CN218739002U - Solid tumour is with puncture sampling equipment - Google Patents
Solid tumour is with puncture sampling equipment Download PDFInfo
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- CN218739002U CN218739002U CN202221776709.7U CN202221776709U CN218739002U CN 218739002 U CN218739002 U CN 218739002U CN 202221776709 U CN202221776709 U CN 202221776709U CN 218739002 U CN218739002 U CN 218739002U
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Abstract
The utility model provides a solid tumour is with puncture sampling equipment, the utility model relates to the technical field of medical equipment. The utility model discloses a scheme: a puncture sampling device for solid tumors comprises a sampling needle cylinder, a pushing assembly, a sampling needle head and a first return spring; the pushing assembly comprises a piston shaft, a piston and a piston handle, one end of the piston shaft is connected with the piston, the other end of the piston shaft is connected with the piston handle, the piston is positioned in the sampling needle cylinder, and the sampling needle head is arranged on one side of the sampling needle cylinder; one side of sample cylinder is provided with the extension of outside extension along circumference, is connected with first reset spring between extension and the piston handle, installs between piston handle and the extension to be used for carrying on spacing subassembly to the piston rod. The utility model discloses avoid the both hands shake when can make medical personnel carry out syringe needle sampling method to make sampling work go on smoothly.
Description
Technical Field
The utility model relates to the technical field of medical equipment, particularly, relate to a solid tumour is with puncture sampling equipment.
Background
Malignant tumors are increasingly threatening humans and have become one of the most common causes of death, with the vast majority of tumors appearing in the form of masses called solid tumors (solid tumors). In order to prevent the disease from progressing, correct diagnosis needs to be carried out as early as possible, the nature, the malignancy degree and the stage of the pathological changes are determined, and a reasonable treatment scheme is determined, so that the survival rate of the patients is effectively improved. Pathological examination is an important diagnostic method, and is a direct and reliable basis for the determination of solid tumors, and is often a prerequisite for the treatment of solid tumors. The puncture biopsy is simple and convenient to operate, can be performed under local anesthesia in an outpatient clinic, has small damage and less bleeding to tissues due to puncture, and is a main method for pathological tissue examination.
At present, current puncture sampling method is mostly syringe needle sampling method, but this kind of method often receives the influence of various factors in having the actual operation, medical personnel need insert patient's disease department with the syringe needle earlier when the syringe needle sample, then twitch the piston shaft and extract sample thing to the cylinder in, but medical personnel need use both hands just can accomplish when twitching the piston shaft, thereby this process is easy that the both hands shake of medical personnel causes the syringe needle to cause the injury to the patient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a solid tumour is with puncture sampling equipment, it avoids the shake of both hands when making medical personnel carry out the syringe needle sampling method to make sampling work go on smoothly.
The embodiment of the utility model is realized like this:
the embodiment of the application provides a puncture sampling device for solid tumors, which comprises a sampling needle cylinder, a pushing assembly, a sampling needle head and a first return spring; the pushing assembly comprises a piston shaft, a piston and a piston handle, one end of the piston shaft is connected with the piston, the other end of the piston shaft is connected with the piston handle, the piston is positioned in the sampling needle cylinder, and the sampling needle head is arranged on one side of the sampling needle cylinder; one side of sample cylinder is provided with the extension of outside extension along circumference, is connected with first reset spring between extension and the piston handle, installs between piston handle and the extension to be used for carrying on spacing subassembly to the piston rod.
The utility model discloses an in some embodiments, above-mentioned spacing subassembly is including the installed part that is the tube-shape, set up in the mounting groove of piston handle, second reset spring, be wedge-shaped locating part, and one side of second reset spring is installed in the mounting groove, and the locating part is connected to second reset spring's opposite side, and the inside wall of installed part is provided with locating part complex spacing groove, and the inside wall of installed part is provided with locating part complex skew piece.
In some embodiments of the present invention, the second return spring is located at the original length, one side of the position-limiting element is located in the mounting groove, and the other side of the position-limiting element is located outside the mounting groove.
In some embodiments of the present invention, the height of the mounting groove is adapted to the height of the locating part, and the width of the mounting groove is greater than the width of the locating part.
In some embodiments of the present invention, the extension portion is provided with a connecting groove along a circumferential direction, and the mounting member is in threaded fit with the connecting groove.
In some embodiments of the present invention, the outer sidewall of the sampling needle cylinder is provided with anti-slip lines.
In some embodiments of the present invention, a sharp portion is disposed on one side of the sampling needle away from the sampling needle cylinder.
In some embodiments of the present invention, the sampling needle includes a first connecting portion and a second connecting portion, the first connecting portion is connected to the sampling needle cylinder, one side of the second connecting portion is located in the first connecting portion, and the first connecting portion is in threaded fit with the second connecting portion.
In some embodiments of the present invention, the sampling needle cover is provided with a positioning ring capable of moving along the sampling needle.
In some embodiments of the present invention, the positioning ring comprises a rubber sleeve.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
a puncture sampling device for solid tumors comprises a sampling needle cylinder, a pushing assembly, a sampling needle head and a first return spring; the pushing assembly comprises a piston shaft, a piston and a piston handle, one end of the piston shaft is connected with the piston, the other end of the piston shaft is connected with the piston handle, the piston is positioned in the sampling needle cylinder, and the sampling needle head is arranged on one side of the sampling needle cylinder; one side of sample cylinder is provided with the extension of outside extension along circumference, is connected with first reset spring between extension and the piston handle, installs between piston handle and the extension to be used for carrying on spacing subassembly to the piston rod.
Among the above-mentioned embodiment, a solid tumour is with puncture sampling device is by the sample cylinder, promote the subassembly, sample syringe needle and first reset spring are constituteed, it is by the piston axle to promote the subassembly, piston and piston handle are constituteed, piston and piston handle are connected respectively to the both sides of piston axle, the staff can promote the piston handle and make the piston move in the sample cylinder, the sample syringe needle is installed to one side of sample cylinder, one side that the sample syringe needle was kept away from to the sample cylinder is provided with the extension of outside extension along circumference, be connected with first reset spring between extension and the piston handle, it is concrete, thereby medical personnel promote the piston handle at first and make the piston move the air in the evacuation sample cylinder to sample syringe needle direction, first reset spring of this in-process is compressed, medical personnel lock spacing subassembly and make first reset spring keep the state of compressed, then the staff inserts the position department that the patient's tumour corresponds through the sample syringe needle and makes the sample syringe needle enter into patient's subcutaneous tissue, medical personnel relieve spacing subassembly and make first reset spring reply original length this moment, first reset spring drives the piston handle and stimulates the piston rod. Thereby drawing blood and tissue from the tumor into the sampling needle (which is hollow).
In this embodiment, medical personnel at first compress first reset spring, then lock the piston handle through spacing subassembly, even medical personnel cancel and apply in the power of piston handle also can make first reset spring keep compression state, medical personnel carry out the unblock to spacing subassembly after inserting patient's subcutaneous tissue with the sampling syringe needle, first reset spring resumes to pull out the piston rod after the deformation, thereby blood and tissue extraction to the patient, whole in-process medical personnel need not sample through both hands, and do not need manually to extract the piston rod, it causes the injury to the patient to have avoided taking place the shake among medical personnel's the sampling process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a puncture sampling device for solid tumors according to an embodiment of the present invention;
FIG. 2 is a schematic view of an installation groove of the embodiment of the present invention;
fig. 3 is a sectional view of a mounting member according to an embodiment of the present invention.
The following are marked in the figure: 1-sampling syringe, 2-piston shaft, 3-piston handle, 4-first return spring, 5-extension part, 6-installation part, 7-sampling needle head, 8-positioning ring, 9-installation groove, 10-second return spring, 11-limiting part, 12-limiting groove and 13-offset block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "set", "mounted", "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
Please refer to fig. 1-3. The embodiment provides a puncture sampling device for solid tumors, which comprises a sampling needle cylinder 1, a pushing assembly, a sampling needle head 7 and a first return spring 4; the pushing assembly comprises a piston shaft 2, a piston and a piston handle 3, one end of the piston shaft 2 is connected with the piston, the other end of the piston shaft 2 is connected with the piston handle 3, the piston is positioned in the sampling needle cylinder 1, and a sampling needle head 7 is installed on one side of the sampling needle cylinder 1; one side of sampling syringe 1 is provided with extension 5 to outside extension along circumference, is connected with first reset spring 4 between extension 5 and the piston handle 3, installs between piston handle 3 and the extension 5 to be used for carrying out spacing subassembly to the piston rod.
In the above-mentioned embodiment, a solid tumour is with puncture sampling device is by sample cylinder 1, promote the subassembly, sample syringe needle 7 and first reset spring 4 are constituteed, it is by piston shaft 2 to promote the subassembly, piston and piston handle 3 are constituteed, piston and piston handle 3 are connected respectively to the both sides of piston shaft 2, the staff can promote piston handle 3 and make the piston move in sample cylinder 1, sample syringe needle 7 is installed to one side of sample cylinder 1, one side that sample syringe needle 7 was kept away from to sample syringe needle 1 is provided with extension 5 to outside extension along circumference, be connected with first reset spring 4 between extension 5 and the piston handle 3, it is concrete, medical personnel promote piston handle 3 at first and make the piston move to sample syringe needle 7 direction thereby the air in the evacuation sample syringe needle 1, first reset spring 4 is compressed in this process, medical personnel lock spacing subassembly and make first reset spring 4 keep the state of compressed, then the staff inserts the position department that the patient's tumour corresponds through sample syringe needle 7 and makes sample syringe needle 7 enter into patient's subcutaneous tissue, medical personnel relieve spacing subassembly and make first reset spring 4 reply original length this moment, first reset spring 4 drives the piston rod to stimulate the piston rod. Thereby drawing blood and tissues in the tumor into the sampling needle 7 (the sampling needle 7 is hollow).
In this embodiment, medical personnel at first compress first reset spring 4, then lock piston handle 3 through spacing subassembly, even medical personnel cancel and apply in piston handle 3 power also can make first reset spring 4 keep compression state, medical personnel carry out the unblock to spacing subassembly after inserting patient's subcutaneous tissue with sample syringe needle 7, first reset spring 4 resumes behind the deformation and pulls out the piston rod, thereby blood and tissue extraction to the patient, whole in-process medical personnel need not take a sample through both hands, and do not need manually to extract the piston rod, it causes the injury to the patient to have avoided taking place the shake in medical personnel's sampling process.
Example 2
Please refer to fig. 1-3. In some embodiments of the present invention, the limiting component includes a mounting member 6 having a cylindrical shape, a mounting groove 9 disposed on the piston rod 3, a second return spring 10, and a wedge-shaped limiting member 11, one side of the second return spring 10 is mounted on the mounting groove 9, the other side of the second return spring 10 is connected to the limiting member 11, the inner side wall of the mounting member 6 is provided with a limiting groove 12 engaged with the limiting member 11, and the inner side wall of the mounting member 6 is provided with an offset block 13 engaged with the limiting member 11.
In this embodiment, spacing subassembly is by installed part 6, mounting groove 9, second reset spring 10, locating part 11, limiting groove 12 and skew piece 13 are constituteed, it is specific, first reset spring 4 is compressed when medical personnel press piston handle 3, it is wedge-shaped locating part 11 and gets into this in-process second reset spring 10 of installed part 6 and is compressed, second reset spring 10 replies deformation when reaching limiting groove 12 to locating part 11, locating part 11 falls into limiting groove 12 and carries out spacingly to piston handle 3, medical personnel can remove sample syringe needle 7 to patient's disease department this moment, medical personnel promote piston handle 3 once more when sample syringe needle 7 reachs sample department, the arcwall roll-off limiting groove 12 that is wedge-shaped locating part 11, contact with skew piece 13 when locating part 11 continues to slide, skew piece 13 makes locating part 11 move to the left side or move to the right, medical personnel cancel the power that applies on piston handle 3 this moment, locating part 11 can not fall into limiting groove 12 again after the skew after sliding process, piston handle 3 stimulates piston shaft 2 under the effect of first reset spring 4, thereby carry out the pulling to the patient, and do not need not take a sample the hand to medical personnel in the sample through the hand, medical personnel take a sample, the in-process, medical personnel take place the injury.
Example 3
Please refer to fig. 1-3. In some embodiments of the present invention, the second return spring 10 is in the original length, one side of the limiting member 11 is located in the mounting groove 9, and the other side of the limiting member 11 is located outside the mounting groove 9.
In this embodiment, one side of the limiting member 11 is located in the mounting groove 9, the other side of the limiting member 11 is located outside the mounting groove 9, and the second return spring 10 is prevented from being dislocated when the limiting member 11 abuts against the mounting member 6 and the limiting groove 12.
Example 4
Please refer to fig. 1-3. In some embodiments of the present invention, the height of the mounting groove 9 is adapted to the height of the limiting member 11, and the width of the mounting groove 9 is greater than the width of the limiting member 11.
In this embodiment, the limiting part 11 can only move left and right along the mounting groove 9, and cannot move up and down along the mounting groove 9, so that the whole operation is more accurate.
Example 5
Please refer to fig. 1-3. In some embodiments of the present invention, the extension portion 5 is circumferentially provided with a connecting groove, and the mounting member 6 is screw-fitted to the connecting groove.
Please refer to fig. 1-3. In this embodiment, installed part 6 can be dismantled with the spread groove and be connected, and medical personnel can rotate installed part 6 and make it install and dismantle with the spread groove, the change and the washing in the later stage of being convenient for.
Example 6
In some embodiments of the present invention, the outer sidewall of the sampling needle cylinder 1 is provided with anti-slip lines.
In this embodiment, can be with the more steady that sample cylinder 1 was taken through anti-skidding line when medical personnel held sample cylinder 1, improve the precision of sample.
Example 7
Please refer to fig. 1-3. In some embodiments of the present invention, a sharp portion is provided on the side of the sampling needle 7 away from the sampling needle cylinder 1.
In this embodiment, sampling needle 7 is provided with sharp portion, and medical personnel can be better insert sampling needle 7 into patient's subcutaneous tissue through sharp portion.
Example 8
Please refer to fig. 1-3. In some embodiments of the present invention, the sampling needle 7 includes a first connection portion and a second connection portion, the first connection portion is connected to the sampling needle cartridge 1, one side of the second connection portion is located in the first connection portion, and the first connection portion is in threaded fit with the second connection portion.
In this embodiment, the sampling needle 7 includes a first connecting portion and a second connecting portion, and the relative rotation of the first connecting portion and the second connecting portion can extend or shorten the sampling needle 7, and can be applied to different sampling situations.
Example 9
Please refer to fig. 1-3. In some embodiments of the present invention, the sampling needle 7 is provided with a positioning ring 8 capable of moving along the sampling needle 7.
In this embodiment, medical personnel can locate the preset position of sample syringe needle 7 with 8 covers of holding ring earlier, then can observe the distance that sample syringe needle 7 stretched into patient subcutaneous tissue among the sampling process, improve the accurate nature of taking a sample.
Example 10
Please refer to fig. 1-3. In some embodiments of the present invention, the positioning ring 8 comprises a rubber sleeve.
In this embodiment, the rubber sleeve has high elasticity, can be firmly sleeved on the sampling needle head 7, and is convenient for position adjustment.
In summary, the embodiment of the utility model provides a puncture sampling device for solid tumor, which comprises a sampling needle cylinder 1, a pushing component, a sampling needle head 7 and a first return spring 4; the pushing assembly comprises a piston shaft 2, a piston and a piston handle 3, one end of the piston shaft 2 is connected with the piston, the other end of the piston shaft 2 is connected with the piston handle 3, the piston is positioned in the sampling needle cylinder 1, and a sampling needle head 7 is installed on one side of the sampling needle cylinder 1; one side of sampling syringe 1 is provided with extension 5 to outside extension along circumference, is connected with first reset spring 4 between extension 5 and the piston handle 3, installs between piston handle 3 and the extension 5 to be used for carrying out spacing subassembly to the piston rod.
In the above-mentioned embodiment, a solid tumour is with puncture sampling device is by sample cylinder 1, promote the subassembly, sample syringe needle 7 and first reset spring 4 are constituteed, it is by piston shaft 2 to promote the subassembly, piston and piston handle 3 are constituteed, piston and piston handle 3 are connected respectively to the both sides of piston shaft 2, the staff can promote piston handle 3 and make the piston move in sample cylinder 1, sample syringe needle 7 is installed to one side of sample cylinder 1, one side that sample syringe needle 7 was kept away from to sample syringe needle 1 is provided with extension 5 to outside extension along circumference, be connected with first reset spring 4 between extension 5 and the piston handle 3, it is concrete, medical personnel promote piston handle 3 at first and make the piston move to sample syringe needle 7 direction thereby the air in the evacuation sample syringe needle 1, first reset spring 4 is compressed in this process, medical personnel lock spacing subassembly and make first reset spring 4 keep the state of compressed, then the staff inserts the position department that the patient's tumour corresponds through sample syringe needle 7 and makes sample syringe needle 7 enter into patient's subcutaneous tissue, medical personnel relieve spacing subassembly and make first reset spring 4 reply original length this moment, first reset spring 4 drives the piston rod to stimulate the piston rod. Thereby drawing blood and tissues in the tumor into the sampling needle 7 (the sampling needle 7 is hollow).
In this embodiment, medical personnel at first compress first reset spring 4, then lock piston handle 3 through spacing subassembly, even medical personnel cancel and apply also can make first reset spring 4 keep compression state in the power of piston handle 3 in, medical personnel carry out the unblock to spacing subassembly after inserting patient's subcutaneous tissue with sample syringe needle 7, first reset spring 4 resumes to pull out the piston rod after the deformation, thereby blood and tissue extraction to the patient, whole in-process medical personnel need not take a sample through both hands, and do not need manually to extract the piston rod, medical personnel take a sample the in-process and take place the shake and cause the injury to the patient.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A puncture sampling device for solid tumors is characterized by comprising a sampling needle cylinder, a pushing assembly, a sampling needle head and a first return spring;
the pushing assembly comprises a piston shaft, a piston and a piston handle, one end of the piston shaft is connected with the piston, the other end of the piston shaft is connected with the piston handle, the piston is positioned in the sampling needle cylinder, and the sampling needle head is arranged on one side of the sampling needle cylinder;
one side of the sampling needle cylinder is provided with an extension part extending outwards along the circumferential direction, a first return spring is connected between the extension part and the piston handle, and a limiting assembly used for limiting the piston shaft is installed between the piston handle and the extension part.
2. The puncture sampling device for the solid tumor according to claim 1, wherein the limiting component comprises a cylindrical mounting member, a mounting groove arranged on the piston handle, a second return spring, and a wedge-shaped limiting member, one side of the second return spring is mounted on the mounting groove, the other side of the second return spring is connected with the limiting member, a limiting groove matched with the limiting member is arranged on the inner side wall of the mounting member, and an offset block matched with the limiting member is arranged on the inner side wall of the mounting member.
3. The solid tumor puncture sampling device according to claim 2, wherein when the second return spring is in the original length, one side of the limiting member is located in the mounting groove, and the other side of the limiting member is located outside the mounting groove.
4. The apparatus according to claim 2, wherein the height of the mounting groove is adapted to the height of the position-limiting member, and the width of the mounting groove is greater than the width of the position-limiting member.
5. A puncture sampling device for solid tumor according to claim 2, wherein the extension part is provided with a connecting groove along the circumferential direction, and the mounting part is screw-engaged with the connecting groove.
6. The puncture sampling device for solid tumors according to claim 2, characterized in that the outer side wall of the sampling needle cylinder is provided with anti-skid veins.
7. A puncture sampling device for solid tumor according to claim 2, characterized in that the side of the sampling needle remote from the sampling cylinder is provided with a sharp part.
8. The solid tumor puncturing and sampling device of claim 7, wherein the sampling needle comprises a first connecting portion and a second connecting portion, the first connecting portion is connected with the sampling syringe, one side of the second connecting portion is located in the first connecting portion, and the first connecting portion is in threaded engagement with the second connecting portion.
9. The apparatus according to claim 7, wherein the sampling needle is provided with a positioning ring capable of moving along the sampling needle.
10. A puncture sampling device for solid tumors according to claim 9, wherein the positioning ring comprises a rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221776709.7U CN218739002U (en) | 2022-07-11 | 2022-07-11 | Solid tumour is with puncture sampling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221776709.7U CN218739002U (en) | 2022-07-11 | 2022-07-11 | Solid tumour is with puncture sampling equipment |
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| Publication Number | Publication Date |
|---|---|
| CN218739002U true CN218739002U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221776709.7U Active CN218739002U (en) | 2022-07-11 | 2022-07-11 | Solid tumour is with puncture sampling equipment |
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| CN (1) | CN218739002U (en) |
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- 2022-07-11 CN CN202221776709.7U patent/CN218739002U/en active Active
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