CN216417230U

CN216417230U - Clinical sampling device that uses of tumour

Info

Publication number: CN216417230U
Application number: CN202122484519.XU
Authority: CN
Inventors: 刘耀兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-05-03
Anticipated expiration: 2031-10-15

Abstract

The utility model belongs to the technical field of medical instrument, especially, relate to a clinical sampling device that uses of tumour, including first sleeve, first sleeve outside top is provided with handheld portion, the second through-hole has been seted up to first sleeve bottom, the inside second sleeve that slides and is provided with of first sleeve, second sleeve bottom end fixedly connected with syringe needle, the syringe needle with the coaxial setting in second through-hole, the syringe needle slides and sets up in the second through-hole, the inside sampling device that is provided with of second sleeve, sampling device includes promotion portion and sampling head, promotion portion with the connection can be dismantled to the sampling head, the sampling head with the coaxial setting of syringe needle, promotion portion slides and sets up in the second sleeve, the sampling head slides and sets up in the syringe needle, has solved the problem that current tumour sampling device can not be to the tumour sample of sclerosis and has had current tumour sampling device poor and the sampling effect and the sampling process cause the patient in the poor and the sampling process The injury is larger.

Description

Clinical sampling device that uses of tumour

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a clinical sampling device that uses of tumour.

Background

The tumor is divided into benign tumor and malignant tumor, the benign tumor grows slowly, the surface is smooth, the benign tumor does not invade adjacent normal tissues, the tumor body is usually enveloped, therefore, the benign tumor is obviously separated from the normal tissues, the benign tumor is not fatal unless growing at the critical part, most of the benign tumor can be completely excised, and few recurrences occur, the cancer is the most common malignant tumor, the malignant tumor is divided into epitheliogenic 'cancer' and interstitial-derived 'sarcoma', in the malignant tumor, the proliferated cells can be diffused to other parts to proliferate to cause injury to human body besides being gathered into lumps.

After a tumor is found, the tumor is required to be sampled and tested to be malignant or benign, the symptomatic treatment of doctors is facilitated, the tumor sampling can be realized through a scalpel, but the method has a large wound and great harm to a patient, so that a syringe is mostly adopted for tumor sampling, tumor tissues are sucked by means of negative pressure generated during the extraction of the syringe, the method has a small wound and relieves the pain of the patient, but the common syringe has poor closure, and part of the tumor can be hardened, and the effect of sampling by using the syringe for the tumor is not ideal, so that a tumor sampling device capable of quickly sampling the hardened tumor is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a clinical sampling device that uses of tumour to solve above-mentioned problem, reach the purpose that can take a sample smoothly to the sclerosis tumour.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a clinical sampling device that uses of tumour, includes first sleeve, first sleeve outside top is provided with handheld portion, the second through-hole has been seted up to first sleeve bottom, the inside second sleeve that slides of first sleeve is provided with, second sleeve bottom fixedly connected with syringe needle, the syringe needle with the coaxial setting in second through-hole, the syringe needle slides and sets up in the second through-hole, the inside sampling device that is provided with of second sleeve, sampling device includes promotion portion and sampling head, promotion portion with the connection can be dismantled to the sampling head, the sampling head with the coaxial setting of syringe needle, promotion portion slides and sets up in the second sleeve, the sampling head slides and sets up in the syringe needle.

Preferably, the pushing portion comprises a push rod, a base plate is fixedly connected to the top end of the push rod, a push plate is fixedly connected to the bottom end of the push rod, the push plate is connected with the second sleeve in a sliding mode, and a protrusion is arranged at the bottom end of the push plate.

Preferably, the sampling head includes the sampler barrel, the sampler barrel top seted up with protruding matched with first recess, the blade has been seted up to the sampler barrel bottom, the inside fixedly connected with of sampler barrel bottom triangle sword, the sampler barrel with syringe needle sliding connection.

Preferably, a boss is arranged on the side face of the bottom of the protrusion, and a second groove matched with the boss is arranged on the side face of the bottom of the first groove.

Preferably, the handheld part comprises two support lugs which are symmetrically and fixedly connected to the top of the outer side of the first sleeve, and the support lugs are provided with first through holes.

Preferably, the length of the sampling tube is greater than the length of the needle.

Preferably, the friction between the push plate and the second sleeve is greater than the friction between the second sleeve and the first sleeve.

Preferably, the bottom end of the needle is beveled.

The utility model discloses has following technological effect:

the utility model discloses coaxial setting sampling head and syringe needle, and the sampling head is located inside the syringe needle, utilizes the sample principle different with prior art, realizes that this device carries out the special function of taking a sample to the sclerosis tumour, during the use, releases first sleeve with the syringe needle earlier, then uses the syringe needle to puncture the skin of patient's tumour department to in pricking the tumour with the syringe needle, the sampling head stretches out from the syringe needle after that, and the tumour tissue of beginning cutting sclerosis takes a sample, the utility model discloses can realize taking a sample to the tumour tissue of sclerosis to the wound that causes the patient is little, has solved the poor problem of current tumour sampling device to sclerosis tumour sample effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the sampling device of the present invention;

FIG. 4 is a schematic view of the pushing part of the present invention;

FIG. 5 is a schematic view of a sampling head according to the present invention;

FIG. 6 is another perspective view of the sampling head of the present invention;

FIG. 7 is a schematic view of a triangular knife according to the present invention;

figure 8 is an enlarged view of a portion of figure 4,

fig. 9 is a cross-sectional view of the present invention;

fig. 10 is a partial enlarged view of B in fig. 9.

Wherein, 1, a first sleeve; 2. supporting a lug; 3. a first through hole; 4. a second through hole; 5. a base plate; 6. a push rod; 7. a second sleeve; 8. a needle head; 9. pushing the plate; 10. a sampling tube; 11. a protrusion; 12. a first groove; 13. a triangular knife; 14. cutting edges; 15. a boss; 16. a second groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-10, a clinical tumor sampling device comprises a first sleeve 1, a handheld portion is disposed at the top of the outer side of the first sleeve 1, a second through hole 4 is disposed at the bottom end of the first sleeve 1, a second sleeve 7 is slidably disposed inside the first sleeve 1, a needle 8 is fixedly connected to the bottom end of the second sleeve 7, the needle 8 and the second through hole 4 are coaxially disposed, the needle 8 is slidably disposed in the second through hole 4, a sampling device is disposed inside the second sleeve 7, the sampling device comprises a pushing portion and a sampling head, the pushing portion is detachably connected to the sampling head, the sampling head and the needle 8 are coaxially disposed, the pushing portion is slidably disposed in the second sleeve 7, the sampling head is slidably disposed in the needle 8, the first sleeve 1 and the second sleeve 7 are slidably connected, the second sleeve 7 can freely slide along the axial direction of the first sleeve 1, and the needle 8 can extend out of the second through hole 4, can puncture the skin of patient's tumour department and further stretch into tumour tissue after syringe needle 8 stretches out second through-hole 4, syringe needle 8 and second sleeve 7 are for dismantling fixed connection, sampling device slides and cup joints in second sleeve 7, can follow the axial direction free slip of second sleeve 7, the sample connection is inside with 8 coaxial settings of syringe needle and be located syringe needle 8, syringe needle 8 continues to promote sampling device downwards after entering into tumour tissue, the sample connection stretches out from syringe needle 8, and cut the sample to tumour tissue.

Further optimize the scheme, the promotion portion includes

push rod

6, 6 top fixedly connected with backing plates 5 of push rod, 6 bottom fixedly connected with push pedal 9 of push rod,

push pedal

9 and 7 sliding connection of second sleeve, 9 bottoms of push pedal are provided with protruding 11, push pedal 9 and protruding 11 structures as an organic whole, operating personnel forefinger and well finger are with first sleeve 1 fixed back, the thumb is put on backing plates 5 and is pressed with strength, make promotion portion move forward, and then drive syringe needle 8 and sample connection and get into the sample in the tumour tissue.

Further optimize the scheme, the sampling probe includes sampler barrel 10, sampler barrel 10 top seted up with protruding 11 matched with first recess 12, blade 14 has been seted up to sampler barrel 10 bottom, the inside fixedly connected with three angle knives 13 in sampler barrel 10 bottom,

sampler barrel

10 and 8 sliding connection of syringe needle, first recess 12 cooperatees with protruding 11, make sampler barrel 10 fix in the promotion portion, the cutting to tumour tissue can be accomplished to the blade 14 of sampler barrel 10 bottom, the section of thick bamboo chamber of sampler barrel 10 can hold the tumour tissue that the cutting got off, three angle knives 13 can make the tumour tissue that the cutting got off separate with the tumour, accomplish the tumour sample.

Further optimize the scheme, the bottom side of arch 11 is provided with boss 15, and the bottom side of first recess 12 is provided with the second recess 16 with boss 15 matched with, and push pedal 9 and arch 11 structure as an organic whole are the elastic material, including but not limited to rubber, plastics, and sampling tube 10 is stainless steel material, and the cooperation of elastic material and stainless steel material joint can realize being connected in the dismantlement of push pedal 9 and sampling tube 10.

Further optimize the scheme, handheld portion includes that two symmetries fixed connection have seted up first through-hole 3 at the journal stirrup 2 at 1 outside top on the first sleeve, and the first through-hole 3 that sets up on the journal stirrup 2 makes things convenient for operating personnel to insert forefinger and middle finger, realizes the fixed to first sleeve 1.

Further optimization scheme, sampler barrel 10 length is greater than 8 length of syringe needles, guarantees that sampler barrel 10 can stretch out from 8 syringe needles, accomplishes the tumour sample.

Further optimize the scheme, the frictional force between the push plate 9 and the second sleeve 7 is greater than the frictional force between the second sleeve 7 and the first sleeve 1, and after the second sleeve 7 drives the needle 8 to extend out from the second through hole 4 of the first sleeve 1, the push plate 9 can drive the sampling tube 10 to extend out from the needle 8.

Further optimize the scheme, the bottom end of the needle 8 is set to be an inclined plane, so that the needle 8 can pierce the skin of the patient more easily.

The working process of the embodiment is as follows:

when tumor tissue sampling is needed, an operator inserts an index finger and a middle finger into the first through hole 3, fixes the first sleeve 1, then places a thumb on the backing plate 5 and presses downwards with force, because the first sleeve 1 is made of stainless steel, the second sleeve 7 is made of plastic, the push plate 9 of the pushing part is made of elastic material, and the friction force between the stainless steel and the plastic is smaller than the friction force between the elastic material and the plastic, during the pressing downwards process, firstly, the second sleeve 7 drives the needle head 8 to move downwards, the needle head 8 extends out of the second through hole 4, after the needle head 8 completely extends out, the bottom end of the second sleeve 7 contacts with the bottom end of the first sleeve 1, the second sleeve 7 is fixed relative to the first sleeve 1 and does not slide any more, at the moment, the operator aims at the tumor part of the patient, punctures the skin of the tumor part of the patient by using the needle head 8, and continues to push the device forwards, until the needle 8 completely enters the tumor position of the patient, the backing plate 5 is continuously pressed, at this time, the pushing part and the second sleeve 7 slide relatively, the sampling head extends out from the needle 8, the tumor is cut when contacting the tumor, the cut tumor tissue is remained in the cavity of the sampling tube 10 along with the continuous extension of the sampling head, after the sampling tube 10 completely extends out of the needle 8, the push plate 9 contacts with the bottom end of the second sleeve 7, the pushing part can not move downwards continuously, the sampling of the tumor is completed at this time, after the sampling is completed, when one hand fixes the first sleeve 1, the other hand rotates the pushing part, as the sampling head and the pushing part are fixedly connected together through the first groove 12 and the bulge 11, when the pushing part rotates, the sampling head also rotates along with the rotation, the triangular knife 13 fixed at the bottom end inside the sampling tube 10 is cut transversely in the rotating process, cut apart the tumour tissue and the tumour of sample, then extract sampling device from the patient on one's body, accomplish whole tumour sampling process, protruding 11 realizes the joint cooperation through boss and second recess with first recess 12, consequently extracts the in-process of device on one's body from the patient, and the sampling head can be along with being extracted together and can not stop in the patient internally.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A clinical sampling device that uses of tumour which characterized in that: including first sleeve (1), first sleeve (1) outside top is provided with handheld portion, second through-hole (4) have been seted up to first sleeve (1) bottom, first sleeve (1) is inside to be slided and is provided with second sleeve (7), second sleeve (7) bottom fixedly connected with syringe needle (8), syringe needle (8) with second through-hole (4) coaxial setting, syringe needle (8) slide and set up in second through-hole (4), the inside sampling device that is provided with of second sleeve (7), sampling device is including promotion portion and sample head, promotion portion with the connection can be dismantled to the sample head, the sample head with syringe needle (8) coaxial setting, promotion portion slides and sets up in second sleeve (7), the sample head slides and sets up in syringe needle (8).

2. The clinical sampling device for tumor according to claim 1, wherein: the promotion portion includes push rod (6), push rod (6) top fixedly connected with backing plate (5), push rod (6) bottom fixedly connected with push pedal (9), push pedal (9) with second sleeve (7) sliding connection, push pedal (9) bottom is provided with arch (11).

3. A clinical tumor sampling device as claimed in claim 2, wherein: sampling probe includes sampler barrel (10), sampler barrel (10) top seted up with protruding (11) matched with first recess (12), blade (14) have been seted up to sampler barrel (10) bottom, the inside fixedly connected with of sampler barrel (10) bottom triangle sword (13), sampler barrel (10) with syringe needle (8) sliding connection.

4. A clinical tumor sampling device according to claim 3, wherein: the bottom side of the protrusion (11) is provided with a boss (15), and the bottom side of the first groove (12) is provided with a second groove (16) matched with the boss (15).

5. The clinical sampling device for tumor according to claim 1, wherein: the handheld portion comprises two support lugs (2) which are symmetrically and fixedly connected to the top of the outer side of the first sleeve (1), and first through holes (3) are formed in the support lugs (2).

6. A clinical tumor sampling device according to claim 3, wherein: the length of the sampling tube (10) is larger than that of the needle (8).

7. A clinical tumor sampling device as claimed in claim 2, wherein: the friction force between the push plate (9) and the second sleeve (7) is larger than the friction force between the second sleeve (7) and the first sleeve (1).

8. The clinical sampling device for tumor according to claim 1, wherein: the bottom end of the needle head (8) is arranged to be an inclined plane.