Scrap ice leading-in device for laparoscope

Abstract

The utility model relates to an ice crumb leading-in device for a laparoscope, belongs to the technical field of medical instruments, and solves the problems that an existing ice crumb leading-in device is difficult to control the length of a guide sheath body implanted into the body of a patient and keep the guide sheath body stable for a long time. The guide sheath comprises a guide sheath main body, a guide core and a fixed disc, the guide core can be inserted into the guide sheath main body, and ice chips filled in the guide sheath main body can be pushed out by pushing the guide core; the fixing disc can be clamped on the guide sheath body, can abut against the trocar end of the laparoscope or the skin of a patient, and is used for controlling the length of the portion, implanted into the body of the patient, of the guide sheath body and providing support for the guide sheath body, so that the guide sheath body is kept stable. The length of the guide sheath body implanted into the body of a patient is effectively controlled, the guide sheath body is supported, the guide sheath body is kept stable for a long time, damage to other parts or tissues caused by the guide sheath body implanted into the body of the patient is reduced, and safety in use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, and it is ice grit introduction device for laparoscope. BACKGROUND

[0002] In the field of urological renal surgery, such as complex partial nephrectomy and kidney transplantation surgery, ischemia-reperfusion injury is an important factor affecting kidney function. In order to reduce the impact of ischemia-reperfusion injury on kidney function, in addition to shortening the ischemic time of the kidney, the method of cooling the kidney is often used clinically, among which the most commonly used method is to accumulate ice grit around the kidney to achieve the purpose of cooling.

[0003] For open surgery, after sterile ice grit is prepared, the ice grit can be placed in the surgical area under direct vision, and the operation is relatively simple. With the progress of minimally invasive technology, more and more urological surgeries can be completed through laparoscopy / robot-assisted laparoscopy, which greatly reduces surgical trauma and shortens operation time. Compared with open surgery, ice grit can be placed into the surgical area through the trocar of laparoscopy / robot-assisted laparoscopy.

[0004] In the prior art, when the ice grit introduction device is implanted into the patient's body, the medical staff needs to hold the sheath main body with their hands to control the length of the sheath main body implanted into the patient's body and keep the sheath main body stable, which undoubtedly increases the operation requirements for the medical staff and improves the operation difficulty. Moreover, it is difficult to control the length of the sheath main body implanted into the patient's body and keep the sheath main body stable for a long time, which increases the risk of complications. UTILITY MODEL CONTENTS

[0005] In view of the above analysis, the utility model aims to provide an ice grit introduction device for laparoscope to solve the problem that the existing ice grit introduction device is difficult to control the length of the sheath main body implanted into the patient's body and keep the sheath main body stable for a long time.

[0006] The purpose of the utility model is mainly realized through the following technical solutions:

[0007] An ice grit introduction device for laparoscope, comprising a sheath main body, a guide core and a fixing disc, the sheath main body is used for filling ice grit and can be implanted into the patient's body; the guide core can be inserted into the sheath main body, and pushing the guide core can push the ice grit filled in the sheath main body out to the target position; the fixing disc can be clamped on the sheath main body and can abut against the trocar end of the laparoscope or the patient's skin, used for controlling the length of the sheath main body implanted into the patient's body and providing support for the sheath main body, so that the sheath main body remains stable.

[0008] Further, the fixing disc comprises a first half ring, a second half ring and a clamping mechanism, the first half ring and the second half ring are fixedly connected through the clamping mechanism and are clamped on the sheath main body.

[0009] Further, the clamping mechanism comprises a clamping block and a clamping groove, the clamping block is arranged on the first half ring, and the clamping groove is arranged on the second half ring; the clamping block is arranged opposite to the clamping groove and can be inserted into the clamping groove.

[0010] Further, the fixing disc is a ring structure with elasticity.

[0011] Further, the fixing disc comprises a fixing ring and a fixing sheet, the fixing sheet is arranged on the fixing ring, and the fixing sheet is used for fixing the fixing ring on the sheath main body.

[0012] Further, the fixing disc comprises a ring body, and the ring body is provided with a notch.

[0013] Further, the sheath main body comprises a limiting groove, and the limiting groove is used for clamping the fixing disc.

[0014] Further, a plurality of limiting grooves are arranged along the axis of the sheath main body.

[0015] Further, the sheath main body further comprises a first half shell, a second half shell and a plug-in mechanism, one side edge of the first half shell is hinged to one side edge of the second half shell, and the other side edge of the first half shell is fixedly connected to the other side edge of the second half shell through the plug-in mechanism.

[0016] Further, the plug-in mechanism comprises a plug-in strip and a plug-in groove, the plug-in strip is arranged on the first half shell, and the plug-in groove is arranged on the second half shell; the plug-in strip is arranged opposite to the plug-in groove and can be inserted into the plug-in groove.

[0017] The technical scheme of the utility model can realize at least one of the following effects:

[0018] (1)The utility model discloses a laparoscope ice chip leading -in device, including guide sheath main part, guide core and fixed disc, the guide sheath main part is used for filling ice chip, and can be implanted in patient's body, the guide core can be inserted into the guide sheath main part, and the ice chip filled in the guide sheath main part can be pushed out to the target position by pushing the guide core, the fixed disc can be engaged on the guide sheath main part, and can be in abutment with the trocar end of laparoscope or patient's skin, be used for controlling the length of the guide sheath main part implanting patient's body and provide support for the guide sheath main part, make the guide sheath main part keep stable, the utility model discloses through engaging fixed disc on the guide sheath main part, and make fixed disc with the trocar end of laparoscope or patient's skin abut to control the length of the guide sheath main part implanting patient's body, to reduce the damage of the guide sheath main part implanted in patient's body to other parts or tissue, and improve the support for the guide sheath main part simultaneously, make the guide sheath main part keep stable for a long time to improve the safety of the ice chip leading -in device when using, and also liberate the hands of medical staff, reduce the operation difficulty.

[0019] (2)The utility model discloses a plug -in mechanism includes plug -in strip and plug -in slot, the plug -in strip sets up on the first half shell, the plug -in slot sets up on the second half shell, the plug -in strip with plug -in slot opposite setting, and can insert into the plug -in slot, the plug -in strip along the axis of the first half shell extends, and its length is equal with the length of the first half shell, the plug -in slot along the axis of the second half shell extends, and its length is equal with the length of the second half shell, the cross section shape of the plug -in strip and the cross section of the plug -in slot are all matched, when the plug -in strip inserts into the plug -in slot, can make the junction of the first half shell and the second half shell seal, thereby prevent the ice chip filled in the guide sheath main part from leaking and causing damage to other parts or tissue, improve the safety of the ice chip leading -in device when using.

[0020] (3)The utility model discloses a guide sheath main part still includes limit groove, the limit groove sets up multiple, multiple limit groove is arranged along the axis of the guide sheath main part, usually the fixed disc is carded into different limit groove to support the guide sheath main part, improve the stability of the guide sheath main part implanting patient's body, also can adjust the length of the guide sheath main part implanting patient's body, to guarantee the stability of the guide sheath main part when using, and limit the length of the guide sheath main part implanting patient's body simultaneously, to reduce the damage of the guide sheath main part implanted in patient's body to other parts or tissue, thereby improve the safety of the ice chip leading -in device when using.

[0021] In the utility model, the above-mentioned technical solutions can be combined with each other to realize more preferred combination solutions. Other features and advantages of the utility model will be described in the subsequent specification, and some advantages can become apparent from the specification or be understood through the implementation of the utility model. The purpose and other advantages of the utility model can be realized and obtained through the content specifically pointed out in the specification and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and are used to explain the principles of the application, but not limit the scope of the application.

[0023] Figure 1 It is a structure schematic view of the ice shavings leading-in device of the embodiment 1 of the utility model.

[0024] Figure 2 It is a structure schematic view of the guide sheath main body of the embodiment 1 of the utility model.

[0025] Figure 3 It is a sectional view of the guide sheath main body of the embodiment 1 of the utility model.

[0026] Figure 4 It is a structure schematic view of the guide core of the embodiment 1 of the utility model. Figure 3

[0027] Figure 5 It is a structure schematic view of the fixed disc of the embodiment 1 of the utility model.

[0028] Figure 6 It is a sectional view of the fixed disc of the embodiment 1 of the utility model.

[0029] Figure 7 It is a structure schematic view of the fixed disc of the embodiment 3 of the utility model. Figure 6

[0030] Figure 8 It is a structure schematic view of the fixed disc of the embodiment 3 of the utility model.

[0031] Reference signs:

[0032] 1, guide sheath main body; 11, first half shell; 12, second half shell; 13, plug-in mechanism; 131, plug-in strip; 1311, first locking groove; 132, plug-in groove; 1321, first locking protrusion; 14, limiting groove; 2, guide core; 21, hand-held section; 22, connecting section; 23, push head; 3, fixed disc; 31, first half ring; 32, second half ring; 33, clamping mechanism; 331, clamping block; 3311, second locking groove; 332, clamping groove; 3321, second locking protrusion; 34, fixed ring; 35, fixed sheet. DETAILED DESCRIPTION

[0033] The preferred embodiments of the utility model are specifically described below in combination with the drawings, wherein the drawings constitute a part of the utility model and are used together with the embodiments of the utility model to explain the principles of the utility model, but not limit the scope of the utility model.

[0034] Embodiment 1

[0035] ​​In a specific embodiment of the present invention, a laparoscopic ice chip introduction device is disclosed, such as Figure 1 As shown, it includes a guide sheath body 1, a guide core 2 and a fixed disk 3. The guide sheath body 1 is used to fill ice chips and can be implanted into the patient's body through the laparoscope's trocar or the puncture channel of the trocar; the guide core 2 can be inserted into the guide sheath body 1, and pushing the guide core 2 can push the ice chips filled in the guide sheath body 1 to the target position to achieve the purpose of cooling; the fixed disk 3 can be engaged with the guide sheath body 1, and can abut against the end of the laparoscope's trocar or the patient's skin, and is used to control the length of the guide sheath body 1 implanted into the patient's body and provide support for the guide sheath body 1 to keep the guide sheath body 1 stable; when in use, ice chips are filled into the guide sheath body 1, and then the fixed disk 3 is engaged with the guide sheath body 1 according to the depth of the guide sheath body 1 implanted into the patient's body, and then the guide sheath body 1 is passed through the trocar of the laparoscope. The puncture channel of the needle or trocar is implanted in the patient's body, and the fixing disk 3 is brought into contact with the end of the trocar of the laparoscope or the patient's skin, and finally the guide core 2 is inserted into the guide sheath body 1, and the guide core 2 is pushed to push the ice chips loaded in the guide sheath body 1 to the target position to achieve the purpose of cooling; compared with the prior art, this embodiment controls the length of the guide sheath body 1 implanted in the patient's body by engaging the fixing disk 3 on the guide sheath body 1 and bringing the fixing disk 3 into contact with the end of the trocar of the laparoscope or the patient's skin, so as to reduce the damage caused by the guide sheath body 1 implanted in the patient's body to other parts or tissues, and at the same time improve the support for the guide sheath body 1, so that the guide sheath body 1 remains stable for a long time, thereby improving the safety of the ice chip introduction device when in use; at the same time, it also frees the hands of medical staff and reduces the difficulty of operation.

[0036] Preferably, if Figure 2 and Figure 3 As shown, the guide sheath body 1 includes a first half shell 11, a second half shell 12 and a plug-in mechanism 13. One side of the first half shell 11 is hinged to one side of the second half shell 12, and the other side of the first half shell 11 is fixedly connected to the other side of the second half shell 12 through the plug-in mechanism 13. When in use, the first half shell 11 and the second half shell 12 are unfolded, and ice chips are filled into the first half shell 11 and the second half shell 12 and then buckled. The first half shell 11 and the second half shell 12 are quickly fixedly connected through the plug-in mechanism 13, thereby improving the efficiency of filling ice chips into the guide sheath body 1. When cleaning and sterilizing, the guide sheath body 1 is unfolded, so that cleaning and sterilization are convenient.

[0037] Preferably, the first half shell 11 and the second half shell 12 are equal in length.

[0038] Preferably, the insertion mechanism 13 comprises an insertion strip 131 provided on the first half shell 11 and an insertion slot 132 provided on the second half shell 12, the insertion strip 131 is oppositely arranged with the insertion slot 132 and can be inserted into the insertion slot 132, when the insertion strip 131 is inserted into the insertion slot 132, the first half shell 11 and the second half shell 12 can be quickly fixedly connected, facilitating assembly and use.

[0039] Preferably, the insertion strip 131 extends along the axis of the first half shell 11 and has a length equal to that of the first half shell 11, the insertion slot 132 extends along the axis of the second half shell 12 and has a length equal to that of the second half shell 12, the cross-sectional shape and size of the insertion strip 131 are adapted to those of the insertion slot 132, when the insertion strip 131 is inserted into the insertion slot 132, the connection between the first half shell 11 and the second half shell 12 can also be sealed, thereby preventing the ice chips filled in the sheath main body 1 from leaking to cause damage to other parts or tissues, and improving the safety of the ice chip introduction device.

[0040] Preferably, as shown in Figure 4 the insertion strip 131 is provided with a first locking slot 1311, the insertion slot 132 is provided with a first locking protrusion 1321, the first locking protrusion 1321 is oppositely arranged with the first locking slot 1311, when the insertion strip 131 is inserted into the insertion slot 132, the first locking protrusion 1321 can be inserted into the first locking slot 1311, thereby locking the insertion strip 131 in the insertion slot 132, and quickly fixing and connecting the first half shell 11 and the second half shell 12, facilitating use.

[0041] Preferably, the first locking slot 1311 extends along the length direction of the insertion strip 131 and has a length equal to that of the insertion strip 131, the first locking protrusion 1321 extends along the length direction of the insertion slot 132 and has a length equal to that of the insertion slot 132, the cross-sectional shape and size of the first locking protrusion 1321 are adapted to those of the first locking slot 1311, when the first locking protrusion 1321 is inserted into the first locking slot 1311, the gap between the insertion strip 131 and the insertion slot 132 can also be sealed, thereby further sealing the connection between the first half shell 11 and the second half shell 12, further preventing the ice chips filled in the sheath main body 1 from leaking to cause damage to other parts or tissues, and further improving the safety of the ice chip introduction device.

[0042] Preferably, as shown in Figure 5As shown, the guide core 2 has a handheld section 21, a connecting section 22 and a pushing head 23, two ends of the connecting section 22 are connected with the handheld section 21 and the pushing head 23 respectively, the handheld section 21 is used for medical staff to hold during operation, which can improve the convenience of operation; the pushing head 23 can be inserted into the guide sheath body 1 and can move along the axis of the guide sheath body 1, so as to push the ice chips filled in the guide sheath body 1 from the other end of the guide sheath body 1 to the target position, so as to achieve the purpose of cooling.

[0043] Preferably, the guide sheath body 1 further comprises a limiting groove 14, which is an annular groove located on the outer wall of the guide sheath body 1.

[0044] Preferably, as Figure 6 As shown, the fixing disc 3 comprises a first half ring 31, a second half ring 32 and a clamping mechanism 33, the first half ring 31 and the second half ring 32 can be clamped into the limiting groove 14, and the first half ring 31 and the second half ring 32 can be fixedly connected through the clamping mechanism 33; during use, the first half ring 31 and the second half ring 32 are clamped into the limiting groove 14, and the first half ring 31 and the second half ring 32 are fixedly connected through the clamping mechanism 33, so that the first half ring 31 and the second half ring 32 form a complete ring body, so that the fixing disc 3 can be in contact with the end of the trocar of the laparoscope or the skin of the patient, thereby controlling the length of the guide sheath body 1 implanted into the patient's body, reducing the damage of the guide sheath body 1 implanted into the patient's body to other parts or tissues, and at the same time providing support for the guide sheath body 1, so that the guide sheath body 1 remains stable for a long time, thereby improving the safety of the ice chip guide device during use; at the same time, the hands of medical staff are freed, and the operation difficulty is reduced.

[0045] Preferably, the clamping mechanism 33 comprises a clamping block 331 and a clamping groove 332, the clamping block 331 is arranged on the first half ring 31, and the clamping groove 332 is arranged on the second half ring 32; the clamping block 331 and the clamping groove 332 are oppositely arranged and can be inserted into the clamping groove 332; when the clamping block 331 is inserted into the clamping groove 332, the first half ring 31 and the second half ring 32 can be quickly fixedly connected, so that the first half ring 31 and the second half ring 32 can be quickly clamped in the limiting groove 14, facilitating assembly and use.

[0046] Preferably, as Figure 7As shown, the clamping block 331 is provided with a second locking groove 3311; the clamping groove 332 is provided with a second locking protrusion 3321; the second locking protrusion 3321 is arranged opposite to the second locking groove 3311; when the clamping block 331 is inserted into the clamping groove 332, the second locking protrusion 3321 can be inserted into the second locking groove 3311, thereby locking the clamping block 331 in the clamping groove 332, so as to quickly fix and connect the first half ring 31 and the second half ring 32, and the use is convenient.

[0047] The limiting grooves 14 are arranged along the axis of the guide sheath body 1, and the fixing disc 3 is usually clamped into different limiting grooves 14 to adjust the length of the guide sheath body 1 implanted in the patient's body.

[0048] Embodiment 2

[0049] Embodiment 2 provides another structure of the fixing disc 3, which is a ring-shaped structure with elasticity, and the fixing disc 3 can be fixed on the guide sheath body 1 through the elastic force.

[0050] Embodiment 3

[0051] Embodiment 3 provides another structure of the fixing disc 3, as shown in the figure, Figure 8 As shown, the fixing disc 3 includes a fixing ring 34 and a fixing sheet 35, the fixing sheet 35 is arranged on the inner circle wall of the fixing ring 34, and the fixing ring 34 can be fixed on the guide sheath body 1 through the clamping force between the fixing sheet 35 and the outer wall of the guide sheath body 1, so as to fix the fixing disc 3 on the guide sheath body 1.

[0052] Embodiment 4

[0053] Embodiment 4 provides another structure of the fixing disc 3, which includes a ring body, the inner diameter of the ring body is smaller than the guide sheath body 1, and the ring body is provided with a notch, and the ring body can be sleeved on the guide sheath body 1 through the expansion of the notch, and can be fixedly connected with the guide sheath body 1.

[0054] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A laparoscopic ice chip introduction device, characterized in that: The invention comprises a guide sheath body (1), a guide core (2) and a fixed disk (3); the guide sheath body (1) is used for filling ice chips and can be implanted into a patient's body; the guide core (2) can be inserted into the guide sheath body (1); pushing the guide core (2) can push the ice chips filled in the guide sheath body (1) to a target position; the fixed disk (3) can be engaged with the guide sheath body (1) and can abut against the end of the trocar of a laparoscope or the patient's skin, and is used to control the length of the guide sheath body (1) implanted into the patient's body and provide support for the guide sheath body (1), so that the guide sheath body (1) remains stable.

2. The laparoscopic ice chip introduction device according to claim 1, characterized in that: The fixed disk (3) comprises a first half ring (31), a second half ring (32) and a clamping mechanism (33); the first half ring (31) and the second half ring (32) can be fixedly connected via the clamping mechanism (33) and can be clamped on the guide sheath body (1).

3. The laparoscopic ice chip introduction device according to claim 2, characterized in that: The clamping mechanism (33) comprises a clamping block (331) and a clamping groove (332); the clamping block (331) is arranged on the first half ring (31), and the clamping groove (332) is arranged on the second half ring (32); the clamping block (331) and the clamping groove (332) are arranged opposite to each other and can be inserted into the clamping groove (332).

4. The laparoscopic ice chip introduction device according to claim 1, characterized in that: The fixed disk (3) is an elastic annular structure.

5. The laparoscopic ice chip introduction device according to claim 1, characterized in that: The fixed disk (3) comprises a fixed ring (34) and a fixed sheet (35). The fixed sheet (35) is arranged on the fixed ring (34). The fixed sheet (35) is used to fix the fixed ring (34) on the guide sheath body (1).

6. The laparoscopic ice chip introduction device according to claim 1, characterized in that: The fixed disk (3) comprises a ring body, and a notch is provided on the ring body.

7. The laparoscopic ice chip introduction device according to any one of claims 1 to 6, characterized in that: The guide sheath body (1) comprises a limiting groove (14), and the limiting groove (14) is used for clamping the fixing disk (3).

8. The laparoscopic ice chip introduction device according to claim 7, characterized in that: A plurality of the limiting grooves (14) are provided, and the plurality of limiting grooves (14) are arranged along the axis of the guide sheath body (1).

9. The laparoscopic ice chip introduction device according to claim 8, characterized in that: The guide sheath body (1) further comprises a first half shell (11), a second half shell (12) and a plug-in mechanism (13), one side of the first half shell (11) is hinged to one side of the second half shell (12), and the other side of the first half shell (11) is fixedly connected to the other side of the second half shell (12) via the plug-in mechanism (13).

10. The laparoscopic ice chip introduction device according to claim 9, characterized in that: The plug-in mechanism (13) comprises a plug-in strip (131) and a plug-in slot (132); the plug-in strip (131) is arranged on the first half shell (11), and the plug-in slot (132) is arranged on the second half shell (12); the plug-in strip (131) and the plug-in slot (132) are arranged opposite to each other and can be inserted into the plug-in slot (132).

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