Telescopic multi-channel puncture outfit

Abstract

The utility model relates to the technical field of medical instruments, in particular to a telescopic multi-channel puncture outfit which comprises a sealing cover and an incision protection sleeve, the incision protection sleeve comprises a flexible channel, and the flexible channel comprises a main body section and a telescopic section which is arranged below the main body section and can be folded or unfolded. An upper clamping ring matched with the sealing cover is arranged on the inner circumferential wall of the upper end of the main body section, a lower clamping ring limited at a puncture part is arranged on the inner circumferential wall of the lower end of the main body section, and a convex lug used for being clamped by an instrument to drive the telescopic section to enter the puncture part and open the telescopic section is arranged on the inner circumferential wall of the lower end of the telescopic section; a limiting mechanism for limiting the telescopic section at a puncture part is arranged on the peripheral wall of the lower end of the telescopic section; according to the utility model, the telescopic section which is arranged below the main body section and can be folded or opened is utilized to realize the telescopic function of the flexible channel, so that the flexible channel can be simultaneously suitable for abdominal cavity and stomach operations, a puncture outfit does not need to be replaced to establish a stomach channel, the operation efficiency is improved, and the pain of a patient is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially relates to a telescopic multi-channel puncture ware. BACKGROUND

[0002] In recent years, minimally invasive surgical technique is more and more mature, usually need to use multi-channel puncture ware in the process. Multi-channel puncture ware has multiple instrument channels, can be used for multiple surgical instruments to enter, it usually includes the incision protection sleeve of the seal cover setting below the seal cover and being communicated with it, however, the multi-channel puncture ware in the prior art is generally used to establish abdominal cavity channel, so the incision protection sleeve is of fixed length, however, various sudden phenomena often appear in the surgical process, when the abdominal cavity operation is carried out at the same time, it is found that the stomach needs to take surgical measures, due to the fixed length of the incision protection sleeve, the stomach channel cannot be established, the puncture ware with longer specification needs to be replaced after the abdominal cavity operation is completed to continue the operation, the operation is complicated, the operation time is prolonged, and the patient's pain is increased. SUMMARY

[0003] The utility model solves the technical problem that: in order to solve the incision protection sleeve of multi-channel puncture ware in the prior art is of fixed length, it cannot satisfy that abdominal cavity operation and stomach operation are carried out at the same time, lead to the operation is complicated, the operation time is prolonged, and the patient's pain is increased, now provide a telescopic multi-channel puncture ware.

[0004] In order to solve the above technical problem, the utility model adopts the following technical scheme: a telescopic multi-channel puncture ware, including seal cover and the incision protection sleeve of seal cover communication:

[0005] The incision protection sleeve includes flexible channel, the flexible channel includes main body section and the telescopic section of being set below main body section and being foldable or open, the upper end inner peripheral wall of main body section is provided with the upper snap ring of cooperation with seal cover, the lower end inner peripheral wall is provided with the lower snap ring for its definition in puncture site, the lower end inner peripheral wall of telescopic section is provided with the lug for the instrument clamping to drive telescopic section to enter puncture site simultaneously and make telescopic section open, the outer peripheral wall of the lower end of telescopic section is provided with the limiting mechanism for its definition in puncture site.

[0006] Further, the locking mechanism is arranged between the seal cover and the incision protection sleeve for locking the seal cover and the incision protection sleeve.

[0007] Further, the locking mechanism includes an upper clamping ring arranged at the upper end of the incision protection sleeve, a lower clamping ring arranged at the lower end of the seal cover, and a movable buckle for locking the upper clamping ring and the lower clamping ring. The movable buckle includes a buckle body hingedly connected to either the upper clamping ring or the lower clamping ring. The buckle body has an upper clamping portion and a lower clamping portion, and a clamping groove is formed between the upper clamping portion and the lower clamping portion for clamping the upper snap ring and the lower snap ring.

[0008] Further, the upper clamping part corresponds to the upper clamping ring, the lower clamping part corresponds to the lower clamping ring, and the upper clamping part and / or the lower clamping part is provided with a clamping column, and the upper clamping ring and / or the lower clamping ring is provided with a clamping groove matched with the clamping column.

[0009] Further, a sealing ring is arranged between the upper clamping ring and the upper clamping ring, and a sealing pad is arranged between the lower clamping ring and the sealing cover.

[0010] Further, the movable buckle is provided with a plurality of movable buckles, and the plurality of movable buckles are distributed along the circumference of the flexible channel.

[0011] Further, the limiting mechanism comprises two balloons arranged along the axis direction of the telescopic segment and a valve body for inputting medium into the balloons to make the balloons swell.

[0012] Further, the telescopic segment is provided with a pull rope at the lower end, and the pull rope is pulled upward to make the telescopic segment fold, and the end of the pull rope away from the telescopic segment is provided with a pull ring.

[0013] Further, the main body segment is provided with a through ring for the pull rope to pass through.

[0014] Further, the pull rope has two symmetrical pull ropes, and the lug has two symmetrical lugs.

[0015] The utility model discloses the beneficial effects: the utility model discloses the telescopic segment of being arranged below the main body segment and being folded or opened realizes the telescoping of flexible channel, makes it applicable to the abdominal cavity and stomach operation simultaneously, and does not need to replace the puncture device to establish the stomach channel, improves the operation efficiency and reduces the pain of patient. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further illustrated below in connection with the drawings and examples.

[0017] Figure 1 It is the three-dimensional schematic view of the first perspective of the utility model;

[0018] Figure 2 It is the three-dimensional schematic view of the second perspective of the utility model;

[0019] Figure 3 It is the front view of the utility model;

[0020] Figure 4 It is Figure 3 the sectional view of A-A direction in;

[0021] Figure 5 It is Figure 4 the local enlarged view of B part in;

[0022] Figure 6 This is a schematic diagram of the movable buckle structure;

[0023] Figure 7 This is an exploded view of this utility model;

[0024] In the picture:

[0025] 1. Cutting edge protective sleeve; 101. Main body section; 102. Telescopic section; 103. Upper retaining ring; 104. Lower retaining ring; 105. Lug; 106. Pull cord; 107. Pull ring; 108. Threading ring;

[0026] 2. Sealing cover;

[0027] 3. Instrument access;

[0028] 4. Locking mechanism; 401. Upper clamping ring; 402. Lower clamping ring; 403. Movable buckle; 4031. Buckle body; 4032. Upper clamping part; 4033. Lower clamping part; 4034. Clamping groove; 4035. Snap-fit ​​post; 404. Sealing ring; 405. Sealing gasket; 406. Sealing ring; 407. Snap-fit ​​groove;

[0029] 5. Limiting mechanism; 501. Balloon; 502. Valve body. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention. Therefore, they only show the components relevant to the present invention. Orientations and references (e.g., up, down, left, right, etc.) are only used to aid in the description of the features in the drawings. Therefore, the following specific embodiments are not intended to be restrictive, and the scope of the claimed subject matter is defined solely by the appended claims and their equivalents.

[0031] like Figures 1-3 As shown, a telescopic multi-channel trocar includes a sealing cover 2 with a sealing cavity, an incision protection sleeve 1 disposed below the sealing cover 2 and communicating with the sealing cavity, and multiple instrument channels 3 disposed above the sealing cavity and communicating with the sealing cavity.

[0032] The incision protection sleeve 1 comprises a flexible channel in communication with the sealed cavity, which is a film made of flexible material such as plastic or silica gel, and the flexible channel comprises a main body segment 101 and a telescopic segment 102 arranged below the main body segment 101 and foldable or openable, an upper clamping ring 103 is arranged on the inner circumferential wall of the upper end of the main body segment 101 and cooperates with the sealing cover 2, a lower clamping ring 104 is arranged on the inner circumferential wall of the lower end of the main body segment 101 and is used to limit the main body segment 101 in the puncture site, the upper clamping ring 103 and the lower clamping ring 104 are both made of elastic material and can be elastically deformed, a lug 105 is arranged on the inner circumferential wall of the lower end of the telescopic segment 102 and is used to clamp the instrument to drive the telescopic segment 102 into the puncture site while opening the telescopic segment 102, and a limiting mechanism 5 is arranged on the outer circumferential wall of the lower end of the telescopic segment 102 and is used to limit the telescopic segment 102 in the puncture site.

[0033] In the initial state, the telescopic segment 102 is in a folded state, and the abdominal cavity surgery is performed, the lower clamping ring 104 of the main body segment 101 is deformed into an elongated shape and is sent into the abdominal incision, then the lower clamping ring 104 is released, and it is clamped on the inner side of the incision in a circular shape to fix the lower end of the flexible channel, then the surgical instrument enters the abdominal cavity through the instrument channel 3, the sealing cover 2 and the incision protection sleeve 1 in sequence to perform surgery; at this time, if the stomach also needs to be operated on, a pair of forceps or other surgical instruments that can clamp the lug 105 can be sent from the instrument channel 3, the forceps clamps the lug 105 to drive the lower end of the telescopic segment 102 into the stomach incision, and at the same time the telescopic segment 102 is elongated, then the limiting mechanism 5 is clamped on the inner side of the stomach incision to fix the lower end of the telescopic segment 102, at this time the surgical instrument can enter the stomach through the telescopic segment 102 to perform surgery, without the need to replace the puncture device to establish a stomach channel, thereby improving the surgical efficiency and reducing the pain of the patient.

[0034] In some examples, a locking mechanism 4 is arranged between the sealing cover 2 and the incision protection sleeve 1 to lock the two, and the sealing of the two can be achieved through the locking mechanism 4.

[0035] In some examples, as shown in Figure 4 and Figure 5 the locking mechanism 4 comprises an upper clamping ring 401 arranged on the upper end of the incision protection sleeve 1, a lower clamping ring 402 arranged on the lower end of the sealing cover 2 and a movable buckle 403 used to lock the two, the movable buckle 403 comprises a buckle body 4031 hinged with either the upper clamping ring 401 or the lower clamping ring 402, the buckle body 4031 has an upper clamping portion 4032 and a lower clamping portion 4033, and a clamping groove 4034 for clamping the upper clamping ring 103 and the lower clamping ring 104 is formed between the two; during installation, first align the upper clamping ring 401 on the incision protection sleeve 1 with the lower clamping ring 402 on the bottom of the sealing cover 2, then rotate the buckle body 4031, the upper clamping ring 401 and the lower clamping ring 402 enter the clamping groove 4034, thereby locking the incision protection sleeve 1 and the sealing cover 2.

[0036] In some examples, as shown in Figure 6 The upper clamping part 4032 corresponds to the upper clamping ring 401, the lower clamping part 4033 corresponds to the lower clamping ring 402, and the upper clamping part 4032 and / or the lower clamping part 4033 has a clamping column 4035 protruding therefrom, and the upper clamping ring 401 and / or the lower clamping ring 402 has a clamping groove 407 matching the clamping column 4035, which is an arc structure. During the rotation of the clamping body 4031, the clamping column 4035 gradually enters the clamping groove 407, so as to clamp the upper clamping ring 401 and the lower clamping ring 402.

[0037] In some examples, as shown in Figure 5 The upper clamping ring 401 includes an upper ring body, a first outward flange at the upper end thereof, and a second outward flange at the lower end thereof, and the lower clamping ring 402 includes a lower ring body, a third outward flange at the upper end thereof, and a fourth outward flange at the middle thereof. The upper ring body is located inside the upper clamping ring 103 and has a sealing ring 404 therebetween, and the lower ring body is located inside the upper ring body and has a sealing ring 406 therebetween. The third outward flange and the sealing cover 2 have a sealing gasket 405 therebetween, which includes two clamping half-rings, and the outer side of the sealing gasket 405 is higher than the inner side, so as to form a clamping groove between the third outward flange and the sealing gasket 405 for clamping the protruding part of the lower end of the sealing cover 2, thereby improving the clamping force. The first outward flange of the upper clamping ring 401 and the fourth outward flange of the lower clamping ring 402 are fixed by the movable clasp 403.

[0038] In some examples, the movable clasp 403 has a plurality of clamps, and the clamps are distributed along the circumference of the flexible channel.

[0039] In some examples, as shown in Figure 1 and Figure 2 The limiting mechanism 5 includes two balloons 501 arranged along the axis direction of the telescopic section 102 and a valve body 502 for inputting medium into the balloons 501 to make them swell. In the initial state, the balloons 501 are in a deflated state, which is beneficial for entering the incision. When the lower balloon 501 enters the incision, the balloon 501 is inflated by air or water through the valve body 502, and the two balloons 501 clamp the puncture wall therebetween, so as to fix the flexible channel.

[0040] In some examples, as shown in Figure 1 and Figure 2As shown, the lower end of the telescopic section 102 is provided with a pull rope 106 which is pulled to move upward to fold the telescopic section 102, and the end of the pull rope 106 away from the telescopic section 102 is provided with a pull ring 107, and the pull ring 107 is hooked to pull the pull rope 106 to drive the telescopic section 102 to move to the direction of the main body section 101 to fold the telescopic section 102.

[0041] In some examples, the main body section 101 is provided with a through ring 108 for the pull rope 106 to pass through, and the through ring 108 can define the pulling direction of the pull rope 106 to quickly fold the telescopic section 102.

[0042] In some examples, the pull rope 106 has two symmetrical pull ropes, and the lug 105 has two symmetrical lugs.

[0043] Working principle:

[0044] In the initial state, the telescopic section 102 is in a folded state, and in this state, the abdominal cavity surgery is performed, first, the lower clasp 104 of the main body section 101 is deformed into an elongated shape and is sent into the abdominal incision, then the lower clasp 104 is loosened, and the lower clasp 104 is clamped on the inside of the abdominal incision to fix the lower end of the flexible channel, then the surgical instrument enters the abdominal cavity through the instrument channel 3, the sealing cover 2 and the incision protection sleeve 1 in turn to perform surgery; at this time, if the stomach also needs to be operated on, a pair of forceps or other surgical instruments that can hold the lug 105 can be sent from the instrument channel 3, the forceps hold the lug 105 to drive the lower end of the telescopic section 102 into the stomach incision, and at the same time, the telescopic section 102 is opened, then the valve body 502 inflates or flushes the two balloon 501 in a collapsed state, so that the two balloon 501 are inflated and the stomach wall is clamped between the two balloon 501, thereby fixing the lower end of the telescopic section 102, at this time, the instrument can enter the stomach through the telescopic section 102 to perform surgery, without the need to replace the puncture device to establish a stomach channel, thereby improving the operation efficiency and reducing the pain of the patient; after the operation is completed, the balloon 501 is deflated or drained, the balloon 501 returns to the collapsed state, the pull ring 107 is hooked to pull the pull rope 106 to drive the telescopic section 102 to move to the direction of the main body section 101 to fold the telescopic section 102, and finally the entire incision protection sleeve 1 can be taken out.

[0045] Based on the above ideal embodiments according to the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A telescoping multi-channel puncture device, characterized by: The incision protection sleeve (1) comprises a flexible channel, the flexible channel comprises a main body section (101) and a telescopic section (102) arranged below the main body section (101) and foldable or openable, an upper clamping ring (103) is arranged on the inner circumferential wall of the upper end of the main body section (101) and matched with the sealing cover (2), a lower clamping ring (104) is arranged on the inner circumferential wall of the lower end of the main body section (101) and used for limiting the main body section (101) at the puncture site; a lug (105) is arranged on the inner circumferential wall of the lower end of the telescopic section (102) and used for clamping the instrument to drive the telescopic section (102) into the puncture site while making the telescopic section (102) open, and a limiting mechanism (5) is arranged on the outer circumferential wall of the lower end of the telescopic section (102) and used for limiting the telescopic section (102) at the puncture site. The locking mechanism (4) is arranged between the sealing cover (2) and the incision protection sleeve (1) and used for locking the two.

2. A telescoping multi-channel puncture device according to claim 1, wherein: The locking mechanism (4) comprises an upper clamping ring (401) arranged on the upper end of the incision protection sleeve (1), a lower clamping ring (402) arranged on the lower end of the sealing cover (2) and a movable buckle (403) used for locking the two, the movable buckle (403) comprises a buckle body (4031) hinged with any one of the upper clamping ring (401) or the lower clamping ring (402), the buckle body (4031) has an upper clamping part (4032) and a lower clamping part (4033), and a clamping groove (4034) for clamping the upper clamping ring (103) and the lower clamping ring (104) is formed between the two.

3. A telescoping multi-channel puncture device according to claim 2, wherein: The upper clamping part (4032) corresponds to the upper clamping ring (401), the lower clamping part (4033) corresponds to the lower clamping ring (402), and a clamping column (4035) is protruded on the upper clamping part (4032) and / or the lower clamping part (4033), and a clamping groove (407) matched with the clamping column (4035) is arranged on the upper clamping ring (401) and / or the lower clamping ring (402).

4. A telescoping multi-channel puncture device according to claim 3, wherein: A sealing ring (404) is arranged between the upper clamping ring (401) and the upper clamping ring (103), and a sealing gasket (405) is arranged between the lower clamping ring (402) and the sealing cover (2).

5. A telescoping multi-channel puncture device according to claim 3, wherein: The movable buckle (403) has a plurality of movable buckles (403), and the plurality of movable buckles (403) are distributed along the circumference of the flexible channel.

6. A telescoping multi-channel puncture device according to claim 3, wherein: The limiting mechanism (5) comprises two balloons (501) arranged along the axis direction of the telescopic section (102) and a valve body (502) used for inputting medium into the balloons (501) to make the balloons (501) swell.

7. The retracting multi-channel puncture device of claim 1, wherein: A pull rope (106) is arranged on the lower end of the telescopic section (102) and used for pulling the telescopic section (102) upward to make the telescopic section (102) fold, and a pull ring (107) is arranged on the end of the pull rope (106) away from the telescopic section (102).

8. The retracting multi-channel puncture device of claim 1, wherein: A pull ring (108) is arranged on the main body section (101) and used for the pull rope (106) to pass through.

9. A telescoping multi-channel puncture device according to claim 8, wherein: The pull rope (106) has two pull ropes (106) arranged symmetrically, and the lug (105) has two lugs (105) arranged symmetrically.

10. The retracting multi-channel puncture device of claim 8, wherein: ​

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