CN112155607A

CN112155607A - Thyroid puncture device

Info

Publication number: CN112155607A
Application number: CN202011085021.XA
Authority: CN
Inventors: 蒋小娟; 余富杰; 邹家群; 王春
Original assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Current assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-01

Abstract

The invention discloses a thyroid puncture device, which comprises: the steel needle, the cone, the sheath, the cylinder, the baffle, a piston, the piston rod, the bulb, the connecting pipe, first elastic component and bellows, the cylinder includes two piston holes that the interval set up, the baffle sets up in the piston hole, the baffle sets up first feed liquor hole, the cone rotatably sets up in cylinder one end, the cylinder one end is kept away from at the cone to the steel needle setting, be provided with fluid passage intercommunication steel needle and a piston hole in the cone, the connecting pipe sets up on the bulb, bellows connecting connection connecting pipe and baffle, first elastic component cover is established on the connecting pipe, be provided with first feed liquor hole of second feed liquor hole intercommunication and fluid passage on the bulb, bellows one side is kept away from at the baffle to the piston setting, piston rod and piston connection, cone and cylinder are connected to the. The invention avoids multiple punctures when extracting the capsule liquid and injecting the medicine, and reduces the pain of the patient and the risk of infection.

Description

Thyroid puncture device

Technical Field

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

Background

At present, thyroid contrast medium needs to be injected before thyroid fluid is sucked for a patient clinically, and the thyroid fluid is extracted through puncture after injection. During treatment, thyroid fluid is often required to be sucked as a sample for inspection, and a medicament (a hardening agent) is required to be injected into a thyroid sac cavity for multiple times and sucked out, so that the sac cavity is washed for multiple times for treatment, the sac wall is dehydrated and necrotic, blood vessels are occluded, a small amount of treatment medicament is reserved when the treatment is finished, and finally the purpose of cyst reduction is achieved through autologous absorption of the reserved medicament. The existing tools for sucking and injecting the thyroid fluid are separated, so that more articles need to be prepared in the treatment operation, the occupied time is longer, and the pain of a patient is increased. Often need a lot of samples when the cyst fluid sampling is examined to and need many times to wash repeatedly when the injection is washed and just have the effect, if use current medical instrument, this process needs the utensil of change suction many times, needs the assistant moreover, has also increased patient's risk of infecting.

Disclosure of Invention

The invention aims to provide a thyroid puncturing device which avoids multiple punctures when capsule liquid is extracted and medicine is injected and reduces the pain of a patient and the risk of infection.

In order to achieve the above object, the present invention provides a thyroid puncturing device comprising: the needle cylinder comprises two piston holes which are arranged at intervals, the partition plate is arranged in the piston holes, the partition plate is provided with a first liquid inlet hole, the cone is rotatably arranged at one end of the needle cylinder, the steel needle is arranged at one end, far away from the needle cylinder, of the cone, a liquid channel is arranged in the cone and communicated with the steel needle and the piston holes, the connecting pipe is arranged on the ball head, the corrugated pipe is connected with the connecting pipe and the partition plate, the first elastic piece is sleeved on the connecting pipe, a second liquid inlet hole is arranged on the ball head and communicated with the first liquid inlet hole and the liquid channel, the piston is arranged at one side, far away from the corrugated pipe, of the partition plate, and the piston rod is connected with the piston, the sheath connects the cone and the barrel.

Optionally, a sealing ring is arranged at one end of the liquid channel close to the ball head.

Optionally, the syringe includes three piston holes, the piston hole is in syringe circumferencial direction evenly distributed.

Optionally, the thyroid puncturing device further comprises an indwelling needle, the indwelling needle comprising: needle file, isolation stopper, hold needle handle, guide needle and keep somewhere soft needle, the needle file includes an inner chamber, keep apart the stopper setting and be in inner chamber one end, it is in to keep somewhere the soft needle setting and be in and feed through on the needle file the inner chamber, the guide needle passes keep apart the stopper setting and be in keep somewhere in the soft needle, it is in to hold the needle handle setting the needle file is kept away from keep somewhere soft needle one end and with the guide needle is connected.

Optionally, the thyroid puncturing device further comprises: the propelling mechanism comprises a plug screw and a clamping unit, the plug screw is arranged in the piston hole, the piston hole is far away from one end of the cone and is in threaded connection with the needle cylinder, the piston rod penetrates through the plug screw, and the clamping unit is arranged in the plug screw and is used for clamping or releasing the piston rod.

Optionally, the clamping unit includes: the clamp comprises a clamp hoop, a compression nut and a clamping ring, wherein the clamp hoop is a ring body with a gap, the clamping ring is arranged in the clamp hoop, the compression nut comprises a tapered hole, the clamp hoop is partially arranged in the tapered hole, the compression nut is arranged in a central hole of the screw plug and is in threaded connection with the screw plug, and the tapered hole of the compression nut extrudes the clamp hoop to clamp the piston rod.

Optionally, the thyroid puncture device still includes the check valve, the check valve is two and sets up respectively in the second inlet port with in the liquid passage, when two the check valve is close to each other and can open the check valve.

Optionally, the check valve includes: valve block, baffle and second elastic component, the valve block sets up baffle one side, the second elastic component is connected the valve block with the baffle, the baffle is provided with the weeping hole, be provided with the boss on the valve block, the boss is located in the weeping hole, two the mutual extrusion of boss of check valve can make the check valve opens.

In the thyroid puncturing device provided by the invention, one piston hole of the needle cylinder is communicated with the liquid channel of the cone, the ball head in the piston hole communicates the liquid channel with the second liquid inlet hole under the pressure of the first elastic part, the first liquid inlet hole and the second liquid inlet hole are communicated with the corrugated pipe through the connecting pipe, when the needle cylinder is rotated, the ball head in the other piston hole is communicated with the liquid channel, one piston hole is used for sucking thyroid gland liquid, the other piston hole is used for injecting medicines, the thyroid gland liquid and the injected medicines share the same steel needle, multiple punctures during capsule liquid extraction and medicine injection are avoided, and the pain and infection risk of a patient are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a schematic view of a thyroid puncturing device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a syringe provided in accordance with an embodiment of the present invention;

FIG. 3 is a schematic view of an indwelling needle according to an embodiment of the present invention;

FIG. 4 is a schematic view of a propulsion apparatus according to an embodiment of the present invention;

fig. 5 is a schematic view of a check valve installation according to an embodiment of the present invention.

Wherein: 1-steel needle, 2-cone, 201-liquid channel, 3-sheath, 4-sealing ring, 5-needle cylinder, 501-piston hole, 6-clapboard, 601-first liquid inlet hole, 7-piston, 8-piston rod, 9-needle base, 10-isolating plug, 11-needle holding handle, 12-guide needle, 13-retaining soft needle, 14-plug screw, 15-anchor ear, 16-pressing nut, 17-clamping ring, 18-ball head, 181-second liquid inlet hole, 19-connecting tube, 20-first elastic piece, 21-bellows, 22-valve plate, 221-boss, 23-baffle, 231-liquid leakage hole and 24-second elastic piece.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Fig. 1 is a schematic view of a thyroid puncturing device according to an embodiment of the present invention, and fig. 2 is a schematic view of a syringe according to an embodiment of the present invention, and referring to fig. 1 to 2, the thyroid puncturing device includes: the needle cylinder 5 comprises two piston holes 501 arranged at intervals, the partition plate 6 is arranged in the piston holes 501, the partition plate 6 is provided with a first liquid inlet hole 601, the cone 2 is rotatably arranged at one end of the needle cylinder 5, the steel needle 1 is arranged at one end, far away from the needle cylinder 5, of the cone 2, one end, where the steel needle 1 is located, of the cone 2 is the tip end of the cone 2, a liquid channel 201 is arranged in the cone 2 to communicate the steel needle 1 with the piston holes 501, the connecting pipe 19 is arranged on the ball head 18, the corrugated pipe 21 is connected with the connecting pipe 19 and the partition plate 6, the first elastic part 20 is sleeved on the connecting pipe 19 to enable the partition plate 6 and the ball head 18 to be far away from each other, the bulb 18 is provided with a second liquid inlet hole 181 communicated with the first liquid inlet hole 601 and the liquid channel 201, the first liquid inlet hole 601 is communicated with the second liquid inlet hole 181 through a corrugated pipe 21 and a connecting pipe 19, the piston 7 is arranged on one side of the partition plate 6 far away from the corrugated pipe 21, the piston rod 8 is connected with the piston 7, the piston 7 moves to inject medicine into a thyroid sac cavity through a steel needle 1 or suck thyroid gland into the piston hole, the sheath 3 is connected with the cone 2 and the needle cylinder 5, the tip of the cone 2 penetrates through the sheath 3, and the sheath 3 is connected with one end of the needle cylinder 5. The cone 2 and the barrel 5 may be provided with a sealing connection, while the cone 2 and the shield 3 are sealed against leakage. When the steel needle 1 directly punctures the thyroid gland to suck the sac fluid, the needle cylinder 5 is rotated to connect the other piston hole 501 with the steel needle 1 after the suction is finished, and the medicine in the other piston hole 501 is injected into the sac cavity of the thyroid gland.

Further, a sealing ring 4 is arranged at one end of the liquid channel 201 close to the ball head 148. The ball head 18 is partially positioned in the liquid passage 201, and the sealing ring 4 is tightly attached to the ball head 18 under the action of the first elastic element 20, so that liquid in the passage is prevented from leaking from the joint of the ball head 18 and the liquid passage 201. The needle cylinder 5 comprises three piston holes 501, and the piston holes 501 are uniformly distributed in the circumferential direction of the needle cylinder 5. Three plunger bores 501 are used for contrast media injection, capsule fluid aspiration, and drug injection, respectively.

Fig. 3 is a schematic view of an indwelling needle according to an embodiment of the present invention, and referring to fig. 3, the thyroid puncturing device further includes an indwelling needle including: needle file 9, isolation stopper 10, hold needle handle 11, guide needle 12 and keep somewhere soft needle 13, needle file 9 includes an inner chamber, isolation stopper 10 sets up inner chamber one end, it sets up to keep somewhere soft needle 13 on the needle file 9 and communicate the inner chamber of needle file 9, guide needle 12 passes isolation stopper 10 sets up keep somewhere in the soft needle 12, it sets up to hold needle handle 11 the needle file 9 is kept away from keep somewhere soft needle 13 one end and with guide needle 12 connects. When the needle is used, the indwelling soft needle 12 penetrates into a sac cavity of the thyroid through the guiding needle 12, then the guiding needle 12 is drawn out, the indwelling soft needle 12 is left in the sac cavity of the thyroid, the steel needle 1 penetrates through the isolating plug 10 and is communicated with the inner cavity of the needle seat 9, and the situation that the steel needle 1 shakes to increase pain of a patient in the processes of sucking sac liquid and injecting medicine is avoided.

Fig. 4 is a schematic view of a propulsion device according to an embodiment of the present invention, and the thyroid puncturing device further includes: the propelling mechanism comprises a plug screw 14 and a clamping unit, the plug screw 14 is arranged at one end, far away from the cone 2, of the piston hole 501 and is in threaded connection with the needle cylinder 5, the piston rod 8 penetrates through the plug screw 14, and the clamping unit is arranged on the plug screw 14 and is used for clamping or releasing the piston rod 8. The clamping unit specifically comprises: the clamp structure comprises a hoop 15, a compression nut 16 and a clamping ring 17, wherein a central hole is formed in the right end of a screw plug 14, the hoop 15 is a ring body with a gap, the clamping ring 17 is arranged in the hoop 15, the compression nut 16 comprises a tapered hole, a part of the hoop 15 is arranged in the tapered hole, the compression nut 16 is arranged in the central hole of the screw plug 14 and is in threaded connection with the screw plug 14, and when the compression nut 16 is screwed, the hoop 15 is extruded into the tapered hole of the compression nut 16 to be continuously contracted, so that the clamping ring 17 is tightly attached to a piston rod 8 to clamp the piston rod 8. When the liquid in the thyroid gland sac cavity is sticky or the liquid in the thyroid gland sac cavity is subjected to solid nodule, the resistance for pulling the piston 7 is increased, or when the liquid in the thyroid gland sac cavity is sucked out and the sac cavity is closed, slow suction is needed to prevent the sac cavity from being punctured, and the piston rod 8 can be slowly moved by rotating the screw plug 14.

Fig. 5 is an installation schematic diagram of a check valve according to an embodiment of the present invention, and referring to fig. 5, the thyroid puncturing device further includes two check valves, the two check valves are respectively disposed in the second liquid inlet hole 181 and the liquid passage 201, and when the two check valves are close to each other, the check valves can be opened. The provision of the check valve can prevent the liquid in the liquid passage 201 and the liquid in the second liquid inlet hole 181 from overflowing into the piston hole 501. Specifically, the check valve includes: valve block 22, baffle 23 and second elastic component 24, valve block 22 sets up baffle 23 one side, second elastic component 24 is connected valve block 22 with baffle 23, baffle 23 is provided with weeping hole 231, be provided with the boss on the valve block 22, the boss is the hemisphere, the boss is located in weeping hole 231, the diameter of boss is less than the aperture of weeping hole 231, bulb 18 is close to cone 2, two under the effect of first elastic component 20 the boss of check valve extrudees each other, and valve block 22 and baffle 23 keep away from each other and make the check valve open, and two check valve dislocation during rotation, under the effect of second elastic component 24, valve block 22 and baffle 23 are close to each other and close the check valve, prevent that liquid in the liquid channel 201 and the liquid in the second feed liquor hole 181 from overflowing to piston hole 501.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; 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; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A thyroid puncturing device, comprising: the needle cylinder comprises two piston holes which are arranged at intervals, the partition plate is arranged in the piston holes, the partition plate is provided with a first liquid inlet hole, the cone is rotatably arranged at one end of the needle cylinder, the steel needle is arranged at one end, far away from the needle cylinder, of the cone, a liquid channel is arranged in the cone and communicated with the steel needle and the piston holes, the connecting pipe is arranged on the ball head, the corrugated pipe is connected with the connecting pipe and the partition plate, the first elastic piece is sleeved on the connecting pipe, a second liquid inlet hole is arranged on the ball head and communicated with the first liquid inlet hole and the liquid channel, the piston is arranged at one side, far away from the corrugated pipe, of the partition plate, and the piston rod is connected with the piston, the sheath connects the cone and the barrel.

2. The thyroid puncturing device of claim 1, wherein the fluid passageway is provided with a sealing ring proximate an end of the ball head.

3. The thyroid puncturing device of claim 1, wherein the barrel comprises three piston bores, the piston bores being evenly distributed about a circumference of the barrel.

4. The thyroid puncturing device of claim 1, further comprising an indwelling needle comprising: needle file, isolation stopper, hold needle handle, guide needle and keep somewhere soft needle, the needle file includes an inner chamber, keep apart the stopper setting and be in inner chamber one end, it is in to keep somewhere the soft needle setting and be in and feed through on the needle file the inner chamber, the guide needle passes keep apart the stopper setting and be in keep somewhere in the soft needle, it is in to hold the needle handle setting the needle file is kept away from keep somewhere soft needle one end and with the guide needle is connected.

5. The thyroid puncturing device of claim 1, further comprising: the propelling mechanism comprises a plug screw and a clamping unit, the plug screw is arranged in the piston hole, the piston hole is far away from one end of the cone and is in threaded connection with the needle cylinder, the piston rod penetrates through the plug screw, and the clamping unit is arranged in the plug screw and is used for clamping or releasing the piston rod.

6. The thyroid puncturing device of claim 5, wherein the grip unit comprises: the clamp comprises a clamp hoop, a compression nut and a clamping ring, wherein the clamp hoop is a ring body with a gap, the clamping ring is arranged in the clamp hoop, the compression nut comprises a tapered hole, the clamp hoop is partially arranged in the tapered hole, the compression nut is arranged in a central hole of the screw plug and is in threaded connection with the screw plug, and the tapered hole of the compression nut extrudes the clamp hoop to clamp the piston rod.

7. The thyroid puncturing device of claim 1, further comprising two check valves disposed in the second inlet opening and in the fluid pathway, wherein the two check valves are configured to open when they are in close proximity to each other.

8. The thyroid puncturing device of claim 7, wherein the one-way valve comprises: valve block, baffle and second elastic component, the valve block sets up baffle one side, the second elastic component is connected the valve block with the baffle, the baffle is provided with the weeping hole, be provided with the boss on the valve block, the boss is located in the weeping hole, two the mutual extrusion of boss of check valve can make the check valve opens.