Accurate passage-guided lower needle knife operation assist device

Abstract

The utility model discloses an accurate passage-guided lower needle-knife operation assist device, and particularly relates to a needle-knife, which comprises an outer sheath piece which is of a hollow structure so as to form a passage, and an inlet communicated with the passage is formed in the end face of a butterfly-shaped handheld part arranged at the end of the outer sheath piece; the trocar piece penetrates through the inlet and extends into the channel, and the inclined face of the end of the trocar piece is flush with the inclined blade face of the other end of the outer sheath piece. The auxiliary device is simple in structure and convenient and fast to operate, the outer sheath piece and the trocar piece are adopted to form the auxiliary device, the operation requirement for repeated needle inserting of a needle knife is met, and the problem that normal benign tissue is damaged due to repeated needle inserting and withdrawing of the needle knife is avoided.

Description

Technical Field

[0001] The utility model relates to a small needle knife, in particular to a small needle knife operation assistor under precise path guidance Background Art

[0002] The small needle knife therapy is a closed release technique between surgical methods and non-surgical therapies. It is formed by combining the acupuncture method on the basis of the incisive surgical method. The operation characteristics of the small needle knife therapy are to penetrate deeply into the lesion at the treatment site for easy cutting and stripping of harmful tissues to achieve the purpose of relieving pain and curing diseases. Its indications are mainly soft tissue injury lesions and bone and joint lesions. The advantages of the small needle knife therapy are that the treatment process is simple, not restricted by any environment and conditions. During treatment, the incision is small, no suture is required, the damage to human tissues is small, and it is not easy to cause infection, without adverse reactions. The patient also has no obvious pain and fear. No rest is required after the operation, the treatment time is short, the course of treatment is short, and the patient is easy to accept

[0003] The following several problems will occur in clinical operations

[0004] 1. It is necessary to first insert the needle to open the channel, then withdraw the needle, use anesthetic, and then insert the needle again, which increases complexity and working time. The treatment efficiency and effect are reduced

[0005] 2. When using anesthetic after opening the channel and then inserting the needle, the previous lesion point will be lost because the anesthetic will change the tissue structure, making the operation complex and variable

[0006] 3. Since both sides of the small needle knife are sharpened, repeated entry and exit of the tissue cause damage to normal benign tissues, resulting in secondary harm to the patient Content of the Utility Model

[0007] The purpose of the utility model is to provide a small needle knife operation assistor under precise path guidance to solve the above problems

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions

[0009] A small needle knife operation assistor under precise path guidance, comprising

[0010] An outer sheath member, which is of a hollow structure to form a channel, and an entrance communicating with the channel is provided on the end face of the butterfly-shaped hand-held portion provided at the end

[0011] A sleeve needle member / small needle knife, either of which passes through the entrance and extends into the channel, and the inclined surface at the end is flush with the inclined cutting surface at the other end of the outer sheath member

[0012] Preferably, a rectangular handle is provided at the end of the cannula needle member, a rubber ring member is provided inside the inlet, an inlay portion is provided at the connection between the rectangular handle and the cannula needle member, and the inlay portion and the rubber ring member are in an inlay fit.

[0013] Preferably, the inner diameter of the cross-section of the port of the rubber ring member is chamfered.

[0014] Preferably, a first scale line segment of a predetermined length is provided on the outer wall of the outer sheath member.

[0015] Preferably, the cannula needle member is divided into a plugging head and a trunk according to its structure, the inclined surface is located on the cutting edge surface of the plugging head, and a boring hole is provided at one end where the plugging head is connected to the trunk, and the trunk is an arc-shaped thin sheet structure.

[0016] Preferably, a second scale line segment of a predetermined length is provided on the outer wall of the needle knife.

[0017] Preferably, a PTFE coating is provided on the outer surface of the trunk.

[0018] Preferably, a PTFE coating is provided on the outer surface of the outer sheath member.

[0019] In the above technical solution, a precise access-guided needle knife operation assistor provided by the present utility model has the following beneficial effects: The assistor is composed of an outer sheath member and a cannula needle member, forming an operation requirement that allows the needle knife to be inserted repeatedly, avoiding the problem of damage to normal benign tissues caused by repeated insertion and extraction from tissues. Secondly, the anesthetic needle can also be inserted through the channel to meet the need for anesthetic operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure provided by the embodiment of the present utility model;

[0022] Figure 2 It is an exploded structure schematic diagram provided by the embodiment of the present utility model;

[0023] Figure 3 It is a schematic diagram of the structure of the cannula needle member provided by the embodiment of the present utility model;

[0024] Figure 4 It is provided by the embodiment of the present utility model Figure 1 The cross-sectional structure schematic diagram of.

[0025] Description of reference numerals:

[0026] 1. Outer sheath; 11. Beveled blade surface; 2. Butterfly-shaped hand grip; 3. Needle sleeve; 31. Beveled surface; 32. Rectangular handle; 33. Rubber ring; 34. Inlay; 35. Blocking head; 36. Trunk; 4. First scale line segment; 6. Needle knife; 100. Channel; 200. Entrance. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] refer to Figures 1-4 As shown, a precise access-guided needle knife operation assistant comprises:

[0029] The outer sheath 1 is a hollow structure to form a channel 100, and the end surface of the butterfly-shaped handle 2 disposed at the end is provided with an inlet 200 communicating with the channel 100;

[0030] The needle member 3 or the needle knife 6 , either one, passes through the entrance 200 and extends into the channel 100 , and the inclined surface 31 at the end is flush with the inclined blade surface 11 at the other end of the outer sheath 1 .

[0031] Specifically, because the end of the trocar 3 is provided with a rectangular handle 32, a rubber ring 33 is provided in the entrance 200, and an inlay portion 34 is provided at the connection between the rectangular handle 32 and the trocar 3, and the inlay portion 34 and the rubber ring 33 are inlaid. And the inner diameter of the cross section of the port of the rubber ring 33 is chamfered. Under normal conditions, the trocar 3 is inserted into the outer sheath 1, and the inlay portion 34 is embedded in the rubber ring 33 to form an inlay fit. When in use, two fingers are hooked on the butterfly portions on both sides of the butterfly-shaped hand-held portion 2, and then the palm portion between the two fingers pushes the rectangular handle 32. After the puncture is completed, the trocar 3 is pulled out from the outer sheath 1, and then the needle knife 6 is inserted from the outer sheath 1 for operation.

[0032] In the above technology, the outer sheath 1 and the needle trocar 3 are used to form an auxiliary device, which can meet the needs of the needle knife to repeatedly insert the needle, avoiding the problem of normal benign tissue being damaged due to repeated entry and exit of the tissue. Secondly, the anesthesia needle can also be inserted through the channel 100 to perform the anesthesia operation.

[0033] As an embodiment further provided by the present invention, the outer wall of the outer sheath 1 is provided with a first scale line segment 4 of a predetermined length.

[0034] Specifically, it is to facilitate knowing the puncture depth during the puncture process of the outer sheath 1 to facilitate clinical operation requirements.

[0035] As another embodiment further provided by the present invention, the needle member 3 is divided into a blocking head 35 and a body 36 according to the structure, the inclined surface 31 is located on the blade surface of the blocking head 35, and a boring hole is opened at one end where the blocking head 35 and the body 36 are connected, and the body 36 is an arc-shaped thin sheet structure.

[0036] As another embodiment further provided by the present invention, the outer wall of the trunk portion 36 is provided with a second scale line segment 5 of a predetermined length.

[0037] Specifically, it is to facilitate knowing the puncture depth during the puncture process of the trocar 3 to facilitate clinical operation requirements.

[0038] As another embodiment further provided by the present invention, a PTFE coating is provided on the surfaces of the needle knife 6 and the outer sheath 1 .

[0039] Specifically, the PTFE coating can increase the channel 100, increase the scale and the development point, and make the surgical operation more precise.

[0040] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A precise needle-knife operation assistor under passage guidance, characterized in that include: The outer sheath (1) is a hollow structure to form a channel (100), and the end surface of the butterfly-shaped hand-held part (2) arranged at the end is provided with an inlet (200) communicating with the channel (100); The needle member (3) / needle knife (6), either of which passes through the entrance (200) and extends into the channel (100), and the inclined surface (31) at the end is flush with the inclined blade surface (11) at the other end of the outer sheath (1).

2. The precise needle-knife operation assistor under path guidance according to claim 1, characterized in that The end of the trocar piece (3) is provided with a rectangular handle (32), a rubber ring piece (33) is provided in the inlet (200), an inlay portion (34) is provided at the connection between the rectangular handle (32) and the trocar piece (3), and the inlay portion (34) and the rubber ring piece (33) are inlaid and matched.

3. The precise access-guided needle knife operation assistant according to claim 2, characterized in that: The inner diameter of the cross section of the port of the rubber ring (33) is chamfered.

4. The precise access-guided acupuncture knife operation assistant according to claim 1, characterized in that: The outer wall of the outer sheath (1) is provided with a first scale line segment (4) of a predetermined length.

5. The needle-knife operation assistor under precise path guidance according to claim 1, wherein The needle member (3) is divided into a blocking head (35) and a body (36) according to the structure. The inclined surface (31) is located on the blade surface of the blocking head (35). A boring hole is provided at one end where the blocking head (35) and the body (36) are connected. The body (36) is an arc-shaped thin sheet structure.

6. The precise needle-knife operation assistor under path guidance according to claim 1, characterized in that The outer wall of the needle knife (6) is provided with a second scale line segment (5) of a predetermined length.

7. The precise needle-knife operation assistor under path guidance according to claim 5, wherein, The outer surface of the trunk (36) is provided with a PTFE coating.

8. The precise needle-knife operation assistor under path guidance according to claim 1, characterized in that, The outer surface of the outer sheath (1) is provided with a PTFE coating.

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