CN215914831U

CN215914831U - Puncture device for surgery

Info

Publication number: CN215914831U
Application number: CN202121943006.4U
Authority: CN
Inventors: 程财; 黄国新
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-01
Anticipated expiration: 2031-08-18

Abstract

The utility model provides a surgical puncture device which comprises a suction tube, a pull handle, a limiting baffle disc, a piston pad, a hand handle, a flow guide tube, a first puncture needle assembly, a second puncture needle assembly, a third puncture needle assembly, a storage bottle, a cut-off valve and a connecting tube, wherein one end of the pull handle penetrates through the suction tube and is embedded in the middle position of the right side of the interior of the piston pad, and the other end of the pull handle is in screwed connection with the middle position of the left side of the hand handle. The puncture needle rod, the puncture sampling tube and the support identification tube are sleeved together for puncture, after the puncture is completed, the puncture needle rod is pulled out, the muscle tissue is stably held by hands and is put into the biopsy knife groove under the self pressure, the puncture sampling tube is pulled out, the muscle tissue is cut off under the shearing force of the biopsy knife groove formed by the support identification tube and the puncture sampling tube, and then the sampling tissue is taken out for pathological examination.

Description

Puncture device for surgery

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to puncture equipment for hepatobiliary surgery.

Background

Liver puncture is a biopsy of liver tissue. Liver puncture is very traumatic, which makes many patients not easily accept the puncture, and liver biopsy is not used as routine examination in clinic. However, the accuracy rate of liver puncture biopsy is more than 80%, and the method is a better examination means at present.

Generally, patients with liver diseases can be diagnosed by medical history inquiry and physical examination, or necessary laboratory and imaging examination. However, some patients cannot be diagnosed clearly, and only by taking a pathological examination through liver biopsy, such as lymphoma, liver cancer, and tuberculosis, the diagnosis can be concluded. Some diseases are difficult to diagnose, and liver biopsy and clinical symptoms are combined to make diagnosis, such as autoimmune hepatitis, chronic hepatitis, primary biliary cirrhosis and the like.

In addition, the utility model discloses a hepatobiliary surgery puncture device with the Chinese patent publication number of CN209951361U, which comprises a main pipe, wherein a rotating pipe is movably arranged on the right side of the main pipe, a push pipe is inserted into the right side of the rotating pipe, and a top cap is fixedly arranged on the right side of the push pipe. This hepatobiliary surgery piercing apparatus through setting up the ejector sleeve, inserts the guide tube earlier downthehole that the patient needs the sample site to set up in advance when using, later will connect the collection pipe of accomplishing and insert inside the guide tube, then will be responsible for slowly embolias the outside of guide tube through the connector, can rotate the rotating tube clockwise this moment. However, the existing hepatobiliary surgery puncture also has the problem of single puncture sampling mode.

Therefore, it is necessary to provide a puncture device for hepatobiliary surgery.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a surgical puncture device which aims to solve the problem that the existing puncture sampling mode for hepatobiliary surgery is single. A surgical puncture device comprises a suction tube, a drawing handle, a limiting baffle disc, a piston pad, a hand pull handle, a flow guide tube, a first puncture needle assembly, a second puncture needle assembly, a third puncture needle assembly, a storage bottle, a cut-off valve and a connecting tube, wherein one end of the drawing handle penetrates through the suction tube and is embedded in the middle position of the right side of the interior of the piston pad, and the other end of the drawing handle is in screwed connection with the middle position of the left side of the hand pull handle; the limiting baffle disc is integrally arranged at the right end of the suction cylinder; the piston pad is longitudinally embedded in the suction cylinder; the guide pipe is embedded at the left side of the lower part of the suction cylinder and is communicated with the inside of the suction cylinder; the first puncture needle assembly is arranged at the left end of the suction cylinder; the second puncture needle assembly is sleeved on the outer surface of the first puncture needle assembly; the third puncture needle assembly is sleeved on the outer surface of the second puncture needle assembly; the storage bottle is in threaded connection with the lower part of the flow guide pipe; the intercepting valve is in threaded connection with the middle position of the right side of the flow guide pipe; the connecting pipe is embedded in the middle of the left end of the suction tube and is communicated with the inside of the suction tube.

Preferably, the first puncture needle assembly comprises a puncture needle rod and a connecting nut, and the puncture needle rod is welded on an inner ring of the connecting nut.

Preferably, the second puncture needle assembly comprises a puncture sampling tube, a biopsy knife groove, a connecting cap and a connecting barrel, wherein the puncture sampling tube is embedded in the middle position of the left side inside the connecting cap; the connecting cylinder is in threaded connection with the right side of the inside of the connecting cap; the biopsy knife slot is arranged at the left position of the front surface of the puncture sampling tube.

Preferably, the third puncture needle assembly comprises a limit stop, a thread strip, a cannula, a clamping convex ring, a supporting identification tube and a marking ring, wherein the thread strip is integrally arranged at the right side position of the outer surface of the limit stop; the insertion tube is embedded in the middle position of the right side of the limit stop; the clamping convex ring is sleeved at the right side position of the outer surface of the insertion pipe; the supporting identification tube is embedded in the middle position of the left side of the limit stop.

Preferably, the biopsy knife groove is an oval through hole.

Preferably, the puncture sampling tube is a conical stainless steel tube.

Preferably, the outer surface of the support identification tube is provided with a marking ring; the marking rings are uniformly arranged at intervals; the marking ring is arranged for a grinding layer.

Preferably, the puncture needle rod is inserted in the puncture sampling tube.

Preferably, the puncture sampling tube is inserted into the support identification tube.

Preferably, the diameter of the puncture needle rod is one millimeter to two millimeters smaller than the diameter of the puncture sampling tube.

Preferably, the diameter of the puncture sampling tube is one millimeter to two millimeters smaller than that of the support identification tube.

Preferably, the connecting cylinder is screwed on the outer surface of the connecting pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. the puncture needle rod, the puncture sampling tube and the support identification tube are sleeved together for puncture, after the puncture is completed, the puncture needle rod is drawn out, the muscle tissue is stably held by hands and is put into the biopsy knife groove under the self pressure, the puncture sampling tube is drawn out, the muscle tissue is cut off under the shearing force of the biopsy knife groove formed by the support identification tube and the puncture sampling tube, and then the sampled tissue is taken out for pathological examination;

2. when needs extraction tissue liquid, with connecting pipe and connecting cylinder looks threaded connection, hold hand pull handle and piston pad to the outside pulling, under the effect of atmospheric pressure, tissue liquid enters into the puncture sampling tube through biopsy sword groove in, opens the valve that dams, and then enters into in the storage bottle to accomplish the absorption of tissue liquid, increase service function.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the construction of the suction cylinder of the present invention.

FIG. 3 is a schematic structural view of a first lancet assembly of the present invention.

FIG. 4 is a schematic structural view of a second lancet assembly of the present invention.

FIG. 5 is a schematic structural view of a third lancet assembly of the present invention.

In the figure:

1. a suction cylinder; 2. pulling the handle; 3. a limiting baffle disc; 4. a piston pad; 5. a handle; 6. a flow guide pipe; 7. a first lancet assembly; 71. puncturing the needle rod; 72. a connecting nut; 8. a second lancet assembly; 81. puncturing the sampling tube; 82. a biopsy knife slot; 83. a connecting cap; 84. a connecting cylinder; 9. a third lancet assembly; 91. a limit stop block; 92. a threaded strip; 93. inserting a tube; 94. a convex clamping ring; 95. supporting the identification tube; 951. a marker ring; 10. storing the bottles; 11. a shutoff valve; 12. and (4) connecting the pipes.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 to 2, the utility model provides a surgical puncture device, which comprises a suction tube 1, a pull handle 2, a limit baffle disc 3, a piston pad 4, a hand pull handle 5, a flow guide tube 6, a first puncture needle assembly 7, a second puncture needle assembly 8, a third puncture needle assembly 9, a storage bottle 10, a stop valve 11 and a connecting tube 12, wherein one end of the pull handle 2 penetrates through the suction tube 1 and is embedded in the middle position of the right side of the interior of the piston pad 4, and the other end of the pull handle is in screwed connection with the middle position of the left side of the pull handle 5; the limiting baffle disc 3 is integrally arranged at the right end of the suction cylinder 1; the piston pad 4 is longitudinally embedded in the suction cylinder 1; the draft tube 6 is embedded at the left side of the lower part of the suction tube 1 and is communicated with the inside of the suction tube 1; the first puncture needle assembly 7 is arranged at the left end of the suction cylinder 1; the second puncture needle assembly 8 is sleeved on the outer surface of the first puncture needle assembly 7; the third puncture needle assembly 9 is sleeved on the outer surface of the second puncture needle assembly 8; the storage bottle 10 is connected to the lower part of the draft tube 6 in a threaded manner; the intercepting valve 11 is in threaded connection with the middle position of the right side of the draft tube 6; the connecting pipe 12 is embedded in the middle of the left end of the suction tube 1 and is communicated with the inside of the suction tube 1.

In the above embodiment, as shown in fig. 3, in particular, the first lancet assembly 7 includes a lancet rod 71 and a coupling nut 72, and the lancet rod 71 is welded to the inner ring of the coupling nut 72.

In the above embodiment, as shown in fig. 4, specifically, the second lancet assembly 8 includes a puncture sampling tube 81, a biopsy knife groove 82, a connecting cap 83 and a connecting barrel 84, the puncture sampling tube 81 is mounted at the inner left middle position of the connecting cap 83; the connecting barrel 84 is screwed at the inner right position of the connecting cap 83; the biopsy knife groove 82 is arranged at the left side of the front surface of the puncture sampling tube 81.

In the above embodiment, as shown in fig. 5, in particular, the third lancet assembly 9 comprises a limit stop 91, a thread strip 92, a cannula 93, a snap ring 94, a support identification tube 95 and a marking ring 951, wherein the thread strip 92 is integrally arranged at the right position of the outer surface of the limit stop 91; the insertion tube 93 is embedded in the middle position of the right side of the limit stop 91; the clamping convex ring 94 is sleeved at the right position of the outer surface of the insertion tube 93; the support recognition tube 95 is embedded in the middle of the left side of the limit stop 91.

In the above embodiment, the biopsy knife groove 82 is an oval through hole.

In the above embodiment, specifically, the piercing and sampling tube 81 is a tapered stainless steel tube.

In the above embodiment, specifically, the outer surface of the supporting identification tube 95 is provided with a marking ring 951; the marking rings 951 are arranged at uniform intervals; the marking ring 951 is arranged for a grinding layer.

In the above embodiment, in particular, the puncture needle rod 71 is inserted into the puncture sampling tube 81.

In the above embodiment, in particular, the piercing and sampling tube 81 is inserted into the supporting and identifying tube 95.

In the above embodiment, specifically, the diameter of the puncture needle shaft 71 is one mm to two mm smaller than the diameter of the puncture needle 81.

In the above embodiment, specifically, the diameter of the puncture sampling tube 81 is one mm to two mm smaller than the diameter of the support identification tube 95.

In the above embodiment, in particular, the connecting cylinder 84 is screwed on the outer surface of the connecting tube 12.

Principle of operation

When the puncture needle is used, the puncture needle rod 71, the puncture sampling tube 81 and the support identification tube 95 are sleeved together for puncture, after the puncture is in place, the puncture needle rod 71 is drawn out, muscle tissues are just put into the biopsy knife groove 82 under the self pressure, the support identification tube 95 is firmly held by hands, the puncture sampling tube 81 is drawn out, the muscle tissues are cut off under the shearing force of the biopsy knife groove 82 formed by the support identification tube 95 and the puncture sampling tube 81, and then the sampled tissues are taken out for pathological examination; when tissue liquid needs to be extracted, the connecting pipe 12 is in threaded connection with the connecting cylinder 84, the hand-pulling handle 5 is held to pull the pulling handle 2 and the piston pad 4 outwards, the tissue liquid enters the puncture sampling pipe 81 through the biopsy knife groove 82 under the action of air pressure, the cut-off valve 11 is opened, and then the tissue liquid enters the storage bottle 10, so that the tissue liquid is sucked, and the use function is increased.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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

1. The surgical puncture device is characterized by comprising a suction cylinder (1), a drawing handle (2), a limiting baffle disc (3), a piston pad (4), a hand pull handle (5), a flow guide pipe (6), a first puncture needle assembly (7), a second puncture needle assembly (8), a third puncture needle assembly (9), a storage bottle (10), a stop valve (11) and a connecting pipe (12), wherein one end of the drawing handle (2) penetrates through the suction cylinder (1) and is embedded in the middle position of the right side of the interior of the piston pad (4), and the other end of the drawing handle is in screwed connection with the middle position of the left side of the hand pull handle (5); the limiting baffle disc (3) is integrally arranged at the right end of the suction cylinder (1); the piston pad (4) is longitudinally embedded in the suction cylinder (1); the honeycomb duct (6) is embedded at the left side of the lower part of the suction cylinder (1) and is communicated with the inside of the suction cylinder (1); the first puncture needle assembly (7) is arranged at the left end of the suction cylinder (1); the second puncture needle assembly (8) is sleeved on the outer surface of the first puncture needle assembly (7); the third puncture needle component (9) is sleeved on the outer surface of the second puncture needle component (8); the storage bottle (10) is in threaded connection with the lower part of the draft tube (6); the intercepting valve (11) is in threaded connection with the middle position of the right side of the flow guide pipe (6); the connecting pipe (12) is embedded in the middle of the left end of the suction tube (1) and is communicated with the inside of the suction tube (1).

2. The surgical lancing device of claim 1, wherein the first lancet assembly (7) comprises a lancet shaft (71) and a coupling nut (72), the lancet shaft (71) being welded to the inner circumference of the coupling nut (72).

3. The surgical lancing apparatus of claim 1, wherein the second lancet assembly (8) comprises a lancet (81), a biopsy channel (82), a coupling cap (83) and a coupling barrel (84), the lancet (81) being mounted in the coupling cap (83) at an intermediate left internal position; the connecting barrel (84) is in threaded connection with the right position inside the connecting cap (83); the biopsy knife groove (82) is arranged at the left side of the front surface of the puncture sampling tube (81).

4. The surgical punch device according to claim 1, wherein the third needle assembly (9) comprises a limit stop (91), a thread strip (92), a cannula (93), a snap ring (94) and a support identification tube (95), a marking ring (951), wherein the thread strip (92) is integrally arranged at the right position of the outer surface of the limit stop (91); the insertion pipe (93) is embedded in the middle position of the right side of the limit stop block (91); the clamping convex ring (94) is sleeved at the right side position of the outer surface of the insertion pipe (93); the supporting identification tube (95) is embedded in the middle position of the left side of the limit stop (91).

5. A surgical puncturing device as claimed in claim 3, characterized in that the biopsy recess (82) is embodied as an oval through hole.

6. A surgical puncturing device as claimed in claim 3, wherein said puncturing probe (81) is embodied as a tapered stainless steel tube.

7. A surgical punch device according to claim 4 wherein the outer surface of the support and identification tube (95) is provided with a marker ring (951); the marking rings (951) are arranged at uniform intervals; the marking ring (951) is arranged for a grinding layer.

8. A surgical puncturing device as claimed in claim 2, wherein said puncturing needle shaft (71) is inserted in a puncturing probe tube (81).

9. A surgical puncturing device as claimed in claim 3, wherein said puncturing probe (81) is inserted in a support identification tube (95).

10. A surgical puncturing device as claimed in claim 3, wherein said connecting barrel (84) is threaded onto the outer surface of the connecting tube (12).