CN217245851U - Pancreas perfusion device capable of automatically controlling pressure - Google Patents

Abstract

The utility model discloses a pancreas perfusion device that can automatic control pressure, including controller, the pump body, introduce the first connecting pipe of the part of filling and the intercommunication pump body and the part of filling of pancreas with the digestive juice, be provided with the manometer on the first connecting pipe, manometer and the pump body all with controller communication connection, and controller still communication connection has bee calling organ. The utility model provides a but pancreas filling device of automatic control pressure can fill pressure in real time through the monitor of pressure gauge in the process of filling to when pressure is improper, report to the police and remind, can the auxiliary user keep filling pressure and keep in suitable within range, effectively promote the filling effect.

Description

Pancreas perfusion device capable of automatically controlling pressure

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a pancreas perfusion device that can automatic control pressure is related to.

Background

The collagenase perfusion before pancreas digestion is a key link for islet separation and purification, and during perfusion, a collagenase solution is generally sent into pancreas from a main pancreatic duct manually, and the pressure and the speed of perfusion are determined by feeling. The blood flow velocity of the pancreas is slow, a tough capsule is lacked, the texture is soft, the pancreas can be damaged by perfusion when the perfusion pressure is too high or the perfusion amount is too large, so that the capillary is damaged, the pancreas tissue is edematous, part of the pancreas islet is seriously damaged and possibly broken into fragments, the effect of islet separation and purification is influenced, the perfusion pressure is too low, the perfusion is too slow, part of collagenase can perform enzymolysis in advance, and the final islet separation and purification effect can also be influenced. Therefore, how to make the perfusion device perfuse with proper pressure is an urgent problem to be solved in pancreas perfusion.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a but pancreas perfusion device of automatic control pressure can effective control perfusion pressure, promotes the digestion effect of pancreas.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a pancreas perfusion device that can automatic control pressure, includes controller, the pump body, introduces the first connecting pipe of the part of filling and the intercommunication pump body and the part of filling of pancreas with the digestive juice, be provided with the manometer on the first connecting pipe, manometer and pump body all with controller communication connection, and controller still communication connection has bee calling organ.

Still further, the pouring member includes a mounting head communicating with the first connection pipe, a single tube pouring head or a multi-needle pouring head connected to the mounting head.

Furthermore, one end of the first connecting pipe, which is far away from the peristaltic pump, is provided with a three-way valve, the three-way valve is further connected with a second connecting pipe and a third connecting pipe, the ends of the second connecting pipe and the third connecting pipe are respectively connected with an installation head, 2 of the installation heads, one installation head is connected with a single-pipe perfusion head, the other installation head is connected with a multi-needle perfusion head, and the second connecting pipe and the third connecting pipe are both provided with valves.

Furthermore, many needles fill head include the connector and can dismantle many syringe needles of being connected with the connector, be provided with out the liquid hole on the syringe needle, and all syringe needle platoon settings, the connector include the bracket and with bracket sealing connection's head, set up a plurality of mounting holes that are used for installing the syringe needle on the bracket, be provided with liquid channel on the head, and head and installation head intercommunication, liquid channel and syringe needle intercommunication.

Furthermore, the needle head comprises a needle body and an end head located at one end of the needle body, the diameter of the end head is larger than that of the needle head, the shape of the mounting hole is matched with that of the needle head, and the needle head is fixed in the mounting hole through the sealing head.

Furthermore, the end socket is in threaded connection with the bracket, an accommodating cavity for inserting the end part of the end socket is formed in the bracket, a sealing gasket positioned between the end socket and the needle head is laid at the bottom of the accommodating cavity, and a through hole connected with the needle head is formed in the sealing gasket.

The utility model has the advantages as follows:

the utility model provides a but pancreas filling device of automatic control pressure when filling the pancreas, the pressure that the first connecting pipe of pressure appearance ability real-time supervision conduction was come to with monitoring result feedback to controller, carry out the analysis by the controller, low or when too high at pressure, the buzzer can be controlled to the controller and sounded, thereby in time remind the user to adjust filling pressure, thereby effectively fill the pancreas, improve final islet separation purification effect.

Drawings

FIG. 1 is a schematic view of the connection of a first embodiment of the perfusion apparatus;

FIG. 2 is a schematic view of a multi-needle infusion head configuration;

FIG. 3 is a schematic view of the internal structure of the multi-needle infusion head;

FIG. 4 is a schematic view of a gasket construction;

FIG. 5 is a schematic view of the connection of a second embodiment of the perfusion apparatus;

reference numerals: 1-connector, 2-needle head, 3-liquid outlet hole, 4-bracket, 5-end socket, 6-liquid channel, 7-needle body, 8-mounting hole, 9-end head, 10-sealing gasket and 11-through hole.

Detailed Description

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed" and "in communication" are to be construed broadly, e.g., as meaning in fixed communication, in removable communication, or in integral communication; either mechanically or electrically; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

A pancreas perfusion device capable of automatically controlling pressure is disclosed, please refer to fig. 1, and comprises a controller, a pump body, a perfusion component for introducing digestive juice into pancreas, and a first connecting pipe for communicating the pump body and the perfusion component, wherein the first connecting pipe is provided with a pressure instrument, the pressure instrument and the pump body are both in communication connection with the controller, the controller is also in communication connection with a buzzer, the pump body can be a conventional pump such as a peristaltic pump, as long as the collagenase solution can be pushed to enter the first connecting pipe, the pressure instrument is used for monitoring the pressure in the first connecting pipe in real time and transmitting the pressure to the controller, the controller can be purchased directly, and parameters can be set, for example, a pressure range such as 90mmHg-150mmHg can be set through the controller, when the pressure transmitted to the controller by the pressure instrument is not in the range, the controller can control the buzzer to give an alarm, remind operating personnel to notice the adjustment and fill pressure to carry out effective control to the pressure of filling of pancreas, promote the effect of filling of pancreas.

When using, insert the pancreas with the part of will pouring into, the feed liquor end with the pump body with hold the container intercommunication of collagenase solution, start the peristaltic pump, can pour collagenase solution into the pancreas, and at the filling in-process, the pressure in the first connecting tube of manometer ability real-time supervision, thereby the convenient perfusion pressure to collagenase solution carries out the accuse, and in order to prevent unexpected the appearance, can set up the suitable scope value of pressure through the controller in advance according to the pancreas condition, when the pressure that the manometer detected surpasss this scope, the controller can control bee calling organ and send out the police dispatch newspaper and warn operating personnel to adjust as early as possible, thereby make the pressure of whole pancreas perfusion in-process obtain effective control.

At present, conventional filling member is all directly to perfuse in the mode of intubate to main pancreatic duct, and such filling mode receives the condition influence of pancreas, often appears the difficult problem of pancreas tail part perfusion easily, leads to the pancreas digestion uneven, and the islet extraction effect is extremely poor, in addition, meets the pancreas damage, when being difficult to carry out the problem of perfusing through being responsible for, traditional filling method also is hardly suitable for. In this regard, the present embodiment makes the pouring member include a mounting head communicating with the first connecting pipe, a single tube pouring head or a multi-needle pouring head connected to the mounting head.

Wherein, when the installation head only sets up one, can make installation head and single tube fill the head, the installation head fills the head with many needles and is detachable connection, for example adopt the screw thread to connect, the single tube fills the head and is used for filling easily or preserves intact pancreas, and many needles fill the head then and be used for filling the pancreas tail and fill difficulty or impaired pancreas, which head of filling specifically uses, then can select according to the condition of pancreas, make the filling device can with the demand adaptation of pancreas, further promote the filling effect.

Wherein, the single-tube perfusion head is consistent with the existing pancreas perfusion head structure, which is not repeated herein, and the structure of the multi-needle perfusion head is shown in fig. 2-4, which comprises a connector 1 and a plurality of needles 2 detachably connected with the connector 1, the needles 2 are hollow, and the needles 2 are provided with liquid outlet holes 3, and in addition, all the needles 2 are arranged in parallel, of course, the number of the needles 2 can be selected according to the actual use requirement, for example, 4, 5, etc., as long as all the needles 2 are arranged on the same straight line, the diameter of the needle 2 is preferably about 1mm, so as to effectively perfuse the pancreas, and in order to make the digestive enzyme perfusion more uniform, the liquid outlet holes 3 can be arranged in a plurality and uniformly arranged at the lower end of the needle 2, such arrangement way, the digestive enzyme can be perfused into the pancreas more uniformly after leaving the needles 2 from the liquid outlet holes 3, so that the pancreas can be digested uniformly. In addition, the needle head 2 can be made of stainless steel so as to be repeatedly used after being disinfected, and the perfusion cost is effectively reduced.

Connector 1 includes bracket 4 and with bracket 4 sealing connection's head 5, the connected mode between bracket 4 and the head 5 of course is detachable, for example threaded connection or joint to be convenient for wash or change syringe needle 2, set up a plurality of mounting holes 8 that are used for installing syringe needle 2 on the bracket 4, be provided with liquid channel 6 on the head 5, and head 5 and installation head intercommunication, liquid channel 6 and syringe needle 2 intercommunication, collagenase can get into in syringe needle 2 through liquid channel 6, gets into the pancreas through play liquid hole 3 on the syringe needle 2 in, pours into the pancreas, and bracket 4 and head 5 separation back, alright take off syringe needle 2 from bracket 4, it is all easier to the cleanness and the disinfection of syringe needle 2, bracket 4, head 5.

When using many needles to fill the head, cut the incision on the pancreas, then insert the incision with syringe needle 2, insert good back, start the pump body, deliver to syringe needle 2 with collagenase through the pump body to liquid hole 3 from syringe needle 2 fills to the pancreas in, thereby makes pancreas tail part also can obtain fully filling, thereby realizes the even digestion of pancreas, promotes the effect of drawing of islet.

Further, syringe needle 2 includes needle body 7 and is located the end 9 of needle body 7 one end, the diameter of end 9 is greater than the diameter of syringe needle 2, the shape of mounting hole 8 and the shape looks adaptation of syringe needle 2, head 5 fixes syringe needle 2 in mounting hole 8, and mounting hole 8 sets up to the step hole promptly, can block end 9, when the installation, blocks syringe needle 2 in mounting hole 8 to utilize head 5 to support syringe needle 2 and can accomplish the installation of syringe needle 2. Certainly, in order to avoid the condition of leakage, can be provided with the 5 tip male chamber that holds of confession head in the inside of bracket 4, can set up on head 5 and hold the sealed overlap joint portion of chamber top overlap joint to it seals to set up the sealing washer here, hold chamber bottom and lay the seal gasket 10 that is located between head 5 and syringe needle 2, set up the through-hole 11 of being connected with syringe needle 2 on the seal gasket 10, the diapire of head 5 compresses tightly seal gasket 10, utilizes seal gasket 10 to compress tightly syringe needle 2 and holds the chamber bottom, and seal gasket 10 is rigid certainly, but in order to increase seal gasket 10's sealed effect, can be at seal gasket 10 both sides crosslinked rubber pad to make seal gasket 10 both sides all can have the better sealed effect. In addition, sealing gaskets 10 with different numbers of through holes 11 can be manufactured to meet the use requirements of different numbers of needles 2.

And for convenience of use, two mounting heads can be arranged, so that frequent replacement is avoided. Specifically, as shown in fig. 5, a three-way valve is disposed at an end of the first connecting pipe, which is far from the peristaltic pump, the three-way valve is further connected to a second connecting pipe and a third connecting pipe, ends of the second connecting pipe and the third connecting pipe are respectively connected to an installation head, one installation head of the 2 installation heads is connected to a single-pipe perfusion head, the other installation head is connected to a multi-needle perfusion head, and the second connecting pipe and the third connecting pipe are both provided with valves.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a pancreas perfusion device that can automatic control pressure, its characterized in that includes controller, the pump body, introduces the first connecting pipe of the part of pouring into and the intercommunication pump body and the part of pouring into of pancreas with the digestive juice, be provided with the manometer on the first connecting pipe, manometer and the pump body all with controller communication connection, and controller still communication connection has bee calling organ.

2. The pancreas perfusion apparatus of claim 1, wherein the perfusion component comprises a mounting head in communication with the first connection tube, a single tube perfusion head or a multi-needle perfusion head connected to the mounting head.

3. The pancreas perfusion apparatus according to claim 2, wherein a three-way valve is disposed at an end of the first connection pipe away from the peristaltic pump, the three-way valve is further connected to a second connection pipe and a third connection pipe, the ends of the second connection pipe and the third connection pipe are respectively connected to a mounting head, 2 of the mounting heads are connected to a single-tube perfusion head, the other mounting head is connected to a multi-needle perfusion head, and valves are disposed on the second connection pipe and the third connection pipe.

4. The pancreas perfusion apparatus capable of automatically controlling pressure according to claim 3, wherein the multi-needle perfusion head comprises a connector (1) and a plurality of needles (2) detachably connected with the connector (1), the needles (2) are provided with liquid outlet holes (3), and all the needles (2) are arranged in parallel, the connector (1) comprises a bracket (4) and a sealing head (5) hermetically connected with the bracket (4), the bracket (4) is provided with a plurality of mounting holes (8) for mounting the needles (2), the sealing head (5) is provided with a liquid channel (6), the sealing head (5) is communicated with a mounting head, and the liquid channel (6) is communicated with the needles (2).

5. The pancreas perfusion apparatus capable of automatically controlling the pressure according to claim 4, wherein the needle (2) comprises a needle body (7) and a tip (9) at one end of the needle body (7), the diameter of the tip (9) is larger than that of the needle (2), the shape of the mounting hole (8) is matched with that of the needle (2), and the seal head (5) fixes the needle (2) in the mounting hole (8).

6. The pancreas perfusion apparatus capable of automatically controlling pressure according to claim 5, wherein the sealing head (5) is connected with the holder (4) by screw thread, a containing cavity for inserting the end of the sealing head (5) is arranged inside the holder (4), a sealing gasket (10) positioned between the sealing head (5) and the needle (2) is laid at the bottom of the containing cavity, and a through hole (11) connected with the needle (2) is opened on the sealing gasket (10).

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