CN113349838A

CN113349838A - Puncture sampler for oncology department

Info

Publication number: CN113349838A
Application number: CN202110611604.XA
Authority: CN
Inventors: 翟阳
Original assignee: Shaanxi Provincial Cancer Hospital
Current assignee: Shaanxi Provincial Cancer Hospital
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-09-07

Abstract

The invention relates to the technical field of medical surgical instruments, in particular to a puncture sampler for oncology department; the puncture sampler for the oncology department comprises a puncture outer needle and a sampling inner needle, wherein the puncture outer needle and the sampling inner needle are arranged in the same direction, and the puncture outer needle is sleeved on the peripheral side of the sampling inner needle; the outer needle of puncture includes the barrel casing, is equipped with first needle point and the needle handle of sample groove, and the periphery side of needle handle is located to the barrel casing cover, and with needle handle sliding connection, first needle point then sets up in the downside of needle handle, and with needle handle fixed connection, the first needle point is then radially run through in the sample groove, utilizes first needle point and barrel casing cooperation to the protection of the tumour after the realization after the sample, the tumour cell diffusion when avoiding the sample to other positions, leads to the condition that the tumour appears the diffusion.

Description

Puncture sampler for oncology department

Technical Field

The invention relates to the technical field of medical surgical instruments, in particular to a puncture sampler for an oncology department.

Background

Tumors are diseases seriously harming human health and life, the incidence rate is gradually increased in recent years, and the needle biopsy is a main way for obtaining pathological diagnosis of tumors in oncology;

the prior art generally uses a puncture sampler to sample a tumor, but the existing puncture sampler risks spreading to other parts of a human body during sampling if the tumor is malignant, and threatens the life of a patient.

Disclosure of Invention

The invention aims to provide a puncture sampler for oncology, which aims to solve the problem that the puncture sampler in the prior art has a spreading risk when sampling malignant tumors.

In order to achieve the purpose, the invention provides an oncology puncture sampler which comprises a puncture outer needle and a sampling inner needle, wherein the puncture outer needle and the sampling inner needle are arranged in the same direction, and the puncture outer needle is sleeved on the peripheral side of the sampling inner needle;

the outer needle of puncture includes the barrel casing, is equipped with first needle point and the needle handle in sample groove, the barrel casing cover is located the periphery side of needle handle, and with needle handle sliding connection, first needle point then set up in the downside of needle handle, and with needle handle fixed connection, the sample groove then radially runs through first needle point.

Utilize the barrel casing cooperation first needle point to the realization is to the puncture sample back of tumour, avoids the tumour to spread other positions through the puncture hole, leads to appearing the condition of tumour diffusion.

The needle holder is provided with a needle handle, a needle sleeve, a storage cavity and a release ring, wherein the sleeve is provided with a fitting bulge, the fitting bulge is arranged on the inner side of the sleeve and is in sliding connection with the needle handle, the storage cavity is arranged on the inner side of the sleeve and is communicated with the release ring, and the release ring is arranged on the lower side of the sleeve.

The hemostatic enzyme is stored in the storage chamber and released through the release ring, so that hemostasis can be rapidly performed on a sampling position after sampling.

Wherein, the barrel casing still including impel piece, stroke spring, stroke limiting rod and connection stroke baffle, impel the piece with barrel casing fixed connection, and set up in the outside of barrel casing, the one end of stroke spring with barrel casing fixed connection, the other end of stroke spring then with connect stroke baffle fixed connection, the stroke limiting rod is then followed the length extending direction of stroke spring sets up, and set up in the inboard of stroke spring, connect the stroke baffle then with needle handle fixed connection, just connect the stroke baffle with stroke limiting rod sliding connection.

The pushing block is utilized to send the barrel sleeve to a sampling position, and the stroke spring is utilized to enable the barrel sleeve to reset, so that the working strength in the puncture sampling process is effectively reduced.

The connecting stroke baffle is provided with a sliding hole and a damping sponge, the sliding hole is formed in the center of the connecting stroke baffle and is in sliding connection with the stroke limiting rod, and the damping sponge is arranged on one side, close to the barrel sleeve, of the connecting stroke baffle.

The sliding hole is used for being matched with the stroke limiting rod, so that the resetting and the moving of the sleeve are realized on the same path.

The needle handle is provided with a matching sliding groove and a handle body, the handle body is arranged at the upper end of the first needle point, and the matching sliding grooves are arranged on two sides of the handle body and are connected with the first needle point.

The path of displacement of the cartridge is limited by the cooperating runner.

The first needle tip comprises a beveled tip and an outer shell, the outer shell is connected with the handle body and is matched with the sampling inner needle, and the beveled tip is arranged on the lower side of the outer shell.

Utilizing the beveled tip to enter the body and utilizing the outer housing to provide clearance for the inner sampling needle to move.

According to the puncture sampler for the oncology department, the first needle point is matched with the barrel sleeve, so that the tumor after sampling is protected, and the condition that the tumor cells spread to other parts during sampling to cause the tumor to spread is avoided.

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 the drawings without creative efforts.

Fig. 1 is a schematic view of an axial structure of a puncture sampler for oncology provided by the invention.

Fig. 2 is a schematic bottom view of the puncture sampler for oncology provided by the invention.

Fig. 3 is a schematic axial view of a cartridge of the puncture sampler for oncology provided by the invention.

Fig. 4 is a schematic cross-sectional structural view of a cartridge of the puncture sampler for oncology provided by the invention.

Fig. 5 is a schematic axial structure diagram of the first needle point and the needle handle of the cartridge of the puncture sampler for oncology provided by the invention.

Fig. 6 is a schematic axial structure diagram of the second needle point and the push rod of the cartridge of the puncture sampler for oncology provided by the invention.

Fig. 7 is a partial enlarged structural schematic diagram of a second needle point and a push rod of a barrel sleeve of the puncture sampler for oncology provided by the invention.

1-puncture outer needle, 2-sampling inner needle, 11-sleeve, 12-first needle point, 13-needle handle, 21-second needle point, 22-push rod, 111-fit protrusion, 112-storage chamber, 113-release ring, 114-push block, 115-stroke spring, 116-stroke limiting rod, 117-connecting stroke baffle, 118-sliding hole, 119-shock-absorbing sponge, 121-sampling groove, 122-chamfered tip, 123-outer shell, 131-matching sliding groove, 132-handle body, 211-sealing groove, 212-cutting plate, 213-sealing plate, 214-cutting edge and 215-arc protrusion.

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 or similar 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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the 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 the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 7, the present invention provides an oncology puncture sampler, which includes a puncture outer needle 1 and a sampling inner needle 2, wherein the puncture outer needle 1 and the sampling inner needle 2 are arranged in the same direction, and the puncture outer needle 1 is sleeved on the outer peripheral side of the sampling inner needle 2;

the outer needle 1 of puncture includes barrel casing 11, the first pinpoint 12 and the needle handle 13 that are equipped with sample groove 121, barrel casing 11 cover is located the periphery side of needle handle 13, and with needle handle 13 sliding connection, first pinpoint 12 then set up in the downside of needle handle 13, and with needle handle 13 fixed connection, sample groove 121 then radially runs through first pinpoint 12.

In this embodiment, the puncture outer needle 1 is used for getting into the body, the needle 2 then carries out the tumour sample in the sample, barrel 11 cooperation first needle point 12 in the sample after the needle 2 sample, will tumour cell on the first needle point 12 is separated with the puncture mouth that produces during the sample to avoid tumour cell to adhere to on the first needle point 12, take out spread to other positions of health on the first needle point 12, the sample groove 121 is then used for cooperating needle 2 in the sample, in order to take a sample, the needle handle 13 then cooperates first needle point 12.

Further, the barrel sleeve 11 is provided with a fitting protrusion 111, a storage cavity 112 and a release ring 113, the fitting protrusion 111 is arranged on the inner side of the barrel sleeve 11, the fitting protrusion 111 is slidably connected with the needle handle 13, the storage cavity 112 is arranged on the inner side of the barrel sleeve 11, the storage cavity 112 is communicated with the release ring 113, and the release ring 113 is arranged on the lower side of the barrel sleeve 11;

the barrel sleeve 11 further comprises a pushing block 114, a stroke spring 115, a stroke limiting rod 116 and a connecting stroke baffle 117, wherein the pushing block 114 is fixedly connected with the barrel sleeve 11 and arranged on the outer side of the barrel sleeve 11, one end of the stroke spring 115 is fixedly connected with the barrel sleeve 11, the other end of the stroke spring 115 is fixedly connected with the connecting stroke baffle 117, the stroke limiting rod 116 is arranged along the length extending direction of the stroke spring 115 and arranged on the inner side of the stroke spring 115, the connecting stroke baffle 117 is fixedly connected with the needle handle 13, and the connecting stroke baffle 117 is slidably connected with the stroke limiting rod 116;

the connecting stroke baffle 117 is provided with a sliding hole 118 and a damping sponge 119, the sliding hole 118 is disposed at the center of the connecting stroke baffle 117 and is slidably connected with the stroke limiting rod 116, and the damping sponge 119 is disposed at one side of the connecting stroke baffle 117 close to the sleeve 11.

In this embodiment, the engaging protrusion 111 is configured to engage with the needle handle 13 to limit a moving path of the barrel 11, the storage chamber 112 is configured to store hemostatic enzymes and release the hemostatic enzymes by the release ring 113, after sampling is completed, the barrel 11 is moved to separate tumor cells on the first needle tip 12 from the puncture opening and release hemostatic enzymes to allow the wound to heal rapidly to prevent malignant tumor cells from spreading due to puncture, the pushing block 114 is configured to push the barrel 11, the stroke spring 115 is disposed outside the stroke limiting rod 116 to facilitate resetting of the stroke limiting rod 116, the connection stroke blocking plate 117 is configured to engage with the stroke spring 115, the sliding hole 118 is configured to engage with the stroke limiting rod 116 to allow the stroke limiting rod 116 to move along with the connection stroke blocking plate 117, the damping sponge 119 prevents the sleeve 11 from being in hard contact with the connection stroke stop 117 when it is reset.

Further, the needle handle 13 has a matching sliding groove 131 and a handle body 132, the handle body 132 is disposed at the upper end of the first needle point 12, the matching sliding groove 131 is disposed at two sides of the handle body 132 and connected with the first needle point 12;

the first needle tip 12 comprises a beveled tip 122 and an outer housing 123, the outer housing 123 is connected to the handle 132, the outer housing 123 is engaged with the inner sampling needle 2, and the beveled tip 122 is disposed at the lower side of the outer housing 123.

In this embodiment, the matching sliding groove 131 matches with the matching protrusion 111, the handle 132 is used for disposing the matching sliding groove 131, the chamfered tip 122 is used for piercing the body part to be sampled, and the outer housing 123 provides a closed environment for the sampling inner needle 2.

Further, the sampling inner needle 2 comprises a second needle point 21 and a push rod 22, the push rod 22 is arranged on the inner side of the puncture outer needle 1 and is matched with the first needle point 12 and the needle handle 13, and the second needle point 21 is arranged on the lower side of the push rod 22.

Second needle point 21 has closed recess 211, cutting board 212 and closing plate 213, closed recess 211 set up in the downside of second needle point 21, cutting board 212 then set up in the inner wall both sides of closed recess 211, just cutting board 212 with the inner wall of first needle point 12 agrees with, closing plate 213 set up in the downside of closed recess 211, and with the downside of closed recess 211 agrees with.

The cutting board 212 has a cutting edge 214 and an arc protrusion 215, the cutting edge 214 is disposed on one side of the arc protrusion 215, the cutting edge 214 is attached to the first needle point 12, the arc protrusion 215 is connected to the cutting edge 214 and the inner wall of the closed groove 211, and the arc protrusion 215 is engaged with the first needle point 12.

In this embodiment, the second needle point 21 moves along with the push rod 22 and then enters the first needle point 12, the sealing groove 211 is matched with the cutting plate 212 to perform sampling, the push rod 22 is rotated to rotate the second needle point 21 until the sealing groove 211 is not communicated with the sampling groove 121, so that a tumor entering the sampling groove 121 is cut by the cutting plate 212, the obtained sample is sealed between the first needle point 12 and the second needle point 21, contact with the outside is avoided, and the situation of avoiding spreading of a malignant tumor is realized, and the sealing plate 213 is used for sealing the sealing groove 211.

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 detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A puncture sampler for oncology, which is characterized in that,

the puncture sampler for the oncology department comprises a puncture outer needle and a sampling inner needle, wherein the puncture outer needle and the sampling inner needle are arranged in the same direction, and the puncture outer needle is sleeved on the peripheral side of the sampling inner needle;

2. An oncology puncture sampler according to claim 1,

the barrel sleeve is provided with a fitting protrusion, a storage cavity and a release ring, the fitting protrusion is arranged on the inner side of the barrel sleeve and is in sliding connection with the needle handle, the storage cavity is arranged on the inner side of the barrel sleeve and is communicated with the release ring, and the release ring is arranged on the lower side of the barrel sleeve.

3. An oncology puncture sampler according to claim 2,

the barrel casing still including impel piece, stroke spring, stroke limiting rod and connection stroke baffle, impel the piece with barrel casing fixed connection, and set up in the outside of barrel casing, the one end of stroke spring with barrel casing fixed connection, the other end of stroke spring then with connect stroke baffle fixed connection, the stroke limiting rod is then followed the length extending direction of stroke spring sets up, and set up in the inboard of stroke spring, connect the stroke baffle then with needle handle fixed connection, just connect the stroke baffle with stroke limiting rod sliding connection.

4. An oncology puncture sampler according to claim 3,

the connecting stroke baffle is provided with a sliding hole and a damping sponge, the sliding hole is formed in the center of the connecting stroke baffle and is in sliding connection with the stroke limiting rod, and the damping sponge is arranged on one side, close to the sleeve, of the connecting stroke baffle.

5. An oncology puncture sampler according to claim 1,

6. An oncology puncture sampler according to claim 5,