surrounding of the cutting of needle wall knife 15, then to lesion hydrops With lesion living tissue sample, make center uniform rotation of the second handle 12 around push-pull device at fixed 4 with hand, make threaded rod 6 by Threads turn on needle tubing lid 7, so that piston 9 be made at the uniform velocity to rise, at the uniform velocity extraction pathological tissues, mitigation patient are painful.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of tumour living body sampling apparatus, including needle tubing column (1), it is characterised in that: the bottom end of the needle tubing column (1) is fixed It is equipped with the first connecting column (3), the outer wall of first connecting column (3) is rotatably connected to sampling swivel (2), the sampling swivel It (2) include swivel column (13), sampling needle pedestal (14), needle wall knife (15), sampling needle (16), the second connecting column (17) and the second axis It holds (18), the sampling needle pedestal (14) is threaded in the bottom end outer wall of the second connecting column (17), and the sampling needle (16) is solid Dingan County is mounted in the bottom end of sampling needle pedestal (14), and the swivel column (13) is fixedly connected on outside the middle part of the second connecting column (17) Wall, the second bearing (18) are rotatably installed in the middle part inner wall of swivel column (13), and the inner wall middle and upper part of the needle tubing column (1) is sliding Dynamic to be equipped with push-pull device at fixed (4), the push-pull device at fixed (4) includes first handle (5), threaded rod (6), needle tubing lid (7), first axle (8), piston (9), connecting column (10), venthole (11) and second handle (12) are held, the connecting column (10) is fixedly mounted on work The upper end of (9) is filled in, the first bearing (8) is rotatably installed in the upper end of connecting column (10), and the threaded rod (6) is rotatably installed in The upper end of first bearing (8), the first handle (5) are fixedly mounted on the top of threaded rod (6), and the second handle (12) turns The dynamic left upper end for being mounted on first handle (5), the needle tubing lid (7) are threaded in the middle part outer wall of threaded rod (6).

2. a kind of tumour living body sampling apparatus according to claim 1, it is characterised in that: the needle wall knife (15) is run through Sampling needle (16) inside and outside wall is uniformly distributed the side for being mounted on sampling needle (16).

3. a kind of tumour living body sampling apparatus according to claim 1, it is characterised in that: the venthole (11) opens up In the upper surface right end of needle tubing lid (7), the venthole (11) runs through the upper and lower end face of needle tubing lid (7).

4. a kind of tumour living body sampling apparatus according to claim 1, it is characterised in that: the diameter of the piston (9) Slightly larger than the inner diameter of needle tubing column (1).

5. a kind of tumour living body sampling apparatus according to claim 1, it is characterised in that: first connecting column (3) It is internal hollow with the second connecting column (17).

6. a kind of tumour living body sampling apparatus according to claim 1, it is characterised in that: the needle tubing lid (7) it is upper The diameter of thread that threaded rod (6) is corresponded at end face center offers threaded hole.