CN214965956U - Mammary gland lump puncture sampler - Google Patents

Abstract

The utility model discloses a breast lump puncture sampler, a handle, a rotating ring, a telescopic sleeve, a sample tube, an outer needle tube, an inner needle rod and a cutter head, wherein the telescopic sleeve is connected with the handle, the rotating ring is rotatably arranged at the joint of the telescopic sleeve and the handle, the end surface of the sample tube is hermetically connected with the end surface of the telescopic sleeve, the outer needle tube is rotatably arranged in the sample tube through a rotating sealing pair, and part of the outer needle tube extends out of the sample tube, the inner needle rod is rotatably arranged in the outer needle tube, a transmission mechanism matched with the rotating ring is arranged at the same side of the outer needle tube and the inner needle rod, the cutter head is arranged at the end part of the inner needle rod, the outer end parts of the outer needle tube and the inner needle rod are provided with sampling structures, the breast lump tissue of a human body is punctured through the puncture sampler, then fixed-point sampling is carried out, the sampling process is in a closed environment, in addition, the puncture wound is smaller, the needle-shaped sampler is convenient to recover, the sampling tube, the convenient tissue of deepening, it is accurate to take a sample, helps improving puncture sampling efficiency, detection effect and reduces patient's misery.

Description

Mammary gland lump puncture sampler

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to mammary gland lump puncture sampler.

Background

The breast surgery is the next branch of clinical surgery and mainly aims at the surgical aspects of breast diseases, such as breast anatomy, breast infection, breast tumor pathology, breast tumor diagnosis and treatment principle, breast tumor diagnosis, various surgical methods of breast tumor surgery, chemotherapy, radiotherapy and endocrine treatment.

Breast tumor masses are most common in the outer upper quadrant, followed by the nipple, areola area and inner upper quadrant. Often, the lump is discovered by the patient unintentionally (e.g., bathing, changing clothes) due to the absence of subjective symptoms. A small number of patients may have varying degrees of tenderness or irritation and nipple discharge. Malignant tumors grow faster and invade surrounding tissues, causing changes in the shape of the breast, manifesting as a series of signs. Such as: superficial skin depression of the tumor; a cancerous lesion adjacent to the nipple can pull the nipple in the direction of the cancerous lesion; crater nipple, etc. Advanced breast cancer can develop "orange peel" changes. These are all important signs of the appearance of breast cancer.

At present, as is well known, in the process of tumor treatment, tumor tissues of a patient need to be sampled, pathological tissue examination needs to be carried out clinically on mammary gland with fibroma or hyperplastic nodules to eliminate breast cancer, a small piece of tissue must be cut through an operation to carry out examination during examination, the sampled tissue is more in adhesion with blood and other tissues, the detection result is influenced, the wound is larger, the postoperative treatment is troublesome, the pain of the patient is increased, and the workload is increased for medical staff.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mammary gland lump puncture sampler to it is more to solve sample tissue and glue glutinous blood and other tissues, influences the testing result, and the wound is great moreover, and postoperative treatment is troublesome, has not only increased patient's misery, has also increased the problem of work load for medical personnel.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a mammary gland lump puncture sampler, handle, rolling ring, flexible cover, arrangement pipe, outer needle tubing, interior needle bar and tool bit, flexible cover with the handle is connected, the rolling ring rotates to be installed flexible cover with the junction of handle, the terminal surface of arrangement pipe with the end face sealing connection of flexible cover, outer needle tubing passes through the sealed vice rotation of rotation and installs in the arrangement pipe, and the part stretch with the outside of arrangement pipe, interior needle bar rotates to be installed in the outer needle tubing, outer needle tubing with the homonymy of interior needle bar be provided with rolling ring complex drive mechanism, the tool bit is installed the tip of interior needle bar, outer needle tubing with the outer tip of interior needle bar is provided with sample structure.

The further technical scheme is as follows: the sampling structure comprises a stock layout blade and a cutting blade, the stock layout blade is uniformly installed on the peripheral surface of the outer end of the inner needle rod along a spiral shape, the cutting blade is uniformly installed on the inner peripheral surface of the outer end of the outer needle tube along an annular shape, and the cutting blade is located at the discharge end of the stock layout blade.

The further technical scheme is as follows: the transmission mechanism comprises a first fluted disc and a second fluted disc, the first fluted disc is coaxially arranged on the end face of the inner needle rod, the second fluted disc is coaxially arranged on the end face of the outer needle tube, and a first internal thread and a second internal thread which are matched with the first fluted disc and the second fluted disc are respectively arranged on the inner peripheral surface of the rotating ring.

The further technical scheme is as follows: the number of teeth of the first toothed disc is less than the number of teeth of the second toothed disc.

The further technical scheme is as follows: the length of the outer needle tube is shorter than that of the inner needle tube.

The further technical scheme is as follows: the tool bit is the cone, evenly be provided with along the generating line on the global of cone and dissect the blade.

The further technical scheme is as follows: the part of the outer needle tube, which is positioned in the sample discharge tube, is provided with a discharge hole, and the sample discharge tube on the sample discharge tube is communicated with negative pressure sampling equipment.

The further technical scheme is as follows: the end face of the handle, the end face of the telescopic sleeve and the end face of the sampling pipe are provided with baffle rings.

Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:

1. the utility model provides a mammary gland lump puncture sampler advances human mammary gland lump tissue through utilizing the puncture of needle tube, then carry out the fixed point sample, the sampling process is in airtight environment, can be in the sampling process, prevent that blood and irrelevant tissue from polluting the sample tissue, cause and detect the structure inaccurate, this puncture sampler in addition, the sample wound is less, be convenient for resume, the needle tube, conveniently go deep into the tissue, the sample is accurate, help improving puncture sampling efficiency, detection effect and reduction patient's misery.

2. The front end at the sampling needle sets up the tool bit, and the tool bit is the cone, evenly is provided with along the generating line on the global of cone and dissects the blade, and the human tissue is pierced to the reduction resistance of being convenient for to the cone form tool bit, dissects the blade and is convenient for open the tissue along the direction of advance of tool bit, makes things convenient for the sample, reduces patient's misery.

Drawings

Fig. 1 is a schematic structural view of the breast lump puncture sampler of the present invention.

Fig. 2 is a schematic structural diagram of a in fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of the rotating ring shown in fig. 1 according to the present invention.

Fig. 4 is a schematic structural view of the breast mass puncture sampler in fig. 1 during puncturing.

Fig. 5 is a schematic structural view of the breast mass puncture sampler of fig. 1 during sampling according to the present invention.

Fig. 6 is a schematic structural view of the layout blade of fig. 1 according to the present invention.

Reference numerals: 1. a handle; 2. a rotating ring; 3. a telescopic sleeve; 4. a sample discharge pipe; 5. an outer needle tube; 51. a discharge hole; 6. an inner needle bar; 7. a cutter head; 71. a slitting blade; 8. a transmission mechanism; 81. a first fluted disc; 82. a second fluted disc; 9. a sampling structure; 91. a stock layout blade; 92. cutting off the blade; 10. a baffle ring; 11. and (4) rotating the sealing pair.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

example 1 referring to an example shown in fig. 1, 2 and 3, a breast tumor mass puncture sampler comprises a handle 1, a rotating ring 2, a telescopic sleeve 3, a sample tube 4, an outer needle tube 5, an inner needle rod 6 and a cutter head 7, the telescopic sleeve 3 is connected with the handle 1, the rotating ring 2 is rotatably arranged at the joint of the telescopic sleeve 3 and the handle 1, the end surface of the sampling pipe 4 is connected with the end surface of the telescopic sleeve 3 in a sealing way, the outer needle tube 5 is rotatably arranged in the sampling pipe 4 through a rotary sealing pair 11, and part of the inner needle bar extends to the outside of the sampling tube 4, the inner needle bar 6 is rotatably arranged in the outer needle tube 5, a transmission mechanism 8 matched with the rotating ring 2 is arranged on the same side of the outer needle tube 5 and the inner needle rod 6, the cutter head 7 is arranged at the end part of the inner needle rod 6, and the outer end parts of the outer needle tube 5 and the inner needle rod 6 are provided with sampling structures 9.

This mammary gland lump puncture sampler, the rotating ring 2 rotates through cyclic annular slide spout isotructure and installs the junction at telescope tube 3 and handle 1, the terminal surface sealing connection of row's appearance pipe 4 is on the terminal surface of telescope tube 3, outer needle pipe 5 rotates through rotating seal pair 11 and installs in row's appearance pipe 4, outer needle pipe 5 part stretches out with the outside of row's appearance pipe 4, interior needle bar 6 rotates and installs in outer needle pipe 5, the outer tip of needle bar 6 including the installation of tool bit 7, pierce human tissue through tool bit 7, the homonymy of outer needle pipe 5 and interior needle bar 6 is provided with the drive mechanism 8 with rotating ring 2 complex, the outer tip branch of outer needle pipe 5 and interior needle bar 6 is provided with sample structure 9. The knife head 7 of the inner needle rod 6 is tightly propped against the outer end of the outer needle tube 5, and is in a puncture state, the needle tube is utilized to puncture the breast tumor tissue of the human body, the outer end of the inner needle bar 6 is pushed out of the outer needle tube 5 through the telescopic sleeve 3, and is in a sampling state at the moment, and is penetrated into tissues to be sampled, then the rotating ring 2 is rotated to drive the outer needle tube 5 and the inner needle rod 6 to rotate through the transmission mechanism 8, the sampling structure 9 is arranged at the outer end part of the needle tube 5 and the inner needle rod 6 for sampling at fixed points, the sampling process is in a closed environment, can prevent blood and irrelevant tissue from polluting sampling tissue in the sampling process to cause inaccurate detection structure, in addition, the puncture sampler has the advantages that the sampling wound is small, the recovery is convenient, the needle-shaped sampling tube can conveniently go deep into tissues, the sampling is accurate, the puncture sampling efficiency and the detection effect are improved, and the pain of a patient is reduced.

Example 2:

on the basis of the above embodiment 1, in embodiment 2, referring to fig. 4, 5 and 6, the sampling structure 9 includes a layout blade 91 and a cutting blade 92, the layout blade 91 is uniformly installed on the outer end peripheral surface of the inner needle 6 along a spiral shape, the cutting blade 92 is uniformly installed on the outer end inner peripheral surface of the outer needle 5 along a ring shape, and the cutting blade 92 is located at the discharge end of the layout blade 91.

The curved arc-shaped sample arranging blade 91 is uniformly arranged on the peripheral surface of the outer end of the inner needle rod 6 along the spiral shape, the tissue to be sampled can be cut, partial tissue is pulled into a sampling channel between the sample arranging blades 91, the cutting blade 92 is uniformly arranged on the inner peripheral surface of the outer end of the outer needle tube 5 along the annular shape, the cutting blade 92 is positioned on one side of the discharge end of the sample arranging blade 91, the tissue on the sample arranging blade 91 is annularly cut off by rotating, the sampled tissue and the original tissue are cut off, the sampling is convenient to finish, the wound is small, the sampling amount is small, the sampling speed is high, the pain of a patient is reduced, and the recovery is convenient.

Example 3:

on the basis of the above embodiment, embodiment 3 shows an embodiment in which the cutter head 7 is a cone, and the circumference of the cone is uniformly provided with sectioning blades 71 along a generatrix.

The front end of the inner needle rod 6 is provided with the cutter head 7 which is a cone, the peripheral surface of the cone is uniformly provided with the sectioning blades 71 along a generatrix, the cone-shaped cutter head 7 is convenient to reduce resistance and pierce human tissues, the sectioning blades 71 are convenient to cut the tissues along the advancing direction of the cutter head 7, the sampling is convenient, and the pain of a patient is reduced.

Example 4:

on the basis of the above embodiment, embodiment 4 shows an embodiment, the part of the outer needle tube 5 located inside the sample tube 4 is provided with a discharge hole 51, and the sample tube 41 on the sample tube 4 is communicated with a negative pressure sampling device.

The part of the outer needle tube 5 positioned in the sample discharge tube 4 is provided with a discharge hole 51, the sample discharge tube 41 is communicated with the sample discharge tube 4, the negative pressure extraction equipment (also can be a medical injection needle tube) is communicated with the sample discharge tube 41, sample tissues in the outer needle tube 5 are extracted from the discharge hole 51 through negative pressure, the whole process is closed and pollution-free, the operation is convenient, and the detection result is improved.

Example 5:

on the basis of the above embodiment, embodiment 5 shows an embodiment, and the end surface of the handle 1, the end surface of the telescopic sleeve 3 and the end surface of the sampling tube 4 are provided with the baffle rings 10.

The baffle ring 10 is convenient for people to push and pull the puncture sampler.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (6)

1. A breast lump puncture sampler is characterized in that: handle (1), rotating ring (2), telescope tube (3), loft pipe (4), outer needle pipe (5), interior needle bar (6) and tool bit (7), telescope tube (3) with handle (1) is connected, rotating ring (2) rotate install telescope tube (3) with the junction of handle (1), the terminal surface of loft pipe (4) with the end face sealing connection of telescope tube (3), outer needle pipe (5) rotate through rotating seal pair (11) and install in loft pipe (4), and the part stretch with the outside of loft pipe (4), interior needle bar (6) rotate to be installed in outer needle pipe (5), outer needle pipe (5) with the homonymy of interior needle bar (6) be provided with rotating ring (2) complex drive mechanism (8), tool bit (7) are installed the tip of interior needle bar (6), the outer end parts of the outer needle tube (5) and the inner needle rod (6) are provided with sampling structures (9).

2. The breast tumor puncture sampler of claim 1, wherein: sample structure (9) are including stock layout blade (91) and cut off blade (92), stock layout blade (91) are along the heliciform uniform mounting on the outer end global of inner needle bar (6), cut off blade (92) along cyclic annular uniform mounting on the outer end inner peripheral surface of outer needle tube (5), cut off blade (92) and be located the discharge end of stock layout blade (91).

3. The breast tumor puncture sampler of claim 1, wherein: the length of the outer needle tube (5) is shorter than that of the inner needle rod (6).

4. The breast tumor puncture sampler of claim 1, wherein: the cutter head (7) is a cone, and the peripheral surface of the cone is uniformly provided with sectioning blades (71) along a generatrix.

5. The breast tumor puncture sampler of claim 1, wherein: the outer needle tube (5) is located the part in the layout pipe (4) is provided with discharge opening (51), appearance pipe (41) on the layout pipe (4) intercommunication has negative pressure sampling equipment.

6. The breast tumor puncture sampler of claim 1, wherein: the end face of the handle (1), the end face of the telescopic sleeve (3) and the end face of the sampling tube (4) are provided with baffle rings (10).

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