Prostate puncture device

Abstract

The utility model discloses a prostate puncture device which comprises a fixed handle, the center of the fixed handle is connected with a puncture needle, the center of the fixed handle is provided with a through hole, an ejector pin is inserted in the through hole, the ejector pin is also inserted in the puncture needle, the surface of the puncture needle is sleeved with a sheathing canal, and a pull rope is connected between the sheathing canal and the puncture needle. The pull rope is connected with a sleeve, the pull rope is inserted into the sleeve in a penetrating mode, the pull rope comprises a first thread end and a second thread end, one end of the first thread end is connected with a first spring ring, one end of the second thread end is connected with a second spring ring, and the first spring ring and the second spring ring are both made of memory metal. The prostate anchoring device solves the problem that an existing prostate anchoring device is limited through a needle head, so that the prostate is prone to being damaged, the needle head is replaced with the spring ring, the contact area between the prostate anchoring device and prostate tissue is increased, and pressure of the prostate tissue is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to prostate puncture technical field, concretely is prostate puncture device. BACKGROUND

[0002] The existing treatment prostatic hyperplasia method generally has two, one is through the way of cutting part of tissue reduces the volume of prostate, another is through the way of suture contraction reduces the volume of prostate,

[0003] In patent CN220193086U, two needle heads and a sleeve are used to squeeze and contract the two sides of the prostate, and the needle head is small in size and easy to sink into the prostate tissue under stress, causing damage to the prostate tissue, and the end of the needle head is sharp, which is easy to cause puncture injury to the prostate when the prostate is contracted. UTILITY MODEL CONTENT

[0004] The utility model discloses a prostate puncture device, which replaces the past needle head with a first spring ring and a second spring ring, uses the spring ring to limit one side of the prostate tissue, increases the contact area with the prostate tissue and reduces the pressure on the prostate tissue.

[0005] The utility model provides following technical scheme: prostate puncture device, including fixed handle, the center of fixed handle is connected with puncture needle, the center of fixed handle is set with through -hole, its characterized in that: the through -hole inserts and connects with thimble, thimble also inserts and connects in puncture needle, the surface of puncture needle is set with sheath tube, be connected with drawstring between sheath tube and puncture needle, be connected with sleeve on drawstring, drawstring is inserted in sleeve, drawstring includes first thread end and second thread end, the first thread end is connected with first spring ring on one end, the second thread end is connected with second spring ring on one end, first spring ring and second spring ring are all made of memory metal.

[0006] In an embodiment, the first spring ring and the second spring ring are both conical bodies.

[0007] In another embodiment, the first spring ring and the second spring ring are both flat spiral shapes.

[0008] In order to facilitate the movement of the sheath tube, a sliding hole is formed in the fixed handle, an end of the sheath tube is fixed with a sleeve ring, a sliding block is formed on the sleeve ring, and the sliding block slides in the sliding hole.

[0009] In order to facilitate the installation of the sheath tube, a threaded hole is formed in the sleeve ring, a screw rod is formed on the lower end of the sliding block, and the screw rod is screwed with the threaded hole.

[0010] In order to limit the movement stroke of the thimble, one end of the thimble is located outside the fixed handle, a thread is formed on the end of the thimble, and a limiting sleeve is threadedly connected to the end of the thimble, and the diameter of the limiting sleeve is larger than the diameter of the through hole.

[0011] Compared with the prior art, the beneficial effects achieved by the utility model are that: the first spring ring and the second spring ring are used to replace the needle in the past, the spring ring is used to limit one side of the prostate tissue, the contact area with the prostate tissue is increased, and the pressure on the prostate tissue is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation to the utility model. In the drawings:

[0013] Figure 1 is a schematic diagram of the prostate puncture state of the utility model;

[0014] Figure 2 is a perspective view of the overall structure of the utility model;

[0015] Figure 3 is a cross-sectional view of the overall structure of the utility model in the extended state;

[0016] Figure 4 is a schematic diagram of the state before use of the overall structure of the utility model;

[0017] Figure 5 is a structural schematic diagram of the spring ring of another embodiment of the utility model;

[0018] In the drawings: 1, fixed handle; 11, sliding hole; 12, through hole; 2, thimble; 21, thread; 3, sheath tube; 31, collar; 32, sliding block; 4, puncture needle; 5, sleeve; 6, first spring ring; 7, second spring ring; 8, limiting sleeve; 9, pull rope; 91, first thread end; 92, second thread end. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0020] Please refer to Figures 1 to 4The utility model provides technical scheme: prostate puncture device, the centre of fixed handle 1 is equipped with screw hole, the screw hole is connected with puncture needle 4 in screw thread, puncture needle 4 is used for puncturing to prostate tissue, the centre of fixed handle 1 is equipped with through hole 12, the through hole 12 is inserted with thimble 2, thimble 2 is also inserted in puncture needle 4, thimble 2 is used for ejecting spring ring in puncture needle 4, and the one side of prostate is anchored to limit, the surface of puncture needle 4 is sleeved with sheath tube 3, and sheath tube 3 is connected with drawstring 9 between puncture needle 4, and drawstring 9 is connected with sleeve 5, and drawstring 9 is inserted in sleeve 5, and sheath tube 3 is used for pushing sleeve 5 from the surface of puncture needle 4, and sleeve 5 moves to the other side of prostate tissue, and drawstring 9 includes first thread end 91 and second thread end 92, and the one end of first thread end 91 is connected with first spring ring 6, and the one end of second thread end 92 is connected with second spring ring 7, and first spring ring 6 and second spring ring 7 are all made of memory metal,

[0021] Before use, sleeve 5 is sleeved on puncture needle 4, and first spring ring 6 and second spring ring 7 are in straightened state, and are extruded in puncture needle 4;

[0022] As Figure 1 Shown, when using, puncture needle 4 is first punctured to prostate tissue upper part, when puncture needle 4 is located at the outside of prostate tissue, push thimble 2, eject first spring ring 6 in puncture needle 4, after first spring ring 6 ejects, will automatically deform, and is formed into spring ring, then withdraws puncture needle 4, and is punctured to the lower part of prostate tissue again, when puncture needle 4 is located at the outside of prostate tissue, continue to push thimble 2 again, eject second spring ring 7 in puncture needle 4, withdraw puncture needle 4 again, when puncture needle 4 is located at the inside of prostate tissue, push sheath tube 4, eject sleeve 5, make sleeve 5 be located at the inside of prostate tissue, then through sleeve 5, contract the length of first thread end 91 and second thread end 92, make first spring ring 6, second spring ring 7 all adhere to the outside of prostate tissue, and sleeve 5 adheres to the inside of prostate tissue, realize the extrusion of prostate tissue, use spring ring to limit prostate tissue, increase the contact area with prostate tissue, reduce the damage to prostate.

[0023] First spring ring 6 and second spring ring 7 are all conical bodies, and the bottom area of conical body is large, and the top area is small, which increases the contact area with prostate tissue and reduces the damage to prostate.

[0024] The sliding hole 11 is formed in the fixed handle 1, the end of the sheath tube 3 is fixed with a sleeve ring 31, the sleeve ring 31 is formed with a sliding block 32, the sliding block 32 slides in the sliding hole 11, the sleeve ring 31 and the sheath tube 3 are moved by the movement of the sliding block 32, and the sleeve 5 is pushed out.

[0025] As Figure 4As shown, the sleeve ring 31 is provided with a threaded hole, and the lower end of the sliding block 32 is formed with a screw rod, the screw rod is screwed with the threaded hole, the sliding block 32 and the sleeve ring 31 are screwed, so that the sliding block 32 and the sleeve ring 31 are detachable, thus facilitating the installation of the sleeve ring 31 and the sheath 3.

[0026] The top needle 2 is located outside the fixed handle 1, the end of the top needle 2 is formed with a thread 21, the end of the top needle 2 is screwed with a limiting sleeve 8, the diameter of the limiting sleeve 8 is larger than the diameter of the through hole 12, the movement stroke of the top needle 2 is limited by the limiting sleeve 8, avoiding the spring ring being pushed out in advance due to misoperation.

[0027] Embodiment two

[0028] As Figure 5 As shown, in the embodiment, the first spring ring 6 and the second spring ring 7 are both flat spiral, the flat spiral first spring ring 6 and the second spring ring 7 further reduce the volume, increase the contact area with the prostate tissue, and reduce the pressure on the prostate tissue.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A prostatic puncture device, comprising a fixed handle, a puncture needle is connected in the center of the fixed handle, a through hole is arranged in the center of the fixed handle, characterized in that: The through hole is inserted with a thimble, the thimble is also inserted in a puncture needle, a sheath tube is sleeved on the surface of the puncture needle, a pull rope is connected between the sheath tube and the puncture needle, a sleeve is connected on the pull rope, the pull rope is inserted in the sleeve, the pull rope comprises a first thread end and a second thread end, a first spring ring is connected on one end of the first thread end, a second spring ring is connected on one end of the second thread end, and the first spring ring and the second spring ring are both made of memory metal.

2. The prostate puncture device of claim 1, wherein: The first spring ring and the second spring ring are both conical bodies.

3. The prostate puncture device of claim 1, wherein: The first spring ring and the second spring ring are both flat spiral shapes.

4. The prostate brachytherapy device of claim 1, wherein: A sliding hole is formed in the fixed handle, an eye is fixed on the end of the sheath tube, a sliding block is formed on the eye, and the sliding block slides in the sliding hole.

5. The prostate puncture device of claim 4, wherein: A threaded hole is formed in the eye, a screw rod is formed on the lower end of the sliding block, and the screw rod is screwed with the threaded hole.

6. The prostate brachytherapy device of claim 1, wherein: One end of the thimble is located outside the fixed handle, a thread is formed on the end of the thimble, a limiting sleeve is screwed on the end of the thimble, and the diameter of the limiting sleeve is larger than the diameter of the through hole.

Images