CN214434312U

CN214434312U - Bone tumor biopsy puncture needle

Info

Publication number: CN214434312U
Application number: CN202023175505.1U
Authority: CN
Inventors: 刘育玲; 史金凤; 屈琳琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-22
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a bone tumor biopsy puncture needle, which comprises a sleeve, a threaded column, a knob, a base, a first piston, a first pull rod, a second piston, a second pull rod, a catheter and a needle body; the base is provided with a first piston cavity and a second piston cavity; the base is fixedly connected to the side edge of the threaded column; the first piston rod is arranged in the first piston cavity; the first pull rod is fixedly connected with the first piston rod; the second piston is arranged in the second piston cavity; the second pull rod is fixedly connected with the second piston; the liquid guide pipe is fixedly connected and communicated with the base; the needle body is fixedly connected with the side edge of the base; aim at the puncture position with the pointed end of needle body during the use and puncture, can take a sample the bone tumour through the sample connection on the needle body, through the leading-in second piston intracavity of catheter with the liquid medicine, promote the second pull rod after the sample is accomplished, can lead to the liquid outlet with the liquid medicine to in the needle way that the needle body stayed to can in time prevent the tumour diffusion.

Description

Bone tumor biopsy puncture needle

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a bone tumor biopsy pjncture needle.

Background

When bone tumor biopsy is performed on a bone tumor patient, the bone tumor needs to be firstly punctured, a small amount of tissues are taken out from a diseased part of the patient to prepare a pathological section, the shapes of tumor cells and tissue structures are observed under a microscope, the properties, the histological types, the differentiation degree and the like of the tumor are determined, and a reliable basis is provided for clinical treatment. Because tumor cells flow to the periphery of a puncture opening through a needle channel left in the puncture process, in order to avoid tumor diffusion, an anti-tumor drug needs to be injected into the needle channel after bone tumor is extracted, but the existing bone tumor biopsy puncture needle does not have the function of injecting the drug, and the injection needle needs to be replaced additionally to inject the drug, so that the tumor diffusion is easily caused due to untimely drug injection, and the human health is harmed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bone tumor biopsy pjncture needle aims at solving the problem that current bone tumor biopsy pjncture needle can't in time inject the medicine.

In order to achieve the purpose, the utility model provides a bone tumor biopsy puncture needle, which comprises a sleeve, a threaded column, a knob, a base, a first piston, a first pull rod, a second piston, a second pull rod, a catheter and a needle body; the threaded column is in threaded connection with the sleeve and penetrates through the sleeve; the knob is fixedly connected with the threaded column and is positioned on the side edge of the threaded column; the base is fixedly connected with the threaded column and is positioned at one end, far away from the knob, of the threaded column; the base is provided with a first piston cavity, a first connecting hole, a second piston cavity and a second connecting hole; the first connecting hole is communicated with the first piston cavity, and the second connecting hole is communicated with the second piston cavity; the first piston is connected with the base in a sliding mode and is positioned in the first piston cavity; one end of the first pull rod is fixedly connected with the first piston, and one end, far away from the first piston, of the first pull rod penetrates through the base; the second piston is connected with the base in a sliding mode and is positioned in the second piston cavity; one end of the second pull rod is fixedly connected with the second piston, and one end, far away from the second piston, of the second pull rod penetrates through the base; the liquid guide pipe is fixedly connected with the base, is communicated with the second piston cavity and is positioned on the side edge of the base; the needle body is fixedly connected and communicated with the base and is positioned on one side of the base, which is far away from the threaded column; the needle body is provided with a sampling port and a liquid outlet; the sampling port is communicated with the first connecting hole; the liquid outlet is communicated with the second connecting hole.

Wherein, the bone tumor biopsy puncture needle also comprises two bracelets; two the bracelet respectively with sleeve pipe fixed connection to be located respectively the sleeve pipe side.

Wherein, the bone tumor biopsy puncture needle also comprises two anti-skid pads; two the slipmat respectively with two bracelet fixed connection to be located two respectively the bracelet side.

Wherein the bone tumor biopsy puncture needle further comprises a control valve; the control valve is fixedly connected and communicated with the liquid guide pipe and is positioned on the side of the liquid guide pipe.

The bone tumor biopsy puncture needle further comprises a positioning body and a fixing screw; the positioning body is connected with the needle body in a sliding way and is penetrated by the needle body; the fixing screw is in threaded connection with the positioning body and is positioned on the side edge of the positioning body.

Wherein the bone tumor biopsy puncture needle further comprises a plurality of anti-skid lines; the anti-skid lines are respectively and fixedly connected with the knob and are respectively positioned on the side edges of the knob.

When the bone tumor biopsy puncture needle is used, the sleeve is held by hand, the tip end of the needle body is aligned to a puncture part for puncture, and when hard bone tissues are contacted and cannot be punctured, the knob is rotated to drive the threaded column to rotate, so that the base and the needle body rotate, the puncture effect is improved, and the needle body can be contacted with bone tumors; the bone tumor can be sampled through the sampling port on the needle body, and the first piston can be driven to move by pulling the first pull rod, so that bone tumor tissues in the sampling port can be adsorbed; through with catheter and outside medicine storage equipment intercommunication can with liquid medicine leading-in to in the second piston intracavity, promote after accomplishing bone tumor sampling the second pull rod for the second piston with the liquid medicine in the second piston intracavity is followed the second connecting hole is leading-in to in the liquid outlet, and follow the liquid outlet flows to in the needle track that the needle body stayed, thereby can in time prevent the tumour diffusion. According to the depth of puncture, through with the location body slides to the suitable position of needle body, the rethread is screwed tight set screw will the location body is fixed to can provide the location effect when the puncture, promptly when the needle body is in bone tumour department, the location body can be in the skin surface, thereby can indicate the doctor to stop inserting the needle. Through two the bracelet, can be convenient for the doctor to take the sleeve pipe to be convenient for carry out sample work. Through the slipmat can avoid the doctor to take place the hand cunning during bracelet. The control valve can be used for conveniently controlling the communication and the closing of the liquid guide pipe, thereby facilitating the timely injection of liquid medicine by a doctor. Through a plurality of anti-skidding line can provide anti-skidding effect when rotating the knob to the doctor of being convenient for advances the needle. Through the above mode, can carry out timely injection medicine to the needle way after the bone tumour sample to the patient, prevent the diffusion of bone tumour.

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 description of the embodiments or the prior art will be briefly described below, 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 structural view of a bone tumor biopsy needle according to the present invention;

fig. 2 is a front sectional view of the bone tumor biopsy puncture needle of the present invention.

1-sleeve pipe, 2-threaded column, 3-knob, 4-base, 5-first piston, 6-first pull rod, 7-second piston, 8-second pull rod, 9-catheter, 10-needle body, 11-bracelet, 12-non-slip mat, 13-control valve, 14-positioning body, 15-fixing screw, 16-non-slip pattern, 41-first piston cavity, 42-first connecting hole, 43-second piston cavity, 44-second connecting hole, 101-sampling port and 102-liquid outlet.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "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 and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 2, the present invention provides a bone tumor biopsy puncture needle: comprises a sleeve 1, a threaded column 2, a knob 3, a base 4, a first piston 5, a first pull rod 6, a second piston 7, a second pull rod 8, a catheter 9 and a needle body 10; the threaded column 2 is in threaded connection with the sleeve 1 and penetrates through the sleeve 1; the knob 3 is fixedly connected with the threaded column 2 and is positioned on the side edge of the threaded column 2; the base 4 is fixedly connected with the threaded column 2 and is positioned at one end of the threaded column 2 far away from the knob 3; the base 4 has a first piston chamber 41, a first connection hole 42, a second piston chamber 43, and a second connection hole 44; the first connection hole 42 communicates with the first piston chamber 41, and the second connection hole 44 communicates with the second piston chamber 43; the first piston 5 is slidably connected with the base 4 and is positioned in the first piston cavity 41; one end of the first pull rod 6 is fixedly connected with the first piston 5, and one end, far away from the first piston 5, of the first pull rod 6 penetrates through the base 4; the second piston 7 is slidably connected with the base 4 and is positioned in the second piston cavity 43; one end of the second pull rod 8 is fixedly connected with the second piston 7, and one end, far away from the second piston 7, of the second pull rod 8 penetrates through the base 4; the liquid guide tube 9 is fixedly connected with the base 4, is communicated with the second piston cavity 43 and is positioned on the side edge of the base 4; the needle body 10 is fixedly connected and communicated with the base 4 and is positioned on one side of the base 4 far away from the threaded column 2; the needle body 10 is provided with a sampling port 101 and a liquid outlet 102; the sampling port 101 and the first connection hole 42 are communicated; the liquid outlet 102 communicates with the second connection hole 44.

In the embodiment, when the puncture needle is used, the cannula 1 is held by hand, the tip end of the needle body 10 is aligned to a puncture part for puncture, and when hard bone tissues are contacted and cannot be punctured, the knob 3 is rotated to drive the threaded column 2 to rotate, so that the base 4 and the needle body 10 rotate, the puncture effect is improved, and the needle body 10 can be contacted with bone tumors; the bone tumor can be sampled through the sampling port 101 on the needle body 10, and the first piston 5 can be driven to move by pulling the first pull rod 6, so that bone tumor tissues in the sampling port 101 can be adsorbed; through communicating the liquid guide tube 9 with an external medicine storage device, the liquid medicine can be guided into the second piston cavity 43, and the second pull rod 8 is pushed after the bone tumor is sampled, so that the liquid medicine in the second piston cavity 43 is guided into the liquid outlet 102 from the second connecting hole 44 by the second piston 7 and flows into the needle channel left by the needle body 10 from the liquid outlet 102, and the tumor diffusion can be prevented in time. Through the above mode, can carry out timely injection medicine to the needle way after the bone tumour sample to the patient, prevent the diffusion of bone tumour.

Further, the bone tumor biopsy puncture needle further comprises two bracelets 11; two the bracelet 11 respectively with sleeve pipe 1 fixed connection, and be located respectively sleeve pipe 1 side.

In this embodiment, through two bracelet 11, can be convenient for the doctor to take sleeve pipe 1 to be convenient for carry out the sample work.

Further, the bone tumor biopsy puncture needle also comprises two anti-skid pads 12; two the slipmat 12 respectively with two bracelet 11 fixed connection, and be located two respectively bracelet 11 side.

In this embodiment, through the non-slip mat 12, the hand slip can be avoided when the doctor takes the bracelet 11.

Further, the bone tumor biopsy puncture needle further comprises a control valve 13; the control valve 13 is fixedly connected and communicated with the liquid guide pipe 9 and is positioned at the side of the liquid guide pipe 9.

In this embodiment, the control valve 13 can facilitate the control of the connection and disconnection of the catheter 9, thereby facilitating the timely injection of the medical solution by the doctor.

Further, the bone tumor biopsy puncture needle also comprises a positioning body 14 and a fixing screw 15; the positioning body 14 is connected with the needle body 10 in a sliding way and is penetrated by the needle body 10; the fixing screw 15 is in threaded connection with the positioning body 14 and is positioned on the side of the positioning body 14.

In the present embodiment, according to the depth of the puncture, the positioning body 14 is slid to a proper position of the needle body 10, and then the fixing screw 15 is screwed to fix the positioning body 14, so that a positioning effect can be provided during the puncture, that is, when the needle body 10 is located at a bone tumor, the positioning body 14 is located on the surface of the skin, so that a doctor can be prompted to stop the needle insertion.

Further, the bone tumor biopsy puncture needle also comprises a plurality of anti-skid lines 16; the anti-skid grains 16 are respectively and fixedly connected with the knob 3 and are respectively positioned on the side edges of the knob 3.

In the present embodiment, the plurality of the anti-slip lines 16 can provide an anti-slip effect when the knob 3 is rotated, thereby facilitating needle insertion by a doctor.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when in use, the sleeve 1 is held by hand, the tip end of the needle body 10 is aligned with the puncture position for puncture, when the hard bone tissue is contacted and the puncture cannot be performed, the knob 3 is rotated to drive the threaded column 2 to rotate, so that the base 4 and the needle body 10 rotate, the puncture effect is improved, and the needle body 10 can contact the bone tumor; the bone tumor can be sampled through the sampling port 101 on the needle body 10, and the first piston 5 can be driven to move by pulling the first pull rod 6, so that bone tumor tissues in the sampling port 101 can be adsorbed; through communicating the liquid guide tube 9 with an external medicine storage device, the liquid medicine can be guided into the second piston cavity 43, and the second pull rod 8 is pushed after the bone tumor is sampled, so that the liquid medicine in the second piston cavity 43 is guided into the liquid outlet 102 from the second connecting hole 44 by the second piston 7 and flows into the needle channel left by the needle body 10 from the liquid outlet 102, and the tumor diffusion can be prevented in time. According to the puncture depth, the positioning body 14 is slid to the proper position of the needle body 10, and then the fixing screw 15 is screwed to fix the positioning body 14, so that the positioning effect can be provided during puncture, namely when the needle body 10 is positioned at a bone tumor, the positioning body 14 is positioned on the surface of the skin, and a doctor can be prompted to stop inserting the needle. Through two bracelet 11, the doctor of can being convenient for takes sleeve pipe 1 to be convenient for carry out sample work. Through slipmat 12 can avoid the doctor to take place the hand smooth during bracelet 11. The control valve 13 can be used for conveniently controlling the communication and the closing of the liquid guide tube 9, thereby facilitating the timely injection of liquid medicine by a doctor. Through a plurality of the anti-slip lines 16, an anti-slip effect can be provided when the knob 3 is rotated, so that the needle insertion of a doctor is facilitated. Through the above mode, can carry out timely injection medicine to the needle way after the bone tumour sample to the patient, prevent the diffusion of bone tumour.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. A bone tumor biopsy puncture needle is characterized by comprising a sleeve, a threaded column, a knob, a base, a first piston, a first pull rod, a second piston, a second pull rod, a catheter and a needle body; the threaded column is in threaded connection with the sleeve and penetrates through the sleeve; the knob is fixedly connected with the threaded column and is positioned on the side edge of the threaded column; the base is fixedly connected with the threaded column and is positioned at one end, far away from the knob, of the threaded column; the base is provided with a first piston cavity, a first connecting hole, a second piston cavity and a second connecting hole; the first connecting hole is communicated with the first piston cavity, and the second connecting hole is communicated with the second piston cavity; the first piston is connected with the base in a sliding mode and is positioned in the first piston cavity; one end of the first pull rod is fixedly connected with the first piston, and one end, far away from the first piston, of the first pull rod penetrates through the base; the second piston is connected with the base in a sliding mode and is positioned in the second piston cavity; one end of the second pull rod is fixedly connected with the second piston, and one end, far away from the second piston, of the second pull rod penetrates through the base; the liquid guide pipe is fixedly connected with the base, is communicated with the second piston cavity and is positioned on the side edge of the base; the needle body is fixedly connected and communicated with the base and is positioned on one side of the base, which is far away from the threaded column; the needle body is provided with a sampling port and a liquid outlet; the sampling port is communicated with the first connecting hole; the liquid outlet is communicated with the second connecting hole.

2. The bone tumor biopsy needle of claim 1, further comprising two bracelets; two the bracelet respectively with sleeve pipe fixed connection to be located respectively the sleeve pipe side.

3. The bone tumor biopsy needle of claim 2, further comprising two non-slip pads; two the slipmat respectively with two bracelet fixed connection to be located two respectively the bracelet side.

4. The bone tumor biopsy needle of claim 3, further comprising a control valve; the control valve is fixedly connected and communicated with the liquid guide pipe and is positioned on the side of the liquid guide pipe.

5. The bone tumor biopsy needle of claim 4, further comprising a positioning body and a set screw; the positioning body is connected with the needle body in a sliding way and is penetrated by the needle body; the fixing screw is in threaded connection with the positioning body and is positioned on the side edge of the positioning body.

6. The bone tumor biopsy needle of claim 5, further comprising a plurality of non-slip threads; the anti-skid lines are respectively and fixedly connected with the knob and are respectively positioned on the side edges of the knob.