CN111329562A

CN111329562A - Combined device for thyroid puncture

Info

Publication number: CN111329562A
Application number: CN202010183206.8A
Authority: CN
Inventors: 贺菲菲; 章恒; 单丽; 刘晓风; 徐琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-06-26

Abstract

The invention discloses a combined device for thyroid puncture, and relates to the technical field of medical instruments. Comprises a hand-held needle tube, a puncture needle head, an adjusting mechanism and a fixing mechanism, wherein the puncture needle head is arranged at the top end of the hand-held needle tube, the adjusting mechanism divides the hand-held needle tube into an extraction cavity and a negative pressure cavity, the puncture needle head is positioned at the outer side of the negative pressure cavity, the fixing mechanism consists of a first supporting folding arm, a second supporting folding arm, a supporting block, a clamping block and a clamping strip, the hand shaking of medical personnel is prevented from causing injury and discomfort to patients through the fixing mechanism for fixing the position of the puncture needle head in the using process of the medical device, the extraction cavity and the negative pressure cavity are in a communicated state through pressing the adjusting mechanism, the needle tube is convenient to use, can help medical personnel to accurately and stably puncture and sample the thyroid, and can reduce pain and discomfort of a patient in the puncture process.

Description

Combined device for thyroid puncture

Technical Field

The invention relates to the technical field of medical instruments, in particular to a combined device for thyroid puncture.

Background

Thyroid puncture is a common examination method for some thyroid diseases, is a thyroid tumor and thyroid nodule diseases, can determine the properties of nodules or tumors through thyroid puncture examination, and has the advantages of simple and rapid operation, repeated puncture and the like.

Because the thyroid gland puncture operation has certain danger, in order to reduce the risk of the thyroid gland puncture operation, the combined tool for thyroid gland puncture disclosed by the patent with the patent number of CN110037747A in the prior art is used for helping medical workers to perform the thyroid gland puncture operation, the patent comprises a negative pressure injector, one end of the negative pressure injector is connected with a puncture needle head, a liquid collecting bottle and an adjustable puncture fixing device for limiting the puncture position are arranged below the negative pressure injector, the adjustable puncture fixing device comprises a sleeve neck and a movable connecting assembly, the movable connecting assembly comprises a first perforated plate which is integrally formed with the negative pressure injector, a left perforated plate and a right perforated plate which are integrally formed with the sleeve neck, and fastening screws for fixing the first perforated plate and the second perforated plate, two ends of the sleeve neck are respectively connected with a magic tape male surface and a magic tape female surface, so that the thyroid gland tubercle and cyst of a patient can be repeatedly sucked, the thyroid gland puncture combined tool reduces the burden of more pain of patients caused by multiple times of inserting and pulling puncture, keeps the relative fixation between the thyroid gland puncture combined tool and the thyroid gland position of the patients in the process of carrying out thyroid gland puncture on the patients, and ensures the accuracy and reliability of diagnosis and treatment results.

However, in the use process of the device, the needle is punctured into the skin of a human body, the negative pressure injector needs to be manually controlled to suck thyroid biopsy tissue, but fingers need to use large force in the process of manually pulling and controlling the negative pressure injector, so that the hands of medical workers shake, the needle in the human body moves, the patient feels intense discomfort and even pain, and meanwhile, when the negative pressure injector is manually controlled, the force application of the medical workers is uneven, and the sampling effect required for thyroid puncture is influenced.

Disclosure of Invention

The invention aims to provide a combined device for thyroid puncture, which solves the technical problem that a patient easily feels strong discomfort when a negative pressure injector is manually operated by a thyroid puncture tool in the prior art.

A combined device for thyroid puncture comprises a handheld needle tube, a puncture needle head, an adjusting mechanism and a fixing mechanism, wherein the puncture needle head is arranged at the top end of the handheld needle tube, the fixing mechanism is arranged on the handheld needle tube and sleeved at the puncture needle head, the adjusting mechanism is arranged in the handheld needle tube, the handheld needle tube is divided into an extraction cavity and a negative pressure cavity by the adjusting mechanism, the puncture needle head is positioned at the outer side of the negative pressure cavity, the fixing mechanism consists of a first supporting folding arm, a second supporting folding arm, a supporting block, a clamping block and a clamping strip, the first supporting folding arm and the second supporting folding arm are arranged in a V shape, one end of the first supporting folding arm and one end of the second supporting folding arm are respectively arranged at two sides of the handheld needle tube, the other ends of the first supporting folding arm and the second supporting folding arm are respectively connected to the supporting block, and the clamping block is fixed at the bending end of the first supporting folding arm, the clamping and fixing strip is fixed at the bent part of the second support folding arm and inserted into the clamping and fixing block, clamping pieces are arranged on the clamping and fixing strip and the clamping and fixing block, a needle head penetrating opening is formed in the center of the supporting block, and the puncture needle head penetrates through the first support folding arm and the second support folding arm clamping and fixing strip and is located at the needle head penetrating opening.

Further, adjustment mechanism comprises regulation sprue, adjustment button, reset spring and reset block, the setting of regulation sprue is in handheld needle tubing, the regulation sprue will be handheld needle tubing split into extraction chamber and negative pressure chamber, be equipped with the opening on the regulation sprue, the reset block is installed on adjustment button, adjustment button sets up on the regulation sprue just the reset block is in the regulation sprue, be equipped with the reset hole in the reset block, reset spring sets up between adjustment button and regulation sprue.

Further, the bottom in extraction chamber is equipped with connection port, connection port department installs the biopsy test tube.

Furthermore, a first sealing rubber ring is arranged on the connecting port.

Further, the bottom of the connection port converges toward the center.

Further, a layer of sterilized cotton pad is arranged on the supporting block.

Furthermore, the outer side of the hand-held needle tube is provided with anti-skid grains.

Further, the tail part of the negative pressure cavity is provided with a negative pressure one-way connecting valve.

Furthermore, a second sealing rubber ring is arranged on the negative pressure one-way connecting valve.

Furthermore, the whole handheld needle tube is made of transparent materials.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the hand-held needle tube is fixed through the arranged fixing mechanism, the first support folding arm and the second support folding arm are locked after the puncture needle head is inserted into a proper position by utilizing the mutual matching of the arranged clamping blocks and the clamping strips, and the position between the skin of a human body and the hand-held needle tube is limited through the support blocks, so that the hand shaking of medical personnel is prevented from causing injury and discomfort to a patient.

Secondly, the negative pressure one-way connecting valve is arranged at the tail of the negative pressure cavity, when medical staff need to puncture and draw liquid for thyroid cyst patients, the negative pressure one-way connecting valve can be connected into the negative pressure machine, negative pressure is continuously generated in the negative pressure cavity through the negative pressure machine, accordingly, redundant liquid in the thyroid gland can be continuously sucked and removed through the handheld needle tube, the practicability of the thyroid gland is improved, the suction force of the negative pressure machine to the thyroid gland is uniform, the discomfort of the patients is reduced, and the use comfort of the thyroid gland is improved.

Thirdly, the bottom of the extraction cavity is provided with the connecting port, the biopsy test tube is installed at the connecting port, and medical personnel can take the biopsy test tube with thyroid gland biopsy tissue out of the handheld needle tube to take the biopsy test tube for laboratory examination, so that not only can the puncture specimen be prevented from being polluted, but also the convenience of the invention is improved.

Drawings

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

FIG. 1 is a schematic view of a first angular configuration of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a second angular configuration of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is a cross-sectional view of a hand held syringe according to the present invention;

FIG. 6 is a cross-sectional view of the regulating mechanism of the present invention in a closed state;

FIG. 7 is a cross-sectional view of the adjustment mechanism of the present invention in an open position;

FIG. 8 is a schematic view of the supporting state of the fixing mechanism on the skin of a human body according to the present invention;

reference numerals: the device comprises a handheld needle tube 1, a puncture needle head 11, an adjusting mechanism 12, an adjusting block 121, a flow hole 1211, an adjusting button 122, a reset spring 123, a reset block 124, a reset hole 1241, a pumping cavity 13, a connecting port 131, a biopsy test tube 1311, a first sealing rubber ring 1312, a negative pressure cavity 14, a negative pressure one-way connecting valve 141, a second sealing rubber ring 1411, an anti-skid texture 15, a fixing mechanism 2, a first supporting folding arm 21, a second supporting folding arm 22, a supporting block 23, a needle head penetrating port 231, a sterilized cotton pad 232, a clamping block 24 and a clamping strip 25.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to fig. 1 to 8, and it is obvious that the described embodiments are some, not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a composite set for thyroid gland puncture, includes handheld needle tubing 1, puncture needle 11, adjustment mechanism 12 and fixed establishment 2, puncture needle 11 installs the top at handheld needle tubing 1, fixed establishment 2 installs on handheld needle tubing 1 and the cover is established on puncture needle 11, adjustment mechanism 12 sets up in handheld needle tubing 1, adjustment mechanism 12 divides handheld needle tubing 1 into extraction chamber 13 and negative pressure chamber 14, puncture needle 11 is in the outside of negative pressure chamber 14, can control the intercommunication state between extraction chamber 13 and the negative pressure chamber 14 through adjustment mechanism 12, when adjustment mechanism 12 separates between extraction chamber 13 and the negative pressure chamber 14, have normal atmospheric pressure in the extraction chamber 13, when adjustment mechanism 12 will extract between chamber 13 and the negative pressure chamber 14 the intercommunication, be in the negative pressure state in the extraction chamber 13, can extract thyroid gland biopsy tissue through puncture needle 11 this moment, the fixing mechanism 2 is composed of a first supporting folding arm 21, a second supporting folding arm 22, a supporting block 23, a clamping block 24 and a clamping strip 25, the first supporting folding arm 21 and the second supporting folding arm 22 are arranged in a V shape, one end of the first supporting folding arm 21 and one end of the second supporting folding arm 22 are respectively arranged on two sides of the handheld needle tube 1, the other end of the first supporting folding arm 21 and the other end of the second supporting folding arm 22 are respectively connected to the supporting block 23, the clamping block 24 is fixed at the bending end of the first supporting folding arm 21, the clamping strip 25 is fixed at the bending end of the second supporting folding arm 22, the clamping strip 25 is inserted into the clamping block 24, clamping pieces are respectively arranged on the clamping strip 25 and the clamping block 24, the positions of the clamping strip 25 and the clamping block 24 can be fixed through clamping, a needle head penetrating opening 231 is arranged in the center of the supporting block 23, and the puncture needle head 11 penetrates through the first supporting folding arm 21, the second supporting folding arm 22, the clamping block 22, and the, The second support flap 22 engages the strip 25 and is located at the needle penetration 231.

When the invention is used, firstly, medical personnel finds out the position of a patient needing thyroid gland puncture, holds the hand-held needle tube 1 in the hand and aligns the needle head penetrating port 231 with the needed puncture position, gradually pushes the hand-held needle tube 1 into the direction of the patient to prick the puncture needle head 11 into the patient, the clamping block 24 is contacted with the skin of the patient, the first supporting folding arm 21 and the second supporting folding arm 22 are bent outwards and the distance between the clamping block 24 and the skin of the patient is shortened, the clamping block 24 moves on the clamping strip 25, when the puncture needle head 11 is pricked into the proper depth of the human body, the clamping block 24 and the clamping strip 25 are locked and can not move, so that the puncture needle head 11 can not go deep into the human body continuously to support the hand-held needle tube 1 by taking the supporting block 23 and the skin as the supporting point, and the injury and the discomfort of the patient caused by the hand shaking of the medical personnel are prevented, at this moment, medical personnel gently press the adjusting mechanism 12 to enable the extraction cavity 13 and the negative pressure cavity 14 to be in a communicated state, and the thyroid biopsy tissue is extracted by utilizing the negative pressure in the handheld needle tube 1, so that the medical personnel can conveniently detect the thyroid biopsy tissue.

Preferably, the adjusting mechanism 12 is composed of an adjusting block 121, an adjusting button 122, a return spring 123 and a reset block 124, the adjusting block 121 is disposed in the hand-held needle tube 1, the hand-held needle tube 1 is divided into the pumping chamber 13 and the negative pressure chamber 14 by the adjusting block 121, the adjusting block 121 is provided with a flow hole 1211, the reset block 124 is mounted on the adjusting button 122, the adjusting button 122 is disposed on the adjusting block 121, the reset block 124 is disposed in the adjusting block 121, the reset block 124 is provided with a return hole 1241, the return spring 123 is disposed between the adjusting button 122 and the adjusting block 121, when the medical staff presses the adjusting button 122, the reset block 124 descends to communicate the return hole 1241 in the reset block 124 with the flow hole 1211 in the adjusting block 121, so as to communicate the pumping chamber 13 with the negative pressure chamber 14, when the medical staff releases the adjusting button 122, the return spring 123 pushes up to move the adjusting button 122 and the reset block 124 upwards, so that the reset hole 1241 in the reset block 124 and the flow hole 1211 in the adjusting block 121 are staggered to block the suction chamber 13 and the negative pressure chamber 14.

Preferably, the bottom of extraction chamber 13 is equipped with connection port 131, connection port 131 department installs biopsy test tube 1311, during the use, install biopsy test tube 1311 on connection port 131, medical personnel hold between the fingers hand and hold syringe 1 and biopsy test tube 1311 sets up down, press adjustment mechanism 12, make and be the connected state between extraction chamber 13 and the negative pressure chamber 14, utilize the negative pressure in holding syringe 1 to extract thyroid gland biopsy tissue, thyroid gland biopsy tissue gets into extraction chamber 13 through the needle tubing this moment, and flow in biopsy test tube 1311 under the effect of gravity, medical personnel will hold after syringe 1 extracts from the patient with the hand again and take out the biopsy test tube 1311 that has thyroid gland biopsy tissue from holding syringe 1 and take the chemical examination.

Preferably, a first sealing rubber ring 1312 is arranged on the connecting port 131, the biopsy tube 1311 is inserted into the connecting port 131, and the first sealing rubber ring 1312 is blocked at the contact part of the biopsy tube 1311 and the connecting port 131, so that the connection airtightness between the connecting port 131 and the biopsy tube 1311 is increased, the effect of extraction is prevented from being influenced by air leakage in the extraction cavity 13, and meanwhile, bacteria are prevented from entering a wound of a patient through the connecting port 131 to cause infection.

Preferably, the bottom of the connection port 131 is gathered toward the center, and it is effective to prevent the thyroid biopsy from splashing into the aspiration lumen 13 due to vibration by gathering the bottom of the connection port 131 toward the center.

Preferably, a layer of the sterilized cotton pad 232 is arranged on the supporting block 23, when the medical nursing pad is used, a medical care personnel sprays a small amount of medical alcohol on the sterilized cotton pad 232, and the puncture part of a patient can be sterilized through the sterilized cotton pad 232, so that the wound is prevented from being infected by bacteria.

Preferably, the outside of handheld needle tube 1 is equipped with anti-skidding line 15, increases medical personnel through anti-skidding line 15 to the stability of gripping of handheld needle tube 1 to prevent that handheld needle tube 1 from sliding in the doctor's hand and influencing the accuracy of puncture.

Preferably, the tail part of the negative pressure cavity 14 is provided with a negative pressure one-way connecting valve 141, when medical personnel find that the thyroid gland of a patient has a cyst, and liquid in the thyroid gland needs to be pumped out, the negative pressure one-way connecting valve 141 can be connected into a negative pressure machine, negative pressure is continuously generated in the negative pressure cavity 14 through the negative pressure machine, accordingly, redundant liquid in the thyroid gland can be continuously sucked out through the handheld needle tube 1, and the suction force of the thyroid gland is uniform through the negative pressure machine, so that discomfort of the patient is reduced.

Preferably, the negative pressure one-way connection valve 141 is provided with a second sealing rubber ring 1411, and the connection airtightness between the negative pressure machine and the negative pressure one-way connection valve 141 can be increased through the second sealing rubber ring 1411, so that the stability of the negative pressure suction force in the invention is increased.

Preferably, handheld needle tube 1 is wholly transparent material, and its effect lies in, lets medical personnel observe in real time the extraction state in to handheld needle tube 1 to can control adjustment mechanism 12 according to actual state.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The thyroid puncture combination device is characterized by comprising a handheld needle tube (1), a puncture needle head (11), an adjusting mechanism (12) and a fixing mechanism (2), wherein the puncture needle head (11) is installed at the top end of the handheld needle tube (1), the fixing mechanism (2) is installed on the handheld needle tube (1) and sleeved at the puncture needle head (11), the adjusting mechanism (12) is arranged in the handheld needle tube (1), the adjusting mechanism (12) divides the handheld needle tube (1) into an extraction cavity (13) and a negative pressure cavity (14), the puncture needle head (11) is positioned at the outer side of the negative pressure cavity (14), the fixing mechanism (2) is composed of a first supporting folding arm (21), a second supporting folding arm (22), a supporting block (23), a clamping block (24) and a clamping and fixing strip (25), the first supporting folding arm (21) and the second supporting folding arm (22) are arranged in a V shape, one end of each of the first support folding arm (21) and the second support folding arm (22) is arranged on two sides of the handheld needle tube (1), the other end of each of the first support folding arm (21) and the second support folding arm (22) is connected to the corresponding support block (23), the clamping block (24) is fixed at the bending end of the first support folding arm (21), the clamping fixing strip (25) is fixed at the bending position of the second support folding arm (22), the clamping fixing strip (25) is inserted into the clamping block (24), clamping pieces are arranged on the clamping fixing strip (25) and the clamping block (24), a needle penetrating opening (231) is formed in the center of the support block (23), and the puncture needle (11) penetrates through the clamping fixing strips (25) of the first support folding arm (21) and the second support folding arm (22) and is located at the needle penetrating opening (231).

2. The combination thyroid puncturing device according to claim 1, the adjusting mechanism (12) consists of an adjusting block (121), an adjusting button (122), a return spring (123) and a return block (124), the adjusting block (121) is arranged in the hand-held needle tube (1), the adjusting block (121) divides the hand-held needle tube (1) into an extraction cavity (13) and a negative pressure cavity (14), the adjusting block (121) is provided with a circulation hole (1211), the reset block (124) is arranged on the adjusting button (122), the adjusting button (122) is arranged on the adjusting block (121) and the reset block (124) is positioned in the adjusting block (121), a reset hole (1241) is formed in the reset block (124), and the reset spring (123) is arranged between the adjusting button (122) and the adjusting block (121).

3. Combination set for thyroid puncture according to claim 1, wherein the bottom of the aspiration chamber (13) is provided with a connection port (131), and a biopsy tube (1311) is mounted at the connection port (131).

4. A combined thyroid puncturing device according to claim 3, wherein the connection port (131) is provided with a first sealant ring (1312).

5. A combined thyroid puncturing device according to claim 3, wherein the bottom of the connection port (131) converges towards the centre.

6. A combined thyroid-piercing device according to claim 1, wherein said support block (23) is provided with a layer of sterile cotton pad (232).

7. The combined device for thyroid puncture according to claim 1, wherein the outer side of the hand-held needle tube (1) is provided with an anti-skid texture (15).

8. The combined device for thyroid puncture according to claim 1, wherein the tail of the negative pressure cavity (14) is provided with a negative pressure one-way connecting valve (141).

9. The combination set for thyroid puncture according to claim 8, wherein the negative pressure one-way connection valve (141) is provided with a second sealing rubber ring (1411).

10. The combined device for thyroid puncture according to claim 1, wherein the hand-held needle tube (1) is entirely made of transparent material.